| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.power; |
| |
| import android.Manifest; |
| import android.annotation.IntDef; |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.hardware.SensorManager; |
| import android.hardware.SystemSensorManager; |
| import android.hardware.display.DisplayManagerInternal; |
| import android.hardware.display.DisplayManagerInternal.DisplayPowerRequest; |
| import android.net.Uri; |
| import android.os.BatteryManager; |
| import android.os.BatteryManagerInternal; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.IPowerManager; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.PowerManager; |
| import android.os.PowerManagerInternal; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.Trace; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.provider.Settings; |
| import android.provider.Settings.Secure; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.service.dreams.DreamManagerInternal; |
| import android.service.vr.IVrManager; |
| import android.service.vr.IVrStateCallbacks; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.util.SparseIntArray; |
| import android.util.TimeUtils; |
| import android.view.Display; |
| import android.view.WindowManagerPolicy; |
| |
| import com.android.internal.app.IAppOpsService; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.os.BackgroundThread; |
| import com.android.internal.util.ArrayUtils; |
| import com.android.server.EventLogTags; |
| import com.android.server.ServiceThread; |
| import com.android.server.SystemService; |
| import com.android.server.Watchdog; |
| import com.android.server.am.BatteryStatsService; |
| import com.android.server.lights.Light; |
| import com.android.server.lights.LightsManager; |
| import com.android.server.vr.VrManagerInternal; |
| import com.android.server.vr.VrManagerService; |
| import com.android.server.vr.VrStateListener; |
| import libcore.util.Objects; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import static android.os.PowerManagerInternal.POWER_HINT_INTERACTION; |
| import static android.os.PowerManagerInternal.WAKEFULNESS_ASLEEP; |
| import static android.os.PowerManagerInternal.WAKEFULNESS_AWAKE; |
| import static android.os.PowerManagerInternal.WAKEFULNESS_DOZING; |
| import static android.os.PowerManagerInternal.WAKEFULNESS_DREAMING; |
| |
| /** |
| * The power manager service is responsible for coordinating power management |
| * functions on the device. |
| */ |
| public final class PowerManagerService extends SystemService |
| implements Watchdog.Monitor { |
| private static final String TAG = "PowerManagerService"; |
| |
| private static final boolean DEBUG = false; |
| private static final boolean DEBUG_SPEW = DEBUG && true; |
| |
| // Message: Sent when a user activity timeout occurs to update the power state. |
| private static final int MSG_USER_ACTIVITY_TIMEOUT = 1; |
| // Message: Sent when the device enters or exits a dreaming or dozing state. |
| private static final int MSG_SANDMAN = 2; |
| // Message: Sent when the screen brightness boost expires. |
| private static final int MSG_SCREEN_BRIGHTNESS_BOOST_TIMEOUT = 3; |
| |
| // Dirty bit: mWakeLocks changed |
| private static final int DIRTY_WAKE_LOCKS = 1 << 0; |
| // Dirty bit: mWakefulness changed |
| private static final int DIRTY_WAKEFULNESS = 1 << 1; |
| // Dirty bit: user activity was poked or may have timed out |
| private static final int DIRTY_USER_ACTIVITY = 1 << 2; |
| // Dirty bit: actual display power state was updated asynchronously |
| private static final int DIRTY_ACTUAL_DISPLAY_POWER_STATE_UPDATED = 1 << 3; |
| // Dirty bit: mBootCompleted changed |
| private static final int DIRTY_BOOT_COMPLETED = 1 << 4; |
| // Dirty bit: settings changed |
| private static final int DIRTY_SETTINGS = 1 << 5; |
| // Dirty bit: mIsPowered changed |
| private static final int DIRTY_IS_POWERED = 1 << 6; |
| // Dirty bit: mStayOn changed |
| private static final int DIRTY_STAY_ON = 1 << 7; |
| // Dirty bit: battery state changed |
| private static final int DIRTY_BATTERY_STATE = 1 << 8; |
| // Dirty bit: proximity state changed |
| private static final int DIRTY_PROXIMITY_POSITIVE = 1 << 9; |
| // Dirty bit: dock state changed |
| private static final int DIRTY_DOCK_STATE = 1 << 10; |
| // Dirty bit: brightness boost changed |
| private static final int DIRTY_SCREEN_BRIGHTNESS_BOOST = 1 << 11; |
| |
| // Summarizes the state of all active wakelocks. |
| private static final int WAKE_LOCK_CPU = 1 << 0; |
| private static final int WAKE_LOCK_SCREEN_BRIGHT = 1 << 1; |
| private static final int WAKE_LOCK_SCREEN_DIM = 1 << 2; |
| private static final int WAKE_LOCK_BUTTON_BRIGHT = 1 << 3; |
| private static final int WAKE_LOCK_PROXIMITY_SCREEN_OFF = 1 << 4; |
| private static final int WAKE_LOCK_STAY_AWAKE = 1 << 5; // only set if already awake |
| private static final int WAKE_LOCK_DOZE = 1 << 6; |
| private static final int WAKE_LOCK_DRAW = 1 << 7; |
| |
| // Summarizes the user activity state. |
| private static final int USER_ACTIVITY_SCREEN_BRIGHT = 1 << 0; |
| private static final int USER_ACTIVITY_SCREEN_DIM = 1 << 1; |
| private static final int USER_ACTIVITY_SCREEN_DREAM = 1 << 2; |
| |
| // Default timeout in milliseconds. This is only used until the settings |
| // provider populates the actual default value (R.integer.def_screen_off_timeout). |
| private static final int DEFAULT_SCREEN_OFF_TIMEOUT = 15 * 1000; |
| private static final int DEFAULT_SLEEP_TIMEOUT = -1; |
| |
| // Screen brightness boost timeout. |
| // Hardcoded for now until we decide what the right policy should be. |
| // This should perhaps be a setting. |
| private static final int SCREEN_BRIGHTNESS_BOOST_TIMEOUT = 5 * 1000; |
| |
| // Power hints defined in hardware/libhardware/include/hardware/power.h. |
| private static final int POWER_HINT_LOW_POWER = 5; |
| private static final int POWER_HINT_VR_MODE = 7; |
| |
| // Power features defined in hardware/libhardware/include/hardware/power.h. |
| private static final int POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 1; |
| |
| // Default setting for double tap to wake. |
| private static final int DEFAULT_DOUBLE_TAP_TO_WAKE = 0; |
| |
| /** Constants for {@link #shutdownOrRebootInternal} */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({HALT_MODE_SHUTDOWN, HALT_MODE_REBOOT, HALT_MODE_REBOOT_SAFE_MODE}) |
| public @interface HaltMode {} |
| private static final int HALT_MODE_SHUTDOWN = 0; |
| private static final int HALT_MODE_REBOOT = 1; |
| private static final int HALT_MODE_REBOOT_SAFE_MODE = 2; |
| |
| private final Context mContext; |
| private final ServiceThread mHandlerThread; |
| private final PowerManagerHandler mHandler; |
| |
| private LightsManager mLightsManager; |
| private BatteryManagerInternal mBatteryManagerInternal; |
| private DisplayManagerInternal mDisplayManagerInternal; |
| private IBatteryStats mBatteryStats; |
| private IAppOpsService mAppOps; |
| private WindowManagerPolicy mPolicy; |
| private Notifier mNotifier; |
| private WirelessChargerDetector mWirelessChargerDetector; |
| private SettingsObserver mSettingsObserver; |
| private DreamManagerInternal mDreamManager; |
| private Light mAttentionLight; |
| |
| private final Object mLock = new Object(); |
| |
| // A bitfield that indicates what parts of the power state have |
| // changed and need to be recalculated. |
| private int mDirty; |
| |
| // Indicates whether the device is awake or asleep or somewhere in between. |
| // This is distinct from the screen power state, which is managed separately. |
| private int mWakefulness; |
| private boolean mWakefulnessChanging; |
| |
| // True if the sandman has just been summoned for the first time since entering the |
| // dreaming or dozing state. Indicates whether a new dream should begin. |
| private boolean mSandmanSummoned; |
| |
| // True if MSG_SANDMAN has been scheduled. |
| private boolean mSandmanScheduled; |
| |
| // Table of all suspend blockers. |
| // There should only be a few of these. |
| private final ArrayList<SuspendBlocker> mSuspendBlockers = new ArrayList<SuspendBlocker>(); |
| |
| // Table of all wake locks acquired by applications. |
| private final ArrayList<WakeLock> mWakeLocks = new ArrayList<WakeLock>(); |
| |
| // A bitfield that summarizes the state of all active wakelocks. |
| private int mWakeLockSummary; |
| |
| // If true, instructs the display controller to wait for the proximity sensor to |
| // go negative before turning the screen on. |
| private boolean mRequestWaitForNegativeProximity; |
| |
| // Timestamp of the last time the device was awoken or put to sleep. |
| private long mLastWakeTime; |
| private long mLastSleepTime; |
| |
| // Timestamp of the last call to user activity. |
| private long mLastUserActivityTime; |
| private long mLastUserActivityTimeNoChangeLights; |
| |
| // Timestamp of last interactive power hint. |
| private long mLastInteractivePowerHintTime; |
| |
| // Timestamp of the last screen brightness boost. |
| private long mLastScreenBrightnessBoostTime; |
| private boolean mScreenBrightnessBoostInProgress; |
| |
| // A bitfield that summarizes the effect of the user activity timer. |
| private int mUserActivitySummary; |
| |
| // The desired display power state. The actual state may lag behind the |
| // requested because it is updated asynchronously by the display power controller. |
| private final DisplayPowerRequest mDisplayPowerRequest = new DisplayPowerRequest(); |
| |
| // True if the display power state has been fully applied, which means the display |
| // is actually on or actually off or whatever was requested. |
| private boolean mDisplayReady; |
| |
| // The suspend blocker used to keep the CPU alive when an application has acquired |
| // a wake lock. |
| private final SuspendBlocker mWakeLockSuspendBlocker; |
| |
| // True if the wake lock suspend blocker has been acquired. |
| private boolean mHoldingWakeLockSuspendBlocker; |
| |
| // The suspend blocker used to keep the CPU alive when the display is on, the |
| // display is getting ready or there is user activity (in which case the display |
| // must be on). |
| private final SuspendBlocker mDisplaySuspendBlocker; |
| |
| // True if the display suspend blocker has been acquired. |
| private boolean mHoldingDisplaySuspendBlocker; |
| |
| // True if systemReady() has been called. |
| private boolean mSystemReady; |
| |
| // True if boot completed occurred. We keep the screen on until this happens. |
| private boolean mBootCompleted; |
| |
| // Runnables that should be triggered on boot completed |
| private Runnable[] mBootCompletedRunnables; |
| |
| // True if auto-suspend mode is enabled. |
| // Refer to autosuspend.h. |
| private boolean mHalAutoSuspendModeEnabled; |
| |
| // True if interactive mode is enabled. |
| // Refer to power.h. |
| private boolean mHalInteractiveModeEnabled; |
| |
| // True if the device is plugged into a power source. |
| private boolean mIsPowered; |
| |
| // The current plug type, such as BatteryManager.BATTERY_PLUGGED_WIRELESS. |
| private int mPlugType; |
| |
| // The current battery level percentage. |
| private int mBatteryLevel; |
| |
| // The battery level percentage at the time the dream started. |
| // This is used to terminate a dream and go to sleep if the battery is |
| // draining faster than it is charging and the user activity timeout has expired. |
| private int mBatteryLevelWhenDreamStarted; |
| |
| // The current dock state. |
| private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED; |
| |
| // True to decouple auto-suspend mode from the display state. |
| private boolean mDecoupleHalAutoSuspendModeFromDisplayConfig; |
| |
| // True to decouple interactive mode from the display state. |
| private boolean mDecoupleHalInteractiveModeFromDisplayConfig; |
| |
| // True if the device should wake up when plugged or unplugged. |
| private boolean mWakeUpWhenPluggedOrUnpluggedConfig; |
| |
| // True if the device should wake up when plugged or unplugged in theater mode. |
| private boolean mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig; |
| |
| // True if the device should suspend when the screen is off due to proximity. |
| private boolean mSuspendWhenScreenOffDueToProximityConfig; |
| |
| // True if dreams are supported on this device. |
| private boolean mDreamsSupportedConfig; |
| |
| // Default value for dreams enabled |
| private boolean mDreamsEnabledByDefaultConfig; |
| |
| // Default value for dreams activate-on-sleep |
| private boolean mDreamsActivatedOnSleepByDefaultConfig; |
| |
| // Default value for dreams activate-on-dock |
| private boolean mDreamsActivatedOnDockByDefaultConfig; |
| |
| // True if dreams can run while not plugged in. |
| private boolean mDreamsEnabledOnBatteryConfig; |
| |
| // Minimum battery level to allow dreaming when powered. |
| // Use -1 to disable this safety feature. |
| private int mDreamsBatteryLevelMinimumWhenPoweredConfig; |
| |
| // Minimum battery level to allow dreaming when not powered. |
| // Use -1 to disable this safety feature. |
| private int mDreamsBatteryLevelMinimumWhenNotPoweredConfig; |
| |
| // If the battery level drops by this percentage and the user activity timeout |
| // has expired, then assume the device is receiving insufficient current to charge |
| // effectively and terminate the dream. Use -1 to disable this safety feature. |
| private int mDreamsBatteryLevelDrainCutoffConfig; |
| |
| // True if dreams are enabled by the user. |
| private boolean mDreamsEnabledSetting; |
| |
| // True if dreams should be activated on sleep. |
| private boolean mDreamsActivateOnSleepSetting; |
| |
| // True if dreams should be activated on dock. |
| private boolean mDreamsActivateOnDockSetting; |
| |
| // True if doze should not be started until after the screen off transition. |
| private boolean mDozeAfterScreenOffConfig; |
| |
| // The minimum screen off timeout, in milliseconds. |
| private int mMinimumScreenOffTimeoutConfig; |
| |
| // The screen dim duration, in milliseconds. |
| // This is subtracted from the end of the screen off timeout so the |
| // minimum screen off timeout should be longer than this. |
| private int mMaximumScreenDimDurationConfig; |
| |
| // The maximum screen dim time expressed as a ratio relative to the screen |
| // off timeout. If the screen off timeout is very short then we want the |
| // dim timeout to also be quite short so that most of the time is spent on. |
| // Otherwise the user won't get much screen on time before dimming occurs. |
| private float mMaximumScreenDimRatioConfig; |
| |
| // Whether device supports double tap to wake. |
| private boolean mSupportsDoubleTapWakeConfig; |
| |
| // The screen off timeout setting value in milliseconds. |
| private int mScreenOffTimeoutSetting; |
| |
| // The sleep timeout setting value in milliseconds. |
| private int mSleepTimeoutSetting; |
| |
| // The maximum allowable screen off timeout according to the device |
| // administration policy. Overrides other settings. |
| private int mMaximumScreenOffTimeoutFromDeviceAdmin = Integer.MAX_VALUE; |
| |
| // The stay on while plugged in setting. |
| // A bitfield of battery conditions under which to make the screen stay on. |
| private int mStayOnWhilePluggedInSetting; |
| |
| // True if the device should stay on. |
| private boolean mStayOn; |
| |
| // True if the proximity sensor reads a positive result. |
| private boolean mProximityPositive; |
| |
| // Screen brightness setting limits. |
| private int mScreenBrightnessSettingMinimum; |
| private int mScreenBrightnessSettingMaximum; |
| private int mScreenBrightnessSettingDefault; |
| |
| // The screen brightness setting, from 0 to 255. |
| // Use -1 if no value has been set. |
| private int mScreenBrightnessSetting; |
| |
| // The screen auto-brightness adjustment setting, from -1 to 1. |
| // Use 0 if there is no adjustment. |
| private float mScreenAutoBrightnessAdjustmentSetting; |
| |
| // The screen brightness mode. |
| // One of the Settings.System.SCREEN_BRIGHTNESS_MODE_* constants. |
| private int mScreenBrightnessModeSetting; |
| |
| // The screen brightness setting override from the window manager |
| // to allow the current foreground activity to override the brightness. |
| // Use -1 to disable. |
| private int mScreenBrightnessOverrideFromWindowManager = -1; |
| |
| // The window manager has determined the user to be inactive via other means. |
| // Set this to false to disable. |
| private boolean mUserInactiveOverrideFromWindowManager; |
| |
| // The next possible user activity timeout after being explicitly told the user is inactive. |
| // Set to -1 when not told the user is inactive since the last period spent dozing or asleep. |
| private long mOverriddenTimeout = -1; |
| |
| // The user activity timeout override from the window manager |
| // to allow the current foreground activity to override the user activity timeout. |
| // Use -1 to disable. |
| private long mUserActivityTimeoutOverrideFromWindowManager = -1; |
| |
| // The screen brightness setting override from the settings application |
| // to temporarily adjust the brightness until next updated, |
| // Use -1 to disable. |
| private int mTemporaryScreenBrightnessSettingOverride = -1; |
| |
| // The screen brightness adjustment setting override from the settings |
| // application to temporarily adjust the auto-brightness adjustment factor |
| // until next updated, in the range -1..1. |
| // Use NaN to disable. |
| private float mTemporaryScreenAutoBrightnessAdjustmentSettingOverride = Float.NaN; |
| |
| // The screen state to use while dozing. |
| private int mDozeScreenStateOverrideFromDreamManager = Display.STATE_UNKNOWN; |
| |
| // The screen brightness to use while dozing. |
| private int mDozeScreenBrightnessOverrideFromDreamManager = PowerManager.BRIGHTNESS_DEFAULT; |
| |
| // Time when we last logged a warning about calling userActivity() without permission. |
| private long mLastWarningAboutUserActivityPermission = Long.MIN_VALUE; |
| |
| // If true, the device is in low power mode. |
| private boolean mLowPowerModeEnabled; |
| |
| // Current state of the low power mode setting. |
| private boolean mLowPowerModeSetting; |
| |
| // Current state of whether the settings are allowing auto low power mode. |
| private boolean mAutoLowPowerModeConfigured; |
| |
| // The user turned off low power mode below the trigger level |
| private boolean mAutoLowPowerModeSnoozing; |
| |
| // True if the battery level is currently considered low. |
| private boolean mBatteryLevelLow; |
| |
| // True if we are currently in device idle mode. |
| private boolean mDeviceIdleMode; |
| |
| // True if we are currently in light device idle mode. |
| private boolean mLightDeviceIdleMode; |
| |
| // Set of app ids that we will always respect the wake locks for. |
| int[] mDeviceIdleWhitelist = new int[0]; |
| |
| // Set of app ids that are temporarily allowed to acquire wakelocks due to high-pri message |
| int[] mDeviceIdleTempWhitelist = new int[0]; |
| |
| private final SparseIntArray mUidState = new SparseIntArray(); |
| |
| // True if theater mode is enabled |
| private boolean mTheaterModeEnabled; |
| |
| // True if double tap to wake is enabled |
| private boolean mDoubleTapWakeEnabled; |
| |
| private final ArrayList<PowerManagerInternal.LowPowerModeListener> mLowPowerModeListeners |
| = new ArrayList<PowerManagerInternal.LowPowerModeListener>(); |
| |
| // True if brightness should be affected by twilight. |
| private boolean mBrightnessUseTwilight; |
| |
| private native void nativeInit(); |
| |
| private static native void nativeAcquireSuspendBlocker(String name); |
| private static native void nativeReleaseSuspendBlocker(String name); |
| private static native void nativeSetInteractive(boolean enable); |
| private static native void nativeSetAutoSuspend(boolean enable); |
| private static native void nativeSendPowerHint(int hintId, int data); |
| private static native void nativeSetFeature(int featureId, int data); |
| |
| public PowerManagerService(Context context) { |
| super(context); |
| mContext = context; |
| mHandlerThread = new ServiceThread(TAG, |
| Process.THREAD_PRIORITY_DISPLAY, false /*allowIo*/); |
| mHandlerThread.start(); |
| mHandler = new PowerManagerHandler(mHandlerThread.getLooper()); |
| |
| synchronized (mLock) { |
| mWakeLockSuspendBlocker = createSuspendBlockerLocked("PowerManagerService.WakeLocks"); |
| mDisplaySuspendBlocker = createSuspendBlockerLocked("PowerManagerService.Display"); |
| mDisplaySuspendBlocker.acquire(); |
| mHoldingDisplaySuspendBlocker = true; |
| mHalAutoSuspendModeEnabled = false; |
| mHalInteractiveModeEnabled = true; |
| |
| mWakefulness = WAKEFULNESS_AWAKE; |
| |
| nativeInit(); |
| nativeSetAutoSuspend(false); |
| nativeSetInteractive(true); |
| nativeSetFeature(POWER_FEATURE_DOUBLE_TAP_TO_WAKE, 0); |
| } |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.POWER_SERVICE, new BinderService()); |
| publishLocalService(PowerManagerInternal.class, new LocalService()); |
| |
| Watchdog.getInstance().addMonitor(this); |
| Watchdog.getInstance().addThread(mHandler); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| synchronized (mLock) { |
| if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { |
| incrementBootCount(); |
| |
| } else if (phase == PHASE_BOOT_COMPLETED) { |
| final long now = SystemClock.uptimeMillis(); |
| mBootCompleted = true; |
| mDirty |= DIRTY_BOOT_COMPLETED; |
| userActivityNoUpdateLocked( |
| now, PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, Process.SYSTEM_UID); |
| updatePowerStateLocked(); |
| |
| if (!ArrayUtils.isEmpty(mBootCompletedRunnables)) { |
| Slog.d(TAG, "Posting " + mBootCompletedRunnables.length + " delayed runnables"); |
| for (Runnable r : mBootCompletedRunnables) { |
| BackgroundThread.getHandler().post(r); |
| } |
| } |
| mBootCompletedRunnables = null; |
| } |
| } |
| } |
| |
| public void systemReady(IAppOpsService appOps) { |
| synchronized (mLock) { |
| mSystemReady = true; |
| mAppOps = appOps; |
| mDreamManager = getLocalService(DreamManagerInternal.class); |
| mDisplayManagerInternal = getLocalService(DisplayManagerInternal.class); |
| mPolicy = getLocalService(WindowManagerPolicy.class); |
| mBatteryManagerInternal = getLocalService(BatteryManagerInternal.class); |
| |
| PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| mScreenBrightnessSettingMinimum = pm.getMinimumScreenBrightnessSetting(); |
| mScreenBrightnessSettingMaximum = pm.getMaximumScreenBrightnessSetting(); |
| mScreenBrightnessSettingDefault = pm.getDefaultScreenBrightnessSetting(); |
| |
| SensorManager sensorManager = new SystemSensorManager(mContext, mHandler.getLooper()); |
| |
| // The notifier runs on the system server's main looper so as not to interfere |
| // with the animations and other critical functions of the power manager. |
| mBatteryStats = BatteryStatsService.getService(); |
| mNotifier = new Notifier(Looper.getMainLooper(), mContext, mBatteryStats, |
| mAppOps, createSuspendBlockerLocked("PowerManagerService.Broadcasts"), |
| mPolicy); |
| |
| mWirelessChargerDetector = new WirelessChargerDetector(sensorManager, |
| createSuspendBlockerLocked("PowerManagerService.WirelessChargerDetector"), |
| mHandler); |
| mSettingsObserver = new SettingsObserver(mHandler); |
| |
| mLightsManager = getLocalService(LightsManager.class); |
| mAttentionLight = mLightsManager.getLight(LightsManager.LIGHT_ID_ATTENTION); |
| |
| // Initialize display power management. |
| mDisplayManagerInternal.initPowerManagement( |
| mDisplayPowerCallbacks, mHandler, sensorManager); |
| |
| // Register for settings changes. |
| final ContentResolver resolver = mContext.getContentResolver(); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.SCREENSAVER_ENABLED), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.SCREEN_OFF_TIMEOUT), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.SLEEP_TIMEOUT), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.SCREEN_BRIGHTNESS_MODE), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.System.getUriFor( |
| Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.LOW_POWER_MODE), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.THEATER_MODE_ON), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.DOUBLE_TAP_TO_WAKE), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Secure.BRIGHTNESS_USE_TWILIGHT), |
| false, mSettingsObserver, UserHandle.USER_ALL); |
| IVrManager vrManager = |
| (IVrManager) getBinderService(VrManagerService.VR_MANAGER_BINDER_SERVICE); |
| try { |
| vrManager.registerListener(mVrStateCallbacks); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed to register VR mode state listener: " + e); |
| } |
| // Go. |
| readConfigurationLocked(); |
| updateSettingsLocked(); |
| mDirty |= DIRTY_BATTERY_STATE; |
| updatePowerStateLocked(); |
| } |
| |
| // Register for broadcasts from other components of the system. |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| mContext.registerReceiver(new BatteryReceiver(), filter, null, mHandler); |
| |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_DREAMING_STARTED); |
| filter.addAction(Intent.ACTION_DREAMING_STOPPED); |
| mContext.registerReceiver(new DreamReceiver(), filter, null, mHandler); |
| |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| mContext.registerReceiver(new UserSwitchedReceiver(), filter, null, mHandler); |
| |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_DOCK_EVENT); |
| mContext.registerReceiver(new DockReceiver(), filter, null, mHandler); |
| } |
| |
| private void readConfigurationLocked() { |
| final Resources resources = mContext.getResources(); |
| |
| mDecoupleHalAutoSuspendModeFromDisplayConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_powerDecoupleAutoSuspendModeFromDisplay); |
| mDecoupleHalInteractiveModeFromDisplayConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_powerDecoupleInteractiveModeFromDisplay); |
| mWakeUpWhenPluggedOrUnpluggedConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_unplugTurnsOnScreen); |
| mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_allowTheaterModeWakeFromUnplug); |
| mSuspendWhenScreenOffDueToProximityConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_suspendWhenScreenOffDueToProximity); |
| mDreamsSupportedConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_dreamsSupported); |
| mDreamsEnabledByDefaultConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_dreamsEnabledByDefault); |
| mDreamsActivatedOnSleepByDefaultConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_dreamsActivatedOnSleepByDefault); |
| mDreamsActivatedOnDockByDefaultConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_dreamsActivatedOnDockByDefault); |
| mDreamsEnabledOnBatteryConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_dreamsEnabledOnBattery); |
| mDreamsBatteryLevelMinimumWhenPoweredConfig = resources.getInteger( |
| com.android.internal.R.integer.config_dreamsBatteryLevelMinimumWhenPowered); |
| mDreamsBatteryLevelMinimumWhenNotPoweredConfig = resources.getInteger( |
| com.android.internal.R.integer.config_dreamsBatteryLevelMinimumWhenNotPowered); |
| mDreamsBatteryLevelDrainCutoffConfig = resources.getInteger( |
| com.android.internal.R.integer.config_dreamsBatteryLevelDrainCutoff); |
| mDozeAfterScreenOffConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_dozeAfterScreenOff); |
| mMinimumScreenOffTimeoutConfig = resources.getInteger( |
| com.android.internal.R.integer.config_minimumScreenOffTimeout); |
| mMaximumScreenDimDurationConfig = resources.getInteger( |
| com.android.internal.R.integer.config_maximumScreenDimDuration); |
| mMaximumScreenDimRatioConfig = resources.getFraction( |
| com.android.internal.R.fraction.config_maximumScreenDimRatio, 1, 1); |
| mSupportsDoubleTapWakeConfig = resources.getBoolean( |
| com.android.internal.R.bool.config_supportDoubleTapWake); |
| } |
| |
| private void updateSettingsLocked() { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| |
| mDreamsEnabledSetting = (Settings.Secure.getIntForUser(resolver, |
| Settings.Secure.SCREENSAVER_ENABLED, |
| mDreamsEnabledByDefaultConfig ? 1 : 0, |
| UserHandle.USER_CURRENT) != 0); |
| mDreamsActivateOnSleepSetting = (Settings.Secure.getIntForUser(resolver, |
| Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP, |
| mDreamsActivatedOnSleepByDefaultConfig ? 1 : 0, |
| UserHandle.USER_CURRENT) != 0); |
| mDreamsActivateOnDockSetting = (Settings.Secure.getIntForUser(resolver, |
| Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK, |
| mDreamsActivatedOnDockByDefaultConfig ? 1 : 0, |
| UserHandle.USER_CURRENT) != 0); |
| mScreenOffTimeoutSetting = Settings.System.getIntForUser(resolver, |
| Settings.System.SCREEN_OFF_TIMEOUT, DEFAULT_SCREEN_OFF_TIMEOUT, |
| UserHandle.USER_CURRENT); |
| mSleepTimeoutSetting = Settings.Secure.getIntForUser(resolver, |
| Settings.Secure.SLEEP_TIMEOUT, DEFAULT_SLEEP_TIMEOUT, |
| UserHandle.USER_CURRENT); |
| mStayOnWhilePluggedInSetting = Settings.Global.getInt(resolver, |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN, BatteryManager.BATTERY_PLUGGED_AC); |
| mTheaterModeEnabled = Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.THEATER_MODE_ON, 0) == 1; |
| |
| if (mSupportsDoubleTapWakeConfig) { |
| boolean doubleTapWakeEnabled = Settings.Secure.getIntForUser(resolver, |
| Settings.Secure.DOUBLE_TAP_TO_WAKE, DEFAULT_DOUBLE_TAP_TO_WAKE, |
| UserHandle.USER_CURRENT) != 0; |
| if (doubleTapWakeEnabled != mDoubleTapWakeEnabled) { |
| mDoubleTapWakeEnabled = doubleTapWakeEnabled; |
| nativeSetFeature(POWER_FEATURE_DOUBLE_TAP_TO_WAKE, mDoubleTapWakeEnabled ? 1 : 0); |
| } |
| } |
| |
| final int oldScreenBrightnessSetting = mScreenBrightnessSetting; |
| mScreenBrightnessSetting = Settings.System.getIntForUser(resolver, |
| Settings.System.SCREEN_BRIGHTNESS, mScreenBrightnessSettingDefault, |
| UserHandle.USER_CURRENT); |
| if (oldScreenBrightnessSetting != mScreenBrightnessSetting) { |
| mTemporaryScreenBrightnessSettingOverride = -1; |
| } |
| |
| final float oldScreenAutoBrightnessAdjustmentSetting = |
| mScreenAutoBrightnessAdjustmentSetting; |
| mScreenAutoBrightnessAdjustmentSetting = Settings.System.getFloatForUser(resolver, |
| Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ, 0.0f, |
| UserHandle.USER_CURRENT); |
| if (oldScreenAutoBrightnessAdjustmentSetting != mScreenAutoBrightnessAdjustmentSetting) { |
| mTemporaryScreenAutoBrightnessAdjustmentSettingOverride = Float.NaN; |
| } |
| |
| mScreenBrightnessModeSetting = Settings.System.getIntForUser(resolver, |
| Settings.System.SCREEN_BRIGHTNESS_MODE, |
| Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL, UserHandle.USER_CURRENT); |
| |
| mBrightnessUseTwilight = Settings.Secure.getIntForUser(resolver, |
| Secure.BRIGHTNESS_USE_TWILIGHT, 0, UserHandle.USER_CURRENT) != 0; |
| |
| final boolean lowPowerModeEnabled = Settings.Global.getInt(resolver, |
| Settings.Global.LOW_POWER_MODE, 0) != 0; |
| final boolean autoLowPowerModeConfigured = Settings.Global.getInt(resolver, |
| Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0) != 0; |
| if (lowPowerModeEnabled != mLowPowerModeSetting |
| || autoLowPowerModeConfigured != mAutoLowPowerModeConfigured) { |
| mLowPowerModeSetting = lowPowerModeEnabled; |
| mAutoLowPowerModeConfigured = autoLowPowerModeConfigured; |
| updateLowPowerModeLocked(); |
| } |
| |
| mDirty |= DIRTY_SETTINGS; |
| } |
| |
| private void postAfterBootCompleted(Runnable r) { |
| if (mBootCompleted) { |
| BackgroundThread.getHandler().post(r); |
| } else { |
| Slog.d(TAG, "Delaying runnable until system is booted"); |
| mBootCompletedRunnables = ArrayUtils.appendElement(Runnable.class, |
| mBootCompletedRunnables, r); |
| } |
| } |
| |
| private void updateLowPowerModeLocked() { |
| if (mIsPowered && mLowPowerModeSetting) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateLowPowerModeLocked: powered, turning setting off"); |
| } |
| // Turn setting off if powered |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.LOW_POWER_MODE, 0); |
| mLowPowerModeSetting = false; |
| } |
| final boolean autoLowPowerModeEnabled = !mIsPowered && mAutoLowPowerModeConfigured |
| && !mAutoLowPowerModeSnoozing && mBatteryLevelLow; |
| final boolean lowPowerModeEnabled = mLowPowerModeSetting || autoLowPowerModeEnabled; |
| |
| if (mLowPowerModeEnabled != lowPowerModeEnabled) { |
| mLowPowerModeEnabled = lowPowerModeEnabled; |
| powerHintInternal(POWER_HINT_LOW_POWER, lowPowerModeEnabled ? 1 : 0); |
| postAfterBootCompleted(new Runnable() { |
| @Override |
| public void run() { |
| Intent intent = new Intent(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING) |
| .putExtra(PowerManager.EXTRA_POWER_SAVE_MODE, mLowPowerModeEnabled) |
| .addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| mContext.sendBroadcast(intent); |
| ArrayList<PowerManagerInternal.LowPowerModeListener> listeners; |
| synchronized (mLock) { |
| listeners = new ArrayList<PowerManagerInternal.LowPowerModeListener>( |
| mLowPowerModeListeners); |
| } |
| for (int i=0; i<listeners.size(); i++) { |
| listeners.get(i).onLowPowerModeChanged(lowPowerModeEnabled); |
| } |
| intent = new Intent(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| mContext.sendBroadcast(intent); |
| // Send internal version that requires signature permission. |
| mContext.sendBroadcastAsUser(new Intent( |
| PowerManager.ACTION_POWER_SAVE_MODE_CHANGED_INTERNAL), UserHandle.ALL, |
| Manifest.permission.DEVICE_POWER); |
| } |
| }); |
| } |
| } |
| |
| private void handleSettingsChangedLocked() { |
| updateSettingsLocked(); |
| updatePowerStateLocked(); |
| } |
| |
| private void acquireWakeLockInternal(IBinder lock, int flags, String tag, String packageName, |
| WorkSource ws, String historyTag, int uid, int pid) { |
| synchronized (mLock) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "acquireWakeLockInternal: lock=" + Objects.hashCode(lock) |
| + ", flags=0x" + Integer.toHexString(flags) |
| + ", tag=\"" + tag + "\", ws=" + ws + ", uid=" + uid + ", pid=" + pid); |
| } |
| |
| WakeLock wakeLock; |
| int index = findWakeLockIndexLocked(lock); |
| boolean notifyAcquire; |
| if (index >= 0) { |
| wakeLock = mWakeLocks.get(index); |
| if (!wakeLock.hasSameProperties(flags, tag, ws, uid, pid)) { |
| // Update existing wake lock. This shouldn't happen but is harmless. |
| notifyWakeLockChangingLocked(wakeLock, flags, tag, packageName, |
| uid, pid, ws, historyTag); |
| wakeLock.updateProperties(flags, tag, packageName, ws, historyTag, uid, pid); |
| } |
| notifyAcquire = false; |
| } else { |
| wakeLock = new WakeLock(lock, flags, tag, packageName, ws, historyTag, uid, pid); |
| try { |
| lock.linkToDeath(wakeLock, 0); |
| } catch (RemoteException ex) { |
| throw new IllegalArgumentException("Wake lock is already dead."); |
| } |
| mWakeLocks.add(wakeLock); |
| setWakeLockDisabledStateLocked(wakeLock); |
| notifyAcquire = true; |
| } |
| |
| applyWakeLockFlagsOnAcquireLocked(wakeLock, uid); |
| mDirty |= DIRTY_WAKE_LOCKS; |
| updatePowerStateLocked(); |
| if (notifyAcquire) { |
| // This needs to be done last so we are sure we have acquired the |
| // kernel wake lock. Otherwise we have a race where the system may |
| // go to sleep between the time we start the accounting in battery |
| // stats and when we actually get around to telling the kernel to |
| // stay awake. |
| notifyWakeLockAcquiredLocked(wakeLock); |
| } |
| } |
| } |
| |
| @SuppressWarnings("deprecation") |
| private static boolean isScreenLock(final WakeLock wakeLock) { |
| switch (wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) { |
| case PowerManager.FULL_WAKE_LOCK: |
| case PowerManager.SCREEN_BRIGHT_WAKE_LOCK: |
| case PowerManager.SCREEN_DIM_WAKE_LOCK: |
| return true; |
| } |
| return false; |
| } |
| |
| private void applyWakeLockFlagsOnAcquireLocked(WakeLock wakeLock, int uid) { |
| if ((wakeLock.mFlags & PowerManager.ACQUIRE_CAUSES_WAKEUP) != 0 |
| && isScreenLock(wakeLock)) { |
| String opPackageName; |
| int opUid; |
| if (wakeLock.mWorkSource != null && wakeLock.mWorkSource.getName(0) != null) { |
| opPackageName = wakeLock.mWorkSource.getName(0); |
| opUid = wakeLock.mWorkSource.get(0); |
| } else { |
| opPackageName = wakeLock.mPackageName; |
| opUid = wakeLock.mWorkSource != null ? wakeLock.mWorkSource.get(0) |
| : wakeLock.mOwnerUid; |
| } |
| wakeUpNoUpdateLocked(SystemClock.uptimeMillis(), wakeLock.mTag, opUid, |
| opPackageName, opUid); |
| } |
| } |
| |
| private void releaseWakeLockInternal(IBinder lock, int flags) { |
| synchronized (mLock) { |
| int index = findWakeLockIndexLocked(lock); |
| if (index < 0) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "releaseWakeLockInternal: lock=" + Objects.hashCode(lock) |
| + " [not found], flags=0x" + Integer.toHexString(flags)); |
| } |
| return; |
| } |
| |
| WakeLock wakeLock = mWakeLocks.get(index); |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "releaseWakeLockInternal: lock=" + Objects.hashCode(lock) |
| + " [" + wakeLock.mTag + "], flags=0x" + Integer.toHexString(flags)); |
| } |
| |
| if ((flags & PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY) != 0) { |
| mRequestWaitForNegativeProximity = true; |
| } |
| |
| wakeLock.mLock.unlinkToDeath(wakeLock, 0); |
| removeWakeLockLocked(wakeLock, index); |
| } |
| } |
| |
| private void handleWakeLockDeath(WakeLock wakeLock) { |
| synchronized (mLock) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "handleWakeLockDeath: lock=" + Objects.hashCode(wakeLock.mLock) |
| + " [" + wakeLock.mTag + "]"); |
| } |
| |
| int index = mWakeLocks.indexOf(wakeLock); |
| if (index < 0) { |
| return; |
| } |
| |
| removeWakeLockLocked(wakeLock, index); |
| } |
| } |
| |
| private void removeWakeLockLocked(WakeLock wakeLock, int index) { |
| mWakeLocks.remove(index); |
| notifyWakeLockReleasedLocked(wakeLock); |
| |
| applyWakeLockFlagsOnReleaseLocked(wakeLock); |
| mDirty |= DIRTY_WAKE_LOCKS; |
| updatePowerStateLocked(); |
| } |
| |
| private void applyWakeLockFlagsOnReleaseLocked(WakeLock wakeLock) { |
| if ((wakeLock.mFlags & PowerManager.ON_AFTER_RELEASE) != 0 |
| && isScreenLock(wakeLock)) { |
| userActivityNoUpdateLocked(SystemClock.uptimeMillis(), |
| PowerManager.USER_ACTIVITY_EVENT_OTHER, |
| PowerManager.USER_ACTIVITY_FLAG_NO_CHANGE_LIGHTS, |
| wakeLock.mOwnerUid); |
| } |
| } |
| |
| private void updateWakeLockWorkSourceInternal(IBinder lock, WorkSource ws, String historyTag, |
| int callingUid) { |
| synchronized (mLock) { |
| int index = findWakeLockIndexLocked(lock); |
| if (index < 0) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateWakeLockWorkSourceInternal: lock=" + Objects.hashCode(lock) |
| + " [not found], ws=" + ws); |
| } |
| throw new IllegalArgumentException("Wake lock not active: " + lock |
| + " from uid " + callingUid); |
| } |
| |
| WakeLock wakeLock = mWakeLocks.get(index); |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateWakeLockWorkSourceInternal: lock=" + Objects.hashCode(lock) |
| + " [" + wakeLock.mTag + "], ws=" + ws); |
| } |
| |
| if (!wakeLock.hasSameWorkSource(ws)) { |
| notifyWakeLockChangingLocked(wakeLock, wakeLock.mFlags, wakeLock.mTag, |
| wakeLock.mPackageName, wakeLock.mOwnerUid, wakeLock.mOwnerPid, |
| ws, historyTag); |
| wakeLock.mHistoryTag = historyTag; |
| wakeLock.updateWorkSource(ws); |
| } |
| } |
| } |
| |
| private int findWakeLockIndexLocked(IBinder lock) { |
| final int count = mWakeLocks.size(); |
| for (int i = 0; i < count; i++) { |
| if (mWakeLocks.get(i).mLock == lock) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| private void notifyWakeLockAcquiredLocked(WakeLock wakeLock) { |
| if (mSystemReady && !wakeLock.mDisabled) { |
| wakeLock.mNotifiedAcquired = true; |
| mNotifier.onWakeLockAcquired(wakeLock.mFlags, wakeLock.mTag, wakeLock.mPackageName, |
| wakeLock.mOwnerUid, wakeLock.mOwnerPid, wakeLock.mWorkSource, |
| wakeLock.mHistoryTag); |
| } |
| } |
| |
| private void notifyWakeLockChangingLocked(WakeLock wakeLock, int flags, String tag, |
| String packageName, int uid, int pid, WorkSource ws, String historyTag) { |
| if (mSystemReady && wakeLock.mNotifiedAcquired) { |
| mNotifier.onWakeLockChanging(wakeLock.mFlags, wakeLock.mTag, wakeLock.mPackageName, |
| wakeLock.mOwnerUid, wakeLock.mOwnerPid, wakeLock.mWorkSource, |
| wakeLock.mHistoryTag, flags, tag, packageName, uid, pid, ws, historyTag); |
| } |
| } |
| |
| private void notifyWakeLockReleasedLocked(WakeLock wakeLock) { |
| if (mSystemReady && wakeLock.mNotifiedAcquired) { |
| wakeLock.mNotifiedAcquired = false; |
| mNotifier.onWakeLockReleased(wakeLock.mFlags, wakeLock.mTag, |
| wakeLock.mPackageName, wakeLock.mOwnerUid, wakeLock.mOwnerPid, |
| wakeLock.mWorkSource, wakeLock.mHistoryTag); |
| } |
| } |
| |
| @SuppressWarnings("deprecation") |
| private boolean isWakeLockLevelSupportedInternal(int level) { |
| synchronized (mLock) { |
| switch (level) { |
| case PowerManager.PARTIAL_WAKE_LOCK: |
| case PowerManager.SCREEN_DIM_WAKE_LOCK: |
| case PowerManager.SCREEN_BRIGHT_WAKE_LOCK: |
| case PowerManager.FULL_WAKE_LOCK: |
| case PowerManager.DOZE_WAKE_LOCK: |
| case PowerManager.DRAW_WAKE_LOCK: |
| return true; |
| |
| case PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK: |
| return mSystemReady && mDisplayManagerInternal.isProximitySensorAvailable(); |
| |
| default: |
| return false; |
| } |
| } |
| } |
| |
| // Called from native code. |
| private void userActivityFromNative(long eventTime, int event, int flags) { |
| userActivityInternal(eventTime, event, flags, Process.SYSTEM_UID); |
| } |
| |
| private void userActivityInternal(long eventTime, int event, int flags, int uid) { |
| synchronized (mLock) { |
| if (userActivityNoUpdateLocked(eventTime, event, flags, uid)) { |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private boolean userActivityNoUpdateLocked(long eventTime, int event, int flags, int uid) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "userActivityNoUpdateLocked: eventTime=" + eventTime |
| + ", event=" + event + ", flags=0x" + Integer.toHexString(flags) |
| + ", uid=" + uid); |
| } |
| |
| if (eventTime < mLastSleepTime || eventTime < mLastWakeTime |
| || !mBootCompleted || !mSystemReady) { |
| return false; |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "userActivity"); |
| try { |
| if (eventTime > mLastInteractivePowerHintTime) { |
| powerHintInternal(POWER_HINT_INTERACTION, 0); |
| mLastInteractivePowerHintTime = eventTime; |
| } |
| |
| mNotifier.onUserActivity(event, uid); |
| |
| if (mUserInactiveOverrideFromWindowManager) { |
| mUserInactiveOverrideFromWindowManager = false; |
| mOverriddenTimeout = -1; |
| } |
| |
| if (mWakefulness == WAKEFULNESS_ASLEEP |
| || mWakefulness == WAKEFULNESS_DOZING |
| || (flags & PowerManager.USER_ACTIVITY_FLAG_INDIRECT) != 0) { |
| return false; |
| } |
| |
| if ((flags & PowerManager.USER_ACTIVITY_FLAG_NO_CHANGE_LIGHTS) != 0) { |
| if (eventTime > mLastUserActivityTimeNoChangeLights |
| && eventTime > mLastUserActivityTime) { |
| mLastUserActivityTimeNoChangeLights = eventTime; |
| mDirty |= DIRTY_USER_ACTIVITY; |
| return true; |
| } |
| } else { |
| if (eventTime > mLastUserActivityTime) { |
| mLastUserActivityTime = eventTime; |
| mDirty |= DIRTY_USER_ACTIVITY; |
| return true; |
| } |
| } |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| return false; |
| } |
| |
| private void wakeUpInternal(long eventTime, String reason, int uid, String opPackageName, |
| int opUid) { |
| synchronized (mLock) { |
| if (wakeUpNoUpdateLocked(eventTime, reason, uid, opPackageName, opUid)) { |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private boolean wakeUpNoUpdateLocked(long eventTime, String reason, int reasonUid, |
| String opPackageName, int opUid) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "wakeUpNoUpdateLocked: eventTime=" + eventTime + ", uid=" + reasonUid); |
| } |
| |
| if (eventTime < mLastSleepTime || mWakefulness == WAKEFULNESS_AWAKE |
| || !mBootCompleted || !mSystemReady) { |
| return false; |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "wakeUp"); |
| try { |
| switch (mWakefulness) { |
| case WAKEFULNESS_ASLEEP: |
| Slog.i(TAG, "Waking up from sleep (uid " + reasonUid +")..."); |
| break; |
| case WAKEFULNESS_DREAMING: |
| Slog.i(TAG, "Waking up from dream (uid " + reasonUid +")..."); |
| break; |
| case WAKEFULNESS_DOZING: |
| Slog.i(TAG, "Waking up from dozing (uid " + reasonUid +")..."); |
| break; |
| } |
| |
| mLastWakeTime = eventTime; |
| setWakefulnessLocked(WAKEFULNESS_AWAKE, 0); |
| |
| mNotifier.onWakeUp(reason, reasonUid, opPackageName, opUid); |
| userActivityNoUpdateLocked( |
| eventTime, PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, reasonUid); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| return true; |
| } |
| |
| private void goToSleepInternal(long eventTime, int reason, int flags, int uid) { |
| synchronized (mLock) { |
| if (goToSleepNoUpdateLocked(eventTime, reason, flags, uid)) { |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| // This method is called goToSleep for historical reasons but we actually start |
| // dozing before really going to sleep. |
| @SuppressWarnings("deprecation") |
| private boolean goToSleepNoUpdateLocked(long eventTime, int reason, int flags, int uid) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "goToSleepNoUpdateLocked: eventTime=" + eventTime |
| + ", reason=" + reason + ", flags=" + flags + ", uid=" + uid); |
| } |
| |
| if (eventTime < mLastWakeTime |
| || mWakefulness == WAKEFULNESS_ASLEEP |
| || mWakefulness == WAKEFULNESS_DOZING |
| || !mBootCompleted || !mSystemReady) { |
| return false; |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "goToSleep"); |
| try { |
| switch (reason) { |
| case PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN: |
| Slog.i(TAG, "Going to sleep due to device administration policy " |
| + "(uid " + uid +")..."); |
| break; |
| case PowerManager.GO_TO_SLEEP_REASON_TIMEOUT: |
| Slog.i(TAG, "Going to sleep due to screen timeout (uid " + uid +")..."); |
| break; |
| case PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH: |
| Slog.i(TAG, "Going to sleep due to lid switch (uid " + uid +")..."); |
| break; |
| case PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON: |
| Slog.i(TAG, "Going to sleep due to power button (uid " + uid +")..."); |
| break; |
| case PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON: |
| Slog.i(TAG, "Going to sleep due to sleep button (uid " + uid +")..."); |
| break; |
| case PowerManager.GO_TO_SLEEP_REASON_HDMI: |
| Slog.i(TAG, "Going to sleep due to HDMI standby (uid " + uid +")..."); |
| break; |
| default: |
| Slog.i(TAG, "Going to sleep by application request (uid " + uid +")..."); |
| reason = PowerManager.GO_TO_SLEEP_REASON_APPLICATION; |
| break; |
| } |
| |
| mLastSleepTime = eventTime; |
| mSandmanSummoned = true; |
| setWakefulnessLocked(WAKEFULNESS_DOZING, reason); |
| |
| // Report the number of wake locks that will be cleared by going to sleep. |
| int numWakeLocksCleared = 0; |
| final int numWakeLocks = mWakeLocks.size(); |
| for (int i = 0; i < numWakeLocks; i++) { |
| final WakeLock wakeLock = mWakeLocks.get(i); |
| switch (wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) { |
| case PowerManager.FULL_WAKE_LOCK: |
| case PowerManager.SCREEN_BRIGHT_WAKE_LOCK: |
| case PowerManager.SCREEN_DIM_WAKE_LOCK: |
| numWakeLocksCleared += 1; |
| break; |
| } |
| } |
| EventLog.writeEvent(EventLogTags.POWER_SLEEP_REQUESTED, numWakeLocksCleared); |
| |
| // Skip dozing if requested. |
| if ((flags & PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE) != 0) { |
| reallyGoToSleepNoUpdateLocked(eventTime, uid); |
| } |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| return true; |
| } |
| |
| private void napInternal(long eventTime, int uid) { |
| synchronized (mLock) { |
| if (napNoUpdateLocked(eventTime, uid)) { |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private boolean napNoUpdateLocked(long eventTime, int uid) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "napNoUpdateLocked: eventTime=" + eventTime + ", uid=" + uid); |
| } |
| |
| if (eventTime < mLastWakeTime || mWakefulness != WAKEFULNESS_AWAKE |
| || !mBootCompleted || !mSystemReady) { |
| return false; |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "nap"); |
| try { |
| Slog.i(TAG, "Nap time (uid " + uid +")..."); |
| |
| mSandmanSummoned = true; |
| setWakefulnessLocked(WAKEFULNESS_DREAMING, 0); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| return true; |
| } |
| |
| // Done dozing, drop everything and go to sleep. |
| private boolean reallyGoToSleepNoUpdateLocked(long eventTime, int uid) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "reallyGoToSleepNoUpdateLocked: eventTime=" + eventTime |
| + ", uid=" + uid); |
| } |
| |
| if (eventTime < mLastWakeTime || mWakefulness == WAKEFULNESS_ASLEEP |
| || !mBootCompleted || !mSystemReady) { |
| return false; |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "reallyGoToSleep"); |
| try { |
| Slog.i(TAG, "Sleeping (uid " + uid +")..."); |
| |
| setWakefulnessLocked(WAKEFULNESS_ASLEEP, PowerManager.GO_TO_SLEEP_REASON_TIMEOUT); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| return true; |
| } |
| |
| private void setWakefulnessLocked(int wakefulness, int reason) { |
| if (mWakefulness != wakefulness) { |
| mWakefulness = wakefulness; |
| mWakefulnessChanging = true; |
| mDirty |= DIRTY_WAKEFULNESS; |
| mNotifier.onWakefulnessChangeStarted(wakefulness, reason); |
| } |
| } |
| |
| /** |
| * Logs the time the device would have spent awake before user activity timeout, |
| * had the system not been told the user was inactive. |
| */ |
| private void logSleepTimeoutRecapturedLocked() { |
| final long now = SystemClock.uptimeMillis(); |
| final long savedWakeTimeMs = mOverriddenTimeout - now; |
| if (savedWakeTimeMs >= 0) { |
| EventLog.writeEvent(EventLogTags.POWER_SOFT_SLEEP_REQUESTED, savedWakeTimeMs); |
| mOverriddenTimeout = -1; |
| } |
| } |
| |
| private void finishWakefulnessChangeIfNeededLocked() { |
| if (mWakefulnessChanging && mDisplayReady) { |
| if (mWakefulness == WAKEFULNESS_DOZING |
| && (mWakeLockSummary & WAKE_LOCK_DOZE) == 0) { |
| return; // wait until dream has enabled dozing |
| } |
| if (mWakefulness == WAKEFULNESS_DOZING || mWakefulness == WAKEFULNESS_ASLEEP) { |
| logSleepTimeoutRecapturedLocked(); |
| } |
| mWakefulnessChanging = false; |
| mNotifier.onWakefulnessChangeFinished(); |
| } |
| } |
| |
| /** |
| * Updates the global power state based on dirty bits recorded in mDirty. |
| * |
| * This is the main function that performs power state transitions. |
| * We centralize them here so that we can recompute the power state completely |
| * each time something important changes, and ensure that we do it the same |
| * way each time. The point is to gather all of the transition logic here. |
| */ |
| private void updatePowerStateLocked() { |
| if (!mSystemReady || mDirty == 0) { |
| return; |
| } |
| if (!Thread.holdsLock(mLock)) { |
| Slog.wtf(TAG, "Power manager lock was not held when calling updatePowerStateLocked"); |
| } |
| |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "updatePowerState"); |
| try { |
| // Phase 0: Basic state updates. |
| updateIsPoweredLocked(mDirty); |
| updateStayOnLocked(mDirty); |
| updateScreenBrightnessBoostLocked(mDirty); |
| |
| // Phase 1: Update wakefulness. |
| // Loop because the wake lock and user activity computations are influenced |
| // by changes in wakefulness. |
| final long now = SystemClock.uptimeMillis(); |
| int dirtyPhase2 = 0; |
| for (;;) { |
| int dirtyPhase1 = mDirty; |
| dirtyPhase2 |= dirtyPhase1; |
| mDirty = 0; |
| |
| updateWakeLockSummaryLocked(dirtyPhase1); |
| updateUserActivitySummaryLocked(now, dirtyPhase1); |
| if (!updateWakefulnessLocked(dirtyPhase1)) { |
| break; |
| } |
| } |
| |
| // Phase 2: Update display power state. |
| boolean displayBecameReady = updateDisplayPowerStateLocked(dirtyPhase2); |
| |
| // Phase 3: Update dream state (depends on display ready signal). |
| updateDreamLocked(dirtyPhase2, displayBecameReady); |
| |
| // Phase 4: Send notifications, if needed. |
| finishWakefulnessChangeIfNeededLocked(); |
| |
| // Phase 5: Update suspend blocker. |
| // Because we might release the last suspend blocker here, we need to make sure |
| // we finished everything else first! |
| updateSuspendBlockerLocked(); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| |
| /** |
| * Updates the value of mIsPowered. |
| * Sets DIRTY_IS_POWERED if a change occurred. |
| */ |
| private void updateIsPoweredLocked(int dirty) { |
| if ((dirty & DIRTY_BATTERY_STATE) != 0) { |
| final boolean wasPowered = mIsPowered; |
| final int oldPlugType = mPlugType; |
| final boolean oldLevelLow = mBatteryLevelLow; |
| mIsPowered = mBatteryManagerInternal.isPowered(BatteryManager.BATTERY_PLUGGED_ANY); |
| mPlugType = mBatteryManagerInternal.getPlugType(); |
| mBatteryLevel = mBatteryManagerInternal.getBatteryLevel(); |
| mBatteryLevelLow = mBatteryManagerInternal.getBatteryLevelLow(); |
| |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateIsPoweredLocked: wasPowered=" + wasPowered |
| + ", mIsPowered=" + mIsPowered |
| + ", oldPlugType=" + oldPlugType |
| + ", mPlugType=" + mPlugType |
| + ", mBatteryLevel=" + mBatteryLevel); |
| } |
| |
| if (wasPowered != mIsPowered || oldPlugType != mPlugType) { |
| mDirty |= DIRTY_IS_POWERED; |
| |
| // Update wireless dock detection state. |
| final boolean dockedOnWirelessCharger = mWirelessChargerDetector.update( |
| mIsPowered, mPlugType, mBatteryLevel); |
| |
| // Treat plugging and unplugging the devices as a user activity. |
| // Users find it disconcerting when they plug or unplug the device |
| // and it shuts off right away. |
| // Some devices also wake the device when plugged or unplugged because |
| // they don't have a charging LED. |
| final long now = SystemClock.uptimeMillis(); |
| if (shouldWakeUpWhenPluggedOrUnpluggedLocked(wasPowered, oldPlugType, |
| dockedOnWirelessCharger)) { |
| wakeUpNoUpdateLocked(now, "android.server.power:POWER", Process.SYSTEM_UID, |
| mContext.getOpPackageName(), Process.SYSTEM_UID); |
| } |
| userActivityNoUpdateLocked( |
| now, PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, Process.SYSTEM_UID); |
| |
| // Tell the notifier whether wireless charging has started so that |
| // it can provide feedback to the user. |
| if (dockedOnWirelessCharger) { |
| mNotifier.onWirelessChargingStarted(); |
| } |
| } |
| |
| if (wasPowered != mIsPowered || oldLevelLow != mBatteryLevelLow) { |
| if (oldLevelLow != mBatteryLevelLow && !mBatteryLevelLow) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateIsPoweredLocked: resetting low power snooze"); |
| } |
| mAutoLowPowerModeSnoozing = false; |
| } |
| updateLowPowerModeLocked(); |
| } |
| } |
| } |
| |
| private boolean shouldWakeUpWhenPluggedOrUnpluggedLocked( |
| boolean wasPowered, int oldPlugType, boolean dockedOnWirelessCharger) { |
| // Don't wake when powered unless configured to do so. |
| if (!mWakeUpWhenPluggedOrUnpluggedConfig) { |
| return false; |
| } |
| |
| // Don't wake when undocked from wireless charger. |
| // See WirelessChargerDetector for justification. |
| if (wasPowered && !mIsPowered |
| && oldPlugType == BatteryManager.BATTERY_PLUGGED_WIRELESS) { |
| return false; |
| } |
| |
| // Don't wake when docked on wireless charger unless we are certain of it. |
| // See WirelessChargerDetector for justification. |
| if (!wasPowered && mIsPowered |
| && mPlugType == BatteryManager.BATTERY_PLUGGED_WIRELESS |
| && !dockedOnWirelessCharger) { |
| return false; |
| } |
| |
| // If already dreaming and becoming powered, then don't wake. |
| if (mIsPowered && mWakefulness == WAKEFULNESS_DREAMING) { |
| return false; |
| } |
| |
| // Don't wake while theater mode is enabled. |
| if (mTheaterModeEnabled && !mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig) { |
| return false; |
| } |
| |
| // Otherwise wake up! |
| return true; |
| } |
| |
| /** |
| * Updates the value of mStayOn. |
| * Sets DIRTY_STAY_ON if a change occurred. |
| */ |
| private void updateStayOnLocked(int dirty) { |
| if ((dirty & (DIRTY_BATTERY_STATE | DIRTY_SETTINGS)) != 0) { |
| final boolean wasStayOn = mStayOn; |
| if (mStayOnWhilePluggedInSetting != 0 |
| && !isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked()) { |
| mStayOn = mBatteryManagerInternal.isPowered(mStayOnWhilePluggedInSetting); |
| } else { |
| mStayOn = false; |
| } |
| |
| if (mStayOn != wasStayOn) { |
| mDirty |= DIRTY_STAY_ON; |
| } |
| } |
| } |
| |
| /** |
| * Updates the value of mWakeLockSummary to summarize the state of all active wake locks. |
| * Note that most wake-locks are ignored when the system is asleep. |
| * |
| * This function must have no other side-effects. |
| */ |
| @SuppressWarnings("deprecation") |
| private void updateWakeLockSummaryLocked(int dirty) { |
| if ((dirty & (DIRTY_WAKE_LOCKS | DIRTY_WAKEFULNESS)) != 0) { |
| mWakeLockSummary = 0; |
| |
| final int numWakeLocks = mWakeLocks.size(); |
| for (int i = 0; i < numWakeLocks; i++) { |
| final WakeLock wakeLock = mWakeLocks.get(i); |
| switch (wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) { |
| case PowerManager.PARTIAL_WAKE_LOCK: |
| if (!wakeLock.mDisabled) { |
| // We only respect this if the wake lock is not disabled. |
| mWakeLockSummary |= WAKE_LOCK_CPU; |
| } |
| break; |
| case PowerManager.FULL_WAKE_LOCK: |
| mWakeLockSummary |= WAKE_LOCK_SCREEN_BRIGHT | WAKE_LOCK_BUTTON_BRIGHT; |
| break; |
| case PowerManager.SCREEN_BRIGHT_WAKE_LOCK: |
| mWakeLockSummary |= WAKE_LOCK_SCREEN_BRIGHT; |
| break; |
| case PowerManager.SCREEN_DIM_WAKE_LOCK: |
| mWakeLockSummary |= WAKE_LOCK_SCREEN_DIM; |
| break; |
| case PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK: |
| mWakeLockSummary |= WAKE_LOCK_PROXIMITY_SCREEN_OFF; |
| break; |
| case PowerManager.DOZE_WAKE_LOCK: |
| mWakeLockSummary |= WAKE_LOCK_DOZE; |
| break; |
| case PowerManager.DRAW_WAKE_LOCK: |
| mWakeLockSummary |= WAKE_LOCK_DRAW; |
| break; |
| } |
| } |
| |
| // Cancel wake locks that make no sense based on the current state. |
| if (mWakefulness != WAKEFULNESS_DOZING) { |
| mWakeLockSummary &= ~(WAKE_LOCK_DOZE | WAKE_LOCK_DRAW); |
| } |
| if (mWakefulness == WAKEFULNESS_ASLEEP |
| || (mWakeLockSummary & WAKE_LOCK_DOZE) != 0) { |
| mWakeLockSummary &= ~(WAKE_LOCK_SCREEN_BRIGHT | WAKE_LOCK_SCREEN_DIM |
| | WAKE_LOCK_BUTTON_BRIGHT); |
| if (mWakefulness == WAKEFULNESS_ASLEEP) { |
| mWakeLockSummary &= ~WAKE_LOCK_PROXIMITY_SCREEN_OFF; |
| } |
| } |
| |
| // Infer implied wake locks where necessary based on the current state. |
| if ((mWakeLockSummary & (WAKE_LOCK_SCREEN_BRIGHT | WAKE_LOCK_SCREEN_DIM)) != 0) { |
| if (mWakefulness == WAKEFULNESS_AWAKE) { |
| mWakeLockSummary |= WAKE_LOCK_CPU | WAKE_LOCK_STAY_AWAKE; |
| } else if (mWakefulness == WAKEFULNESS_DREAMING) { |
| mWakeLockSummary |= WAKE_LOCK_CPU; |
| } |
| } |
| if ((mWakeLockSummary & WAKE_LOCK_DRAW) != 0) { |
| mWakeLockSummary |= WAKE_LOCK_CPU; |
| } |
| |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateWakeLockSummaryLocked: mWakefulness=" |
| + PowerManagerInternal.wakefulnessToString(mWakefulness) |
| + ", mWakeLockSummary=0x" + Integer.toHexString(mWakeLockSummary)); |
| } |
| } |
| } |
| |
| /** |
| * Updates the value of mUserActivitySummary to summarize the user requested |
| * state of the system such as whether the screen should be bright or dim. |
| * Note that user activity is ignored when the system is asleep. |
| * |
| * This function must have no other side-effects. |
| */ |
| private void updateUserActivitySummaryLocked(long now, int dirty) { |
| // Update the status of the user activity timeout timer. |
| if ((dirty & (DIRTY_WAKE_LOCKS | DIRTY_USER_ACTIVITY |
| | DIRTY_WAKEFULNESS | DIRTY_SETTINGS)) != 0) { |
| mHandler.removeMessages(MSG_USER_ACTIVITY_TIMEOUT); |
| |
| long nextTimeout = 0; |
| if (mWakefulness == WAKEFULNESS_AWAKE |
| || mWakefulness == WAKEFULNESS_DREAMING |
| || mWakefulness == WAKEFULNESS_DOZING) { |
| final int sleepTimeout = getSleepTimeoutLocked(); |
| final int screenOffTimeout = getScreenOffTimeoutLocked(sleepTimeout); |
| final int screenDimDuration = getScreenDimDurationLocked(screenOffTimeout); |
| final boolean userInactiveOverride = mUserInactiveOverrideFromWindowManager; |
| |
| mUserActivitySummary = 0; |
| if (mLastUserActivityTime >= mLastWakeTime) { |
| nextTimeout = mLastUserActivityTime |
| + screenOffTimeout - screenDimDuration; |
| if (now < nextTimeout) { |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_BRIGHT; |
| } else { |
| nextTimeout = mLastUserActivityTime + screenOffTimeout; |
| if (now < nextTimeout) { |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_DIM; |
| } |
| } |
| } |
| if (mUserActivitySummary == 0 |
| && mLastUserActivityTimeNoChangeLights >= mLastWakeTime) { |
| nextTimeout = mLastUserActivityTimeNoChangeLights + screenOffTimeout; |
| if (now < nextTimeout) { |
| if (mDisplayPowerRequest.policy == DisplayPowerRequest.POLICY_BRIGHT) { |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_BRIGHT; |
| } else if (mDisplayPowerRequest.policy == DisplayPowerRequest.POLICY_DIM) { |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_DIM; |
| } |
| } |
| } |
| |
| if (mUserActivitySummary == 0) { |
| if (sleepTimeout >= 0) { |
| final long anyUserActivity = Math.max(mLastUserActivityTime, |
| mLastUserActivityTimeNoChangeLights); |
| if (anyUserActivity >= mLastWakeTime) { |
| nextTimeout = anyUserActivity + sleepTimeout; |
| if (now < nextTimeout) { |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_DREAM; |
| } |
| } |
| } else { |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_DREAM; |
| nextTimeout = -1; |
| } |
| } |
| |
| if (mUserActivitySummary != USER_ACTIVITY_SCREEN_DREAM && userInactiveOverride) { |
| if ((mUserActivitySummary & |
| (USER_ACTIVITY_SCREEN_BRIGHT | USER_ACTIVITY_SCREEN_DIM)) != 0) { |
| // Device is being kept awake by recent user activity |
| if (nextTimeout >= now && mOverriddenTimeout == -1) { |
| // Save when the next timeout would have occurred |
| mOverriddenTimeout = nextTimeout; |
| } |
| } |
| mUserActivitySummary = USER_ACTIVITY_SCREEN_DREAM; |
| nextTimeout = -1; |
| } |
| |
| if (mUserActivitySummary != 0 && nextTimeout >= 0) { |
| Message msg = mHandler.obtainMessage(MSG_USER_ACTIVITY_TIMEOUT); |
| msg.setAsynchronous(true); |
| mHandler.sendMessageAtTime(msg, nextTimeout); |
| } |
| } else { |
| mUserActivitySummary = 0; |
| } |
| |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateUserActivitySummaryLocked: mWakefulness=" |
| + PowerManagerInternal.wakefulnessToString(mWakefulness) |
| + ", mUserActivitySummary=0x" + Integer.toHexString(mUserActivitySummary) |
| + ", nextTimeout=" + TimeUtils.formatUptime(nextTimeout)); |
| } |
| } |
| } |
| |
| /** |
| * Called when a user activity timeout has occurred. |
| * Simply indicates that something about user activity has changed so that the new |
| * state can be recomputed when the power state is updated. |
| * |
| * This function must have no other side-effects besides setting the dirty |
| * bit and calling update power state. Wakefulness transitions are handled elsewhere. |
| */ |
| private void handleUserActivityTimeout() { // runs on handler thread |
| synchronized (mLock) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "handleUserActivityTimeout"); |
| } |
| |
| mDirty |= DIRTY_USER_ACTIVITY; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| private int getSleepTimeoutLocked() { |
| int timeout = mSleepTimeoutSetting; |
| if (timeout <= 0) { |
| return -1; |
| } |
| return Math.max(timeout, mMinimumScreenOffTimeoutConfig); |
| } |
| |
| private int getScreenOffTimeoutLocked(int sleepTimeout) { |
| int timeout = mScreenOffTimeoutSetting; |
| if (isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked()) { |
| timeout = Math.min(timeout, mMaximumScreenOffTimeoutFromDeviceAdmin); |
| } |
| if (mUserActivityTimeoutOverrideFromWindowManager >= 0) { |
| timeout = (int)Math.min(timeout, mUserActivityTimeoutOverrideFromWindowManager); |
| } |
| if (sleepTimeout >= 0) { |
| timeout = Math.min(timeout, sleepTimeout); |
| } |
| return Math.max(timeout, mMinimumScreenOffTimeoutConfig); |
| } |
| |
| private int getScreenDimDurationLocked(int screenOffTimeout) { |
| return Math.min(mMaximumScreenDimDurationConfig, |
| (int)(screenOffTimeout * mMaximumScreenDimRatioConfig)); |
| } |
| |
| /** |
| * Updates the wakefulness of the device. |
| * |
| * This is the function that decides whether the device should start dreaming |
| * based on the current wake locks and user activity state. It may modify mDirty |
| * if the wakefulness changes. |
| * |
| * Returns true if the wakefulness changed and we need to restart power state calculation. |
| */ |
| private boolean updateWakefulnessLocked(int dirty) { |
| boolean changed = false; |
| if ((dirty & (DIRTY_WAKE_LOCKS | DIRTY_USER_ACTIVITY | DIRTY_BOOT_COMPLETED |
| | DIRTY_WAKEFULNESS | DIRTY_STAY_ON | DIRTY_PROXIMITY_POSITIVE |
| | DIRTY_DOCK_STATE)) != 0) { |
| if (mWakefulness == WAKEFULNESS_AWAKE && isItBedTimeYetLocked()) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateWakefulnessLocked: Bed time..."); |
| } |
| final long time = SystemClock.uptimeMillis(); |
| if (shouldNapAtBedTimeLocked()) { |
| changed = napNoUpdateLocked(time, Process.SYSTEM_UID); |
| } else { |
| changed = goToSleepNoUpdateLocked(time, |
| PowerManager.GO_TO_SLEEP_REASON_TIMEOUT, 0, Process.SYSTEM_UID); |
| } |
| } |
| } |
| return changed; |
| } |
| |
| /** |
| * Returns true if the device should automatically nap and start dreaming when the user |
| * activity timeout has expired and it's bedtime. |
| */ |
| private boolean shouldNapAtBedTimeLocked() { |
| return mDreamsActivateOnSleepSetting |
| || (mDreamsActivateOnDockSetting |
| && mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED); |
| } |
| |
| /** |
| * Returns true if the device should go to sleep now. |
| * Also used when exiting a dream to determine whether we should go back |
| * to being fully awake or else go to sleep for good. |
| */ |
| private boolean isItBedTimeYetLocked() { |
| return mBootCompleted && !isBeingKeptAwakeLocked(); |
| } |
| |
| /** |
| * Returns true if the device is being kept awake by a wake lock, user activity |
| * or the stay on while powered setting. We also keep the phone awake when |
| * the proximity sensor returns a positive result so that the device does not |
| * lock while in a phone call. This function only controls whether the device |
| * will go to sleep or dream which is independent of whether it will be allowed |
| * to suspend. |
| */ |
| private boolean isBeingKeptAwakeLocked() { |
| return mStayOn |
| || mProximityPositive |
| || (mWakeLockSummary & WAKE_LOCK_STAY_AWAKE) != 0 |
| || (mUserActivitySummary & (USER_ACTIVITY_SCREEN_BRIGHT |
| | USER_ACTIVITY_SCREEN_DIM)) != 0 |
| || mScreenBrightnessBoostInProgress; |
| } |
| |
| /** |
| * Determines whether to post a message to the sandman to update the dream state. |
| */ |
| private void updateDreamLocked(int dirty, boolean displayBecameReady) { |
| if ((dirty & (DIRTY_WAKEFULNESS |
| | DIRTY_USER_ACTIVITY |
| | DIRTY_WAKE_LOCKS |
| | DIRTY_BOOT_COMPLETED |
| | DIRTY_SETTINGS |
| | DIRTY_IS_POWERED |
| | DIRTY_STAY_ON |
| | DIRTY_PROXIMITY_POSITIVE |
| | DIRTY_BATTERY_STATE)) != 0 || displayBecameReady) { |
| if (mDisplayReady) { |
| scheduleSandmanLocked(); |
| } |
| } |
| } |
| |
| private void scheduleSandmanLocked() { |
| if (!mSandmanScheduled) { |
| mSandmanScheduled = true; |
| Message msg = mHandler.obtainMessage(MSG_SANDMAN); |
| msg.setAsynchronous(true); |
| mHandler.sendMessage(msg); |
| } |
| } |
| |
| /** |
| * Called when the device enters or exits a dreaming or dozing state. |
| * |
| * We do this asynchronously because we must call out of the power manager to start |
| * the dream and we don't want to hold our lock while doing so. There is a risk that |
| * the device will wake or go to sleep in the meantime so we have to handle that case. |
| */ |
| private void handleSandman() { // runs on handler thread |
| // Handle preconditions. |
| final boolean startDreaming; |
| final int wakefulness; |
| synchronized (mLock) { |
| mSandmanScheduled = false; |
| wakefulness = mWakefulness; |
| if (mSandmanSummoned && mDisplayReady) { |
| startDreaming = canDreamLocked() || canDozeLocked(); |
| mSandmanSummoned = false; |
| } else { |
| startDreaming = false; |
| } |
| } |
| |
| // Start dreaming if needed. |
| // We only control the dream on the handler thread, so we don't need to worry about |
| // concurrent attempts to start or stop the dream. |
| final boolean isDreaming; |
| if (mDreamManager != null) { |
| // Restart the dream whenever the sandman is summoned. |
| if (startDreaming) { |
| mDreamManager.stopDream(false /*immediate*/); |
| mDreamManager.startDream(wakefulness == WAKEFULNESS_DOZING); |
| } |
| isDreaming = mDreamManager.isDreaming(); |
| } else { |
| isDreaming = false; |
| } |
| |
| // Update dream state. |
| synchronized (mLock) { |
| // Remember the initial battery level when the dream started. |
| if (startDreaming && isDreaming) { |
| mBatteryLevelWhenDreamStarted = mBatteryLevel; |
| if (wakefulness == WAKEFULNESS_DOZING) { |
| Slog.i(TAG, "Dozing..."); |
| } else { |
| Slog.i(TAG, "Dreaming..."); |
| } |
| } |
| |
| // If preconditions changed, wait for the next iteration to determine |
| // whether the dream should continue (or be restarted). |
| if (mSandmanSummoned || mWakefulness != wakefulness) { |
| return; // wait for next cycle |
| } |
| |
| // Determine whether the dream should continue. |
| if (wakefulness == WAKEFULNESS_DREAMING) { |
| if (isDreaming && canDreamLocked()) { |
| if (mDreamsBatteryLevelDrainCutoffConfig >= 0 |
| && mBatteryLevel < mBatteryLevelWhenDreamStarted |
| - mDreamsBatteryLevelDrainCutoffConfig |
| && !isBeingKeptAwakeLocked()) { |
| // If the user activity timeout expired and the battery appears |
| // to be draining faster than it is charging then stop dreaming |
| // and go to sleep. |
| Slog.i(TAG, "Stopping dream because the battery appears to " |
| + "be draining faster than it is charging. " |
| + "Battery level when dream started: " |
| + mBatteryLevelWhenDreamStarted + "%. " |
| + "Battery level now: " + mBatteryLevel + "%."); |
| } else { |
| return; // continue dreaming |
| } |
| } |
| |
| // Dream has ended or will be stopped. Update the power state. |
| if (isItBedTimeYetLocked()) { |
| goToSleepNoUpdateLocked(SystemClock.uptimeMillis(), |
| PowerManager.GO_TO_SLEEP_REASON_TIMEOUT, 0, Process.SYSTEM_UID); |
| updatePowerStateLocked(); |
| } else { |
| wakeUpNoUpdateLocked(SystemClock.uptimeMillis(), "android.server.power:DREAM", |
| Process.SYSTEM_UID, mContext.getOpPackageName(), Process.SYSTEM_UID); |
| updatePowerStateLocked(); |
| } |
| } else if (wakefulness == WAKEFULNESS_DOZING) { |
| if (isDreaming) { |
| return; // continue dozing |
| } |
| |
| // Doze has ended or will be stopped. Update the power state. |
| reallyGoToSleepNoUpdateLocked(SystemClock.uptimeMillis(), Process.SYSTEM_UID); |
| updatePowerStateLocked(); |
| } |
| } |
| |
| // Stop dream. |
| if (isDreaming) { |
| mDreamManager.stopDream(false /*immediate*/); |
| } |
| } |
| |
| /** |
| * Returns true if the device is allowed to dream in its current state. |
| */ |
| private boolean canDreamLocked() { |
| if (mWakefulness != WAKEFULNESS_DREAMING |
| || !mDreamsSupportedConfig |
| || !mDreamsEnabledSetting |
| || !mDisplayPowerRequest.isBrightOrDim() |
| || (mUserActivitySummary & (USER_ACTIVITY_SCREEN_BRIGHT |
| | USER_ACTIVITY_SCREEN_DIM | USER_ACTIVITY_SCREEN_DREAM)) == 0 |
| || !mBootCompleted) { |
| return false; |
| } |
| if (!isBeingKeptAwakeLocked()) { |
| if (!mIsPowered && !mDreamsEnabledOnBatteryConfig) { |
| return false; |
| } |
| if (!mIsPowered |
| && mDreamsBatteryLevelMinimumWhenNotPoweredConfig >= 0 |
| && mBatteryLevel < mDreamsBatteryLevelMinimumWhenNotPoweredConfig) { |
| return false; |
| } |
| if (mIsPowered |
| && mDreamsBatteryLevelMinimumWhenPoweredConfig >= 0 |
| && mBatteryLevel < mDreamsBatteryLevelMinimumWhenPoweredConfig) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Returns true if the device is allowed to doze in its current state. |
| */ |
| private boolean canDozeLocked() { |
| return mWakefulness == WAKEFULNESS_DOZING; |
| } |
| |
| /** |
| * Updates the display power state asynchronously. |
| * When the update is finished, mDisplayReady will be set to true. The display |
| * controller posts a message to tell us when the actual display power state |
| * has been updated so we come back here to double-check and finish up. |
| * |
| * This function recalculates the display power state each time. |
| * |
| * @return True if the display became ready. |
| */ |
| private boolean updateDisplayPowerStateLocked(int dirty) { |
| final boolean oldDisplayReady = mDisplayReady; |
| if ((dirty & (DIRTY_WAKE_LOCKS | DIRTY_USER_ACTIVITY | DIRTY_WAKEFULNESS |
| | DIRTY_ACTUAL_DISPLAY_POWER_STATE_UPDATED | DIRTY_BOOT_COMPLETED |
| | DIRTY_SETTINGS | DIRTY_SCREEN_BRIGHTNESS_BOOST)) != 0) { |
| mDisplayPowerRequest.policy = getDesiredScreenPolicyLocked(); |
| |
| // Determine appropriate screen brightness and auto-brightness adjustments. |
| boolean brightnessSetByUser = true; |
| int screenBrightness = mScreenBrightnessSettingDefault; |
| float screenAutoBrightnessAdjustment = 0.0f; |
| boolean autoBrightness = (mScreenBrightnessModeSetting == |
| Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC); |
| if (isValidBrightness(mScreenBrightnessOverrideFromWindowManager)) { |
| screenBrightness = mScreenBrightnessOverrideFromWindowManager; |
| autoBrightness = false; |
| brightnessSetByUser = false; |
| } else if (isValidBrightness(mTemporaryScreenBrightnessSettingOverride)) { |
| screenBrightness = mTemporaryScreenBrightnessSettingOverride; |
| } else if (isValidBrightness(mScreenBrightnessSetting)) { |
| screenBrightness = mScreenBrightnessSetting; |
| } |
| if (autoBrightness) { |
| screenBrightness = mScreenBrightnessSettingDefault; |
| if (isValidAutoBrightnessAdjustment( |
| mTemporaryScreenAutoBrightnessAdjustmentSettingOverride)) { |
| screenAutoBrightnessAdjustment = |
| mTemporaryScreenAutoBrightnessAdjustmentSettingOverride; |
| } else if (isValidAutoBrightnessAdjustment( |
| mScreenAutoBrightnessAdjustmentSetting)) { |
| screenAutoBrightnessAdjustment = mScreenAutoBrightnessAdjustmentSetting; |
| } |
| } |
| screenBrightness = Math.max(Math.min(screenBrightness, |
| mScreenBrightnessSettingMaximum), mScreenBrightnessSettingMinimum); |
| screenAutoBrightnessAdjustment = Math.max(Math.min( |
| screenAutoBrightnessAdjustment, 1.0f), -1.0f); |
| |
| // Update display power request. |
| mDisplayPowerRequest.screenBrightness = screenBrightness; |
| mDisplayPowerRequest.screenAutoBrightnessAdjustment = |
| screenAutoBrightnessAdjustment; |
| mDisplayPowerRequest.brightnessSetByUser = brightnessSetByUser; |
| mDisplayPowerRequest.useAutoBrightness = autoBrightness; |
| mDisplayPowerRequest.useProximitySensor = shouldUseProximitySensorLocked(); |
| mDisplayPowerRequest.lowPowerMode = mLowPowerModeEnabled; |
| mDisplayPowerRequest.boostScreenBrightness = mScreenBrightnessBoostInProgress; |
| mDisplayPowerRequest.useTwilight = mBrightnessUseTwilight; |
| |
| if (mDisplayPowerRequest.policy == DisplayPowerRequest.POLICY_DOZE) { |
| mDisplayPowerRequest.dozeScreenState = mDozeScreenStateOverrideFromDreamManager; |
| if (mDisplayPowerRequest.dozeScreenState == Display.STATE_DOZE_SUSPEND |
| && (mWakeLockSummary & WAKE_LOCK_DRAW) != 0) { |
| mDisplayPowerRequest.dozeScreenState = Display.STATE_DOZE; |
| } |
| mDisplayPowerRequest.dozeScreenBrightness = |
| mDozeScreenBrightnessOverrideFromDreamManager; |
| } else { |
| mDisplayPowerRequest.dozeScreenState = Display.STATE_UNKNOWN; |
| mDisplayPowerRequest.dozeScreenBrightness = PowerManager.BRIGHTNESS_DEFAULT; |
| } |
| |
| mDisplayReady = mDisplayManagerInternal.requestPowerState(mDisplayPowerRequest, |
| mRequestWaitForNegativeProximity); |
| mRequestWaitForNegativeProximity = false; |
| |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "updateDisplayPowerStateLocked: mDisplayReady=" + mDisplayReady |
| + ", policy=" + mDisplayPowerRequest.policy |
| + ", mWakefulness=" + mWakefulness |
| + ", mWakeLockSummary=0x" + Integer.toHexString(mWakeLockSummary) |
| + ", mUserActivitySummary=0x" + Integer.toHexString(mUserActivitySummary) |
| + ", mBootCompleted=" + mBootCompleted |
| + ", mScreenBrightnessBoostInProgress=" |
| + mScreenBrightnessBoostInProgress); |
| } |
| } |
| return mDisplayReady && !oldDisplayReady; |
| } |
| |
| private void updateScreenBrightnessBoostLocked(int dirty) { |
| if ((dirty & DIRTY_SCREEN_BRIGHTNESS_BOOST) != 0) { |
| if (mScreenBrightnessBoostInProgress) { |
| final long now = SystemClock.uptimeMillis(); |
| mHandler.removeMessages(MSG_SCREEN_BRIGHTNESS_BOOST_TIMEOUT); |
| if (mLastScreenBrightnessBoostTime > mLastSleepTime) { |
| final long boostTimeout = mLastScreenBrightnessBoostTime + |
| SCREEN_BRIGHTNESS_BOOST_TIMEOUT; |
| if (boostTimeout > now) { |
| Message msg = mHandler.obtainMessage(MSG_SCREEN_BRIGHTNESS_BOOST_TIMEOUT); |
| msg.setAsynchronous(true); |
| mHandler.sendMessageAtTime(msg, boostTimeout); |
| return; |
| } |
| } |
| mScreenBrightnessBoostInProgress = false; |
| mNotifier.onScreenBrightnessBoostChanged(); |
| userActivityNoUpdateLocked(now, |
| PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, Process.SYSTEM_UID); |
| } |
| } |
| } |
| |
| private static boolean isValidBrightness(int value) { |
| return value >= 0 && value <= 255; |
| } |
| |
| private static boolean isValidAutoBrightnessAdjustment(float value) { |
| // Handles NaN by always returning false. |
| return value >= -1.0f && value <= 1.0f; |
| } |
| |
| private int getDesiredScreenPolicyLocked() { |
| if (mWakefulness == WAKEFULNESS_ASLEEP) { |
| return DisplayPowerRequest.POLICY_OFF; |
| } |
| |
| if (mWakefulness == WAKEFULNESS_DOZING) { |
| if ((mWakeLockSummary & WAKE_LOCK_DOZE) != 0) { |
| return DisplayPowerRequest.POLICY_DOZE; |
| } |
| if (mDozeAfterScreenOffConfig) { |
| return DisplayPowerRequest.POLICY_OFF; |
| } |
| // Fall through and preserve the current screen policy if not configured to |
| // doze after screen off. This causes the screen off transition to be skipped. |
| } |
| |
| if ((mWakeLockSummary & WAKE_LOCK_SCREEN_BRIGHT) != 0 |
| || (mUserActivitySummary & USER_ACTIVITY_SCREEN_BRIGHT) != 0 |
| || !mBootCompleted |
| || mScreenBrightnessBoostInProgress) { |
| return DisplayPowerRequest.POLICY_BRIGHT; |
| } |
| |
| return DisplayPowerRequest.POLICY_DIM; |
| } |
| |
| private final DisplayManagerInternal.DisplayPowerCallbacks mDisplayPowerCallbacks = |
| new DisplayManagerInternal.DisplayPowerCallbacks() { |
| private int mDisplayState = Display.STATE_UNKNOWN; |
| |
| @Override |
| public void onStateChanged() { |
| synchronized (mLock) { |
| mDirty |= DIRTY_ACTUAL_DISPLAY_POWER_STATE_UPDATED; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| @Override |
| public void onProximityPositive() { |
| synchronized (mLock) { |
| mProximityPositive = true; |
| mDirty |= DIRTY_PROXIMITY_POSITIVE; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| @Override |
| public void onProximityNegative() { |
| synchronized (mLock) { |
| mProximityPositive = false; |
| mDirty |= DIRTY_PROXIMITY_POSITIVE; |
| userActivityNoUpdateLocked(SystemClock.uptimeMillis(), |
| PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, Process.SYSTEM_UID); |
| updatePowerStateLocked(); |
| } |
| } |
| |
| @Override |
| public void onDisplayStateChange(int state) { |
| // This method is only needed to support legacy display blanking behavior |
| // where the display's power state is coupled to suspend or to the power HAL. |
| // The order of operations matters here. |
| synchronized (mLock) { |
| if (mDisplayState != state) { |
| mDisplayState = state; |
| if (state == Display.STATE_OFF) { |
| if (!mDecoupleHalInteractiveModeFromDisplayConfig) { |
| setHalInteractiveModeLocked(false); |
| } |
| if (!mDecoupleHalAutoSuspendModeFromDisplayConfig) { |
| setHalAutoSuspendModeLocked(true); |
| } |
| } else { |
| if (!mDecoupleHalAutoSuspendModeFromDisplayConfig) { |
| setHalAutoSuspendModeLocked(false); |
| } |
| if (!mDecoupleHalInteractiveModeFromDisplayConfig) { |
| setHalInteractiveModeLocked(true); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void acquireSuspendBlocker() { |
| mDisplaySuspendBlocker.acquire(); |
| } |
| |
| @Override |
| public void releaseSuspendBlocker() { |
| mDisplaySuspendBlocker.release(); |
| } |
| |
| @Override |
| public String toString() { |
| synchronized (this) { |
| return "state=" + Display.stateToString(mDisplayState); |
| } |
| } |
| }; |
| |
| private boolean shouldUseProximitySensorLocked() { |
| return (mWakeLockSummary & WAKE_LOCK_PROXIMITY_SCREEN_OFF) != 0; |
| } |
| |
| /** |
| * Updates the suspend blocker that keeps the CPU alive. |
| * |
| * This function must have no other side-effects. |
| */ |
| private void updateSuspendBlockerLocked() { |
| final boolean needWakeLockSuspendBlocker = ((mWakeLockSummary & WAKE_LOCK_CPU) != 0); |
| final boolean needDisplaySuspendBlocker = needDisplaySuspendBlockerLocked(); |
| final boolean autoSuspend = !needDisplaySuspendBlocker; |
| final boolean interactive = mDisplayPowerRequest.isBrightOrDim(); |
| |
| // Disable auto-suspend if needed. |
| // FIXME We should consider just leaving auto-suspend enabled forever since |
| // we already hold the necessary wakelocks. |
| if (!autoSuspend && mDecoupleHalAutoSuspendModeFromDisplayConfig) { |
| setHalAutoSuspendModeLocked(false); |
| } |
| |
| // First acquire suspend blockers if needed. |
| if (needWakeLockSuspendBlocker && !mHoldingWakeLockSuspendBlocker) { |
| mWakeLockSuspendBlocker.acquire(); |
| mHoldingWakeLockSuspendBlocker = true; |
| } |
| if (needDisplaySuspendBlocker && !mHoldingDisplaySuspendBlocker) { |
| mDisplaySuspendBlocker.acquire(); |
| mHoldingDisplaySuspendBlocker = true; |
| } |
| |
| // Inform the power HAL about interactive mode. |
| // Although we could set interactive strictly based on the wakefulness |
| // as reported by isInteractive(), it is actually more desirable to track |
| // the display policy state instead so that the interactive state observed |
| // by the HAL more accurately tracks transitions between AWAKE and DOZING. |
| // Refer to getDesiredScreenPolicyLocked() for details. |
| if (mDecoupleHalInteractiveModeFromDisplayConfig) { |
| // When becoming non-interactive, we want to defer sending this signal |
| // until the display is actually ready so that all transitions have |
| // completed. This is probably a good sign that things have gotten |
| // too tangled over here... |
| if (interactive || mDisplayReady) { |
| setHalInteractiveModeLocked(interactive); |
| } |
| } |
| |
| // Then release suspend blockers if needed. |
| if (!needWakeLockSuspendBlocker && mHoldingWakeLockSuspendBlocker) { |
| mWakeLockSuspendBlocker.release(); |
| mHoldingWakeLockSuspendBlocker = false; |
| } |
| if (!needDisplaySuspendBlocker && mHoldingDisplaySuspendBlocker) { |
| mDisplaySuspendBlocker.release(); |
| mHoldingDisplaySuspendBlocker = false; |
| } |
| |
| // Enable auto-suspend if needed. |
| if (autoSuspend && mDecoupleHalAutoSuspendModeFromDisplayConfig) { |
| setHalAutoSuspendModeLocked(true); |
| } |
| } |
| |
| /** |
| * Return true if we must keep a suspend blocker active on behalf of the display. |
| * We do so if the screen is on or is in transition between states. |
| */ |
| private boolean needDisplaySuspendBlockerLocked() { |
| if (!mDisplayReady) { |
| return true; |
| } |
| if (mDisplayPowerRequest.isBrightOrDim()) { |
| // If we asked for the screen to be on but it is off due to the proximity |
| // sensor then we may suspend but only if the configuration allows it. |
| // On some hardware it may not be safe to suspend because the proximity |
| // sensor may not be correctly configured as a wake-up source. |
| if (!mDisplayPowerRequest.useProximitySensor || !mProximityPositive |
| || !mSuspendWhenScreenOffDueToProximityConfig) { |
| return true; |
| } |
| } |
| if (mScreenBrightnessBoostInProgress) { |
| return true; |
| } |
| // Let the system suspend if the screen is off or dozing. |
| return false; |
| } |
| |
| private void setHalAutoSuspendModeLocked(boolean enable) { |
| if (enable != mHalAutoSuspendModeEnabled) { |
| if (DEBUG) { |
| Slog.d(TAG, "Setting HAL auto-suspend mode to " + enable); |
| } |
| mHalAutoSuspendModeEnabled = enable; |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "setHalAutoSuspend(" + enable + ")"); |
| try { |
| nativeSetAutoSuspend(enable); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| } |
| |
| private void setHalInteractiveModeLocked(boolean enable) { |
| if (enable != mHalInteractiveModeEnabled) { |
| if (DEBUG) { |
| Slog.d(TAG, "Setting HAL interactive mode to " + enable); |
| } |
| mHalInteractiveModeEnabled = enable; |
| Trace.traceBegin(Trace.TRACE_TAG_POWER, "setHalInteractive(" + enable + ")"); |
| try { |
| nativeSetInteractive(enable); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_POWER); |
| } |
| } |
| } |
| |
| private boolean isInteractiveInternal() { |
| synchronized (mLock) { |
| return PowerManagerInternal.isInteractive(mWakefulness); |
| } |
| } |
| |
| private boolean isLowPowerModeInternal() { |
| synchronized (mLock) { |
| return mLowPowerModeEnabled; |
| } |
| } |
| |
| private boolean setLowPowerModeInternal(boolean mode) { |
| synchronized (mLock) { |
| if (DEBUG) Slog.d(TAG, "setLowPowerModeInternal " + mode + " mIsPowered=" + mIsPowered); |
| if (mIsPowered) { |
| return false; |
| } |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.LOW_POWER_MODE, mode ? 1 : 0); |
| mLowPowerModeSetting = mode; |
| |
| if (mAutoLowPowerModeConfigured && mBatteryLevelLow) { |
| if (mode && mAutoLowPowerModeSnoozing) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "setLowPowerModeInternal: clearing low power mode snooze"); |
| } |
| mAutoLowPowerModeSnoozing = false; |
| } else if (!mode && !mAutoLowPowerModeSnoozing) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "setLowPowerModeInternal: snoozing low power mode"); |
| } |
| mAutoLowPowerModeSnoozing = true; |
| } |
| } |
| |
| updateLowPowerModeLocked(); |
| return true; |
| } |
| } |
| |
| boolean isDeviceIdleModeInternal() { |
| synchronized (mLock) { |
| return mDeviceIdleMode; |
| } |
| } |
| |
| boolean isLightDeviceIdleModeInternal() { |
| synchronized (mLock) { |
| return mLightDeviceIdleMode; |
| } |
| } |
| |
| private void handleBatteryStateChangedLocked() { |
| mDirty |= DIRTY_BATTERY_STATE; |
| updatePowerStateLocked(); |
| } |
| |
| private void shutdownOrRebootInternal(final @HaltMode int haltMode, final boolean confirm, |
| final String reason, boolean wait) { |
| if (mHandler == null || !mSystemReady) { |
| throw new IllegalStateException("Too early to call shutdown() or reboot()"); |
| } |
| |
| Runnable runnable = new Runnable() { |
| @Override |
| public void run() { |
| synchronized (this) { |
| if (haltMode == HALT_MODE_REBOOT_SAFE_MODE) { |
| ShutdownThread.rebootSafeMode(mContext, confirm); |
| } else if (haltMode == HALT_MODE_REBOOT) { |
| ShutdownThread.reboot(mContext, reason, confirm); |
| } else { |
| ShutdownThread.shutdown(mContext, reason, confirm); |
| } |
| } |
| } |
| }; |
| |
| // ShutdownThread must run on a looper capable of displaying the UI. |
| Message msg = Message.obtain(mHandler, runnable); |
| msg.setAsynchronous(true); |
| mHandler.sendMessage(msg); |
| |
| // PowerManager.reboot() is documented not to return so just wait for the inevitable. |
| if (wait) { |
| synchronized (runnable) { |
| while (true) { |
| try { |
| runnable.wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| } |
| } |
| |
| private void crashInternal(final String message) { |
| Thread t = new Thread("PowerManagerService.crash()") { |
| @Override |
| public void run() { |
| throw new RuntimeException(message); |
| } |
| }; |
| try { |
| t.start(); |
| t.join(); |
| } catch (InterruptedException e) { |
| Slog.wtf(TAG, e); |
| } |
| } |
| |
| void setStayOnSettingInternal(int val) { |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN, val); |
| } |
| |
| void setMaximumScreenOffTimeoutFromDeviceAdminInternal(int timeMs) { |
| synchronized (mLock) { |
| mMaximumScreenOffTimeoutFromDeviceAdmin = timeMs; |
| mDirty |= DIRTY_SETTINGS; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| boolean setDeviceIdleModeInternal(boolean enabled) { |
| synchronized (mLock) { |
| if (mDeviceIdleMode != enabled) { |
| mDeviceIdleMode = enabled; |
| updateWakeLockDisabledStatesLocked(); |
| if (enabled) { |
| EventLogTags.writeDeviceIdleOnPhase("power"); |
| } else { |
| EventLogTags.writeDeviceIdleOffPhase("power"); |
| } |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| boolean setLightDeviceIdleModeInternal(boolean enabled) { |
| synchronized (mLock) { |
| if (mLightDeviceIdleMode != enabled) { |
| mLightDeviceIdleMode = enabled; |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| void setDeviceIdleWhitelistInternal(int[] appids) { |
| synchronized (mLock) { |
| mDeviceIdleWhitelist = appids; |
| if (mDeviceIdleMode) { |
| updateWakeLockDisabledStatesLocked(); |
| } |
| } |
| } |
| |
| void setDeviceIdleTempWhitelistInternal(int[] appids) { |
| synchronized (mLock) { |
| mDeviceIdleTempWhitelist = appids; |
| if (mDeviceIdleMode) { |
| updateWakeLockDisabledStatesLocked(); |
| } |
| } |
| } |
| |
| void updateUidProcStateInternal(int uid, int procState) { |
| synchronized (mLock) { |
| mUidState.put(uid, procState); |
| if (mDeviceIdleMode) { |
| updateWakeLockDisabledStatesLocked(); |
| } |
| } |
| } |
| |
| void uidGoneInternal(int uid) { |
| synchronized (mLock) { |
| mUidState.delete(uid); |
| if (mDeviceIdleMode) { |
| updateWakeLockDisabledStatesLocked(); |
| } |
| } |
| } |
| |
| private void updateWakeLockDisabledStatesLocked() { |
| boolean changed = false; |
| final int numWakeLocks = mWakeLocks.size(); |
| for (int i = 0; i < numWakeLocks; i++) { |
| final WakeLock wakeLock = mWakeLocks.get(i); |
| if ((wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) |
| == PowerManager.PARTIAL_WAKE_LOCK) { |
| if (setWakeLockDisabledStateLocked(wakeLock)) { |
| changed = true; |
| if (wakeLock.mDisabled) { |
| // This wake lock is no longer being respected. |
| notifyWakeLockReleasedLocked(wakeLock); |
| } else { |
| notifyWakeLockAcquiredLocked(wakeLock); |
| } |
| } |
| } |
| } |
| if (changed) { |
| mDirty |= DIRTY_WAKE_LOCKS; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| private boolean setWakeLockDisabledStateLocked(WakeLock wakeLock) { |
| if ((wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) |
| == PowerManager.PARTIAL_WAKE_LOCK) { |
| boolean disabled = false; |
| if (mDeviceIdleMode) { |
| final int appid = UserHandle.getAppId(wakeLock.mOwnerUid); |
| // If we are in idle mode, we will ignore all partial wake locks that are |
| // for application uids that are not whitelisted. |
| if (appid >= Process.FIRST_APPLICATION_UID && |
| Arrays.binarySearch(mDeviceIdleWhitelist, appid) < 0 && |
| Arrays.binarySearch(mDeviceIdleTempWhitelist, appid) < 0 && |
| mUidState.get(wakeLock.mOwnerUid, |
| ActivityManager.PROCESS_STATE_CACHED_EMPTY) |
| > ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE) { |
| disabled = true; |
| } |
| } |
| if (wakeLock.mDisabled != disabled) { |
| wakeLock.mDisabled = disabled; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked() { |
| return mMaximumScreenOffTimeoutFromDeviceAdmin >= 0 |
| && mMaximumScreenOffTimeoutFromDeviceAdmin < Integer.MAX_VALUE; |
| } |
| |
| private void setAttentionLightInternal(boolean on, int color) { |
| Light light; |
| synchronized (mLock) { |
| if (!mSystemReady) { |
| return; |
| } |
| light = mAttentionLight; |
| } |
| |
| // Control light outside of lock. |
| light.setFlashing(color, Light.LIGHT_FLASH_HARDWARE, (on ? 3 : 0), 0); |
| } |
| |
| private void boostScreenBrightnessInternal(long eventTime, int uid) { |
| synchronized (mLock) { |
| if (!mSystemReady || mWakefulness == WAKEFULNESS_ASLEEP |
| || eventTime < mLastScreenBrightnessBoostTime) { |
| return; |
| } |
| |
| Slog.i(TAG, "Brightness boost activated (uid " + uid +")..."); |
| mLastScreenBrightnessBoostTime = eventTime; |
| if (!mScreenBrightnessBoostInProgress) { |
| mScreenBrightnessBoostInProgress = true; |
| mNotifier.onScreenBrightnessBoostChanged(); |
| } |
| mDirty |= DIRTY_SCREEN_BRIGHTNESS_BOOST; |
| |
| userActivityNoUpdateLocked(eventTime, |
| PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, uid); |
| updatePowerStateLocked(); |
| } |
| } |
| |
| private boolean isScreenBrightnessBoostedInternal() { |
| synchronized (mLock) { |
| return mScreenBrightnessBoostInProgress; |
| } |
| } |
| |
| /** |
| * Called when a screen brightness boost timeout has occurred. |
| * |
| * This function must have no other side-effects besides setting the dirty |
| * bit and calling update power state. |
| */ |
| private void handleScreenBrightnessBoostTimeout() { // runs on handler thread |
| synchronized (mLock) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "handleScreenBrightnessBoostTimeout"); |
| } |
| |
| mDirty |= DIRTY_SCREEN_BRIGHTNESS_BOOST; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| private void setScreenBrightnessOverrideFromWindowManagerInternal(int brightness) { |
| synchronized (mLock) { |
| if (mScreenBrightnessOverrideFromWindowManager != brightness) { |
| mScreenBrightnessOverrideFromWindowManager = brightness; |
| mDirty |= DIRTY_SETTINGS; |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private void setUserInactiveOverrideFromWindowManagerInternal() { |
| synchronized (mLock) { |
| mUserInactiveOverrideFromWindowManager = true; |
| mDirty |= DIRTY_USER_ACTIVITY; |
| updatePowerStateLocked(); |
| } |
| } |
| |
| private void setUserActivityTimeoutOverrideFromWindowManagerInternal(long timeoutMillis) { |
| synchronized (mLock) { |
| if (mUserActivityTimeoutOverrideFromWindowManager != timeoutMillis) { |
| mUserActivityTimeoutOverrideFromWindowManager = timeoutMillis; |
| mDirty |= DIRTY_SETTINGS; |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private void setTemporaryScreenBrightnessSettingOverrideInternal(int brightness) { |
| synchronized (mLock) { |
| if (mTemporaryScreenBrightnessSettingOverride != brightness) { |
| mTemporaryScreenBrightnessSettingOverride = brightness; |
| mDirty |= DIRTY_SETTINGS; |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private void setTemporaryScreenAutoBrightnessAdjustmentSettingOverrideInternal(float adj) { |
| synchronized (mLock) { |
| // Note: This condition handles NaN because NaN is not equal to any other |
| // value, including itself. |
| if (mTemporaryScreenAutoBrightnessAdjustmentSettingOverride != adj) { |
| mTemporaryScreenAutoBrightnessAdjustmentSettingOverride = adj; |
| mDirty |= DIRTY_SETTINGS; |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private void setDozeOverrideFromDreamManagerInternal( |
| int screenState, int screenBrightness) { |
| synchronized (mLock) { |
| if (mDozeScreenStateOverrideFromDreamManager != screenState |
| || mDozeScreenBrightnessOverrideFromDreamManager != screenBrightness) { |
| mDozeScreenStateOverrideFromDreamManager = screenState; |
| mDozeScreenBrightnessOverrideFromDreamManager = screenBrightness; |
| mDirty |= DIRTY_SETTINGS; |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| |
| private void powerHintInternal(int hintId, int data) { |
| nativeSendPowerHint(hintId, data); |
| } |
| |
| /** |
| * Low-level function turn the device off immediately, without trying |
| * to be clean. Most people should use {@link ShutdownThread} for a clean shutdown. |
| * |
| * @param reason code to pass to android_reboot() (e.g. "userrequested"), or null. |
| */ |
| public static void lowLevelShutdown(String reason) { |
| if (reason == null) { |
| reason = ""; |
| } |
| SystemProperties.set("sys.powerctl", "shutdown," + reason); |
| } |
| |
| /** |
| * Low-level function to reboot the device. On success, this |
| * function doesn't return. If more than 20 seconds passes from |
| * the time a reboot is requested, this method returns. |
| * |
| * @param reason code to pass to the kernel (e.g. "recovery"), or null. |
| */ |
| public static void lowLevelReboot(String reason) { |
| if (reason == null) { |
| reason = ""; |
| } |
| if (reason.equals(PowerManager.REBOOT_RECOVERY) |
| || reason.equals(PowerManager.REBOOT_RECOVERY_UPDATE)) { |
| SystemProperties.set("sys.powerctl", "reboot,recovery"); |
| } else { |
| SystemProperties.set("sys.powerctl", "reboot," + reason); |
| } |
| try { |
| Thread.sleep(20 * 1000L); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| Slog.wtf(TAG, "Unexpected return from lowLevelReboot!"); |
| } |
| |
| @Override // Watchdog.Monitor implementation |
| public void monitor() { |
| // Grab and release lock for watchdog monitor to detect deadlocks. |
| synchronized (mLock) { |
| } |
| } |
| |
| private void dumpInternal(PrintWriter pw) { |
| pw.println("POWER MANAGER (dumpsys power)\n"); |
| |
| final WirelessChargerDetector wcd; |
| synchronized (mLock) { |
| pw.println("Power Manager State:"); |
| pw.println(" mDirty=0x" + Integer.toHexString(mDirty)); |
| pw.println(" mWakefulness=" + PowerManagerInternal.wakefulnessToString(mWakefulness)); |
| pw.println(" mWakefulnessChanging=" + mWakefulnessChanging); |
| pw.println(" mIsPowered=" + mIsPowered); |
| pw.println(" mPlugType=" + mPlugType); |
| pw.println(" mBatteryLevel=" + mBatteryLevel); |
| pw.println(" mBatteryLevelWhenDreamStarted=" + mBatteryLevelWhenDreamStarted); |
| pw.println(" mDockState=" + mDockState); |
| pw.println(" mStayOn=" + mStayOn); |
| pw.println(" mProximityPositive=" + mProximityPositive); |
| pw.println(" mBootCompleted=" + mBootCompleted); |
| pw.println(" mSystemReady=" + mSystemReady); |
| pw.println(" mHalAutoSuspendModeEnabled=" + mHalAutoSuspendModeEnabled); |
| pw.println(" mHalInteractiveModeEnabled=" + mHalInteractiveModeEnabled); |
| pw.println(" mWakeLockSummary=0x" + Integer.toHexString(mWakeLockSummary)); |
| pw.println(" mUserActivitySummary=0x" + Integer.toHexString(mUserActivitySummary)); |
| pw.println(" mRequestWaitForNegativeProximity=" + mRequestWaitForNegativeProximity); |
| pw.println(" mSandmanScheduled=" + mSandmanScheduled); |
| pw.println(" mSandmanSummoned=" + mSandmanSummoned); |
| pw.println(" mLowPowerModeEnabled=" + mLowPowerModeEnabled); |
| pw.println(" mBatteryLevelLow=" + mBatteryLevelLow); |
| pw.println(" mLightDeviceIdleMode=" + mLightDeviceIdleMode); |
| pw.println(" mDeviceIdleMode=" + mDeviceIdleMode); |
| pw.println(" mDeviceIdleWhitelist=" + Arrays.toString(mDeviceIdleWhitelist)); |
| pw.println(" mDeviceIdleTempWhitelist=" + Arrays.toString(mDeviceIdleTempWhitelist)); |
| pw.println(" mLastWakeTime=" + TimeUtils.formatUptime(mLastWakeTime)); |
| pw.println(" mLastSleepTime=" + TimeUtils.formatUptime(mLastSleepTime)); |
| pw.println(" mLastUserActivityTime=" + TimeUtils.formatUptime(mLastUserActivityTime)); |
| pw.println(" mLastUserActivityTimeNoChangeLights=" |
| + TimeUtils.formatUptime(mLastUserActivityTimeNoChangeLights)); |
| pw.println(" mLastInteractivePowerHintTime=" |
| + TimeUtils.formatUptime(mLastInteractivePowerHintTime)); |
| pw.println(" mLastScreenBrightnessBoostTime=" |
| + TimeUtils.formatUptime(mLastScreenBrightnessBoostTime)); |
| pw.println(" mScreenBrightnessBoostInProgress=" |
| + mScreenBrightnessBoostInProgress); |
| pw.println(" mDisplayReady=" + mDisplayReady); |
| pw.println(" mHoldingWakeLockSuspendBlocker=" + mHoldingWakeLockSuspendBlocker); |
| pw.println(" mHoldingDisplaySuspendBlocker=" + mHoldingDisplaySuspendBlocker); |
| |
| pw.println(); |
| pw.println("Settings and Configuration:"); |
| pw.println(" mDecoupleHalAutoSuspendModeFromDisplayConfig=" |
| + mDecoupleHalAutoSuspendModeFromDisplayConfig); |
| pw.println(" mDecoupleHalInteractiveModeFromDisplayConfig=" |
| + mDecoupleHalInteractiveModeFromDisplayConfig); |
| pw.println(" mWakeUpWhenPluggedOrUnpluggedConfig=" |
| + mWakeUpWhenPluggedOrUnpluggedConfig); |
| pw.println(" mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig=" |
| + mWakeUpWhenPluggedOrUnpluggedInTheaterModeConfig); |
| pw.println(" mTheaterModeEnabled=" |
| + mTheaterModeEnabled); |
| pw.println(" mSuspendWhenScreenOffDueToProximityConfig=" |
| + mSuspendWhenScreenOffDueToProximityConfig); |
| pw.println(" mDreamsSupportedConfig=" + mDreamsSupportedConfig); |
| pw.println(" mDreamsEnabledByDefaultConfig=" + mDreamsEnabledByDefaultConfig); |
| pw.println(" mDreamsActivatedOnSleepByDefaultConfig=" |
| + mDreamsActivatedOnSleepByDefaultConfig); |
| pw.println(" mDreamsActivatedOnDockByDefaultConfig=" |
| + mDreamsActivatedOnDockByDefaultConfig); |
| pw.println(" mDreamsEnabledOnBatteryConfig=" |
| + mDreamsEnabledOnBatteryConfig); |
| pw.println(" mDreamsBatteryLevelMinimumWhenPoweredConfig=" |
| + mDreamsBatteryLevelMinimumWhenPoweredConfig); |
| pw.println(" mDreamsBatteryLevelMinimumWhenNotPoweredConfig=" |
| + mDreamsBatteryLevelMinimumWhenNotPoweredConfig); |
| pw.println(" mDreamsBatteryLevelDrainCutoffConfig=" |
| + mDreamsBatteryLevelDrainCutoffConfig); |
| pw.println(" mDreamsEnabledSetting=" + mDreamsEnabledSetting); |
| pw.println(" mDreamsActivateOnSleepSetting=" + mDreamsActivateOnSleepSetting); |
| pw.println(" mDreamsActivateOnDockSetting=" + mDreamsActivateOnDockSetting); |
| pw.println(" mDozeAfterScreenOffConfig=" + mDozeAfterScreenOffConfig); |
| pw.println(" mLowPowerModeSetting=" + mLowPowerModeSetting); |
| pw.println(" mAutoLowPowerModeConfigured=" + mAutoLowPowerModeConfigured); |
| pw.println(" mAutoLowPowerModeSnoozing=" + mAutoLowPowerModeSnoozing); |
| pw.println(" mMinimumScreenOffTimeoutConfig=" + mMinimumScreenOffTimeoutConfig); |
| pw.println(" mMaximumScreenDimDurationConfig=" + mMaximumScreenDimDurationConfig); |
| pw.println(" mMaximumScreenDimRatioConfig=" + mMaximumScreenDimRatioConfig); |
| pw.println(" mScreenOffTimeoutSetting=" + mScreenOffTimeoutSetting); |
| pw.println(" mSleepTimeoutSetting=" + mSleepTimeoutSetting); |
| pw.println(" mMaximumScreenOffTimeoutFromDeviceAdmin=" |
| + mMaximumScreenOffTimeoutFromDeviceAdmin + " (enforced=" |
| + isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked() + ")"); |
| pw.println(" mStayOnWhilePluggedInSetting=" + mStayOnWhilePluggedInSetting); |
| pw.println(" mScreenBrightnessSetting=" + mScreenBrightnessSetting); |
| pw.println(" mScreenAutoBrightnessAdjustmentSetting=" |
| + mScreenAutoBrightnessAdjustmentSetting); |
| pw.println(" mScreenBrightnessModeSetting=" + mScreenBrightnessModeSetting); |
| pw.println(" mScreenBrightnessOverrideFromWindowManager=" |
| + mScreenBrightnessOverrideFromWindowManager); |
| pw.println(" mUserActivityTimeoutOverrideFromWindowManager=" |
| + mUserActivityTimeoutOverrideFromWindowManager); |
| pw.println(" mUserInactiveOverrideFromWindowManager=" |
| + mUserInactiveOverrideFromWindowManager); |
| pw.println(" mTemporaryScreenBrightnessSettingOverride=" |
| + mTemporaryScreenBrightnessSettingOverride); |
| pw.println(" mTemporaryScreenAutoBrightnessAdjustmentSettingOverride=" |
| + mTemporaryScreenAutoBrightnessAdjustmentSettingOverride); |
| pw.println(" mDozeScreenStateOverrideFromDreamManager=" |
| + mDozeScreenStateOverrideFromDreamManager); |
| pw.println(" mDozeScreenBrightnessOverrideFromDreamManager=" |
| + mDozeScreenBrightnessOverrideFromDreamManager); |
| pw.println(" mScreenBrightnessSettingMinimum=" + mScreenBrightnessSettingMinimum); |
| pw.println(" mScreenBrightnessSettingMaximum=" + mScreenBrightnessSettingMaximum); |
| pw.println(" mScreenBrightnessSettingDefault=" + mScreenBrightnessSettingDefault); |
| pw.println(" mDoubleTapWakeEnabled=" + mDoubleTapWakeEnabled); |
| |
| final int sleepTimeout = getSleepTimeoutLocked(); |
| final int screenOffTimeout = getScreenOffTimeoutLocked(sleepTimeout); |
| final int screenDimDuration = getScreenDimDurationLocked(screenOffTimeout); |
| pw.println(); |
| pw.println("Sleep timeout: " + sleepTimeout + " ms"); |
| pw.println("Screen off timeout: " + screenOffTimeout + " ms"); |
| pw.println("Screen dim duration: " + screenDimDuration + " ms"); |
| |
| pw.println(); |
| pw.println("UID states:"); |
| for (int i=0; i<mUidState.size(); i++) { |
| pw.print(" UID "); UserHandle.formatUid(pw, mUidState.keyAt(i)); |
| pw.print(": "); pw.println(mUidState.valueAt(i)); |
| } |
| |
| pw.println(); |
| pw.println("Wake Locks: size=" + mWakeLocks.size()); |
| for (WakeLock wl : mWakeLocks) { |
| pw.println(" " + wl); |
| } |
| |
| pw.println(); |
| pw.println("Suspend Blockers: size=" + mSuspendBlockers.size()); |
| for (SuspendBlocker sb : mSuspendBlockers) { |
| pw.println(" " + sb); |
| } |
| |
| pw.println(); |
| pw.println("Display Power: " + mDisplayPowerCallbacks); |
| |
| wcd = mWirelessChargerDetector; |
| } |
| |
| if (wcd != null) { |
| wcd.dump(pw); |
| } |
| } |
| |
| private SuspendBlocker createSuspendBlockerLocked(String name) { |
| SuspendBlocker suspendBlocker = new SuspendBlockerImpl(name); |
| mSuspendBlockers.add(suspendBlocker); |
| return suspendBlocker; |
| } |
| |
| private void incrementBootCount() { |
| synchronized (mLock) { |
| int count; |
| try { |
| count = Settings.Global.getInt( |
| getContext().getContentResolver(), Settings.Global.BOOT_COUNT); |
| } catch (SettingNotFoundException e) { |
| count = 0; |
| } |
| Settings.Global.putInt( |
| getContext().getContentResolver(), Settings.Global.BOOT_COUNT, count + 1); |
| } |
| } |
| |
| private static WorkSource copyWorkSource(WorkSource workSource) { |
| return workSource != null ? new WorkSource(workSource) : null; |
| } |
| |
| private final class BatteryReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| handleBatteryStateChangedLocked(); |
| } |
| } |
| } |
| |
| private final class DreamReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| scheduleSandmanLocked(); |
| } |
| } |
| } |
| |
| private final class UserSwitchedReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| handleSettingsChangedLocked(); |
| } |
| } |
| } |
| |
| private final class DockReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, |
| Intent.EXTRA_DOCK_STATE_UNDOCKED); |
| if (mDockState != dockState) { |
| mDockState = dockState; |
| mDirty |= DIRTY_DOCK_STATE; |
| updatePowerStateLocked(); |
| } |
| } |
| } |
| } |
| |
| private final class SettingsObserver extends ContentObserver { |
| public SettingsObserver(Handler handler) { |
| super(handler); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| synchronized (mLock) { |
| handleSettingsChangedLocked(); |
| } |
| } |
| } |
| |
| private final IVrStateCallbacks mVrStateCallbacks = new IVrStateCallbacks.Stub() { |
| @Override |
| public void onVrStateChanged(boolean enabled) { |
| powerHintInternal(POWER_HINT_VR_MODE, enabled ? 1 : 0); |
| } |
| }; |
| |
| /** |
| * Handler for asynchronous operations performed by the power manager. |
| */ |
| private final class PowerManagerHandler extends Handler { |
| public PowerManagerHandler(Looper looper) { |
| super(looper, null, true /*async*/); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_USER_ACTIVITY_TIMEOUT: |
| handleUserActivityTimeout(); |
| break; |
| case MSG_SANDMAN: |
| handleSandman(); |
| break; |
| case MSG_SCREEN_BRIGHTNESS_BOOST_TIMEOUT: |
| handleScreenBrightnessBoostTimeout(); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Represents a wake lock that has been acquired by an application. |
| */ |
| private final class WakeLock implements IBinder.DeathRecipient { |
| public final IBinder mLock; |
| public int mFlags; |
| public String mTag; |
| public final String mPackageName; |
| public WorkSource mWorkSource; |
| public String mHistoryTag; |
| public final int mOwnerUid; |
| public final int mOwnerPid; |
| public boolean mNotifiedAcquired; |
| public boolean mDisabled; |
| |
| public WakeLock(IBinder lock, int flags, String tag, String packageName, |
| WorkSource workSource, String historyTag, int ownerUid, int ownerPid) { |
| mLock = lock; |
| mFlags = flags; |
| mTag = tag; |
| mPackageName = packageName; |
| mWorkSource = copyWorkSource(workSource); |
| mHistoryTag = historyTag; |
| mOwnerUid = ownerUid; |
| mOwnerPid = ownerPid; |
| } |
| |
| @Override |
| public void binderDied() { |
| PowerManagerService.this.handleWakeLockDeath(this); |
| } |
| |
| public boolean hasSameProperties(int flags, String tag, WorkSource workSource, |
| int ownerUid, int ownerPid) { |
| return mFlags == flags |
| && mTag.equals(tag) |
| && hasSameWorkSource(workSource) |
| && mOwnerUid == ownerUid |
| && mOwnerPid == ownerPid; |
| } |
| |
| public void updateProperties(int flags, String tag, String packageName, |
| WorkSource workSource, String historyTag, int ownerUid, int ownerPid) { |
| if (!mPackageName.equals(packageName)) { |
| throw new IllegalStateException("Existing wake lock package name changed: " |
| + mPackageName + " to " + packageName); |
| } |
| if (mOwnerUid != ownerUid) { |
| throw new IllegalStateException("Existing wake lock uid changed: " |
| + mOwnerUid + " to " + ownerUid); |
| } |
| if (mOwnerPid != ownerPid) { |
| throw new IllegalStateException("Existing wake lock pid changed: " |
| + mOwnerPid + " to " + ownerPid); |
| } |
| mFlags = flags; |
| mTag = tag; |
| updateWorkSource(workSource); |
| mHistoryTag = historyTag; |
| } |
| |
| public boolean hasSameWorkSource(WorkSource workSource) { |
| return Objects.equal(mWorkSource, workSource); |
| } |
| |
| public void updateWorkSource(WorkSource workSource) { |
| mWorkSource = copyWorkSource(workSource); |
| } |
| |
| @Override |
| public String toString() { |
| return getLockLevelString() |
| + " '" + mTag + "'" + getLockFlagsString() + (mDisabled ? " DISABLED" : "") |
| + " (uid=" + mOwnerUid + ", pid=" + mOwnerPid + ", ws=" + mWorkSource + ")"; |
| } |
| |
| @SuppressWarnings("deprecation") |
| private String getLockLevelString() { |
| switch (mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) { |
| case PowerManager.FULL_WAKE_LOCK: |
| return "FULL_WAKE_LOCK "; |
| case PowerManager.SCREEN_BRIGHT_WAKE_LOCK: |
| return "SCREEN_BRIGHT_WAKE_LOCK "; |
| case PowerManager.SCREEN_DIM_WAKE_LOCK: |
| return "SCREEN_DIM_WAKE_LOCK "; |
| case PowerManager.PARTIAL_WAKE_LOCK: |
| return "PARTIAL_WAKE_LOCK "; |
| case PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK: |
| return "PROXIMITY_SCREEN_OFF_WAKE_LOCK"; |
| case PowerManager.DOZE_WAKE_LOCK: |
| return "DOZE_WAKE_LOCK "; |
| case PowerManager.DRAW_WAKE_LOCK: |
| return "DRAW_WAKE_LOCK "; |
| default: |
| return "??? "; |
| } |
| } |
| |
| private String getLockFlagsString() { |
| String result = ""; |
| if ((mFlags & PowerManager.ACQUIRE_CAUSES_WAKEUP) != 0) { |
| result += " ACQUIRE_CAUSES_WAKEUP"; |
| } |
| if ((mFlags & PowerManager.ON_AFTER_RELEASE) != 0) { |
| result += " ON_AFTER_RELEASE"; |
| } |
| return result; |
| } |
| } |
| |
| private final class SuspendBlockerImpl implements SuspendBlocker { |
| private final String mName; |
| private final String mTraceName; |
| private int mReferenceCount; |
| |
| public SuspendBlockerImpl(String name) { |
| mName = name; |
| mTraceName = "SuspendBlocker (" + name + ")"; |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (mReferenceCount != 0) { |
| Slog.wtf(TAG, "Suspend blocker \"" + mName |
| + "\" was finalized without being released!"); |
| mReferenceCount = 0; |
| nativeReleaseSuspendBlocker(mName); |
| Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0); |
| } |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| @Override |
| public void acquire() { |
| synchronized (this) { |
| mReferenceCount += 1; |
| if (mReferenceCount == 1) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "Acquiring suspend blocker \"" + mName + "\"."); |
| } |
| Trace.asyncTraceBegin(Trace.TRACE_TAG_POWER, mTraceName, 0); |
| nativeAcquireSuspendBlocker(mName); |
| } |
| } |
| } |
| |
| @Override |
| public void release() { |
| synchronized (this) { |
| mReferenceCount -= 1; |
| if (mReferenceCount == 0) { |
| if (DEBUG_SPEW) { |
| Slog.d(TAG, "Releasing suspend blocker \"" + mName + "\"."); |
| } |
| nativeReleaseSuspendBlocker(mName); |
| Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0); |
| } else if (mReferenceCount < 0) { |
| Slog.wtf(TAG, "Suspend blocker \"" + mName |
| + "\" was released without being acquired!", new Throwable()); |
| mReferenceCount = 0; |
| } |
| } |
| } |
| |
| @Override |
| public String toString() { |
| synchronized (this) { |
| return mName + ": ref count=" + mReferenceCount; |
| } |
| } |
| } |
| |
| private final class BinderService extends IPowerManager.Stub { |
| @Override // Binder call |
| public void acquireWakeLockWithUid(IBinder lock, int flags, String tag, |
| String packageName, int uid) { |
| if (uid < 0) { |
| uid = Binder.getCallingUid(); |
| } |
| acquireWakeLock(lock, flags, tag, packageName, new WorkSource(uid), null); |
| } |
| |
| @Override // Binder call |
| public void powerHint(int hintId, int data) { |
| if (!mSystemReady) { |
| // Service not ready yet, so who the heck cares about power hints, bah. |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null); |
| powerHintInternal(hintId, data); |
| } |
| |
| @Override // Binder call |
| public void acquireWakeLock(IBinder lock, int flags, String tag, String packageName, |
| WorkSource ws, String historyTag) { |
| if (lock == null) { |
| throw new IllegalArgumentException("lock must not be null"); |
| } |
| if (packageName == null) { |
| throw new IllegalArgumentException("packageName must not be null"); |
| } |
| PowerManager.validateWakeLockParameters(flags, tag); |
| |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| if ((flags & PowerManager.DOZE_WAKE_LOCK) != 0) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| } |
| if (ws != null && ws.size() != 0) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.UPDATE_DEVICE_STATS, null); |
| } else { |
| ws = null; |
| } |
| |
| final int uid = Binder.getCallingUid(); |
| final int pid = Binder.getCallingPid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| acquireWakeLockInternal(lock, flags, tag, packageName, ws, historyTag, uid, pid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void releaseWakeLock(IBinder lock, int flags) { |
| if (lock == null) { |
| throw new IllegalArgumentException("lock must not be null"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| releaseWakeLockInternal(lock, flags); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void updateWakeLockUids(IBinder lock, int[] uids) { |
| WorkSource ws = null; |
| |
| if (uids != null) { |
| ws = new WorkSource(); |
| // XXX should WorkSource have a way to set uids as an int[] instead of adding them |
| // one at a time? |
| for (int i = 0; i < uids.length; i++) { |
| ws.add(uids[i]); |
| } |
| } |
| updateWakeLockWorkSource(lock, ws, null); |
| } |
| |
| @Override // Binder call |
| public void updateWakeLockWorkSource(IBinder lock, WorkSource ws, String historyTag) { |
| if (lock == null) { |
| throw new IllegalArgumentException("lock must not be null"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| if (ws != null && ws.size() != 0) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.UPDATE_DEVICE_STATS, null); |
| } else { |
| ws = null; |
| } |
| |
| final int callingUid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| updateWakeLockWorkSourceInternal(lock, ws, historyTag, callingUid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean isWakeLockLevelSupported(int level) { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return isWakeLockLevelSupportedInternal(level); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void userActivity(long eventTime, int event, int flags) { |
| final long now = SystemClock.uptimeMillis(); |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER) |
| != PackageManager.PERMISSION_GRANTED |
| && mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.USER_ACTIVITY) |
| != PackageManager.PERMISSION_GRANTED) { |
| // Once upon a time applications could call userActivity(). |
| // Now we require the DEVICE_POWER permission. Log a warning and ignore the |
| // request instead of throwing a SecurityException so we don't break old apps. |
| synchronized (mLock) { |
| if (now >= mLastWarningAboutUserActivityPermission + (5 * 60 * 1000)) { |
| mLastWarningAboutUserActivityPermission = now; |
| Slog.w(TAG, "Ignoring call to PowerManager.userActivity() because the " |
| + "caller does not have DEVICE_POWER or USER_ACTIVITY " |
| + "permission. Please fix your app! " |
| + " pid=" + Binder.getCallingPid() |
| + " uid=" + Binder.getCallingUid()); |
| } |
| } |
| return; |
| } |
| |
| if (eventTime > now) { |
| throw new IllegalArgumentException("event time must not be in the future"); |
| } |
| |
| final int uid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| userActivityInternal(eventTime, event, flags, uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void wakeUp(long eventTime, String reason, String opPackageName) { |
| if (eventTime > SystemClock.uptimeMillis()) { |
| throw new IllegalArgumentException("event time must not be in the future"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final int uid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| wakeUpInternal(eventTime, reason, uid, opPackageName, uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void goToSleep(long eventTime, int reason, int flags) { |
| if (eventTime > SystemClock.uptimeMillis()) { |
| throw new IllegalArgumentException("event time must not be in the future"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final int uid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| goToSleepInternal(eventTime, reason, flags, uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void nap(long eventTime) { |
| if (eventTime > SystemClock.uptimeMillis()) { |
| throw new IllegalArgumentException("event time must not be in the future"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final int uid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| napInternal(eventTime, uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean isInteractive() { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return isInteractiveInternal(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean isPowerSaveMode() { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return isLowPowerModeInternal(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean setPowerSaveMode(boolean mode) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return setLowPowerModeInternal(mode); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean isDeviceIdleMode() { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return isDeviceIdleModeInternal(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean isLightDeviceIdleMode() { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return isLightDeviceIdleModeInternal(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Reboots the device. |
| * |
| * @param confirm If true, shows a reboot confirmation dialog. |
| * @param reason The reason for the reboot, or null if none. |
| * @param wait If true, this call waits for the reboot to complete and does not return. |
| */ |
| @Override // Binder call |
| public void reboot(boolean confirm, String reason, boolean wait) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.REBOOT, null); |
| if (PowerManager.REBOOT_RECOVERY.equals(reason) |
| || PowerManager.REBOOT_RECOVERY_UPDATE.equals(reason)) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RECOVERY, null); |
| } |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| shutdownOrRebootInternal(HALT_MODE_REBOOT, confirm, reason, wait); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Reboots the device into safe mode |
| * |
| * @param confirm If true, shows a reboot confirmation dialog. |
| * @param wait If true, this call waits for the reboot to complete and does not return. |
| */ |
| @Override // Binder call |
| public void rebootSafeMode(boolean confirm, boolean wait) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.REBOOT, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| shutdownOrRebootInternal(HALT_MODE_REBOOT_SAFE_MODE, confirm, |
| PowerManager.REBOOT_SAFE_MODE, wait); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Shuts down the device. |
| * |
| * @param confirm If true, shows a shutdown confirmation dialog. |
| * @param wait If true, this call waits for the shutdown to complete and does not return. |
| */ |
| @Override // Binder call |
| public void shutdown(boolean confirm, String reason, boolean wait) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.REBOOT, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| shutdownOrRebootInternal(HALT_MODE_SHUTDOWN, confirm, reason, wait); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Crash the runtime (causing a complete restart of the Android framework). |
| * Requires REBOOT permission. Mostly for testing. Should not return. |
| */ |
| @Override // Binder call |
| public void crash(String message) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.REBOOT, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| crashInternal(message); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Set the setting that determines whether the device stays on when plugged in. |
| * The argument is a bit string, with each bit specifying a power source that, |
| * when the device is connected to that source, causes the device to stay on. |
| * See {@link android.os.BatteryManager} for the list of power sources that |
| * can be specified. Current values include |
| * {@link android.os.BatteryManager#BATTERY_PLUGGED_AC} |
| * and {@link android.os.BatteryManager#BATTERY_PLUGGED_USB} |
| * |
| * Used by "adb shell svc power stayon ..." |
| * |
| * @param val an {@code int} containing the bits that specify which power sources |
| * should cause the device to stay on. |
| */ |
| @Override // Binder call |
| public void setStayOnSetting(int val) { |
| int uid = Binder.getCallingUid(); |
| // if uid is of root's, we permit this operation straight away |
| if (uid != Process.ROOT_UID) { |
| if (!Settings.checkAndNoteWriteSettingsOperation(mContext, uid, |
| Settings.getPackageNameForUid(mContext, uid), true)) { |
| return; |
| } |
| } |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| setStayOnSettingInternal(val); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Used by the settings application and brightness control widgets to |
| * temporarily override the current screen brightness setting so that the |
| * user can observe the effect of an intended settings change without applying |
| * it immediately. |
| * |
| * The override will be canceled when the setting value is next updated. |
| * |
| * @param brightness The overridden brightness. |
| * |
| * @see android.provider.Settings.System#SCREEN_BRIGHTNESS |
| */ |
| @Override // Binder call |
| public void setTemporaryScreenBrightnessSettingOverride(int brightness) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| setTemporaryScreenBrightnessSettingOverrideInternal(brightness); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Used by the settings application and brightness control widgets to |
| * temporarily override the current screen auto-brightness adjustment setting so that the |
| * user can observe the effect of an intended settings change without applying |
| * it immediately. |
| * |
| * The override will be canceled when the setting value is next updated. |
| * |
| * @param adj The overridden brightness, or Float.NaN to disable the override. |
| * |
| * @see android.provider.Settings.System#SCREEN_AUTO_BRIGHTNESS_ADJ |
| */ |
| @Override // Binder call |
| public void setTemporaryScreenAutoBrightnessAdjustmentSettingOverride(float adj) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| setTemporaryScreenAutoBrightnessAdjustmentSettingOverrideInternal(adj); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Used by the phone application to make the attention LED flash when ringing. |
| */ |
| @Override // Binder call |
| public void setAttentionLight(boolean on, int color) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| setAttentionLightInternal(on, color); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public void boostScreenBrightness(long eventTime) { |
| if (eventTime > SystemClock.uptimeMillis()) { |
| throw new IllegalArgumentException("event time must not be in the future"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.DEVICE_POWER, null); |
| |
| final int uid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| boostScreenBrightnessInternal(eventTime, uid); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean isScreenBrightnessBoosted() { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return isScreenBrightnessBoostedInternal(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override // Binder call |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump PowerManager from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| dumpInternal(pw); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| private final class LocalService extends PowerManagerInternal { |
| @Override |
| public void setScreenBrightnessOverrideFromWindowManager(int screenBrightness) { |
| if (screenBrightness < PowerManager.BRIGHTNESS_DEFAULT |
| || screenBrightness > PowerManager.BRIGHTNESS_ON) { |
| screenBrightness = PowerManager.BRIGHTNESS_DEFAULT; |
| } |
| setScreenBrightnessOverrideFromWindowManagerInternal(screenBrightness); |
| } |
| |
| @Override |
| public void setButtonBrightnessOverrideFromWindowManager(int screenBrightness) { |
| // Do nothing. |
| // Button lights are not currently supported in the new implementation. |
| } |
| |
| @Override |
| public void setDozeOverrideFromDreamManager(int screenState, int screenBrightness) { |
| switch (screenState) { |
| case Display.STATE_UNKNOWN: |
| case Display.STATE_OFF: |
| case Display.STATE_DOZE: |
| case Display.STATE_DOZE_SUSPEND: |
| case Display.STATE_ON: |
| break; |
| default: |
| screenState = Display.STATE_UNKNOWN; |
| break; |
| } |
| if (screenBrightness < PowerManager.BRIGHTNESS_DEFAULT |
| || screenBrightness > PowerManager.BRIGHTNESS_ON) { |
| screenBrightness = PowerManager.BRIGHTNESS_DEFAULT; |
| } |
| setDozeOverrideFromDreamManagerInternal(screenState, screenBrightness); |
| } |
| |
| @Override |
| public void setUserInactiveOverrideFromWindowManager() { |
| setUserInactiveOverrideFromWindowManagerInternal(); |
| } |
| |
| @Override |
| public void setUserActivityTimeoutOverrideFromWindowManager(long timeoutMillis) { |
| setUserActivityTimeoutOverrideFromWindowManagerInternal(timeoutMillis); |
| } |
| |
| @Override |
| public void setMaximumScreenOffTimeoutFromDeviceAdmin(int timeMs) { |
| setMaximumScreenOffTimeoutFromDeviceAdminInternal(timeMs); |
| } |
| |
| @Override |
| public boolean getLowPowerModeEnabled() { |
| synchronized (mLock) { |
| return mLowPowerModeEnabled; |
| } |
| } |
| |
| @Override |
| public void registerLowPowerModeObserver(LowPowerModeListener listener) { |
| synchronized (mLock) { |
| mLowPowerModeListeners.add(listener); |
| } |
| } |
| |
| @Override |
| public boolean setDeviceIdleMode(boolean enabled) { |
| return setDeviceIdleModeInternal(enabled); |
| } |
| |
| @Override |
| public boolean setLightDeviceIdleMode(boolean enabled) { |
| return setLightDeviceIdleModeInternal(enabled); |
| } |
| |
| @Override |
| public void setDeviceIdleWhitelist(int[] appids) { |
| setDeviceIdleWhitelistInternal(appids); |
| } |
| |
| @Override |
| public void setDeviceIdleTempWhitelist(int[] appids) { |
| setDeviceIdleTempWhitelistInternal(appids); |
| } |
| |
| @Override |
| public void updateUidProcState(int uid, int procState) { |
| updateUidProcStateInternal(uid, procState); |
| } |
| |
| @Override |
| public void uidGone(int uid) { |
| uidGoneInternal(uid); |
| } |
| |
| @Override |
| public void powerHint(int hintId, int data) { |
| powerHintInternal(hintId, data); |
| } |
| } |
| } |