| /* |
| * Copyright (C) 2016 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.systemui.statusbar.policy; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.BatteryManager; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.PowerManager; |
| import android.os.PowerSaveState; |
| import android.util.Log; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settingslib.fuelgauge.BatterySaverUtils; |
| import com.android.settingslib.fuelgauge.Estimate; |
| import com.android.settingslib.utils.PowerUtil; |
| import com.android.systemui.broadcast.BroadcastDispatcher; |
| import com.android.systemui.dagger.qualifiers.Background; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.power.EnhancedEstimates; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Default implementation of a {@link BatteryController}. This controller monitors for battery |
| * level change events that are broadcasted by the system. |
| */ |
| @Singleton |
| public class BatteryControllerImpl extends BroadcastReceiver implements BatteryController { |
| private static final String TAG = "BatteryController"; |
| |
| private static final String ACTION_LEVEL_TEST = "com.android.systemui.BATTERY_LEVEL_TEST"; |
| |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| |
| private final EnhancedEstimates mEstimates; |
| private final BroadcastDispatcher mBroadcastDispatcher; |
| private final ArrayList<BatteryController.BatteryStateChangeCallback> |
| mChangeCallbacks = new ArrayList<>(); |
| private final ArrayList<EstimateFetchCompletion> mFetchCallbacks = new ArrayList<>(); |
| private final PowerManager mPowerManager; |
| private final Handler mMainHandler; |
| private final Handler mBgHandler; |
| private final Context mContext; |
| |
| private int mLevel; |
| private boolean mPluggedIn; |
| private boolean mCharging; |
| private boolean mCharged; |
| private boolean mPowerSave; |
| private boolean mAodPowerSave; |
| private boolean mTestmode = false; |
| private boolean mHasReceivedBattery = false; |
| private Estimate mEstimate; |
| private boolean mFetchingEstimate = false; |
| |
| @VisibleForTesting |
| @Inject |
| BatteryControllerImpl(Context context, EnhancedEstimates enhancedEstimates, |
| PowerManager powerManager, BroadcastDispatcher broadcastDispatcher, |
| @Main Handler mainHandler, @Background Handler bgHandler) { |
| mContext = context; |
| mMainHandler = mainHandler; |
| mBgHandler = bgHandler; |
| mPowerManager = powerManager; |
| mEstimates = enhancedEstimates; |
| mBroadcastDispatcher = broadcastDispatcher; |
| |
| registerReceiver(); |
| updatePowerSave(); |
| updateEstimate(); |
| } |
| |
| private void registerReceiver() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED); |
| filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING); |
| filter.addAction(ACTION_LEVEL_TEST); |
| mBroadcastDispatcher.registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("BatteryController state:"); |
| pw.print(" mLevel="); pw.println(mLevel); |
| pw.print(" mPluggedIn="); pw.println(mPluggedIn); |
| pw.print(" mCharging="); pw.println(mCharging); |
| pw.print(" mCharged="); pw.println(mCharged); |
| pw.print(" mPowerSave="); pw.println(mPowerSave); |
| } |
| |
| @Override |
| public void setPowerSaveMode(boolean powerSave) { |
| BatterySaverUtils.setPowerSaveMode(mContext, powerSave, /*needFirstTimeWarning*/ true); |
| } |
| |
| @Override |
| public void addCallback(BatteryController.BatteryStateChangeCallback cb) { |
| synchronized (mChangeCallbacks) { |
| mChangeCallbacks.add(cb); |
| } |
| if (!mHasReceivedBattery) return; |
| cb.onBatteryLevelChanged(mLevel, mPluggedIn, mCharging); |
| cb.onPowerSaveChanged(mPowerSave); |
| } |
| |
| @Override |
| public void removeCallback(BatteryController.BatteryStateChangeCallback cb) { |
| synchronized (mChangeCallbacks) { |
| mChangeCallbacks.remove(cb); |
| } |
| } |
| |
| @Override |
| public void onReceive(final Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
| if (mTestmode && !intent.getBooleanExtra("testmode", false)) return; |
| mHasReceivedBattery = true; |
| mLevel = (int)(100f |
| * intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0) |
| / intent.getIntExtra(BatteryManager.EXTRA_SCALE, 100)); |
| mPluggedIn = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0; |
| |
| final int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, |
| BatteryManager.BATTERY_STATUS_UNKNOWN); |
| mCharged = status == BatteryManager.BATTERY_STATUS_FULL; |
| mCharging = mCharged || status == BatteryManager.BATTERY_STATUS_CHARGING; |
| |
| fireBatteryLevelChanged(); |
| } else if (action.equals(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED)) { |
| updatePowerSave(); |
| } else if (action.equals(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING)) { |
| setPowerSave(intent.getBooleanExtra(PowerManager.EXTRA_POWER_SAVE_MODE, false)); |
| } else if (action.equals(ACTION_LEVEL_TEST)) { |
| mTestmode = true; |
| mMainHandler.post(new Runnable() { |
| int curLevel = 0; |
| int incr = 1; |
| int saveLevel = mLevel; |
| boolean savePlugged = mPluggedIn; |
| Intent dummy = new Intent(Intent.ACTION_BATTERY_CHANGED); |
| @Override |
| public void run() { |
| if (curLevel < 0) { |
| mTestmode = false; |
| dummy.putExtra("level", saveLevel); |
| dummy.putExtra("plugged", savePlugged); |
| dummy.putExtra("testmode", false); |
| } else { |
| dummy.putExtra("level", curLevel); |
| dummy.putExtra("plugged", incr > 0 ? BatteryManager.BATTERY_PLUGGED_AC |
| : 0); |
| dummy.putExtra("testmode", true); |
| } |
| context.sendBroadcast(dummy); |
| |
| if (!mTestmode) return; |
| |
| curLevel += incr; |
| if (curLevel == 100) { |
| incr *= -1; |
| } |
| mMainHandler.postDelayed(this, 200); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public boolean isPowerSave() { |
| return mPowerSave; |
| } |
| |
| @Override |
| public boolean isAodPowerSave() { |
| return mAodPowerSave; |
| } |
| |
| @Override |
| public void getEstimatedTimeRemainingString(EstimateFetchCompletion completion) { |
| // Need to fetch or refresh the estimate, but it may involve binder calls so offload the |
| // work |
| synchronized (mFetchCallbacks) { |
| mFetchCallbacks.add(completion); |
| } |
| updateEstimateInBackground(); |
| } |
| |
| @Nullable |
| private String generateTimeRemainingString() { |
| synchronized (mFetchCallbacks) { |
| if (mEstimate == null) { |
| return null; |
| } |
| |
| return PowerUtil.getBatteryRemainingShortStringFormatted( |
| mContext, mEstimate.getEstimateMillis()); |
| } |
| } |
| |
| private void updateEstimateInBackground() { |
| if (mFetchingEstimate) { |
| // Already dispatched a fetch. It will notify all listeners when finished |
| return; |
| } |
| |
| mFetchingEstimate = true; |
| mBgHandler.post(() -> { |
| // Only fetch the estimate if they are enabled |
| synchronized (mFetchCallbacks) { |
| mEstimate = null; |
| if (mEstimates.isHybridNotificationEnabled()) { |
| updateEstimate(); |
| } |
| } |
| mFetchingEstimate = false; |
| mMainHandler.post(this::notifyEstimateFetchCallbacks); |
| }); |
| } |
| |
| private void notifyEstimateFetchCallbacks() { |
| synchronized (mFetchCallbacks) { |
| String estimate = generateTimeRemainingString(); |
| for (EstimateFetchCompletion completion : mFetchCallbacks) { |
| completion.onBatteryRemainingEstimateRetrieved(estimate); |
| } |
| |
| mFetchCallbacks.clear(); |
| } |
| } |
| |
| private void updateEstimate() { |
| // if the estimate has been cached we can just use that, otherwise get a new one and |
| // throw it in the cache. |
| mEstimate = Estimate.getCachedEstimateIfAvailable(mContext); |
| if (mEstimate == null) { |
| mEstimate = mEstimates.getEstimate(); |
| if (mEstimate != null) { |
| Estimate.storeCachedEstimate(mContext, mEstimate); |
| } |
| } |
| } |
| |
| private void updatePowerSave() { |
| setPowerSave(mPowerManager.isPowerSaveMode()); |
| } |
| |
| private void setPowerSave(boolean powerSave) { |
| if (powerSave == mPowerSave) return; |
| mPowerSave = powerSave; |
| |
| // AOD power saving setting might be different from PowerManager power saving mode. |
| PowerSaveState state = mPowerManager.getPowerSaveState(PowerManager.ServiceType.AOD); |
| mAodPowerSave = state.batterySaverEnabled; |
| |
| if (DEBUG) Log.d(TAG, "Power save is " + (mPowerSave ? "on" : "off")); |
| firePowerSaveChanged(); |
| } |
| |
| protected void fireBatteryLevelChanged() { |
| synchronized (mChangeCallbacks) { |
| final int N = mChangeCallbacks.size(); |
| for (int i = 0; i < N; i++) { |
| mChangeCallbacks.get(i).onBatteryLevelChanged(mLevel, mPluggedIn, mCharging); |
| } |
| } |
| } |
| |
| private void firePowerSaveChanged() { |
| synchronized (mChangeCallbacks) { |
| final int N = mChangeCallbacks.size(); |
| for (int i = 0; i < N; i++) { |
| mChangeCallbacks.get(i).onPowerSaveChanged(mPowerSave); |
| } |
| } |
| } |
| |
| private boolean mDemoMode; |
| |
| @Override |
| public void dispatchDemoCommand(String command, Bundle args) { |
| if (!mDemoMode && command.equals(COMMAND_ENTER)) { |
| mDemoMode = true; |
| mBroadcastDispatcher.unregisterReceiver(this); |
| } else if (mDemoMode && command.equals(COMMAND_EXIT)) { |
| mDemoMode = false; |
| registerReceiver(); |
| updatePowerSave(); |
| } else if (mDemoMode && command.equals(COMMAND_BATTERY)) { |
| String level = args.getString("level"); |
| String plugged = args.getString("plugged"); |
| String powerSave = args.getString("powersave"); |
| if (level != null) { |
| mLevel = Math.min(Math.max(Integer.parseInt(level), 0), 100); |
| } |
| if (plugged != null) { |
| mPluggedIn = Boolean.parseBoolean(plugged); |
| } |
| if (powerSave != null) { |
| mPowerSave = powerSave.equals("true"); |
| firePowerSaveChanged(); |
| } |
| fireBatteryLevelChanged(); |
| } |
| } |
| } |