Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.display; |
| 18 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 19 | import com.android.internal.util.IndentingPrintWriter; |
| 20 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 21 | import android.Manifest; |
| 22 | import android.content.Context; |
| 23 | import android.content.pm.PackageManager; |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 24 | import android.hardware.SensorManager; |
Jeff Brown | 7d00aff | 2013-08-02 19:03:49 -0700 | [diff] [blame] | 25 | import android.hardware.display.DisplayManager; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 26 | import android.hardware.display.DisplayManagerGlobal; |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 27 | import android.hardware.display.DisplayManagerInternal; |
| 28 | import android.hardware.display.DisplayViewport; |
| 29 | import android.hardware.display.DisplayManagerInternal.DisplayTransactionListener; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 30 | import android.hardware.display.IDisplayManager; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 31 | import android.hardware.display.IDisplayManagerCallback; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 32 | import android.hardware.display.WifiDisplayStatus; |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 33 | import android.hardware.input.InputManagerInternal; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 34 | import android.os.Binder; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 35 | import android.os.Handler; |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 36 | import android.os.IBinder; |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 37 | import android.os.IBinder.DeathRecipient; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 38 | import android.os.Looper; |
| 39 | import android.os.Message; |
Craig Mautner | 4504de5 | 2013-12-20 09:06:56 -0800 | [diff] [blame] | 40 | import android.os.Process; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 41 | import android.os.RemoteException; |
| 42 | import android.os.SystemClock; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 43 | import android.os.SystemProperties; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 44 | import android.text.TextUtils; |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 45 | import android.util.Log; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 46 | import android.util.Slog; |
| 47 | import android.util.SparseArray; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 48 | import android.view.Display; |
| 49 | import android.view.DisplayInfo; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 50 | import android.view.Surface; |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 51 | import android.view.WindowManagerInternal; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 52 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 53 | import com.android.server.DisplayThread; |
| 54 | import com.android.server.LocalServices; |
| 55 | import com.android.server.SystemService; |
Dianne Hackborn | 8d044e8 | 2013-04-30 17:24:15 -0700 | [diff] [blame] | 56 | import com.android.server.UiThread; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 57 | |
| 58 | import java.io.FileDescriptor; |
| 59 | import java.io.PrintWriter; |
| 60 | import java.util.ArrayList; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 61 | import java.util.Arrays; |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 62 | import java.util.concurrent.CopyOnWriteArrayList; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 63 | |
| 64 | /** |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 65 | * Manages attached displays. |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 66 | * <p> |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 67 | * The {@link DisplayManagerService} manages the global lifecycle of displays, |
| 68 | * decides how to configure logical displays based on the physical display devices currently |
| 69 | * attached, sends notifications to the system and to applications when the state |
| 70 | * changes, and so on. |
| 71 | * </p><p> |
| 72 | * The display manager service relies on a collection of {@link DisplayAdapter} components, |
| 73 | * for discovering and configuring physical display devices attached to the system. |
| 74 | * There are separate display adapters for each manner that devices are attached: |
| 75 | * one display adapter for built-in local displays, one for simulated non-functional |
| 76 | * displays when the system is headless, one for simulated overlay displays used for |
| 77 | * development, one for wifi displays, etc. |
| 78 | * </p><p> |
| 79 | * Display adapters are only weakly coupled to the display manager service. |
| 80 | * Display adapters communicate changes in display device state to the display manager |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 81 | * service asynchronously via a {@link DisplayAdapter.Listener} registered |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 82 | * by the display manager service. This separation of concerns is important for |
| 83 | * two main reasons. First, it neatly encapsulates the responsibilities of these |
| 84 | * two classes: display adapters handle individual display devices whereas |
| 85 | * the display manager service handles the global state. Second, it eliminates |
| 86 | * the potential for deadlocks resulting from asynchronous display device discovery. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 87 | * </p> |
| 88 | * |
| 89 | * <h3>Synchronization</h3> |
| 90 | * <p> |
| 91 | * Because the display manager may be accessed by multiple threads, the synchronization |
| 92 | * story gets a little complicated. In particular, the window manager may call into |
| 93 | * the display manager while holding a surface transaction with the expectation that |
| 94 | * it can apply changes immediately. Unfortunately, that means we can't just do |
| 95 | * everything asynchronously (*grump*). |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 96 | * </p><p> |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 97 | * To make this work, all of the objects that belong to the display manager must |
| 98 | * use the same lock. We call this lock the synchronization root and it has a unique |
| 99 | * type {@link DisplayManagerService.SyncRoot}. Methods that require this lock are |
| 100 | * named with the "Locked" suffix. |
| 101 | * </p><p> |
| 102 | * Where things get tricky is that the display manager is not allowed to make |
| 103 | * any potentially reentrant calls, especially into the window manager. We generally |
| 104 | * avoid this by making all potentially reentrant out-calls asynchronous. |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 105 | * </p> |
| 106 | */ |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 107 | public final class DisplayManagerService extends SystemService { |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 108 | private static final String TAG = "DisplayManagerService"; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 109 | private static final boolean DEBUG = false; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 110 | |
Jeff Brown | bbd28a2 | 2012-09-20 16:47:15 -0700 | [diff] [blame] | 111 | // When this system property is set to 0, WFD is forcibly disabled on boot. |
| 112 | // When this system property is set to 1, WFD is forcibly enabled on boot. |
| 113 | // Otherwise WFD is enabled according to the value of config_enableWifiDisplay. |
| 114 | private static final String FORCE_WIFI_DISPLAY_ENABLE = "persist.debug.wfd.enable"; |
| 115 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 116 | private static final long WAIT_FOR_DEFAULT_DISPLAY_TIMEOUT = 10000; |
| 117 | |
| 118 | private static final int MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER = 1; |
| 119 | private static final int MSG_REGISTER_ADDITIONAL_DISPLAY_ADAPTERS = 2; |
| 120 | private static final int MSG_DELIVER_DISPLAY_EVENT = 3; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 121 | private static final int MSG_REQUEST_TRAVERSAL = 4; |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 122 | private static final int MSG_UPDATE_VIEWPORT = 5; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 123 | |
Jeff Brown | b880d88 | 2014-02-10 19:47:07 -0800 | [diff] [blame] | 124 | private final Context mContext; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 125 | private final DisplayManagerHandler mHandler; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 126 | private final Handler mUiHandler; |
| 127 | private final DisplayAdapterListener mDisplayAdapterListener; |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 128 | private WindowManagerInternal mWindowManagerInternal; |
| 129 | private InputManagerInternal mInputManagerInternal; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 130 | |
| 131 | // The synchronization root for the display manager. |
| 132 | // This lock guards most of the display manager's state. |
Craig Mautner | 0bf6ec9 | 2012-12-18 08:33:27 -0800 | [diff] [blame] | 133 | // NOTE: This is synchronized on while holding WindowManagerService.mWindowMap so never call |
| 134 | // into WindowManagerService methods that require mWindowMap while holding this unless you are |
| 135 | // very very sure that no deadlock can occur. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 136 | private final SyncRoot mSyncRoot = new SyncRoot(); |
| 137 | |
| 138 | // True if in safe mode. |
| 139 | // This option may disable certain display adapters. |
| 140 | public boolean mSafeMode; |
| 141 | |
| 142 | // True if we are in a special boot mode where only core applications and |
| 143 | // services should be started. This option may disable certain display adapters. |
| 144 | public boolean mOnlyCore; |
| 145 | |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 146 | // True if the display manager service should pretend there is only one display |
| 147 | // and only tell applications about the existence of the default logical display. |
| 148 | // The display manager can still mirror content to secondary displays but applications |
| 149 | // cannot present unique content on those displays. |
| 150 | // Used for demonstration purposes only. |
| 151 | private final boolean mSingleDisplayDemoMode; |
| 152 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 153 | // All callback records indexed by calling process id. |
| 154 | public final SparseArray<CallbackRecord> mCallbacks = |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 155 | new SparseArray<CallbackRecord>(); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 156 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 157 | // List of all currently registered display adapters. |
| 158 | private final ArrayList<DisplayAdapter> mDisplayAdapters = new ArrayList<DisplayAdapter>(); |
| 159 | |
| 160 | // List of all currently connected display devices. |
| 161 | private final ArrayList<DisplayDevice> mDisplayDevices = new ArrayList<DisplayDevice>(); |
| 162 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 163 | // List of all logical displays indexed by logical display id. |
| 164 | private final SparseArray<LogicalDisplay> mLogicalDisplays = |
| 165 | new SparseArray<LogicalDisplay>(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 166 | private int mNextNonDefaultDisplayId = Display.DEFAULT_DISPLAY + 1; |
| 167 | |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 168 | // List of all display transaction listeners. |
| 169 | private final CopyOnWriteArrayList<DisplayTransactionListener> mDisplayTransactionListeners = |
| 170 | new CopyOnWriteArrayList<DisplayTransactionListener>(); |
| 171 | |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 172 | // Display power controller. |
| 173 | private DisplayPowerController mDisplayPowerController; |
| 174 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 175 | // The overall display state, independent of changes that might influence one |
| 176 | // display or another in particular. |
| 177 | private int mGlobalDisplayState = Display.STATE_UNKNOWN; |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 178 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 179 | // Set to true when there are pending display changes that have yet to be applied |
| 180 | // to the surface flinger state. |
| 181 | private boolean mPendingTraversal; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 182 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 183 | // The Wifi display adapter, or null if not registered. |
| 184 | private WifiDisplayAdapter mWifiDisplayAdapter; |
| 185 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 186 | // The number of active wifi display scan requests. |
| 187 | private int mWifiDisplayScanRequestCount; |
| 188 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 189 | // The virtual display adapter, or null if not registered. |
| 190 | private VirtualDisplayAdapter mVirtualDisplayAdapter; |
| 191 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 192 | // Viewports of the default display and the display that should receive touch |
| 193 | // input from an external source. Used by the input system. |
| 194 | private final DisplayViewport mDefaultViewport = new DisplayViewport(); |
| 195 | private final DisplayViewport mExternalTouchViewport = new DisplayViewport(); |
| 196 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 197 | // Persistent data store for all internal settings maintained by the display manager service. |
| 198 | private final PersistentDataStore mPersistentDataStore = new PersistentDataStore(); |
| 199 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 200 | // Temporary callback list, used when sending display events to applications. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 201 | // May be used outside of the lock but only on the handler thread. |
| 202 | private final ArrayList<CallbackRecord> mTempCallbacks = new ArrayList<CallbackRecord>(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 203 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 204 | // Temporary display info, used for comparing display configurations. |
| 205 | private final DisplayInfo mTempDisplayInfo = new DisplayInfo(); |
| 206 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 207 | // Temporary viewports, used when sending new viewport information to the |
| 208 | // input system. May be used outside of the lock but only on the handler thread. |
| 209 | private final DisplayViewport mTempDefaultViewport = new DisplayViewport(); |
| 210 | private final DisplayViewport mTempExternalTouchViewport = new DisplayViewport(); |
| 211 | |
Jeff Brown | b880d88 | 2014-02-10 19:47:07 -0800 | [diff] [blame] | 212 | public DisplayManagerService(Context context) { |
| 213 | super(context); |
| 214 | mContext = context; |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 215 | mHandler = new DisplayManagerHandler(DisplayThread.get().getLooper()); |
Dianne Hackborn | 8d044e8 | 2013-04-30 17:24:15 -0700 | [diff] [blame] | 216 | mUiHandler = UiThread.getHandler(); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 217 | mDisplayAdapterListener = new DisplayAdapterListener(); |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 218 | mSingleDisplayDemoMode = SystemProperties.getBoolean("persist.demo.singledisplay", false); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 219 | } |
| 220 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 221 | @Override |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 222 | public void onStart() { |
| 223 | mHandler.sendEmptyMessage(MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER); |
| 224 | |
| 225 | publishBinderService(Context.DISPLAY_SERVICE, new BinderService(), |
| 226 | true /*allowIsolated*/); |
| 227 | publishLocalService(DisplayManagerInternal.class, new LocalService()); |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public void onBootPhase(int phase) { |
| 232 | if (phase == PHASE_WAIT_FOR_DEFAULT_DISPLAY) { |
| 233 | synchronized (mSyncRoot) { |
| 234 | long timeout = SystemClock.uptimeMillis() + WAIT_FOR_DEFAULT_DISPLAY_TIMEOUT; |
| 235 | while (mLogicalDisplays.get(Display.DEFAULT_DISPLAY) == null) { |
| 236 | long delay = timeout - SystemClock.uptimeMillis(); |
| 237 | if (delay <= 0) { |
| 238 | throw new RuntimeException("Timeout waiting for default display " |
| 239 | + "to be initialized."); |
| 240 | } |
| 241 | if (DEBUG) { |
| 242 | Slog.d(TAG, "waitForDefaultDisplay: waiting, timeout=" + delay); |
| 243 | } |
| 244 | try { |
| 245 | mSyncRoot.wait(delay); |
| 246 | } catch (InterruptedException ex) { |
| 247 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 248 | } |
| 249 | } |
| 250 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 251 | } |
| 252 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 253 | // TODO: Use dependencies or a boot phase |
| 254 | public void windowManagerAndInputReady() { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 255 | synchronized (mSyncRoot) { |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 256 | mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class); |
| 257 | mInputManagerInternal = LocalServices.getService(InputManagerInternal.class); |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 258 | scheduleTraversalLocked(false); |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 259 | } |
| 260 | } |
| 261 | |
| 262 | /** |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 263 | * Called when the system is ready to go. |
| 264 | */ |
| 265 | public void systemReady(boolean safeMode, boolean onlyCore) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 266 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 267 | mSafeMode = safeMode; |
| 268 | mOnlyCore = onlyCore; |
| 269 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 270 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 271 | mHandler.sendEmptyMessage(MSG_REGISTER_ADDITIONAL_DISPLAY_ADAPTERS); |
| 272 | } |
| 273 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 274 | private void registerDisplayTransactionListenerInternal( |
| 275 | DisplayTransactionListener listener) { |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 276 | // List is self-synchronized copy-on-write. |
| 277 | mDisplayTransactionListeners.add(listener); |
| 278 | } |
| 279 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 280 | private void unregisterDisplayTransactionListenerInternal( |
| 281 | DisplayTransactionListener listener) { |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 282 | // List is self-synchronized copy-on-write. |
| 283 | mDisplayTransactionListeners.remove(listener); |
| 284 | } |
| 285 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 286 | private void setDisplayInfoOverrideFromWindowManagerInternal( |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 287 | int displayId, DisplayInfo info) { |
| 288 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 289 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 290 | if (display != null) { |
Jeff Brown | ef981a4 | 2013-08-07 14:13:37 -0700 | [diff] [blame] | 291 | if (display.setDisplayInfoOverrideFromWindowManagerLocked(info)) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 292 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_CHANGED); |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 293 | scheduleTraversalLocked(false); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 294 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | } |
| 298 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 299 | private void performTraversalInTransactionFromWindowManagerInternal() { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 300 | synchronized (mSyncRoot) { |
| 301 | if (!mPendingTraversal) { |
| 302 | return; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 303 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 304 | mPendingTraversal = false; |
| 305 | |
| 306 | performTraversalInTransactionLocked(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 307 | } |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 308 | |
| 309 | // List is self-synchronized copy-on-write. |
| 310 | for (DisplayTransactionListener listener : mDisplayTransactionListeners) { |
| 311 | listener.onDisplayTransaction(); |
| 312 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 313 | } |
| 314 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 315 | private void requestGlobalDisplayStateInternal(int state) { |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 316 | synchronized (mSyncRoot) { |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 317 | if (mGlobalDisplayState != state) { |
| 318 | mGlobalDisplayState = state; |
| 319 | updateGlobalDisplayStateLocked(); |
Jeff Brown | 8ec0943 | 2012-10-16 16:19:23 -0700 | [diff] [blame] | 320 | scheduleTraversalLocked(false); |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 325 | private DisplayInfo getDisplayInfoInternal(int displayId, int callingUid) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 326 | synchronized (mSyncRoot) { |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 327 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
| 328 | if (display != null) { |
| 329 | DisplayInfo info = display.getDisplayInfoLocked(); |
| 330 | if (info.hasAccess(callingUid)) { |
| 331 | return info; |
| 332 | } |
| 333 | } |
| 334 | return null; |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | private int[] getDisplayIdsInternal(int callingUid) { |
| 339 | synchronized (mSyncRoot) { |
| 340 | final int count = mLogicalDisplays.size(); |
| 341 | int[] displayIds = new int[count]; |
| 342 | int n = 0; |
| 343 | for (int i = 0; i < count; i++) { |
| 344 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 345 | DisplayInfo info = display.getDisplayInfoLocked(); |
| 346 | if (info.hasAccess(callingUid)) { |
| 347 | displayIds[n++] = mLogicalDisplays.keyAt(i); |
| 348 | } |
| 349 | } |
| 350 | if (n != count) { |
| 351 | displayIds = Arrays.copyOfRange(displayIds, 0, n); |
| 352 | } |
| 353 | return displayIds; |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | private void registerCallbackInternal(IDisplayManagerCallback callback, int callingPid) { |
| 358 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 359 | if (mCallbacks.get(callingPid) != null) { |
| 360 | throw new SecurityException("The calling process has already " |
| 361 | + "registered an IDisplayManagerCallback."); |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 362 | } |
| 363 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 364 | CallbackRecord record = new CallbackRecord(callingPid, callback); |
| 365 | try { |
| 366 | IBinder binder = callback.asBinder(); |
| 367 | binder.linkToDeath(record, 0); |
| 368 | } catch (RemoteException ex) { |
| 369 | // give up |
| 370 | throw new RuntimeException(ex); |
| 371 | } |
| 372 | |
| 373 | mCallbacks.put(callingPid, record); |
| 374 | } |
| 375 | } |
| 376 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 377 | private void onCallbackDied(CallbackRecord record) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 378 | synchronized (mSyncRoot) { |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 379 | mCallbacks.remove(record.mPid); |
| 380 | stopWifiDisplayScanLocked(record); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 381 | } |
| 382 | } |
| 383 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 384 | private void startWifiDisplayScanInternal(int callingPid) { |
| 385 | synchronized (mSyncRoot) { |
| 386 | CallbackRecord record = mCallbacks.get(callingPid); |
| 387 | if (record == null) { |
| 388 | throw new IllegalStateException("The calling process has not " |
| 389 | + "registered an IDisplayManagerCallback."); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 390 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 391 | startWifiDisplayScanLocked(record); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 392 | } |
| 393 | } |
| 394 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 395 | private void startWifiDisplayScanLocked(CallbackRecord record) { |
| 396 | if (!record.mWifiDisplayScanRequested) { |
| 397 | record.mWifiDisplayScanRequested = true; |
| 398 | if (mWifiDisplayScanRequestCount++ == 0) { |
| 399 | if (mWifiDisplayAdapter != null) { |
| 400 | mWifiDisplayAdapter.requestStartScanLocked(); |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 406 | private void stopWifiDisplayScanInternal(int callingPid) { |
| 407 | synchronized (mSyncRoot) { |
| 408 | CallbackRecord record = mCallbacks.get(callingPid); |
| 409 | if (record == null) { |
| 410 | throw new IllegalStateException("The calling process has not " |
| 411 | + "registered an IDisplayManagerCallback."); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 412 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 413 | stopWifiDisplayScanLocked(record); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 414 | } |
| 415 | } |
| 416 | |
| 417 | private void stopWifiDisplayScanLocked(CallbackRecord record) { |
| 418 | if (record.mWifiDisplayScanRequested) { |
| 419 | record.mWifiDisplayScanRequested = false; |
| 420 | if (--mWifiDisplayScanRequestCount == 0) { |
| 421 | if (mWifiDisplayAdapter != null) { |
| 422 | mWifiDisplayAdapter.requestStopScanLocked(); |
| 423 | } |
| 424 | } else if (mWifiDisplayScanRequestCount < 0) { |
| 425 | Log.wtf(TAG, "mWifiDisplayScanRequestCount became negative: " |
| 426 | + mWifiDisplayScanRequestCount); |
| 427 | mWifiDisplayScanRequestCount = 0; |
| 428 | } |
| 429 | } |
| 430 | } |
| 431 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 432 | private void connectWifiDisplayInternal(String address) { |
| 433 | synchronized (mSyncRoot) { |
| 434 | if (mWifiDisplayAdapter != null) { |
| 435 | mWifiDisplayAdapter.requestConnectLocked(address); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 436 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 437 | } |
| 438 | } |
| 439 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 440 | private void pauseWifiDisplayInternal() { |
| 441 | synchronized (mSyncRoot) { |
| 442 | if (mWifiDisplayAdapter != null) { |
| 443 | mWifiDisplayAdapter.requestPauseLocked(); |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 444 | } |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 445 | } |
| 446 | } |
| 447 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 448 | private void resumeWifiDisplayInternal() { |
| 449 | synchronized (mSyncRoot) { |
| 450 | if (mWifiDisplayAdapter != null) { |
| 451 | mWifiDisplayAdapter.requestResumeLocked(); |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 452 | } |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 453 | } |
| 454 | } |
| 455 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 456 | private void disconnectWifiDisplayInternal() { |
| 457 | synchronized (mSyncRoot) { |
| 458 | if (mWifiDisplayAdapter != null) { |
| 459 | mWifiDisplayAdapter.requestDisconnectLocked(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 460 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 461 | } |
| 462 | } |
| 463 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 464 | private void renameWifiDisplayInternal(String address, String alias) { |
| 465 | synchronized (mSyncRoot) { |
| 466 | if (mWifiDisplayAdapter != null) { |
| 467 | mWifiDisplayAdapter.requestRenameLocked(address, alias); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 468 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 469 | } |
| 470 | } |
| 471 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 472 | private void forgetWifiDisplayInternal(String address) { |
| 473 | synchronized (mSyncRoot) { |
| 474 | if (mWifiDisplayAdapter != null) { |
| 475 | mWifiDisplayAdapter.requestForgetLocked(address); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 476 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 477 | } |
| 478 | } |
| 479 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 480 | private WifiDisplayStatus getWifiDisplayStatusInternal() { |
| 481 | synchronized (mSyncRoot) { |
| 482 | if (mWifiDisplayAdapter != null) { |
| 483 | return mWifiDisplayAdapter.getWifiDisplayStatusLocked(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 484 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 485 | return new WifiDisplayStatus(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 486 | } |
| 487 | } |
| 488 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 489 | private int createVirtualDisplayInternal(IBinder appToken, int callingUid, String packageName, |
Jeff Brown | 7d00aff | 2013-08-02 19:03:49 -0700 | [diff] [blame] | 490 | String name, int width, int height, int densityDpi, Surface surface, int flags) { |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 491 | synchronized (mSyncRoot) { |
| 492 | if (mVirtualDisplayAdapter == null) { |
| 493 | Slog.w(TAG, "Rejecting request to create private virtual display " |
| 494 | + "because the virtual display adapter is not available."); |
| 495 | return -1; |
Jeff Brown | 7d00aff | 2013-08-02 19:03:49 -0700 | [diff] [blame] | 496 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 497 | |
| 498 | DisplayDevice device = mVirtualDisplayAdapter.createVirtualDisplayLocked( |
| 499 | appToken, callingUid, packageName, name, width, height, densityDpi, |
| 500 | surface, flags); |
| 501 | if (device == null) { |
| 502 | return -1; |
Jeff Brown | 7d00aff | 2013-08-02 19:03:49 -0700 | [diff] [blame] | 503 | } |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 504 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 505 | handleDisplayDeviceAddedLocked(device); |
| 506 | LogicalDisplay display = findLogicalDisplayForDeviceLocked(device); |
| 507 | if (display != null) { |
| 508 | return display.getDisplayIdLocked(); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 509 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 510 | |
| 511 | // Something weird happened and the logical display was not created. |
| 512 | Slog.w(TAG, "Rejecting request to create virtual display " |
| 513 | + "because the logical display was not created."); |
| 514 | mVirtualDisplayAdapter.releaseVirtualDisplayLocked(appToken); |
| 515 | handleDisplayDeviceRemovedLocked(device); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 516 | } |
| 517 | return -1; |
| 518 | } |
| 519 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 520 | private void releaseVirtualDisplayInternal(IBinder appToken) { |
| 521 | synchronized (mSyncRoot) { |
| 522 | if (mVirtualDisplayAdapter == null) { |
| 523 | return; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 524 | } |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 525 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 526 | DisplayDevice device = |
| 527 | mVirtualDisplayAdapter.releaseVirtualDisplayLocked(appToken); |
| 528 | if (device != null) { |
| 529 | handleDisplayDeviceRemovedLocked(device); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 530 | } |
| 531 | } |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 532 | } |
| 533 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 534 | private void registerDefaultDisplayAdapter() { |
| 535 | // Register default display adapter. |
| 536 | synchronized (mSyncRoot) { |
Mike Lockwood | e63f6f7 | 2013-11-15 11:01:47 -0800 | [diff] [blame] | 537 | registerDisplayAdapterLocked(new LocalDisplayAdapter( |
| 538 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener)); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 539 | } |
| 540 | } |
| 541 | |
| 542 | private void registerAdditionalDisplayAdapters() { |
| 543 | synchronized (mSyncRoot) { |
| 544 | if (shouldRegisterNonEssentialDisplayAdaptersLocked()) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 545 | registerOverlayDisplayAdapterLocked(); |
| 546 | registerWifiDisplayAdapterLocked(); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 547 | registerVirtualDisplayAdapterLocked(); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 548 | } |
| 549 | } |
| 550 | } |
| 551 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 552 | private void registerOverlayDisplayAdapterLocked() { |
| 553 | registerDisplayAdapterLocked(new OverlayDisplayAdapter( |
| 554 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener, mUiHandler)); |
| 555 | } |
| 556 | |
| 557 | private void registerWifiDisplayAdapterLocked() { |
| 558 | if (mContext.getResources().getBoolean( |
Jeff Brown | bbd28a2 | 2012-09-20 16:47:15 -0700 | [diff] [blame] | 559 | com.android.internal.R.bool.config_enableWifiDisplay) |
| 560 | || SystemProperties.getInt(FORCE_WIFI_DISPLAY_ENABLE, -1) == 1) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 561 | mWifiDisplayAdapter = new WifiDisplayAdapter( |
| 562 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener, |
| 563 | mPersistentDataStore); |
| 564 | registerDisplayAdapterLocked(mWifiDisplayAdapter); |
| 565 | } |
| 566 | } |
| 567 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 568 | private void registerVirtualDisplayAdapterLocked() { |
| 569 | mVirtualDisplayAdapter = new VirtualDisplayAdapter( |
| 570 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener); |
| 571 | registerDisplayAdapterLocked(mVirtualDisplayAdapter); |
| 572 | } |
| 573 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 574 | private boolean shouldRegisterNonEssentialDisplayAdaptersLocked() { |
| 575 | // In safe mode, we disable non-essential display adapters to give the user |
| 576 | // an opportunity to fix broken settings or other problems that might affect |
| 577 | // system stability. |
| 578 | // In only-core mode, we disable non-essential display adapters to minimize |
| 579 | // the number of dependencies that are started while in this mode and to |
| 580 | // prevent problems that might occur due to the device being encrypted. |
| 581 | return !mSafeMode && !mOnlyCore; |
| 582 | } |
| 583 | |
| 584 | private void registerDisplayAdapterLocked(DisplayAdapter adapter) { |
| 585 | mDisplayAdapters.add(adapter); |
| 586 | adapter.registerLocked(); |
| 587 | } |
| 588 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 589 | private void handleDisplayDeviceAdded(DisplayDevice device) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 590 | synchronized (mSyncRoot) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 591 | handleDisplayDeviceAddedLocked(device); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 592 | } |
| 593 | } |
| 594 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 595 | private void handleDisplayDeviceAddedLocked(DisplayDevice device) { |
| 596 | if (mDisplayDevices.contains(device)) { |
| 597 | Slog.w(TAG, "Attempted to add already added display device: " |
| 598 | + device.getDisplayDeviceInfoLocked()); |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | Slog.i(TAG, "Display device added: " + device.getDisplayDeviceInfoLocked()); |
| 603 | |
| 604 | mDisplayDevices.add(device); |
| 605 | addLogicalDisplayLocked(device); |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 606 | updateDisplayStateLocked(device); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 607 | scheduleTraversalLocked(false); |
| 608 | } |
| 609 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 610 | private void handleDisplayDeviceChanged(DisplayDevice device) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 611 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 612 | if (!mDisplayDevices.contains(device)) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 613 | Slog.w(TAG, "Attempted to change non-existent display device: " |
| 614 | + device.getDisplayDeviceInfoLocked()); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 615 | return; |
| 616 | } |
| 617 | |
Jeff Brown | e87bf03 | 2012-09-20 18:30:13 -0700 | [diff] [blame] | 618 | Slog.i(TAG, "Display device changed: " + device.getDisplayDeviceInfoLocked()); |
| 619 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 620 | device.applyPendingDisplayDeviceInfoChangesLocked(); |
| 621 | if (updateLogicalDisplaysLocked()) { |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 622 | scheduleTraversalLocked(false); |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 623 | } |
| 624 | } |
| 625 | } |
| 626 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 627 | private void handleDisplayDeviceRemoved(DisplayDevice device) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 628 | synchronized (mSyncRoot) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 629 | handleDisplayDeviceRemovedLocked(device); |
| 630 | } |
| 631 | } |
| 632 | private void handleDisplayDeviceRemovedLocked(DisplayDevice device) { |
| 633 | if (!mDisplayDevices.remove(device)) { |
| 634 | Slog.w(TAG, "Attempted to remove non-existent display device: " |
| 635 | + device.getDisplayDeviceInfoLocked()); |
| 636 | return; |
| 637 | } |
| 638 | |
| 639 | Slog.i(TAG, "Display device removed: " + device.getDisplayDeviceInfoLocked()); |
| 640 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 641 | updateLogicalDisplaysLocked(); |
| 642 | scheduleTraversalLocked(false); |
| 643 | } |
| 644 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 645 | private void updateGlobalDisplayStateLocked() { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 646 | final int count = mDisplayDevices.size(); |
| 647 | for (int i = 0; i < count; i++) { |
| 648 | DisplayDevice device = mDisplayDevices.get(i); |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 649 | updateDisplayStateLocked(device); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 650 | } |
| 651 | } |
| 652 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 653 | private void updateDisplayStateLocked(DisplayDevice device) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 654 | // Blank or unblank the display immediately to match the state requested |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 655 | // by the display power controller (if known). |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 656 | DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked(); |
| 657 | if ((info.flags & DisplayDeviceInfo.FLAG_NEVER_BLANK) == 0) { |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 658 | device.requestDisplayStateLocked(mGlobalDisplayState); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 659 | } |
| 660 | } |
| 661 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 662 | // Adds a new logical display based on the given display device. |
| 663 | // Sends notifications if needed. |
| 664 | private void addLogicalDisplayLocked(DisplayDevice device) { |
| 665 | DisplayDeviceInfo deviceInfo = device.getDisplayDeviceInfoLocked(); |
| 666 | boolean isDefault = (deviceInfo.flags |
| 667 | & DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY) != 0; |
| 668 | if (isDefault && mLogicalDisplays.get(Display.DEFAULT_DISPLAY) != null) { |
| 669 | Slog.w(TAG, "Ignoring attempt to add a second default display: " + deviceInfo); |
| 670 | isDefault = false; |
| 671 | } |
| 672 | |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 673 | if (!isDefault && mSingleDisplayDemoMode) { |
| 674 | Slog.i(TAG, "Not creating a logical display for a secondary display " |
| 675 | + " because single display demo mode is enabled: " + deviceInfo); |
| 676 | return; |
| 677 | } |
| 678 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 679 | final int displayId = assignDisplayIdLocked(isDefault); |
| 680 | final int layerStack = assignLayerStackLocked(displayId); |
| 681 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 682 | LogicalDisplay display = new LogicalDisplay(displayId, layerStack, device); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 683 | display.updateLocked(mDisplayDevices); |
| 684 | if (!display.isValidLocked()) { |
| 685 | // This should never happen currently. |
| 686 | Slog.w(TAG, "Ignoring display device because the logical display " |
| 687 | + "created from it was not considered valid: " + deviceInfo); |
| 688 | return; |
| 689 | } |
| 690 | |
| 691 | mLogicalDisplays.put(displayId, display); |
| 692 | |
| 693 | // Wake up waitForDefaultDisplay. |
| 694 | if (isDefault) { |
| 695 | mSyncRoot.notifyAll(); |
| 696 | } |
| 697 | |
| 698 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_ADDED); |
| 699 | } |
| 700 | |
| 701 | private int assignDisplayIdLocked(boolean isDefault) { |
| 702 | return isDefault ? Display.DEFAULT_DISPLAY : mNextNonDefaultDisplayId++; |
| 703 | } |
| 704 | |
| 705 | private int assignLayerStackLocked(int displayId) { |
| 706 | // Currently layer stacks and display ids are the same. |
| 707 | // This need not be the case. |
| 708 | return displayId; |
| 709 | } |
| 710 | |
| 711 | // Updates all existing logical displays given the current set of display devices. |
| 712 | // Removes invalid logical displays. |
| 713 | // Sends notifications if needed. |
| 714 | private boolean updateLogicalDisplaysLocked() { |
| 715 | boolean changed = false; |
| 716 | for (int i = mLogicalDisplays.size(); i-- > 0; ) { |
| 717 | final int displayId = mLogicalDisplays.keyAt(i); |
| 718 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 719 | |
| 720 | mTempDisplayInfo.copyFrom(display.getDisplayInfoLocked()); |
| 721 | display.updateLocked(mDisplayDevices); |
| 722 | if (!display.isValidLocked()) { |
| 723 | mLogicalDisplays.removeAt(i); |
| 724 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_REMOVED); |
| 725 | changed = true; |
| 726 | } else if (!mTempDisplayInfo.equals(display.getDisplayInfoLocked())) { |
| 727 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_CHANGED); |
| 728 | changed = true; |
| 729 | } |
| 730 | } |
| 731 | return changed; |
| 732 | } |
| 733 | |
| 734 | private void performTraversalInTransactionLocked() { |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 735 | // Clear all viewports before configuring displays so that we can keep |
| 736 | // track of which ones we have configured. |
| 737 | clearViewportsLocked(); |
| 738 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 739 | // Configure each display device. |
| 740 | final int count = mDisplayDevices.size(); |
| 741 | for (int i = 0; i < count; i++) { |
| 742 | DisplayDevice device = mDisplayDevices.get(i); |
| 743 | configureDisplayInTransactionLocked(device); |
| 744 | device.performTraversalInTransactionLocked(); |
| 745 | } |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 746 | |
| 747 | // Tell the input system about these new viewports. |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 748 | if (mInputManagerInternal != null) { |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 749 | mHandler.sendEmptyMessage(MSG_UPDATE_VIEWPORT); |
| 750 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 751 | } |
| 752 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 753 | private void setDisplayHasContentInternal(int displayId, boolean hasContent, |
| 754 | boolean inTraversal) { |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 755 | synchronized (mSyncRoot) { |
| 756 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
| 757 | if (display != null && display.hasContentLocked() != hasContent) { |
Jeff Brown | 33041bd | 2013-08-02 21:11:14 -0700 | [diff] [blame] | 758 | if (DEBUG) { |
| 759 | Slog.d(TAG, "Display " + displayId + " hasContent flag changed: " |
| 760 | + "hasContent=" + hasContent + ", inTraversal=" + inTraversal); |
| 761 | } |
| 762 | |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 763 | display.setHasContentLocked(hasContent); |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 764 | scheduleTraversalLocked(inTraversal); |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 765 | } |
| 766 | } |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 767 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 768 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 769 | private void clearViewportsLocked() { |
| 770 | mDefaultViewport.valid = false; |
| 771 | mExternalTouchViewport.valid = false; |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | private void configureDisplayInTransactionLocked(DisplayDevice device) { |
Jeff Brown | d14c8c9 | 2014-01-07 18:13:09 -0800 | [diff] [blame] | 775 | final DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked(); |
| 776 | final boolean ownContent = (info.flags & DisplayDeviceInfo.FLAG_OWN_CONTENT_ONLY) != 0; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 777 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 778 | // Find the logical display that the display device is showing. |
Jeff Brown | d14c8c9 | 2014-01-07 18:13:09 -0800 | [diff] [blame] | 779 | // Certain displays only ever show their own content. |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 780 | LogicalDisplay display = findLogicalDisplayForDeviceLocked(device); |
Jeff Brown | d14c8c9 | 2014-01-07 18:13:09 -0800 | [diff] [blame] | 781 | if (!ownContent) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 782 | if (display != null && !display.hasContentLocked()) { |
| 783 | // If the display does not have any content of its own, then |
| 784 | // automatically mirror the default logical display contents. |
| 785 | display = null; |
| 786 | } |
| 787 | if (display == null) { |
| 788 | display = mLogicalDisplays.get(Display.DEFAULT_DISPLAY); |
| 789 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | // Apply the logical display configuration to the display device. |
| 793 | if (display == null) { |
| 794 | // TODO: no logical display for the device, blank it |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 795 | Slog.w(TAG, "Missing logical display to use for physical display device: " |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 796 | + device.getDisplayDeviceInfoLocked()); |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 797 | return; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 798 | } |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 799 | display.configureDisplayInTransactionLocked(device, info.state == Display.STATE_OFF); |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 800 | |
| 801 | // Update the viewports if needed. |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 802 | if (!mDefaultViewport.valid |
| 803 | && (info.flags & DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY) != 0) { |
| 804 | setViewportLocked(mDefaultViewport, display, device); |
| 805 | } |
| 806 | if (!mExternalTouchViewport.valid |
| 807 | && info.touch == DisplayDeviceInfo.TOUCH_EXTERNAL) { |
| 808 | setViewportLocked(mExternalTouchViewport, display, device); |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | private static void setViewportLocked(DisplayViewport viewport, |
| 813 | LogicalDisplay display, DisplayDevice device) { |
| 814 | viewport.valid = true; |
| 815 | viewport.displayId = display.getDisplayIdLocked(); |
| 816 | device.populateViewportLocked(viewport); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 817 | } |
| 818 | |
| 819 | private LogicalDisplay findLogicalDisplayForDeviceLocked(DisplayDevice device) { |
| 820 | final int count = mLogicalDisplays.size(); |
| 821 | for (int i = 0; i < count; i++) { |
| 822 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 823 | if (display.getPrimaryDisplayDeviceLocked() == device) { |
| 824 | return display; |
| 825 | } |
| 826 | } |
| 827 | return null; |
| 828 | } |
| 829 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 830 | private void sendDisplayEventLocked(int displayId, int event) { |
| 831 | Message msg = mHandler.obtainMessage(MSG_DELIVER_DISPLAY_EVENT, displayId, event); |
| 832 | mHandler.sendMessage(msg); |
| 833 | } |
| 834 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 835 | // Requests that performTraversalsInTransactionFromWindowManager be called at a |
| 836 | // later time to apply changes to surfaces and displays. |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 837 | private void scheduleTraversalLocked(boolean inTraversal) { |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 838 | if (!mPendingTraversal && mWindowManagerInternal != null) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 839 | mPendingTraversal = true; |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 840 | if (!inTraversal) { |
| 841 | mHandler.sendEmptyMessage(MSG_REQUEST_TRAVERSAL); |
| 842 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 843 | } |
| 844 | } |
| 845 | |
| 846 | // Runs on Handler thread. |
| 847 | // Delivers display event notifications to callbacks. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 848 | private void deliverDisplayEvent(int displayId, int event) { |
| 849 | if (DEBUG) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 850 | Slog.d(TAG, "Delivering display event: displayId=" |
| 851 | + displayId + ", event=" + event); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 852 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 853 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 854 | // Grab the lock and copy the callbacks. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 855 | final int count; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 856 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 857 | count = mCallbacks.size(); |
| 858 | mTempCallbacks.clear(); |
| 859 | for (int i = 0; i < count; i++) { |
| 860 | mTempCallbacks.add(mCallbacks.valueAt(i)); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 861 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 862 | } |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 863 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 864 | // After releasing the lock, send the notifications out. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 865 | for (int i = 0; i < count; i++) { |
| 866 | mTempCallbacks.get(i).notifyDisplayEventAsync(displayId, event); |
| 867 | } |
| 868 | mTempCallbacks.clear(); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 869 | } |
| 870 | |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 871 | private void dumpInternal(PrintWriter pw) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 872 | pw.println("DISPLAY MANAGER (dumpsys display)"); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 873 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 874 | synchronized (mSyncRoot) { |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 875 | pw.println(" mOnlyCode=" + mOnlyCore); |
| 876 | pw.println(" mSafeMode=" + mSafeMode); |
| 877 | pw.println(" mPendingTraversal=" + mPendingTraversal); |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 878 | pw.println(" mGlobalDisplayState=" + Display.stateToString(mGlobalDisplayState)); |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 879 | pw.println(" mNextNonDefaultDisplayId=" + mNextNonDefaultDisplayId); |
| 880 | pw.println(" mDefaultViewport=" + mDefaultViewport); |
| 881 | pw.println(" mExternalTouchViewport=" + mExternalTouchViewport); |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 882 | pw.println(" mSingleDisplayDemoMode=" + mSingleDisplayDemoMode); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 883 | pw.println(" mWifiDisplayScanRequestCount=" + mWifiDisplayScanRequestCount); |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 884 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 885 | IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 886 | ipw.increaseIndent(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 887 | |
| 888 | pw.println(); |
| 889 | pw.println("Display Adapters: size=" + mDisplayAdapters.size()); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 890 | for (DisplayAdapter adapter : mDisplayAdapters) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 891 | pw.println(" " + adapter.getName()); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 892 | adapter.dumpLocked(ipw); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 893 | } |
Craig Mautner | 9de4936 | 2012-08-02 14:30:30 -0700 | [diff] [blame] | 894 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 895 | pw.println(); |
| 896 | pw.println("Display Devices: size=" + mDisplayDevices.size()); |
| 897 | for (DisplayDevice device : mDisplayDevices) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 898 | pw.println(" " + device.getDisplayDeviceInfoLocked()); |
| 899 | device.dumpLocked(ipw); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 900 | } |
| 901 | |
| 902 | final int logicalDisplayCount = mLogicalDisplays.size(); |
| 903 | pw.println(); |
| 904 | pw.println("Logical Displays: size=" + logicalDisplayCount); |
| 905 | for (int i = 0; i < logicalDisplayCount; i++) { |
| 906 | int displayId = mLogicalDisplays.keyAt(i); |
| 907 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 908 | pw.println(" Display " + displayId + ":"); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 909 | display.dumpLocked(ipw); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 910 | } |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 911 | |
| 912 | final int callbackCount = mCallbacks.size(); |
| 913 | pw.println(); |
| 914 | pw.println("Callbacks: size=" + callbackCount); |
| 915 | for (int i = 0; i < callbackCount; i++) { |
| 916 | CallbackRecord callback = mCallbacks.valueAt(i); |
| 917 | pw.println(" " + i + ": mPid=" + callback.mPid |
| 918 | + ", mWifiDisplayScanRequested=" + callback.mWifiDisplayScanRequested); |
| 919 | } |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 920 | |
| 921 | if (mDisplayPowerController != null) { |
| 922 | mDisplayPowerController.dump(pw); |
| 923 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 924 | } |
| 925 | } |
| 926 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 927 | /** |
| 928 | * This is the object that everything in the display manager locks on. |
| 929 | * We make it an inner class within the {@link DisplayManagerService} to so that it is |
| 930 | * clear that the object belongs to the display manager service and that it is |
| 931 | * a unique object with a special purpose. |
| 932 | */ |
| 933 | public static final class SyncRoot { |
| 934 | } |
| 935 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 936 | private final class DisplayManagerHandler extends Handler { |
| 937 | public DisplayManagerHandler(Looper looper) { |
| 938 | super(looper, null, true /*async*/); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 939 | } |
Jeff Brown | bf5740e | 2012-08-19 23:20:02 -0700 | [diff] [blame] | 940 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 941 | @Override |
| 942 | public void handleMessage(Message msg) { |
| 943 | switch (msg.what) { |
| 944 | case MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER: |
| 945 | registerDefaultDisplayAdapter(); |
| 946 | break; |
| 947 | |
| 948 | case MSG_REGISTER_ADDITIONAL_DISPLAY_ADAPTERS: |
| 949 | registerAdditionalDisplayAdapters(); |
| 950 | break; |
| 951 | |
| 952 | case MSG_DELIVER_DISPLAY_EVENT: |
| 953 | deliverDisplayEvent(msg.arg1, msg.arg2); |
| 954 | break; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 955 | |
| 956 | case MSG_REQUEST_TRAVERSAL: |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 957 | mWindowManagerInternal.requestTraversalFromDisplayManager(); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 958 | break; |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 959 | |
| 960 | case MSG_UPDATE_VIEWPORT: { |
| 961 | synchronized (mSyncRoot) { |
| 962 | mTempDefaultViewport.copyFrom(mDefaultViewport); |
| 963 | mTempExternalTouchViewport.copyFrom(mExternalTouchViewport); |
| 964 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 965 | mInputManagerInternal.setDisplayViewports( |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 966 | mTempDefaultViewport, mTempExternalTouchViewport); |
| 967 | break; |
| 968 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 969 | } |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | private final class DisplayAdapterListener implements DisplayAdapter.Listener { |
| 974 | @Override |
| 975 | public void onDisplayDeviceEvent(DisplayDevice device, int event) { |
| 976 | switch (event) { |
| 977 | case DisplayAdapter.DISPLAY_DEVICE_EVENT_ADDED: |
| 978 | handleDisplayDeviceAdded(device); |
| 979 | break; |
| 980 | |
| 981 | case DisplayAdapter.DISPLAY_DEVICE_EVENT_CHANGED: |
| 982 | handleDisplayDeviceChanged(device); |
| 983 | break; |
| 984 | |
| 985 | case DisplayAdapter.DISPLAY_DEVICE_EVENT_REMOVED: |
| 986 | handleDisplayDeviceRemoved(device); |
| 987 | break; |
| 988 | } |
| 989 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 990 | |
| 991 | @Override |
| 992 | public void onTraversalRequested() { |
| 993 | synchronized (mSyncRoot) { |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 994 | scheduleTraversalLocked(false); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 995 | } |
| 996 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 997 | } |
| 998 | |
| 999 | private final class CallbackRecord implements DeathRecipient { |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 1000 | public final int mPid; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1001 | private final IDisplayManagerCallback mCallback; |
| 1002 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 1003 | public boolean mWifiDisplayScanRequested; |
| 1004 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1005 | public CallbackRecord(int pid, IDisplayManagerCallback callback) { |
| 1006 | mPid = pid; |
| 1007 | mCallback = callback; |
| 1008 | } |
| 1009 | |
| 1010 | @Override |
| 1011 | public void binderDied() { |
| 1012 | if (DEBUG) { |
| 1013 | Slog.d(TAG, "Display listener for pid " + mPid + " died."); |
| 1014 | } |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 1015 | onCallbackDied(this); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1016 | } |
| 1017 | |
| 1018 | public void notifyDisplayEventAsync(int displayId, int event) { |
| 1019 | try { |
| 1020 | mCallback.onDisplayEvent(displayId, event); |
| 1021 | } catch (RemoteException ex) { |
| 1022 | Slog.w(TAG, "Failed to notify process " |
| 1023 | + mPid + " that displays changed, assuming it died.", ex); |
| 1024 | binderDied(); |
| 1025 | } |
| 1026 | } |
| 1027 | } |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 1028 | |
| 1029 | private final class BinderService extends IDisplayManager.Stub { |
| 1030 | /** |
| 1031 | * Returns information about the specified logical display. |
| 1032 | * |
| 1033 | * @param displayId The logical display id. |
| 1034 | * @return The logical display info, or null if the display does not exist. The |
| 1035 | * returned object must be treated as immutable. |
| 1036 | */ |
| 1037 | @Override // Binder call |
| 1038 | public DisplayInfo getDisplayInfo(int displayId) { |
| 1039 | final int callingUid = Binder.getCallingUid(); |
| 1040 | final long token = Binder.clearCallingIdentity(); |
| 1041 | try { |
| 1042 | return getDisplayInfoInternal(displayId, callingUid); |
| 1043 | } finally { |
| 1044 | Binder.restoreCallingIdentity(token); |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | /** |
| 1049 | * Returns the list of all display ids. |
| 1050 | */ |
| 1051 | @Override // Binder call |
| 1052 | public int[] getDisplayIds() { |
| 1053 | final int callingUid = Binder.getCallingUid(); |
| 1054 | final long token = Binder.clearCallingIdentity(); |
| 1055 | try { |
| 1056 | return getDisplayIdsInternal(callingUid); |
| 1057 | } finally { |
| 1058 | Binder.restoreCallingIdentity(token); |
| 1059 | } |
| 1060 | } |
| 1061 | |
| 1062 | @Override // Binder call |
| 1063 | public void registerCallback(IDisplayManagerCallback callback) { |
| 1064 | if (callback == null) { |
| 1065 | throw new IllegalArgumentException("listener must not be null"); |
| 1066 | } |
| 1067 | |
| 1068 | final int callingPid = Binder.getCallingPid(); |
| 1069 | final long token = Binder.clearCallingIdentity(); |
| 1070 | try { |
| 1071 | registerCallbackInternal(callback, callingPid); |
| 1072 | } finally { |
| 1073 | Binder.restoreCallingIdentity(token); |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | @Override // Binder call |
| 1078 | public void startWifiDisplayScan() { |
| 1079 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1080 | "Permission required to start wifi display scans"); |
| 1081 | |
| 1082 | final int callingPid = Binder.getCallingPid(); |
| 1083 | final long token = Binder.clearCallingIdentity(); |
| 1084 | try { |
| 1085 | startWifiDisplayScanInternal(callingPid); |
| 1086 | } finally { |
| 1087 | Binder.restoreCallingIdentity(token); |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | @Override // Binder call |
| 1092 | public void stopWifiDisplayScan() { |
| 1093 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1094 | "Permission required to stop wifi display scans"); |
| 1095 | |
| 1096 | final int callingPid = Binder.getCallingPid(); |
| 1097 | final long token = Binder.clearCallingIdentity(); |
| 1098 | try { |
| 1099 | stopWifiDisplayScanInternal(callingPid); |
| 1100 | } finally { |
| 1101 | Binder.restoreCallingIdentity(token); |
| 1102 | } |
| 1103 | } |
| 1104 | |
| 1105 | @Override // Binder call |
| 1106 | public void connectWifiDisplay(String address) { |
| 1107 | if (address == null) { |
| 1108 | throw new IllegalArgumentException("address must not be null"); |
| 1109 | } |
| 1110 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1111 | "Permission required to connect to a wifi display"); |
| 1112 | |
| 1113 | final long token = Binder.clearCallingIdentity(); |
| 1114 | try { |
| 1115 | connectWifiDisplayInternal(address); |
| 1116 | } finally { |
| 1117 | Binder.restoreCallingIdentity(token); |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | @Override // Binder call |
| 1122 | public void disconnectWifiDisplay() { |
| 1123 | // This request does not require special permissions. |
| 1124 | // Any app can request disconnection from the currently active wifi display. |
| 1125 | // This exception should no longer be needed once wifi display control moves |
| 1126 | // to the media router service. |
| 1127 | |
| 1128 | final long token = Binder.clearCallingIdentity(); |
| 1129 | try { |
| 1130 | disconnectWifiDisplayInternal(); |
| 1131 | } finally { |
| 1132 | Binder.restoreCallingIdentity(token); |
| 1133 | } |
| 1134 | } |
| 1135 | |
| 1136 | @Override // Binder call |
| 1137 | public void renameWifiDisplay(String address, String alias) { |
| 1138 | if (address == null) { |
| 1139 | throw new IllegalArgumentException("address must not be null"); |
| 1140 | } |
| 1141 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1142 | "Permission required to rename to a wifi display"); |
| 1143 | |
| 1144 | final long token = Binder.clearCallingIdentity(); |
| 1145 | try { |
| 1146 | renameWifiDisplayInternal(address, alias); |
| 1147 | } finally { |
| 1148 | Binder.restoreCallingIdentity(token); |
| 1149 | } |
| 1150 | } |
| 1151 | |
| 1152 | @Override // Binder call |
| 1153 | public void forgetWifiDisplay(String address) { |
| 1154 | if (address == null) { |
| 1155 | throw new IllegalArgumentException("address must not be null"); |
| 1156 | } |
| 1157 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1158 | "Permission required to forget to a wifi display"); |
| 1159 | |
| 1160 | final long token = Binder.clearCallingIdentity(); |
| 1161 | try { |
| 1162 | forgetWifiDisplayInternal(address); |
| 1163 | } finally { |
| 1164 | Binder.restoreCallingIdentity(token); |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | @Override // Binder call |
| 1169 | public void pauseWifiDisplay() { |
| 1170 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1171 | "Permission required to pause a wifi display session"); |
| 1172 | |
| 1173 | final long token = Binder.clearCallingIdentity(); |
| 1174 | try { |
| 1175 | pauseWifiDisplayInternal(); |
| 1176 | } finally { |
| 1177 | Binder.restoreCallingIdentity(token); |
| 1178 | } |
| 1179 | } |
| 1180 | |
| 1181 | @Override // Binder call |
| 1182 | public void resumeWifiDisplay() { |
| 1183 | mContext.enforceCallingOrSelfPermission(Manifest.permission.CONFIGURE_WIFI_DISPLAY, |
| 1184 | "Permission required to resume a wifi display session"); |
| 1185 | |
| 1186 | final long token = Binder.clearCallingIdentity(); |
| 1187 | try { |
| 1188 | resumeWifiDisplayInternal(); |
| 1189 | } finally { |
| 1190 | Binder.restoreCallingIdentity(token); |
| 1191 | } |
| 1192 | } |
| 1193 | |
| 1194 | @Override // Binder call |
| 1195 | public WifiDisplayStatus getWifiDisplayStatus() { |
| 1196 | // This request does not require special permissions. |
| 1197 | // Any app can get information about available wifi displays. |
| 1198 | |
| 1199 | final long token = Binder.clearCallingIdentity(); |
| 1200 | try { |
| 1201 | return getWifiDisplayStatusInternal(); |
| 1202 | } finally { |
| 1203 | Binder.restoreCallingIdentity(token); |
| 1204 | } |
| 1205 | } |
| 1206 | |
| 1207 | @Override // Binder call |
| 1208 | public int createVirtualDisplay(IBinder appToken, String packageName, |
| 1209 | String name, int width, int height, int densityDpi, Surface surface, int flags) { |
| 1210 | final int callingUid = Binder.getCallingUid(); |
| 1211 | if (!validatePackageName(callingUid, packageName)) { |
| 1212 | throw new SecurityException("packageName must match the calling uid"); |
| 1213 | } |
| 1214 | if (appToken == null) { |
| 1215 | throw new IllegalArgumentException("appToken must not be null"); |
| 1216 | } |
| 1217 | if (TextUtils.isEmpty(name)) { |
| 1218 | throw new IllegalArgumentException("name must be non-null and non-empty"); |
| 1219 | } |
| 1220 | if (width <= 0 || height <= 0 || densityDpi <= 0) { |
| 1221 | throw new IllegalArgumentException("width, height, and densityDpi must be " |
| 1222 | + "greater than 0"); |
| 1223 | } |
| 1224 | if (surface == null) { |
| 1225 | throw new IllegalArgumentException("surface must not be null"); |
| 1226 | } |
| 1227 | if (callingUid != Process.SYSTEM_UID && |
| 1228 | (flags & DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC) != 0) { |
| 1229 | if (mContext.checkCallingPermission(android.Manifest.permission.CAPTURE_VIDEO_OUTPUT) |
| 1230 | != PackageManager.PERMISSION_GRANTED |
| 1231 | && mContext.checkCallingPermission( |
| 1232 | android.Manifest.permission.CAPTURE_SECURE_VIDEO_OUTPUT) |
| 1233 | != PackageManager.PERMISSION_GRANTED) { |
| 1234 | throw new SecurityException("Requires CAPTURE_VIDEO_OUTPUT or " |
| 1235 | + "CAPTURE_SECURE_VIDEO_OUTPUT permission to create a " |
| 1236 | + "public virtual display."); |
| 1237 | } |
| 1238 | } |
| 1239 | if ((flags & DisplayManager.VIRTUAL_DISPLAY_FLAG_SECURE) != 0) { |
| 1240 | if (mContext.checkCallingPermission( |
| 1241 | android.Manifest.permission.CAPTURE_SECURE_VIDEO_OUTPUT) |
| 1242 | != PackageManager.PERMISSION_GRANTED) { |
| 1243 | throw new SecurityException("Requires CAPTURE_SECURE_VIDEO_OUTPUT " |
| 1244 | + "to create a secure virtual display."); |
| 1245 | } |
| 1246 | } |
| 1247 | |
| 1248 | final long token = Binder.clearCallingIdentity(); |
| 1249 | try { |
| 1250 | return createVirtualDisplayInternal(appToken, callingUid, packageName, |
| 1251 | name, width, height, densityDpi, surface, flags); |
| 1252 | } finally { |
| 1253 | Binder.restoreCallingIdentity(token); |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | @Override // Binder call |
| 1258 | public void releaseVirtualDisplay(IBinder appToken) { |
| 1259 | final long token = Binder.clearCallingIdentity(); |
| 1260 | try { |
| 1261 | releaseVirtualDisplayInternal(appToken); |
| 1262 | } finally { |
| 1263 | Binder.restoreCallingIdentity(token); |
| 1264 | } |
| 1265 | } |
| 1266 | |
| 1267 | @Override // Binder call |
| 1268 | public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) { |
| 1269 | if (mContext == null |
| 1270 | || mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP) |
| 1271 | != PackageManager.PERMISSION_GRANTED) { |
| 1272 | pw.println("Permission Denial: can't dump DisplayManager from from pid=" |
| 1273 | + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| 1274 | return; |
| 1275 | } |
| 1276 | |
| 1277 | final long token = Binder.clearCallingIdentity(); |
| 1278 | try { |
| 1279 | dumpInternal(pw); |
| 1280 | } finally { |
| 1281 | Binder.restoreCallingIdentity(token); |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | private boolean validatePackageName(int uid, String packageName) { |
| 1286 | if (packageName != null) { |
| 1287 | String[] packageNames = mContext.getPackageManager().getPackagesForUid(uid); |
| 1288 | if (packageNames != null) { |
| 1289 | for (String n : packageNames) { |
| 1290 | if (n.equals(packageName)) { |
| 1291 | return true; |
| 1292 | } |
| 1293 | } |
| 1294 | } |
| 1295 | } |
| 1296 | return false; |
| 1297 | } |
| 1298 | } |
| 1299 | |
| 1300 | private final class LocalService extends DisplayManagerInternal { |
| 1301 | @Override |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 1302 | public void initPowerManagement(final DisplayPowerCallbacks callbacks, Handler handler, |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 1303 | SensorManager sensorManager) { |
| 1304 | synchronized (mSyncRoot) { |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 1305 | DisplayBlanker blanker = new DisplayBlanker() { |
| 1306 | @Override |
| 1307 | public void requestDisplayState(int state) { |
| 1308 | // The order of operations is important for legacy reasons. |
| 1309 | if (state == Display.STATE_OFF) { |
| 1310 | requestGlobalDisplayStateInternal(state); |
| 1311 | } |
| 1312 | |
| 1313 | callbacks.onDisplayStateChange(state); |
| 1314 | |
| 1315 | if (state != Display.STATE_OFF) { |
| 1316 | requestGlobalDisplayStateInternal(state); |
| 1317 | } |
| 1318 | } |
| 1319 | }; |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 1320 | mDisplayPowerController = new DisplayPowerController( |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 1321 | mContext, callbacks, handler, sensorManager, blanker); |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 1322 | } |
| 1323 | } |
| 1324 | |
| 1325 | @Override |
| 1326 | public boolean requestPowerState(DisplayPowerRequest request, |
| 1327 | boolean waitForNegativeProximity) { |
| 1328 | return mDisplayPowerController.requestPowerState(request, |
| 1329 | waitForNegativeProximity); |
| 1330 | } |
| 1331 | |
| 1332 | @Override |
| 1333 | public boolean isProximitySensorAvailable() { |
| 1334 | return mDisplayPowerController.isProximitySensorAvailable(); |
| 1335 | } |
| 1336 | |
| 1337 | @Override |
Jeff Brown | 4ccb823 | 2014-01-16 22:16:42 -0800 | [diff] [blame] | 1338 | public DisplayInfo getDisplayInfo(int displayId) { |
| 1339 | return getDisplayInfoInternal(displayId, Process.myUid()); |
| 1340 | } |
| 1341 | |
| 1342 | @Override |
| 1343 | public void registerDisplayTransactionListener(DisplayTransactionListener listener) { |
| 1344 | if (listener == null) { |
| 1345 | throw new IllegalArgumentException("listener must not be null"); |
| 1346 | } |
| 1347 | |
| 1348 | registerDisplayTransactionListenerInternal(listener); |
| 1349 | } |
| 1350 | |
| 1351 | @Override |
| 1352 | public void unregisterDisplayTransactionListener(DisplayTransactionListener listener) { |
| 1353 | if (listener == null) { |
| 1354 | throw new IllegalArgumentException("listener must not be null"); |
| 1355 | } |
| 1356 | |
| 1357 | unregisterDisplayTransactionListenerInternal(listener); |
| 1358 | } |
| 1359 | |
| 1360 | @Override |
| 1361 | public void setDisplayInfoOverrideFromWindowManager(int displayId, DisplayInfo info) { |
| 1362 | setDisplayInfoOverrideFromWindowManagerInternal(displayId, info); |
| 1363 | } |
| 1364 | |
| 1365 | @Override |
| 1366 | public void performTraversalInTransactionFromWindowManager() { |
| 1367 | performTraversalInTransactionFromWindowManagerInternal(); |
| 1368 | } |
| 1369 | |
| 1370 | @Override |
| 1371 | public void setDisplayHasContent(int displayId, boolean hasContent, boolean inTraversal) { |
| 1372 | setDisplayHasContentInternal(displayId, hasContent, inTraversal); |
| 1373 | } |
| 1374 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1375 | } |