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 | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 24 | import android.hardware.display.DisplayManagerGlobal; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 25 | import android.hardware.display.IDisplayManager; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 26 | import android.hardware.display.IDisplayManagerCallback; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 27 | import android.hardware.display.WifiDisplayStatus; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 28 | import android.os.Binder; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 29 | import android.os.Handler; |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 30 | import android.os.IBinder; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 31 | import android.os.Looper; |
| 32 | import android.os.Message; |
| 33 | import android.os.RemoteException; |
| 34 | import android.os.SystemClock; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 35 | import android.os.SystemProperties; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 36 | import android.text.TextUtils; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 37 | import android.util.Slog; |
| 38 | import android.util.SparseArray; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 39 | import android.view.Display; |
| 40 | import android.view.DisplayInfo; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 41 | import android.view.Surface; |
| 42 | |
Dianne Hackborn | 8d044e8 | 2013-04-30 17:24:15 -0700 | [diff] [blame] | 43 | import com.android.server.UiThread; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 44 | |
| 45 | import java.io.FileDescriptor; |
| 46 | import java.io.PrintWriter; |
| 47 | import java.util.ArrayList; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 48 | import java.util.Arrays; |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 49 | import java.util.concurrent.CopyOnWriteArrayList; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 50 | |
| 51 | /** |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 52 | * Manages attached displays. |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 53 | * <p> |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 54 | * The {@link DisplayManagerService} manages the global lifecycle of displays, |
| 55 | * decides how to configure logical displays based on the physical display devices currently |
| 56 | * attached, sends notifications to the system and to applications when the state |
| 57 | * changes, and so on. |
| 58 | * </p><p> |
| 59 | * The display manager service relies on a collection of {@link DisplayAdapter} components, |
| 60 | * for discovering and configuring physical display devices attached to the system. |
| 61 | * There are separate display adapters for each manner that devices are attached: |
| 62 | * one display adapter for built-in local displays, one for simulated non-functional |
| 63 | * displays when the system is headless, one for simulated overlay displays used for |
| 64 | * development, one for wifi displays, etc. |
| 65 | * </p><p> |
| 66 | * Display adapters are only weakly coupled to the display manager service. |
| 67 | * Display adapters communicate changes in display device state to the display manager |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 68 | * service asynchronously via a {@link DisplayAdapter.Listener} registered |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 69 | * by the display manager service. This separation of concerns is important for |
| 70 | * two main reasons. First, it neatly encapsulates the responsibilities of these |
| 71 | * two classes: display adapters handle individual display devices whereas |
| 72 | * the display manager service handles the global state. Second, it eliminates |
| 73 | * the potential for deadlocks resulting from asynchronous display device discovery. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 74 | * </p> |
| 75 | * |
| 76 | * <h3>Synchronization</h3> |
| 77 | * <p> |
| 78 | * Because the display manager may be accessed by multiple threads, the synchronization |
| 79 | * story gets a little complicated. In particular, the window manager may call into |
| 80 | * the display manager while holding a surface transaction with the expectation that |
| 81 | * it can apply changes immediately. Unfortunately, that means we can't just do |
| 82 | * everything asynchronously (*grump*). |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 83 | * </p><p> |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 84 | * To make this work, all of the objects that belong to the display manager must |
| 85 | * use the same lock. We call this lock the synchronization root and it has a unique |
| 86 | * type {@link DisplayManagerService.SyncRoot}. Methods that require this lock are |
| 87 | * named with the "Locked" suffix. |
| 88 | * </p><p> |
| 89 | * Where things get tricky is that the display manager is not allowed to make |
| 90 | * any potentially reentrant calls, especially into the window manager. We generally |
| 91 | * avoid this by making all potentially reentrant out-calls asynchronous. |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 92 | * </p> |
| 93 | */ |
| 94 | public final class DisplayManagerService extends IDisplayManager.Stub { |
| 95 | private static final String TAG = "DisplayManagerService"; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 96 | private static final boolean DEBUG = false; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 97 | |
Jeff Brown | bbd28a2 | 2012-09-20 16:47:15 -0700 | [diff] [blame] | 98 | // When this system property is set to 0, WFD is forcibly disabled on boot. |
| 99 | // When this system property is set to 1, WFD is forcibly enabled on boot. |
| 100 | // Otherwise WFD is enabled according to the value of config_enableWifiDisplay. |
| 101 | private static final String FORCE_WIFI_DISPLAY_ENABLE = "persist.debug.wfd.enable"; |
| 102 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 103 | private static final String SYSTEM_HEADLESS = "ro.config.headless"; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 104 | private static final long WAIT_FOR_DEFAULT_DISPLAY_TIMEOUT = 10000; |
| 105 | |
| 106 | private static final int MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER = 1; |
| 107 | private static final int MSG_REGISTER_ADDITIONAL_DISPLAY_ADAPTERS = 2; |
| 108 | private static final int MSG_DELIVER_DISPLAY_EVENT = 3; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 109 | private static final int MSG_REQUEST_TRAVERSAL = 4; |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 110 | private static final int MSG_UPDATE_VIEWPORT = 5; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 111 | |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 112 | private static final int DISPLAY_BLANK_STATE_UNKNOWN = 0; |
| 113 | private static final int DISPLAY_BLANK_STATE_BLANKED = 1; |
| 114 | private static final int DISPLAY_BLANK_STATE_UNBLANKED = 2; |
| 115 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 116 | private final Context mContext; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 117 | private final boolean mHeadless; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 118 | private final DisplayManagerHandler mHandler; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 119 | private final Handler mUiHandler; |
| 120 | private final DisplayAdapterListener mDisplayAdapterListener; |
| 121 | private WindowManagerFuncs mWindowManagerFuncs; |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 122 | private InputManagerFuncs mInputManagerFuncs; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 123 | |
| 124 | // The synchronization root for the display manager. |
| 125 | // This lock guards most of the display manager's state. |
Craig Mautner | 0bf6ec9 | 2012-12-18 08:33:27 -0800 | [diff] [blame] | 126 | // NOTE: This is synchronized on while holding WindowManagerService.mWindowMap so never call |
| 127 | // into WindowManagerService methods that require mWindowMap while holding this unless you are |
| 128 | // very very sure that no deadlock can occur. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 129 | private final SyncRoot mSyncRoot = new SyncRoot(); |
| 130 | |
| 131 | // True if in safe mode. |
| 132 | // This option may disable certain display adapters. |
| 133 | public boolean mSafeMode; |
| 134 | |
| 135 | // True if we are in a special boot mode where only core applications and |
| 136 | // services should be started. This option may disable certain display adapters. |
| 137 | public boolean mOnlyCore; |
| 138 | |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 139 | // True if the display manager service should pretend there is only one display |
| 140 | // and only tell applications about the existence of the default logical display. |
| 141 | // The display manager can still mirror content to secondary displays but applications |
| 142 | // cannot present unique content on those displays. |
| 143 | // Used for demonstration purposes only. |
| 144 | private final boolean mSingleDisplayDemoMode; |
| 145 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 146 | // All callback records indexed by calling process id. |
| 147 | public final SparseArray<CallbackRecord> mCallbacks = |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 148 | new SparseArray<CallbackRecord>(); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 149 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 150 | // List of all currently registered display adapters. |
| 151 | private final ArrayList<DisplayAdapter> mDisplayAdapters = new ArrayList<DisplayAdapter>(); |
| 152 | |
| 153 | // List of all currently connected display devices. |
| 154 | private final ArrayList<DisplayDevice> mDisplayDevices = new ArrayList<DisplayDevice>(); |
| 155 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 156 | // List of all removed display devices. |
| 157 | private final ArrayList<DisplayDevice> mRemovedDisplayDevices = new ArrayList<DisplayDevice>(); |
| 158 | |
| 159 | // List of all logical displays indexed by logical display id. |
| 160 | private final SparseArray<LogicalDisplay> mLogicalDisplays = |
| 161 | new SparseArray<LogicalDisplay>(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 162 | private int mNextNonDefaultDisplayId = Display.DEFAULT_DISPLAY + 1; |
| 163 | |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 164 | // List of all display transaction listeners. |
| 165 | private final CopyOnWriteArrayList<DisplayTransactionListener> mDisplayTransactionListeners = |
| 166 | new CopyOnWriteArrayList<DisplayTransactionListener>(); |
| 167 | |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 168 | // Set to true if all displays have been blanked by the power manager. |
Craig Mautner | 0bf6ec9 | 2012-12-18 08:33:27 -0800 | [diff] [blame] | 169 | private int mAllDisplayBlankStateFromPowerManager = DISPLAY_BLANK_STATE_UNKNOWN; |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 170 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 171 | // Set to true when there are pending display changes that have yet to be applied |
| 172 | // to the surface flinger state. |
| 173 | private boolean mPendingTraversal; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 174 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 175 | // The Wifi display adapter, or null if not registered. |
| 176 | private WifiDisplayAdapter mWifiDisplayAdapter; |
| 177 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 178 | // The virtual display adapter, or null if not registered. |
| 179 | private VirtualDisplayAdapter mVirtualDisplayAdapter; |
| 180 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 181 | // Viewports of the default display and the display that should receive touch |
| 182 | // input from an external source. Used by the input system. |
| 183 | private final DisplayViewport mDefaultViewport = new DisplayViewport(); |
| 184 | private final DisplayViewport mExternalTouchViewport = new DisplayViewport(); |
| 185 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 186 | // Persistent data store for all internal settings maintained by the display manager service. |
| 187 | private final PersistentDataStore mPersistentDataStore = new PersistentDataStore(); |
| 188 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 189 | // Temporary callback list, used when sending display events to applications. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 190 | // May be used outside of the lock but only on the handler thread. |
| 191 | private final ArrayList<CallbackRecord> mTempCallbacks = new ArrayList<CallbackRecord>(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 192 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 193 | // Temporary display info, used for comparing display configurations. |
| 194 | private final DisplayInfo mTempDisplayInfo = new DisplayInfo(); |
| 195 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 196 | // Temporary viewports, used when sending new viewport information to the |
| 197 | // input system. May be used outside of the lock but only on the handler thread. |
| 198 | private final DisplayViewport mTempDefaultViewport = new DisplayViewport(); |
| 199 | private final DisplayViewport mTempExternalTouchViewport = new DisplayViewport(); |
| 200 | |
Dianne Hackborn | 8d044e8 | 2013-04-30 17:24:15 -0700 | [diff] [blame] | 201 | public DisplayManagerService(Context context, Handler mainHandler) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 202 | mContext = context; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 203 | mHeadless = SystemProperties.get(SYSTEM_HEADLESS).equals("1"); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 204 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 205 | mHandler = new DisplayManagerHandler(mainHandler.getLooper()); |
Dianne Hackborn | 8d044e8 | 2013-04-30 17:24:15 -0700 | [diff] [blame] | 206 | mUiHandler = UiThread.getHandler(); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 207 | mDisplayAdapterListener = new DisplayAdapterListener(); |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 208 | mSingleDisplayDemoMode = SystemProperties.getBoolean("persist.demo.singledisplay", false); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 209 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 210 | mHandler.sendEmptyMessage(MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 211 | } |
| 212 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 213 | /** |
| 214 | * Pauses the boot process to wait for the first display to be initialized. |
| 215 | */ |
| 216 | public boolean waitForDefaultDisplay() { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 217 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 218 | long timeout = SystemClock.uptimeMillis() + WAIT_FOR_DEFAULT_DISPLAY_TIMEOUT; |
| 219 | while (mLogicalDisplays.get(Display.DEFAULT_DISPLAY) == null) { |
| 220 | long delay = timeout - SystemClock.uptimeMillis(); |
| 221 | if (delay <= 0) { |
| 222 | return false; |
| 223 | } |
| 224 | if (DEBUG) { |
| 225 | Slog.d(TAG, "waitForDefaultDisplay: waiting, timeout=" + delay); |
| 226 | } |
| 227 | try { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 228 | mSyncRoot.wait(delay); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 229 | } catch (InterruptedException ex) { |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | return true; |
| 234 | } |
| 235 | |
| 236 | /** |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 237 | * Called during initialization to associate the display manager with the |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 238 | * window manager. |
| 239 | */ |
| 240 | public void setWindowManager(WindowManagerFuncs windowManagerFuncs) { |
| 241 | synchronized (mSyncRoot) { |
| 242 | mWindowManagerFuncs = windowManagerFuncs; |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 243 | scheduleTraversalLocked(false); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 244 | } |
| 245 | } |
| 246 | |
| 247 | /** |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 248 | * Called during initialization to associate the display manager with the |
| 249 | * input manager. |
| 250 | */ |
| 251 | public void setInputManager(InputManagerFuncs inputManagerFuncs) { |
| 252 | synchronized (mSyncRoot) { |
| 253 | mInputManagerFuncs = inputManagerFuncs; |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 254 | scheduleTraversalLocked(false); |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 255 | } |
| 256 | } |
| 257 | |
| 258 | /** |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 259 | * Called when the system is ready to go. |
| 260 | */ |
| 261 | public void systemReady(boolean safeMode, boolean onlyCore) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 262 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 263 | mSafeMode = safeMode; |
| 264 | mOnlyCore = onlyCore; |
| 265 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 266 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 267 | mHandler.sendEmptyMessage(MSG_REGISTER_ADDITIONAL_DISPLAY_ADAPTERS); |
| 268 | } |
| 269 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 270 | /** |
| 271 | * Returns true if the device is headless. |
| 272 | * |
| 273 | * @return True if the device is headless. |
| 274 | */ |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 275 | public boolean isHeadless() { |
| 276 | return mHeadless; |
| 277 | } |
| 278 | |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 279 | /** |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 280 | * Registers a display transaction listener to provide the client a chance to |
| 281 | * update its surfaces within the same transaction as any display layout updates. |
| 282 | * |
| 283 | * @param listener The listener to register. |
| 284 | */ |
| 285 | public void registerDisplayTransactionListener(DisplayTransactionListener listener) { |
| 286 | if (listener == null) { |
| 287 | throw new IllegalArgumentException("listener must not be null"); |
| 288 | } |
| 289 | |
| 290 | // List is self-synchronized copy-on-write. |
| 291 | mDisplayTransactionListeners.add(listener); |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * Unregisters a display transaction listener to provide the client a chance to |
| 296 | * update its surfaces within the same transaction as any display layout updates. |
| 297 | * |
| 298 | * @param listener The listener to unregister. |
| 299 | */ |
| 300 | public void unregisterDisplayTransactionListener(DisplayTransactionListener listener) { |
| 301 | if (listener == null) { |
| 302 | throw new IllegalArgumentException("listener must not be null"); |
| 303 | } |
| 304 | |
| 305 | // List is self-synchronized copy-on-write. |
| 306 | mDisplayTransactionListeners.remove(listener); |
| 307 | } |
| 308 | |
| 309 | /** |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 310 | * Overrides the display information of a particular logical display. |
| 311 | * This is used by the window manager to control the size and characteristics |
| 312 | * of the default display. It is expected to apply the requested change |
| 313 | * to the display information synchronously so that applications will immediately |
| 314 | * observe the new state. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 315 | * |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 316 | * @param displayId The logical display id. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 317 | * @param info The new data to be stored. |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 318 | */ |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 319 | public void setDisplayInfoOverrideFromWindowManager( |
| 320 | int displayId, DisplayInfo info) { |
| 321 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 322 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 323 | if (display != null) { |
| 324 | mTempDisplayInfo.copyFrom(display.getDisplayInfoLocked()); |
| 325 | display.setDisplayInfoOverrideFromWindowManagerLocked(info); |
| 326 | if (!mTempDisplayInfo.equals(display.getDisplayInfoLocked())) { |
| 327 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_CHANGED); |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 328 | scheduleTraversalLocked(false); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 329 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /** |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 335 | * Sets the overscan insets for a particular display. |
| 336 | */ |
| 337 | public void setOverscan(int displayId, int left, int top, int right, int bottom) { |
| 338 | synchronized (mSyncRoot) { |
| 339 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
| 340 | if (display != null) { |
| 341 | display.setOverscan(left, top, right, bottom); |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | /** |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 347 | * Called by the window manager to perform traversals while holding a |
| 348 | * surface flinger transaction. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 349 | */ |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 350 | public void performTraversalInTransactionFromWindowManager() { |
| 351 | synchronized (mSyncRoot) { |
| 352 | if (!mPendingTraversal) { |
| 353 | return; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 354 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 355 | mPendingTraversal = false; |
| 356 | |
| 357 | performTraversalInTransactionLocked(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 358 | } |
Jeff Brown | 7f3994e | 2012-12-04 14:04:28 -0800 | [diff] [blame] | 359 | |
| 360 | // List is self-synchronized copy-on-write. |
| 361 | for (DisplayTransactionListener listener : mDisplayTransactionListeners) { |
| 362 | listener.onDisplayTransaction(); |
| 363 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | /** |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 367 | * Called by the power manager to blank all displays. |
| 368 | */ |
| 369 | public void blankAllDisplaysFromPowerManager() { |
| 370 | synchronized (mSyncRoot) { |
| 371 | if (mAllDisplayBlankStateFromPowerManager != DISPLAY_BLANK_STATE_BLANKED) { |
| 372 | mAllDisplayBlankStateFromPowerManager = DISPLAY_BLANK_STATE_BLANKED; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 373 | updateAllDisplayBlankingLocked(); |
Jeff Brown | 8ec0943 | 2012-10-16 16:19:23 -0700 | [diff] [blame] | 374 | scheduleTraversalLocked(false); |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 375 | } |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Called by the power manager to unblank all displays. |
| 381 | */ |
| 382 | public void unblankAllDisplaysFromPowerManager() { |
| 383 | synchronized (mSyncRoot) { |
| 384 | if (mAllDisplayBlankStateFromPowerManager != DISPLAY_BLANK_STATE_UNBLANKED) { |
| 385 | mAllDisplayBlankStateFromPowerManager = DISPLAY_BLANK_STATE_UNBLANKED; |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 386 | updateAllDisplayBlankingLocked(); |
Jeff Brown | 8ec0943 | 2012-10-16 16:19:23 -0700 | [diff] [blame] | 387 | scheduleTraversalLocked(false); |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 388 | } |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | /** |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 393 | * Returns information about the specified logical display. |
| 394 | * |
| 395 | * @param displayId The logical display id. |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 396 | * @return The logical display info, or null if the display does not exist. The |
| 397 | * returned object must be treated as immutable. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 398 | */ |
| 399 | @Override // Binder call |
| 400 | public DisplayInfo getDisplayInfo(int displayId) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 401 | final int callingUid = Binder.getCallingUid(); |
| 402 | final long token = Binder.clearCallingIdentity(); |
| 403 | try { |
| 404 | synchronized (mSyncRoot) { |
| 405 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
| 406 | if (display != null) { |
| 407 | DisplayInfo info = display.getDisplayInfoLocked(); |
| 408 | if (info.hasAccess(callingUid)) { |
| 409 | return info; |
| 410 | } |
| 411 | } |
| 412 | return null; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 413 | } |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 414 | } finally { |
| 415 | Binder.restoreCallingIdentity(token); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 416 | } |
| 417 | } |
| 418 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 419 | /** |
| 420 | * Returns the list of all display ids. |
| 421 | */ |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 422 | @Override // Binder call |
| 423 | public int[] getDisplayIds() { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 424 | final int callingUid = Binder.getCallingUid(); |
| 425 | final long token = Binder.clearCallingIdentity(); |
| 426 | try { |
| 427 | synchronized (mSyncRoot) { |
| 428 | final int count = mLogicalDisplays.size(); |
| 429 | int[] displayIds = new int[count]; |
| 430 | int n = 0; |
| 431 | for (int i = 0; i < count; i++) { |
| 432 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 433 | DisplayInfo info = display.getDisplayInfoLocked(); |
| 434 | if (info.hasAccess(callingUid)) { |
| 435 | displayIds[n++] = mLogicalDisplays.keyAt(i); |
| 436 | } |
| 437 | } |
| 438 | if (n != count) { |
| 439 | displayIds = Arrays.copyOfRange(displayIds, 0, n); |
| 440 | } |
| 441 | return displayIds; |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 442 | } |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 443 | } finally { |
| 444 | Binder.restoreCallingIdentity(token); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 445 | } |
| 446 | } |
| 447 | |
| 448 | @Override // Binder call |
| 449 | public void registerCallback(IDisplayManagerCallback callback) { |
| 450 | if (callback == null) { |
| 451 | throw new IllegalArgumentException("listener must not be null"); |
| 452 | } |
| 453 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 454 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 455 | int callingPid = Binder.getCallingPid(); |
| 456 | if (mCallbacks.get(callingPid) != null) { |
| 457 | throw new SecurityException("The calling process has already " |
| 458 | + "registered an IDisplayManagerCallback."); |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 459 | } |
| 460 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 461 | CallbackRecord record = new CallbackRecord(callingPid, callback); |
| 462 | try { |
| 463 | IBinder binder = callback.asBinder(); |
| 464 | binder.linkToDeath(record, 0); |
| 465 | } catch (RemoteException ex) { |
| 466 | // give up |
| 467 | throw new RuntimeException(ex); |
| 468 | } |
| 469 | |
| 470 | mCallbacks.put(callingPid, record); |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | private void onCallbackDied(int pid) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 475 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 476 | mCallbacks.remove(pid); |
| 477 | } |
| 478 | } |
| 479 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 480 | @Override // Binder call |
| 481 | public void scanWifiDisplays() { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 482 | final long token = Binder.clearCallingIdentity(); |
| 483 | try { |
| 484 | synchronized (mSyncRoot) { |
Jeff Brown | 21c7153 | 2012-09-09 13:26:55 -0700 | [diff] [blame] | 485 | if (mWifiDisplayAdapter != null) { |
| 486 | mWifiDisplayAdapter.requestScanLocked(); |
| 487 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 488 | } |
| 489 | } finally { |
| 490 | Binder.restoreCallingIdentity(token); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | @Override // Binder call |
| 495 | public void connectWifiDisplay(String address) { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 496 | if (address == null) { |
| 497 | throw new IllegalArgumentException("address must not be null"); |
| 498 | } |
| 499 | |
Jeff Brown | bc33545 | 2012-09-26 18:34:47 -0700 | [diff] [blame] | 500 | final boolean trusted = canCallerConfigureWifiDisplay(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 501 | final long token = Binder.clearCallingIdentity(); |
| 502 | try { |
| 503 | synchronized (mSyncRoot) { |
Jeff Brown | 21c7153 | 2012-09-09 13:26:55 -0700 | [diff] [blame] | 504 | if (mWifiDisplayAdapter != null) { |
Jeff Brown | bc33545 | 2012-09-26 18:34:47 -0700 | [diff] [blame] | 505 | mWifiDisplayAdapter.requestConnectLocked(address, trusted); |
Jeff Brown | 21c7153 | 2012-09-09 13:26:55 -0700 | [diff] [blame] | 506 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 507 | } |
| 508 | } finally { |
| 509 | Binder.restoreCallingIdentity(token); |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | @Override // Binder call |
| 514 | public void disconnectWifiDisplay() { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 515 | final long token = Binder.clearCallingIdentity(); |
| 516 | try { |
| 517 | synchronized (mSyncRoot) { |
Jeff Brown | 21c7153 | 2012-09-09 13:26:55 -0700 | [diff] [blame] | 518 | if (mWifiDisplayAdapter != null) { |
| 519 | mWifiDisplayAdapter.requestDisconnectLocked(); |
| 520 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 521 | } |
| 522 | } finally { |
| 523 | Binder.restoreCallingIdentity(token); |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | @Override // Binder call |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 528 | public void renameWifiDisplay(String address, String alias) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 529 | if (address == null) { |
| 530 | throw new IllegalArgumentException("address must not be null"); |
| 531 | } |
Jeff Brown | bc33545 | 2012-09-26 18:34:47 -0700 | [diff] [blame] | 532 | if (!canCallerConfigureWifiDisplay()) { |
| 533 | throw new SecurityException("Requires CONFIGURE_WIFI_DISPLAY permission to " |
| 534 | + "rename a wifi display."); |
| 535 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 536 | |
| 537 | final long token = Binder.clearCallingIdentity(); |
| 538 | try { |
| 539 | synchronized (mSyncRoot) { |
| 540 | if (mWifiDisplayAdapter != null) { |
| 541 | mWifiDisplayAdapter.requestRenameLocked(address, alias); |
| 542 | } |
| 543 | } |
| 544 | } finally { |
| 545 | Binder.restoreCallingIdentity(token); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | @Override // Binder call |
| 550 | public void forgetWifiDisplay(String address) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 551 | if (address == null) { |
| 552 | throw new IllegalArgumentException("address must not be null"); |
| 553 | } |
Jeff Brown | bc33545 | 2012-09-26 18:34:47 -0700 | [diff] [blame] | 554 | if (!canCallerConfigureWifiDisplay()) { |
| 555 | throw new SecurityException("Requires CONFIGURE_WIFI_DISPLAY permission to " |
| 556 | + "forget a wifi display."); |
| 557 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 558 | |
| 559 | final long token = Binder.clearCallingIdentity(); |
| 560 | try { |
| 561 | synchronized (mSyncRoot) { |
| 562 | if (mWifiDisplayAdapter != null) { |
| 563 | mWifiDisplayAdapter.requestForgetLocked(address); |
| 564 | } |
| 565 | } |
| 566 | } finally { |
| 567 | Binder.restoreCallingIdentity(token); |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | @Override // Binder call |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 572 | public WifiDisplayStatus getWifiDisplayStatus() { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 573 | final long token = Binder.clearCallingIdentity(); |
| 574 | try { |
| 575 | synchronized (mSyncRoot) { |
Jeff Brown | 21c7153 | 2012-09-09 13:26:55 -0700 | [diff] [blame] | 576 | if (mWifiDisplayAdapter != null) { |
| 577 | return mWifiDisplayAdapter.getWifiDisplayStatusLocked(); |
Jeff Brown | 21c7153 | 2012-09-09 13:26:55 -0700 | [diff] [blame] | 578 | } |
Craig Mautner | 0bf6ec9 | 2012-12-18 08:33:27 -0800 | [diff] [blame] | 579 | return new WifiDisplayStatus(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 580 | } |
| 581 | } finally { |
| 582 | Binder.restoreCallingIdentity(token); |
| 583 | } |
| 584 | } |
| 585 | |
Jeff Brown | bc33545 | 2012-09-26 18:34:47 -0700 | [diff] [blame] | 586 | private boolean canCallerConfigureWifiDisplay() { |
| 587 | return mContext.checkCallingPermission(android.Manifest.permission.CONFIGURE_WIFI_DISPLAY) |
| 588 | == PackageManager.PERMISSION_GRANTED; |
| 589 | } |
| 590 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 591 | @Override // Binder call |
| 592 | public int createPrivateVirtualDisplay(IBinder appToken, String packageName, |
| 593 | String name, int width, int height, int densityDpi, Surface surface) { |
| 594 | final int callingUid = Binder.getCallingUid(); |
| 595 | if (!validatePackageName(callingUid, packageName)) { |
| 596 | throw new SecurityException("packageName must match the calling uid"); |
| 597 | } |
| 598 | if (appToken == null) { |
| 599 | throw new IllegalArgumentException("appToken must not be null"); |
| 600 | } |
| 601 | if (TextUtils.isEmpty(name)) { |
| 602 | throw new IllegalArgumentException("name must be non-null and non-empty"); |
| 603 | } |
| 604 | if (width <= 0 || height <= 0 || densityDpi <= 0) { |
| 605 | throw new IllegalArgumentException("width, height, and densityDpi must be " |
| 606 | + "greater than 0"); |
| 607 | } |
| 608 | if (surface == null) { |
| 609 | throw new IllegalArgumentException("surface must not be null"); |
| 610 | } |
| 611 | |
| 612 | final long token = Binder.clearCallingIdentity(); |
| 613 | try { |
| 614 | synchronized (mSyncRoot) { |
| 615 | if (mVirtualDisplayAdapter == null) { |
| 616 | Slog.w(TAG, "Rejecting request to create private virtual display " |
| 617 | + "because the virtual display adapter is not available."); |
| 618 | return -1; |
| 619 | } |
| 620 | |
| 621 | DisplayDevice device = mVirtualDisplayAdapter.createPrivateVirtualDisplayLocked( |
| 622 | appToken, callingUid, packageName, name, width, height, densityDpi, |
| 623 | surface); |
| 624 | if (device == null) { |
| 625 | return -1; |
| 626 | } |
| 627 | |
| 628 | handleDisplayDeviceAddedLocked(device); |
| 629 | LogicalDisplay display = findLogicalDisplayForDeviceLocked(device); |
| 630 | if (display != null) { |
| 631 | return display.getDisplayIdLocked(); |
| 632 | } |
| 633 | |
| 634 | // Something weird happened and the logical display was not created. |
| 635 | Slog.w(TAG, "Rejecting request to create private virtual display " |
| 636 | + "because the logical display was not created."); |
| 637 | mVirtualDisplayAdapter.releaseVirtualDisplayLocked(appToken); |
| 638 | handleDisplayDeviceRemovedLocked(device); |
| 639 | } |
| 640 | } finally { |
| 641 | Binder.restoreCallingIdentity(token); |
| 642 | } |
| 643 | return -1; |
| 644 | } |
| 645 | |
| 646 | @Override // Binder call |
| 647 | public void releaseVirtualDisplay(IBinder appToken) { |
| 648 | final long token = Binder.clearCallingIdentity(); |
| 649 | try { |
| 650 | synchronized (mSyncRoot) { |
| 651 | if (mVirtualDisplayAdapter == null) { |
| 652 | return; |
| 653 | } |
| 654 | |
| 655 | DisplayDevice device = |
| 656 | mVirtualDisplayAdapter.releaseVirtualDisplayLocked(appToken); |
| 657 | if (device != null) { |
| 658 | handleDisplayDeviceRemovedLocked(device); |
| 659 | } |
| 660 | } |
| 661 | } finally { |
| 662 | Binder.restoreCallingIdentity(token); |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | private boolean validatePackageName(int uid, String packageName) { |
| 667 | if (packageName != null) { |
| 668 | String[] packageNames = mContext.getPackageManager().getPackagesForUid(uid); |
| 669 | if (packageNames != null) { |
| 670 | for (String n : packageNames) { |
| 671 | if (n.equals(packageName)) { |
| 672 | return true; |
| 673 | } |
| 674 | } |
| 675 | } |
| 676 | } |
| 677 | return false; |
| 678 | } |
| 679 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 680 | private void registerDefaultDisplayAdapter() { |
| 681 | // Register default display adapter. |
| 682 | synchronized (mSyncRoot) { |
| 683 | if (mHeadless) { |
| 684 | registerDisplayAdapterLocked(new HeadlessDisplayAdapter( |
| 685 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener)); |
| 686 | } else { |
| 687 | registerDisplayAdapterLocked(new LocalDisplayAdapter( |
| 688 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener)); |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | private void registerAdditionalDisplayAdapters() { |
| 694 | synchronized (mSyncRoot) { |
| 695 | if (shouldRegisterNonEssentialDisplayAdaptersLocked()) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 696 | registerOverlayDisplayAdapterLocked(); |
| 697 | registerWifiDisplayAdapterLocked(); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 698 | registerVirtualDisplayAdapterLocked(); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 699 | } |
| 700 | } |
| 701 | } |
| 702 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 703 | private void registerOverlayDisplayAdapterLocked() { |
| 704 | registerDisplayAdapterLocked(new OverlayDisplayAdapter( |
| 705 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener, mUiHandler)); |
| 706 | } |
| 707 | |
| 708 | private void registerWifiDisplayAdapterLocked() { |
| 709 | if (mContext.getResources().getBoolean( |
Jeff Brown | bbd28a2 | 2012-09-20 16:47:15 -0700 | [diff] [blame] | 710 | com.android.internal.R.bool.config_enableWifiDisplay) |
| 711 | || SystemProperties.getInt(FORCE_WIFI_DISPLAY_ENABLE, -1) == 1) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 712 | mWifiDisplayAdapter = new WifiDisplayAdapter( |
| 713 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener, |
| 714 | mPersistentDataStore); |
| 715 | registerDisplayAdapterLocked(mWifiDisplayAdapter); |
| 716 | } |
| 717 | } |
| 718 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 719 | private void registerVirtualDisplayAdapterLocked() { |
| 720 | mVirtualDisplayAdapter = new VirtualDisplayAdapter( |
| 721 | mSyncRoot, mContext, mHandler, mDisplayAdapterListener); |
| 722 | registerDisplayAdapterLocked(mVirtualDisplayAdapter); |
| 723 | } |
| 724 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 725 | private boolean shouldRegisterNonEssentialDisplayAdaptersLocked() { |
| 726 | // In safe mode, we disable non-essential display adapters to give the user |
| 727 | // an opportunity to fix broken settings or other problems that might affect |
| 728 | // system stability. |
| 729 | // In only-core mode, we disable non-essential display adapters to minimize |
| 730 | // the number of dependencies that are started while in this mode and to |
| 731 | // prevent problems that might occur due to the device being encrypted. |
| 732 | return !mSafeMode && !mOnlyCore; |
| 733 | } |
| 734 | |
| 735 | private void registerDisplayAdapterLocked(DisplayAdapter adapter) { |
| 736 | mDisplayAdapters.add(adapter); |
| 737 | adapter.registerLocked(); |
| 738 | } |
| 739 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 740 | private void handleDisplayDeviceAdded(DisplayDevice device) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 741 | synchronized (mSyncRoot) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 742 | handleDisplayDeviceAddedLocked(device); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 743 | } |
| 744 | } |
| 745 | |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 746 | private void handleDisplayDeviceAddedLocked(DisplayDevice device) { |
| 747 | if (mDisplayDevices.contains(device)) { |
| 748 | Slog.w(TAG, "Attempted to add already added display device: " |
| 749 | + device.getDisplayDeviceInfoLocked()); |
| 750 | return; |
| 751 | } |
| 752 | |
| 753 | Slog.i(TAG, "Display device added: " + device.getDisplayDeviceInfoLocked()); |
| 754 | |
| 755 | mDisplayDevices.add(device); |
| 756 | addLogicalDisplayLocked(device); |
| 757 | updateDisplayBlankingLocked(device); |
| 758 | scheduleTraversalLocked(false); |
| 759 | } |
| 760 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 761 | private void handleDisplayDeviceChanged(DisplayDevice device) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 762 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 763 | if (!mDisplayDevices.contains(device)) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 764 | Slog.w(TAG, "Attempted to change non-existent display device: " |
| 765 | + device.getDisplayDeviceInfoLocked()); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 766 | return; |
| 767 | } |
| 768 | |
Jeff Brown | e87bf03 | 2012-09-20 18:30:13 -0700 | [diff] [blame] | 769 | Slog.i(TAG, "Display device changed: " + device.getDisplayDeviceInfoLocked()); |
| 770 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 771 | device.applyPendingDisplayDeviceInfoChangesLocked(); |
| 772 | if (updateLogicalDisplaysLocked()) { |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 773 | scheduleTraversalLocked(false); |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 778 | private void handleDisplayDeviceRemoved(DisplayDevice device) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 779 | synchronized (mSyncRoot) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 780 | handleDisplayDeviceRemovedLocked(device); |
| 781 | } |
| 782 | } |
| 783 | private void handleDisplayDeviceRemovedLocked(DisplayDevice device) { |
| 784 | if (!mDisplayDevices.remove(device)) { |
| 785 | Slog.w(TAG, "Attempted to remove non-existent display device: " |
| 786 | + device.getDisplayDeviceInfoLocked()); |
| 787 | return; |
| 788 | } |
| 789 | |
| 790 | Slog.i(TAG, "Display device removed: " + device.getDisplayDeviceInfoLocked()); |
| 791 | |
| 792 | mRemovedDisplayDevices.add(device); |
| 793 | updateLogicalDisplaysLocked(); |
| 794 | scheduleTraversalLocked(false); |
| 795 | } |
| 796 | |
| 797 | private void updateAllDisplayBlankingLocked() { |
| 798 | final int count = mDisplayDevices.size(); |
| 799 | for (int i = 0; i < count; i++) { |
| 800 | DisplayDevice device = mDisplayDevices.get(i); |
| 801 | updateDisplayBlankingLocked(device); |
| 802 | } |
| 803 | } |
| 804 | |
| 805 | private void updateDisplayBlankingLocked(DisplayDevice device) { |
| 806 | // Blank or unblank the display immediately to match the state requested |
| 807 | // by the power manager (if known). |
| 808 | DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked(); |
| 809 | if ((info.flags & DisplayDeviceInfo.FLAG_NEVER_BLANK) == 0) { |
| 810 | switch (mAllDisplayBlankStateFromPowerManager) { |
| 811 | case DISPLAY_BLANK_STATE_BLANKED: |
| 812 | device.blankLocked(); |
| 813 | break; |
| 814 | case DISPLAY_BLANK_STATE_UNBLANKED: |
| 815 | device.unblankLocked(); |
| 816 | break; |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 817 | } |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 818 | } |
| 819 | } |
| 820 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 821 | // Adds a new logical display based on the given display device. |
| 822 | // Sends notifications if needed. |
| 823 | private void addLogicalDisplayLocked(DisplayDevice device) { |
| 824 | DisplayDeviceInfo deviceInfo = device.getDisplayDeviceInfoLocked(); |
| 825 | boolean isDefault = (deviceInfo.flags |
| 826 | & DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY) != 0; |
| 827 | if (isDefault && mLogicalDisplays.get(Display.DEFAULT_DISPLAY) != null) { |
| 828 | Slog.w(TAG, "Ignoring attempt to add a second default display: " + deviceInfo); |
| 829 | isDefault = false; |
| 830 | } |
| 831 | |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 832 | if (!isDefault && mSingleDisplayDemoMode) { |
| 833 | Slog.i(TAG, "Not creating a logical display for a secondary display " |
| 834 | + " because single display demo mode is enabled: " + deviceInfo); |
| 835 | return; |
| 836 | } |
| 837 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 838 | final int displayId = assignDisplayIdLocked(isDefault); |
| 839 | final int layerStack = assignLayerStackLocked(displayId); |
| 840 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 841 | LogicalDisplay display = new LogicalDisplay(displayId, layerStack, device); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 842 | display.updateLocked(mDisplayDevices); |
| 843 | if (!display.isValidLocked()) { |
| 844 | // This should never happen currently. |
| 845 | Slog.w(TAG, "Ignoring display device because the logical display " |
| 846 | + "created from it was not considered valid: " + deviceInfo); |
| 847 | return; |
| 848 | } |
| 849 | |
| 850 | mLogicalDisplays.put(displayId, display); |
| 851 | |
| 852 | // Wake up waitForDefaultDisplay. |
| 853 | if (isDefault) { |
| 854 | mSyncRoot.notifyAll(); |
| 855 | } |
| 856 | |
| 857 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_ADDED); |
| 858 | } |
| 859 | |
| 860 | private int assignDisplayIdLocked(boolean isDefault) { |
| 861 | return isDefault ? Display.DEFAULT_DISPLAY : mNextNonDefaultDisplayId++; |
| 862 | } |
| 863 | |
| 864 | private int assignLayerStackLocked(int displayId) { |
| 865 | // Currently layer stacks and display ids are the same. |
| 866 | // This need not be the case. |
| 867 | return displayId; |
| 868 | } |
| 869 | |
| 870 | // Updates all existing logical displays given the current set of display devices. |
| 871 | // Removes invalid logical displays. |
| 872 | // Sends notifications if needed. |
| 873 | private boolean updateLogicalDisplaysLocked() { |
| 874 | boolean changed = false; |
| 875 | for (int i = mLogicalDisplays.size(); i-- > 0; ) { |
| 876 | final int displayId = mLogicalDisplays.keyAt(i); |
| 877 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 878 | |
| 879 | mTempDisplayInfo.copyFrom(display.getDisplayInfoLocked()); |
| 880 | display.updateLocked(mDisplayDevices); |
| 881 | if (!display.isValidLocked()) { |
| 882 | mLogicalDisplays.removeAt(i); |
| 883 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_REMOVED); |
| 884 | changed = true; |
| 885 | } else if (!mTempDisplayInfo.equals(display.getDisplayInfoLocked())) { |
| 886 | sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_CHANGED); |
| 887 | changed = true; |
| 888 | } |
| 889 | } |
| 890 | return changed; |
| 891 | } |
| 892 | |
| 893 | private void performTraversalInTransactionLocked() { |
| 894 | // Perform one last traversal for each removed display device. |
| 895 | final int removedCount = mRemovedDisplayDevices.size(); |
| 896 | for (int i = 0; i < removedCount; i++) { |
| 897 | DisplayDevice device = mRemovedDisplayDevices.get(i); |
| 898 | device.performTraversalInTransactionLocked(); |
| 899 | } |
| 900 | mRemovedDisplayDevices.clear(); |
| 901 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 902 | // Clear all viewports before configuring displays so that we can keep |
| 903 | // track of which ones we have configured. |
| 904 | clearViewportsLocked(); |
| 905 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 906 | // Configure each display device. |
| 907 | final int count = mDisplayDevices.size(); |
| 908 | for (int i = 0; i < count; i++) { |
| 909 | DisplayDevice device = mDisplayDevices.get(i); |
| 910 | configureDisplayInTransactionLocked(device); |
| 911 | device.performTraversalInTransactionLocked(); |
| 912 | } |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 913 | |
| 914 | // Tell the input system about these new viewports. |
| 915 | if (mInputManagerFuncs != null) { |
| 916 | mHandler.sendEmptyMessage(MSG_UPDATE_VIEWPORT); |
| 917 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 918 | } |
| 919 | |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 920 | /** |
| 921 | * Tells the display manager whether there is interesting unique content on the |
| 922 | * specified logical display. This is used to control automatic mirroring. |
| 923 | * <p> |
| 924 | * If the display has unique content, then the display manager arranges for it |
| 925 | * to be presented on a physical display if appropriate. Otherwise, the display manager |
| 926 | * may choose to make the physical display mirror some other logical display. |
| 927 | * </p> |
| 928 | * |
| 929 | * @param displayId The logical display id to update. |
| 930 | * @param hasContent True if the logical display has content. |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 931 | * @param inTraversal True if called from WindowManagerService during a window traversal prior |
| 932 | * to call to performTraversalInTransactionFromWindowManager. |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 933 | */ |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 934 | public void setDisplayHasContent(int displayId, boolean hasContent, boolean inTraversal) { |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 935 | synchronized (mSyncRoot) { |
| 936 | LogicalDisplay display = mLogicalDisplays.get(displayId); |
| 937 | if (display != null && display.hasContentLocked() != hasContent) { |
| 938 | display.setHasContentLocked(hasContent); |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 939 | scheduleTraversalLocked(inTraversal); |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 940 | } |
| 941 | } |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 942 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 943 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 944 | private void clearViewportsLocked() { |
| 945 | mDefaultViewport.valid = false; |
| 946 | mExternalTouchViewport.valid = false; |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 947 | } |
| 948 | |
| 949 | private void configureDisplayInTransactionLocked(DisplayDevice device) { |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 950 | DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked(); |
| 951 | boolean isPrivate = (info.flags & DisplayDeviceInfo.FLAG_PRIVATE) != 0; |
| 952 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 953 | // Find the logical display that the display device is showing. |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 954 | // Private displays never mirror other displays. |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 955 | LogicalDisplay display = findLogicalDisplayForDeviceLocked(device); |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 956 | if (!isPrivate) { |
| 957 | if (display != null && !display.hasContentLocked()) { |
| 958 | // If the display does not have any content of its own, then |
| 959 | // automatically mirror the default logical display contents. |
| 960 | display = null; |
| 961 | } |
| 962 | if (display == null) { |
| 963 | display = mLogicalDisplays.get(Display.DEFAULT_DISPLAY); |
| 964 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 965 | } |
| 966 | |
| 967 | // Apply the logical display configuration to the display device. |
| 968 | if (display == null) { |
| 969 | // TODO: no logical display for the device, blank it |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 970 | Slog.w(TAG, "Missing logical display to use for physical display device: " |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 971 | + device.getDisplayDeviceInfoLocked()); |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 972 | return; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 973 | } |
Jeff Brown | a506a6e | 2013-06-04 00:02:38 -0700 | [diff] [blame] | 974 | boolean isBlanked = (mAllDisplayBlankStateFromPowerManager == DISPLAY_BLANK_STATE_BLANKED) |
| 975 | && (info.flags & DisplayDeviceInfo.FLAG_NEVER_BLANK) == 0; |
Craig Mautner | 0bf6ec9 | 2012-12-18 08:33:27 -0800 | [diff] [blame] | 976 | display.configureDisplayInTransactionLocked(device, isBlanked); |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 977 | |
| 978 | // Update the viewports if needed. |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 979 | if (!mDefaultViewport.valid |
| 980 | && (info.flags & DisplayDeviceInfo.FLAG_DEFAULT_DISPLAY) != 0) { |
| 981 | setViewportLocked(mDefaultViewport, display, device); |
| 982 | } |
| 983 | if (!mExternalTouchViewport.valid |
| 984 | && info.touch == DisplayDeviceInfo.TOUCH_EXTERNAL) { |
| 985 | setViewportLocked(mExternalTouchViewport, display, device); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | private static void setViewportLocked(DisplayViewport viewport, |
| 990 | LogicalDisplay display, DisplayDevice device) { |
| 991 | viewport.valid = true; |
| 992 | viewport.displayId = display.getDisplayIdLocked(); |
| 993 | device.populateViewportLocked(viewport); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 994 | } |
| 995 | |
| 996 | private LogicalDisplay findLogicalDisplayForDeviceLocked(DisplayDevice device) { |
| 997 | final int count = mLogicalDisplays.size(); |
| 998 | for (int i = 0; i < count; i++) { |
| 999 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 1000 | if (display.getPrimaryDisplayDeviceLocked() == device) { |
| 1001 | return display; |
| 1002 | } |
| 1003 | } |
| 1004 | return null; |
| 1005 | } |
| 1006 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1007 | private void sendDisplayEventLocked(int displayId, int event) { |
| 1008 | Message msg = mHandler.obtainMessage(MSG_DELIVER_DISPLAY_EVENT, displayId, event); |
| 1009 | mHandler.sendMessage(msg); |
| 1010 | } |
| 1011 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1012 | // Requests that performTraversalsInTransactionFromWindowManager be called at a |
| 1013 | // later time to apply changes to surfaces and displays. |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 1014 | private void scheduleTraversalLocked(boolean inTraversal) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1015 | if (!mPendingTraversal && mWindowManagerFuncs != null) { |
| 1016 | mPendingTraversal = true; |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 1017 | if (!inTraversal) { |
| 1018 | mHandler.sendEmptyMessage(MSG_REQUEST_TRAVERSAL); |
| 1019 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | // Runs on Handler thread. |
| 1024 | // Delivers display event notifications to callbacks. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1025 | private void deliverDisplayEvent(int displayId, int event) { |
| 1026 | if (DEBUG) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1027 | Slog.d(TAG, "Delivering display event: displayId=" |
| 1028 | + displayId + ", event=" + event); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1029 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1030 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1031 | // Grab the lock and copy the callbacks. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1032 | final int count; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1033 | synchronized (mSyncRoot) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1034 | count = mCallbacks.size(); |
| 1035 | mTempCallbacks.clear(); |
| 1036 | for (int i = 0; i < count; i++) { |
| 1037 | mTempCallbacks.add(mCallbacks.valueAt(i)); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 1038 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1039 | } |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 1040 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1041 | // After releasing the lock, send the notifications out. |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1042 | for (int i = 0; i < count; i++) { |
| 1043 | mTempCallbacks.get(i).notifyDisplayEventAsync(displayId, event); |
| 1044 | } |
| 1045 | mTempCallbacks.clear(); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 1046 | } |
| 1047 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1048 | @Override // Binder call |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1049 | public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) { |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1050 | if (mContext == null |
| 1051 | || mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP) |
| 1052 | != PackageManager.PERMISSION_GRANTED) { |
| 1053 | pw.println("Permission Denial: can't dump DisplayManager from from pid=" |
| 1054 | + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| 1055 | return; |
| 1056 | } |
| 1057 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1058 | pw.println("DISPLAY MANAGER (dumpsys display)"); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1059 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1060 | synchronized (mSyncRoot) { |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 1061 | pw.println(" mHeadless=" + mHeadless); |
| 1062 | pw.println(" mOnlyCode=" + mOnlyCore); |
| 1063 | pw.println(" mSafeMode=" + mSafeMode); |
| 1064 | pw.println(" mPendingTraversal=" + mPendingTraversal); |
| 1065 | pw.println(" mAllDisplayBlankStateFromPowerManager=" |
| 1066 | + mAllDisplayBlankStateFromPowerManager); |
| 1067 | pw.println(" mNextNonDefaultDisplayId=" + mNextNonDefaultDisplayId); |
| 1068 | pw.println(" mDefaultViewport=" + mDefaultViewport); |
| 1069 | pw.println(" mExternalTouchViewport=" + mExternalTouchViewport); |
Jeff Brown | 27f1d67 | 2012-10-17 18:32:34 -0700 | [diff] [blame] | 1070 | pw.println(" mSingleDisplayDemoMode=" + mSingleDisplayDemoMode); |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 1071 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1072 | IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1073 | ipw.increaseIndent(); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1074 | |
| 1075 | pw.println(); |
| 1076 | pw.println("Display Adapters: size=" + mDisplayAdapters.size()); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 1077 | for (DisplayAdapter adapter : mDisplayAdapters) { |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1078 | pw.println(" " + adapter.getName()); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1079 | adapter.dumpLocked(ipw); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 1080 | } |
Craig Mautner | 9de4936 | 2012-08-02 14:30:30 -0700 | [diff] [blame] | 1081 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1082 | pw.println(); |
| 1083 | pw.println("Display Devices: size=" + mDisplayDevices.size()); |
| 1084 | for (DisplayDevice device : mDisplayDevices) { |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1085 | pw.println(" " + device.getDisplayDeviceInfoLocked()); |
| 1086 | device.dumpLocked(ipw); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1087 | } |
| 1088 | |
| 1089 | final int logicalDisplayCount = mLogicalDisplays.size(); |
| 1090 | pw.println(); |
| 1091 | pw.println("Logical Displays: size=" + logicalDisplayCount); |
| 1092 | for (int i = 0; i < logicalDisplayCount; i++) { |
| 1093 | int displayId = mLogicalDisplays.keyAt(i); |
| 1094 | LogicalDisplay display = mLogicalDisplays.valueAt(i); |
| 1095 | pw.println(" Display " + displayId + ":"); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1096 | display.dumpLocked(ipw); |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1097 | } |
| 1098 | } |
| 1099 | } |
| 1100 | |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1101 | /** |
| 1102 | * This is the object that everything in the display manager locks on. |
| 1103 | * We make it an inner class within the {@link DisplayManagerService} to so that it is |
| 1104 | * clear that the object belongs to the display manager service and that it is |
| 1105 | * a unique object with a special purpose. |
| 1106 | */ |
| 1107 | public static final class SyncRoot { |
| 1108 | } |
| 1109 | |
| 1110 | /** |
| 1111 | * Private interface to the window manager. |
| 1112 | */ |
| 1113 | public interface WindowManagerFuncs { |
| 1114 | /** |
Craig Mautner | 722285e | 2012-09-07 13:55:58 -0700 | [diff] [blame] | 1115 | * Request that the window manager call |
| 1116 | * {@link #performTraversalInTransactionFromWindowManager} within a surface |
| 1117 | * transaction at a later time. |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1118 | */ |
| 1119 | void requestTraversal(); |
| 1120 | } |
| 1121 | |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 1122 | /** |
| 1123 | * Private interface to the input manager. |
| 1124 | */ |
| 1125 | public interface InputManagerFuncs { |
| 1126 | /** |
| 1127 | * Sets information about the displays as needed by the input system. |
| 1128 | * The input system should copy this information if required. |
| 1129 | */ |
| 1130 | void setDisplayViewports(DisplayViewport defaultViewport, |
| 1131 | DisplayViewport externalTouchViewport); |
| 1132 | } |
| 1133 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1134 | private final class DisplayManagerHandler extends Handler { |
| 1135 | public DisplayManagerHandler(Looper looper) { |
| 1136 | super(looper, null, true /*async*/); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 1137 | } |
Jeff Brown | bf5740e | 2012-08-19 23:20:02 -0700 | [diff] [blame] | 1138 | |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1139 | @Override |
| 1140 | public void handleMessage(Message msg) { |
| 1141 | switch (msg.what) { |
| 1142 | case MSG_REGISTER_DEFAULT_DISPLAY_ADAPTER: |
| 1143 | registerDefaultDisplayAdapter(); |
| 1144 | break; |
| 1145 | |
| 1146 | case MSG_REGISTER_ADDITIONAL_DISPLAY_ADAPTERS: |
| 1147 | registerAdditionalDisplayAdapters(); |
| 1148 | break; |
| 1149 | |
| 1150 | case MSG_DELIVER_DISPLAY_EVENT: |
| 1151 | deliverDisplayEvent(msg.arg1, msg.arg2); |
| 1152 | break; |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1153 | |
| 1154 | case MSG_REQUEST_TRAVERSAL: |
| 1155 | mWindowManagerFuncs.requestTraversal(); |
| 1156 | break; |
Jeff Brown | d728bf5 | 2012-09-08 18:05:28 -0700 | [diff] [blame] | 1157 | |
| 1158 | case MSG_UPDATE_VIEWPORT: { |
| 1159 | synchronized (mSyncRoot) { |
| 1160 | mTempDefaultViewport.copyFrom(mDefaultViewport); |
| 1161 | mTempExternalTouchViewport.copyFrom(mExternalTouchViewport); |
| 1162 | } |
| 1163 | mInputManagerFuncs.setDisplayViewports( |
| 1164 | mTempDefaultViewport, mTempExternalTouchViewport); |
| 1165 | break; |
| 1166 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1167 | } |
| 1168 | } |
| 1169 | } |
| 1170 | |
| 1171 | private final class DisplayAdapterListener implements DisplayAdapter.Listener { |
| 1172 | @Override |
| 1173 | public void onDisplayDeviceEvent(DisplayDevice device, int event) { |
| 1174 | switch (event) { |
| 1175 | case DisplayAdapter.DISPLAY_DEVICE_EVENT_ADDED: |
| 1176 | handleDisplayDeviceAdded(device); |
| 1177 | break; |
| 1178 | |
| 1179 | case DisplayAdapter.DISPLAY_DEVICE_EVENT_CHANGED: |
| 1180 | handleDisplayDeviceChanged(device); |
| 1181 | break; |
| 1182 | |
| 1183 | case DisplayAdapter.DISPLAY_DEVICE_EVENT_REMOVED: |
| 1184 | handleDisplayDeviceRemoved(device); |
| 1185 | break; |
| 1186 | } |
| 1187 | } |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1188 | |
| 1189 | @Override |
| 1190 | public void onTraversalRequested() { |
| 1191 | synchronized (mSyncRoot) { |
Craig Mautner | 65d11b3 | 2012-10-01 13:59:52 -0700 | [diff] [blame] | 1192 | scheduleTraversalLocked(false); |
Jeff Brown | 4ed8fe7 | 2012-08-30 18:18:29 -0700 | [diff] [blame] | 1193 | } |
| 1194 | } |
Jeff Brown | bd6e150 | 2012-08-28 03:27:37 -0700 | [diff] [blame] | 1195 | } |
| 1196 | |
| 1197 | private final class CallbackRecord implements DeathRecipient { |
| 1198 | private final int mPid; |
| 1199 | private final IDisplayManagerCallback mCallback; |
| 1200 | |
| 1201 | public CallbackRecord(int pid, IDisplayManagerCallback callback) { |
| 1202 | mPid = pid; |
| 1203 | mCallback = callback; |
| 1204 | } |
| 1205 | |
| 1206 | @Override |
| 1207 | public void binderDied() { |
| 1208 | if (DEBUG) { |
| 1209 | Slog.d(TAG, "Display listener for pid " + mPid + " died."); |
| 1210 | } |
| 1211 | onCallbackDied(mPid); |
| 1212 | } |
| 1213 | |
| 1214 | public void notifyDisplayEventAsync(int displayId, int event) { |
| 1215 | try { |
| 1216 | mCallback.onDisplayEvent(displayId, event); |
| 1217 | } catch (RemoteException ex) { |
| 1218 | Slog.w(TAG, "Failed to notify process " |
| 1219 | + mPid + " that displays changed, assuming it died.", ex); |
| 1220 | binderDied(); |
| 1221 | } |
| 1222 | } |
| 1223 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 1224 | } |