| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.tv.pip; |
| |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.ActivityManager.StackInfo; |
| import android.app.ActivityManagerNative; |
| import android.app.ActivityOptions; |
| import android.app.IActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.Resources; |
| import android.graphics.Rect; |
| import android.media.session.MediaController; |
| import android.media.session.MediaSessionManager; |
| import android.media.session.PlaybackState; |
| import android.os.Debug; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.os.SystemProperties; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import com.android.systemui.Prefs; |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUIApplication; |
| import com.android.systemui.recents.misc.SystemServicesProxy.TaskStackListener; |
| import com.android.systemui.recents.misc.SystemServicesProxy; |
| import com.android.systemui.statusbar.tv.TvStatusBar; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.PINNED_STACK_ID; |
| import static com.android.systemui.Prefs.Key.TV_PICTURE_IN_PICTURE_ONBOARDING_SHOWN; |
| |
| /** |
| * Manages the picture-in-picture (PIP) UI and states. |
| */ |
| public class PipManager { |
| private static final String TAG = "PipManager"; |
| private static final boolean DEBUG = false; |
| private static final boolean DEBUG_FORCE_ONBOARDING = |
| SystemProperties.getBoolean("debug.tv.pip_force_onboarding", false); |
| |
| private static PipManager sPipManager; |
| |
| private static final int MAX_RUNNING_TASKS_COUNT = 10; |
| |
| /** |
| * List of package and class name which are considered as Settings, |
| * so PIP location should be adjusted to the left of the side panel. |
| */ |
| private static final List<Pair<String, String>> sSettingsPackageAndClassNamePairList; |
| static { |
| sSettingsPackageAndClassNamePairList = new ArrayList<>(); |
| sSettingsPackageAndClassNamePairList.add(new Pair<String, String>( |
| "com.android.tv.settings", null)); |
| sSettingsPackageAndClassNamePairList.add(new Pair<String, String>( |
| "com.google.android.leanbacklauncher", |
| "com.google.android.leanbacklauncher.settings.HomeScreenSettingsActivity")); |
| sSettingsPackageAndClassNamePairList.add(new Pair<String, String>( |
| "com.google.android.apps.mediashell", |
| "com.google.android.apps.mediashell.settings.CastSettingsActivity")); |
| sSettingsPackageAndClassNamePairList.add(new Pair<String, String>( |
| "com.google.android.katniss", |
| "com.google.android.katniss.setting.SpeechSettingsActivity")); |
| sSettingsPackageAndClassNamePairList.add(new Pair<String, String>( |
| "com.google.android.katniss", |
| "com.google.android.katniss.setting.SearchSettingsActivity")); |
| sSettingsPackageAndClassNamePairList.add(new Pair<String, String>( |
| "com.google.android.gsf.notouch", |
| "com.google.android.gsf.notouch.UsageDiagnosticsSettingActivity")); |
| } |
| |
| /** |
| * State when there's no PIP. |
| */ |
| public static final int STATE_NO_PIP = 0; |
| /** |
| * State when PIP is shown with an overlay message on top of it. |
| * This is used as default PIP state. |
| */ |
| public static final int STATE_PIP_OVERLAY = 1; |
| /** |
| * State when PIP menu dialog is shown. |
| */ |
| public static final int STATE_PIP_MENU = 2; |
| /** |
| * State when PIP is shown in Recents. |
| */ |
| public static final int STATE_PIP_RECENTS = 3; |
| /** |
| * State when PIP is shown in Recents and it's focused to allow an user to control. |
| */ |
| public static final int STATE_PIP_RECENTS_FOCUSED = 4; |
| |
| private static final int TASK_ID_NO_PIP = -1; |
| private static final int INVALID_RESOURCE_TYPE = -1; |
| |
| public static final int SUSPEND_PIP_RESIZE_REASON_WAITING_FOR_MENU_ACTIVITY_FINISH = 0x1; |
| public static final int SUSPEND_PIP_RESIZE_REASON_WAITING_FOR_OVERLAY_ACTIVITY_FINISH = 0x2; |
| |
| /** |
| * PIPed activity is playing a media and it can be paused. |
| */ |
| static final int PLAYBACK_STATE_PLAYING = 0; |
| /** |
| * PIPed activity has a paused media and it can be played. |
| */ |
| static final int PLAYBACK_STATE_PAUSED = 1; |
| /** |
| * Users are unable to control PIPed activity's media playback. |
| */ |
| static final int PLAYBACK_STATE_UNAVAILABLE = 2; |
| |
| private static final int CLOSE_PIP_WHEN_MEDIA_SESSION_GONE_TIMEOUT_MS = 3000; |
| |
| private int mSuspendPipResizingReason; |
| |
| private Context mContext; |
| private PipRecentsOverlayManager mPipRecentsOverlayManager; |
| private IActivityManager mActivityManager; |
| private MediaSessionManager mMediaSessionManager; |
| private int mState = STATE_NO_PIP; |
| private final Handler mHandler = new Handler(); |
| private List<Listener> mListeners = new ArrayList<>(); |
| private List<MediaListener> mMediaListeners = new ArrayList<>(); |
| private Rect mCurrentPipBounds; |
| private Rect mPipBounds; |
| private Rect mDefaultPipBounds; |
| private Rect mSettingsPipBounds; |
| private Rect mMenuModePipBounds; |
| private Rect mRecentsPipBounds; |
| private Rect mRecentsFocusedPipBounds; |
| private int mRecentsFocusChangedAnimationDurationMs; |
| private boolean mInitialized; |
| private int mPipTaskId = TASK_ID_NO_PIP; |
| private ComponentName mPipComponentName; |
| private MediaController mPipMediaController; |
| private boolean mOnboardingShown; |
| private String[] mLastPackagesResourceGranted; |
| |
| private final Runnable mResizePinnedStackRunnable = new Runnable() { |
| @Override |
| public void run() { |
| resizePinnedStack(mState); |
| } |
| }; |
| private final Runnable mClosePipRunnable = new Runnable() { |
| @Override |
| public void run() { |
| closePip(); |
| } |
| }; |
| |
| private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (Intent.ACTION_MEDIA_RESOURCE_GRANTED.equals(action)) { |
| String[] packageNames = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); |
| int resourceType = intent.getIntExtra(Intent.EXTRA_MEDIA_RESOURCE_TYPE, |
| INVALID_RESOURCE_TYPE); |
| if (packageNames != null && packageNames.length > 0 |
| && resourceType == Intent.EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC) { |
| handleMediaResourceGranted(packageNames); |
| } |
| } |
| |
| } |
| }; |
| private final MediaSessionManager.OnActiveSessionsChangedListener mActiveMediaSessionListener = |
| new MediaSessionManager.OnActiveSessionsChangedListener() { |
| @Override |
| public void onActiveSessionsChanged(List<MediaController> controllers) { |
| updateMediaController(controllers); |
| } |
| }; |
| |
| private PipManager() { } |
| |
| /** |
| * Initializes {@link PipManager}. |
| */ |
| public void initialize(Context context) { |
| if (mInitialized) { |
| return; |
| } |
| mInitialized = true; |
| mContext = context; |
| |
| mActivityManager = ActivityManagerNative.getDefault(); |
| SystemServicesProxy.getInstance(context).registerTaskStackListener(mTaskStackListener); |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_MEDIA_RESOURCE_GRANTED); |
| mContext.registerReceiver(mBroadcastReceiver, intentFilter); |
| mOnboardingShown = Prefs.getBoolean( |
| mContext, TV_PICTURE_IN_PICTURE_ONBOARDING_SHOWN, false); |
| |
| loadConfigurationsAndApply(); |
| mPipRecentsOverlayManager = new PipRecentsOverlayManager(context); |
| mMediaSessionManager = |
| (MediaSessionManager) mContext.getSystemService(Context.MEDIA_SESSION_SERVICE); |
| } |
| |
| private void loadConfigurationsAndApply() { |
| Resources res = mContext.getResources(); |
| mDefaultPipBounds = Rect.unflattenFromString(res.getString( |
| com.android.internal.R.string.config_defaultPictureInPictureBounds)); |
| mSettingsPipBounds = Rect.unflattenFromString(res.getString( |
| R.string.pip_settings_bounds)); |
| mMenuModePipBounds = Rect.unflattenFromString(res.getString( |
| R.string.pip_menu_bounds)); |
| mRecentsPipBounds = Rect.unflattenFromString(res.getString( |
| R.string.pip_recents_bounds)); |
| mRecentsFocusedPipBounds = Rect.unflattenFromString(res.getString( |
| R.string.pip_recents_focused_bounds)); |
| mRecentsFocusChangedAnimationDurationMs = res.getInteger( |
| R.integer.recents_tv_pip_focus_anim_duration); |
| |
| // Reset the PIP bounds and apply. PIP bounds can be changed by two reasons. |
| // 1. Configuration changed due to the language change (RTL <-> RTL) |
| // 2. SystemUI restarts after the crash |
| mPipBounds = isSettingsShown() ? mSettingsPipBounds : mDefaultPipBounds; |
| resizePinnedStack(getPinnedStackInfo() == null ? STATE_NO_PIP : STATE_PIP_OVERLAY); |
| } |
| |
| /** |
| * Updates the PIP per configuration changed. |
| */ |
| void onConfigurationChanged() { |
| loadConfigurationsAndApply(); |
| mPipRecentsOverlayManager.onConfigurationChanged(mContext); |
| } |
| |
| /** |
| * Shows the picture-in-picture menu if an activity is in picture-in-picture mode. |
| */ |
| public void showTvPictureInPictureMenu() { |
| if (mState == STATE_PIP_OVERLAY) { |
| resizePinnedStack(STATE_PIP_MENU); |
| } |
| } |
| |
| /** |
| * Closes PIP (PIPed activity and PIP system UI). |
| */ |
| public void closePip() { |
| closePipInternal(true); |
| } |
| |
| private void closePipInternal(boolean removePipStack) { |
| mState = STATE_NO_PIP; |
| mPipTaskId = TASK_ID_NO_PIP; |
| mPipMediaController = null; |
| mMediaSessionManager.removeOnActiveSessionsChangedListener(mActiveMediaSessionListener); |
| if (removePipStack) { |
| try { |
| mActivityManager.removeStack(PINNED_STACK_ID); |
| } catch (RemoteException e) { |
| Log.e(TAG, "removeStack failed", e); |
| } |
| } |
| for (int i = mListeners.size() - 1; i >= 0; --i) { |
| mListeners.get(i).onPipActivityClosed(); |
| } |
| mHandler.removeCallbacks(mClosePipRunnable); |
| updatePipVisibility(false); |
| } |
| |
| /** |
| * Moves the PIPed activity to the fullscreen and closes PIP system UI. |
| */ |
| void movePipToFullscreen() { |
| mState = STATE_NO_PIP; |
| mPipTaskId = TASK_ID_NO_PIP; |
| for (int i = mListeners.size() - 1; i >= 0; --i) { |
| mListeners.get(i).onMoveToFullscreen(); |
| } |
| resizePinnedStack(mState); |
| } |
| |
| /** |
| * Shows PIP overlay UI by launching {@link PipOverlayActivity}. It also locates the pinned |
| * stack to the default PIP bound {@link com.android.internal.R.string |
| * .config_defaultPictureInPictureBounds}. |
| */ |
| private void showPipOverlay() { |
| if (DEBUG) Log.d(TAG, "showPipOverlay()"); |
| PipOverlayActivity.showPipOverlay(mContext); |
| } |
| |
| /** |
| * Suspends resizing operation on the Pip until {@link #resumePipResizing} is called |
| * @param reason The reason for suspending resizing operations on the Pip. |
| */ |
| public void suspendPipResizing(int reason) { |
| if (DEBUG) Log.d(TAG, |
| "suspendPipResizing() reason=" + reason + " callers=" + Debug.getCallers(2)); |
| mSuspendPipResizingReason |= reason; |
| } |
| |
| /** |
| * Resumes resizing operation on the Pip that was previously suspended. |
| * @param reason The reason resizing operations on the Pip was suspended. |
| */ |
| public void resumePipResizing(int reason) { |
| if ((mSuspendPipResizingReason & reason) == 0) { |
| return; |
| } |
| if (DEBUG) Log.d(TAG, |
| "resumePipResizing() reason=" + reason + " callers=" + Debug.getCallers(2)); |
| mSuspendPipResizingReason &= ~reason; |
| mHandler.post(mResizePinnedStackRunnable); |
| } |
| |
| /** |
| * Resize the Pip to the appropriate size for the input state. |
| * @param state In Pip state also used to determine the new size for the Pip. |
| */ |
| void resizePinnedStack(int state) { |
| if (DEBUG) Log.d(TAG, "resizePinnedStack() state=" + state); |
| boolean wasRecentsShown = |
| (mState == STATE_PIP_RECENTS || mState == STATE_PIP_RECENTS_FOCUSED); |
| mState = state; |
| for (int i = mListeners.size() - 1; i >= 0; --i) { |
| mListeners.get(i).onPipResizeAboutToStart(); |
| } |
| if (mSuspendPipResizingReason != 0) { |
| if (DEBUG) Log.d(TAG, |
| "resizePinnedStack() deferring mSuspendPipResizingReason=" + |
| mSuspendPipResizingReason); |
| return; |
| } |
| switch (mState) { |
| case STATE_NO_PIP: |
| mCurrentPipBounds = null; |
| break; |
| case STATE_PIP_MENU: |
| mCurrentPipBounds = mMenuModePipBounds; |
| break; |
| case STATE_PIP_OVERLAY: |
| mCurrentPipBounds = mPipBounds; |
| break; |
| case STATE_PIP_RECENTS: |
| mCurrentPipBounds = mRecentsPipBounds; |
| break; |
| case STATE_PIP_RECENTS_FOCUSED: |
| mCurrentPipBounds = mRecentsFocusedPipBounds; |
| break; |
| default: |
| mCurrentPipBounds = mPipBounds; |
| break; |
| } |
| try { |
| int animationDurationMs = -1; |
| if (wasRecentsShown |
| && (mState == STATE_PIP_RECENTS || mState == STATE_PIP_RECENTS_FOCUSED)) { |
| animationDurationMs = mRecentsFocusChangedAnimationDurationMs; |
| } |
| mActivityManager.resizeStack(PINNED_STACK_ID, mCurrentPipBounds, |
| true, true, true, animationDurationMs); |
| } catch (RemoteException e) { |
| Log.e(TAG, "resizeStack failed", e); |
| } |
| } |
| |
| /** |
| * Returns the default PIP bound. |
| */ |
| public Rect getPipBounds() { |
| return mPipBounds; |
| } |
| |
| /** |
| * Returns the focused PIP bound while Recents is shown. |
| * This is used to place PIP controls in Recents. |
| */ |
| public Rect getRecentsFocusedPipBounds() { |
| return mRecentsFocusedPipBounds; |
| } |
| |
| /** |
| * Shows PIP menu UI by launching {@link PipMenuActivity}. It also locates the pinned |
| * stack to the centered PIP bound {@link R.config_centeredPictureInPictureBounds}. |
| */ |
| private void showPipMenu() { |
| if (DEBUG) Log.d(TAG, "showPipMenu()"); |
| if (mPipRecentsOverlayManager.isRecentsShown()) { |
| if (DEBUG) Log.d(TAG, "Ignore showing PIP menu"); |
| return; |
| } |
| mState = STATE_PIP_MENU; |
| for (int i = mListeners.size() - 1; i >= 0; --i) { |
| mListeners.get(i).onShowPipMenu(); |
| } |
| Intent intent = new Intent(mContext, PipMenuActivity.class); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| mContext.startActivity(intent); |
| } |
| |
| /** |
| * Adds a {@link Listener} to PipManager. |
| */ |
| public void addListener(Listener listener) { |
| mListeners.add(listener); |
| } |
| |
| /** |
| * Removes a {@link Listener} from PipManager. |
| */ |
| public void removeListener(Listener listener) { |
| mListeners.remove(listener); |
| } |
| |
| /** |
| * Adds a {@link MediaListener} to PipManager. |
| */ |
| public void addMediaListener(MediaListener listener) { |
| mMediaListeners.add(listener); |
| } |
| |
| /** |
| * Removes a {@link MediaListener} from PipManager. |
| */ |
| public void removeMediaListener(MediaListener listener) { |
| mMediaListeners.remove(listener); |
| } |
| |
| private void launchPipOnboardingActivityIfNeeded() { |
| if (DEBUG_FORCE_ONBOARDING || !mOnboardingShown) { |
| mOnboardingShown = true; |
| Prefs.putBoolean(mContext, TV_PICTURE_IN_PICTURE_ONBOARDING_SHOWN, true); |
| |
| Intent intent = new Intent(mContext, PipOnboardingActivity.class); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| mContext.startActivity(intent); |
| } |
| } |
| |
| /** |
| * Returns {@code true} if PIP is shown. |
| */ |
| public boolean isPipShown() { |
| return mState != STATE_NO_PIP; |
| } |
| |
| private StackInfo getPinnedStackInfo() { |
| StackInfo stackInfo = null; |
| try { |
| stackInfo = mActivityManager.getStackInfo(PINNED_STACK_ID); |
| } catch (RemoteException e) { |
| Log.e(TAG, "getStackInfo failed", e); |
| } |
| return stackInfo; |
| } |
| |
| private void handleMediaResourceGranted(String[] packageNames) { |
| if (mState == STATE_NO_PIP) { |
| mLastPackagesResourceGranted = packageNames; |
| } else { |
| boolean requestedFromLastPackages = false; |
| if (mLastPackagesResourceGranted != null) { |
| for (String packageName : mLastPackagesResourceGranted) { |
| for (String newPackageName : packageNames) { |
| if (TextUtils.equals(newPackageName, packageName)) { |
| requestedFromLastPackages = true; |
| break; |
| } |
| } |
| } |
| } |
| mLastPackagesResourceGranted = packageNames; |
| if (!requestedFromLastPackages) { |
| closePip(); |
| } |
| } |
| } |
| |
| private void updateMediaController(List<MediaController> controllers) { |
| MediaController mediaController = null; |
| if (controllers != null && mState != STATE_NO_PIP && mPipComponentName != null) { |
| for (int i = controllers.size() - 1; i >= 0; i--) { |
| MediaController controller = controllers.get(i); |
| // We assumes that an app with PIPable activity |
| // keeps the single instance of media controller especially when PIP is on. |
| if (controller.getPackageName().equals(mPipComponentName.getPackageName())) { |
| mediaController = controller; |
| break; |
| } |
| } |
| } |
| if (mPipMediaController != mediaController) { |
| mPipMediaController = mediaController; |
| for (int i = mMediaListeners.size() - 1; i >= 0; i--) { |
| mMediaListeners.get(i).onMediaControllerChanged(); |
| } |
| if (mPipMediaController == null) { |
| mHandler.postDelayed(mClosePipRunnable, |
| CLOSE_PIP_WHEN_MEDIA_SESSION_GONE_TIMEOUT_MS); |
| } else { |
| mHandler.removeCallbacks(mClosePipRunnable); |
| } |
| } |
| } |
| |
| /** |
| * Gets the {@link android.media.session.MediaController} for the PIPed activity. |
| */ |
| MediaController getMediaController() { |
| return mPipMediaController; |
| } |
| |
| /** |
| * Returns the PIPed activity's playback state. |
| * This returns one of {@link PLAYBACK_STATE_PLAYING}, {@link PLAYBACK_STATE_PAUSED}, |
| * or {@link PLAYBACK_STATE_UNAVAILABLE}. |
| */ |
| int getPlaybackState() { |
| if (mPipMediaController == null || mPipMediaController.getPlaybackState() == null) { |
| return PLAYBACK_STATE_UNAVAILABLE; |
| } |
| int state = mPipMediaController.getPlaybackState().getState(); |
| boolean isPlaying = (state == PlaybackState.STATE_BUFFERING |
| || state == PlaybackState.STATE_CONNECTING |
| || state == PlaybackState.STATE_PLAYING |
| || state == PlaybackState.STATE_FAST_FORWARDING |
| || state == PlaybackState.STATE_REWINDING |
| || state == PlaybackState.STATE_SKIPPING_TO_PREVIOUS |
| || state == PlaybackState.STATE_SKIPPING_TO_NEXT); |
| long actions = mPipMediaController.getPlaybackState().getActions(); |
| if (!isPlaying && ((actions & PlaybackState.ACTION_PLAY) != 0)) { |
| return PLAYBACK_STATE_PAUSED; |
| } else if (isPlaying && ((actions & PlaybackState.ACTION_PAUSE) != 0)) { |
| return PLAYBACK_STATE_PLAYING; |
| } |
| return PLAYBACK_STATE_UNAVAILABLE; |
| } |
| |
| private boolean isSettingsShown() { |
| List<RunningTaskInfo> runningTasks; |
| try { |
| runningTasks = mActivityManager.getTasks(1, 0); |
| if (runningTasks == null || runningTasks.size() == 0) { |
| return false; |
| } |
| } catch (RemoteException e) { |
| Log.d(TAG, "Failed to detect top activity", e); |
| return false; |
| } |
| ComponentName topActivity = runningTasks.get(0).topActivity; |
| for (Pair<String, String> componentName : sSettingsPackageAndClassNamePairList) { |
| String packageName = componentName.first; |
| if (topActivity.getPackageName().equals(packageName)) { |
| String className = componentName.second; |
| if (className == null || topActivity.getClassName().equals(className)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private TaskStackListener mTaskStackListener = new TaskStackListener() { |
| @Override |
| public void onTaskStackChanged() { |
| if (mState != STATE_NO_PIP) { |
| boolean hasPip = false; |
| |
| StackInfo stackInfo = getPinnedStackInfo(); |
| if (stackInfo == null || stackInfo.taskIds == null) { |
| Log.w(TAG, "There is nothing in pinned stack"); |
| closePipInternal(false); |
| return; |
| } |
| for (int i = stackInfo.taskIds.length - 1; i >= 0; --i) { |
| if (stackInfo.taskIds[i] == mPipTaskId) { |
| // PIP task is still alive. |
| hasPip = true; |
| break; |
| } |
| } |
| if (!hasPip) { |
| // PIP task doesn't exist anymore in PINNED_STACK. |
| closePipInternal(true); |
| return; |
| } |
| } |
| if (mState == STATE_PIP_OVERLAY) { |
| Rect bounds = isSettingsShown() ? mSettingsPipBounds : mDefaultPipBounds; |
| if (mPipBounds != bounds) { |
| mPipBounds = bounds; |
| resizePinnedStack(STATE_PIP_OVERLAY); |
| } |
| } |
| } |
| |
| @Override |
| public void onActivityPinned() { |
| if (DEBUG) Log.d(TAG, "onActivityPinned()"); |
| StackInfo stackInfo = getPinnedStackInfo(); |
| if (stackInfo == null) { |
| Log.w(TAG, "Cannot find pinned stack"); |
| return; |
| } |
| if (DEBUG) Log.d(TAG, "PINNED_STACK:" + stackInfo); |
| mPipTaskId = stackInfo.taskIds[stackInfo.taskIds.length - 1]; |
| mPipComponentName = ComponentName.unflattenFromString( |
| stackInfo.taskNames[stackInfo.taskNames.length - 1]); |
| // Set state to overlay so we show it when the pinned stack animation ends. |
| mState = STATE_PIP_OVERLAY; |
| mCurrentPipBounds = mPipBounds; |
| launchPipOnboardingActivityIfNeeded(); |
| mMediaSessionManager.addOnActiveSessionsChangedListener( |
| mActiveMediaSessionListener, null); |
| updateMediaController(mMediaSessionManager.getActiveSessions(null)); |
| if (mPipRecentsOverlayManager.isRecentsShown()) { |
| // If an activity becomes PIPed again after the fullscreen, the Recents is shown |
| // behind so we need to resize the pinned stack and show the correct overlay. |
| resizePinnedStack(STATE_PIP_RECENTS); |
| } |
| for (int i = mListeners.size() - 1; i >= 0; i--) { |
| mListeners.get(i).onPipEntered(); |
| } |
| updatePipVisibility(true); |
| } |
| |
| @Override |
| public void onPinnedActivityRestartAttempt() { |
| if (DEBUG) Log.d(TAG, "onPinnedActivityRestartAttempt()"); |
| // If PIPed activity is launched again by Launcher or intent, make it fullscreen. |
| movePipToFullscreen(); |
| } |
| |
| @Override |
| public void onPinnedStackAnimationEnded() { |
| if (DEBUG) Log.d(TAG, "onPinnedStackAnimationEnded()"); |
| switch (mState) { |
| case STATE_PIP_OVERLAY: |
| if (!mPipRecentsOverlayManager.isRecentsShown()) { |
| showPipOverlay(); |
| break; |
| } else { |
| // This happens only if an activity is PIPed after the Recents is shown. |
| // See {@link PipRecentsOverlayManager.requestFocus} for more details. |
| resizePinnedStack(mState); |
| break; |
| } |
| case STATE_PIP_RECENTS: |
| case STATE_PIP_RECENTS_FOCUSED: |
| mPipRecentsOverlayManager.addPipRecentsOverlayView(); |
| break; |
| case STATE_PIP_MENU: |
| showPipMenu(); |
| break; |
| } |
| } |
| }; |
| |
| /** |
| * A listener interface to receive notification on changes in PIP. |
| */ |
| public interface Listener { |
| /** |
| * Invoked when an activity is pinned and PIP manager is set corresponding information. |
| * Classes must use this instead of {@link android.app.ITaskStackListener.onActivityPinned} |
| * because there's no guarantee for the PIP manager be return relavent information |
| * correctly. (e.g. {@link isPipShown}). |
| */ |
| void onPipEntered(); |
| /** Invoked when a PIPed activity is closed. */ |
| void onPipActivityClosed(); |
| /** Invoked when the PIP menu gets shown. */ |
| void onShowPipMenu(); |
| /** Invoked when the PIPed activity is about to return back to the fullscreen. */ |
| void onMoveToFullscreen(); |
| /** Invoked when we are above to start resizing the Pip. */ |
| void onPipResizeAboutToStart(); |
| } |
| |
| /** |
| * A listener interface to receive change in PIP's media controller |
| */ |
| public interface MediaListener { |
| /** Invoked when the MediaController on PIPed activity is changed. */ |
| void onMediaControllerChanged(); |
| } |
| |
| /** |
| * Gets an instance of {@link PipManager}. |
| */ |
| public static PipManager getInstance() { |
| if (sPipManager == null) { |
| sPipManager = new PipManager(); |
| } |
| return sPipManager; |
| } |
| |
| /** |
| * Gets an instance of {@link PipRecentsOverlayManager}. |
| */ |
| public PipRecentsOverlayManager getPipRecentsOverlayManager() { |
| return mPipRecentsOverlayManager; |
| } |
| |
| private void updatePipVisibility(boolean visible) { |
| TvStatusBar statusBar = ((SystemUIApplication) mContext).getComponent(TvStatusBar.class); |
| if (statusBar != null) { |
| statusBar.updatePipVisibility(visible); |
| } |
| } |
| } |
