| /* |
| * 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.recents.tv; |
| |
| import android.app.Activity; |
| import android.app.ActivityOptions; |
| import android.content.Intent; |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.ViewTreeObserver.OnPreDrawListener; |
| import android.view.WindowManager; |
| import android.widget.FrameLayout.LayoutParams; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.recents.Recents; |
| import com.android.systemui.recents.RecentsActivityLaunchState; |
| import com.android.systemui.recents.RecentsConfiguration; |
| import com.android.systemui.recents.RecentsImpl; |
| import com.android.systemui.recents.events.EventBus; |
| import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent; |
| import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted; |
| import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent; |
| import com.android.systemui.recents.events.activity.EnterRecentsWindowLastAnimationFrameEvent; |
| import com.android.systemui.recents.events.activity.HideRecentsEvent; |
| import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent; |
| import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent; |
| import com.android.systemui.recents.events.activity.ToggleRecentsEvent; |
| import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent; |
| import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent; |
| import com.android.systemui.recents.events.ui.DeleteTaskDataEvent; |
| import com.android.systemui.recents.events.ui.UpdateFreeformTaskViewVisibilityEvent; |
| import com.android.systemui.recents.events.ui.UserInteractionEvent; |
| import com.android.systemui.recents.events.ui.focus.DismissFocusedTaskViewEvent; |
| import com.android.systemui.recents.misc.SystemServicesProxy; |
| import com.android.systemui.recents.model.RecentsPackageMonitor; |
| import com.android.systemui.recents.model.RecentsTaskLoadPlan; |
| import com.android.systemui.recents.model.RecentsTaskLoader; |
| import com.android.systemui.recents.model.Task; |
| import com.android.systemui.recents.model.TaskStack; |
| import com.android.systemui.recents.tv.views.RecentsTvView; |
| import com.android.systemui.recents.tv.views.TaskStackHorizontalViewAdapter; |
| import com.android.systemui.statusbar.BaseStatusBar; |
| import com.android.systemui.tv.pip.PipManager; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * The main TV recents activity started by the RecentsImpl. |
| */ |
| public class RecentsTvActivity extends Activity implements OnPreDrawListener { |
| private final static String TAG = "RecentsTvActivity"; |
| private final static boolean DEBUG = false; |
| |
| public final static int EVENT_BUS_PRIORITY = Recents.EVENT_BUS_PRIORITY + 1; |
| |
| private boolean mFinishedOnStartup; |
| private RecentsPackageMonitor mPackageMonitor; |
| private long mLastTabKeyEventTime; |
| private boolean mIgnoreAltTabRelease; |
| |
| private RecentsTvView mRecentsView; |
| private View mPipView; |
| private View mPipShadeView; |
| private TaskStackHorizontalViewAdapter mTaskStackViewAdapter; |
| private FinishRecentsRunnable mFinishLaunchHomeRunnable; |
| |
| private PipManager mPipManager; |
| private PipManager.Listener mPipListener = new PipManager.Listener() { |
| @Override |
| public void onPipActivityClosed() { |
| mPipView.setVisibility(View.GONE); |
| mPipShadeView.setVisibility(View.GONE); |
| } |
| |
| @Override |
| public void onShowPipMenu() { } |
| |
| @Override |
| public void onMoveToFullscreen() { } |
| |
| @Override |
| public void onPipResizeAboutToStart() { } |
| }; |
| |
| /** |
| * A common Runnable to finish Recents by launching Home with an animation depending on the |
| * last activity launch state. Generally we always launch home when we exit Recents rather than |
| * just finishing the activity since we don't know what is behind Recents in the task stack. |
| */ |
| class FinishRecentsRunnable implements Runnable { |
| Intent mLaunchIntent; |
| |
| /** |
| * Creates a finish runnable that starts the specified intent. |
| */ |
| public FinishRecentsRunnable(Intent launchIntent) { |
| mLaunchIntent = launchIntent; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| RecentsActivityLaunchState launchState = |
| Recents.getConfiguration().getLaunchState(); |
| ActivityOptions opts = ActivityOptions.makeCustomAnimation(RecentsTvActivity.this, |
| launchState.launchedFromSearchHome ? |
| R.anim.recents_to_search_launcher_enter : |
| R.anim.recents_to_launcher_enter, |
| launchState.launchedFromSearchHome ? |
| R.anim.recents_to_search_launcher_exit : |
| R.anim.recents_to_launcher_exit); |
| startActivityAsUser(mLaunchIntent, opts.toBundle(), UserHandle.CURRENT); |
| } catch (Exception e) { |
| Log.e(TAG, getString(R.string.recents_launch_error_message, "Home"), e); |
| } |
| } |
| } |
| |
| private void updateRecentsTasks() { |
| RecentsTaskLoader loader = Recents.getTaskLoader(); |
| RecentsTaskLoadPlan plan = RecentsImpl.consumeInstanceLoadPlan(); |
| if (plan == null) { |
| plan = loader.createLoadPlan(this); |
| } |
| |
| RecentsConfiguration config = Recents.getConfiguration(); |
| RecentsActivityLaunchState launchState = config.getLaunchState(); |
| if (!plan.hasTasks()) { |
| loader.preloadTasks(plan, -1, launchState.launchedFromHome); |
| } |
| TaskStack stack = plan.getTaskStack(); |
| RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options(); |
| loadOpts.runningTaskId = launchState.launchedToTaskId; |
| loadOpts.numVisibleTasks = stack.getStackTaskCount(); |
| loadOpts.numVisibleTaskThumbnails = stack.getStackTaskCount(); |
| loader.loadTasks(this, plan, loadOpts); |
| |
| |
| mRecentsView.setTaskStack(stack); |
| if (mTaskStackViewAdapter == null) { |
| mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stack.getStackTasks()); |
| mRecentsView.setTaskStackViewAdapter(mTaskStackViewAdapter); |
| } else { |
| mTaskStackViewAdapter.setNewStackTasks(stack.getStackTasks()); |
| } |
| |
| if (launchState.launchedToTaskId != -1) { |
| ArrayList<Task> tasks = stack.getStackTasks(); |
| int taskCount = tasks.size(); |
| for (int i = 0; i < taskCount; i++) { |
| Task t = tasks.get(i); |
| if (t.key.id == launchState.launchedToTaskId) { |
| t.isLaunchTarget = true; |
| break; |
| } |
| } |
| } |
| } |
| |
| boolean dismissRecentsToLaunchTargetTaskOrHome() { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) { |
| // If we have a focused Task, launch that Task now |
| if (mRecentsView.launchPreviousTask()) return true; |
| // If none of the other cases apply, then just go Home |
| dismissRecentsToHome(true /* animateTaskViews */); |
| } |
| return false; |
| } |
| |
| boolean dismissRecentsToFocusedTaskOrHome() { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) { |
| // If we have a focused Task, launch that Task now |
| if (mRecentsView.launchFocusedTask()) return true; |
| // If none of the other cases apply, then just go Home |
| dismissRecentsToHome(true /* animateTaskViews */); |
| return true; |
| } |
| return false; |
| } |
| |
| void dismissRecentsToHome(boolean animateTaskViews) { |
| DismissRecentsToHomeAnimationStarted dismissEvent = |
| new DismissRecentsToHomeAnimationStarted(animateTaskViews); |
| dismissEvent.addPostAnimationCallback(mFinishLaunchHomeRunnable); |
| dismissEvent.addPostAnimationCallback(new Runnable() { |
| @Override |
| public void run() { |
| Recents.getSystemServices().sendCloseSystemWindows( |
| BaseStatusBar.SYSTEM_DIALOG_REASON_HOME_KEY); |
| } |
| }); |
| EventBus.getDefault().send(dismissEvent); |
| } |
| |
| boolean dismissRecentsToHomeIfVisible(boolean animated) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) { |
| // Return to Home |
| dismissRecentsToHome(animated); |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| mFinishedOnStartup = false; |
| |
| // In the case that the activity starts up before the Recents component has initialized |
| // (usually when debugging/pushing the SysUI apk), just finish this activity. |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (ssp == null) { |
| mFinishedOnStartup = true; |
| finish(); |
| return; |
| } |
| mPipManager = PipManager.getInstance(); |
| |
| // Register this activity with the event bus |
| EventBus.getDefault().register(this, EVENT_BUS_PRIORITY); |
| |
| mPackageMonitor = new RecentsPackageMonitor(); |
| mPackageMonitor.register(this); |
| |
| // Set the Recents layout |
| setContentView(R.layout.recents_on_tv); |
| |
| mRecentsView = (RecentsTvView) findViewById(R.id.recents_view); |
| mRecentsView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | |
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | |
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION); |
| mPipView = findViewById(R.id.pip); |
| mPipShadeView = findViewById(R.id.pip_shade); |
| getWindow().getAttributes().privateFlags |= |
| WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_DECOR_VIEW_VISIBILITY; |
| |
| // Create the home intent runnable |
| Intent homeIntent = new Intent(Intent.ACTION_MAIN, null); |
| homeIntent.addCategory(Intent.CATEGORY_HOME); |
| homeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | |
| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); |
| mFinishLaunchHomeRunnable = new FinishRecentsRunnable(homeIntent); |
| } |
| |
| @Override |
| protected void onNewIntent(Intent intent) { |
| super.onNewIntent(intent); |
| setIntent(intent); |
| } |
| |
| @Override |
| protected void onStart() { |
| super.onStart(); |
| |
| // Update the recent tasks |
| updateRecentsTasks(); |
| |
| // If this is a new instance from a configuration change, then we have to manually trigger |
| // the enter animation state, or if recents was relaunched by AM, without going through |
| // the normal mechanisms |
| RecentsConfiguration config = Recents.getConfiguration(); |
| RecentsActivityLaunchState launchState = config.getLaunchState(); |
| boolean wasLaunchedByAm = !launchState.launchedFromHome && |
| !launchState.launchedFromAppWithThumbnail; |
| if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) { |
| EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent()); |
| } |
| |
| // Notify that recents is now visible |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true)); |
| |
| if (mPipManager.isPipShown()) { |
| // Place mPipView at the PIP bounds for fine tuned focus handling. |
| Rect pipBounds = mPipManager.getPipBounds(); |
| LayoutParams lp = (LayoutParams) mPipView.getLayoutParams(); |
| lp.width = pipBounds.width(); |
| lp.height = pipBounds.height(); |
| lp.leftMargin = pipBounds.left; |
| lp.topMargin = pipBounds.top; |
| mPipView.setLayoutParams(lp); |
| |
| mPipView.setVisibility(View.VISIBLE); |
| mPipView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| mPipManager.resizePinnedStack(PipManager.STATE_PIP_MENU); |
| } |
| }); |
| mPipView.setOnFocusChangeListener(new View.OnFocusChangeListener() { |
| @Override |
| public void onFocusChange(View v, boolean hasFocus) { |
| mPipManager.onPipViewFocusChangedInRecents(hasFocus); |
| mPipShadeView.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE); |
| } |
| }); |
| mPipManager.addListener(mPipListener); |
| } else { |
| mPipView.setVisibility(View.GONE); |
| } |
| mPipManager.onRecentsStarted(); |
| // Give focus to the recents row whenever its visible to an user. |
| mRecentsView.requestFocus(); |
| } |
| |
| @Override |
| public void onEnterAnimationComplete() { |
| super.onEnterAnimationComplete(); |
| EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent()); |
| } |
| |
| @Override |
| protected void onStop() { |
| super.onStop(); |
| |
| mPipManager.onRecentsStopped(); |
| mPipManager.removeListener(mPipListener); |
| mIgnoreAltTabRelease = false; |
| // Notify that recents is now hidden |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, false)); |
| |
| // Workaround for b/22542869, if the RecentsActivity is started again, but without going |
| // through SystemUI, we need to reset the config launch flags to ensure that we do not |
| // wait on the system to send a signal that was never queued. |
| RecentsConfiguration config = Recents.getConfiguration(); |
| RecentsActivityLaunchState launchState = config.getLaunchState(); |
| launchState.reset(); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| super.onDestroy(); |
| |
| // In the case that the activity finished on startup, just skip the unregistration below |
| if (mFinishedOnStartup) { |
| return; |
| } |
| |
| // Unregister any broadcast receivers for the task loader |
| mPackageMonitor.unregister(); |
| |
| EventBus.getDefault().unregister(this); |
| } |
| |
| @Override |
| public void onTrimMemory(int level) { |
| RecentsTaskLoader loader = Recents.getTaskLoader(); |
| if (loader != null) { |
| loader.onTrimMemory(level); |
| } |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_DEL: |
| case KeyEvent.KEYCODE_FORWARD_DEL: { |
| EventBus.getDefault().send(new DismissFocusedTaskViewEvent()); |
| return true; |
| } |
| default: |
| break; |
| } |
| return super.onKeyDown(keyCode, event); |
| } |
| |
| @Override |
| public void onUserInteraction() { |
| EventBus.getDefault().send(new UserInteractionEvent()); |
| } |
| |
| @Override |
| public void onBackPressed() { |
| // Back behaves like the recents button so just trigger a toggle event |
| EventBus.getDefault().send(new ToggleRecentsEvent()); |
| } |
| |
| /**** EventBus events ****/ |
| |
| public final void onBusEvent(ToggleRecentsEvent event) { |
| RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState(); |
| if (launchState.launchedFromHome) { |
| dismissRecentsToHome(true /* animateTaskViews */); |
| } else { |
| dismissRecentsToLaunchTargetTaskOrHome(); |
| } |
| } |
| |
| public final void onBusEvent(HideRecentsEvent event) { |
| if (event.triggeredFromAltTab) { |
| // If we are hiding from releasing Alt-Tab, dismiss Recents to the focused app |
| if (!mIgnoreAltTabRelease) { |
| dismissRecentsToFocusedTaskOrHome(); |
| } |
| } else if (event.triggeredFromHomeKey) { |
| dismissRecentsToHome(true /* animateTaskViews */); |
| } else { |
| // Do nothing |
| } |
| } |
| |
| public final void onBusEvent(EnterRecentsWindowLastAnimationFrameEvent event) { |
| EventBus.getDefault().send(new UpdateFreeformTaskViewVisibilityEvent(true)); |
| mRecentsView.getViewTreeObserver().addOnPreDrawListener(this); |
| mRecentsView.invalidate(); |
| } |
| |
| public final void onBusEvent(CancelEnterRecentsWindowAnimationEvent event) { |
| RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState(); |
| int launchToTaskId = launchState.launchedToTaskId; |
| if (launchToTaskId != -1 && |
| (event.launchTask == null || launchToTaskId != event.launchTask.key.id)) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| ssp.cancelWindowTransition(launchState.launchedToTaskId); |
| ssp.cancelThumbnailTransition(getTaskId()); |
| } |
| } |
| |
| public final void onBusEvent(DeleteTaskDataEvent event) { |
| // Remove any stored data from the loader |
| RecentsTaskLoader loader = Recents.getTaskLoader(); |
| loader.deleteTaskData(event.task, false); |
| |
| // Remove the task from activity manager |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| ssp.removeTask(event.task.key.id); |
| } |
| |
| public final void onBusEvent(AllTaskViewsDismissedEvent event) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (ssp.hasDockedTask()) { |
| mRecentsView.showEmptyView(); |
| } else { |
| // Just go straight home (no animation necessary because there are no more task views) |
| dismissRecentsToHome(false /* animateTaskViews */); |
| } |
| } |
| |
| public final void onBusEvent(LaunchTaskFailedEvent event) { |
| // Return to Home |
| dismissRecentsToHome(true /* animateTaskViews */); |
| } |
| |
| @Override |
| public boolean onPreDraw() { |
| mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this); |
| // We post to make sure that this information is delivered after this traversals is |
| // finished. |
| mRecentsView.post(new Runnable() { |
| @Override |
| public void run() { |
| Recents.getSystemServices().endProlongedAnimations(); |
| } |
| }); |
| return true; |
| } |
| } |