Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | package com.android.systemui.recents.tv; |
| 17 | |
| 18 | import android.app.Activity; |
| 19 | import android.app.ActivityOptions; |
| 20 | import android.content.Intent; |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 21 | import android.graphics.Rect; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 22 | import android.os.Bundle; |
| 23 | import android.os.UserHandle; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 24 | import android.util.Log; |
| 25 | import android.view.KeyEvent; |
| 26 | import android.view.View; |
| 27 | import android.view.ViewTreeObserver.OnPreDrawListener; |
| 28 | import android.view.WindowManager; |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 29 | import android.widget.FrameLayout.LayoutParams; |
Winson | c0d7058 | 2016-01-29 10:24:39 -0800 | [diff] [blame] | 30 | |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 31 | import com.android.systemui.R; |
Winson | c0d7058 | 2016-01-29 10:24:39 -0800 | [diff] [blame] | 32 | import com.android.systemui.recents.Recents; |
| 33 | import com.android.systemui.recents.RecentsActivityLaunchState; |
| 34 | import com.android.systemui.recents.RecentsConfiguration; |
| 35 | import com.android.systemui.recents.RecentsImpl; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 36 | import com.android.systemui.recents.events.EventBus; |
| 37 | import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent; |
| 38 | import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted; |
| 39 | import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent; |
| 40 | import com.android.systemui.recents.events.activity.EnterRecentsWindowLastAnimationFrameEvent; |
| 41 | import com.android.systemui.recents.events.activity.HideRecentsEvent; |
| 42 | import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 43 | import com.android.systemui.recents.events.activity.ToggleRecentsEvent; |
| 44 | import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent; |
| 45 | import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent; |
| 46 | import com.android.systemui.recents.events.ui.DeleteTaskDataEvent; |
| 47 | import com.android.systemui.recents.events.ui.UpdateFreeformTaskViewVisibilityEvent; |
| 48 | import com.android.systemui.recents.events.ui.UserInteractionEvent; |
| 49 | import com.android.systemui.recents.events.ui.focus.DismissFocusedTaskViewEvent; |
| 50 | import com.android.systemui.recents.misc.SystemServicesProxy; |
| 51 | import com.android.systemui.recents.model.RecentsPackageMonitor; |
| 52 | import com.android.systemui.recents.model.RecentsTaskLoadPlan; |
| 53 | import com.android.systemui.recents.model.RecentsTaskLoader; |
| 54 | import com.android.systemui.recents.model.Task; |
| 55 | import com.android.systemui.recents.model.TaskStack; |
| 56 | import com.android.systemui.recents.tv.views.RecentsTvView; |
| 57 | import com.android.systemui.recents.tv.views.TaskStackHorizontalViewAdapter; |
| 58 | import com.android.systemui.statusbar.BaseStatusBar; |
| 59 | import com.android.systemui.tv.pip.PipManager; |
| 60 | |
| 61 | import java.util.ArrayList; |
Sid Soundararajan | 1008cc2 | 2016-02-01 11:11:14 -0800 | [diff] [blame] | 62 | import java.util.Collections; |
| 63 | import java.util.List; |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 64 | |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 65 | /** |
| 66 | * The main TV recents activity started by the RecentsImpl. |
| 67 | */ |
| 68 | public class RecentsTvActivity extends Activity implements OnPreDrawListener { |
| 69 | private final static String TAG = "RecentsTvActivity"; |
| 70 | private final static boolean DEBUG = false; |
| 71 | |
| 72 | public final static int EVENT_BUS_PRIORITY = Recents.EVENT_BUS_PRIORITY + 1; |
| 73 | |
| 74 | private boolean mFinishedOnStartup; |
| 75 | private RecentsPackageMonitor mPackageMonitor; |
| 76 | private long mLastTabKeyEventTime; |
| 77 | private boolean mIgnoreAltTabRelease; |
| 78 | |
| 79 | private RecentsTvView mRecentsView; |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 80 | private View mPipView; |
| 81 | private View mPipShadeView; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 82 | private TaskStackHorizontalViewAdapter mTaskStackViewAdapter; |
| 83 | private FinishRecentsRunnable mFinishLaunchHomeRunnable; |
| 84 | |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 85 | private PipManager mPipManager; |
| 86 | private PipManager.Listener mPipListener = new PipManager.Listener() { |
| 87 | @Override |
| 88 | public void onPipActivityClosed() { |
| 89 | mPipView.setVisibility(View.GONE); |
| 90 | mPipShadeView.setVisibility(View.GONE); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public void onShowPipMenu() { } |
| 95 | |
| 96 | @Override |
| 97 | public void onMoveToFullscreen() { } |
| 98 | |
| 99 | @Override |
| 100 | public void onPipResizeAboutToStart() { } |
Jaewan Kim | 6233819 | 2016-02-25 10:00:05 -0800 | [diff] [blame] | 101 | |
| 102 | @Override |
| 103 | public void onMediaControllerChanged() { } |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 104 | }; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 105 | |
| 106 | /** |
| 107 | * A common Runnable to finish Recents by launching Home with an animation depending on the |
| 108 | * last activity launch state. Generally we always launch home when we exit Recents rather than |
| 109 | * just finishing the activity since we don't know what is behind Recents in the task stack. |
| 110 | */ |
| 111 | class FinishRecentsRunnable implements Runnable { |
| 112 | Intent mLaunchIntent; |
| 113 | |
| 114 | /** |
| 115 | * Creates a finish runnable that starts the specified intent. |
| 116 | */ |
| 117 | public FinishRecentsRunnable(Intent launchIntent) { |
| 118 | mLaunchIntent = launchIntent; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public void run() { |
| 123 | try { |
| 124 | RecentsActivityLaunchState launchState = |
| 125 | Recents.getConfiguration().getLaunchState(); |
| 126 | ActivityOptions opts = ActivityOptions.makeCustomAnimation(RecentsTvActivity.this, |
| 127 | launchState.launchedFromSearchHome ? |
| 128 | R.anim.recents_to_search_launcher_enter : |
| 129 | R.anim.recents_to_launcher_enter, |
| 130 | launchState.launchedFromSearchHome ? |
| 131 | R.anim.recents_to_search_launcher_exit : |
| 132 | R.anim.recents_to_launcher_exit); |
| 133 | startActivityAsUser(mLaunchIntent, opts.toBundle(), UserHandle.CURRENT); |
| 134 | } catch (Exception e) { |
| 135 | Log.e(TAG, getString(R.string.recents_launch_error_message, "Home"), e); |
| 136 | } |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | private void updateRecentsTasks() { |
| 141 | RecentsTaskLoader loader = Recents.getTaskLoader(); |
| 142 | RecentsTaskLoadPlan plan = RecentsImpl.consumeInstanceLoadPlan(); |
| 143 | if (plan == null) { |
| 144 | plan = loader.createLoadPlan(this); |
| 145 | } |
| 146 | |
| 147 | RecentsConfiguration config = Recents.getConfiguration(); |
| 148 | RecentsActivityLaunchState launchState = config.getLaunchState(); |
| 149 | if (!plan.hasTasks()) { |
| 150 | loader.preloadTasks(plan, -1, launchState.launchedFromHome); |
| 151 | } |
| 152 | TaskStack stack = plan.getTaskStack(); |
| 153 | RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options(); |
| 154 | loadOpts.runningTaskId = launchState.launchedToTaskId; |
| 155 | loadOpts.numVisibleTasks = stack.getStackTaskCount(); |
| 156 | loadOpts.numVisibleTaskThumbnails = stack.getStackTaskCount(); |
| 157 | loader.loadTasks(this, plan, loadOpts); |
| 158 | |
| 159 | |
| 160 | mRecentsView.setTaskStack(stack); |
Sid Soundararajan | 1008cc2 | 2016-02-01 11:11:14 -0800 | [diff] [blame] | 161 | List stackTasks = stack.getStackTasks(); |
| 162 | Collections.reverse(stackTasks); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 163 | if (mTaskStackViewAdapter == null) { |
Sid Soundararajan | 1008cc2 | 2016-02-01 11:11:14 -0800 | [diff] [blame] | 164 | mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stackTasks); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 165 | mRecentsView.setTaskStackViewAdapter(mTaskStackViewAdapter); |
| 166 | } else { |
Sid Soundararajan | 1008cc2 | 2016-02-01 11:11:14 -0800 | [diff] [blame] | 167 | mTaskStackViewAdapter.setNewStackTasks(stackTasks); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | if (launchState.launchedToTaskId != -1) { |
| 171 | ArrayList<Task> tasks = stack.getStackTasks(); |
| 172 | int taskCount = tasks.size(); |
| 173 | for (int i = 0; i < taskCount; i++) { |
| 174 | Task t = tasks.get(i); |
| 175 | if (t.key.id == launchState.launchedToTaskId) { |
| 176 | t.isLaunchTarget = true; |
| 177 | break; |
| 178 | } |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | boolean dismissRecentsToLaunchTargetTaskOrHome() { |
| 184 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 185 | if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) { |
| 186 | // If we have a focused Task, launch that Task now |
| 187 | if (mRecentsView.launchPreviousTask()) return true; |
| 188 | // If none of the other cases apply, then just go Home |
| 189 | dismissRecentsToHome(true /* animateTaskViews */); |
| 190 | } |
| 191 | return false; |
| 192 | } |
| 193 | |
| 194 | boolean dismissRecentsToFocusedTaskOrHome() { |
| 195 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 196 | if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) { |
| 197 | // If we have a focused Task, launch that Task now |
| 198 | if (mRecentsView.launchFocusedTask()) return true; |
| 199 | // If none of the other cases apply, then just go Home |
| 200 | dismissRecentsToHome(true /* animateTaskViews */); |
| 201 | return true; |
| 202 | } |
| 203 | return false; |
| 204 | } |
| 205 | |
| 206 | void dismissRecentsToHome(boolean animateTaskViews) { |
| 207 | DismissRecentsToHomeAnimationStarted dismissEvent = |
| 208 | new DismissRecentsToHomeAnimationStarted(animateTaskViews); |
| 209 | dismissEvent.addPostAnimationCallback(mFinishLaunchHomeRunnable); |
| 210 | dismissEvent.addPostAnimationCallback(new Runnable() { |
| 211 | @Override |
| 212 | public void run() { |
| 213 | Recents.getSystemServices().sendCloseSystemWindows( |
| 214 | BaseStatusBar.SYSTEM_DIALOG_REASON_HOME_KEY); |
| 215 | } |
| 216 | }); |
| 217 | EventBus.getDefault().send(dismissEvent); |
| 218 | } |
| 219 | |
| 220 | boolean dismissRecentsToHomeIfVisible(boolean animated) { |
| 221 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 222 | if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) { |
| 223 | // Return to Home |
| 224 | dismissRecentsToHome(animated); |
| 225 | return true; |
| 226 | } |
| 227 | return false; |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public void onCreate(Bundle savedInstanceState) { |
| 232 | super.onCreate(savedInstanceState); |
| 233 | mFinishedOnStartup = false; |
| 234 | |
| 235 | // In the case that the activity starts up before the Recents component has initialized |
| 236 | // (usually when debugging/pushing the SysUI apk), just finish this activity. |
| 237 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 238 | if (ssp == null) { |
| 239 | mFinishedOnStartup = true; |
| 240 | finish(); |
| 241 | return; |
| 242 | } |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 243 | mPipManager = PipManager.getInstance(); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 244 | |
| 245 | // Register this activity with the event bus |
| 246 | EventBus.getDefault().register(this, EVENT_BUS_PRIORITY); |
| 247 | |
| 248 | mPackageMonitor = new RecentsPackageMonitor(); |
| 249 | mPackageMonitor.register(this); |
| 250 | |
| 251 | // Set the Recents layout |
| 252 | setContentView(R.layout.recents_on_tv); |
| 253 | |
| 254 | mRecentsView = (RecentsTvView) findViewById(R.id.recents_view); |
| 255 | mRecentsView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | |
| 256 | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | |
| 257 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION); |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 258 | mPipView = findViewById(R.id.pip); |
| 259 | mPipShadeView = findViewById(R.id.pip_shade); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 260 | getWindow().getAttributes().privateFlags |= |
| 261 | WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_DECOR_VIEW_VISIBILITY; |
| 262 | |
| 263 | // Create the home intent runnable |
| 264 | Intent homeIntent = new Intent(Intent.ACTION_MAIN, null); |
| 265 | homeIntent.addCategory(Intent.CATEGORY_HOME); |
| 266 | homeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | |
| 267 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); |
| 268 | mFinishLaunchHomeRunnable = new FinishRecentsRunnable(homeIntent); |
| 269 | } |
| 270 | |
| 271 | @Override |
| 272 | protected void onNewIntent(Intent intent) { |
| 273 | super.onNewIntent(intent); |
| 274 | setIntent(intent); |
| 275 | } |
| 276 | |
| 277 | @Override |
| 278 | protected void onStart() { |
| 279 | super.onStart(); |
| 280 | |
| 281 | // Update the recent tasks |
| 282 | updateRecentsTasks(); |
| 283 | |
| 284 | // If this is a new instance from a configuration change, then we have to manually trigger |
| 285 | // the enter animation state, or if recents was relaunched by AM, without going through |
| 286 | // the normal mechanisms |
| 287 | RecentsConfiguration config = Recents.getConfiguration(); |
| 288 | RecentsActivityLaunchState launchState = config.getLaunchState(); |
| 289 | boolean wasLaunchedByAm = !launchState.launchedFromHome && |
Winson | e693aaf | 2016-03-01 12:05:59 -0800 | [diff] [blame] | 290 | !launchState.launchedFromApp; |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 291 | if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) { |
| 292 | EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent()); |
| 293 | } |
| 294 | |
| 295 | // Notify that recents is now visible |
| 296 | SystemServicesProxy ssp = Recents.getSystemServices(); |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame^] | 297 | EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, true)); |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 298 | |
| 299 | if (mPipManager.isPipShown()) { |
| 300 | // Place mPipView at the PIP bounds for fine tuned focus handling. |
| 301 | Rect pipBounds = mPipManager.getPipBounds(); |
| 302 | LayoutParams lp = (LayoutParams) mPipView.getLayoutParams(); |
| 303 | lp.width = pipBounds.width(); |
| 304 | lp.height = pipBounds.height(); |
| 305 | lp.leftMargin = pipBounds.left; |
| 306 | lp.topMargin = pipBounds.top; |
| 307 | mPipView.setLayoutParams(lp); |
| 308 | |
| 309 | mPipView.setVisibility(View.VISIBLE); |
| 310 | mPipView.setOnClickListener(new View.OnClickListener() { |
| 311 | @Override |
| 312 | public void onClick(View v) { |
| 313 | mPipManager.resizePinnedStack(PipManager.STATE_PIP_MENU); |
| 314 | } |
| 315 | }); |
| 316 | mPipView.setOnFocusChangeListener(new View.OnFocusChangeListener() { |
| 317 | @Override |
| 318 | public void onFocusChange(View v, boolean hasFocus) { |
| 319 | mPipManager.onPipViewFocusChangedInRecents(hasFocus); |
| 320 | mPipShadeView.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE); |
| 321 | } |
| 322 | }); |
| 323 | mPipManager.addListener(mPipListener); |
| 324 | } else { |
| 325 | mPipView.setVisibility(View.GONE); |
| 326 | } |
| 327 | mPipManager.onRecentsStarted(); |
| 328 | // Give focus to the recents row whenever its visible to an user. |
| 329 | mRecentsView.requestFocus(); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | @Override |
| 333 | public void onEnterAnimationComplete() { |
| 334 | super.onEnterAnimationComplete(); |
| 335 | EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent()); |
| 336 | } |
| 337 | |
| 338 | @Override |
| 339 | protected void onStop() { |
| 340 | super.onStop(); |
| 341 | |
Jaewan Kim | c92a7d1 | 2016-02-15 17:33:25 -0800 | [diff] [blame] | 342 | mPipManager.onRecentsStopped(); |
| 343 | mPipManager.removeListener(mPipListener); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 344 | mIgnoreAltTabRelease = false; |
| 345 | // Notify that recents is now hidden |
Winson | 8873754 | 2016-02-17 13:27:33 -0800 | [diff] [blame^] | 346 | EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, false)); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 347 | |
| 348 | // Workaround for b/22542869, if the RecentsActivity is started again, but without going |
| 349 | // through SystemUI, we need to reset the config launch flags to ensure that we do not |
| 350 | // wait on the system to send a signal that was never queued. |
| 351 | RecentsConfiguration config = Recents.getConfiguration(); |
| 352 | RecentsActivityLaunchState launchState = config.getLaunchState(); |
Jorim Jaggi | e161f08 | 2016-02-05 14:26:16 -0800 | [diff] [blame] | 353 | launchState.reset(); |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | @Override |
| 357 | protected void onDestroy() { |
| 358 | super.onDestroy(); |
| 359 | |
| 360 | // In the case that the activity finished on startup, just skip the unregistration below |
| 361 | if (mFinishedOnStartup) { |
| 362 | return; |
| 363 | } |
| 364 | |
| 365 | // Unregister any broadcast receivers for the task loader |
| 366 | mPackageMonitor.unregister(); |
| 367 | |
| 368 | EventBus.getDefault().unregister(this); |
| 369 | } |
| 370 | |
| 371 | @Override |
| 372 | public void onTrimMemory(int level) { |
| 373 | RecentsTaskLoader loader = Recents.getTaskLoader(); |
| 374 | if (loader != null) { |
| 375 | loader.onTrimMemory(level); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | @Override |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 380 | public boolean onKeyDown(int keyCode, KeyEvent event) { |
| 381 | switch (keyCode) { |
Sid Soundararajan | b58c46a | 2016-01-26 15:39:27 -0800 | [diff] [blame] | 382 | case KeyEvent.KEYCODE_DEL: |
| 383 | case KeyEvent.KEYCODE_FORWARD_DEL: { |
| 384 | EventBus.getDefault().send(new DismissFocusedTaskViewEvent()); |
| 385 | return true; |
| 386 | } |
| 387 | default: |
| 388 | break; |
| 389 | } |
| 390 | return super.onKeyDown(keyCode, event); |
| 391 | } |
| 392 | |
| 393 | @Override |
| 394 | public void onUserInteraction() { |
| 395 | EventBus.getDefault().send(new UserInteractionEvent()); |
| 396 | } |
| 397 | |
| 398 | @Override |
| 399 | public void onBackPressed() { |
| 400 | // Back behaves like the recents button so just trigger a toggle event |
| 401 | EventBus.getDefault().send(new ToggleRecentsEvent()); |
| 402 | } |
| 403 | |
| 404 | /**** EventBus events ****/ |
| 405 | |
| 406 | public final void onBusEvent(ToggleRecentsEvent event) { |
| 407 | RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState(); |
| 408 | if (launchState.launchedFromHome) { |
| 409 | dismissRecentsToHome(true /* animateTaskViews */); |
| 410 | } else { |
| 411 | dismissRecentsToLaunchTargetTaskOrHome(); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | public final void onBusEvent(HideRecentsEvent event) { |
| 416 | if (event.triggeredFromAltTab) { |
| 417 | // If we are hiding from releasing Alt-Tab, dismiss Recents to the focused app |
| 418 | if (!mIgnoreAltTabRelease) { |
| 419 | dismissRecentsToFocusedTaskOrHome(); |
| 420 | } |
| 421 | } else if (event.triggeredFromHomeKey) { |
| 422 | dismissRecentsToHome(true /* animateTaskViews */); |
| 423 | } else { |
| 424 | // Do nothing |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | public final void onBusEvent(EnterRecentsWindowLastAnimationFrameEvent event) { |
| 429 | EventBus.getDefault().send(new UpdateFreeformTaskViewVisibilityEvent(true)); |
| 430 | mRecentsView.getViewTreeObserver().addOnPreDrawListener(this); |
| 431 | mRecentsView.invalidate(); |
| 432 | } |
| 433 | |
| 434 | public final void onBusEvent(CancelEnterRecentsWindowAnimationEvent event) { |
| 435 | RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState(); |
| 436 | int launchToTaskId = launchState.launchedToTaskId; |
| 437 | if (launchToTaskId != -1 && |
| 438 | (event.launchTask == null || launchToTaskId != event.launchTask.key.id)) { |
| 439 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 440 | ssp.cancelWindowTransition(launchState.launchedToTaskId); |
| 441 | ssp.cancelThumbnailTransition(getTaskId()); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | public final void onBusEvent(DeleteTaskDataEvent event) { |
| 446 | // Remove any stored data from the loader |
| 447 | RecentsTaskLoader loader = Recents.getTaskLoader(); |
| 448 | loader.deleteTaskData(event.task, false); |
| 449 | |
| 450 | // Remove the task from activity manager |
| 451 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 452 | ssp.removeTask(event.task.key.id); |
| 453 | } |
| 454 | |
| 455 | public final void onBusEvent(AllTaskViewsDismissedEvent event) { |
| 456 | SystemServicesProxy ssp = Recents.getSystemServices(); |
| 457 | if (ssp.hasDockedTask()) { |
| 458 | mRecentsView.showEmptyView(); |
| 459 | } else { |
| 460 | // Just go straight home (no animation necessary because there are no more task views) |
| 461 | dismissRecentsToHome(false /* animateTaskViews */); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | public final void onBusEvent(LaunchTaskFailedEvent event) { |
| 466 | // Return to Home |
| 467 | dismissRecentsToHome(true /* animateTaskViews */); |
| 468 | } |
| 469 | |
| 470 | @Override |
| 471 | public boolean onPreDraw() { |
| 472 | mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this); |
| 473 | // We post to make sure that this information is delivered after this traversals is |
| 474 | // finished. |
| 475 | mRecentsView.post(new Runnable() { |
| 476 | @Override |
| 477 | public void run() { |
| 478 | Recents.getSystemServices().endProlongedAnimations(); |
| 479 | } |
| 480 | }); |
| 481 | return true; |
| 482 | } |
| 483 | } |