| /* |
| * Copyright (C) 2014 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; |
| |
| import android.app.Service; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.RemoteException; |
| import com.android.systemui.recents.model.Task; |
| import com.android.systemui.recents.model.TaskStack; |
| import com.android.systemui.recents.views.TaskStackView; |
| import com.android.systemui.recents.views.TaskViewTransform; |
| |
| import java.lang.ref.WeakReference; |
| |
| |
| /** The message handler to process Recents SysUI messages */ |
| class SystemUIMessageHandler extends Handler { |
| WeakReference<Context> mContext; |
| |
| SystemUIMessageHandler(Context context) { |
| // Keep a weak ref to the context instead of a strong ref |
| mContext = new WeakReference<Context>(context); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.App.SystemUIHandshake, |
| "[RecentsService|handleMessage]", msg); |
| } |
| |
| Context context = mContext.get(); |
| if (context == null) return; |
| |
| if (msg.what == AlternateRecentsComponent.MSG_UPDATE_FOR_CONFIGURATION) { |
| RecentsTaskLoader.initialize(context); |
| RecentsConfiguration config = RecentsConfiguration.reinitialize(context); |
| config.updateOnConfigurationChange(); |
| |
| try { |
| Bundle data = msg.getData(); |
| Rect windowRect = data.getParcelable(AlternateRecentsComponent.KEY_WINDOW_RECT); |
| Rect systemInsets = data.getParcelable(AlternateRecentsComponent.KEY_SYSTEM_INSETS); |
| |
| // NOTE: None of the rects computed below need to be offset for the status bar, |
| // since that is done when we compute the animation itself in the Recents component |
| |
| // Create a dummy task stack & compute the rect for the thumbnail to animate to |
| TaskStack stack = new TaskStack(context); |
| TaskStackView tsv = new TaskStackView(context, stack); |
| Bundle replyData = new Bundle(); |
| TaskViewTransform transform; |
| |
| // Get the task stack and search bar bounds |
| Rect taskStackBounds = new Rect(); |
| config.getTaskStackBounds(windowRect.width(), windowRect.height(), taskStackBounds); |
| |
| // Calculate the target task rect for when there is one task. |
| |
| // NOTE: Since the nav bar height is already accounted for in the windowRect, don't |
| // pass in a left or bottom inset |
| stack.addTask(new Task()); |
| tsv.computeRects(taskStackBounds.width(), taskStackBounds.height() - |
| systemInsets.top - systemInsets.bottom, 0, 0); |
| tsv.setStackScrollToInitialState(); |
| transform = tsv.getStackTransform(0, tsv.getStackScroll()); |
| transform.rect.offset(taskStackBounds.left, taskStackBounds.top); |
| replyData.putParcelable(AlternateRecentsComponent.KEY_SINGLE_TASK_STACK_RECT, |
| new Rect(transform.rect)); |
| |
| // Also calculate the target task rect when there are two tasks. |
| stack.addTask(new Task()); |
| tsv.computeRects(taskStackBounds.width(), taskStackBounds.height() - |
| systemInsets.top - systemInsets.bottom, 0, 0); |
| tsv.setStackScrollToInitialState(); |
| transform = tsv.getStackTransform(1, tsv.getStackScroll()); |
| transform.rect.offset(taskStackBounds.left, taskStackBounds.top); |
| replyData.putParcelable(AlternateRecentsComponent.KEY_TWO_TASK_STACK_RECT, |
| new Rect(transform.rect)); |
| |
| // Also calculate the target task rect when there are two tasks. |
| stack.addTask(new Task()); |
| tsv.computeRects(taskStackBounds.width(), taskStackBounds.height() - |
| systemInsets.top - systemInsets.bottom, 0, 0); |
| tsv.setStackScrollToInitialState(); |
| transform = tsv.getStackTransform(2, tsv.getStackScroll()); |
| transform.rect.offset(taskStackBounds.left, taskStackBounds.top); |
| replyData.putParcelable(AlternateRecentsComponent.KEY_MULTIPLE_TASK_STACK_RECT, |
| new Rect(transform.rect)); |
| |
| data.putParcelable(AlternateRecentsComponent.KEY_CONFIGURATION_DATA, replyData); |
| Message reply = Message.obtain(null, |
| AlternateRecentsComponent.MSG_UPDATE_FOR_CONFIGURATION, 0, 0); |
| reply.setData(data); |
| msg.replyTo.send(reply); |
| } catch (RemoteException re) { |
| re.printStackTrace(); |
| } |
| } else if (msg.what == AlternateRecentsComponent.MSG_HIDE_RECENTS) { |
| // Send a broadcast to hide recents |
| Intent intent = new Intent(RecentsService.ACTION_HIDE_RECENTS_ACTIVITY); |
| intent.setPackage(context.getPackageName()); |
| if (msg.arg1 != 0) { |
| intent.putExtra(RecentsService.EXTRA_TRIGGERED_FROM_ALT_TAB, true); |
| } |
| context.sendBroadcast(intent); |
| } else if (msg.what == AlternateRecentsComponent.MSG_TOGGLE_RECENTS) { |
| // Send a broadcast to toggle recents |
| Intent intent = new Intent(RecentsService.ACTION_TOGGLE_RECENTS_ACTIVITY); |
| intent.setPackage(context.getPackageName()); |
| context.sendBroadcast(intent); |
| |
| // Time this path |
| Console.logTraceTime(Constants.Log.App.TimeRecentsStartup, |
| Constants.Log.App.TimeRecentsStartupKey, "receivedToggleRecents"); |
| Console.logTraceTime(Constants.Log.App.TimeRecentsLaunchTask, |
| Constants.Log.App.TimeRecentsLaunchKey, "receivedToggleRecents"); |
| } else if (msg.what == AlternateRecentsComponent.MSG_START_ENTER_ANIMATION) { |
| // Send a broadcast to start the enter animation |
| Intent intent = new Intent(RecentsService.ACTION_START_ENTER_ANIMATION); |
| intent.setPackage(context.getPackageName()); |
| context.sendBroadcast(intent); |
| } |
| } |
| } |
| |
| /* Service */ |
| public class RecentsService extends Service { |
| final static String ACTION_HIDE_RECENTS_ACTIVITY = "action_hide_recents_activity"; |
| final static String ACTION_TOGGLE_RECENTS_ACTIVITY = "action_toggle_recents_activity"; |
| final static String ACTION_START_ENTER_ANIMATION = "action_start_enter_animation"; |
| final static String EXTRA_TRIGGERED_FROM_ALT_TAB = "extra_triggered_from_alt_tab"; |
| |
| Messenger mSystemUIMessenger = new Messenger(new SystemUIMessageHandler(this)); |
| |
| @Override |
| public void onCreate() { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.App.SystemUIHandshake, "[RecentsService|onCreate]"); |
| } |
| super.onCreate(); |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.App.SystemUIHandshake, "[RecentsService|onBind]"); |
| } |
| return mSystemUIMessenger.getBinder(); |
| } |
| |
| @Override |
| public boolean onUnbind(Intent intent) { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.App.SystemUIHandshake, "[RecentsService|onUnbind]"); |
| } |
| return super.onUnbind(intent); |
| } |
| |
| @Override |
| public void onRebind(Intent intent) { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.App.SystemUIHandshake, "[RecentsService|onRebind]"); |
| } |
| super.onRebind(intent); |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.App.SystemUIHandshake, "[RecentsService|onDestroy]"); |
| } |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onTrimMemory(int level) { |
| RecentsTaskLoader loader = RecentsTaskLoader.getInstance(); |
| if (loader != null) { |
| loader.onTrimMemory(level); |
| } |
| } |
| } |