| /* |
| * 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.Activity; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.Bundle; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.FrameLayout; |
| import com.android.systemui.R; |
| import com.android.systemui.recents.model.SpaceNode; |
| import com.android.systemui.recents.model.TaskStack; |
| import com.android.systemui.recents.views.RecentsView; |
| |
| import java.util.ArrayList; |
| |
| |
| /* Activity */ |
| public class RecentsActivity extends Activity implements RecentsView.RecentsViewCallbacks { |
| FrameLayout mContainerView; |
| RecentsView mRecentsView; |
| View mEmptyView; |
| |
| boolean mVisible; |
| boolean mTaskLaunched; |
| |
| // Broadcast receiver to handle messages from our RecentsService |
| BroadcastReceiver mServiceBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, |
| "[RecentsActivity|serviceBroadcast]", action, Console.AnsiRed); |
| if (action.equals(RecentsService.ACTION_FINISH_RECENTS_ACTIVITY)) { |
| if (Constants.DebugFlags.App.EnableToggleNewRecentsActivity) { |
| finish(); |
| } |
| } else if (action.equals(RecentsService.ACTION_TOGGLE_RECENTS_ACTIVITY)) { |
| // Try and unfilter and filtered stacks |
| if (!mRecentsView.unfilterFilteredStacks()) { |
| // If there are no filtered stacks, dismiss recents and launch the first task |
| dismissRecentsIfVisible(); |
| } |
| } |
| } |
| }; |
| |
| // Broadcast receiver to handle messages from the system |
| BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| finish(); |
| } |
| }; |
| |
| /** Updates the set of recent tasks */ |
| void updateRecentsTasks() { |
| RecentsTaskLoader loader = RecentsTaskLoader.getInstance(); |
| SpaceNode root = loader.reload(this, Constants.Values.RecentsTaskLoader.PreloadFirstTasksCount); |
| ArrayList<TaskStack> stacks = root.getStacks(); |
| if (!stacks.isEmpty()) { |
| mRecentsView.setBSP(root); |
| } |
| |
| // Add the default no-recents layout |
| if (stacks.size() == 1 && stacks.get(0).getTaskCount() == 0) { |
| mEmptyView.setVisibility(View.VISIBLE); |
| |
| // Dim the background even more |
| WindowManager.LayoutParams wlp = getWindow().getAttributes(); |
| wlp.dimAmount = Constants.Values.Window.DarkBackgroundDim; |
| getWindow().setAttributes(wlp); |
| getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); |
| } else { |
| mEmptyView.setVisibility(View.GONE); |
| } |
| } |
| |
| /** Dismisses recents if we are already visible and the intent is to toggle the recents view */ |
| boolean dismissRecentsIfVisible() { |
| if (mVisible) { |
| if (!mRecentsView.launchFirstTask()) { |
| finish(); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /** Called with the activity is first created. */ |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| Console.logDivider(Constants.DebugFlags.App.SystemUIHandshake); |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onCreate]", |
| getIntent().getAction() + " visible: " + mVisible, Console.AnsiRed); |
| Console.logTraceTime(Constants.DebugFlags.App.TimeRecentsStartup, |
| Constants.DebugFlags.App.TimeRecentsStartupKey, "onCreate"); |
| |
| // Initialize the loader and the configuration |
| RecentsTaskLoader.initialize(this); |
| RecentsConfiguration.reinitialize(this); |
| |
| // Create the view hierarchy |
| mRecentsView = new RecentsView(this); |
| mRecentsView.setCallbacks(this); |
| mRecentsView.setLayoutParams(new FrameLayout.LayoutParams( |
| FrameLayout.LayoutParams.MATCH_PARENT, |
| FrameLayout.LayoutParams.MATCH_PARENT)); |
| |
| // Create the empty view |
| LayoutInflater inflater = LayoutInflater.from(this); |
| mEmptyView = inflater.inflate(R.layout.recents_empty, mContainerView, false); |
| |
| mContainerView = new FrameLayout(this); |
| mContainerView.addView(mRecentsView); |
| mContainerView.addView(mEmptyView); |
| setContentView(mContainerView); |
| |
| // Update the recent tasks |
| updateRecentsTasks(); |
| } |
| |
| @Override |
| protected void onNewIntent(Intent intent) { |
| super.onNewIntent(intent); |
| // Reset the task launched flag if we encounter an onNewIntent() before onStop() |
| mTaskLaunched = false; |
| |
| Console.logDivider(Constants.DebugFlags.App.SystemUIHandshake); |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onNewIntent]", |
| intent.getAction() + " visible: " + mVisible, Console.AnsiRed); |
| Console.logTraceTime(Constants.DebugFlags.App.TimeRecentsStartup, |
| Constants.DebugFlags.App.TimeRecentsStartupKey, "onNewIntent"); |
| |
| // Initialize the loader and the configuration |
| RecentsTaskLoader.initialize(this); |
| RecentsConfiguration.reinitialize(this); |
| |
| // Update the recent tasks |
| updateRecentsTasks(); |
| } |
| |
| @Override |
| protected void onStart() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onStart]", "", |
| Console.AnsiRed); |
| super.onStart(); |
| mVisible = true; |
| } |
| |
| @Override |
| protected void onResume() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onResume]", "", |
| Console.AnsiRed); |
| super.onResume(); |
| } |
| |
| @Override |
| public void onAttachedToWindow() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, |
| "[RecentsActivity|onAttachedToWindow]", "", |
| Console.AnsiRed); |
| super.onAttachedToWindow(); |
| |
| // Register the broadcast receiver to handle messages from our service |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(RecentsService.ACTION_TOGGLE_RECENTS_ACTIVITY); |
| filter.addAction(RecentsService.ACTION_FINISH_RECENTS_ACTIVITY); |
| registerReceiver(mServiceBroadcastReceiver, filter); |
| |
| // Register the broadcast receiver to handle messages when the screen is turned off |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| registerReceiver(mScreenOffReceiver, filter); |
| } |
| |
| @Override |
| public void onDetachedFromWindow() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, |
| "[RecentsActivity|onDetachedFromWindow]", "", |
| Console.AnsiRed); |
| super.onDetachedFromWindow(); |
| |
| // Unregister any broadcast receivers we have registered |
| unregisterReceiver(mServiceBroadcastReceiver); |
| unregisterReceiver(mScreenOffReceiver); |
| } |
| |
| @Override |
| protected void onPause() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onPause]", "", |
| Console.AnsiRed); |
| super.onPause(); |
| } |
| |
| @Override |
| protected void onStop() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onStop]", "", |
| Console.AnsiRed); |
| super.onStop(); |
| |
| // Finish the current recents activity after we have launched a task |
| if (mTaskLaunched && Constants.DebugFlags.App.EnableToggleNewRecentsActivity) { |
| finish(); |
| } |
| |
| mVisible = false; |
| mTaskLaunched = false; |
| } |
| |
| @Override |
| protected void onDestroy() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onDestroy]", "", |
| Console.AnsiRed); |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onTrimMemory(int level) { |
| RecentsTaskLoader loader = RecentsTaskLoader.getInstance(); |
| if (loader != null) { |
| loader.onTrimMemory(level); |
| } |
| } |
| |
| @Override |
| public void onBackPressed() { |
| if (!mRecentsView.unfilterFilteredStacks()) { |
| super.onBackPressed(); |
| } |
| } |
| |
| @Override |
| public void onTaskLaunching() { |
| mTaskLaunched = true; |
| } |
| } |