| /* |
| * 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.Intent; |
| import android.os.Bundle; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.FrameLayout; |
| import com.android.systemui.recents.model.SpaceNode; |
| import com.android.systemui.recents.model.TaskStack; |
| import com.android.systemui.recents.views.RecentsView; |
| import com.android.systemui.R; |
| |
| import java.util.ArrayList; |
| |
| |
| /* Activity */ |
| public class RecentsActivity extends Activity { |
| FrameLayout mContainerView; |
| RecentsView mRecentsView; |
| View mEmptyView; |
| boolean mVisible; |
| |
| /** 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()) { |
| // XXX: We just replace the root every time for now, we will change this in the future |
| 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(Intent intent) { |
| if ("com.android.systemui.recents.TOGGLE_RECENTS".equals(intent.getAction())) { |
| 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); |
| |
| // Initialize the loader and the configuration |
| RecentsTaskLoader.initialize(this); |
| RecentsConfiguration.reinitialize(this); |
| |
| // Dismiss recents if it is visible and we are toggling |
| if (dismissRecentsIfVisible(getIntent())) return; |
| |
| // Set the background dim |
| WindowManager.LayoutParams wlp = getWindow().getAttributes(); |
| wlp.dimAmount = Constants.Values.Window.BackgroundDim; |
| getWindow().setAttributes(wlp); |
| getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); |
| |
| // Create the view hierarchy |
| mRecentsView = new RecentsView(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); |
| Console.logDivider(Constants.DebugFlags.App.SystemUIHandshake); |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onNewIntent]", |
| intent.getAction() + " visible: " + mVisible, Console.AnsiRed); |
| |
| // Dismiss recents if it is visible and we are toggling |
| if (dismissRecentsIfVisible(intent)) return; |
| |
| // 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 |
| protected void onPause() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onPause]", "", |
| Console.AnsiRed); |
| super.onPause(); |
| |
| // Stop the loader when we leave Recents |
| RecentsTaskLoader loader = RecentsTaskLoader.getInstance(); |
| loader.stopLoader(); |
| } |
| |
| @Override |
| protected void onStop() { |
| Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onStop]", "", |
| Console.AnsiRed); |
| super.onStop(); |
| mVisible = false; |
| } |
| |
| @Override |
| public void onBackPressed() { |
| if (!mRecentsView.unfilterFilteredStacks()) { |
| super.onBackPressed(); |
| } |
| } |
| } |