| /* |
| * Copyright (C) 2012 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.recent; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.WallpaperManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.WindowManager; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.statusbar.StatusBarPanel; |
| |
| import java.util.List; |
| |
| public class RecentsActivity extends Activity { |
| public static final String TOGGLE_RECENTS_INTENT = "com.android.systemui.recent.action.TOGGLE_RECENTS"; |
| public static final String PRELOAD_INTENT = "com.android.systemui.recent.action.PRELOAD"; |
| public static final String CANCEL_PRELOAD_INTENT = "com.android.systemui.recent.CANCEL_PRELOAD"; |
| public static final String CLOSE_RECENTS_INTENT = "com.android.systemui.recent.action.CLOSE"; |
| public static final String WINDOW_ANIMATION_START_INTENT = "com.android.systemui.recent.action.WINDOW_ANIMATION_START"; |
| public static final String PRELOAD_PERMISSION = "com.android.systemui.recent.permission.PRELOAD"; |
| public static final String WAITING_FOR_WINDOW_ANIMATION_PARAM = "com.android.systemui.recent.WAITING_FOR_WINDOW_ANIMATION"; |
| private static final String WAS_SHOWING = "was_showing"; |
| |
| private RecentsPanelView mRecentsPanel; |
| private IntentFilter mIntentFilter; |
| private boolean mShowing; |
| private boolean mForeground; |
| |
| private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (CLOSE_RECENTS_INTENT.equals(intent.getAction())) { |
| if (mRecentsPanel != null && mRecentsPanel.isShowing()) { |
| if (mShowing && !mForeground) { |
| // Captures the case right before we transition to another activity |
| mRecentsPanel.show(false); |
| } |
| } |
| } else if (WINDOW_ANIMATION_START_INTENT.equals(intent.getAction())) { |
| if (mRecentsPanel != null) { |
| mRecentsPanel.onWindowAnimationStart(); |
| } |
| } |
| } |
| }; |
| |
| public class TouchOutsideListener implements View.OnTouchListener { |
| private StatusBarPanel mPanel; |
| |
| public TouchOutsideListener(StatusBarPanel panel) { |
| mPanel = panel; |
| } |
| |
| public boolean onTouch(View v, MotionEvent ev) { |
| final int action = ev.getAction(); |
| if (action == MotionEvent.ACTION_OUTSIDE |
| || (action == MotionEvent.ACTION_DOWN |
| && !mPanel.isInContentArea((int) ev.getX(), (int) ev.getY()))) { |
| dismissAndGoHome(); |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| overridePendingTransition( |
| R.anim.recents_return_to_launcher_enter, |
| R.anim.recents_return_to_launcher_exit); |
| mForeground = false; |
| super.onPause(); |
| } |
| |
| @Override |
| public void onStop() { |
| mShowing = false; |
| if (mRecentsPanel != null) { |
| mRecentsPanel.onUiHidden(); |
| } |
| super.onStop(); |
| } |
| |
| private void updateWallpaperVisibility(boolean visible) { |
| int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0; |
| int curflags = getWindow().getAttributes().flags |
| & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; |
| if (wpflags != curflags) { |
| getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER); |
| } |
| } |
| |
| public static boolean forceOpaqueBackground(Context context) { |
| return WallpaperManager.getInstance(context).getWallpaperInfo() != null; |
| } |
| |
| @Override |
| public void onStart() { |
| // Hide wallpaper if it's not a static image |
| if (forceOpaqueBackground(this)) { |
| updateWallpaperVisibility(false); |
| } else { |
| updateWallpaperVisibility(true); |
| } |
| mShowing = true; |
| if (mRecentsPanel != null) { |
| // Call and refresh the recent tasks list in case we didn't preload tasks |
| // or in case we don't get an onNewIntent |
| mRecentsPanel.refreshRecentTasksList(); |
| mRecentsPanel.refreshViews(); |
| } |
| super.onStart(); |
| } |
| |
| @Override |
| public void onResume() { |
| mForeground = true; |
| super.onResume(); |
| } |
| |
| @Override |
| public void onBackPressed() { |
| dismissAndGoBack(); |
| } |
| |
| public void dismissAndGoHome() { |
| if (mRecentsPanel != null) { |
| 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); |
| startActivityAsUser(homeIntent, new UserHandle(UserHandle.USER_CURRENT)); |
| mRecentsPanel.show(false); |
| } |
| } |
| |
| public void dismissAndGoBack() { |
| if (mRecentsPanel != null) { |
| final ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE); |
| |
| final List<ActivityManager.RecentTaskInfo> recentTasks = |
| am.getRecentTasks(2, |
| ActivityManager.RECENT_WITH_EXCLUDED | |
| ActivityManager.RECENT_IGNORE_UNAVAILABLE | |
| ActivityManager.RECENT_INCLUDE_PROFILES); |
| if (recentTasks.size() > 1 && |
| mRecentsPanel.simulateClick(recentTasks.get(1).persistentId)) { |
| // recents panel will take care of calling show(false) through simulateClick |
| return; |
| } |
| mRecentsPanel.show(false); |
| } |
| finish(); |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| getWindow().addPrivateFlags( |
| WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR); |
| setContentView(R.layout.status_bar_recent_panel); |
| mRecentsPanel = (RecentsPanelView) findViewById(R.id.recents_root); |
| mRecentsPanel.setOnTouchListener(new TouchOutsideListener(mRecentsPanel)); |
| mRecentsPanel.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
| | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
| | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION); |
| |
| final RecentTasksLoader recentTasksLoader = RecentTasksLoader.getInstance(this); |
| recentTasksLoader.setRecentsPanel(mRecentsPanel, mRecentsPanel); |
| mRecentsPanel.setMinSwipeAlpha( |
| getResources().getInteger(R.integer.config_recent_item_min_alpha) / 100f); |
| |
| if (savedInstanceState == null || |
| savedInstanceState.getBoolean(WAS_SHOWING)) { |
| handleIntent(getIntent(), (savedInstanceState == null)); |
| } |
| mIntentFilter = new IntentFilter(); |
| mIntentFilter.addAction(CLOSE_RECENTS_INTENT); |
| mIntentFilter.addAction(WINDOW_ANIMATION_START_INTENT); |
| registerReceiver(mIntentReceiver, mIntentFilter); |
| super.onCreate(savedInstanceState); |
| } |
| |
| @Override |
| protected void onSaveInstanceState(Bundle outState) { |
| outState.putBoolean(WAS_SHOWING, mRecentsPanel.isShowing()); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| RecentTasksLoader.getInstance(this).setRecentsPanel(null, mRecentsPanel); |
| unregisterReceiver(mIntentReceiver); |
| super.onDestroy(); |
| } |
| |
| @Override |
| protected void onNewIntent(Intent intent) { |
| handleIntent(intent, true); |
| } |
| |
| private void handleIntent(Intent intent, boolean checkWaitingForAnimationParam) { |
| super.onNewIntent(intent); |
| |
| if (TOGGLE_RECENTS_INTENT.equals(intent.getAction())) { |
| if (mRecentsPanel != null) { |
| if (mRecentsPanel.isShowing()) { |
| dismissAndGoBack(); |
| } else { |
| final RecentTasksLoader recentTasksLoader = RecentTasksLoader.getInstance(this); |
| boolean waitingForWindowAnimation = checkWaitingForAnimationParam && |
| intent.getBooleanExtra(WAITING_FOR_WINDOW_ANIMATION_PARAM, false); |
| mRecentsPanel.show(true, recentTasksLoader.getLoadedTasks(), |
| recentTasksLoader.isFirstScreenful(), waitingForWindowAnimation); |
| } |
| } |
| } |
| } |
| |
| boolean isForeground() { |
| return mForeground; |
| } |
| |
| boolean isActivityShowing() { |
| return mShowing; |
| } |
| } |
