| /* |
| * Copyright (C) 2019 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.quickstep; |
| |
| import static android.content.pm.ActivityInfo.CONFIG_ORIENTATION; |
| import static android.content.pm.ActivityInfo.CONFIG_SCREEN_SIZE; |
| |
| import android.content.Intent; |
| import android.content.res.Configuration; |
| import android.os.Bundle; |
| |
| import com.android.launcher3.AbstractFloatingView; |
| import com.android.launcher3.BaseDraggingActivity; |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.InvariantDeviceProfile; |
| import com.android.launcher3.R; |
| import com.android.launcher3.uioverrides.UiFactory; |
| import com.android.launcher3.util.SystemUiController; |
| import com.android.launcher3.util.Themes; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| /** |
| * A base fallback recents activity that provides support for device profile changes, activity |
| * lifecycle tracking, and basic input handling from recents. |
| * |
| * This class is only used as a fallback in case the default launcher does not have a recents |
| * implementation. |
| */ |
| public abstract class BaseRecentsActivity extends BaseDraggingActivity { |
| |
| private Configuration mOldConfig; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| mOldConfig = new Configuration(getResources().getConfiguration()); |
| initDeviceProfile(); |
| initViews(); |
| |
| getSystemUiController().updateUiState(SystemUiController.UI_STATE_BASE_WINDOW, |
| Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText)); |
| RecentsActivityTracker.onRecentsActivityCreate(this); |
| } |
| |
| /** |
| * Init drag layer and overview panel views. |
| */ |
| abstract protected void initViews(); |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| int diff = newConfig.diff(mOldConfig); |
| if ((diff & (CONFIG_ORIENTATION | CONFIG_SCREEN_SIZE)) != 0) { |
| onHandleConfigChanged(); |
| } |
| mOldConfig.setTo(newConfig); |
| super.onConfigurationChanged(newConfig); |
| } |
| |
| /** |
| * Logic for when device configuration changes (rotation, screen size change, multi-window, |
| * etc.) |
| */ |
| protected void onHandleConfigChanged() { |
| mUserEventDispatcher = null; |
| initDeviceProfile(); |
| |
| AbstractFloatingView.closeOpenViews(this, true, |
| AbstractFloatingView.TYPE_ALL & ~AbstractFloatingView.TYPE_REBIND_SAFE); |
| dispatchDeviceProfileChanged(); |
| |
| reapplyUi(); |
| } |
| |
| /** |
| * Initialize/update the device profile. |
| */ |
| private void initDeviceProfile() { |
| mDeviceProfile = createDeviceProfile(); |
| onDeviceProfileInitiated(); |
| } |
| |
| /** |
| * Generate the device profile to use in this activity. |
| * @return device profile |
| */ |
| protected DeviceProfile createDeviceProfile() { |
| DeviceProfile dp = InvariantDeviceProfile.INSTANCE.get(this).getDeviceProfile(this); |
| |
| // In case we are reusing IDP, create a copy so that we don't conflict with Launcher |
| // activity. |
| return dp.copy(this); |
| } |
| |
| |
| @Override |
| protected void onStop() { |
| super.onStop(); |
| |
| // Workaround for b/78520668, explicitly trim memory once UI is hidden |
| onTrimMemory(TRIM_MEMORY_UI_HIDDEN); |
| } |
| |
| @Override |
| public void onEnterAnimationComplete() { |
| super.onEnterAnimationComplete(); |
| UiFactory.onEnterAnimationComplete(this); |
| } |
| |
| @Override |
| public void onTrimMemory(int level) { |
| super.onTrimMemory(level); |
| UiFactory.onTrimMemory(this, level); |
| } |
| |
| @Override |
| protected void onNewIntent(Intent intent) { |
| super.onNewIntent(intent); |
| RecentsActivityTracker.onRecentsActivityNewIntent(this); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| super.onDestroy(); |
| RecentsActivityTracker.onRecentsActivityDestroy(this); |
| } |
| |
| @Override |
| public void onBackPressed() { |
| // TODO: Launch the task we came from |
| startHome(); |
| } |
| |
| public void startHome() { |
| startActivity(new Intent(Intent.ACTION_MAIN) |
| .addCategory(Intent.CATEGORY_HOME) |
| .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)); |
| } |
| |
| @Override |
| public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| super.dump(prefix, fd, writer, args); |
| writer.println(prefix + "Misc:"); |
| dumpMisc(prefix + "\t", writer); |
| } |
| } |