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/*
* 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);
}
}
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