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/*
* Copyright (C) 2018 The LineageOS 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.launcher3.lineage;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.os.Handler;
import com.android.launcher3.AppInfo;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherCallbacks;
import com.android.launcher3.Utilities;
import com.google.android.libraries.gsa.launcherclient.LauncherClient;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.ArrayList;
public class LineageLauncherCallbacks implements LauncherCallbacks,
OnSharedPreferenceChangeListener, OnDeviceProfileChangeListener {
public static final String KEY_ENABLE_MINUS_ONE = "pref_enable_minus_one";
public static final String SEARCH_PACKAGE = "com.google.android.googlequicksearchbox";
private final LineageLauncher mLauncher;
private OverlayCallbackImpl mOverlayCallbacks;
private LauncherClient mLauncherClient;
private boolean mDeferCallbacks;
public LineageLauncherCallbacks(LineageLauncher launcher) {
mLauncher = launcher;
}
public void deferCallbacksUntilNextResumeOrStop() {
mDeferCallbacks = true;
}
public LauncherClient getLauncherClient() {
return mLauncherClient;
}
@Override
public void onCreate(Bundle savedInstanceState) {
SharedPreferences prefs = Utilities.getPrefs(mLauncher);
mOverlayCallbacks = new OverlayCallbackImpl(mLauncher);
mLauncherClient = new LauncherClient(mLauncher, mOverlayCallbacks, getClientOptions(prefs));
mOverlayCallbacks.setClient(mLauncherClient);
prefs.registerOnSharedPreferenceChangeListener(this);
mLauncher.addOnDeviceProfileChangeListener(this);
}
@Override
public void onDetachedFromWindow() {
mLauncherClient.onDetachedFromWindow();
}
@Override
public void onAttachedToWindow() {
mLauncherClient.onAttachedToWindow();
}
@Override
public void onHomeIntent(boolean internalStateHandled) {
mLauncherClient.hideOverlay(mLauncher.isStarted() && !mLauncher.isForceInvisible());
}
@Override
public void onResume() {
Handler handler = mLauncher.getDragLayer().getHandler();
if (mDeferCallbacks) {
if (handler == null) {
// Finish defer if we are not attached to window.
checkIfStillDeferred();
} else {
// Wait one frame before checking as we can get multiple resume-pause events
// in the same frame.
handler.post(this::checkIfStillDeferred);
}
} else {
mLauncherClient.onResume();
}
}
@Override
public void onPause() {
if (!mDeferCallbacks) {
mLauncherClient.onPause();
}
}
@Override
public void onStart() {
if (!mDeferCallbacks) {
mLauncherClient.onStart();
}
}
@Override
public void onStop() {
if (mDeferCallbacks) {
checkIfStillDeferred();
} else {
mLauncherClient.onStop();
}
}
@Override
public void onDeviceProfileChanged(DeviceProfile dp) {
mLauncherClient.reattachOverlay();
}
private void checkIfStillDeferred() {
if (!mDeferCallbacks) {
return;
}
if (!mLauncher.hasBeenResumed() && mLauncher.isStarted()) {
return;
}
mDeferCallbacks = false;
// Move the client to the correct state. Calling the same method twice is no-op.
if (mLauncher.isStarted()) {
mLauncherClient.onStart();
}
if (mLauncher.hasBeenResumed()) {
mLauncherClient.onResume();
} else {
mLauncherClient.onPause();
}
if (!mLauncher.isStarted()) {
mLauncherClient.onStop();
}
}
@Override
public void onDestroy() {
mLauncherClient.onDestroy();
Utilities.getPrefs(mLauncher).unregisterOnSharedPreferenceChangeListener(this);
}
@Override
public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
if (KEY_ENABLE_MINUS_ONE.equals(key)) {
mLauncherClient.setClientOptions(getClientOptions(prefs));
}
}
@Override
public void onSaveInstanceState(Bundle outState) { }
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) { }
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { }
@Override
public void dump(String prefix, FileDescriptor fd, PrintWriter w, String[] args) {
mLauncherClient.dump(prefix, w);
}
@Override
public boolean handleBackPressed() {
return false;
}
@Override
public void onTrimMemory(int level) { }
@Override
public void onLauncherProviderChange() { }
@Override
public boolean startSearch(String initialQuery, boolean selectInitialQuery, Bundle appSearchData) {
return false;
}
private LauncherClient.ClientOptions getClientOptions(SharedPreferences prefs) {
return new LauncherClient.ClientOptions(
prefs.getBoolean(KEY_ENABLE_MINUS_ONE, true),
true, /* enableHotword */
true /* enablePrewarming */
);
}
}
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