| /* |
| * Copyright (C) 2017 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.pip.phone; |
| |
| import static android.app.AppOpsManager.MODE_ALLOWED; |
| import static android.app.AppOpsManager.OP_PICTURE_IN_PICTURE; |
| |
| import android.app.AppOpsManager; |
| import android.app.AppOpsManager.OnOpChangedListener; |
| import android.app.IActivityManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.os.Handler; |
| import android.util.Pair; |
| |
| public class PipAppOpsListener { |
| private static final String TAG = PipAppOpsListener.class.getSimpleName(); |
| |
| private Context mContext; |
| private Handler mHandler; |
| private IActivityManager mActivityManager; |
| private AppOpsManager mAppOpsManager; |
| private Callback mCallback; |
| |
| private AppOpsManager.OnOpChangedListener mAppOpsChangedListener = new OnOpChangedListener() { |
| @Override |
| public void onOpChanged(String op, String packageName) { |
| try { |
| // Dismiss the PiP once the user disables the app ops setting for that package |
| final Pair<ComponentName, Integer> topPipActivityInfo = |
| PipUtils.getTopPipActivity(mContext, mActivityManager); |
| if (topPipActivityInfo.first != null) { |
| final ApplicationInfo appInfo = mContext.getPackageManager() |
| .getApplicationInfoAsUser(packageName, 0, topPipActivityInfo.second); |
| if (appInfo.packageName.equals(topPipActivityInfo.first.getPackageName()) && |
| mAppOpsManager.checkOpNoThrow(OP_PICTURE_IN_PICTURE, appInfo.uid, |
| packageName) != MODE_ALLOWED) { |
| mHandler.post(() -> mCallback.dismissPip()); |
| } |
| } |
| } catch (NameNotFoundException e) { |
| // Unregister the listener if the package can't be found |
| unregisterAppOpsListener(); |
| } |
| } |
| }; |
| |
| public PipAppOpsListener(Context context, IActivityManager activityManager, |
| Callback callback) { |
| mContext = context; |
| mHandler = new Handler(mContext.getMainLooper()); |
| mActivityManager = activityManager; |
| mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); |
| mCallback = callback; |
| } |
| |
| public void onActivityPinned(String packageName) { |
| // Register for changes to the app ops setting for this package while it is in PiP |
| registerAppOpsListener(packageName); |
| } |
| |
| public void onActivityUnpinned() { |
| // Unregister for changes to the previously PiP'ed package |
| unregisterAppOpsListener(); |
| } |
| |
| private void registerAppOpsListener(String packageName) { |
| mAppOpsManager.startWatchingMode(OP_PICTURE_IN_PICTURE, packageName, |
| mAppOpsChangedListener); |
| } |
| |
| private void unregisterAppOpsListener() { |
| mAppOpsManager.stopWatchingMode(mAppOpsChangedListener); |
| } |
| |
| /** Callback for PipAppOpsListener to request changes to the PIP window. */ |
| public interface Callback { |
| /** Dismisses the PIP window. */ |
| void dismissPip(); |
| } |
| } |