1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.applications; 17 18 import android.Manifest; 19 import android.app.AppOpsManager; 20 import android.content.Context; 21 import android.util.Log; 22 23 import com.android.settingslib.applications.ApplicationsState; 24 import com.android.settingslib.applications.ApplicationsState.AppEntry; 25 import com.android.settingslib.applications.ApplicationsState.AppFilter; 26 27 /* 28 * Connects app usage info to the ApplicationsState. Wraps around the generic AppStateAppOpsBridge 29 * class to tailor to the semantics of PACKAGE_USAGE_STATS. Also provides app filters that can use 30 * the info. 31 */ 32 public class AppStateUsageBridge extends AppStateAppOpsBridge { 33 34 private static final String TAG = "AppStateUsageBridge"; 35 36 private static final String PM_USAGE_STATS = Manifest.permission.PACKAGE_USAGE_STATS; 37 private static final int APP_OPS_OP_CODE = AppOpsManager.OP_GET_USAGE_STATS; 38 private static final String[] PM_PERMISSION = { 39 PM_USAGE_STATS 40 }; 41 AppStateUsageBridge(Context context, ApplicationsState appState, Callback callback)42 public AppStateUsageBridge(Context context, ApplicationsState appState, Callback callback) { 43 super(context, appState, callback, APP_OPS_OP_CODE, PM_PERMISSION); 44 } 45 46 @Override updateExtraInfo(AppEntry app, String pkg, int uid)47 protected void updateExtraInfo(AppEntry app, String pkg, int uid) { 48 app.extraInfo = getUsageInfo(pkg, uid); 49 } 50 getUsageInfo(String pkg, int uid)51 public UsageState getUsageInfo(String pkg, int uid) { 52 PermissionState permissionState = super.getPermissionInfo(pkg, uid); 53 return new UsageState(permissionState); 54 } 55 56 public static class UsageState extends AppStateAppOpsBridge.PermissionState { 57 UsageState(PermissionState permissionState)58 public UsageState(PermissionState permissionState) { 59 super(permissionState.packageName, permissionState.userHandle); 60 this.packageInfo = permissionState.packageInfo; 61 this.appOpMode = permissionState.appOpMode; 62 this.permissionDeclared = permissionState.permissionDeclared; 63 this.staticPermissionGranted = permissionState.staticPermissionGranted; 64 } 65 } 66 67 public static final AppFilter FILTER_APP_USAGE = new AppFilter() { 68 @Override 69 public void init() { 70 } 71 72 @Override 73 public boolean filterApp(AppEntry info) { 74 return info.extraInfo != null; 75 } 76 }; 77 } 78