AppStateUsageBridge.java revision fee785645b57c519a31ed403e60e8f76dcc8abbb
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 */ 16package com.android.settings.applications; 17 18import android.Manifest; 19import android.app.AppOpsManager; 20import android.content.Context; 21import android.util.Log; 22 23import com.android.settingslib.applications.ApplicationsState; 24import com.android.settingslib.applications.ApplicationsState.AppEntry; 25import 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 */ 32public 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 39 public AppStateUsageBridge(Context context, ApplicationsState appState, Callback callback) { 40 super(context, appState, callback, APP_OPS_OP_CODE, PM_USAGE_STATS); 41 } 42 43 @Override 44 protected void updateExtraInfo(AppEntry app, String pkg, int uid) { 45 app.extraInfo = getUsageInfo(pkg, uid); 46 } 47 48 public UsageState getUsageInfo(String pkg, int uid) { 49 PermissionState permissionState = super.getPermissionInfo(pkg, uid); 50 return new UsageState(permissionState); 51 } 52 53 public static class UsageState extends AppStateAppOpsBridge.PermissionState { 54 55 public UsageState(PermissionState permissionState) { 56 super(permissionState.packageName, permissionState.userHandle); 57 this.packageInfo = permissionState.packageInfo; 58 this.appOpMode = permissionState.appOpMode; 59 this.permissionDeclared = permissionState.permissionDeclared; 60 this.staticPermissionGranted = permissionState.staticPermissionGranted; 61 } 62 } 63 64 public static final AppFilter FILTER_APP_USAGE = new AppFilter() { 65 @Override 66 public void init() { 67 } 68 69 @Override 70 public boolean filterApp(AppEntry info) { 71 return info.extraInfo != null; 72 } 73 }; 74} 75