AppOpsManager.java revision a06de0f29b58df9246779cc4bfd8f06f7205ddb6 
1/*
2 * Copyright (C) 2012 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
17package android.app;
18
19import com.android.internal.app.IAppOpsService;
20
21import android.content.Context;
22import android.os.Process;
23import android.os.RemoteException;
24
25/** @hide */
26public class AppOpsManager {
27    final Context mContext;
28    final IAppOpsService mService;
29
30    public static final int MODE_ALLOWED = 0;
31    public static final int MODE_IGNORED = 1;
32    public static final int MODE_ERRORED = 2;
33
34    public static final int OP_LOCATION = 0;
35    public static final int OP_GPS = 1;
36    public static final int OP_VIBRATE = 2;
37
38    public static String opToString(int op) {
39        switch (op) {
40            case OP_LOCATION: return "LOCATION";
41            case OP_GPS: return "GPS";
42            case OP_VIBRATE: return "VIBRATE";
43            default: return "Unknown(" + op + ")";
44        }
45    }
46
47    public AppOpsManager(Context context, IAppOpsService service) {
48        mContext = context;
49        mService = service;
50    }
51
52    public int noteOp(int op, int uid, String packageName) {
53        try {
54            int mode = mService.noteOperation(op, uid, packageName);
55            if (mode == MODE_ERRORED) {
56                throw new SecurityException("Operation not allowed");
57            }
58            return mode;
59        } catch (RemoteException e) {
60        }
61        return MODE_IGNORED;
62    }
63
64    public int noteOpNoThrow(int op, int uid, String packageName) {
65        try {
66            return mService.noteOperation(op, uid, packageName);
67        } catch (RemoteException e) {
68        }
69        return MODE_IGNORED;
70    }
71
72    public int noteOp(int op) {
73        return noteOp(op, Process.myUid(), mContext.getPackageName());
74    }
75
76    public int startOp(int op, int uid, String packageName) {
77        try {
78            int mode = mService.startOperation(op, uid, packageName);
79            if (mode == MODE_ERRORED) {
80                throw new SecurityException("Operation not allowed");
81            }
82            return mode;
83        } catch (RemoteException e) {
84        }
85        return MODE_IGNORED;
86    }
87
88    public int startOpNoThrow(int op, int uid, String packageName) {
89        try {
90            return mService.startOperation(op, uid, packageName);
91        } catch (RemoteException e) {
92        }
93        return MODE_IGNORED;
94    }
95
96    public int startOp(int op) {
97        return startOp(op, Process.myUid(), mContext.getPackageName());
98    }
99
100    public void finishOp(int op, int uid, String packageName) {
101        try {
102            mService.finishOperation(op, uid, packageName);
103        } catch (RemoteException e) {
104        }
105    }
106
107    public void finishOp(int op) {
108        finishOp(op, Process.myUid(), mContext.getPackageName());
109    }
110}
111