1 /*
2  * Copyright (C) 2017 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 
17 #ifndef ANDROID_ACTIVITY_MANAGER_H
18 #define ANDROID_ACTIVITY_MANAGER_H
19 
20 #ifndef __ANDROID_VNDK__
21 
22 #include <binder/IActivityManager.h>
23 
24 #include <utils/threads.h>
25 
26 // ---------------------------------------------------------------------------
27 namespace android {
28 
29 class ActivityManager
30 {
31 public:
32 
33     enum {
34         // Flag for registerUidObserver: report uid gone
35         UID_OBSERVER_GONE = 1<<1,
36         // Flag for registerUidObserver: report uid has become idle
37         UID_OBSERVER_IDLE = 1<<2,
38         // Flag for registerUidObserver: report uid has become active
39         UID_OBSERVER_ACTIVE = 1<<3
40     };
41 
42     enum {
43         // Not a real process state
44         PROCESS_STATE_UNKNOWN = -1
45     };
46 
47     ActivityManager();
48 
49     int openContentUri(const String16& stringUri);
50     void registerUidObserver(const sp<IUidObserver>& observer,
51                              const int32_t event,
52                              const int32_t cutpoint,
53                              const String16& callingPackage);
54     void unregisterUidObserver(const sp<IUidObserver>& observer);
55     bool isUidActive(const uid_t uid, const String16& callingPackage);
56 
57     status_t linkToDeath(const sp<IBinder::DeathRecipient>& recipient);
58     status_t unlinkToDeath(const sp<IBinder::DeathRecipient>& recipient);
59 
60 private:
61     Mutex mLock;
62     sp<IActivityManager> mService;
63     sp<IActivityManager> getService();
64 };
65 
66 
67 }; // namespace android
68 // ---------------------------------------------------------------------------
69 #else // __ANDROID_VNDK__
70 #error "This header is not visible to vendors"
71 #endif // __ANDROID_VNDK__
72 
73 #endif // ANDROID_ACTIVITY_MANAGER_H
74