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 
17 #ifndef SYSTEM_CORE_LIBBINDERWRAPPER_REAL_BINDER_WRAPPER_H_
18 #define SYSTEM_CORE_LIBBINDERWRAPPER_REAL_BINDER_WRAPPER_H_
19 
20 #include <map>
21 
22 #include <binderwrapper/binder_wrapper.h>
23 
24 namespace android {
25 
26 class IBinder;
27 
28 // Real implementation of BinderWrapper.
29 class RealBinderWrapper : public BinderWrapper {
30  public:
31   RealBinderWrapper();
32   ~RealBinderWrapper() override;
33 
34   // BinderWrapper:
35   sp<IBinder> GetService(const std::string& service_name) override;
36   bool RegisterService(const std::string& service_name,
37                        const sp<IBinder>& binder) override;
38   sp<BBinder> CreateLocalBinder() override;
39   bool RegisterForDeathNotifications(const sp<IBinder>& binder,
40                                      const std::function<void()>& callback) override;
41   bool UnregisterForDeathNotifications(const sp<IBinder>& binder) override;
42   uid_t GetCallingUid() override;
43   pid_t GetCallingPid() override;
44 
45  private:
46   class DeathRecipient;
47 
48   // Map from binder handle to object that should be notified of the binder's
49   // death.
50   std::map<sp<IBinder>, sp<DeathRecipient>> death_recipients_;
51 
52   RealBinderWrapper(const RealBinderWrapper&) = delete;
53 };
54 
55 }  // namespace android
56 
57 #endif  // SYSTEM_CORE_LIBBINDER_WRAPPER_REAL_BINDER_WRAPPER_H_
58