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 <base/macros.h>
23 #include <binderwrapper/binder_wrapper.h>
24 
25 namespace android {
26 
27 class IBinder;
28 
29 // Real implementation of BinderWrapper.
30 class RealBinderWrapper : public BinderWrapper {
31  public:
32   RealBinderWrapper();
33   ~RealBinderWrapper() override;
34 
35   // BinderWrapper:
36   sp<IBinder> GetService(const std::string& service_name) override;
37   bool RegisterService(const std::string& service_name,
38                        const sp<IBinder>& binder) override;
39   sp<BBinder> CreateLocalBinder() override;
40   bool RegisterForDeathNotifications(const sp<IBinder>& binder,
41                                      const ::base::Closure& callback) override;
42   bool UnregisterForDeathNotifications(const sp<IBinder>& binder) override;
43   uid_t GetCallingUid() override;
44   pid_t GetCallingPid() override;
45 
46  private:
47   class DeathRecipient;
48 
49   // Map from binder handle to object that should be notified of the binder's
50   // death.
51   std::map<sp<IBinder>, sp<DeathRecipient>> death_recipients_;
52 
53   DISALLOW_COPY_AND_ASSIGN(RealBinderWrapper);
54 };
55 
56 }  // namespace android
57 
58 #endif  // SYSTEM_CORE_LIBBINDER_WRAPPER_REAL_BINDER_WRAPPER_H_
59