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_VR_MANAGER_H
18 #define ANDROID_VR_MANAGER_H
19 
20 #include <binder/IInterface.h>
21 
22 namespace android {
23 
24 // Must be kept in sync with interface defined in IVrStateCallbacks.aidl.
25 
26 class IVrStateCallbacks : public IInterface {
27 public:
28     DECLARE_META_INTERFACE(VrStateCallbacks)
29 
30     virtual void onVrStateChanged(bool enabled) = 0;
31 };
32 
33 enum VrStateCallbacksTransaction {
34     ON_VR_STATE_CHANGED = IBinder::FIRST_CALL_TRANSACTION,
35 };
36 
37 class BnVrStateCallbacks : public BnInterface<IVrStateCallbacks> {
38 public:
39     status_t onTransact(uint32_t code, const Parcel& data,
40                         Parcel* reply, uint32_t flags = 0) override;
41 };
42 
43 
44 // Must be kept in sync with interface defined in
45 // IPersistentVrStateCallbacks.aidl.
46 
47 class IPersistentVrStateCallbacks : public IInterface {
48 public:
49     DECLARE_META_INTERFACE(PersistentVrStateCallbacks)
50 
51     virtual void onPersistentVrStateChanged(bool enabled) = 0;
52 };
53 
54 enum PersistentVrStateCallbacksTransaction {
55     ON_PERSISTENT_VR_STATE_CHANGED = IBinder::FIRST_CALL_TRANSACTION,
56 };
57 
58 class BnPersistentVrStateCallbacks
59         : public BnInterface<IPersistentVrStateCallbacks> {
60 public:
61     status_t onTransact(uint32_t code, const Parcel& data,
62                         Parcel* reply, uint32_t flags = 0) override;
63 };
64 
65 
66 // Must be kept in sync with interface defined in IVrManager.aidl.
67 
68 class IVrManager : public IInterface {
69 public:
70     DECLARE_META_INTERFACE(VrManager)
71 
72     virtual void registerListener(const sp<IVrStateCallbacks>& cb) = 0;
73     virtual void unregisterListener(const sp<IVrStateCallbacks>& cb) = 0;
74     virtual void registerPersistentVrStateListener(
75         const sp<IPersistentVrStateCallbacks>& cb) = 0;
76     virtual void unregisterPersistentVrStateListener(
77         const sp<IPersistentVrStateCallbacks>& cb) = 0;
78     virtual bool getVrModeState() = 0;
79 };
80 
81 enum VrManagerTransaction {
82     REGISTER_LISTENER = IBinder::FIRST_CALL_TRANSACTION,
83     UNREGISTER_LISTENER,
84     REGISTER_PERSISTENT_VR_STATE_LISTENER,
85     UNREGISTER_PERSISTENT_VR_STATE_LISTENER,
86     GET_VR_MODE_STATE,
87 };
88 
89 };  // namespace android
90 
91 #endif // ANDROID_VR_MANAGER_H
92