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#define LOG_TAG "VrManager"
18#include <utils/Log.h>
19
20#include <vr/vr_manager/vr_manager.h>
21#include <stdint.h>
22#include <sys/types.h>
23#include <binder/Parcel.h>
24
25namespace android {
26
27// Must be kept in sync with interface defined in IVrStateCallbacks.aidl.
28
29class BpVrStateCallbacks : public BpInterface<IVrStateCallbacks> {
30 public:
31  explicit BpVrStateCallbacks(const sp<IBinder>& impl)
32      : BpInterface<IVrStateCallbacks>(impl) {}
33
34  void onVrStateChanged(bool enabled) {
35    Parcel data, reply;
36    data.writeInterfaceToken(IVrStateCallbacks::getInterfaceDescriptor());
37    data.writeBool(enabled);
38    remote()->transact(ON_VR_STATE_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
39  }
40};
41
42IMPLEMENT_META_INTERFACE(VrStateCallbacks, "android.service.vr.IVrStateCallbacks");
43
44status_t BnVrStateCallbacks::onTransact(uint32_t code, const Parcel& data,
45                                        Parcel* reply, uint32_t flags) {
46  switch(code) {
47    case ON_VR_STATE_CHANGED: {
48      CHECK_INTERFACE(IVrStateCallbacks, data, reply);
49      onVrStateChanged(data.readBool());
50      return OK;
51    }
52  }
53  return BBinder::onTransact(code, data, reply, flags);
54}
55
56// Must be kept in sync with interface defined in
57// IPersistentVrStateCallbacks.aidl.
58
59class BpPersistentVrStateCallbacks
60    : public BpInterface<IPersistentVrStateCallbacks> {
61 public:
62  explicit BpPersistentVrStateCallbacks(const sp<IBinder>& impl)
63      : BpInterface<IPersistentVrStateCallbacks>(impl) {}
64
65  void onPersistentVrStateChanged(bool enabled) {
66    Parcel data, reply;
67    data.writeInterfaceToken(
68        IPersistentVrStateCallbacks::getInterfaceDescriptor());
69    data.writeBool(enabled);
70    remote()->transact(ON_PERSISTENT_VR_STATE_CHANGED,
71                       data, &reply, IBinder::FLAG_ONEWAY);
72  }
73};
74
75IMPLEMENT_META_INTERFACE(PersistentVrStateCallbacks,
76                         "android.service.vr.IPersistentVrStateCallbacks");
77
78status_t BnPersistentVrStateCallbacks::onTransact(
79    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
80  switch(code) {
81    case ON_PERSISTENT_VR_STATE_CHANGED: {
82      CHECK_INTERFACE(IPersistentVrStateCallbacks, data, reply);
83      onPersistentVrStateChanged(data.readBool());
84      return OK;
85    }
86  }
87  return BBinder::onTransact(code, data, reply, flags);
88}
89
90// Must be kept in sync with interface defined in IVrManager.aidl.
91
92class BpVrManager : public BpInterface<IVrManager> {
93 public:
94  explicit BpVrManager(const sp<IBinder>& impl)
95      : BpInterface<IVrManager>(impl) {}
96
97  void registerListener(const sp<IVrStateCallbacks>& cb) override {
98    Parcel data;
99    data.writeInterfaceToken(IVrManager::getInterfaceDescriptor());
100    data.writeStrongBinder(IInterface::asBinder(cb));
101    remote()->transact(REGISTER_LISTENER, data, NULL);
102  }
103
104  void unregisterListener(const sp<IVrStateCallbacks>& cb) override {
105    Parcel data;
106    data.writeInterfaceToken(IVrManager::getInterfaceDescriptor());
107    data.writeStrongBinder(IInterface::asBinder(cb));
108    remote()->transact(UNREGISTER_LISTENER, data, NULL);
109  }
110
111  void registerPersistentVrStateListener(
112      const sp<IPersistentVrStateCallbacks>& cb) override {
113    Parcel data;
114    data.writeInterfaceToken(IVrManager::getInterfaceDescriptor());
115    data.writeStrongBinder(IInterface::asBinder(cb));
116    remote()->transact(REGISTER_PERSISTENT_VR_STATE_LISTENER, data, NULL);
117  }
118
119  void unregisterPersistentVrStateListener(
120      const sp<IPersistentVrStateCallbacks>& cb) override {
121    Parcel data;
122    data.writeInterfaceToken(IVrManager::getInterfaceDescriptor());
123    data.writeStrongBinder(IInterface::asBinder(cb));
124    remote()->transact(UNREGISTER_PERSISTENT_VR_STATE_LISTENER, data, NULL);
125  }
126
127  bool getVrModeState() override {
128    Parcel data, reply;
129    data.writeInterfaceToken(IVrManager::getInterfaceDescriptor());
130    remote()->transact(GET_VR_MODE_STATE, data, &reply);
131    int32_t ret = reply.readExceptionCode();
132    if (ret != 0) {
133      return false;
134    }
135    return reply.readBool();
136  }
137};
138
139IMPLEMENT_META_INTERFACE(VrManager, "android.service.vr.IVrManager");
140
141}  // namespace android
142