ICameraServiceProxy.cpp revision 412fe56cd7cf7d73bc5d2bcc3f635bc650d18de9 
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#define LOG_TAG "BpCameraServiceProxy"
18
19#include <stdint.h>
20
21#include <binder/Parcel.h>
22
23#include <camera/ICameraServiceProxy.h>
24
25namespace android {
26
27class BpCameraServiceProxy: public BpInterface<ICameraServiceProxy> {
28public:
29    BpCameraServiceProxy(const sp<IBinder>& impl) : BpInterface<ICameraServiceProxy>(impl) {}
30
31    virtual void pingForUserUpdate() {
32        Parcel data;
33        data.writeInterfaceToken(ICameraServiceProxy::getInterfaceDescriptor());
34        remote()->transact(BnCameraServiceProxy::PING_FOR_USER_UPDATE, data, nullptr,
35                IBinder::FLAG_ONEWAY);
36    }
37
38    virtual void notifyCameraState(String16 cameraId, CameraState newCameraState) {
39        Parcel data;
40        data.writeInterfaceToken(ICameraServiceProxy::getInterfaceDescriptor());
41        data.writeString16(cameraId);
42        data.writeInt32(newCameraState);
43        remote()->transact(BnCameraServiceProxy::NOTIFY_CAMERA_STATE, data, nullptr,
44                IBinder::FLAG_ONEWAY);
45    }
46
47};
48
49
50IMPLEMENT_META_INTERFACE(CameraServiceProxy, "android.hardware.ICameraServiceProxy");
51
52status_t BnCameraServiceProxy::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
53        uint32_t flags) {
54    switch(code) {
55        case PING_FOR_USER_UPDATE: {
56            CHECK_INTERFACE(ICameraServiceProxy, data, reply);
57            pingForUserUpdate();
58            return NO_ERROR;
59        } break;
60        case NOTIFY_CAMERA_STATE: {
61            CHECK_INTERFACE(ICameraServiceProxy, data, reply);
62            String16 cameraId = data.readString16();
63            CameraState newCameraState =
64                static_cast<CameraState>(data.readInt32());
65            notifyCameraState(cameraId, newCameraState);
66            return NO_ERROR;
67        } break;
68        default:
69            return BBinder::onTransact(code, data, reply, flags);
70    }
71}
72}; // namespace android
73