| /* |
| ** |
| ** Copyright 2008, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <binder/Parcel.h> |
| #include <binder/IPCThreadState.h> |
| #include <binder/IServiceManager.h> |
| |
| #include <camera/ICameraService.h> |
| |
| namespace android { |
| |
| class BpCameraService: public BpInterface<ICameraService> |
| { |
| public: |
| BpCameraService(const sp<IBinder>& impl) |
| : BpInterface<ICameraService>(impl) |
| { |
| } |
| |
| // get number of cameras available |
| virtual int32_t getNumberOfCameras() |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(ICameraService::getInterfaceDescriptor()); |
| remote()->transact(BnCameraService::GET_NUMBER_OF_CAMERAS, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| // get information about a camera |
| virtual status_t getCameraInfo(int cameraId, |
| struct CameraInfo* cameraInfo) { |
| Parcel data, reply; |
| data.writeInterfaceToken(ICameraService::getInterfaceDescriptor()); |
| data.writeInt32(cameraId); |
| remote()->transact(BnCameraService::GET_CAMERA_INFO, data, &reply); |
| cameraInfo->facing = reply.readInt32(); |
| cameraInfo->orientation = reply.readInt32(); |
| return reply.readInt32(); |
| } |
| |
| // connect to camera service |
| virtual sp<ICamera> connect(const sp<ICameraClient>& cameraClient, int cameraId, |
| bool force, bool keep) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(ICameraService::getInterfaceDescriptor()); |
| data.writeStrongBinder(cameraClient->asBinder()); |
| data.writeInt32(cameraId); |
| data.writeInt32(force); |
| data.writeInt32(keep); |
| remote()->transact(BnCameraService::CONNECT, data, &reply); |
| return interface_cast<ICamera>(reply.readStrongBinder()); |
| } |
| }; |
| |
| IMPLEMENT_META_INTERFACE(CameraService, "android.hardware.ICameraService"); |
| |
| // ---------------------------------------------------------------------- |
| |
| status_t BnCameraService::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| switch(code) { |
| case GET_NUMBER_OF_CAMERAS: { |
| CHECK_INTERFACE(ICameraService, data, reply); |
| reply->writeInt32(getNumberOfCameras()); |
| return NO_ERROR; |
| } break; |
| case GET_CAMERA_INFO: { |
| CHECK_INTERFACE(ICameraService, data, reply); |
| CameraInfo cameraInfo; |
| memset(&cameraInfo, 0, sizeof(cameraInfo)); |
| status_t result = getCameraInfo(data.readInt32(), &cameraInfo); |
| reply->writeInt32(cameraInfo.facing); |
| reply->writeInt32(cameraInfo.orientation); |
| reply->writeInt32(result); |
| return NO_ERROR; |
| } break; |
| case CONNECT: { |
| CHECK_INTERFACE(ICameraService, data, reply); |
| sp<ICameraClient> cameraClient = interface_cast<ICameraClient>(data.readStrongBinder()); |
| const int cameraId = data.readInt32(); |
| const int force = data.readInt32(); |
| const int keep = data.readInt32(); |
| sp<ICamera> camera = connect(cameraClient, cameraId, force, keep); |
| reply->writeStrongBinder(camera->asBinder()); |
| return NO_ERROR; |
| } break; |
| default: |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| }; // namespace android |