1 /* 2 * Copyright (C) 2012 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 #include <stdint.h> 18 #include <sys/types.h> 19 20 #include <media/IRemoteDisplayClient.h> 21 #include <gui/IGraphicBufferProducer.h> 22 #include <utils/String8.h> 23 24 namespace android { 25 26 enum { 27 ON_DISPLAY_CONNECTED = IBinder::FIRST_CALL_TRANSACTION, 28 ON_DISPLAY_DISCONNECTED, 29 ON_DISPLAY_ERROR, 30 }; 31 32 class BpRemoteDisplayClient: public BpInterface<IRemoteDisplayClient> 33 { 34 public: 35 explicit BpRemoteDisplayClient(const sp<IBinder>& impl) 36 : BpInterface<IRemoteDisplayClient>(impl) 37 { 38 } 39 40 void onDisplayConnected(const sp<IGraphicBufferProducer>& bufferProducer, 41 uint32_t width, uint32_t height, uint32_t flags, uint32_t session) 42 { 43 Parcel data, reply; 44 data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor()); 45 data.writeStrongBinder(IInterface::asBinder(bufferProducer)); 46 data.writeInt32(width); 47 data.writeInt32(height); 48 data.writeInt32(flags); 49 data.writeInt32(session); 50 remote()->transact(ON_DISPLAY_CONNECTED, data, &reply, IBinder::FLAG_ONEWAY); 51 } 52 53 void onDisplayDisconnected() 54 { 55 Parcel data, reply; 56 data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor()); 57 remote()->transact(ON_DISPLAY_DISCONNECTED, data, &reply, IBinder::FLAG_ONEWAY); 58 } 59 60 void onDisplayError(int32_t error) 61 { 62 Parcel data, reply; 63 data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor()); 64 data.writeInt32(error); 65 remote()->transact(ON_DISPLAY_ERROR, data, &reply, IBinder::FLAG_ONEWAY); 66 } 67 }; 68 69 IMPLEMENT_META_INTERFACE(RemoteDisplayClient, "android.media.IRemoteDisplayClient"); 70 71 // ---------------------------------------------------------------------- 72 73 status_t BnRemoteDisplayClient::onTransact( 74 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 75 { 76 switch (code) { 77 case ON_DISPLAY_CONNECTED: { 78 CHECK_INTERFACE(IRemoteDisplayClient, data, reply); 79 sp<IGraphicBufferProducer> surfaceTexture( 80 interface_cast<IGraphicBufferProducer>(data.readStrongBinder())); 81 uint32_t width = data.readInt32(); 82 uint32_t height = data.readInt32(); 83 uint32_t flags = data.readInt32(); 84 uint32_t session = data.readInt32(); 85 onDisplayConnected(surfaceTexture, width, height, flags, session); 86 return NO_ERROR; 87 } 88 case ON_DISPLAY_DISCONNECTED: { 89 CHECK_INTERFACE(IRemoteDisplayClient, data, reply); 90 onDisplayDisconnected(); 91 return NO_ERROR; 92 } 93 case ON_DISPLAY_ERROR: { 94 CHECK_INTERFACE(IRemoteDisplayClient, data, reply); 95 int32_t error = data.readInt32(); 96 onDisplayError(error); 97 return NO_ERROR; 98 } 99 default: 100 return BBinder::onTransact(code, data, reply, flags); 101 } 102 } 103 104 } // namespace android 105
