1 /* 2 * Copyright (C) 2013 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 <binder/IInterface.h> 21 #include <binder/Parcel.h> 22 23 #include <gui/IConsumerListener.h> 24 25 // --------------------------------------------------------------------------- 26 namespace android { 27 // --------------------------------------------------------------------------- 28 29 enum { 30 ON_FRAME_AVAILABLE = IBinder::FIRST_CALL_TRANSACTION, 31 ON_BUFFER_RELEASED 32 }; 33 34 class BpConsumerListener : public BpInterface<IConsumerListener> 35 { 36 public: 37 BpConsumerListener(const sp<IBinder>& impl) 38 : BpInterface<IConsumerListener>(impl) { 39 } 40 41 virtual void onFrameAvailable() { 42 Parcel data, reply; 43 data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor()); 44 remote()->transact(ON_FRAME_AVAILABLE, data, &reply, IBinder::FLAG_ONEWAY); 45 } 46 47 virtual void onBuffersReleased() { 48 Parcel data, reply; 49 data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor()); 50 remote()->transact(ON_BUFFER_RELEASED, data, &reply, IBinder::FLAG_ONEWAY); 51 } 52 }; 53 54 IMPLEMENT_META_INTERFACE(ConsumerListener, "android.gui.IConsumerListener"); 55 56 // ---------------------------------------------------------------------- 57 58 status_t BnConsumerListener::onTransact( 59 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 60 { 61 switch(code) { 62 case ON_FRAME_AVAILABLE: 63 CHECK_INTERFACE(IConsumerListener, data, reply); 64 onFrameAvailable(); 65 return NO_ERROR; 66 case ON_BUFFER_RELEASED: 67 CHECK_INTERFACE(IConsumerListener, data, reply); 68 onBuffersReleased(); 69 return NO_ERROR; 70 } 71 return BBinder::onTransact(code, data, reply, flags); 72 } 73 74 75 // --------------------------------------------------------------------------- 76 }; // namespace android 77 // --------------------------------------------------------------------------- 78
