1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * Copyright (C) 2012-2013, The Linux Foundation. All rights reserved. 4 * 5 * Not a Contribution, Apache license notifications and license are 6 * retained for attribution purposes only. 7 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21#include <sys/types.h> 22#include <binder/Parcel.h> 23#include <binder/IBinder.h> 24#include <binder/IInterface.h> 25#include <utils/Errors.h> 26#include <IQClient.h> 27 28using namespace android; 29 30// --------------------------------------------------------------------------- 31// XXX: Since qservice currently runs as part of hwc instead of a standalone 32// process, the implementation below is overridden and the notifyCallback in 33// hwc_qclient is directly called. 34 35namespace qClient { 36 37enum { 38 NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION, 39}; 40 41class BpQClient : public BpInterface<IQClient> 42{ 43public: 44 BpQClient(const sp<IBinder>& impl) 45 : BpInterface<IQClient>(impl) {} 46 47 virtual status_t notifyCallback(uint32_t command, 48 const Parcel* inParcel, 49 Parcel* outParcel) { 50 Parcel data; 51 Parcel *reply = outParcel; 52 data.writeInterfaceToken(IQClient::getInterfaceDescriptor()); 53 data.writeInt32(command); 54 if (inParcel->dataAvail()) 55 data.appendFrom(inParcel, inParcel->dataPosition(), 56 inParcel->dataAvail()); 57 status_t result = remote()->transact(NOTIFY_CALLBACK, data, reply); 58 return result; 59 } 60}; 61 62IMPLEMENT_META_INTERFACE(QClient, "android.display.IQClient"); 63 64// ---------------------------------------------------------------------- 65//Stub implementation - nothing needed here 66status_t BnQClient::onTransact( 67 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 68{ 69 switch(code) { 70 case NOTIFY_CALLBACK: { 71 CHECK_INTERFACE(IQClient, data, reply); 72 uint32_t command = data.readInt32(); 73 notifyCallback(command, &data, reply); 74 return NO_ERROR; 75 } break; 76 default: 77 return BBinder::onTransact(code, data, reply, flags); 78 } 79 80} 81 82}; // namespace qClient 83