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104 lines
3.6 KiB
104 lines
3.6 KiB
4 months ago
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/*
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* Copyright (c) 2014 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <log/log.h>
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#include <binder/Parcel.h>
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#include "IQHDMIClient.h"
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using namespace android;
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namespace qClient {
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enum {
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HDMI_CONNECTED = IBinder::FIRST_CALL_TRANSACTION,
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CEC_MESSAGE_RECEIVED
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};
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class BpQHDMIClient : public BpInterface<IQHDMIClient>
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{
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public:
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BpQHDMIClient(const sp<IBinder>& impl)
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:BpInterface<IQHDMIClient>(impl)
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{
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}
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void onHdmiHotplug(int connected)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IQHDMIClient::getInterfaceDescriptor());
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data.writeInt32(connected);
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remote()->transact(HDMI_CONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
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}
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void onCECMessageRecieved(char *msg, ssize_t len)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IQHDMIClient::getInterfaceDescriptor());
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data.writeInt32((int32_t)len);
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void *buf = data.writeInplace(len);
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if (buf != NULL)
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memcpy(buf, msg, len);
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remote()->transact(CEC_MESSAGE_RECEIVED, data, &reply,
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IBinder::FLAG_ONEWAY);
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}
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};
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IMPLEMENT_META_INTERFACE(QHDMIClient,
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"android.display.IQHDMIClient");
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status_t BnQHDMIClient::onTransact(uint32_t code, const Parcel& data,
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Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case HDMI_CONNECTED: {
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CHECK_INTERFACE(IQHDMIClient, data, reply);
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int connected = data.readInt32();
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onHdmiHotplug(connected);
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return NO_ERROR;
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}
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case CEC_MESSAGE_RECEIVED: {
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CHECK_INTERFACE(IQHDMIClient, data, reply);
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ssize_t len = data.readInt32();
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const void* msg;
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if(len >= 0 && len <= (ssize_t) data.dataAvail()) {
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msg = data.readInplace(len);
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} else {
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msg = NULL;
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len = 0;
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}
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if (msg != NULL)
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onCECMessageRecieved((char*) msg, len);
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return NO_ERROR;
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}
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default: {
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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}
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}; //namespace qClient
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