1/*
2* Copyright (c) 2014 The Linux Foundation. All rights reserved.
3*
4* Redistribution and use in source and binary forms, with or without
5* modification, are permitted provided that the following conditions are
6* met:
7*    * Redistributions of source code must retain the above copyright
8*      notice, this list of conditions and the following disclaimer.
9*    * Redistributions in binary form must reproduce the above
10*      copyright notice, this list of conditions and the following
11*      disclaimer in the documentation and/or other materials provided
12*      with the distribution.
13*    * Neither the name of The Linux Foundation. nor the names of its
14*      contributors may be used to endorse or promote products derived
15*      from this software without specific prior written permission.
16*
17* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*/
29#include <utils/Log.h>
30#include <binder/Parcel.h>
31#include "IQHDMIClient.h"
32
33using namespace android;
34namespace qClient {
35
36enum {
37    HDMI_CONNECTED = IBinder::FIRST_CALL_TRANSACTION,
38    CEC_MESSAGE_RECEIVED
39};
40
41class BpQHDMIClient : public BpInterface<IQHDMIClient>
42{
43public:
44    BpQHDMIClient(const sp<IBinder>& impl)
45            :BpInterface<IQHDMIClient>(impl)
46    {
47    }
48
49    void onHdmiHotplug(int connected)
50    {
51        Parcel data, reply;
52        data.writeInterfaceToken(IQHDMIClient::getInterfaceDescriptor());
53        data.writeInt32(connected);
54        remote()->transact(HDMI_CONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
55    }
56
57    void onCECMessageRecieved(char *msg, ssize_t len)
58    {
59        Parcel data, reply;
60        data.writeInterfaceToken(IQHDMIClient::getInterfaceDescriptor());
61        data.writeInt32((int32_t)len);
62        void *buf = data.writeInplace(len);
63        if (buf != NULL)
64            memcpy(buf, msg, len);
65        remote()->transact(CEC_MESSAGE_RECEIVED, data, &reply,
66                IBinder::FLAG_ONEWAY);
67    }
68};
69
70IMPLEMENT_META_INTERFACE(QHDMIClient,
71        "android.display.IQHDMIClient");
72
73status_t BnQHDMIClient::onTransact(uint32_t code, const Parcel& data,
74        Parcel* reply, uint32_t flags)
75{
76    switch(code) {
77        case HDMI_CONNECTED: {
78            CHECK_INTERFACE(IQHDMIClient, data, reply);
79            int connected = data.readInt32();
80            onHdmiHotplug(connected);
81            return NO_ERROR;
82        }
83        case CEC_MESSAGE_RECEIVED: {
84            CHECK_INTERFACE(IQHDMIClient, data, reply);
85            ssize_t len = data.readInt32();
86            const void* msg;
87            if(len >= 0 && len <= (ssize_t) data.dataAvail()) {
88                msg = data.readInplace(len);
89            } else {
90                msg = NULL;
91                len = 0;
92            }
93            if (msg != NULL)
94                onCECMessageRecieved((char*) msg, len);
95            return NO_ERROR;
96        }
97        default: {
98            return BBinder::onTransact(code, data, reply, flags);
99        }
100    }
101}
102
103}; //namespace qClient
104