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