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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdint.h>
#include <sys/types.h>
#include <binder/IInterface.h>
#include <binder/Parcel.h>
#include <gui/IConsumerListener.h>
#include <gui/BufferItem.h>
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
enum {
ON_FRAME_AVAILABLE = IBinder::FIRST_CALL_TRANSACTION,
ON_BUFFER_RELEASED,
ON_SIDEBAND_STREAM_CHANGED,
};
class BpConsumerListener : public BpInterface<IConsumerListener>
{
public:
BpConsumerListener(const sp<IBinder>& impl)
: BpInterface<IConsumerListener>(impl) {
}
virtual ~BpConsumerListener();
virtual void onFrameAvailable(const BufferItem& item) {
Parcel data, reply;
data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
data.write(item);
remote()->transact(ON_FRAME_AVAILABLE, data, &reply, IBinder::FLAG_ONEWAY);
}
virtual void onBuffersReleased() {
Parcel data, reply;
data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
remote()->transact(ON_BUFFER_RELEASED, data, &reply, IBinder::FLAG_ONEWAY);
}
virtual void onSidebandStreamChanged() {
Parcel data, reply;
data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
remote()->transact(ON_SIDEBAND_STREAM_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
}
};
// Out-of-line virtual method definition to trigger vtable emission in this
// translation unit (see clang warning -Wweak-vtables)
BpConsumerListener::~BpConsumerListener() {}
IMPLEMENT_META_INTERFACE(ConsumerListener, "android.gui.IConsumerListener");
// ----------------------------------------------------------------------
status_t BnConsumerListener::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case ON_FRAME_AVAILABLE: {
CHECK_INTERFACE(IConsumerListener, data, reply);
BufferItem item;
data.read(item);
onFrameAvailable(item);
return NO_ERROR; }
case ON_BUFFER_RELEASED: {
CHECK_INTERFACE(IConsumerListener, data, reply);
onBuffersReleased();
return NO_ERROR; }
case ON_SIDEBAND_STREAM_CHANGED: {
CHECK_INTERFACE(IConsumerListener, data, reply);
onSidebandStreamChanged();
return NO_ERROR; }
}
return BBinder::onTransact(code, data, reply, flags);
}
// ---------------------------------------------------------------------------
}; // namespace android
// ---------------------------------------------------------------------------
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