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/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "RemoteSampleBufferDisplayLayerManager.h"
#if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
#include "Decoder.h"
#include "GPUConnectionToWebProcess.h"
#include "GPUProcess.h"
#include "RemoteSampleBufferDisplayLayer.h"
#include "RemoteSampleBufferDisplayLayerManagerMessages.h"
#include "RemoteSampleBufferDisplayLayerMessages.h"
#include <WebCore/IntSize.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(RemoteSampleBufferDisplayLayerManager);
RemoteSampleBufferDisplayLayerManager::RemoteSampleBufferDisplayLayerManager(GPUConnectionToWebProcess& gpuConnectionToWebProcess, SharedPreferencesForWebProcess& sharedPreferencesForWebProcess)
: m_connectionToWebProcess(gpuConnectionToWebProcess)
, m_connection(gpuConnectionToWebProcess.connection())
, m_sharedPreferencesForWebProcess(sharedPreferencesForWebProcess)
, m_queue(gpuConnectionToWebProcess.protectedGPUProcess()->videoMediaStreamTrackRendererQueue())
{
protectedQueue()->dispatch([this, protectedThis = Ref { *this }, sharedPreferencesForWebProcess] {
m_sharedPreferencesForWebProcess = sharedPreferencesForWebProcess;
});
}
void RemoteSampleBufferDisplayLayerManager::startListeningForIPC()
{
auto connection = m_connectionToWebProcess.get();
if (!connection)
return;
Ref ipcConnection = connection->protectedConnection();
ipcConnection->addWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayer::messageReceiverName(), m_queue, *this);
ipcConnection->addWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayerManager::messageReceiverName(), m_queue, *this);
}
RemoteSampleBufferDisplayLayerManager::~RemoteSampleBufferDisplayLayerManager() = default;
void RemoteSampleBufferDisplayLayerManager::close()
{
auto connection = m_connectionToWebProcess.get();
if (!connection)
return;
Ref ipcConnection = connection->protectedConnection();
ipcConnection->removeWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayer::messageReceiverName());
ipcConnection->removeWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayerManager::messageReceiverName());
protectedQueue()->dispatch([this, protectedThis = Ref { *this }] {
Locker lock(m_layersLock);
callOnMainRunLoop([layers = WTFMove(m_layers)] { });
});
}
bool RemoteSampleBufferDisplayLayerManager::dispatchMessage(IPC::Connection& connection, IPC::Decoder& decoder)
{
if (!ObjectIdentifier<SampleBufferDisplayLayerIdentifierType>::isValidIdentifier(decoder.destinationID()))
return false;
auto identifier = ObjectIdentifier<SampleBufferDisplayLayerIdentifierType>(decoder.destinationID());
Locker lock(m_layersLock);
if (RefPtr layer = m_layers.get(identifier))
layer->didReceiveMessage(connection, decoder);
return true;
}
void RemoteSampleBufferDisplayLayerManager::createLayer(SampleBufferDisplayLayerIdentifier identifier, bool hideRootLayer, WebCore::IntSize size, bool shouldMaintainAspectRatio, bool canShowWhileLocked, LayerCreationCallback&& callback)
{
callOnMainRunLoop([this, protectedThis = Ref { *this }, identifier, hideRootLayer, size, shouldMaintainAspectRatio, canShowWhileLocked, callback = WTFMove(callback)]() mutable {
auto connection = m_connectionToWebProcess.get();
if (!connection)
return callback({ });
auto layer = RemoteSampleBufferDisplayLayer::create(*connection, identifier, m_connection.copyRef(), protectedThis);
if (!layer) {
callback({ });
return;
}
layer->initialize(hideRootLayer, size, shouldMaintainAspectRatio, canShowWhileLocked, [this, protectedThis = Ref { *this }, callback = WTFMove(callback), identifier, layer = Ref { *layer }](auto layerId) mutable {
protectedQueue()->dispatch([protectedThis = Ref { *this }, callback = WTFMove(callback), identifier, layer = WTFMove(layer), layerId = WTFMove(layerId)]() mutable {
Locker lock(protectedThis->m_layersLock);
ASSERT(!protectedThis->m_layers.contains(identifier));
protectedThis->m_layers.add(identifier, WTFMove(layer));
callback(WTFMove(layerId));
});
});
});
}
void RemoteSampleBufferDisplayLayerManager::releaseLayer(SampleBufferDisplayLayerIdentifier identifier)
{
callOnMainRunLoop([this, protectedThis = Ref { *this }, identifier]() mutable {
protectedQueue()->dispatch([protectedThis = Ref { *this }, identifier] {
Locker lock(protectedThis->m_layersLock);
ASSERT(protectedThis->m_layers.contains(identifier));
callOnMainRunLoop([layer = protectedThis->m_layers.take(identifier)] { });
});
});
}
bool RemoteSampleBufferDisplayLayerManager::allowsExitUnderMemoryPressure() const
{
Locker lock(m_layersLock);
return m_layers.isEmpty();
}
void RemoteSampleBufferDisplayLayerManager::updateSampleBufferDisplayLayerBoundsAndPosition(SampleBufferDisplayLayerIdentifier identifier, WebCore::FloatRect bounds, std::optional<MachSendRight>&& sendRight)
{
Locker lock(m_layersLock);
if (RefPtr layer = m_layers.get(identifier))
layer->updateBoundsAndPosition(bounds, WTFMove(sendRight));
}
void RemoteSampleBufferDisplayLayerManager::updateSharedPreferencesForWebProcess(SharedPreferencesForWebProcess sharedPreferencesForWebProcess)
{
protectedQueue()->dispatch([this, protectedThis = Ref { *this }, sharedPreferencesForWebProcess = WTFMove(sharedPreferencesForWebProcess)] {
m_sharedPreferencesForWebProcess = sharedPreferencesForWebProcess;
});
}
}
#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
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