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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 "ImageBitmapBacking.h"
#include "Chrome.h"
#include "Page.h"
#include "WorkerClient.h"
#include "WorkerGlobalScope.h"
namespace WebCore {
ImageBitmapBacking::ImageBitmapBacking(RefPtr<ImageBuffer>&& bitmapData, OptionSet<SerializationState> serializationState)
: m_bitmapData(WTFMove(bitmapData))
, m_serializationState(serializationState)
{
ASSERT(m_bitmapData);
}
ImageBuffer* ImageBitmapBacking::buffer() const
{
return m_bitmapData.get();
}
RefPtr<ImageBuffer> ImageBitmapBacking::takeImageBuffer()
{
return WTFMove(m_bitmapData);
}
RefPtr<ImageBuffer> ImageBitmapBacking::takeImageBufferForDifferentThread()
{
return ImageBuffer::sinkIntoBufferForDifferentThread(WTFMove(m_bitmapData));
}
unsigned ImageBitmapBacking::width() const
{
// FIXME: Is this the right width?
return m_bitmapData ? m_bitmapData->truncatedLogicalSize().width() : 0;
}
unsigned ImageBitmapBacking::height() const
{
// FIXME: Is this the right height?
return m_bitmapData ? m_bitmapData->truncatedLogicalSize().height() : 0;
}
void ImageBitmapBacking::disconnect()
{
// FIXME: Rather than storing both the ImageBuffer and the
// SerializedImageBuffer here, with only one valid at a time,
// we should have a separate object for the serialized state
if (m_bitmapData)
m_serializedBitmap = ImageBuffer::sinkIntoSerializedImageBuffer(WTFMove(m_bitmapData));
ASSERT(!m_bitmapData);
}
void ImageBitmapBacking::connect(ScriptExecutionContext& context)
{
ASSERT(!m_bitmapData);
if (!m_serializedBitmap)
return;
if (is<WorkerGlobalScope>(context) && downcast<WorkerGlobalScope>(context).workerClient()) {
auto* client = downcast<WorkerGlobalScope>(context).workerClient();
m_bitmapData = client->sinkIntoImageBuffer(WTFMove(m_serializedBitmap));
} else if (is<Document>(context)) {
ASSERT(downcast<Document>(context).page());
m_bitmapData = downcast<Document>(context).page()->chrome().sinkIntoImageBuffer(WTFMove(m_serializedBitmap));
} else
m_bitmapData = SerializedImageBuffer::sinkIntoImageBuffer(WTFMove(m_serializedBitmap));
}
} // namespace WebCore
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