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/*
* Copyright (C) 2010 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 "DrawingArea.h"
#include "DrawingAreaMessages.h"
#include "WebPage.h"
#include "WebPageCreationParameters.h"
#include "WebProcess.h"
#include <WebCore/DisplayRefreshMonitor.h>
#include <WebCore/TransformationMatrix.h>
// Subclasses
#if PLATFORM(COCOA)
#include "RemoteLayerTreeDrawingArea.h"
#include "TiledCoreAnimationDrawingArea.h"
#elif USE(COORDINATED_GRAPHICS) || USE(TEXTURE_MAPPER)
#include "DrawingAreaCoordinatedGraphics.h"
#endif
#if USE(GRAPHICS_LAYER_WC)
#include "DrawingAreaWC.h"
#endif
namespace WebKit {
using namespace WebCore;
std::unique_ptr<DrawingArea> DrawingArea::create(WebPage& webPage, const WebPageCreationParameters& parameters)
{
switch (parameters.drawingAreaType) {
#if PLATFORM(COCOA)
#if !PLATFORM(IOS_FAMILY)
case DrawingAreaType::TiledCoreAnimation:
return makeUnique<TiledCoreAnimationDrawingArea>(webPage, parameters);
#endif
case DrawingAreaType::RemoteLayerTree:
return makeUnique<RemoteLayerTreeDrawingArea>(webPage, parameters);
#elif USE(COORDINATED_GRAPHICS) || USE(TEXTURE_MAPPER)
case DrawingAreaType::CoordinatedGraphics:
return makeUnique<DrawingAreaCoordinatedGraphics>(webPage, parameters);
#endif
#if USE(GRAPHICS_LAYER_WC)
case DrawingAreaType::WC:
return makeUnique<DrawingAreaWC>(webPage, parameters);
#endif
}
return nullptr;
}
DrawingArea::DrawingArea(DrawingAreaType type, DrawingAreaIdentifier identifier, WebPage& webPage)
: m_type(type)
, m_identifier(identifier)
, m_webPage(webPage)
{
WebProcess::singleton().addMessageReceiver(Messages::DrawingArea::messageReceiverName(), m_identifier, *this);
}
DrawingArea::~DrawingArea()
{
removeMessageReceiverIfNeeded();
}
void DrawingArea::dispatchAfterEnsuringUpdatedScrollPosition(WTF::Function<void ()>&& function)
{
// Scroll position updates are synchronous by default so we can just call the function right away here.
function();
}
void DrawingArea::tryMarkLayersVolatile(CompletionHandler<void(bool)>&& completionFunction)
{
completionFunction(true);
}
void DrawingArea::removeMessageReceiverIfNeeded()
{
if (m_hasRemovedMessageReceiver)
return;
m_hasRemovedMessageReceiver = true;
WebProcess::singleton().removeMessageReceiver(Messages::DrawingArea::messageReceiverName(), m_identifier);
}
RefPtr<WebCore::DisplayRefreshMonitor> DrawingArea::createDisplayRefreshMonitor(WebCore::PlatformDisplayID)
{
return nullptr;
}
bool DrawingArea::supportsGPUProcessRendering(DrawingAreaType type)
{
switch (type) {
#if PLATFORM(COCOA)
#if !PLATFORM(IOS_FAMILY)
case DrawingAreaType::TiledCoreAnimation:
return false;
#endif
case DrawingAreaType::RemoteLayerTree:
return true;
#elif USE(COORDINATED_GRAPHICS) || USE(TEXTURE_MAPPER)
case DrawingAreaType::CoordinatedGraphics:
return false;
#endif
#if USE(GRAPHICS_LAYER_WC)
case DrawingAreaType::WC:
return true;
#endif
default:
return false;
}
}
} // namespace WebKit
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