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/*
* Copyright (C) 2012 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 "WebRenderLayer.h"
#include "APIArray.h"
#include "APIString.h"
#include "WebPage.h"
#include <WebCore/Frame.h>
#include <WebCore/FrameLoader.h>
#include <WebCore/FrameLoaderClient.h>
#include <WebCore/MainFrame.h>
#include <WebCore/RenderLayer.h>
#include <WebCore/RenderLayerBacking.h>
#include <WebCore/RenderView.h>
#include <WebCore/RenderWidget.h>
#include <WebCore/StyledElement.h>
using namespace WebCore;
namespace WebKit {
RefPtr<WebRenderLayer> WebRenderLayer::create(WebPage* page)
{
Frame* mainFrame = page->mainFrame();
if (!mainFrame)
return nullptr;
if (!mainFrame->loader().client().hasHTMLView())
return nullptr;
RenderView* contentRenderer = mainFrame->contentRenderer();
if (!contentRenderer)
return nullptr;
RenderLayer* rootLayer = contentRenderer->layer();
if (!rootLayer)
return nullptr;
return adoptRef(new WebRenderLayer(rootLayer));
}
Ref<WebRenderLayer> WebRenderLayer::create(RefPtr<WebRenderObject>&& renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType type, WebCore::IntRect absoluteBoundingBox, double backingStoreMemoryEstimate, RefPtr<API::Array>&& negativeZOrderList, RefPtr<API::Array>&& normalFlowList, RefPtr<API::Array>&& positiveZOrderList, RefPtr<WebRenderLayer>&& frameContentsLayer)
{
return adoptRef(*new WebRenderLayer(WTFMove(renderer), isReflection, isClipping, isClipped, type, absoluteBoundingBox, backingStoreMemoryEstimate, WTFMove(negativeZOrderList), WTFMove(normalFlowList), WTFMove(positiveZOrderList), WTFMove(frameContentsLayer)));
}
RefPtr<API::Array> WebRenderLayer::createArrayFromLayerList(Vector<RenderLayer*>* list)
{
if (!list || !list->size())
return nullptr;
Vector<RefPtr<API::Object>> layers;
layers.reserveInitialCapacity(list->size());
for (const auto& layer : *list)
layers.uncheckedAppend(adoptRef(new WebRenderLayer(layer)));
return API::Array::create(WTFMove(layers));
}
WebRenderLayer::WebRenderLayer(RenderLayer* layer)
{
m_renderer = WebRenderObject::create(&layer->renderer());
m_isReflection = layer->isReflection();
if (layer->isComposited()) {
RenderLayerBacking* backing = layer->backing();
m_isClipping = backing->hasClippingLayer();
m_isClipped = backing->hasAncestorClippingLayer();
switch (backing->compositingLayerType()) {
case NormalCompositingLayer:
m_compositingLayerType = Normal;
break;
case TiledCompositingLayer:
m_compositingLayerType = Tiled;
break;
case MediaCompositingLayer:
m_compositingLayerType = Media;
break;
case ContainerCompositingLayer:
m_compositingLayerType = Container;
break;
}
m_backingStoreMemoryEstimate = backing->backingStoreMemoryEstimate();
} else {
m_isClipping = false;
m_isClipped = false;
m_compositingLayerType = None;
m_backingStoreMemoryEstimate = 0;
}
m_absoluteBoundingBox = layer->absoluteBoundingBox();
m_negativeZOrderList = createArrayFromLayerList(layer->negZOrderList());
m_normalFlowList = createArrayFromLayerList(layer->normalFlowList());
m_positiveZOrderList = createArrayFromLayerList(layer->posZOrderList());
if (is<RenderWidget>(layer->renderer())) {
if (Document* contentDocument = downcast<RenderWidget>(layer->renderer()).frameOwnerElement().contentDocument()) {
if (RenderView* view = contentDocument->renderView())
m_frameContentsLayer = adoptRef(new WebRenderLayer(view->layer()));
}
}
}
WebRenderLayer::WebRenderLayer(RefPtr<WebRenderObject>&& renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType type, WebCore::IntRect absoluteBoundingBox, double backingStoreMemoryEstimate, RefPtr<API::Array>&& negativeZOrderList, RefPtr<API::Array>&& normalFlowList, RefPtr<API::Array>&& positiveZOrderList, RefPtr<WebRenderLayer>&& frameContentsLayer)
: m_renderer(WTFMove(renderer))
, m_isReflection(isReflection)
, m_isClipping(isClipping)
, m_isClipped(isClipped)
, m_compositingLayerType(type)
, m_absoluteBoundingBox(absoluteBoundingBox)
, m_backingStoreMemoryEstimate(backingStoreMemoryEstimate)
, m_negativeZOrderList(WTFMove(negativeZOrderList))
, m_normalFlowList(WTFMove(normalFlowList))
, m_positiveZOrderList(WTFMove(positiveZOrderList))
, m_frameContentsLayer(WTFMove(frameContentsLayer))
{
}
} // namespace WebKit