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/*
* Copyright (C) 2011 Google 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 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 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 "NonCompositedContentHost.h"
#include "FloatRect.h"
#include "GraphicsLayer.h"
#include "LayerChromium.h"
#include "LayerPainterChromium.h"
#include "cc/CCLayerTreeHost.h"
namespace WebKit {
NonCompositedContentHost::NonCompositedContentHost(PassOwnPtr<WebCore::LayerPainterChromium> contentPaint)
: m_contentPaint(contentPaint)
{
m_graphicsLayer = WebCore::GraphicsLayer::create(this);
#ifndef NDEBUG
m_graphicsLayer->setName("non-composited content");
#endif
m_graphicsLayer->setDrawsContent(true);
m_graphicsLayer->platformLayer()->setIsNonCompositedContent(true);
m_graphicsLayer->platformLayer()->setOpaque(true);
}
NonCompositedContentHost::~NonCompositedContentHost()
{
}
void NonCompositedContentHost::setBackgroundColor(const WebCore::Color& color)
{
if (color.isValid())
m_graphicsLayer->platformLayer()->setBackgroundColor(color);
else
m_graphicsLayer->platformLayer()->setBackgroundColor(WebCore::Color::white);
}
void NonCompositedContentHost::setScrollLayer(WebCore::GraphicsLayer* layer)
{
m_graphicsLayer->setNeedsDisplay();
if (!layer) {
m_graphicsLayer->removeFromParent();
m_graphicsLayer->platformLayer()->setLayerTreeHost(0);
return;
}
if (layer->platformLayer() == scrollLayer())
return;
layer->addChildAtIndex(m_graphicsLayer.get(), 0);
ASSERT(scrollLayer());
}
void NonCompositedContentHost::setViewport(const WebCore::IntSize& viewportSize, const WebCore::IntSize& contentsSize, const WebCore::IntPoint& scrollPosition, float pageScale, int layerAdjustX)
{
if (!scrollLayer())
return;
bool visibleRectChanged = m_viewportSize != viewportSize;
m_viewportSize = viewportSize;
scrollLayer()->setScrollPosition(scrollPosition);
// Due to the possibility of pinch zoom, the noncomposited layer is always
// assumed to be scrollable.
scrollLayer()->setScrollable(true);
m_graphicsLayer->setSize(contentsSize);
m_layerAdjustX = layerAdjustX;
if (m_graphicsLayer->transform().m41() != m_layerAdjustX) {
WebCore::TransformationMatrix transform = m_graphicsLayer->transform();
transform.setM41(m_layerAdjustX);
m_graphicsLayer->setTransform(transform);
// If a tiled layer is shifted left or right, the content that goes into
// each tile will change. Invalidate the entire layer when this happens.
m_graphicsLayer->setNeedsDisplay();
} else if (visibleRectChanged)
m_graphicsLayer->setNeedsDisplay();
if (m_graphicsLayer->pageScaleFactor() != pageScale)
m_graphicsLayer->deviceOrPageScaleFactorChanged();
}
WebCore::LayerChromium* NonCompositedContentHost::scrollLayer()
{
if (!m_graphicsLayer->parent())
return 0;
return m_graphicsLayer->parent()->platformLayer();
}
void NonCompositedContentHost::protectVisibleTileTextures()
{
m_graphicsLayer->platformLayer()->protectVisibleTileTextures();
}
void NonCompositedContentHost::invalidateRect(const WebCore::IntRect& rect)
{
m_graphicsLayer->setNeedsDisplayInRect(WebCore::FloatRect(rect));
}
void NonCompositedContentHost::notifyAnimationStarted(const WebCore::GraphicsLayer*, double /* time */)
{
// Intentionally left empty since we don't support animations on the non-composited content.
}
void NonCompositedContentHost::notifySyncRequired(const WebCore::GraphicsLayer*)
{
WebCore::CCLayerTreeHost* layerTreeHost = m_graphicsLayer->platformLayer()->layerTreeHost();
if (layerTreeHost)
layerTreeHost->setNeedsCommit();
}
void NonCompositedContentHost::paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext& context, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& clipRect)
{
context.translate(-m_layerAdjustX, 0);
WebCore::IntRect adjustedClipRect = clipRect;
adjustedClipRect.move(m_layerAdjustX, 0);
m_contentPaint->paint(context, adjustedClipRect);
}
bool NonCompositedContentHost::showDebugBorders() const
{
return false;
}
bool NonCompositedContentHost::showRepaintCounter() const
{
return false;
}
} // namespace WebKit
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