blob: 1bea37ad040c70dd78f2b6535492a039311148b2 [file] [log] [blame]
/*
* Copyright (C) 2011 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.
*/
#import "config.h"
#import "LayerTreeHostMac.h"
#import "DrawingAreaImpl.h"
#import "LayerHostingContext.h"
#import "WebPage.h"
#import "WebProcess.h"
#import <QuartzCore/CATransaction.h>
#import <WebCore/Frame.h>
#import <WebCore/FrameView.h>
#import <WebCore/GraphicsLayerCA.h>
#import <WebCore/PlatformCALayer.h>
#import <WebCore/Settings.h>
using namespace WebCore;
@interface CATransaction (Details)
+ (void)synchronize;
@end
namespace WebKit {
PassRefPtr<LayerTreeHostMac> LayerTreeHostMac::create(WebPage* webPage)
{
RefPtr<LayerTreeHostMac> host = adoptRef(new LayerTreeHostMac(webPage));
host->initialize();
return host.release();
}
LayerTreeHostMac::LayerTreeHostMac(WebPage* webPage)
: LayerTreeHost(webPage)
, m_isValid(true)
, m_notifyAfterScheduledLayerFlush(false)
, m_layerFlushScheduler(this)
{
}
LayerTreeHostMac::~LayerTreeHostMac()
{
ASSERT(!m_isValid);
ASSERT(!m_rootLayer);
ASSERT(!m_layerHostingContext);
}
const LayerTreeContext& LayerTreeHostMac::layerTreeContext()
{
return m_layerTreeContext;
}
void LayerTreeHostMac::scheduleLayerFlush()
{
m_layerFlushScheduler.schedule();
}
void LayerTreeHostMac::setLayerFlushSchedulingEnabled(bool layerFlushingEnabled)
{
if (layerFlushingEnabled)
m_layerFlushScheduler.resume();
else
m_layerFlushScheduler.suspend();
}
void LayerTreeHostMac::setShouldNotifyAfterNextScheduledLayerFlush(bool notifyAfterScheduledLayerFlush)
{
m_notifyAfterScheduledLayerFlush = notifyAfterScheduledLayerFlush;
}
void LayerTreeHostMac::setRootCompositingLayer(GraphicsLayer* graphicsLayer)
{
m_nonCompositedContentLayer->removeAllChildren();
// Add the accelerated layer tree hierarchy.
if (graphicsLayer)
m_nonCompositedContentLayer->addChild(graphicsLayer);
}
void LayerTreeHostMac::invalidate()
{
ASSERT(m_isValid);
m_isValid = false;
m_rootLayer = nullptr;
m_layerHostingContext->invalidate();
m_layerHostingContext = nullptr;
m_layerFlushScheduler.invalidate();
}
void LayerTreeHostMac::setNonCompositedContentsNeedDisplay()
{
m_nonCompositedContentLayer->setNeedsDisplay();
PageOverlayLayerMap::iterator end = m_pageOverlayLayers.end();
for (PageOverlayLayerMap::iterator it = m_pageOverlayLayers.begin(); it != end; ++it)
it->value->setNeedsDisplay();
scheduleLayerFlush();
}
void LayerTreeHostMac::setNonCompositedContentsNeedDisplayInRect(const IntRect& rect)
{
m_nonCompositedContentLayer->setNeedsDisplayInRect(rect);
PageOverlayLayerMap::iterator end = m_pageOverlayLayers.end();
for (PageOverlayLayerMap::iterator it = m_pageOverlayLayers.begin(); it != end; ++it)
it->value->setNeedsDisplayInRect(rect);
scheduleLayerFlush();
}
void LayerTreeHostMac::scrollNonCompositedContents(const IntRect& scrollRect)
{
setNonCompositedContentsNeedDisplayInRect(scrollRect);
}
void LayerTreeHostMac::forceRepaint()
{
scheduleLayerFlush();
flushPendingLayerChanges();
[CATransaction flush];
[CATransaction synchronize];
}
void LayerTreeHostMac::sizeDidChange(const IntSize& newSize)
{
m_rootLayer->setSize(newSize);
// If the newSize exposes new areas of the non-composited content a setNeedsDisplay is needed
// for those newly exposed areas.
FloatSize oldSize = m_nonCompositedContentLayer->size();
m_nonCompositedContentLayer->setSize(newSize);
if (newSize.width() > oldSize.width()) {
float height = std::min(static_cast<float>(newSize.height()), oldSize.height());
m_nonCompositedContentLayer->setNeedsDisplayInRect(FloatRect(oldSize.width(), 0, newSize.width() - oldSize.width(), height));
}
if (newSize.height() > oldSize.height())
m_nonCompositedContentLayer->setNeedsDisplayInRect(FloatRect(0, oldSize.height(), newSize.width(), newSize.height() - oldSize.height()));
PageOverlayLayerMap::iterator end = m_pageOverlayLayers.end();
for (PageOverlayLayerMap::iterator it = m_pageOverlayLayers.begin(); it != end; ++it)
it->value->setSize(newSize);
scheduleLayerFlush();
flushPendingLayerChanges();
[CATransaction flush];
[CATransaction synchronize];
}
void LayerTreeHostMac::deviceOrPageScaleFactorChanged()
{
// Other layers learn of the scale factor change via WebPage::setDeviceScaleFactor.
m_nonCompositedContentLayer->deviceOrPageScaleFactorChanged();
}
void LayerTreeHostMac::pageBackgroundTransparencyChanged()
{
m_nonCompositedContentLayer->setContentsOpaque(m_webPage->drawsBackground() && !m_webPage->drawsTransparentBackground());
}
void LayerTreeHostMac::didInstallPageOverlay(PageOverlay* pageOverlay)
{
createPageOverlayLayer(pageOverlay);
scheduleLayerFlush();
}
void LayerTreeHostMac::didUninstallPageOverlay(PageOverlay* pageOverlay)
{
destroyPageOverlayLayer(pageOverlay);
scheduleLayerFlush();
}
void LayerTreeHostMac::setPageOverlayNeedsDisplay(PageOverlay* pageOverlay, const IntRect& rect)
{
GraphicsLayer* layer = m_pageOverlayLayers.get(pageOverlay);
if (!layer)
return;
layer->setNeedsDisplayInRect(rect);
scheduleLayerFlush();
}
void LayerTreeHostMac::pauseRendering()
{
CALayer* root = m_rootLayer->platformLayer();
[root setValue:(id)kCFBooleanTrue forKey:@"NSCAViewRenderPaused"];
[[NSNotificationCenter defaultCenter] postNotificationName:@"NSCAViewRenderDidPauseNotification" object:nil userInfo:[NSDictionary dictionaryWithObject:root forKey:@"layer"]];
}
void LayerTreeHostMac::resumeRendering()
{
CALayer* root = m_rootLayer->platformLayer();
[root setValue:(id)kCFBooleanFalse forKey:@"NSCAViewRenderPaused"];
[[NSNotificationCenter defaultCenter] postNotificationName:@"NSCAViewRenderDidResumeNotification" object:nil userInfo:[NSDictionary dictionaryWithObject:root forKey:@"layer"]];
}
void LayerTreeHostMac::setLayerHostingMode(LayerHostingMode layerHostingMode)
{
if (layerHostingMode == m_layerHostingContext->layerHostingMode())
return;
// The mode has changed.
// First, invalidate the old hosting context.
m_layerHostingContext->invalidate();
m_layerHostingContext = nullptr;
// Create a new context and set it up.
switch (layerHostingMode) {
case LayerHostingModeDefault:
m_layerHostingContext = LayerHostingContext::createForPort(WebProcess::shared().compositingRenderServerPort());
break;
#if HAVE(LAYER_HOSTING_IN_WINDOW_SERVER)
case LayerHostingModeInWindowServer:
m_layerHostingContext = LayerHostingContext::createForWindowServer();
break;
#endif
}
m_layerHostingContext->setRootLayer(m_rootLayer->platformLayer());
m_layerTreeContext.contextID = m_layerHostingContext->contextID();
scheduleLayerFlush();
}
void LayerTreeHostMac::notifyAnimationStarted(const WebCore::GraphicsLayer*, double time)
{
}
void LayerTreeHostMac::notifyFlushRequired(const WebCore::GraphicsLayer*)
{
}
void LayerTreeHostMac::paintContents(const GraphicsLayer* graphicsLayer, GraphicsContext& graphicsContext, GraphicsLayerPaintingPhase, const IntRect& clipRect)
{
if (graphicsLayer == m_nonCompositedContentLayer) {
m_webPage->drawRect(graphicsContext, clipRect);
return;
}
PageOverlayLayerMap::iterator end = m_pageOverlayLayers.end();
for (PageOverlayLayerMap::iterator it = m_pageOverlayLayers.begin(); it != end; ++it) {
if (it->value == graphicsLayer) {
m_webPage->drawPageOverlay(it->key, graphicsContext, clipRect);
break;
}
}
}
float LayerTreeHostMac::deviceScaleFactor() const
{
return m_webPage->corePage()->deviceScaleFactor();
}
bool LayerTreeHostMac::flushLayers()
{
performScheduledLayerFlush();
return true;
}
void LayerTreeHostMac::initialize()
{
// Create a root layer.
m_rootLayer = GraphicsLayer::create(graphicsLayerFactory(), this);
#ifndef NDEBUG
m_rootLayer->setName("LayerTreeHost root layer");
#endif
m_rootLayer->setDrawsContent(false);
m_rootLayer->setSize(m_webPage->size());
static_cast<GraphicsLayerCA*>(m_rootLayer.get())->platformCALayer()->setGeometryFlipped(true);
m_nonCompositedContentLayer = GraphicsLayer::create(graphicsLayerFactory(), this);
static_cast<GraphicsLayerCA*>(m_nonCompositedContentLayer.get())->setAllowTiledLayer(false);
#ifndef NDEBUG
m_nonCompositedContentLayer->setName("LayerTreeHost non-composited content");
#endif
m_nonCompositedContentLayer->setDrawsContent(true);
m_nonCompositedContentLayer->setContentsOpaque(m_webPage->drawsBackground() && !m_webPage->drawsTransparentBackground());
m_nonCompositedContentLayer->setSize(m_webPage->size());
if (m_webPage->corePage()->settings()->acceleratedDrawingEnabled())
m_nonCompositedContentLayer->setAcceleratesDrawing(true);
m_rootLayer->addChild(m_nonCompositedContentLayer.get());
if (m_webPage->hasPageOverlay()) {
PageOverlayList& pageOverlays = m_webPage->pageOverlays();
PageOverlayList::iterator end = pageOverlays.end();
for (PageOverlayList::iterator it = pageOverlays.begin(); it != end; ++it)
createPageOverlayLayer(it->get());
}
switch (m_webPage->layerHostingMode()) {
case LayerHostingModeDefault:
m_layerHostingContext = LayerHostingContext::createForPort(WebProcess::shared().compositingRenderServerPort());
break;
#if HAVE(LAYER_HOSTING_IN_WINDOW_SERVER)
case LayerHostingModeInWindowServer:
m_layerHostingContext = LayerHostingContext::createForWindowServer();
break;
#endif
}
m_layerHostingContext->setRootLayer(m_rootLayer->platformLayer());
m_layerTreeContext.contextID = m_layerHostingContext->contextID();
setLayerFlushSchedulingEnabled(!m_webPage->drawingArea() || !m_webPage->drawingArea()->layerTreeStateIsFrozen());
scheduleLayerFlush();
}
void LayerTreeHostMac::performScheduledLayerFlush()
{
{
RefPtr<LayerTreeHostMac> protect(this);
m_webPage->layoutIfNeeded();
if (!m_isValid)
return;
}
if (!flushPendingLayerChanges())
return;
if (m_notifyAfterScheduledLayerFlush) {
// Let the drawing area know that we've done a flush of the layer changes.
static_cast<DrawingAreaImpl*>(m_webPage->drawingArea())->layerHostDidFlushLayers();
m_notifyAfterScheduledLayerFlush = false;
}
}
bool LayerTreeHostMac::flushPendingLayerChanges()
{
if (m_layerFlushScheduler.isSuspended())
return false;
m_rootLayer->flushCompositingStateForThisLayerOnly();
m_nonCompositedContentLayer->flushCompositingStateForThisLayerOnly();
PageOverlayLayerMap::iterator end = m_pageOverlayLayers.end();
for (PageOverlayLayerMap::iterator it = m_pageOverlayLayers.begin(); it != end; ++it)
it->value->flushCompositingStateForThisLayerOnly();
return m_webPage->corePage()->mainFrame()->view()->flushCompositingStateIncludingSubframes();
}
void LayerTreeHostMac::createPageOverlayLayer(PageOverlay* pageOverlay)
{
OwnPtr<GraphicsLayer> layer = GraphicsLayer::create(graphicsLayerFactory(), this);
#ifndef NDEBUG
layer->setName("LayerTreeHost page overlay content");
#endif
layer->setAcceleratesDrawing(m_webPage->corePage()->settings()->acceleratedDrawingEnabled());
layer->setDrawsContent(true);
layer->setSize(m_webPage->size());
layer->setShowDebugBorder(m_webPage->corePage()->settings()->showDebugBorders());
layer->setShowRepaintCounter(m_webPage->corePage()->settings()->showRepaintCounter());
m_rootLayer->addChild(layer.get());
m_pageOverlayLayers.add(pageOverlay, layer.release());
}
void LayerTreeHostMac::destroyPageOverlayLayer(PageOverlay* pageOverlay)
{
OwnPtr<GraphicsLayer> layer = m_pageOverlayLayers.take(pageOverlay);
ASSERT(layer);
layer->removeFromParent();
}
} // namespace WebKit