PaintLayerCompositor::PaintLayerCompositor(LayoutView& layoutView)
: m_layoutView(layoutView)
, m_compositingReasonFinder(layoutView)
, m_pendingUpdateType(CompositingUpdateNone)
, m_hasAcceleratedCompositing(true)
, m_compositing(false)
, m_rootShouldAlwaysCompositeDirty(true)
, m_needsUpdateFixedBackground(false)
, m_isTrackingPaintInvalidations(layoutView.frameView()->isTrackingPaintInvalidations())
, m_inOverlayFullscreenVideo(false)
, m_needsUpdateDescendantDependentFlags(false)
, m_rootLayerAttachment(RootLayerUnattached)
{
updateAcceleratedCompositingSettings();
}
void Page::settingsChanged(SettingsDelegate::ChangeType changeType)
{
switch (changeType) {
case SettingsDelegate::StyleChange:
setNeedsRecalcStyleInAllFrames();
break;
case SettingsDelegate::ViewportDescriptionChange:
if (mainFrame() && mainFrame()->isLocalFrame())
deprecatedLocalMainFrame()->document()->updateViewportDescription();
break;
case SettingsDelegate::MediaTypeChange:
if (m_mainFrame->isLocalFrame()) {
deprecatedLocalMainFrame()->view()->setMediaType(AtomicString(settings().mediaTypeOverride()));
setNeedsRecalcStyleInAllFrames();
}
break;
case SettingsDelegate::DNSPrefetchingChange:
for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (frame->isLocalFrame())
toLocalFrame(frame)->document()->initDNSPrefetch();
}
break;
case SettingsDelegate::MultisamplingChange: {
WillBeHeapHashSet<RawPtrWillBeWeakMember<MultisamplingChangedObserver> >::iterator stop = m_multisamplingChangedObservers.end();
for (WillBeHeapHashSet<RawPtrWillBeWeakMember<MultisamplingChangedObserver> >::iterator it = m_multisamplingChangedObservers.begin(); it != stop; ++it)
(*it)->multisamplingChanged(m_settings->openGLMultisamplingEnabled());
break;
}
case SettingsDelegate::ImageLoadingChange:
for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (frame->isLocalFrame()) {
toLocalFrame(frame)->document()->fetcher()->setImagesEnabled(settings().imagesEnabled());
toLocalFrame(frame)->document()->fetcher()->setAutoLoadImages(settings().loadsImagesAutomatically());
}
}
break;
case SettingsDelegate::TextAutosizingChange:
if (!mainFrame() || !mainFrame()->isLocalFrame())
break;
if (FastTextAutosizer* textAutosizer = deprecatedLocalMainFrame()->document()->fastTextAutosizer()) {
textAutosizer->updatePageInfoInAllFrames();
} else {
for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (!frame->isLocalFrame())
continue;
if (TextAutosizer* textAutosizer = toLocalFrame(frame)->document()->textAutosizer())
textAutosizer->recalculateMultipliers();
}
// TextAutosizing updates RenderStyle during layout phase (via TextAutosizer::processSubtree).
// We should invoke setNeedsLayout here.
setNeedsLayoutInAllFrames();
}
break;
case SettingsDelegate::ScriptEnableChange:
m_inspectorController->scriptsEnabled(settings().scriptEnabled());
break;
case SettingsDelegate::FontFamilyChange:
for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (frame->isLocalFrame())
toLocalFrame(frame)->document()->styleEngine()->updateGenericFontFamilySettings();
}
setNeedsRecalcStyleInAllFrames();
break;
case SettingsDelegate::AcceleratedCompositingChange:
updateAcceleratedCompositingSettings();
break;
}
}
