void LinkHighlight::updateGeometry()
{
// To avoid unnecessary updates (e.g. other entities have requested animations from our WebViewImpl),
// only proceed if we actually requested an update.
if (!m_geometryNeedsUpdate)
return;
m_geometryNeedsUpdate = false;
bool hasRenderer = m_node && m_node->layoutObject();
const LayoutBoxModelObject* paintInvalidationContainer = hasRenderer ? m_node->layoutObject()->containerForPaintInvalidation() : 0;
if (paintInvalidationContainer)
attachLinkHighlightToCompositingLayer(paintInvalidationContainer);
if (paintInvalidationContainer && computeHighlightLayerPathAndPosition(paintInvalidationContainer)) {
// We only need to invalidate the layer if the highlight size has changed, otherwise
// we can just re-position the layer without needing to repaint.
m_contentLayer->layer()->invalidate();
if (m_currentGraphicsLayer && m_currentGraphicsLayer->isTrackingPaintInvalidations())
m_currentGraphicsLayer->trackPaintInvalidationRect(FloatRect(layer()->position().x, layer()->position().y, layer()->bounds().width, layer()->bounds().height));
} else if (!hasRenderer) {
clearGraphicsLayerLinkHighlightPointer();
releaseResources();
}
}
void LinkHighlight::notifyAnimationFinished(double, blink::WebAnimation::TargetProperty)
{
// Since WebViewImpl may hang on to us for a while, make sure we
// release resources as soon as possible.
clearGraphicsLayerLinkHighlightPointer();
releaseResources();
}
LinkHighlightImpl::~LinkHighlightImpl()
{
if (m_compositorPlayer->isElementAttached())
m_compositorPlayer->detachElement();
if (m_owningWebViewImpl->linkHighlightsTimeline())
m_owningWebViewImpl->linkHighlightsTimeline()->playerDestroyed(*this);
m_compositorPlayer->setAnimationDelegate(nullptr);
m_compositorPlayer.reset();
clearGraphicsLayerLinkHighlightPointer();
releaseResources();
}
RenderLayer* LinkHighlight::computeEnclosingCompositingLayer()
{
if (!m_node || !m_node->renderer())
return 0;
// Find the nearest enclosing composited layer and attach to it. We may need to cross frame boundaries
// to find a suitable layer.
RenderLayerModelObject* renderer = toRenderLayerModelObject(m_node->renderer());
RenderLayerModelObject* repaintContainer;
do {
repaintContainer = renderer->containerForRepaint();
if (!repaintContainer) {
renderer = renderer->frame()->ownerRenderer();
if (!renderer)
return 0;
}
} while (!repaintContainer);
RenderLayer* renderLayer = repaintContainer->layer();
if (!renderLayer || !renderLayer->isComposited())
return 0;
GraphicsLayer* newGraphicsLayer = renderLayer->backing()->graphicsLayer();
m_clipLayer->setSublayerTransform(SkMatrix44());
if (!newGraphicsLayer->drawsContent()) {
if (renderLayer->usesCompositedScrolling()) {
ASSERT(renderLayer->backing() && renderLayer->backing()->scrollingContentsLayer());
newGraphicsLayer = renderLayer->backing()->scrollingContentsLayer();
} else
ASSERT_NOT_REACHED();
}
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->setLinkHighlight(this);
}
return renderLayer;
}
void LinkHighlight::attachLinkHighlightToCompositingLayer(const LayoutBoxModelObject* paintInvalidationContainer)
{
GraphicsLayer* newGraphicsLayer = paintInvalidationContainer->layer()->graphicsLayerBacking();
// FIXME: There should always be a GraphicsLayer. See crbug.com/431961.
if (newGraphicsLayer && !newGraphicsLayer->drawsContent())
newGraphicsLayer = paintInvalidationContainer->layer()->graphicsLayerBackingForScrolling();
if (!newGraphicsLayer)
return;
m_clipLayer->setTransform(SkMatrix44(SkMatrix44::kIdentity_Constructor));
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->addLinkHighlight(this);
}
}
void LinkHighlight::attachLinkHighlightToCompositingLayer(const RenderLayerModelObject* paintInvalidationContainer)
{
// FIXME: there should always be a GraphicsLayer. See https://code.google.com/p/chromium/issues/detail?id=359877.
GraphicsLayer* newGraphicsLayer = paintInvalidationContainer->layer()->graphicsLayerBacking();
if (newGraphicsLayer && !newGraphicsLayer->drawsContent())
newGraphicsLayer = paintInvalidationContainer->layer()->graphicsLayerBackingForScrolling();
if (!newGraphicsLayer)
return;
m_clipLayer->setTransform(SkMatrix44(SkMatrix44::kIdentity_Constructor));
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->addLinkHighlight(this);
}
}
RenderLayer* LinkHighlight::computeEnclosingCompositingLayer()
{
if (!m_node || !m_node->renderer())
return 0;
// Find the nearest enclosing composited layer and attach to it. We may need to cross frame boundaries
// to find a suitable layer.
RenderObject* renderer = m_node->renderer();
RenderLayerModelObject* repaintContainer;
do {
repaintContainer = renderer->containerForRepaint();
if (!repaintContainer) {
renderer = renderer->frame()->ownerRenderer();
if (!renderer)
return 0;
}
} while (!repaintContainer);
RenderLayer* renderLayer = repaintContainer->layer();
if (!renderLayer || renderLayer->compositingState() == NotComposited)
return 0;
GraphicsLayer* newGraphicsLayer = renderLayer->compositedLayerMapping()->mainGraphicsLayer();
m_clipLayer->setTransform(SkMatrix44());
if (!newGraphicsLayer->drawsContent()) {
if (renderLayer->scrollableArea() && renderLayer->scrollableArea()->usesCompositedScrolling()) {
ASSERT(renderLayer->hasCompositedLayerMapping() && renderLayer->compositedLayerMapping()->scrollingContentsLayer());
newGraphicsLayer = renderLayer->compositedLayerMapping()->scrollingContentsLayer();
}
}
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->addLinkHighlight(this);
}
return renderLayer;
}
RenderLayer* LinkHighlight::computeEnclosingCompositingLayer()
{
if (!m_node || !m_node->renderer())
return 0;
RenderLayer* renderLayer = m_node->renderer()->enclosingLayer();
// Find the nearest enclosing composited layer and attach to it. We may need to cross frame boundaries
// to find a suitable layer.
while (renderLayer && !renderLayer->isComposited()) {
if (!renderLayer->parent()) {
// See if we've reached the root in an enclosed frame.
if (renderLayer->renderer()->frame()->ownerRenderer())
renderLayer = renderLayer->renderer()->frame()->ownerRenderer()->enclosingLayer();
else
renderLayer = 0;
} else
renderLayer = renderLayer->parent();
}
if (!renderLayer || !renderLayer->isComposited())
return 0;
GraphicsLayerChromium* newGraphicsLayer = static_cast<GraphicsLayerChromium*>(renderLayer->backing()->graphicsLayer());
m_clipLayer->setSublayerTransform(SkMatrix44());
if (!newGraphicsLayer->drawsContent()) {
m_clipLayer->setSublayerTransform(newGraphicsLayer->platformLayer()->transform());
newGraphicsLayer = static_cast<GraphicsLayerChromium*>(m_owningWebViewImpl->nonCompositedContentHost()->topLevelRootLayer());
}
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->setLinkHighlight(this);
}
return renderLayer;
}
RenderLayer* LinkHighlight::computeEnclosingCompositingLayer()
{
if (!m_node || !m_node->renderer())
return 0;
// Find the nearest enclosing composited layer and attach to it. We may need to cross frame boundaries
// to find a suitable layer.
RenderObject* renderer = m_node->renderer();
RenderLayer* renderLayer;
do {
renderLayer = renderer->enclosingLayer()->enclosingCompositingLayerForRepaint();
if (!renderLayer) {
renderer = renderer->frame()->ownerRenderer();
if (!renderer)
return 0;
}
} while (!renderLayer);
CompositedLayerMappingPtr compositedLayerMapping = renderLayer->compositingState() == PaintsIntoGroupedBacking ? renderLayer->groupedMapping() : renderLayer->compositedLayerMapping();
GraphicsLayer* newGraphicsLayer = renderLayer->compositingState() == PaintsIntoGroupedBacking ? compositedLayerMapping->squashingLayer() : compositedLayerMapping->mainGraphicsLayer();
m_clipLayer->setTransform(SkMatrix44(SkMatrix44::kIdentity_Constructor));
if (!newGraphicsLayer->drawsContent()) {
if (renderLayer->scrollableArea() && renderLayer->scrollableArea()->usesCompositedScrolling()) {
ASSERT(renderLayer->hasCompositedLayerMapping() && renderLayer->compositedLayerMapping()->scrollingContentsLayer());
newGraphicsLayer = compositedLayerMapping->scrollingContentsLayer();
}
}
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->addLinkHighlight(this);
}
return renderLayer;
}
RenderLayer* LinkHighlight::computeEnclosingCompositingLayer()
{
if (!m_node || !m_node->renderer())
return 0;
// Find the nearest enclosing composited layer and attach to it. We may need to cross frame boundaries
// to find a suitable layer.
RenderLayerModelObject* renderer = toRenderLayerModelObject(m_node->renderer());
RenderLayerModelObject* repaintContainer;
do {
repaintContainer = renderer->containerForRepaint();
if (!repaintContainer) {
renderer = renderer->frame()->ownerRenderer();
if (!renderer)
return 0;
}
} while (!repaintContainer);
RenderLayer* renderLayer = repaintContainer->layer();
if (!renderLayer || !renderLayer->isComposited())
return 0;
GraphicsLayerChromium* newGraphicsLayer = static_cast<GraphicsLayerChromium*>(renderLayer->backing()->graphicsLayer());
m_clipLayer->setSublayerTransform(SkMatrix44());
m_usingNonCompositedContentHost = !newGraphicsLayer->drawsContent();
if (m_usingNonCompositedContentHost ) {
m_clipLayer->setSublayerTransform(newGraphicsLayer->platformLayer()->transform());
newGraphicsLayer = static_cast<GraphicsLayerChromium*>(m_owningWebViewImpl->nonCompositedContentHost()->topLevelRootLayer());
}
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->setLinkHighlight(this);
}
return renderLayer;
}
void LinkHighlight::updateGeometry()
{
// To avoid unnecessary updates (e.g. other entities have requested animations from our WebViewImpl),
// only proceed if we actually requested an update.
if (!m_geometryNeedsUpdate)
return;
m_geometryNeedsUpdate = false;
RenderLayer* compositingLayer = computeEnclosingCompositingLayer();
if (compositingLayer && computeHighlightLayerPathAndPosition(compositingLayer)) {
// We only need to invalidate the layer if the highlight size has changed, otherwise
// we can just re-position the layer without needing to repaint.
m_contentLayer->layer()->invalidate();
if (m_currentGraphicsLayer)
m_currentGraphicsLayer->addRepaintRect(FloatRect(layer()->position().x, layer()->position().y, layer()->bounds().width, layer()->bounds().height));
} else if (!m_node || !m_node->renderer()) {
clearGraphicsLayerLinkHighlightPointer();
releaseResources();
}
}
void LinkHighlightImpl::attachLinkHighlightToCompositingLayer(const LayoutBoxModelObject& paintInvalidationContainer)
{
GraphicsLayer* newGraphicsLayer = paintInvalidationContainer.layer()->graphicsLayerBacking();
m_isScrollingGraphicsLayer = false;
// FIXME: There should always be a GraphicsLayer. See crbug.com/431961.
if (paintInvalidationContainer.layer()->needsCompositedScrolling() && m_node->layoutObject() != &paintInvalidationContainer) {
newGraphicsLayer = paintInvalidationContainer.layer()->graphicsLayerBackingForScrolling();
m_isScrollingGraphicsLayer = true;
}
if (!newGraphicsLayer)
return;
m_clipLayer->setTransform(SkMatrix44(SkMatrix44::kIdentity_Constructor));
if (m_currentGraphicsLayer != newGraphicsLayer) {
if (m_currentGraphicsLayer)
clearGraphicsLayerLinkHighlightPointer();
m_currentGraphicsLayer = newGraphicsLayer;
m_currentGraphicsLayer->addLinkHighlight(this);
}
}
LinkHighlight::~LinkHighlight()
{
clearGraphicsLayerLinkHighlightPointer();
releaseResources();
}
