static void localToPageQuad(const RenderObject& renderer, const LayoutRect& rect, FloatQuad* quad)
{
LocalFrame* frame = renderer.frame();
FrameView* view = frame->view();
FloatQuad absolute = renderer.localToAbsoluteQuad(FloatQuad(rect));
quad->setP1(view->contentsToRootView(roundedIntPoint(absolute.p1())));
quad->setP2(view->contentsToRootView(roundedIntPoint(absolute.p2())));
quad->setP3(view->contentsToRootView(roundedIntPoint(absolute.p3())));
quad->setP4(view->contentsToRootView(roundedIntPoint(absolute.p4())));
}
bool RenderTheme::isDefault(const RenderObject& o) const
{
// A button should only have the default appearance if the page is active
if (!isActive(o))
return false;
if (!o.frame().settings().applicationChromeMode())
return false;
return o.style().appearance() == DefaultButtonPart;
}
void AutoscrollController::updateAutoscrollRenderer()
{
if (!m_autoscrollRenderer)
return;
RenderObject* renderer = m_autoscrollRenderer;
#if OS(WIN)
HitTestResult hitTest = renderer->frame()->eventHandler().hitTestResultAtPoint(m_panScrollStartPos, HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ConfusingAndOftenMisusedDisallowShadowContent);
if (Node* nodeAtPoint = hitTest.innerNode())
renderer = nodeAtPoint->renderer();
#endif
while (renderer && !(renderer->isBox() && toRenderBox(renderer)->canAutoscroll()))
renderer = renderer->parent();
m_autoscrollRenderer = renderer && renderer->isBox() ? toRenderBox(renderer) : 0;
}
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->setSublayerTransform(SkMatrix44());
if (!newGraphicsLayer->drawsContent()) {
if (renderLayer->scrollableArea()->usesCompositedScrolling()) {
ASSERT(renderLayer->hasCompositedLayerMapping() && renderLayer->compositedLayerMapping()->scrollingContentsLayer());
newGraphicsLayer = renderLayer->compositedLayerMapping()->scrollingContentsLayer();
} else
ASSERT_NOT_REACHED();
}
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.
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;
}