void ContentLayerDelegate::paintContents(
WebDisplayItemList* webDisplayItemList, const WebRect& clip,
WebContentLayerClient::PaintingControlSetting paintingControl)
{
TRACE_EVENT1("blink,benchmark", "ContentLayerDelegate::paintContents", "clip_rect", toTracedValue(clip));
// TODO(pdr): Remove when slimming paint v2 is further along. This is only
// here so the browser is usable during development and does not crash due
// to committing the new display items twice.
if (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled()) {
m_painter->displayItemList()->paintArtifact().appendToWebDisplayItemList(webDisplayItemList);
return;
}
DisplayItemList* displayItemList = m_painter->displayItemList();
ASSERT(displayItemList);
displayItemList->setDisplayItemConstructionIsDisabled(
paintingControl == WebContentLayerClient::DisplayListConstructionDisabled);
// We also disable caching when Painting or Construction are disabled. In both cases we would like
// to compare assuming the full cost of recording, not the cost of re-using cached content.
if (paintingControl != WebContentLayerClient::PaintDefaultBehavior)
displayItemList->invalidateAll();
GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled;
if (paintingControl == WebContentLayerClient::DisplayListPaintingDisabled
|| paintingControl == WebContentLayerClient::DisplayListConstructionDisabled)
disabledMode = GraphicsContext::FullyDisabled;
GraphicsContext context(displayItemList, disabledMode);
m_painter->paint(context, clip);
displayItemList->commitNewDisplayItems();
displayItemList->paintArtifact().appendToWebDisplayItemList(webDisplayItemList);
}
void PaintController::copyCachedSubsequence(DisplayItemList::iterator& currentIt, DisplayItemList& updatedList)
{
ASSERT(currentIt->type() == DisplayItem::Subsequence);
ASSERT(!currentIt->scope());
DisplayItem::Id endSubsequenceId(currentIt->client(), DisplayItem::EndSubsequence, 0);
do {
// We should always find the EndSubsequence display item.
ASSERT(currentIt != m_currentPaintArtifact.displayItemList().end());
ASSERT(currentIt->hasValidClient());
updatedList.appendByMoving(*currentIt);
++currentIt;
} while (!endSubsequenceId.matches(updatedList.last()));
}
WTF::String PaintController::displayItemListAsDebugString(const DisplayItemList& list) const
{
StringBuilder stringBuilder;
size_t i = 0;
for (auto it = list.begin(); it != list.end(); ++it, ++i) {
const DisplayItem& displayItem = *it;
if (i)
stringBuilder.append(",\n");
stringBuilder.append(String::format("{index: %d, ", (int)i));
displayItem.dumpPropertiesAsDebugString(stringBuilder);
stringBuilder.append(", cacheIsValid: ");
stringBuilder.append(clientCacheIsValid(displayItem.client()) ? "true" : "false");
stringBuilder.append('}');
}
return stringBuilder.toString();
}
void WebPopupMenuImpl::paintContents(WebCanvas* canvas, const WebRect& rect, WebContentLayerClient::PaintingControlSetting paintingControl)
{
if (!m_widget)
return;
OwnPtr<GraphicsContext> context;
GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled;
if (paintingControl == PaintingControlSetting::DisplayListPaintingDisabled
|| paintingControl == PaintingControlSetting::DisplayListConstructionDisabled)
disabledMode = GraphicsContext::FullyDisabled;
DisplayItemList* itemList = displayItemList();
if (itemList) {
context = adoptPtr(new GraphicsContext(itemList, disabledMode));
itemList->setDisplayItemConstructionIsDisabled(paintingControl == PaintingControlSetting::DisplayListConstructionDisabled);
} else {
context = GraphicsContext::deprecatedCreateWithCanvas(canvas, disabledMode);
}
m_widget->paint(context.get(), rect);
if (itemList)
itemList->commitNewDisplayItems();
}
