Bug 594774. Detect DOM changes during painting, and abort painting ASAP when that happens. r=dbaron a=blocking

2010-09-17 12:09:08 -07:00
parent 5d2254a0dc
commit 0c54073a33
6 changed files with 81 additions and 0 deletions
--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@@ -8188,6 +8188,12 @@ nsCSSFrameConstructor::BeginUpdate() {
  NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
               "Someone forgot a script blocker");

+  nsRootPresContext* rootPresContext =
+    mPresShell->GetPresContext()->GetRootPresContext();
+  if (rootPresContext) {
+    rootPresContext->IncrementDOMGeneration();
+  }
+
  ++mUpdateCount;
 }