Don't run XBL constructors during frame construction, ever. Bug 398006,

r=sicking, sr=roc


git-svn-id: svn://10.0.0.236/trunk@237879 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
bzbarsky%mit.edu
2007-10-19 03:51:16 +00:00
parent f4697bdade
commit c36fbdecd5
2 changed files with 18 additions and 1 deletions

View File

@@ -7009,7 +7009,12 @@ nsElementSH::PostCreate(nsIXPConnectWrappedNative *wrapper, JSContext *cx,
}
if (binding) {
binding->ExecuteAttachedHandler();
// Make sure the presshell is in a state where it's safe to execute script
PRBool safeToRunScript = PR_FALSE;
pctx->PresShell()->IsSafeToFlush(safeToRunScript);
if (safeToRunScript) {
binding->ExecuteAttachedHandler();
}
}
return NS_OK;

View File

@@ -3332,7 +3332,11 @@ PresShell::RecreateFramesFor(nsIContent* aContent)
nsStyleChangeList changeList;
changeList.AppendChange(nsnull, aContent, nsChangeHint_ReconstructFrame);
// Mark ourselves as not safe to flush while we're doing frame construction.
++mChangeNestCount;
nsresult rv = mFrameConstructor->ProcessRestyledFrames(changeList);
--mChangeNestCount;
mViewManager->EndUpdateViewBatch(NS_VMREFRESH_NO_SYNC);
#ifdef ACCESSIBILITY
InvalidateAccessibleSubtree(aContent);
@@ -6031,6 +6035,10 @@ PresShell::DidCauseReflow()
if (--mChangeNestCount == 0) {
// We may have had more reflow commands appended to the queue during
// our reflow. Make sure these get processed at some point.
// XXXbz why is this really needed? ProcessReflowCommands handles posting
// reflow events if there are reflow roots remaining, and FrameNeedsReflow
// posts events as needed as well. I think we should remove this.
PostReflowEvent();
}
@@ -6375,7 +6383,11 @@ PresShell::Observe(nsISupports* aSubject,
nsStyleChangeList changeList;
WalkFramesThroughPlaceholders(mPresContext, rootFrame,
ReframeImageBoxes, &changeList);
// Mark ourselves as not safe to flush while we're doing frame
// construction.
++mChangeNestCount;
mFrameConstructor->ProcessRestyledFrames(changeList);
--mChangeNestCount;
mViewManager->EndUpdateViewBatch(NS_VMREFRESH_NO_SYNC);
#ifdef ACCESSIBILITY