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Bug 889614 - Fix regression in plugin reparenting. r=josh

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This commit is contained in:
John Schoenick 2013-07-22 15:08:09 -07:00
parent ece7cc6e8c
commit 42e406f74f
1 changed files with 18 additions and 4 deletions
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22
content/base/src/nsObjectLoadingContent.cpp
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@ -133,7 +133,7 @@ nsAsyncInstantiateEvent::Run()
static_cast<nsObjectLoadingContent *>(mContent.get());
// If objLC is no longer tracking this event, we've been canceled or
// superceded
// superseded
if (objLC->mPendingInstantiateEvent != this) {
return NS_OK;
}
@ -166,11 +166,11 @@ CheckPluginStopEvent::Run()
static_cast<nsObjectLoadingContent *>(mContent.get());
// If objLC is no longer tracking this event, we've been canceled or
// superceded
// superseded. We clear this before we finish - either by calling
// UnloadObject/StopPluginInstance, or directly if we took no action.
if (objLC->mPendingCheckPluginStopEvent != this) {
return NS_OK;
}
objLC->mPendingCheckPluginStopEvent = nullptr;
nsCOMPtr<nsIContent> content =
do_QueryInterface(static_cast<nsIImageLoadingContent *>(objLC));
@ -182,12 +182,26 @@ CheckPluginStopEvent::Run()
}
if (!content->GetPrimaryFrame()) {
LOG(("OBJLC [%p]: CheckPluginStopEvent - No frame, flushing layout", this));
nsIDocument* currentDoc = content->GetCurrentDoc();
if (currentDoc) {
currentDoc->FlushPendingNotifications(Flush_Layout);
if (objLC->mPendingCheckPluginStopEvent != this ||
content->GetPrimaryFrame()) {
LOG(("OBJLC [%p]: Event superseded or frame gained during layout flush",
this));
objLC->mPendingCheckPluginStopEvent = nullptr;
return NS_OK;
}
}
// Still no frame, suspend plugin. HasNewFrame will restart us when we
// become rendered again
LOG(("OBJLC [%p]: Stopping plugin that lost frame", this));
// Okay to leave loaded as a plugin, but stop the unrendered instance
objLC->StopPluginInstance();
}
objLC->mPendingCheckPluginStopEvent = nullptr;
return NS_OK;
}
@ -890,7 +904,6 @@ nsObjectLoadingContent::OnStartRequest(nsIRequest *aRequest,
return NS_BINDING_ABORTED;
}
NS_ASSERTION(!mChannelLoaded, "mChannelLoaded set already?");
// If we already switched to type plugin, this channel can just be passed to
// the final listener.
if (mType == eType_Plugin) {
@ -912,6 +925,7 @@ nsObjectLoadingContent::OnStartRequest(nsIRequest *aRequest,
NS_NOTREACHED("Should be type loading at this point");
return NS_BINDING_ABORTED;
}
NS_ASSERTION(!mChannelLoaded, "mChannelLoaded set already?");
NS_ASSERTION(!mFinalListener, "mFinalListener exists already?");
mChannelLoaded = true;