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Bug 1359833 - Part 8. ScriptedNotificationObserver should use nsAutoScriptBlocker when issuing notifications. r=tnikkel

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This commit is contained in:
Andrew Osmond 2017-07-19 14:15:12 -04:00
parent 8a1d7d4bf1
commit 3f2ef119ba
1 changed files with 8 additions and 0 deletions
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8
image/ScriptedNotificationObserver.cpp
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@ -7,6 +7,7 @@
#include "ScriptedNotificationObserver.h"
#include "imgIScriptedNotificationObserver.h"
#include "nsCycleCollectionParticipant.h"
#include "nsContentUtils.h" // for nsAutoScriptBlocker
namespace mozilla {
namespace image {
@ -31,6 +32,13 @@ ScriptedNotificationObserver::Notify(imgIRequest* aRequest,
int32_t aType,
const nsIntRect* /*aUnused*/)
{
// For now, we block (other) scripts from running to preserve the historical
// behavior from when ScriptedNotificationObserver::Notify was called as part
// of the observers list in nsImageLoadingContent::Notify. Now each
// ScriptedNotificationObserver has its own imgRequestProxy and thus gets
// Notify called directly by imagelib.
nsAutoScriptBlocker scriptBlocker;
if (aType == imgINotificationObserver::SIZE_AVAILABLE) {
return mInner->SizeAvailable(aRequest);
}