forked from mirrors/gecko-dev
70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ScriptedNotificationObserver.h"
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#include "imgIScriptedNotificationObserver.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsContentUtils.h" // for nsAutoScriptBlocker
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namespace mozilla {
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namespace image {
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NS_IMPL_CYCLE_COLLECTION(ScriptedNotificationObserver, mInner)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScriptedNotificationObserver)
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NS_INTERFACE_MAP_ENTRY(imgINotificationObserver)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(ScriptedNotificationObserver)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(ScriptedNotificationObserver)
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ScriptedNotificationObserver::ScriptedNotificationObserver(
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imgIScriptedNotificationObserver* aInner)
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: mInner(aInner)
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{ }
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NS_IMETHODIMP
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ScriptedNotificationObserver::Notify(imgIRequest* aRequest,
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int32_t aType,
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const nsIntRect* /*aUnused*/)
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{
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// For now, we block (other) scripts from running to preserve the historical
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// behavior from when ScriptedNotificationObserver::Notify was called as part
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// of the observers list in nsImageLoadingContent::Notify. Now each
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// ScriptedNotificationObserver has its own imgRequestProxy and thus gets
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// Notify called directly by imagelib.
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nsAutoScriptBlocker scriptBlocker;
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if (aType == imgINotificationObserver::SIZE_AVAILABLE) {
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return mInner->SizeAvailable(aRequest);
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}
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if (aType == imgINotificationObserver::FRAME_UPDATE) {
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return mInner->FrameUpdate(aRequest);
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}
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if (aType == imgINotificationObserver::FRAME_COMPLETE) {
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return mInner->FrameComplete(aRequest);
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}
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if (aType == imgINotificationObserver::DECODE_COMPLETE) {
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return mInner->DecodeComplete(aRequest);
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}
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if (aType == imgINotificationObserver::LOAD_COMPLETE) {
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return mInner->LoadComplete(aRequest);
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}
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if (aType == imgINotificationObserver::DISCARD) {
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return mInner->Discard(aRequest);
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}
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if (aType == imgINotificationObserver::IS_ANIMATED) {
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return mInner->IsAnimated(aRequest);
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}
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if (aType == imgINotificationObserver::HAS_TRANSPARENCY) {
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return mInner->HasTransparency(aRequest);
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}
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return NS_OK;
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}
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} // namespace image
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} // namespace mozilla
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