gecko-dev/dom/xbl/nsXBLResourceLoader.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 11:12:37 +00:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsXBLResourceLoader_h
#define nsXBLResourceLoader_h
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsICSSLoaderObserver.h"
#include "nsCOMArray.h"
#include "nsCycleCollectionParticipant.h"
class nsIContent;
class nsIAtom;
class nsXBLPrototypeResources;
class nsXBLPrototypeBinding;
struct nsXBLResource;
class nsIObjectOutputStream;
// *********************************************************************/
// The XBLResourceLoader class
class nsXBLResourceLoader : public nsICSSLoaderObserver
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(nsXBLResourceLoader)
// nsICSSLoaderObserver
NS_IMETHOD StyleSheetLoaded(mozilla::CSSStyleSheet* aSheet,
bool aWasAlternate,
nsresult aStatus) override;
void LoadResources(bool* aResult);
void AddResource(nsIAtom* aResourceType, const nsAString& aSrc);
void AddResourceListener(nsIContent* aElement);
nsXBLResourceLoader(nsXBLPrototypeBinding* aBinding,
nsXBLPrototypeResources* aResources);
void NotifyBoundElements();
nsresult Write(nsIObjectOutputStream* aStream);
// MEMBER VARIABLES
nsXBLPrototypeBinding* mBinding; // A pointer back to our binding.
nsXBLPrototypeResources* mResources; // A pointer back to our resources
// information. May be null if the
// resources have already been
// destroyed.
nsXBLResource* mResourceList; // The list of resources we need to load.
nsXBLResource* mLastResource;
bool mLoadingResources;
// We need mInLoadResourcesFunc because we do a mixture of sync and
// async loads.
bool mInLoadResourcesFunc;
int16_t mPendingSheets; // The number of stylesheets that have yet to load.
// Bound elements that are waiting on the stylesheets and scripts.
nsCOMArray<nsIContent> mBoundElements;
protected:
virtual ~nsXBLResourceLoader();
};
#endif