gecko-dev/dom/xbl/nsXBLPrototypeResources.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsXBLPrototypeResources_h__
#define nsXBLPrototypeResources_h__
#include "mozilla/MemoryReporting.h"
#include "mozilla/StyleSheet.h"
#include "nsICSSLoaderObserver.h"
class nsAtom;
class nsIContent;
class nsXBLPrototypeBinding;
class nsXBLResourceLoader;
struct RawServoAuthorStyles;
namespace mozilla {
class CSSStyleSheet;
class ServoStyleSet;
class ServoStyleRuleMap;
} // namespace mozilla
// *********************************************************************/
// The XBLPrototypeResources class
class nsXBLPrototypeResources
{
public:
explicit nsXBLPrototypeResources(nsXBLPrototypeBinding* aBinding);
~nsXBLPrototypeResources();
bool LoadResources(nsIContent* aBoundElement);
void AddResource(nsAtom* aResourceType, const nsAString& aSrc);
void AddResourceListener(nsIContent* aElement);
nsresult FlushSkinSheets();
nsresult Write(nsIObjectOutputStream* aStream);
void Traverse(nsCycleCollectionTraversalCallback &cb);
void Unlink();
void ClearLoader();
void AppendStyleSheet(mozilla::StyleSheet* aSheet);
void RemoveStyleSheet(mozilla::StyleSheet* aSheet);
void InsertStyleSheetAt(size_t aIndex, mozilla::StyleSheet* aSheet);
mozilla::StyleSheet* StyleSheetAt(size_t aIndex) const
{
return mStyleSheetList[aIndex];
}
size_t SheetCount() const
{
return mStyleSheetList.Length();
}
bool HasStyleSheets() const
{
return !mStyleSheetList.IsEmpty();
}
void AppendStyleSheetsTo(nsTArray<mozilla::StyleSheet*>& aResult) const;
const RawServoAuthorStyles* GetServoStyles() const
{
return mServoStyles.get();
}
void SyncServoStyles();
mozilla::ServoStyleRuleMap* GetServoStyleRuleMap();
// Updates the ServoStyleSet object that holds the result of cascading the
// sheets in mStyleSheetList. Equivalent to GatherRuleProcessor(), but for
// the Servo style backend.
void ComputeServoStyles(const mozilla::ServoStyleSet& aMasterStyleSet);
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
// A loader object. Exists only long enough to load resources, and then it dies.
RefPtr<nsXBLResourceLoader> mLoader;
// A list of loaded stylesheets for this binding.
//
// FIXME(emilio): Remove when the old style system is gone, defer to
// mServoStyles.
nsTArray<RefPtr<mozilla::StyleSheet>> mStyleSheetList;
// The result of cascading the XBL style sheets like mRuleProcessor, but
// for the Servo style backend.
mozilla::UniquePtr<RawServoAuthorStyles> mServoStyles;
mozilla::UniquePtr<mozilla::ServoStyleRuleMap> mStyleRuleMap;
};
#endif