dom/xbl/nsXBLPrototypeResources.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsXBLPrototypeResources_h__
   7 #define nsXBLPrototypeResources_h__
   8
   9 #include "nsAutoPtr.h"
  10 #include "nsICSSLoaderObserver.h"
  11
  12 class nsCSSRuleProcessor;
  13 class nsIAtom;
  14 class nsIContent;
  15 class nsXBLPrototypeBinding;
  16 class nsXBLResourceLoader;
  17
  18 namespace mozilla {
  19 class CSSStyleSheet;
  20 } // namespace mozilla
  21
  22 // *********************************************************************/
  23 // The XBLPrototypeResources class
  24
  25 class nsXBLPrototypeResources
  26 {
  27 public:
  28   explicit nsXBLPrototypeResources(nsXBLPrototypeBinding* aBinding);
  29   ~nsXBLPrototypeResources();
  30
  31   void LoadResources(bool* aResult);
  32   void AddResource(nsIAtom* aResourceType, const nsAString& aSrc);
  33   void AddResourceListener(nsIContent* aElement);
  34   nsresult FlushSkinSheets();
  35
  36   nsresult Write(nsIObjectOutputStream* aStream);
  37
  38   void Traverse(nsCycleCollectionTraversalCallback &cb);
  39   void Unlink();
  40
  41   void ClearLoader();
  42
  43   void AppendStyleSheet(mozilla::CSSStyleSheet* aSheet);
  44   void RemoveStyleSheet(mozilla::CSSStyleSheet* aSheet);
  45   void InsertStyleSheetAt(size_t aIndex, mozilla::CSSStyleSheet* aSheet);
  46   mozilla::CSSStyleSheet* StyleSheetAt(size_t aIndex) const;
  47   size_t SheetCount() const;
  48   bool HasStyleSheets() const;
  49   void AppendStyleSheetsTo(nsTArray<mozilla::CSSStyleSheet*>& aResult) const;
  50
  51   /**
  52    * Recreates mRuleProcessor to represent the current list of style sheets
  53    * stored in mStyleSheetList.  (Named GatherRuleProcessor to parallel
  54    * nsStyleSet::GatherRuleProcessors.)
  55    */
  56   void GatherRuleProcessor();
  57
  58   nsCSSRuleProcessor* GetRuleProcessor() const { return mRuleProcessor; }
  59
  60 private:
  61   // A loader object. Exists only long enough to load resources, and then it dies.
  62   nsRefPtr<nsXBLResourceLoader> mLoader;
  63
  64   // A list of loaded stylesheets for this binding.
  65   nsTArray<nsRefPtr<mozilla::CSSStyleSheet>> mStyleSheetList;
  66
  67   // The list of stylesheets converted to a rule processor.
  68   nsRefPtr<nsCSSRuleProcessor> mRuleProcessor;
  69 };
  70
  71 #endif