layout/style/nsDOMCSSAttrDeclaration.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 /* DOM object for element.style */
   7
   8 #ifndef nsDOMCSSAttributeDeclaration_h
   9 #define nsDOMCSSAttributeDeclaration_h
  10
  11 #include "mozilla/Attributes.h"
  12 #include "nsDOMCSSDeclaration.h"
  13
  14 #include "nsAutoPtr.h"
  15
  16 namespace mozilla {
  17 namespace dom {
  18 class Element;
  19 }
  20 }
  21
  22 class nsDOMCSSAttributeDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
  23 {
  24 public:
  25   typedef mozilla::dom::Element Element;
  26   nsDOMCSSAttributeDeclaration(Element* aContent, bool aIsSMILOverride);
  27   ~nsDOMCSSAttributeDeclaration();
  28
  29   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  30   NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsDOMCSSAttributeDeclaration,
  31                                                                    nsICSSDeclaration)
  32
  33   // If GetCSSDeclaration returns non-null, then the decl it returns
  34   // is owned by our current style rule.
  35   virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate);
  36   virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
  37   NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
  38
  39   virtual nsINode* GetParentObject() MOZ_OVERRIDE;
  40
  41 protected:
  42   virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
  43   virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
  44
  45   nsRefPtr<Element> mElement;
  46
  47   /* If true, this indicates that this nsDOMCSSAttributeDeclaration
  48    * should interact with mContent's SMIL override style rule (rather
  49    * than the inline style rule).
  50    */
  51   const bool mIsSMILOverride;
  52 };
  53
  54 #endif /* nsDOMCSSAttributeDeclaration_h */