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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_dom_HTMLStyleElement_h
       8             : #define mozilla_dom_HTMLStyleElement_h
       9             : 
      10             : #include "mozilla/Attributes.h"
      11             : #include "nsIDOMHTMLStyleElement.h"
      12             : #include "nsGenericHTMLElement.h"
      13             : #include "nsStyleLinkElement.h"
      14             : #include "nsStubMutationObserver.h"
      15             : 
      16             : class nsIDocument;
      17             : 
      18             : namespace mozilla {
      19             : namespace dom {
      20             : 
      21             : class HTMLStyleElement final : public nsGenericHTMLElement,
      22             :                                public nsIDOMHTMLStyleElement,
      23             :                                public nsStyleLinkElement,
      24             :                                public nsStubMutationObserver
      25             : {
      26             : public:
      27             :   explicit HTMLStyleElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
      28             : 
      29             :   // nsISupports
      30             :   NS_DECL_ISUPPORTS_INHERITED
      31             : 
      32             :   // CC
      33           0 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLStyleElement,
      34             :                                            nsGenericHTMLElement)
      35             : 
      36             :   NS_IMETHOD GetInnerHTML(nsAString& aInnerHTML) override;
      37             :   using nsGenericHTMLElement::SetInnerHTML;
      38             :   virtual void SetInnerHTML(const nsAString& aInnerHTML,
      39             :                             mozilla::ErrorResult& aError) override;
      40             : 
      41             :   // nsIDOMHTMLStyleElement
      42             :   NS_DECL_NSIDOMHTMLSTYLEELEMENT
      43             : 
      44             :   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
      45             :                               nsIContent* aBindingParent,
      46             :                               bool aCompileEventHandlers) override;
      47             :   virtual void UnbindFromTree(bool aDeep = true,
      48             :                               bool aNullParent = true) override;
      49             :   virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
      50             :                                 const nsAttrValue* aValue,
      51             :                                 const nsAttrValue* aOldValue,
      52             :                                 bool aNotify) override;
      53             : 
      54             :   virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
      55             :                          bool aPreallocateChildren) const override;
      56             : 
      57             :   // nsIMutationObserver
      58             :   NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
      59             :   NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
      60             :   NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
      61             :   NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
      62             : 
      63             :   bool Disabled();
      64             :   void SetDisabled(bool aDisabled);
      65           0 :   void SetMedia(const nsAString& aMedia, ErrorResult& aError)
      66             :   {
      67           0 :     SetHTMLAttr(nsGkAtoms::media, aMedia, aError);
      68           0 :   }
      69           0 :   void SetType(const nsAString& aType, ErrorResult& aError)
      70             :   {
      71           0 :     SetHTMLAttr(nsGkAtoms::type, aType, aError);
      72           0 :   }
      73           0 :   bool Scoped()
      74             :   {
      75           0 :     return GetBoolAttr(nsGkAtoms::scoped);
      76             :   }
      77           0 :   void SetScoped(bool aScoped, ErrorResult& aError)
      78             :   {
      79           0 :     SetHTMLBoolAttr(nsGkAtoms::scoped, aScoped, aError);
      80           0 :   }
      81             : 
      82             :   virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
      83             : 
      84             : protected:
      85             :   virtual ~HTMLStyleElement();
      86             : 
      87             :   already_AddRefed<nsIURI> GetStyleSheetURL(bool* aIsInline) override;
      88             :   void GetStyleSheetInfo(nsAString& aTitle,
      89             :                          nsAString& aType,
      90             :                          nsAString& aMedia,
      91             :                          bool* aIsScoped,
      92             :                          bool* aIsAlternate) override;
      93             :   /**
      94             :    * Common method to call from the various mutation observer methods.
      95             :    * aContent is a content node that's either the one that changed or its
      96             :    * parent; we should only respond to the change if aContent is non-anonymous.
      97             :    */
      98             :   void ContentChanged(nsIContent* aContent);
      99             : };
     100             : 
     101             : } // namespace dom
     102             : } // namespace mozilla
     103             : 
     104             : #endif
     105             :