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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_ScriptElement_h
       8             : #define mozilla_dom_ScriptElement_h
       9             : 
      10             : #include "mozilla/Attributes.h"
      11             : #include "nsIScriptLoaderObserver.h"
      12             : #include "nsIScriptElement.h"
      13             : #include "nsStubMutationObserver.h"
      14             : 
      15             : namespace mozilla {
      16             : namespace dom {
      17             : 
      18             : /**
      19             :  * Baseclass useful for script elements (such as <xhtml:script> and
      20             :  * <svg:script>). Currently the class assumes that only the 'src'
      21             :  * attribute and the children of the class affect what script to execute.
      22             :  */
      23             : 
      24           0 : class ScriptElement : public nsIScriptElement,
      25             :                       public nsStubMutationObserver
      26             : {
      27             : public:
      28             :   // nsIScriptLoaderObserver
      29             :   NS_DECL_NSISCRIPTLOADEROBSERVER
      30             : 
      31             :   // nsIMutationObserver
      32             :   NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
      33             :   NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
      34             :   NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
      35             :   NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
      36             : 
      37           5 :   explicit ScriptElement(FromParser aFromParser)
      38           5 :     : nsIScriptElement(aFromParser)
      39             :   {
      40           5 :   }
      41             : 
      42             :   virtual nsresult FireErrorEvent() override;
      43             : 
      44             : protected:
      45             :   // Internal methods
      46             : 
      47             :   /**
      48             :    * Check if this element contains any script, linked or inline
      49             :    */
      50             :   virtual bool HasScriptContent() = 0;
      51             : 
      52             :   virtual bool MaybeProcessScript() override;
      53             : };
      54             : 
      55             : } // dom namespace
      56             : } // mozilla namespace
      57             : 
      58             : #endif // mozilla_dom_ScriptElement_h