/* -*- 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 mozilla_dom_ScriptElement_h

#define mozilla_dom_ScriptElement_h

#include "mozilla/Attributes.h"

#include "nsIScriptLoaderObserver.h"

#include "nsIScriptElement.h"

#include "nsStubMutationObserver.h"

namespace mozilla {

namespace dom {

/**

 * Baseclass useful for script elements (such as <xhtml:script> and

 * <svg:script>). Currently the class assumes that only the 'src'

 * attribute and the children of the class affect what script to execute.

 */

class ScriptElement : public nsIScriptElement,

                      public nsStubMutationObserver

{

public:

  // nsIScriptLoaderObserver

  NS_DECL_NSISCRIPTLOADEROBSERVER

  // nsIMutationObserver

  NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED

  NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED

  NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED

  NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED

  explicit ScriptElement(FromParser aFromParser)

    : nsIScriptElement(aFromParser)

  {

  }

  virtual nsresult FireErrorEvent() override;

protected:

  // Internal methods

  /**

   * Check if this element contains any script, linked or inline

   */

  virtual bool HasScriptContent() = 0;

  virtual bool MaybeProcessScript() override;

};

} // dom namespace

} // mozilla namespace

#endif // mozilla_dom_ScriptElement_h