gecko/docshell/base/nsDocShellEditorData.h

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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 * The Original Code is the Mozilla browser.
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 * The Initial Developer of the Original Code is
 * Netscape Communications, Inc.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Simon Fraser <sfraser@netscape.com>
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#ifndef nsDocShellEditorData_h__
#define nsDocShellEditorData_h__

#ifndef nsCOMPtr_h___
#include "nsCOMPtr.h"
#endif

#ifndef __gen_nsIDocShell_h__
#include "nsIDocShell.h"
#endif

#ifndef __gen_nsIEditingSession_h__
#include "nsIEditingSession.h"
#endif


#include "nsIHTMLDocument.h"
#include "nsIEditor.h"

class nsIDOMWindow;

class nsDocShellEditorData
{
public:

  nsDocShellEditorData(nsIDocShell* inOwningDocShell);
  ~nsDocShellEditorData();

  nsresult MakeEditable(bool inWaitForUriLoad);
  bool GetEditable();
  nsresult CreateEditor();
  nsresult GetEditingSession(nsIEditingSession **outEditingSession);
  nsresult GetEditor(nsIEditor **outEditor);
  nsresult SetEditor(nsIEditor *inEditor);
  void TearDownEditor();
  nsresult DetachFromWindow();
  nsresult ReattachToWindow(nsIDocShell *aDocShell);
  bool WaitingForLoad() const { return mMakeEditable; }

protected:

  nsresult EnsureEditingSession();

  // The doc shell that owns us. Weak ref, since it always outlives us.  
  nsIDocShell* mDocShell;

  // Only present for the content root docShell. Session is owned here.
  nsCOMPtr<nsIEditingSession> mEditingSession;

  // Indicates whether to make an editor after a url load.
  bool mMakeEditable;
  
  // If this frame is editable, store editor here. Editor is owned here.
  nsCOMPtr<nsIEditor> mEditor;

  // Denotes if the editor is detached from its window. The editor is detached
  // while it's stored in the session history bfcache.
  bool mIsDetached;

  // Backup for mMakeEditable while the editor is detached.
  bool mDetachedMakeEditable;

  // Backup for the corresponding nsIHTMLDocument's  editing state while
  // the editor is detached.
  nsIHTMLDocument::EditingState mDetachedEditingState;

};


#endif // nsDocShellEditorData_h__