/* -*- 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 nsDocShellEditorData_h__

#define nsDocShellEditorData_h__

#ifndef nsCOMPtr_h___

#include "nsCOMPtr.h"

#endif

#include "mozilla/HTMLEditor.h"

#include "mozilla/RefPtr.h"

#include "nsIHTMLDocument.h"

class nsIDocShell;

class nsIEditingSession;

class nsDocShellEditorData

{

public:

  explicit nsDocShellEditorData(nsIDocShell* aOwningDocShell);

  ~nsDocShellEditorData();

  nsresult MakeEditable(bool aWaitForUriLoad);

  bool GetEditable();

  nsresult CreateEditor();

  nsresult GetEditingSession(nsIEditingSession** aResult);

  mozilla::HTMLEditor* GetHTMLEditor() const

  {

    return mHTMLEditor;

  }

  nsresult SetHTMLEditor(mozilla::HTMLEditor* aHTMLEditor);

  void TearDownEditor();

  nsresult DetachFromWindow();

  nsresult ReattachToWindow(nsIDocShell* aDocShell);

  bool WaitingForLoad() const { return mMakeEditable; }

protected:

  void 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;

  // If this frame is editable, store HTML editor here. It's owned here.

  RefPtr<mozilla::HTMLEditor> mHTMLEditor;

  // Backup for the corresponding nsIHTMLDocument's  editing state while

  // the editor is detached.

  nsIHTMLDocument::EditingState mDetachedEditingState;

  // Indicates whether to make an editor after a url load.

  bool mMakeEditable;

  // 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;

};

#endif // nsDocShellEditorData_h__