gecko-dev/docshell/base/nsDocShellEditorData.h

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 * The contents of this file are subject to the Mozilla Public License Version
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 * The Initial Developer of the Original Code is
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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 "nsIEditor.h"


// a non-XPCOM class that is used to store per-docshell editor-related
// data.

class nsDocShellEditorData
{
public:

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

              // set a flag to say this frame should be editable when the next url loads
  nsresult    MakeEditable(PRBool inWaitForUriLoad);
  
  PRBool      GetEditable();
  
              // actually create the editor for this docShell
  nsresult    CreateEditor();
  
              // get the editing session. The editing session always lives on the content
              // root docShell; this call may crawl up the frame tree to find it.
  nsresult    GetEditingSession(nsIEditingSession **outEditingSession);
  
              // get the editor for this docShell. May return null but NS_OK
  nsresult    GetEditor(nsIEditor **outEditor);
  
              // set the editor on this docShell
  nsresult    SetEditor(nsIEditor *inEditor);

protected:              

  nsresult    EnsureEditingSession();

protected:

  nsIDocShell*                mDocShell;        // the doc shell that owns us. Weak ref, since it always outlives us.  
  
  nsCOMPtr<nsIEditingSession> mEditingSession;  // only present for the content root docShell. Session is owned here

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

};


#endif // nsDocShellEditorData_h__