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#ifndef nsComposeTxtSrvFilter_h__
#define nsComposeTxtSrvFilter_h__

#include "nsITextServicesFilter.h"
#include "nsIAtom.h"

/**
 * This class implements a filter interface, that enables
 * those using it to skip over certain nodes when traversing content
 *
 * This filter is used to skip over various form control nodes and
 * mail's cite nodes
 */
class nsComposeTxtSrvFilter : public nsITextServicesFilter
{
public:
  nsComposeTxtSrvFilter();
  virtual ~nsComposeTxtSrvFilter() {}

  // nsISupports interface...
  NS_DECL_ISUPPORTS

  // nsITextServicesFilter 
  NS_DECL_NSITEXTSERVICESFILTER

  // Helper - Intializer
  void Init(PRBool aIsForMail) { mIsForMail = aIsForMail; }

protected:
  PRBool            mIsForMail;
  nsCOMPtr<nsIAtom> mBlockQuoteAtom;
  nsCOMPtr<nsIAtom> mPreAtom;          // mail plain text quotes are wrapped in pre tags
  nsCOMPtr<nsIAtom> mSpanAtom;         //or they may be wrapped in span tags (editor.quotesPreformatted). 
  nsCOMPtr<nsIAtom> mMozQuoteAtom;     // _moz_quote_
  nsCOMPtr<nsIAtom> mTableAtom;
  nsCOMPtr<nsIAtom> mClassAtom;
  nsCOMPtr<nsIAtom> mTypeAtom;
  nsCOMPtr<nsIAtom> mScriptAtom;
  nsCOMPtr<nsIAtom> mTextAreaAtom;
  nsCOMPtr<nsIAtom> mSelectAreaAtom;
  nsCOMPtr<nsIAtom> mMapAtom;
  nsCOMPtr<nsIAtom> mCiteAtom;
  nsCOMPtr<nsIAtom> mTrueAtom;
  nsCOMPtr<nsIAtom> mMozSignatureAtom;
};

#define NS_COMPOSERTXTSRVFILTER_CID \
{/* {171E72DB-0F8A-412a-8461-E4C927A3A2AC}*/ \
0x171e72db, 0xf8a, 0x412a, \
{ 0x84, 0x61, 0xe4, 0xc9, 0x27, 0xa3, 0xa2, 0xac} } 

#define NS_COMPOSERTXTSRVFILTERMAIL_CID \
{/* {7FBD2146-5FF4-4674-B069-A7BBCE66E773}*/ \
0x7fbd2146, 0x5ff4, 0x4674, \
{ 0xb0, 0x69, 0xa7, 0xbb, 0xce, 0x66, 0xe7, 0x73} } 

// Generic for the editor
#define COMPOSER_TXTSRVFILTER_CONTRACTID     "@mozilla.org/editor/txtsrvfilter;1"

// This is the same but includes "cite" typed blocked quotes
#define COMPOSER_TXTSRVFILTERMAIL_CONTRACTID "@mozilla.org/editor/txtsrvfiltermail;1"

#endif