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#include "nsISupports.idl"
#include "nsIMsgCompose.idl"
#include "nsIMsgComposeParams.idl"

interface nsIURI;
interface nsIDOMWindowInternal;
interface nsIMsgWindow;
interface nsIMsgIdentity;
interface nsIMsgIncomingServer;
interface nsIMsgDBHdr;

[scriptable, uuid(BC1C0379-82EF-45ae-9710-DD4FA93252F7)]
interface nsIMsgComposeService : nsISupports {

  /* we need a msg window because when we forward inline we may need progress */
  void OpenComposeWindow(in string msgComposeWindowURL, in string originalMsgURI, in MSG_ComposeType type, 
                         in MSG_ComposeFormat format,
                         in nsIMsgIdentity identity, 
                         in nsIMsgWindow aMsgWindow);

    /* use this method to invoke a compose window given a mailto url.
     aMsgComposeWindowURL --> can be null in most cases. If you have your own chrome
     url you want to use in brining up a compose window, pass it in here. 
     aURI --> the mailto url you want to use as the foundation for the data inside
     the compose window  */
  void OpenComposeWindowWithURI(in string msgComposeWindowURL, in nsIURI aURI);

  /* ... */
  void OpenComposeWindowWithParams(in string msgComposeWindowURL, in nsIMsgComposeParams params);

  /* ... */
  nsIMsgCompose InitCompose(in nsIDOMWindowInternal aWindow, in nsIMsgComposeParams params);

  
  /**
  * defaultIdentity
  *
  * @return the default identity, in case no identity has been setup yet, will return null
  */
  readonly attribute nsIMsgIdentity defaultIdentity;

  /* This function is use for debugging purpose only and may go away at anytime without warning */
  void TimeStamp(in string label, in boolean resetTime);  
  
  /* This attribute is use for debugging purposes for determining whether to PR_LOG or not */
  readonly attribute boolean logComposePerformance;

  [noscript] boolean determineComposeHTML(in nsIMsgIdentity aIdentity, in MSG_ComposeFormat aFormat);
  [noscript] void cacheWindow(in nsIDOMWindowInternal aWindow, in boolean aComposeHTML, in nsIMsgComposeRecyclingListener listener);
  boolean isCachedWindow(in nsIDOMWindowInternal aWindow);

  /** 
   * given a mailto url, parse the attributes and turn them into a nsIMsgComposeParams object
   * @return nsIMsgComposeParams which corresponds to the passed in mailto url
   */
  nsIMsgComposeParams getParamsForMailto(in nsIURI aURI); 

  void forwardMessage(in AString forwardTo, in nsIMsgDBHdr aMsgHdr, 
                                             in nsIMsgWindow aMsgWindow, in nsIMsgIncomingServer aServer);

  void replyWithTemplate(in nsIMsgDBHdr msgHdr, in string templateUri,
                                             in nsIMsgWindow aMsgWindow, in nsIMsgIncomingServer server);

  /** 
   * Every open compose window registers itself with the compose service 
   * This allows consumers to get the msg compose object associated with a dom window
   *
   * @param aWindow The DOM Window 
   * @param aMsgCompose The compose object associated with the compose window
   *
   */
  void registerComposeWindow(in nsIDOMWindowInternal aWindow, in nsIMsgCompose aMsgCompose);

  /** 
   * When a compose window is being closed (or recyled), it unregisters itself
   * from the compose service. 
   *
   * @param aWindow The DOM Window 
   *
   */
  void unregisterComposeWindow(in nsIDOMWindowInternal aWindow);
  
  /**
   * For aWindow, returns the nsIMsgCompose object associated with the window.
   *
   * @param aWindow The DOMWindow associated with the compose window.
   *
   * @return NS_ERROR_FAILURE if we could not find a nsIMsgCompose for the passed in
   *         DOM Window.
   */
  nsIMsgCompose getMsgComposeForWindow(in nsIDOMWindowInternal aWindow);
};