xpcom/components/nsIFactory.idl
author jorendorff@mozilla.com
Fri, 20 Jul 2007 14:49:16 -0400
changeset 3626 1dd3d4d3fe83076f2d1bfeb72c1c24154dc908ac
parent 1 9b2a99adc05e53cd4010de512f50118594756650
child 47159 84c1694a4ca9af3a0fd5605a7ec0e9b9e7bd0129
permissions -rw-r--r--
Bug 388944 - client.py can't produce tamarin repo URL from a ssh:// hg repo URL

/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "nsISupports.idl"

/**
 * A class factory allows the creation of nsISupports derived
 * components without specifying a concrete base class.  
 *
 * @status FROZEN
 */

[scriptable, object, uuid(00000001-0000-0000-c000-000000000046)]
interface nsIFactory :  nsISupports {
   /**
    * Creates an instance of a component.
    *
    * @param aOuter Pointer to a component that wishes to be aggregated
    *               in the resulting instance. This will be nsnull if no
    *               aggregation is requested.
    * @param iid    The IID of the interface being requested in
    *               the component which is being currently created.
    * @param result [out] Pointer to the newly created instance, if successful.
    * @return NS_OK - Component successfully created and the interface 
    *                 being requested was successfully returned in result.
    *         NS_NOINTERFACE - Interface not accessible.
    *         NS_ERROR_NO_AGGREGATION - if an 'outer' object is supplied, but the
    *                                   component is not aggregatable.
    *         NS_ERROR* - Method failure.
    */
    void createInstance(in nsISupports aOuter, in nsIIDRef iid,
                      [retval, iid_is(iid)] out nsQIResult result);

   /**
    * LockFactory provides the client a way to keep the component
    * in memory until it is finished with it. The client can call
    * LockFactory(PR_TRUE) to lock the factory and LockFactory(PR_FALSE)
    * to release the factory.	 
    *
    * @param lock - Must be PR_TRUE or PR_FALSE
    * @return NS_OK - If the lock operation was successful.
    *         NS_ERROR* - Method failure.
    */
    void lockFactory(in PRBool lock);
};