/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License.
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 * The Original Code is mozilla.org code.
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 *
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/**
 * nsIPluginStreamListener
 *
 * @status DEPRECATED
 *
 * Originally published XPCOM Plugin API is now deprecated
 * Developers are welcome to use NPAPI, please refer to:
 * http://mozilla.org/projects/plugins/
 */

#include "nsISupports.idl"
#include "nspluginroot.idl"
#include "nsIPluginStreamInfo.idl"
#include "nsIInputStream.idl"

%{C++
#include "nsplugindefs.h"
%}

/**
 * The nsIPluginStreamListener interface defines the minimum set of functionality that
 * the browser will support if it allows plugins. Plugins can call QueryInterface
 * to determine if a plugin manager implements more specific APIs or other 
 * browser interfaces for the plugin to use (e.g. nsINetworkManager).
 */
[uuid(df055770-5448-11d2-8164-006008119d7a)]
interface nsIPluginStreamListener : nsISupports
{
    /**
     * Notify the observer that the URL has started to load.  This method is
     * called only once, at the beginning of a URL load.<BR><BR>
   *
   * @param aPluginInfo  - plugin stream info
   * @return             - the return value is currently ignored, in the future
   * it may be used to cancel the URL load..
     */
  void onStartBinding(in nsIPluginStreamInfo aPluginInfo);

    /**
     * Notify the client that data is available in the input stream.  This
     * method is called whenver data is written into the input stream by the
     * networking library...<BR><BR>
     * 
   * @param aPluginInfo  - plugin stream info
   * @param aInputStream - the input stream containing the data. This stream can
     * be either a blocking or non-blocking stream.
   * @param aLength      - the amount of data that was just pushed into the stream.
   * @return             - the return value is currently ignored.
     */
  void onDataAvailable(in nsIPluginStreamInfo aPluginInfo,
                       in nsIInputStream aInputStream,
                       in unsigned long aLength);

  /**
   * Notify the client that data is available in the file.
   * 
   * @param aPluginInfo - plugin stream info
   * @param aFileName   - the name of the file containing the data
   * @return            - the return value is currently ignored.
   */
  void onFileAvailable(in nsIPluginStreamInfo aPluginInfo, in string aFileName);
 
	/**
     * Notify the observer that the URL has finished loading.  This method is 
     * called once when the networking library has finished processing the 
   * URL transaction initiatied via the nsINetService::Open(...) call.<BR><BR>
     * 
     * This method is called regardless of whether the URL loaded successfully.<BR><BR>
     * 
   * @param aPluginInfo - plugin stream info
   * @param aStatus     - reason why the stream has been terminated
   * @return            - the return value is currently ignored.
     */
  void onStopBinding(in nsIPluginStreamInfo aPluginInfo, in nsresult aStatus);

  /**
   * Gets the type of the stream
   *
   * @param aStreamType - the type of the stream
   */
  readonly attribute nsPluginStreamType streamType;
};
