RetroZilla/modules/libpr0n/public/imgIRequest.idl

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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * for the specific language governing rights and limitations under the
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Stuart Parmenter <pavlov@netscape.com>
 *
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#include "nsISupports.idl"
#include "nsIRequest.idl"

interface imgIContainer;
interface imgIDecoderObserver;
interface nsIURI;

/**
 * imgIRequest interface
 *
 * @author Stuart Parmenter <pavlov@netscape.com>
 * @version 0.1
 * @see imagelib2
 */
[scriptable, uuid(ccf705f6-1dd1-11b2-82ef-e18eccf7f7ec)]
interface imgIRequest : nsIRequest
{
  /**
   * the image container...
   * @return the image object associated with the request.
   * @attention NEED DOCS
   */
  readonly attribute imgIContainer image;

  /**
   * Bits set in the return value from imageStatus
   * @name statusflags
   */
  //@{
  const long STATUS_NONE             = 0x0;
  const long STATUS_SIZE_AVAILABLE   = 0x1;
  const long STATUS_LOAD_PARTIAL     = 0x2;
  const long STATUS_LOAD_COMPLETE    = 0x4;
  const long STATUS_ERROR            = 0x8;
  const long STATUS_FRAME_COMPLETE   = 0x10;
  //@}

  /**
   * something
   * @attention NEED DOCS
   */
  readonly attribute unsigned long imageStatus;

  /**
   * The URI the image load was started with.  Note that this might not be the
   * actual URI for the image (e.g. if HTTP redirects happened during the
   * load).
   */
  readonly attribute nsIURI URI;

  readonly attribute imgIDecoderObserver decoderObserver;

  readonly attribute string mimeType;

  /**
   * Clone this request; the returned request will have aObserver as the
   * observer.  aObserver will be notified synchronously (before the clone()
   * call returns) with all the notifications that have already been dispatched
   * for this image load.
   */
  imgIRequest clone(in imgIDecoderObserver aObserver);
};

/**
 * Extension to the imgIRequest interface - only for 1.8 branch, not present in
 * any later release.
 *
 * @author Joe Drew <joe@mozilla.com>
 * @version 0.1
 * @see imgIRequest
 */
[scriptable, uuid(a6f7785d-cb0c-4db7-95ea-c8ed520da98b)]
interface imgIRequest_MOZILLA_1_8_BRANCH : nsISupports
{
  /**
   * The URI the image load currently has, after following redirects, etc.
   * Contrast with @imgIRequest::URI.
   */
  readonly attribute nsIURI currentURI;
};