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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsIProxyInfo;

/**
 * An interface for accessing the proxy info that a channel was
 * constructed with.
 *
 * @see nsIProxiedProtocolHandler
 */
[scriptable, uuid(6238f134-8c3f-4354-958f-dfd9d54a4446)]
interface nsIProxiedChannel : nsISupports
{
  /**
   * Gets the proxy info the channel was constructed with. null or a
   * proxyInfo with type "direct" mean no proxy.
   *
   * The returned proxy info must not be modified.
   */
  readonly attribute nsIProxyInfo proxyInfo;

  /**
   * The HTTP response code returned from the proxy to the CONNECT method.
   * The response code is only available when we get the response from
   * the proxy server, so this value is known in and after OnStartRequest.
   *
   * If CONNECT method is not used, httpProxyConnectResponseCode is always -1.
   * After OnStartRequest, httpProxyConnectResponseCode is the real HTTP
   * response code or 0 if we can't reach to the proxy.
   */
  readonly attribute int32_t httpProxyConnectResponseCode;
};