1/* Copyright 2013 The Chromium Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 */
5
6/**
7 * This file defines the <code>PPB_NetworkProxy</code> interface.
8 */
9
10[generate_thunk]
11
12label Chrome {
13  M29 = 1.0
14};
15
16/**
17 * This interface provides a way to determine the appropriate proxy settings
18 * for a given URL.
19 *
20 * Permissions: Apps permission <code>socket</code> with subrule
21 * <code>resolve-proxy</code> is required for using this API.
22 * For more details about network communication permissions, please see:
23 * http://developer.chrome.com/apps/app_network.html
24 */
25[singleton]
26interface PPB_NetworkProxy {
27  /**
28   * Retrieves the proxy that will be used for the given URL. The result will
29   * be a string in PAC format. For more details about PAC format, please see
30   * http://en.wikipedia.org/wiki/Proxy_auto-config
31   *
32   * @param[in] instance A <code>PP_Instance</code> identifying one instance
33   * of a module.
34   *
35   * @param[in] url A string <code>PP_Var</code> containing a URL.
36   *
37   * @param[out] proxy_string A <code>PP_Var</code> that GetProxyForURL will
38   * set upon successful completion. If the call fails, <code>proxy_string
39   * </code> will be unchanged. Otherwise, it will be set to a string <code>
40   * PP_Var</code> containing the appropriate PAC string for <code>url</code>.
41   * If set, <code>proxy_string</code> will have a reference count of 1 which
42   * the plugin must manage.
43   *
44   * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon
45   * completion.
46   *
47   * @return An int32_t containing an error code from <code>pp_errors.h</code>.
48   */
49  int32_t GetProxyForURL([in] PP_Instance instance,
50                         [in] PP_Var url,
51                         [out] PP_Var proxy_string,
52                         [in] PP_CompletionCallback callback);
53};
54