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      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 
     12 label 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]
     26 interface 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