Home | History | Annotate | Download | only in api
      1 /* Copyright (c) 2012 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_NetworkMonitor</code> interface.
      8  */
      9 
     10 [generate_thunk]
     11 
     12 label Chrome {
     13   M31 = 1.0
     14 };
     15 
     16 /**
     17  * The <code>PPB_NetworkMonitor</code> allows to get network interfaces
     18  * configuration and monitor network configuration changes.
     19  *
     20  * Permissions: Apps permission <code>socket</code> with subrule
     21  * <code>network-state</code> is required for <code>UpdateNetworkList()</code>.
     22  * For more details about network communication permissions, please see:
     23  * http://developer.chrome.com/apps/app_network.html
     24  */
     25 interface PPB_NetworkMonitor {
     26   /**
     27    * Creates a Network Monitor resource.
     28    *
     29    * @param[in] instance A <code>PP_Instance</code> identifying one instance of
     30    * a module.
     31    *
     32    * @return A <code>PP_Resource</code> corresponding to a network monitor or 0
     33    * on failure.
     34    */
     35   PP_Resource Create([in] PP_Instance instance);
     36 
     37 
     38   /**
     39    * Gets current network configuration. When called for the first time,
     40    * completes as soon as the current network configuration is received from
     41    * the browser. Each consequent call will wait for network list changes,
     42    * returning a new <code>PPB_NetworkList</code> resource every time.
     43    *
     44    * @param[in] network_monitor A <code>PP_Resource</code> corresponding to a
     45    * network monitor.
     46    * @param[out] network_list The <code>PPB_NetworkList<code> resource with the
     47    * current state of network interfaces.
     48    * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon
     49    * completion.
     50    *
     51    * @return An int32_t containing an error code from <code>pp_errors.h</code>.
     52    * <code>PP_ERROR_NOACCESS</code> will be returned if the caller doesn't have
     53    * required permissions.
     54    */
     55   int32_t UpdateNetworkList([in] PP_Resource network_monitor,
     56                             [out] PP_Resource network_list,
     57                             [in] PP_CompletionCallback callback);
     58 
     59   /**
     60    * Determines if the specified <code>resource</code> is a
     61    * <code>NetworkMonitor</code> object.
     62    *
     63    * @param[in] resource A <code>PP_Resource</code> resource.
     64    *
     65    * @return Returns <code>PP_TRUE</code> if <code>resource</code> is a
     66    * <code>PPB_NetworkMonitor</code>, <code>PP_FALSE</code>  otherwise.
     67    */
     68   PP_Bool IsNetworkMonitor([in] PP_Resource resource);
     69 };
     70