Make PPB_NetworkList_Private immutable.

ppapi/c/private/ppb_network_monitor_private.h

+/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* From private/ppb_network_monitor_private.idl,
+ *   modified Wed Feb 22 18:12:43 2012.
+ */
+
+#ifndef PPAPI_C_PRIVATE_PPB_NETWORK_MONITOR_PRIVATE_H_
+#define PPAPI_C_PRIVATE_PPB_NETWORK_MONITOR_PRIVATE_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_stdint.h"
+
+#define PPB_NETWORKMONITOR_PRIVATE_INTERFACE_0_2 \
+    "PPB_NetworkMonitor_Private;0.2"
+#define PPB_NETWORKMONITOR_PRIVATE_INTERFACE \
+    PPB_NETWORKMONITOR_PRIVATE_INTERFACE_0_2
+
+/**
+ * @file
+ * This file defines the <code>PPB_NetworkMonitor_Private</code> interface.
+ */
+
+
+/**
+ * @addtogroup Typedefs
+ * @{
+ */
+/**
+ * <code>PPB_NetworkMonitor_Callback</code> is a callback function
+ * type that is used to receive notifications about network
+ * configuration changes. The <code>network_list</code> passed to this
+ * callback is a <code>PPB_NetworkList_Private</code> resource that
+ * contains current configuration of network interfaces.
+ */
+typedef void (*PPB_NetworkMonitor_Callback)(void* user_data,
+                                            PP_Resource network_list);
+/**
+ * @}
+ */
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+/**
+ * The <code>PPB_NetworkMonitor_Private</code> provides access to
+ * notifications of network configuration changes.
+ */
+struct PPB_NetworkMonitor_Private_0_2 {
+  /**
+   * Starts network change monitoring. The specified
+   * <code>callback</code> will be called on the main thread once
+   * after this method is called (to supply the initial network
+   * configuarion) and then later every time network configuration
+   * changes. Notifications are stopped when this method is called
+   * with <code>callback</code> set to NULL.
+   *
+   * @param[in] callback The callback that will be called every time
+   * network configuration changes or NULL to stop network monitoring.
+   *
+   * @param[inout] user_data The data to be passed to the callback on
+   * each call.
+   *
+   * @return Returns an error-code in case of an error or PP_OK
+   * otherwise.
+   */
+  int32_t (*SetCallback)(PP_Instance instance,
+                         PPB_NetworkMonitor_Callback callback,
+                         void* user_data);
+};
+
+typedef struct PPB_NetworkMonitor_Private_0_2 PPB_NetworkMonitor_Private;
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_PRIVATE_PPB_NETWORK_MONITOR_PRIVATE_H_ */
+