Revert r223494 "Simplify PPB_NetworkMonitor proxy."

ppapi/shared_impl/ppb_network_list_private_shared.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.
+
+#ifndef PPAPI_SHARED_IMPL_PPB_NETWORK_LIST_PRIVATE_SHARED_H_
+#define PPAPI_SHARED_IMPL_PPB_NETWORK_LIST_PRIVATE_SHARED_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "ppapi/c/private/ppb_net_address_private.h"
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/thunk/ppb_network_list_api.h"
+
+namespace ppapi {
+
+struct PPAPI_SHARED_EXPORT NetworkInfo {
+  NetworkInfo();
+  ~NetworkInfo();
+
+  std::string name;
+  PP_NetworkListType_Private type;
+  PP_NetworkListState_Private state;
+  std::vector<PP_NetAddress_Private> addresses;
+  std::string display_name;
+  int mtu;
+};
+typedef std::vector<NetworkInfo> NetworkList;
+
+// NetworkListStorage is refcounted container for NetworkList. It
+// allows sharing of one NetworkList object between multiple
+// NetworkList resources.
+class PPAPI_SHARED_EXPORT NetworkListStorage
+    : public base::RefCountedThreadSafe<NetworkListStorage> {
+ public:
+  explicit NetworkListStorage(const NetworkList& list);
+
+  const NetworkList& list() { return list_; }
+
+ private:
+  friend class base::RefCountedThreadSafe<NetworkListStorage>;
+  ~NetworkListStorage();
+
+  NetworkList list_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkListStorage);
+};
+
+class PPAPI_SHARED_EXPORT PPB_NetworkList_Private_Shared
+    : public ::ppapi::Resource,
+      public ::ppapi::thunk::PPB_NetworkList_API {
+ public:
+  static PP_Resource Create(ResourceObjectType type,
+                            PP_Instance instance,
+                            const scoped_refptr<NetworkListStorage>& list);
+
+  virtual ~PPB_NetworkList_Private_Shared();
+
+  // Resource override.
+  virtual ::ppapi::thunk::PPB_NetworkList_API*
+      AsPPB_NetworkList_API() OVERRIDE;
+
+  // PPB_NetworkList_API implementation.
+  virtual const NetworkList& GetNetworkListData() const OVERRIDE;
+  virtual uint32_t GetCount() OVERRIDE;
+  virtual PP_Var GetName(uint32_t index) OVERRIDE;
+  virtual PP_NetworkListType_Private GetType(uint32_t index) OVERRIDE;
+  virtual PP_NetworkListState_Private GetState(uint32_t index) OVERRIDE;
+  virtual int32_t GetIpAddresses(uint32_t index,
+                                 const PP_ArrayOutput& output) OVERRIDE;
+  virtual PP_Var GetDisplayName(uint32_t index) OVERRIDE;
+  virtual uint32_t GetMTU(uint32_t index) OVERRIDE;
+
+ private:
+  PPB_NetworkList_Private_Shared(ResourceObjectType type,
+                                 PP_Instance instance,
+                                 const scoped_refptr<NetworkListStorage>& list);
+
+  scoped_refptr<NetworkListStorage> list_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_NetworkList_Private_Shared);
+};
+
+}  // namespace ppapi
+
+#endif  // PPAPI_SHARED_IMPL_PPB_NETWORK_LIST_PRIVATE_SHARED_H_