src/extension/extension_adapter.h

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *    Licensed under the Apache License, Version 2.0 (the "License");
   5  *    you may not use this file except in compliance with the License.
   6  *    You may obtain a copy of the License at
   7  *
   8  *        http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *    Unless required by applicable law or agreed to in writing, software
  11  *    distributed under the License is distributed on an "AS IS" BASIS,
  12  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *    See the License for the specific language governing permissions and
  14  *    limitations under the License.
  15  */
  16
  17 #ifndef WRT_EXTENSION_EXTENSION_ADAPTER_H_
  18 #define WRT_EXTENSION_EXTENSION_ADAPTER_H_
  19
  20 #include <map>
  21
  22 #include "extension/extension.h"
  23 #include "extension/extension_instance.h"
  24
  25 #include "extension/xwalk/XW_Extension.h"
  26 #include "extension/xwalk/XW_Extension_SyncMessage.h"
  27 #include "extension/xwalk/XW_Extension_EntryPoints.h"
  28 #include "extension/xwalk/XW_Extension_Runtime.h"
  29 #include "extension/xwalk/XW_Extension_Permissions.h"
  30
  31 namespace wrt {
  32
  33 class ExtensionAdapter {
  34  public:
  35   typedef std::map<XW_Extension, Extension*> ExtensionMap;
  36   typedef std::map<XW_Instance, ExtensionInstance*> InstanceMap;
  37
  38   static ExtensionAdapter* GetInstance();
  39
  40   XW_Extension GetNextXWExtension();
  41   XW_Instance GetNextXWInstance();
  42
  43   void RegisterExtension(Extension* extension);
  44   void UnregisterExtension(Extension* extension);
  45
  46   void RegisterInstance(ExtensionInstance* instance);
  47   void UnregisterInstance(ExtensionInstance* instance);
  48
  49   // Returns the correct struct according to interface asked. This is
  50   // passed to external extensions in XW_Initialize() call.
  51   static const void* GetInterface(const char* name);
  52
  53  private:
  54   ExtensionAdapter();
  55   virtual ~ExtensionAdapter();
  56
  57   static Extension* GetExtension(XW_Extension xw_extension);
  58   static ExtensionInstance* GetExtensionInstance(XW_Instance xw_instance);
  59
  60   static void CoreSetExtensionName(XW_Extension xw_extension, const char* name);
  61   static void CoreSetJavaScriptAPI(XW_Extension xw_extension,
  62                                    const char* javascript_api);
  63   static void CoreRegisterInstanceCallbacks(XW_Extension xw_extension,
  64                                      XW_CreatedInstanceCallback created,
  65                                      XW_DestroyedInstanceCallback destroyed);
  66   static void CoreRegisterShutdownCallback(XW_Extension xw_extension,
  67                                     XW_ShutdownCallback shutdown);
  68   static void CoreSetInstanceData(XW_Instance xw_instance, void* data);
  69   static void* CoreGetInstanceData(XW_Instance xw_instance);
  70   static void MessagingRegister(XW_Extension xw_extension,
  71                                 XW_HandleMessageCallback handle_message);
  72   static void MessagingPostMessage(XW_Instance xw_instance,
  73                                    const char* message);
  74   static void SyncMessagingRegister(XW_Extension xw_extension,
  75                              XW_HandleSyncMessageCallback handle_sync_message);
  76   static void SyncMessagingSetSyncReply(XW_Instance xw_instance,
  77                                         const char* reply);
  78   static void EntryPointsSetExtraJSEntryPoints(XW_Extension xw_extension,
  79                                                const char** entry_points);
  80   static void RuntimeGetStringVariable(XW_Extension xw_extension,
  81                                        const char* key,
  82                                        char* value,
  83                                        unsigned int value_len);
  84   static int PermissionsCheckAPIAccessControl(XW_Extension xw_extension,
  85                                               const char* api_name);
  86   static int PermissionsRegisterPermissions(XW_Extension xw_extension,
  87                                             const char* perm_table);
  88
  89   ExtensionMap extension_map_;
  90   InstanceMap instance_map_;
  91
  92   XW_Extension next_xw_extension_;
  93   XW_Instance next_xw_instance_;
  94 };
  95
  96 }  // namespace wrt
  97
  98 #endif  // WRT_EXTENSION_EXTENSION_ADAPTER_H_