src/xwalk/extensions/extension_process/xwalk_extension_process.h

   1 // Copyright (c) 2013 Intel Corporation. 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 #ifndef XWALK_EXTENSIONS_EXTENSION_PROCESS_XWALK_EXTENSION_PROCESS_H_
   6 #define XWALK_EXTENSIONS_EXTENSION_PROCESS_XWALK_EXTENSION_PROCESS_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/values.h"
  12 #include "base/synchronization/waitable_event.h"
  13 #include "base/threading/thread.h"
  14 #include "ipc/ipc_channel_handle.h"
  15 #include "ipc/ipc_listener.h"
  16 #include "xwalk/extensions/common/xwalk_extension_permission_types.h"
  17 #include "xwalk/extensions/common/xwalk_extension_server.h"
  18
  19 namespace base {
  20 class FilePath;
  21 }
  22
  23 namespace IPC {
  24 class SyncChannel;
  25 }
  26
  27 namespace xwalk {
  28 namespace extensions {
  29
  30 class XWalkExtension;
  31 class XWalkExtensionRunner;
  32
  33
  34 // This class represents the Extension Process itself.
  35 // It not only represents the extension side of the browser <->
  36 // extension process communication channel, but also the extension side
  37 // of the extension <-> render process channel.
  38 // It will be responsible for handling the native side (instances) of
  39 // External extensions through its XWalkExtensionServer.
  40 class XWalkExtensionProcess : public IPC::Listener,
  41                               public XWalkExtension::PermissionsDelegate {
  42  public:
  43   XWalkExtensionProcess();
  44   virtual ~XWalkExtensionProcess();
  45   virtual bool CheckAPIAccessControl(const std::string& extension_name,
  46       const std::string& api_name) OVERRIDE;
  47   virtual bool RegisterPermissions(const std::string& extension_name,
  48       const std::string& perm_table) OVERRIDE;
  49
  50  private:
  51   // IPC::Listener implementation.
  52   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  53
  54   // Handlers for IPC messages from XWalkExtensionProcessHost.
  55   void OnRegisterExtensions(const base::FilePath& extension_path,
  56                             const base::ListValue& browser_variables);
  57
  58   void CreateBrowserProcessChannel();
  59   void CreateRenderProcessChannel();
  60
  61   base::WaitableEvent shutdown_event_;
  62   base::Thread io_thread_;
  63   scoped_ptr<IPC::SyncChannel> browser_process_channel_;
  64   XWalkExtensionServer extensions_server_;
  65   scoped_ptr<IPC::SyncChannel> render_process_channel_;
  66   IPC::ChannelHandle rp_channel_handle_;
  67   typedef std::map<std::string, RuntimePermission> PermissionCacheType;
  68   PermissionCacheType permission_cache_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(XWalkExtensionProcess);
  71 };
  72
  73 }  // namespace extensions
  74 }  // namespace xwalk
  75
  76 #endif  // XWALK_EXTENSIONS_EXTENSION_PROCESS_XWALK_EXTENSION_PROCESS_H_