components/view_manager/client_connection.h

   1 // Copyright 2014 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 #ifndef COMPONENTS_VIEW_MANAGER_CLIENT_CONNECTION_H_
   6 #define COMPONENTS_VIEW_MANAGER_CLIENT_CONNECTION_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "components/view_manager/public/interfaces/view_manager.mojom.h"
  10 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
  11 #include "third_party/mojo/src/mojo/public/cpp/bindings/error_handler.h"
  12
  13 namespace view_manager {
  14
  15 class ConnectionManager;
  16 class ViewManagerServiceImpl;
  17
  18 // ClientConnection encapsulates the state needed for a single client connected
  19 // to the view manager.
  20 class ClientConnection {
  21  public:
  22   ClientConnection(scoped_ptr<ViewManagerServiceImpl> service,
  23                    mojo::ViewManagerClient* client);
  24   virtual ~ClientConnection();
  25
  26   ViewManagerServiceImpl* service() { return service_.get(); }
  27   const ViewManagerServiceImpl* service() const { return service_.get(); }
  28
  29   mojo::ViewManagerClient* client() { return client_; }
  30
  31  private:
  32   scoped_ptr<ViewManagerServiceImpl> service_;
  33   mojo::ViewManagerClient* client_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(ClientConnection);
  36 };
  37
  38 // Bindings implementation of ClientConnection.
  39 class DefaultClientConnection : public ClientConnection,
  40                                 public mojo::ErrorHandler {
  41  public:
  42   DefaultClientConnection(
  43       scoped_ptr<ViewManagerServiceImpl> service_impl,
  44       ConnectionManager* connection_manager,
  45       mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
  46       mojo::ViewManagerClientPtr client);
  47   ~DefaultClientConnection() override;
  48
  49  private:
  50   // ErrorHandler:
  51   void OnConnectionError() override;
  52
  53   ConnectionManager* connection_manager_;
  54   mojo::Binding<mojo::ViewManagerService> binding_;
  55   mojo::ViewManagerClientPtr client_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(DefaultClientConnection);
  58 };
  59
  60 }  // namespace view_manager
  61
  62 #endif  // COMPONENTS_VIEW_MANAGER_CLIENT_CONNECTION_H_