content/browser/navigator_connect/service_port_service_impl.h

   1 // Copyright 2015 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 CONTENT_BROWSER_NAVIGATOR_CONNECT_SERVICE_PORT_SERVICE_IMPL_H_
   6 #define CONTENT_BROWSER_NAVIGATOR_CONNECT_SERVICE_PORT_SERVICE_IMPL_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/common/service_port_service.mojom.h"
  12 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
  13
  14 namespace content {
  15 struct MessagePortMessage;
  16 class MessagePortMessageFilter;
  17 class NavigatorConnectContextImpl;
  18 struct TransferredMessagePort;
  19
  20 // Browser side class representing a ServicePortCollection in the renderer. One
  21 // instance of this class is created for each ServicePortCollection, and is
  22 // automatically destroyed when the ServicePortCollection in the renderer goes
  23 // away.
  24 class ServicePortServiceImpl : public ServicePortService {
  25  public:
  26   // Factory method called by mojo to create a new instance of this class to
  27   // handle requests from a new ServicePortCollection.
  28   static void Create(const scoped_refptr<NavigatorConnectContextImpl>&
  29                          navigator_connect_context,
  30                      const scoped_refptr<MessagePortMessageFilter>&
  31                          message_port_message_filter,
  32                      mojo::InterfaceRequest<ServicePortService> request);
  33   ~ServicePortServiceImpl() override;
  34
  35   // Called by NavigatorConnectContextImpl to post a message to a port that is
  36   // owned by this ServicePortCollection.
  37   void PostMessageToClient(
  38       int port_id,
  39       const MessagePortMessage& message,
  40       const std::vector<TransferredMessagePort>& sent_message_ports);
  41
  42  private:
  43   static void CreateOnIOThread(
  44       const scoped_refptr<NavigatorConnectContextImpl>&
  45           navigator_connect_context,
  46       const scoped_refptr<MessagePortMessageFilter>&
  47           message_port_message_filter,
  48       mojo::InterfaceRequest<ServicePortService> request);
  49   ServicePortServiceImpl(const scoped_refptr<NavigatorConnectContextImpl>&
  50                              navigator_connect_context,
  51                          const scoped_refptr<MessagePortMessageFilter>&
  52                              message_port_message_filter,
  53                          mojo::InterfaceRequest<ServicePortService> request);
  54
  55   // ServicePortService methods:
  56   void SetClient(ServicePortServiceClientPtr client) override;
  57   void Connect(const mojo::String& target_url,
  58                const mojo::String& origin,
  59                const ConnectCallback& callback) override;
  60   void PostMessage(int32_t port_id,
  61                    const mojo::String& message,
  62                    mojo::Array<MojoTransferredMessagePortPtr> ports) override;
  63   void ClosePort(int32_t port_id) override;
  64
  65   // Callback called when a connection to a service has been establised or
  66   // rejected.
  67   void OnConnectResult(const ConnectCallback& callback,
  68                        int message_port_id,
  69                        bool success);
  70
  71   mojo::StrongBinding<ServicePortService> binding_;
  72   scoped_refptr<NavigatorConnectContextImpl> navigator_connect_context_;
  73   scoped_refptr<MessagePortMessageFilter> message_port_message_filter_;
  74   ServicePortServiceClientPtr client_;
  75   base::WeakPtrFactory<ServicePortServiceImpl> weak_ptr_factory_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(ServicePortServiceImpl);
  78 };
  79
  80 }  // namespace content
  81
  82 #endif  // CONTENT_BROWSER_NAVIGATOR_CONNECT_SERVICE_PORT_SERVICE_IMPL_H_