content/common/mojo/service_registry_impl.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 CONTENT_COMMON_MOJO_SERVICE_REGISTRY_IMPL_H_
   6 #define CONTENT_COMMON_MOJO_SERVICE_REGISTRY_IMPL_H_
   7
   8 #include <map>
   9 #include <queue>
  10 #include <string>
  11 #include <utility>
  12
  13 #include "base/callback.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "content/public/common/service_registry.h"
  16 #include "mojo/public/cpp/bindings/interface_impl.h"
  17 #include "mojo/public/cpp/system/core.h"
  18 #include "mojo/public/interfaces/application/service_provider.mojom.h"
  19
  20 namespace content {
  21
  22 class ServiceRegistryImpl : public ServiceRegistry,
  23                             public mojo::InterfaceImpl<mojo::ServiceProvider> {
  24  public:
  25   ServiceRegistryImpl();
  26   explicit ServiceRegistryImpl(mojo::ScopedMessagePipeHandle handle);
  27   virtual ~ServiceRegistryImpl();
  28
  29   // Binds to a remote ServiceProvider. This will expose added services to the
  30   // remote ServiceProvider with the corresponding handle and enable
  31   // ConnectToRemoteService to provide access to services exposed by the remote
  32   // ServiceProvider.
  33   void BindRemoteServiceProvider(mojo::ScopedMessagePipeHandle handle);
  34
  35   // ServiceRegistry overrides.
  36   virtual void AddService(
  37       const std::string& service_name,
  38       const base::Callback<void(mojo::ScopedMessagePipeHandle)> service_factory)
  39       OVERRIDE;
  40   virtual void RemoveService(const std::string& service_name) OVERRIDE;
  41   virtual void ConnectToRemoteService(
  42       const base::StringPiece& service_name,
  43       mojo::ScopedMessagePipeHandle handle) OVERRIDE;
  44
  45   base::WeakPtr<ServiceRegistry> GetWeakPtr();
  46
  47  private:
  48   // mojo::InterfaceImpl<mojo::ServiceProvider> overrides.
  49   virtual void ConnectToService(
  50       const mojo::String& name,
  51       mojo::ScopedMessagePipeHandle client_handle) OVERRIDE;
  52   virtual void OnConnectionError() OVERRIDE;
  53
  54   std::map<std::string, base::Callback<void(mojo::ScopedMessagePipeHandle)> >
  55       service_factories_;
  56   std::queue<std::pair<std::string, mojo::MessagePipeHandle> >
  57       pending_connects_;
  58   bool bound_;
  59
  60   base::WeakPtrFactory<ServiceRegistry> weak_factory_;
  61 };
  62
  63 }  // namespace content
  64
  65 #endif  // CONTENT_COMMON_MOJO_SERVICE_REGISTRY_IMPL_H_