service_registry_impl.h revision 5f1c94371a64b3196d4be9466099bb892df9b88e
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
20namespace content {
21
22class 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_
66