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.
5 #ifndef MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_
6 #define MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_
8 #include "mojo/public/interfaces/application/service_provider.mojom.h"
11 class ServiceProviderImpl;
13 class ServiceConnectorBase;
15 // Implements a weak pointer to a ServiceProvider. Necessary as the lifetime of
16 // the ServiceProviderImpl is bound to that of its pipe, but code may continue
17 // to reference a remote service provider beyond the lifetime of said pipe.
18 // Calls to ConnectToService() are silently dropped when the pipe is closed.
19 class WeakServiceProvider : public ServiceProvider {
21 WeakServiceProvider(ServiceProviderImpl* creator,
22 ServiceProvider* service_provider);
23 virtual ~WeakServiceProvider();
28 // Overridden from ServiceProvider:
29 virtual void ConnectToService(
30 const String& service_name,
31 ScopedMessagePipeHandle client_handle) MOJO_OVERRIDE;
33 ServiceProviderImpl* creator_;
34 ServiceProvider* service_provider_;
36 MOJO_DISALLOW_COPY_AND_ASSIGN(WeakServiceProvider);
39 } // namespace internal
42 #endif // MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_