mojo/application/public/cpp/interface_factory_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 MOJO_APPLICATION_PUBLIC_CPP_INTERFACE_FACTORY_IMPL_H_
   6 #define MOJO_APPLICATION_PUBLIC_CPP_INTERFACE_FACTORY_IMPL_H_
   7
   8 #include "mojo/application/public/cpp/interface_factory.h"
   9
  10 namespace mojo {
  11
  12 // Use this class to allocate and bind instances of Impl to interface requests.
  13 // The lifetime of the constructed Impl is bound to the pipe.
  14 template <typename Impl,
  15           typename Interface = typename Impl::ImplementedInterface>
  16 class InterfaceFactoryImpl : public InterfaceFactory<Interface> {
  17  public:
  18   virtual ~InterfaceFactoryImpl() {}
  19
  20   virtual void Create(ApplicationConnection* connection,
  21                       InterfaceRequest<Interface> request) override {
  22     BindToRequest(new Impl(), &request);
  23   }
  24 };
  25
  26 // Use this class to allocate and bind instances of Impl constructed with a
  27 // context parameter to interface requests. The lifetime of the constructed
  28 // Impl is bound to the pipe.
  29 template <typename Impl,
  30           typename Context,
  31           typename Interface = typename Impl::ImplementedInterface>
  32 class InterfaceFactoryImplWithContext : public InterfaceFactory<Interface> {
  33  public:
  34   explicit InterfaceFactoryImplWithContext(Context* context)
  35       : context_(context) {}
  36   virtual ~InterfaceFactoryImplWithContext() {}
  37
  38   virtual void Create(ApplicationConnection* connection,
  39                       InterfaceRequest<Interface> request) override {
  40     BindToRequest(new Impl(context_), &request);
  41   }
  42
  43  private:
  44   Context* context_;
  45 };
  46
  47 }  // namespace mojo
  48
  49 #endif  // MOJO_APPLICATION_PUBLIC_CPP_INTERFACE_FACTORY_IMPL_H_