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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MOJO_PUBLIC_SHELL_APPLICATION_H_
#define MOJO_PUBLIC_SHELL_APPLICATION_H_
#include <vector>
#include "mojo/public/cpp/shell/connect.h"
#include "mojo/public/cpp/shell/lib/service_connector.h"
#include "mojo/public/cpp/system/core.h"
#include "mojo/public/interfaces/shell/shell.mojom.h"
namespace mojo {
// Utility class for creating ShellClients that vend service instances.
// To use define a class that implements your specific server api, e.g. FooImpl
// to implement a service named Foo.
// That class must subclass an InterfaceImpl specialization.
//
// If there is context that is to be shared amongst all instances, define a
// constructor with that class as its only argument, otherwise define an empty
// constructor.
//
// class FooImpl : public InterfaceImpl<Foo> {
// public:
// FooImpl() {}
// };
//
// or
//
// class BarImpl : public InterfaceImpl<Bar> {
// public:
// // context will remain valid for the lifetime of BarImpl.
// BarImpl(BarContext* context) : context_(context) {}
// private:
// BarContext* context;
// };
//
// Create an Application instance that collects any service implementations.
//
// Application app(shell_handle);
// app.AddService<FooImpl>();
//
// BarContext context;
// app.AddService<BarImpl>(&context);
//
//
class Application : public internal::ServiceConnectorBase::Owner {
public:
explicit Application(ScopedMessagePipeHandle shell_handle);
explicit Application(MojoHandle shell_handle);
virtual ~Application();
template <typename Impl, typename Context>
void AddService(Context* context) {
AddServiceConnector(new internal::ServiceConnector<Impl, Context>(context));
}
template <typename Impl>
void AddService() {
AddServiceConnector(new internal::ServiceConnector<Impl, void>(NULL));
}
template <typename Interface>
void ConnectTo(const std::string& url, InterfacePtr<Interface>* ptr) {
mojo::ConnectTo(shell(), url, ptr);
}
protected:
// ShellClient methods.
// Override this to dispatch to correct service when there's more than one.
// TODO(davemoore): Augment this with name registration.
virtual void AcceptConnection(const mojo::String& url,
ScopedMessagePipeHandle client_handle)
MOJO_OVERRIDE;
private:
// internal::ServiceConnectorBase::Owner methods.
// Takes ownership of |service_connector|.
virtual void AddServiceConnector(
internal::ServiceConnectorBase* service_connector) MOJO_OVERRIDE;
virtual void RemoveServiceConnector(
internal::ServiceConnectorBase* service_connector) MOJO_OVERRIDE;
typedef std::vector<internal::ServiceConnectorBase*> ServiceConnectorList;
ServiceConnectorList service_connectors_;
};
} // namespace mojo
#endif // MOJO_PUBLIC_SHELL_APPLICATION_H_
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