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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_SHELL_PUBLIC_CPP_SHELL_CLIENT_H_
#define MOJO_SHELL_PUBLIC_CPP_SHELL_CLIENT_H_
#include <stdint.h>
#include <string>
#include "base/macros.h"
#include "mojo/shell/public/cpp/connection.h"
#include "mojo/shell/public/cpp/identity.h"
namespace mojo {
class Connector;
// An interface representing an instance "known to the Mojo Shell". The
// implementation receives lifecycle messages for the instance and gets the
// opportunity to handle inbound connections brokered by the Shell. Every client
// of ShellConnection must implement this interface, and instances of this
// interface must outlive the ShellConnection.
class ShellClient {
public:
ShellClient();
virtual ~ShellClient();
// Called once a bidirectional connection with the shell has been established.
// |identity| is the identity of the instance.
// |id| is a unique identifier the shell uses to identify this specific
// instance of the application.
// Called exactly once before any other method.
virtual void Initialize(Connector* connector,
const Identity& identity,
uint32_t id);
// Called when a connection to this client is brokered by the shell. Override
// to expose services to the remote application. Return true if the connection
// should succeed. Return false if the connection should be rejected and the
// underlying pipe closed. The default implementation returns false.
virtual bool AcceptConnection(Connection* connection);
// Called when ShellConnection's ShellClient binding (i.e. the pipe the
// Mojo Shell has to talk to us over) is closed. A shell client may use this
// as a signal to terminate. Return true from this method to tell the
// ShellConnection to run its connection lost closure if it has one, false to
// prevent it from being run. The default implementation returns true.
// When used in conjunction with ApplicationRunner, returning true here quits
// the message loop created by ApplicationRunner, which results in the app
// quitting.
virtual bool ShellConnectionLost();
private:
DISALLOW_COPY_AND_ASSIGN(ShellClient);
};
} // namespace mojo
#endif // MOJO_SHELL_PUBLIC_CPP_SHELL_CLIENT_H_
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