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// Copyright 2015 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 DEVICE_DEVICES_DEVICES_APP_H_
#define DEVICE_DEVICES_DEVICES_APP_H_
#include "base/cancelable_callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "mojo/application/public/cpp/application_delegate.h"
#include "mojo/application/public/cpp/interface_factory.h"
namespace base {
class SequencedTaskRunner;
}
namespace mojo {
class ApplicationImpl;
}
namespace device {
namespace usb {
class DeviceManager;
}
class DevicesApp : public mojo::ApplicationDelegate,
public mojo::InterfaceFactory<usb::DeviceManager> {
public:
explicit DevicesApp(
scoped_refptr<base::SequencedTaskRunner> service_task_runner);
~DevicesApp() override;
private:
class USBServiceInitializer;
// mojo::ApplicationDelegate:
void Initialize(mojo::ApplicationImpl* app) override;
bool ConfigureIncomingConnection(
mojo::ApplicationConnection* connection) override;
void Quit() override;
// mojo::InterfaceFactory<usb::DeviceManager>:
void Create(mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<usb::DeviceManager> request) override;
// Mojo error handler to track device manager count.
void OnConnectionError();
// Sets the app for destruction after a period of idle time. If any top-level
// services (e.g. usb::DeviceManager) are bound before the timeout elapses,
// it's canceled.
void StartIdleTimer();
mojo::ApplicationImpl* app_impl_;
scoped_ptr<USBServiceInitializer> service_initializer_;
scoped_refptr<base::SequencedTaskRunner> service_task_runner_;
size_t active_device_manager_count_;
// Callback used to shut down the app after a period of inactivity.
base::CancelableClosure idle_timeout_callback_;
DISALLOW_COPY_AND_ASSIGN(DevicesApp);
};
} // naespace device
#endif // DEVICE_DEVICES_DEVICES_APP_H_
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