device/devices_app/public/cpp/devices_app_factory.h

   1 // Copyright 2015 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 DEVICE_DEVICES_APP_PUBLIC_CPP_DEVICES_APP_FACTORY_H_
   6 #define DEVICE_DEVICES_APP_PUBLIC_CPP_DEVICES_APP_FACTORY_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10
  11 namespace base {
  12 class SequencedTaskRunner;
  13 }
  14
  15 namespace mojo {
  16 class ApplicationDelegate;
  17 }
  18
  19 namespace device {
  20
  21 // Public factory for creating new instances of the devices app.
  22 class DevicesAppFactory {
  23  public:
  24   // Creates a DevicesApp delegate which can be used to launch a new instance
  25   // of the devices app on a mojo application runner. The caller owns the
  26   // delegate.
  27   //
  28   // |service_task_runner| is the thread TaskRunner on which the UsbService
  29   // lives. This argument should be removed once UsbService is owned by the
  30   // USB device manager and no longer part of the public device API. If null,
  31   // the app will construct its own DeviceClient and UsbService.
  32   static scoped_ptr<mojo::ApplicationDelegate> CreateApp(
  33       scoped_refptr<base::SequencedTaskRunner> service_task_runner);
  34 };
  35
  36 }  // namespace device
  37
  38 #endif  // DEVICE_DEVICES_APP_PUBLIC_CPP_DEVICES_APP_FACTORY_H_