device/core/device_client.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 DEVICE_CORE_DEVICE_CLIENT_H_
   6 #define DEVICE_CORE_DEVICE_CLIENT_H_
   7
   8 #include "base/macros.h"
   9
  10 namespace device {
  11
  12 class HidService;
  13 class UsbService;
  14
  15 namespace usb {
  16 class DeviceManager;
  17 }
  18
  19 // Interface used by consumers of //device APIs to get pointers to the service
  20 // singletons appropriate for a given embedding application. For an example see
  21 // //chrome/browser/chrome_device_client.h.
  22 class DeviceClient {
  23  public:
  24   // Construction sets the single instance.
  25   DeviceClient();
  26
  27   // Destruction clears the single instance.
  28   virtual ~DeviceClient();
  29
  30   // Returns the single instance of |this|.
  31   static DeviceClient* Get();
  32
  33   // Returns the UsbService instance for this embedder.
  34   virtual UsbService* GetUsbService();
  35
  36   // Returns the HidService instance for this embedder.
  37   virtual HidService* GetHidService();
  38
  39  private:
  40   DISALLOW_COPY_AND_ASSIGN(DeviceClient);
  41 };
  42
  43 }  // namespace device
  44
  45 #endif  // DEVICE_CORE_DEVICE_CLIENT_H_