src/ui/events/ozone/evdev/device_manager_evdev.cc

   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 #include "ui/events/ozone/evdev/device_manager_evdev.h"
   6
   7 #include "base/files/file_enumerator.h"
   8 #include "base/files/file_path.h"
   9
  10 namespace ui {
  11
  12 namespace {
  13
  14 class DeviceManagerManual : public DeviceManagerEvdev {
  15  public:
  16   DeviceManagerManual() {}
  17   virtual ~DeviceManagerManual() {}
  18
  19   // Enumerate existing devices & start watching for device changes.
  20   virtual void ScanAndStartMonitoring(const EvdevDeviceCallback& device_added,
  21                                       const EvdevDeviceCallback& device_removed)
  22       OVERRIDE {
  23     base::FileEnumerator file_enum(base::FilePath("/dev/input"),
  24                                    false,
  25                                    base::FileEnumerator::FILES,
  26                                    "event*[0-9]");
  27     for (base::FilePath path = file_enum.Next(); !path.empty();
  28          path = file_enum.Next())
  29       device_added.Run(path);
  30   }
  31
  32   virtual void Stop() OVERRIDE {}
  33 };
  34
  35 }  // namespace
  36
  37 DeviceManagerEvdev::~DeviceManagerEvdev() {}
  38
  39 scoped_ptr<DeviceManagerEvdev> CreateDeviceManagerManual() {
  40   return make_scoped_ptr<DeviceManagerEvdev>(new DeviceManagerManual);
  41 }
  42
  43 }  // namespace ui