1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// Copyright (c) 2012 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.
#include "chrome/browser/chromeos/system/pointer_device_observer.h"
#include "base/basictypes.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "chrome/browser/chromeos/system/input_device_settings.h"
#include "content/public/browser/browser_thread.h"
#include "ui/events/devices/device_data_manager.h"
#if defined(USE_X11)
#include "chrome/browser/chromeos/events/xinput_hierarchy_changed_event_listener.h"
#endif
using content::BrowserThread;
namespace chromeos {
namespace system {
PointerDeviceObserver::PointerDeviceObserver()
: weak_factory_(this) {
}
PointerDeviceObserver::~PointerDeviceObserver() {
#if defined(USE_X11)
XInputHierarchyChangedEventListener::GetInstance()
->RemoveObserver(this);
#elif defined(USE_OZONE)
ui::DeviceDataManager::GetInstance()->RemoveObserver(this);
#endif
}
void PointerDeviceObserver::Init() {
#if defined(USE_X11)
XInputHierarchyChangedEventListener::GetInstance()
->AddObserver(this);
#elif defined(USE_OZONE)
ui::DeviceDataManager::GetInstance()->AddObserver(this);
#endif
}
void PointerDeviceObserver::CheckDevices() {
CheckMouseExists();
CheckTouchpadExists();
}
void PointerDeviceObserver::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void PointerDeviceObserver::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void PointerDeviceObserver::DeviceHierarchyChanged() {
CheckDevices();
}
void PointerDeviceObserver::OnMouseDeviceConfigurationChanged() {
CheckDevices();
}
void PointerDeviceObserver::OnTouchpadDeviceConfigurationChanged() {
CheckDevices();
}
void PointerDeviceObserver::CheckTouchpadExists() {
InputDeviceSettings::Get()->TouchpadExists(
base::Bind(&PointerDeviceObserver::OnTouchpadExists,
weak_factory_.GetWeakPtr()));
}
void PointerDeviceObserver::CheckMouseExists() {
InputDeviceSettings::Get()->MouseExists(
base::Bind(&PointerDeviceObserver::OnMouseExists,
weak_factory_.GetWeakPtr()));
}
void PointerDeviceObserver::OnTouchpadExists(bool exists) {
FOR_EACH_OBSERVER(Observer, observers_, TouchpadExists(exists));
}
void PointerDeviceObserver::OnMouseExists(bool exists) {
FOR_EACH_OBSERVER(Observer, observers_, MouseExists(exists));
}
PointerDeviceObserver::Observer::~Observer() {
}
} // namespace system
} // namespace chromeos
|
