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
95
96
97
98
99
100
101
102
|
/*
* Copyright 2010, The Android Open Source Project
* Copyright (C) 2012 Samsung Electronics. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DeviceController.h"
#include "DeviceClient.h"
#include "Document.h"
#include "Page.h"
namespace WebCore {
DeviceController::DeviceController(DeviceClient* client)
: m_client(client)
, m_timer(*this, &DeviceController::fireDeviceEvent)
{
ASSERT(m_client);
}
void DeviceController::addDeviceEventListener(DOMWindow* window)
{
bool wasEmpty = m_listeners.isEmpty();
m_listeners.add(window);
if (hasLastData()) {
m_lastEventListeners.add(window);
if (!m_timer.isActive())
m_timer.startOneShot(0);
}
if (wasEmpty)
m_client->startUpdating();
}
void DeviceController::removeDeviceEventListener(DOMWindow* window)
{
m_listeners.remove(window);
m_lastEventListeners.remove(window);
if (m_listeners.isEmpty())
m_client->stopUpdating();
}
void DeviceController::removeAllDeviceEventListeners(DOMWindow* window)
{
m_listeners.removeAll(window);
m_lastEventListeners.removeAll(window);
if (m_listeners.isEmpty())
m_client->stopUpdating();
}
void DeviceController::dispatchDeviceEvent(Event& event)
{
Vector<RefPtr<DOMWindow>> listenerVector;
copyToVector(m_listeners, listenerVector);
for (auto& listener : listenerVector) {
auto document = listener->document();
if (document && !document->activeDOMObjectsAreSuspended() && !document->activeDOMObjectsAreStopped())
listener->dispatchEvent(event);
}
}
void DeviceController::fireDeviceEvent()
{
ASSERT(hasLastData());
m_timer.stop();
Vector<RefPtr<DOMWindow>> listenerVector;
copyToVector(m_lastEventListeners, listenerVector);
m_lastEventListeners.clear();
for (auto& listener : listenerVector) {
auto document = listener->document();
if (document && !document->activeDOMObjectsAreSuspended() && !document->activeDOMObjectsAreStopped()) {
if (auto lastEvent = getLastEvent())
listener->dispatchEvent(*lastEvent);
}
}
}
} // namespace WebCore
|
