1/*
2 * Copyright 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2012 Samsung Electronics. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "DeviceMotionController.h"
29
30#include "DeviceMotionClient.h"
31#include "DeviceMotionData.h"
32#include "DeviceMotionEvent.h"
33#include "EventNames.h"
34#include "Page.h"
35
36namespace WebCore {
37
38DeviceMotionController::DeviceMotionController(DeviceMotionClient& client)
39 : DeviceController(client)
40{
41 deviceMotionClient().setController(this);
42}
43
44#if PLATFORM(IOS_FAMILY)
45
46// FIXME: We should look to reconcile the iOS vs. non-iOS differences with this class
47// so that we can either remove these functions or the PLATFORM(IOS_FAMILY)-guard.
48
49void DeviceMotionController::suspendUpdates()
50{
51 m_client.stopUpdating();
52}
53
54void DeviceMotionController::resumeUpdates()
55{
56 if (!m_listeners.isEmpty())
57 m_client.startUpdating();
58}
59
60#endif
61
62void DeviceMotionController::didChangeDeviceMotion(DeviceMotionData* deviceMotionData)
63{
64 dispatchDeviceEvent(DeviceMotionEvent::create(eventNames().devicemotionEvent, deviceMotionData));
65}
66
67DeviceMotionClient& DeviceMotionController::deviceMotionClient()
68{
69 return static_cast<DeviceMotionClient&>(m_client);
70}
71
72bool DeviceMotionController::hasLastData()
73{
74 return deviceMotionClient().lastMotion();
75}
76
77RefPtr<Event> DeviceMotionController::getLastEvent()
78{
79 return DeviceMotionEvent::create(eventNames().devicemotionEvent, deviceMotionClient().lastMotion());
80}
81
82const char* DeviceMotionController::supplementName()
83{
84 return "DeviceMotionController";
85}
86
87DeviceMotionController* DeviceMotionController::from(Page* page)
88{
89 return static_cast<DeviceMotionController*>(Supplement<Page>::from(page, supplementName()));
90}
91
92bool DeviceMotionController::isActiveAt(Page* page)
93{
94 if (DeviceMotionController* self = DeviceMotionController::from(page))
95 return self->isActive();
96 return false;
97}
98
99} // namespace WebCore
100