1/*
2 * Copyright 2012 Samsung Electronics. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "DeviceProximityController.h"
28
29#if ENABLE(PROXIMITY_EVENTS)
30
31#include "DeviceProximityClient.h"
32#include "DeviceProximityEvent.h"
33#include "Page.h"
34
35namespace WebCore {
36
37DeviceProximityController::DeviceProximityController(DeviceProximityClient* client)
38    : DeviceController(client)
39{
40    ASSERT(m_client);
41}
42
43void DeviceProximityController::didChangeDeviceProximity(const double value, const double min, const double max)
44{
45    ASSERT(value >= min && value <= max);
46
47    dispatchDeviceEvent(DeviceProximityEvent::create(eventNames().webkitdeviceproximityEvent, value, min, max));
48}
49
50DeviceProximityClient* DeviceProximityController::deviceProximityClient()
51{
52    return static_cast<DeviceProximityClient*>(m_client);
53}
54
55bool DeviceProximityController::hasLastData()
56{
57    return deviceProximityClient()->hasLastData();
58}
59
60PassRefPtr<Event> DeviceProximityController::getLastEvent()
61{
62    return DeviceProximityEvent::create(eventNames().webkitdeviceproximityEvent, deviceProximityClient()->value(), deviceProximityClient()->min(), deviceProximityClient()->max());
63}
64
65const char* DeviceProximityController::supplementName()
66{
67    return "DeviceProximityController";
68}
69
70DeviceProximityController* DeviceProximityController::from(Page* page)
71{
72    return static_cast<DeviceProximityController*>(Supplement<Page>::from(page, supplementName()));
73}
74
75bool DeviceProximityController::isActiveAt(Page* page)
76{
77    if (DeviceProximityController* controller = DeviceProximityController::from(page))
78        return controller->isActive();
79    return false;
80}
81
82void provideDeviceProximityTo(Page* page, DeviceProximityClient* client)
83{
84    DeviceProximityController::provideTo(page, DeviceProximityController::supplementName(), std::make_unique<DeviceProximityController>(client));
85}
86
87} // namespace WebCore
88
89#endif // PROXIMITY_EVENTS
90