Chromium Code Reviews Chromium Code Reviews
Issue 143823004:
Implement DeviceLight (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| OLD | NEW |
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| 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 "config.h" | |
| 6 #include "modules/device_light/DeviceLightController.h" | |
| 7 | |
| 8 #include "RuntimeEnabledFeatures.h" | |
| 9 #include "core/dom/Document.h" | |
| 10 #include "core/events/ThreadLocalEventNames.h" | |
| 11 #include "core/frame/DeviceSensorEventController.h" | |
| 12 #include "core/page/Page.h" | |
| 13 #include "modules/device_light/DeviceLightDispatcher.h" | |
| 14 #include "modules/device_light/DeviceLightEvent.h" | |
| 15 | |
| 16 namespace WebCore { | |
| 17 | |
| 18 DeviceLightController::DeviceLightController(Document& document) | |
| 19 : DeviceSensorEventController(document) | |
| 20 , DOMWindowLifecycleObserver(document.domWindow()) | |
| 21 { | |
| 22 } | |
| 23 | |
| 24 DeviceLightController::~DeviceLightController() | |
| 25 { | |
| 26 stopUpdating(); | |
| 27 } | |
| 28 | |
| 29 void DeviceLightController::didChangeDeviceLight(double value) | |
| 30 { | |
| 31 dispatchDeviceEvent(DeviceLightEvent::create(EventTypeNames::devicelight, va lue)); | |
| 32 } | |
| 33 | |
| 34 const char* DeviceLightController::supplementName() | |
| 35 { | |
| 36 return "DeviceLightController"; | |
| 37 } | |
| 38 | |
| 39 DeviceLightController& DeviceLightController::from(Document& document) | |
| 40 { | |
| 41 DeviceLightController* controller = static_cast<DeviceLightController*>(Docu mentSupplement::from(document, supplementName())); | |
| 42 if (!controller) { | |
| 43 controller = new DeviceLightController(document); | |
| 44 DocumentSupplement::provideTo(document, supplementName(), adoptPtr(contr oller)); | |
| 45 } | |
| 46 return *controller; | |
| 47 } | |
| 48 | |
| 49 bool DeviceLightController::hasLastData() | |
| 50 { | |
| 51 return DeviceLightDispatcher::instance().latestDeviceLightData(); | |
| 52 } | |
| 53 | |
| 54 PassRefPtr<Event> DeviceLightController::getLastEvent() | |
| 55 { | |
| 56 return DeviceLightEvent::create(EventTypeNames::devicelight, | |
| 57 DeviceLightDispatcher::instance().latestDeviceLightData()); | |
| 58 } | |
| 59 | |
| 60 void DeviceLightController::registerWithDispatcher() | |
| 61 { | |
| 62 DeviceLightDispatcher::instance().addDeviceLightController(this); | |
| 63 } | |
| 64 | |
| 65 void DeviceLightController::unregisterWithDispatcher() | |
| 66 { | |
| 67 DeviceLightDispatcher::instance().removeDeviceLightController(this); | |
| 68 } | |
| 69 | |
| 70 bool DeviceLightController::isNullEvent(Event* event) | |
| 71 { | |
| 72 DeviceLightEvent* lightEvent = toDeviceLightEvent(event); | |
| 73 return !lightEvent->value(); | |
| 74 } | |
| 75 | |
| 76 void DeviceLightController::didAddEventListener(DOMWindow* window, const AtomicS tring& eventType) | |
| 77 { | |
| 78 if (eventType == EventTypeNames::devicelight && RuntimeEnabledFeatures::devi ceLightEnabled()) { | |
| 79 if (page() && page()->visibilityState() == PageVisibilityStateVisible) | |
| 80 startUpdating(); | |
|
abarth-chromium
2014/03/21 13:04:13
You still haven't fixed this bug. If someone call
riju_
2014/04/03 17:52:53
DeviceLightController is inheriting from DeviceSen
| |
| 81 m_hasEventListener = true; | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 void DeviceLightController::didRemoveEventListener(DOMWindow* window, const Atom icString& eventType) | |
| 86 { | |
| 87 if (eventType == EventTypeNames::devicelight) { | |
| 88 stopUpdating(); | |
| 89 m_hasEventListener = false; | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 void DeviceLightController::didRemoveAllEventListeners(DOMWindow* window) | |
| 94 { | |
| 95 stopUpdating(); | |
| 96 m_hasEventListener = false; | |
| 97 } | |
| 98 | |
| 99 | |
| 100 } // namespace WebCore | |
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