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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 "core/frame/DeviceSingleWindowEventController.h" | |
| 7 | |
| 8 #include "core/dom/Document.h" | |
| 9 #include "core/frame/DOMWindow.h" | |
| 10 #include "core/page/Page.h" | |
| 11 | |
| 12 namespace WebCore { | |
| 13 | |
| 14 DeviceSingleWindowEventController::DeviceSingleWindowEventController(Document& d
ocument) | |
| 15 : DeviceEventControllerBase(document.page()) | |
| 16 , DOMWindowLifecycleObserver(document.domWindow()) | |
| 17 , m_needsCheckingNullEvents(true) | |
| 18 , m_document(document) | |
| 19 { | |
| 20 } | |
| 21 | |
| 22 DeviceSingleWindowEventController::~DeviceSingleWindowEventController() | |
| 23 { | |
| 24 } | |
| 25 | |
| 26 void DeviceSingleWindowEventController::didUpdateData() | |
| 27 { | |
| 28 dispatchDeviceEvent(lastEvent()); | |
| 29 } | |
| 30 | |
| 31 void DeviceSingleWindowEventController::dispatchDeviceEvent(PassRefPtrWillBeRawP
tr<Event> prpEvent) | |
| 32 { | |
| 33 if (!m_document.domWindow() || m_document.activeDOMObjectsAreSuspended() ||
m_document.activeDOMObjectsAreStopped()) | |
| 34 return; | |
| 35 | |
| 36 RefPtrWillBeRawPtr<Event> event = prpEvent; | |
| 37 m_document.domWindow()->dispatchEvent(event); | |
| 38 | |
| 39 if (m_needsCheckingNullEvents) { | |
| 40 if (isNullEvent(event.get())) | |
| 41 stopUpdating(); | |
| 42 else | |
| 43 m_needsCheckingNullEvents = false; | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 void DeviceSingleWindowEventController::didAddEventListener(DOMWindow* window, c
onst AtomicString& eventType) | |
| 48 { | |
| 49 if (eventType != eventTypeName()) | |
| 50 return; | |
| 51 | |
| 52 if (page() && page()->visibilityState() == PageVisibilityStateVisible) | |
| 53 startUpdating(); | |
| 54 | |
| 55 m_hasEventListener = true; | |
| 56 } | |
| 57 | |
| 58 void DeviceSingleWindowEventController::didRemoveEventListener(DOMWindow* window
, const AtomicString& eventType) | |
| 59 { | |
| 60 if (eventType != eventTypeName() || window->hasEventListeners(eventTypeName(
))) | |
| 61 return; | |
| 62 | |
| 63 stopUpdating(); | |
| 64 m_hasEventListener = false; | |
| 65 } | |
| 66 | |
| 67 void DeviceSingleWindowEventController::didRemoveAllEventListeners(DOMWindow*) | |
| 68 { | |
| 69 stopUpdating(); | |
| 70 m_hasEventListener = false; | |
| 71 } | |
| 72 | |
| 73 } // namespace WebCore | |
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Chromium Code Reviews
Issue 315023006:
Revert of Generalize and refactor DeviceSensorEvent* architecture to support multi-event type targets. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk