| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "modules/device_orientation/DeviceOrientationController.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/frame/Deprecation.h" |
| #include "core/frame/OriginsUsingFeatures.h" |
| #include "core/frame/Settings.h" |
| #include "modules/EventModules.h" |
| #include "modules/device_orientation/DeviceOrientationData.h" |
| #include "modules/device_orientation/DeviceOrientationDispatcher.h" |
| #include "modules/device_orientation/DeviceOrientationEvent.h" |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "public/platform/Platform.h" |
| |
| namespace blink { |
| |
| DeviceOrientationController::DeviceOrientationController(Document& document) |
| : DeviceSingleWindowEventController(document) |
| { |
| } |
| |
| DeviceOrientationController::~DeviceOrientationController() |
| { |
| #if !ENABLE(OILPAN) |
| stopUpdating(); |
| #endif |
| } |
| |
| void DeviceOrientationController::didUpdateData() |
| { |
| if (m_overrideOrientationData) |
| return; |
| dispatchDeviceEvent(lastEvent()); |
| } |
| |
| const char* DeviceOrientationController::supplementName() |
| { |
| return "DeviceOrientationController"; |
| } |
| |
| DeviceOrientationController& DeviceOrientationController::from(Document& document) |
| { |
| DeviceOrientationController* controller = static_cast<DeviceOrientationController*>(Supplement<Document>::from(document, supplementName())); |
| if (!controller) { |
| controller = new DeviceOrientationController(document); |
| Supplement<Document>::provideTo(document, supplementName(), controller); |
| } |
| return *controller; |
| } |
| |
| void DeviceOrientationController::didAddEventListener(LocalDOMWindow* window, const AtomicString& eventType) |
| { |
| if (eventType != eventTypeName()) |
| return; |
| |
| if (document().frame()) { |
| String errorMessage; |
| if (document().isSecureContext(errorMessage)) { |
| UseCounter::count(document().frame(), UseCounter::DeviceOrientationSecureOrigin); |
| } else { |
| Deprecation::countDeprecation(document().frame(), UseCounter::DeviceOrientationInsecureOrigin); |
| OriginsUsingFeatures::countAnyWorld(document(), OriginsUsingFeatures::Feature::DeviceOrientationInsecureOrigin); |
| if (document().frame()->settings()->strictPowerfulFeatureRestrictions()) |
| return; |
| } |
| } |
| |
| if (!m_hasEventListener) |
| Platform::current()->recordRapporURL("DeviceSensors.DeviceOrientation", WebURL(document().url())); |
| |
| DeviceSingleWindowEventController::didAddEventListener(window, eventType); |
| } |
| |
| DeviceOrientationData* DeviceOrientationController::lastData() const |
| { |
| return m_overrideOrientationData ? m_overrideOrientationData.get() : dispatcherInstance().latestDeviceOrientationData(); |
| } |
| |
| bool DeviceOrientationController::hasLastData() |
| { |
| return lastData(); |
| } |
| |
| void DeviceOrientationController::registerWithDispatcher() |
| { |
| dispatcherInstance().addController(this); |
| } |
| |
| void DeviceOrientationController::unregisterWithDispatcher() |
| { |
| dispatcherInstance().removeController(this); |
| } |
| |
| RawPtr<Event> DeviceOrientationController::lastEvent() const |
| { |
| return DeviceOrientationEvent::create(eventTypeName(), lastData()); |
| } |
| |
| bool DeviceOrientationController::isNullEvent(Event* event) const |
| { |
| DeviceOrientationEvent* orientationEvent = toDeviceOrientationEvent(event); |
| return !orientationEvent->orientation()->canProvideEventData(); |
| } |
| |
| const AtomicString& DeviceOrientationController::eventTypeName() const |
| { |
| return EventTypeNames::deviceorientation; |
| } |
| |
| void DeviceOrientationController::setOverride(DeviceOrientationData* deviceOrientationData) |
| { |
| ASSERT(deviceOrientationData); |
| m_overrideOrientationData = deviceOrientationData; |
| dispatchDeviceEvent(lastEvent()); |
| } |
| |
| void DeviceOrientationController::clearOverride() |
| { |
| if (!m_overrideOrientationData) |
| return; |
| m_overrideOrientationData.clear(); |
| if (lastData()) |
| didUpdateData(); |
| } |
| |
| DeviceOrientationDispatcher& DeviceOrientationController::dispatcherInstance() const |
| { |
| return DeviceOrientationDispatcher::instance(false); |
| } |
| |
| DEFINE_TRACE(DeviceOrientationController) |
| { |
| visitor->trace(m_overrideOrientationData); |
| DeviceSingleWindowEventController::trace(visitor); |
| Supplement<Document>::trace(visitor); |
| } |
| |
| } // namespace blink |