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// 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/DeviceMotionController.h"
#include "core/dom/Document.h"
#include "core/frame/Deprecation.h"
#include "core/frame/HostsUsingFeatures.h"
#include "core/frame/Settings.h"
#include "modules/EventModules.h"
#include "modules/device_orientation/DeviceMotionData.h"
#include "modules/device_orientation/DeviceMotionDispatcher.h"
#include "modules/device_orientation/DeviceMotionEvent.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "public/platform/Platform.h"
namespace blink {
DeviceMotionController::DeviceMotionController(Document& document)
: DeviceSingleWindowEventController(document),
Supplement<Document>(document) {}
DeviceMotionController::~DeviceMotionController() {}
const char* DeviceMotionController::supplementName() {
return "DeviceMotionController";
}
DeviceMotionController& DeviceMotionController::from(Document& document) {
DeviceMotionController* controller = static_cast<DeviceMotionController*>(
Supplement<Document>::from(document, supplementName()));
if (!controller) {
controller = new DeviceMotionController(document);
Supplement<Document>::provideTo(document, supplementName(), controller);
}
return *controller;
}
void DeviceMotionController::didAddEventListener(
LocalDOMWindow* window,
const AtomicString& eventType) {
if (eventType != eventTypeName())
return;
if (document().frame()) {
if (document().isSecureContext()) {
UseCounter::count(document().frame(),
UseCounter::DeviceMotionSecureOrigin);
} else {
Deprecation::countDeprecation(document().frame(),
UseCounter::DeviceMotionInsecureOrigin);
HostsUsingFeatures::countAnyWorld(
document(), HostsUsingFeatures::Feature::DeviceMotionInsecureHost);
if (document()
.frame()
->settings()
->getStrictPowerfulFeatureRestrictions())
return;
}
}
if (!m_hasEventListener)
Platform::current()->recordRapporURL("DeviceSensors.DeviceMotion",
WebURL(document().url()));
DeviceSingleWindowEventController::didAddEventListener(window, eventType);
}
bool DeviceMotionController::hasLastData() {
return DeviceMotionDispatcher::instance().latestDeviceMotionData();
}
void DeviceMotionController::registerWithDispatcher() {
DeviceMotionDispatcher::instance().addController(this);
}
void DeviceMotionController::unregisterWithDispatcher() {
DeviceMotionDispatcher::instance().removeController(this);
}
Event* DeviceMotionController::lastEvent() const {
return DeviceMotionEvent::create(
EventTypeNames::devicemotion,
DeviceMotionDispatcher::instance().latestDeviceMotionData());
}
bool DeviceMotionController::isNullEvent(Event* event) const {
DeviceMotionEvent* motionEvent = toDeviceMotionEvent(event);
return !motionEvent->getDeviceMotionData()->canProvideEventData();
}
const AtomicString& DeviceMotionController::eventTypeName() const {
return EventTypeNames::devicemotion;
}
DEFINE_TRACE(DeviceMotionController) {
DeviceSingleWindowEventController::trace(visitor);
Supplement<Document>::trace(visitor);
}
} // namespace blink
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