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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 "third_party/blink/renderer/modules/device_orientation/device_motion_controller.h"
#include "third_party/blink/public/mojom/feature_policy/feature_policy_feature.mojom-blink.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/deprecation.h"
#include "third_party/blink/renderer/core/frame/hosts_using_features.h"
#include "third_party/blink/renderer/core/frame/settings.h"
#include "third_party/blink/renderer/modules/device_orientation/device_motion_data.h"
#include "third_party/blink/renderer/modules/device_orientation/device_motion_event.h"
#include "third_party/blink/renderer/modules/device_orientation/device_motion_event_pump.h"
#include "third_party/blink/renderer/modules/device_orientation/device_orientation_controller.h"
#include "third_party/blink/renderer/modules/event_modules.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
namespace blink {
DeviceMotionController::DeviceMotionController(Document& document)
: DeviceSingleWindowEventController(document),
Supplement<Document>(document) {}
DeviceMotionController::~DeviceMotionController() = default;
const char DeviceMotionController::kSupplementName[] = "DeviceMotionController";
DeviceMotionController& DeviceMotionController::From(Document& document) {
DeviceMotionController* controller =
Supplement<Document>::From<DeviceMotionController>(document);
if (!controller) {
controller = MakeGarbageCollected<DeviceMotionController>(document);
ProvideTo(document, controller);
}
return *controller;
}
void DeviceMotionController::DidAddEventListener(
LocalDOMWindow* window,
const AtomicString& event_type) {
if (event_type != EventTypeName())
return;
// The document could be detached, e.g. if it is the `contentDocument` of an
// <iframe> that has been removed from the DOM of its parent frame.
if (GetDocument().IsContextDestroyed())
return;
// The API is not exposed to Workers or Worklets, so if the current realm
// execution context is valid, it must have a responsible browsing context.
SECURITY_CHECK(GetDocument().GetFrame());
// The event handler property on `window` is restricted to [SecureContext],
// but nothing prevents a site from calling `window.addEventListener(...)`
// from a non-secure browsing context.
if (!GetDocument().IsSecureContext())
return;
UseCounter::Count(GetDocument(), WebFeature::kDeviceMotionSecureOrigin);
if (!has_event_listener_) {
Platform::Current()->RecordRapporURL("DeviceSensors.DeviceMotion",
WebURL(GetDocument().Url()));
if (!IsSameSecurityOriginAsMainFrame()) {
Platform::Current()->RecordRapporURL(
"DeviceSensors.DeviceMotionCrossOrigin", WebURL(GetDocument().Url()));
}
if (!CheckPolicyFeatures({mojom::FeaturePolicyFeature::kAccelerometer,
mojom::FeaturePolicyFeature::kGyroscope})) {
DeviceOrientationController::LogToConsolePolicyFeaturesDisabled(
GetDocument().GetFrame(), EventTypeName());
return;
}
}
DeviceSingleWindowEventController::DidAddEventListener(window, event_type);
}
bool DeviceMotionController::HasLastData() {
return motion_event_pump_
? motion_event_pump_->LatestDeviceMotionData() != nullptr
: false;
}
void DeviceMotionController::RegisterWithDispatcher() {
if (!motion_event_pump_) {
LocalFrame* frame = GetDocument().GetFrame();
if (!frame)
return;
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
frame->GetTaskRunner(TaskType::kSensor);
motion_event_pump_ =
MakeGarbageCollected<DeviceMotionEventPump>(task_runner);
}
motion_event_pump_->SetController(this);
}
void DeviceMotionController::UnregisterWithDispatcher() {
if (motion_event_pump_)
motion_event_pump_->RemoveController();
}
Event* DeviceMotionController::LastEvent() const {
return DeviceMotionEvent::Create(
event_type_names::kDevicemotion,
motion_event_pump_ ? motion_event_pump_->LatestDeviceMotionData()
: nullptr);
}
bool DeviceMotionController::IsNullEvent(Event* event) const {
DeviceMotionEvent* motion_event = ToDeviceMotionEvent(event);
return !motion_event->GetDeviceMotionData()->CanProvideEventData();
}
const AtomicString& DeviceMotionController::EventTypeName() const {
return event_type_names::kDevicemotion;
}
void DeviceMotionController::Trace(blink::Visitor* visitor) {
DeviceSingleWindowEventController::Trace(visitor);
visitor->Trace(motion_event_pump_);
Supplement<Document>::Trace(visitor);
}
} // namespace blink
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