| // Copyright 2015 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/vr/NavigatorVR.h" |
| |
| #include "bindings/core/v8/ScriptPromiseResolver.h" |
| #include "core/dom/DOMException.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/DocumentUserGestureToken.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/frame/LocalDOMWindow.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/frame/Navigator.h" |
| #include "core/frame/UseCounter.h" |
| #include "core/page/Page.h" |
| #include "modules/vr/VRController.h" |
| #include "modules/vr/VRDisplay.h" |
| #include "modules/vr/VRGetDevicesCallback.h" |
| #include "modules/vr/VRPose.h" |
| #include "platform/UserGestureIndicator.h" |
| #include "public/platform/Platform.h" |
| #include "wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| NavigatorVR* NavigatorVR::from(Document& document) { |
| if (!document.frame() || !document.frame()->domWindow()) |
| return 0; |
| Navigator& navigator = *document.frame()->domWindow()->navigator(); |
| return &from(navigator); |
| } |
| |
| NavigatorVR& NavigatorVR::from(Navigator& navigator) { |
| NavigatorVR* supplement = static_cast<NavigatorVR*>( |
| Supplement<Navigator>::from(navigator, supplementName())); |
| if (!supplement) { |
| supplement = new NavigatorVR(navigator.frame()); |
| provideTo(navigator, supplementName(), supplement); |
| } |
| return *supplement; |
| } |
| |
| ScriptPromise NavigatorVR::getVRDisplays(ScriptState* scriptState, |
| Navigator& navigator) { |
| return NavigatorVR::from(navigator).getVRDisplays(scriptState); |
| } |
| |
| ScriptPromise NavigatorVR::getVRDisplays(ScriptState* scriptState) { |
| ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState); |
| ScriptPromise promise = resolver->promise(); |
| |
| Document* document = frame() ? frame()->document() : 0; |
| |
| if (!document || !controller()) { |
| DOMException* exception = DOMException::create( |
| InvalidStateError, "The object is no longer associated to a document."); |
| resolver->reject(exception); |
| return promise; |
| } |
| |
| UseCounter::count(*document, UseCounter::VRGetDisplays); |
| ExecutionContext* executionContext = scriptState->getExecutionContext(); |
| String errorMessage; |
| if (!executionContext->isSecureContext(errorMessage)) |
| UseCounter::count(*document, UseCounter::VRGetDisplaysInsecureOrigin); |
| |
| Platform::current()->recordRapporURL("VR.WebVR.GetDisplays", document->url()); |
| |
| controller()->getDisplays(resolver); |
| |
| return promise; |
| } |
| |
| VRController* NavigatorVR::controller() { |
| if (!frame()) |
| return 0; |
| |
| if (!m_controller) { |
| m_controller = new VRController(this); |
| } |
| |
| return m_controller; |
| } |
| |
| Document* NavigatorVR::document() { |
| return frame() ? frame()->document() : 0; |
| } |
| |
| DEFINE_TRACE(NavigatorVR) { |
| visitor->trace(m_controller); |
| |
| Supplement<Navigator>::trace(visitor); |
| DOMWindowProperty::trace(visitor); |
| } |
| |
| NavigatorVR::NavigatorVR(LocalFrame* frame) : DOMWindowProperty(frame) { |
| frame->localDOMWindow()->registerEventListenerObserver(this); |
| } |
| |
| NavigatorVR::~NavigatorVR() {} |
| |
| const char* NavigatorVR::supplementName() { |
| return "NavigatorVR"; |
| } |
| |
| void NavigatorVR::enqueueVREvent(VRDisplayEvent* event) { |
| if (frame() && frame()->localDOMWindow()) { |
| frame()->localDOMWindow()->enqueueWindowEvent(event); |
| } |
| } |
| |
| void NavigatorVR::dispatchVRGestureEvent(VRDisplayEvent* event) { |
| if (frame() && frame()->localDOMWindow()) { |
| UserGestureIndicator gestureIndicator( |
| DocumentUserGestureToken::create(frame()->document())); |
| event->setTarget(frame()->localDOMWindow()); |
| frame()->localDOMWindow()->dispatchEvent(event); |
| } |
| } |
| |
| void NavigatorVR::didAddEventListener(LocalDOMWindow* window, |
| const AtomicString& eventType) { |
| if (eventType == EventTypeNames::vrdisplayactivate) { |
| controller()->setListeningForActivate(true); |
| } else if (eventType == EventTypeNames::vrdisplayconnect) { |
| // If the page is listening for connection events make sure we've created a |
| // controller so that we'll be notified of new devices. |
| controller(); |
| } |
| } |
| |
| void NavigatorVR::didRemoveEventListener(LocalDOMWindow* window, |
| const AtomicString& eventType) { |
| if (eventType == EventTypeNames::vrdisplayactivate && |
| !window->hasEventListeners(EventTypeNames::vrdisplayactivate)) { |
| controller()->setListeningForActivate(false); |
| } |
| } |
| |
| void NavigatorVR::didRemoveAllEventListeners(LocalDOMWindow* window) { |
| if (m_controller) { |
| m_controller->setListeningForActivate(false); |
| } |
| } |
| |
| } // namespace blink |