| /* |
| * Copyright (C) 2017-2018 Igalia S.L. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "NavigatorWebVR.h" |
| |
| #include "Document.h" |
| #include "JSDOMPromiseDeferred.h" |
| #include "JSVRDisplay.h" |
| #include "Navigator.h" |
| #include "RuntimeEnabledFeatures.h" |
| #include "VRDisplay.h" |
| #include "VRManager.h" |
| #include "VRPlatformDisplay.h" |
| |
| namespace WebCore { |
| |
| void NavigatorWebVR::getVRDisplays(Navigator& navigator, Document& document, GetVRDisplaysPromise&& promise) |
| { |
| if (!RuntimeEnabledFeatures::sharedFeatures().webVREnabled()) { |
| promise.reject(); |
| return; |
| } |
| NavigatorWebVR::from(&navigator)->getVRDisplays(document, WTFMove(promise)); |
| } |
| |
| void NavigatorWebVR::getVRDisplays(Document& document, GetVRDisplaysPromise&& promise) |
| { |
| document.postTask([this, promise = WTFMove(promise)] (ScriptExecutionContext& context) mutable { |
| Optional<VRManager::VRDisplaysVector> platformDisplays = VRManager::singleton().getVRDisplays(); |
| if (!platformDisplays) { |
| promise.reject(); |
| m_displays.clear(); |
| return; |
| } |
| |
| Vector<Ref<VRDisplay>> oldDisplays = WTFMove(m_displays); |
| |
| // Update the vector of displays. Note that although this is O(n^2) the amount of expected |
| // VRDisplays is so reduced that it'll run fast enough. |
| for (auto& platformDisplay : platformDisplays.value()) { |
| bool newDisplay = true; |
| for (auto& oldDisplay : oldDisplays) { |
| if (platformDisplay->getDisplayInfo().displayIdentifier() == oldDisplay->displayId()) { |
| newDisplay = false; |
| m_displays.append(oldDisplay.copyRef()); |
| break; |
| } |
| } |
| if (newDisplay) { |
| m_displays.append(VRDisplay::create(context, WTFMove(platformDisplay))); |
| m_displays.last()->platformDisplayConnected(); |
| } |
| } |
| promise.resolve(WTF::map(m_displays, [](const Ref<VRDisplay>& display) { |
| return display.copyRef(); |
| })); |
| }); |
| } |
| |
| const Vector<RefPtr<VRDisplay>>& NavigatorWebVR::activeVRDisplays(Navigator&) |
| { |
| static auto mockVector = makeNeverDestroyed(Vector<RefPtr<VRDisplay>> { }); |
| return mockVector; |
| } |
| |
| const char* NavigatorWebVR::supplementName() |
| { |
| return "NavigatorWebVR"; |
| } |
| |
| NavigatorWebVR* NavigatorWebVR::from(Navigator* navigator) |
| { |
| NavigatorWebVR* supplement = static_cast<NavigatorWebVR*>(Supplement<Navigator>::from(navigator, supplementName())); |
| if (!supplement) { |
| auto newSupplement = makeUnique<NavigatorWebVR>(); |
| supplement = newSupplement.get(); |
| provideTo(navigator, supplementName(), WTFMove(newSupplement)); |
| } |
| return supplement; |
| } |
| |
| } // namespace WebCore |