зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.4 KiB
C++
53 строки
1.4 KiB
C++
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AnimationTimeline.h"
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#include "mozilla/dom/AnimationTimelineBinding.h"
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#include "nsContentUtils.h"
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#include "nsIPresShell.h"
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#include "nsPresContext.h"
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#include "nsRefreshDriver.h"
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#include "nsDOMNavigationTiming.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AnimationTimeline, mDocument)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(AnimationTimeline, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(AnimationTimeline, Release)
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JSObject*
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AnimationTimeline::WrapObject(JSContext* aCx)
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{
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return AnimationTimelineBinding::Wrap(aCx, this);
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}
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Nullable<double>
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AnimationTimeline::GetCurrentTime() const
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{
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Nullable<double> result; // Default ctor initializes to null
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nsIPresShell* presShell = mDocument->GetShell();
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if (!presShell)
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return result;
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nsPresContext* presContext = presShell->GetPresContext();
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if (!presContext)
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return result;
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nsRefPtr<nsDOMNavigationTiming> timing = mDocument->GetNavigationTiming();
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if (!timing)
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return result;
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TimeStamp now = presContext->RefreshDriver()->MostRecentRefresh();
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result.SetValue(timing->TimeStampToDOMHighRes(now));
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return result;
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}
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} // namespace dom
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} // namespace mozilla
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