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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/animation/PendingAnimationTracker.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/animation/PendingAnimationTracker.h')
-rw-r--r--dom/animation/PendingAnimationTracker.h84
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diff --git a/dom/animation/PendingAnimationTracker.h b/dom/animation/PendingAnimationTracker.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_PendingAnimationTracker_h
+#define mozilla_dom_PendingAnimationTracker_h
+
+#include "mozilla/dom/Animation.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIDocument.h"
+#include "nsTHashtable.h"
+
+class nsIFrame;
+
+namespace mozilla {
+
+class PendingAnimationTracker final
+{
+public:
+ explicit PendingAnimationTracker(nsIDocument* aDocument)
+ : mDocument(aDocument)
+ { }
+
+ NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PendingAnimationTracker)
+ NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(PendingAnimationTracker)
+
+ void AddPlayPending(dom::Animation& aAnimation)
+ {
+ MOZ_ASSERT(!IsWaitingToPause(aAnimation),
+ "Animation is already waiting to pause");
+ AddPending(aAnimation, mPlayPendingSet);
+ }
+ void RemovePlayPending(dom::Animation& aAnimation)
+ {
+ RemovePending(aAnimation, mPlayPendingSet);
+ }
+ bool IsWaitingToPlay(const dom::Animation& aAnimation) const
+ {
+ return IsWaiting(aAnimation, mPlayPendingSet);
+ }
+
+ void AddPausePending(dom::Animation& aAnimation)
+ {
+ MOZ_ASSERT(!IsWaitingToPlay(aAnimation),
+ "Animation is already waiting to play");
+ AddPending(aAnimation, mPausePendingSet);
+ }
+ void RemovePausePending(dom::Animation& aAnimation)
+ {
+ RemovePending(aAnimation, mPausePendingSet);
+ }
+ bool IsWaitingToPause(const dom::Animation& aAnimation) const
+ {
+ return IsWaiting(aAnimation, mPausePendingSet);
+ }
+
+ void TriggerPendingAnimationsOnNextTick(const TimeStamp& aReadyTime);
+ void TriggerPendingAnimationsNow();
+ bool HasPendingAnimations() const {
+ return mPlayPendingSet.Count() > 0 || mPausePendingSet.Count() > 0;
+ }
+
+private:
+ ~PendingAnimationTracker() { }
+
+ void EnsurePaintIsScheduled();
+
+ typedef nsTHashtable<nsRefPtrHashKey<dom::Animation>> AnimationSet;
+
+ void AddPending(dom::Animation& aAnimation, AnimationSet& aSet);
+ void RemovePending(dom::Animation& aAnimation, AnimationSet& aSet);
+ bool IsWaiting(const dom::Animation& aAnimation,
+ const AnimationSet& aSet) const;
+
+ AnimationSet mPlayPendingSet;
+ AnimationSet mPausePendingSet;
+ nsCOMPtr<nsIDocument> mDocument;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_dom_PendingAnimationTracker_h