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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://drafts.csswg.org/web-animations/#the-keyframeeffect-interfaces
+ *
+ * Copyright © 2015 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+enum IterationCompositeOperation {
+ "replace",
+ "accumulate"
+};
+
+dictionary KeyframeEffectOptions : EffectTiming {
+ [Pref="dom.animations-api.compositing.enabled"]
+ IterationCompositeOperation iterationComposite = "replace";
+ [Pref="dom.animations-api.compositing.enabled"]
+ CompositeOperation composite = "replace";
+ DOMString? pseudoElement = null;
+};
+
+// KeyframeEffect should run in the caller's compartment to do custom
+// processing on the `keyframes` object.
+[Func="Document::IsWebAnimationsEnabled",
+ RunConstructorInCallerCompartment,
+ Exposed=Window]
+interface KeyframeEffect : AnimationEffect {
+ [Throws]
+ constructor(Element? target,
+ object? keyframes,
+ optional (unrestricted double or KeyframeEffectOptions) options = {});
+ [Throws]
+ constructor(KeyframeEffect source);
+
+ attribute Element? target;
+ [SetterThrows] attribute DOMString? pseudoElement;
+ [Pref="dom.animations-api.compositing.enabled"]
+ attribute IterationCompositeOperation iterationComposite;
+ [Pref="dom.animations-api.compositing.enabled"]
+ attribute CompositeOperation composite;
+ [Throws] sequence<object> getKeyframes();
+ [Throws] undefined setKeyframes(object? keyframes);
+};
+
+// Non-standard extensions
+dictionary AnimationPropertyValueDetails {
+ required double offset;
+ UTF8String value;
+ UTF8String easing;
+ required CompositeOperation composite;
+};
+
+dictionary AnimationPropertyDetails {
+ required DOMString property;
+ required boolean runningOnCompositor;
+ DOMString warning;
+ required sequence<AnimationPropertyValueDetails> values;
+};
+
+partial interface KeyframeEffect {
+ [ChromeOnly, Throws] sequence<AnimationPropertyDetails> getProperties();
+};