Andrew Zambazos
114 lines
3.8 KiB
JavaScript
114 lines
3.8 KiB
JavaScript
/*
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* Copyright (C) 2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.AnimationCollection = class AnimationCollection extends WI.Collection
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{
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constructor(animationType)
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{
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console.assert(!animationType || Object.values(WI.Animation.Type).includes(animationType));
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super();
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this._animationType = animationType || null;
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if (!this._animationType)
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this._animationCollectionForTypeMap = null;
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}
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// Public
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get animationType() { return this._animationType; }
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get displayName()
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{
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if (this._animationType) {
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const plural = true;
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return WI.Animation.displayNameForType(this._animationType, plural);
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}
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return WI.UIString("Web Animations");
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}
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objectIsRequiredType(object)
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{
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if (!(object instanceof WI.Animation))
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return false;
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return !this._animationType || object.animationType === this._animationType;
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}
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animationCollectionForType(animationType)
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{
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console.assert(Object.values(WI.Animation.Type).includes(animationType));
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if (this._animationType) {
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console.assert(animationType === this._animationType);
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return this;
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}
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if (!this._animationCollectionForTypeMap)
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this._animationCollectionForTypeMap = new Map;
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let animationCollectionForType = this._animationCollectionForTypeMap.get(animationType);
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if (!animationCollectionForType) {
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animationCollectionForType = new WI.AnimationCollection(animationType);
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this._animationCollectionForTypeMap.set(animationType, animationCollectionForType);
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}
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return animationCollectionForType;
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}
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// Protected
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itemAdded(item)
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{
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super.itemAdded(item);
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if (!this._animationType) {
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let animationCollectionForType = this.animationCollectionForType(item.animationType);
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animationCollectionForType.add(item);
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}
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}
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itemRemoved(item)
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{
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if (!this._animationType) {
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let animationCollectionForType = this.animationCollectionForType(item.animationType);
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animationCollectionForType.remove(item);
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}
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super.itemRemoved(item);
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}
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itemsCleared(items)
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{
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if (this._animationCollectionForTypeMap) {
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for (let animationCollectionForType of this._animationCollectionForTypeMap.values())
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animationCollectionForType.clear();
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}
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super.itemsCleared(items);
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}
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};
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