mirror of
https://github.com/NativeScript/NativeScript.git
synced 2025-08-15 11:01:21 +08:00
719 lines
28 KiB
TypeScript
719 lines
28 KiB
TypeScript
// Types
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import { AnimationDefinitionInternal, AnimationPromise, IOSView, PropertyAnimation, PropertyAnimationInfo } from './animation-common';
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import { View } from '../core/view';
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// Requires
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import { AnimationBase, Properties, CubicBezierAnimationCurve } from './animation-common';
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import { Trace } from '../../trace';
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import { opacityProperty, backgroundColorProperty, rotateProperty, rotateXProperty, rotateYProperty, translateXProperty, translateYProperty, scaleXProperty, scaleYProperty, heightProperty, widthProperty, PercentLength } from '../styling/style-properties';
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import { iOSNativeHelper } from '../../utils/native-helper';
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import { Screen } from '../../platform';
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export * from './animation-common';
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export { KeyframeAnimation, KeyframeAnimationInfo, KeyframeDeclaration, KeyframeInfo } from './keyframe-animation';
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const _transform = '_transform';
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const _skip = '_skip';
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const FLT_MAX = 340282346638528859811704183484516925440.0;
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class AnimationInfo {
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public propertyNameToAnimate: string;
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public subPropertiesToAnimate?: string[];
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public fromValue: any;
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public toValue: any;
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public duration: number;
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public repeatCount: number;
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public delay: number;
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}
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@NativeClass
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class AnimationDelegateImpl extends NSObject implements CAAnimationDelegate {
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public nextAnimation: Function;
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// The CAAnimationDelegate protocol has been introduced in the iOS 10 SDK
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static ObjCProtocols = (<any>global).CAAnimationDelegate ? [(<any>global).CAAnimationDelegate] : [];
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private _finishedCallback: Function;
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private _propertyAnimation: PropertyAnimationInfo;
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private _valueSource: 'animation' | 'keyframe';
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public static initWithFinishedCallback(finishedCallback: Function, propertyAnimation: PropertyAnimationInfo, valueSource: 'animation' | 'keyframe'): AnimationDelegateImpl {
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const delegate = <AnimationDelegateImpl>AnimationDelegateImpl.new();
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delegate._finishedCallback = finishedCallback;
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delegate._propertyAnimation = propertyAnimation;
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delegate._valueSource = valueSource;
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return delegate;
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}
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animationDidStart(anim: CAAnimation): void {
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const value = this._propertyAnimation.value;
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const setLocal = this._valueSource === 'animation';
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const targetStyle = this._propertyAnimation.target.style;
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(<IOSView>this._propertyAnimation.target)._suspendPresentationLayerUpdates();
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switch (this._propertyAnimation.property) {
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case Properties.backgroundColor:
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targetStyle[setLocal ? backgroundColorProperty.name : backgroundColorProperty.keyframe] = value;
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break;
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case Properties.opacity:
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targetStyle[setLocal ? opacityProperty.name : opacityProperty.keyframe] = value;
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break;
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case Properties.rotate:
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targetStyle[setLocal ? rotateXProperty.name : rotateXProperty.keyframe] = value.x;
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targetStyle[setLocal ? rotateYProperty.name : rotateYProperty.keyframe] = value.y;
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targetStyle[setLocal ? rotateProperty.name : rotateProperty.keyframe] = value.z;
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break;
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case Properties.translate:
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targetStyle[setLocal ? translateXProperty.name : translateXProperty.keyframe] = value.x;
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targetStyle[setLocal ? translateYProperty.name : translateYProperty.keyframe] = value.y;
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break;
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case Properties.height:
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targetStyle[setLocal ? heightProperty.name : heightProperty.keyframe] = value;
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break;
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case Properties.width:
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targetStyle[setLocal ? widthProperty.name : widthProperty.keyframe] = value;
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break;
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case Properties.scale:
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targetStyle[setLocal ? scaleXProperty.name : scaleXProperty.keyframe] = value.x === 0 ? 0.001 : value.x;
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targetStyle[setLocal ? scaleYProperty.name : scaleYProperty.keyframe] = value.y === 0 ? 0.001 : value.y;
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break;
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case _transform:
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if (value[Properties.translate] !== undefined) {
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targetStyle[setLocal ? translateXProperty.name : translateXProperty.keyframe] = value[Properties.translate].x;
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targetStyle[setLocal ? translateYProperty.name : translateYProperty.keyframe] = value[Properties.translate].y;
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}
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if (value[Properties.rotate] !== undefined) {
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targetStyle[setLocal ? rotateXProperty.name : rotateXProperty.keyframe] = value[Properties.rotate].x;
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targetStyle[setLocal ? rotateYProperty.name : rotateYProperty.keyframe] = value[Properties.rotate].y;
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targetStyle[setLocal ? rotateProperty.name : rotateProperty.keyframe] = value[Properties.rotate].z;
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}
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if (value[Properties.scale] !== undefined) {
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const x = value[Properties.scale].x;
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const y = value[Properties.scale].y;
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targetStyle[setLocal ? scaleXProperty.name : scaleXProperty.keyframe] = x === 0 ? 0.001 : x;
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targetStyle[setLocal ? scaleYProperty.name : scaleYProperty.keyframe] = y === 0 ? 0.001 : y;
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}
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break;
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}
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(<IOSView>this._propertyAnimation.target)._resumePresentationLayerUpdates();
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}
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public animationDidStopFinished(anim: CAAnimation, finished: boolean): void {
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if (this._finishedCallback) {
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this._finishedCallback(!finished);
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}
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if (finished && this.nextAnimation) {
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this.nextAnimation();
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}
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}
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}
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export function _resolveAnimationCurve(curve: string | CubicBezierAnimationCurve | CAMediaTimingFunction): CAMediaTimingFunction | string {
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switch (curve) {
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case 'easeIn':
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return CAMediaTimingFunction.functionWithName(kCAMediaTimingFunctionEaseIn);
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case 'easeOut':
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return CAMediaTimingFunction.functionWithName(kCAMediaTimingFunctionEaseOut);
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case 'easeInOut':
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return CAMediaTimingFunction.functionWithName(kCAMediaTimingFunctionEaseInEaseOut);
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case 'linear':
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return CAMediaTimingFunction.functionWithName(kCAMediaTimingFunctionLinear);
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case 'spring':
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return curve;
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case 'ease':
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return CAMediaTimingFunction.functionWithControlPoints(0.25, 0.1, 0.25, 1.0);
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default:
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if (curve instanceof CAMediaTimingFunction) {
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return curve;
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} else if (curve instanceof CubicBezierAnimationCurve) {
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const animationCurve = <CubicBezierAnimationCurve>curve;
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return CAMediaTimingFunction.functionWithControlPoints(animationCurve.x1, animationCurve.y1, animationCurve.x2, animationCurve.y2);
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} else {
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throw new Error(`Invalid animation curve: ${curve}`);
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}
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}
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}
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export class Animation extends AnimationBase {
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private _iOSAnimationFunction: Function;
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private _finishedAnimations: number;
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private _cancelledAnimations: number;
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private _mergedPropertyAnimations: Array<PropertyAnimationInfo>;
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private _valueSource: 'animation' | 'keyframe';
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constructor(animationDefinitions: Array<AnimationDefinitionInternal>, playSequentially?: boolean) {
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super(animationDefinitions, playSequentially);
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this._valueSource = 'animation';
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if (animationDefinitions.length > 0 && animationDefinitions[0].valueSource !== undefined) {
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this._valueSource = animationDefinitions[0].valueSource;
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}
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if (!playSequentially) {
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if (Trace.isEnabled()) {
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Trace.write('Non-merged Property Animations: ' + this._propertyAnimations.length, Trace.categories.Animation);
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}
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this._mergedPropertyAnimations = Animation._mergeAffineTransformAnimations(this._propertyAnimations);
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if (Trace.isEnabled()) {
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Trace.write('Merged Property Animations: ' + this._mergedPropertyAnimations.length, Trace.categories.Animation);
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}
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} else {
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this._mergedPropertyAnimations = this._propertyAnimations;
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}
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const that = this;
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const animationFinishedCallback = (cancelled: boolean) => {
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if (that._playSequentially) {
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// This function will be called by the last animation when done or by another animation if the user cancels them halfway through.
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if (cancelled) {
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that._rejectAnimationFinishedPromise();
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} else {
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that._resolveAnimationFinishedPromise();
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}
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} else {
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// This callback will be called by each INDIVIDUAL animation when it finishes or is cancelled.
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if (cancelled) {
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that._cancelledAnimations++;
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} else {
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that._finishedAnimations++;
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}
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if (that._cancelledAnimations > 0 && that._cancelledAnimations + that._finishedAnimations === that._mergedPropertyAnimations.length) {
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if (Trace.isEnabled()) {
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Trace.write(that._cancelledAnimations + ' animations cancelled.', Trace.categories.Animation);
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}
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that._rejectAnimationFinishedPromise();
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} else if (that._finishedAnimations === that._mergedPropertyAnimations.length) {
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if (Trace.isEnabled()) {
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Trace.write(that._finishedAnimations + ' animations finished.', Trace.categories.Animation);
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}
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that._resolveAnimationFinishedPromise();
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}
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}
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};
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this._iOSAnimationFunction = Animation._createiOSAnimationFunction(this._mergedPropertyAnimations, 0, this._playSequentially, this._valueSource, animationFinishedCallback);
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}
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public play(): AnimationPromise {
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if (this.isPlaying) {
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return this._rejectAlreadyPlaying();
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}
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const animationFinishedPromise = super.play();
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this._finishedAnimations = 0;
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this._cancelledAnimations = 0;
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this._iOSAnimationFunction();
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return animationFinishedPromise;
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}
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public cancel(): void {
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if (!this.isPlaying) {
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Trace.write('Animation is not currently playing.', Trace.categories.Animation, Trace.messageType.warn);
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return;
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}
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let i = 0;
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const length = this._mergedPropertyAnimations.length;
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for (; i < length; i++) {
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const propertyAnimation = this._mergedPropertyAnimations[i];
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propertyAnimation.target.nativeViewProtected.layer.removeAllAnimations();
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if (propertyAnimation._propertyResetCallback) {
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propertyAnimation._propertyResetCallback(propertyAnimation._originalValue, this._valueSource);
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}
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}
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}
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public _resolveAnimationCurve(curve: string | CubicBezierAnimationCurve | CAMediaTimingFunction): CAMediaTimingFunction | string {
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return _resolveAnimationCurve(curve);
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}
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private static _createiOSAnimationFunction(propertyAnimations: Array<PropertyAnimation>, index: number, playSequentially: boolean, valueSource: 'animation' | 'keyframe', finishedCallback: (cancelled?: boolean) => void): Function {
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return (cancelled?: boolean) => {
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if (cancelled && finishedCallback) {
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if (Trace.isEnabled()) {
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Trace.write('Animation ' + (index - 1).toString() + ' was cancelled. Will skip the rest of animations and call finishedCallback(true).', Trace.categories.Animation);
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}
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finishedCallback(cancelled);
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return;
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}
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const animation = propertyAnimations[index];
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const args = Animation._getNativeAnimationArguments(animation, valueSource);
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if (animation.curve === 'spring') {
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Animation._createNativeSpringAnimation(propertyAnimations, index, playSequentially, args, animation, valueSource, finishedCallback);
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} else {
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Animation._createNativeAnimation(propertyAnimations, index, playSequentially, args, animation, valueSource, finishedCallback);
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}
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};
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}
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private static _getNativeAnimationArguments(animation: PropertyAnimationInfo, valueSource: 'animation' | 'keyframe'): AnimationInfo {
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const view = animation.target;
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const style = view.style;
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const nativeView = <UIView>view.nativeViewProtected;
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const parent = view.parent as View;
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let propertyNameToAnimate = animation.property;
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let subPropertyNameToAnimate;
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let toValue = animation.value;
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let fromValue;
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const setLocal = valueSource === 'animation';
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switch (animation.property) {
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case Properties.backgroundColor:
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animation._originalValue = view.backgroundColor;
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animation._propertyResetCallback = (value, valueSource) => {
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style[setLocal ? backgroundColorProperty.name : backgroundColorProperty.keyframe] = value;
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};
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fromValue = nativeView.layer.backgroundColor;
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if (nativeView instanceof UILabel) {
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nativeView.setValueForKey(UIColor.clearColor, 'backgroundColor');
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}
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toValue = toValue.CGColor;
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break;
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case Properties.opacity:
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animation._originalValue = view.opacity;
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animation._propertyResetCallback = (value, valueSource) => {
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style[setLocal ? opacityProperty.name : opacityProperty.keyframe] = value;
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};
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fromValue = nativeView.layer.opacity;
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break;
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case Properties.rotate:
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animation._originalValue = {
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x: view.rotateX,
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y: view.rotateY,
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z: view.rotate,
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};
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animation._propertyResetCallback = (value, valueSource) => {
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style[setLocal ? rotateProperty.name : rotateProperty.keyframe] = value.z;
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style[setLocal ? rotateXProperty.name : rotateXProperty.keyframe] = value.x;
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style[setLocal ? rotateYProperty.name : rotateYProperty.keyframe] = value.y;
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};
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propertyNameToAnimate = 'transform.rotation';
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subPropertyNameToAnimate = ['x', 'y', 'z'];
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fromValue = {
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x: nativeView.layer.valueForKeyPath('transform.rotation.x'),
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y: nativeView.layer.valueForKeyPath('transform.rotation.y'),
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z: nativeView.layer.valueForKeyPath('transform.rotation.z'),
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};
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if (animation.target.rotateX !== undefined && animation.target.rotateX !== 0 && Math.floor(toValue / 360) - toValue / 360 === 0) {
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fromValue.x = (animation.target.rotateX * Math.PI) / 180;
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}
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if (animation.target.rotateY !== undefined && animation.target.rotateY !== 0 && Math.floor(toValue / 360) - toValue / 360 === 0) {
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fromValue.y = (animation.target.rotateY * Math.PI) / 180;
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}
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if (animation.target.rotate !== undefined && animation.target.rotate !== 0 && Math.floor(toValue / 360) - toValue / 360 === 0) {
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fromValue.z = (animation.target.rotate * Math.PI) / 180;
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}
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// Respect only value.z for back-compat until 3D rotations are implemented
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toValue = {
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x: (toValue.x * Math.PI) / 180,
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y: (toValue.y * Math.PI) / 180,
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z: (toValue.z * Math.PI) / 180,
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};
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break;
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case Properties.translate:
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animation._originalValue = {
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x: view.translateX,
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y: view.translateY,
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};
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animation._propertyResetCallback = (value, valueSource) => {
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style[setLocal ? translateXProperty.name : translateXProperty.keyframe] = value.x;
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style[setLocal ? translateYProperty.name : translateYProperty.keyframe] = value.y;
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};
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propertyNameToAnimate = 'transform';
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fromValue = NSValue.valueWithCATransform3D(nativeView.layer.transform);
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toValue = NSValue.valueWithCATransform3D(CATransform3DTranslate(nativeView.layer.transform, toValue.x, toValue.y, 0));
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break;
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case Properties.scale:
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if (toValue.x === 0) {
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toValue.x = 0.001;
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}
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if (toValue.y === 0) {
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toValue.y = 0.001;
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}
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animation._originalValue = { x: view.scaleX, y: view.scaleY };
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animation._propertyResetCallback = (value, valueSource) => {
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style[setLocal ? scaleXProperty.name : scaleXProperty.keyframe] = value.x;
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style[setLocal ? scaleYProperty.name : scaleYProperty.keyframe] = value.y;
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};
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propertyNameToAnimate = 'transform';
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fromValue = NSValue.valueWithCATransform3D(nativeView.layer.transform);
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toValue = NSValue.valueWithCATransform3D(CATransform3DScale(nativeView.layer.transform, toValue.x, toValue.y, 1));
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break;
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case _transform:
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fromValue = NSValue.valueWithCATransform3D(nativeView.layer.transform);
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animation._originalValue = {
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xs: view.scaleX,
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ys: view.scaleY,
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xt: view.translateX,
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yt: view.translateY,
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rx: view.rotateX,
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ry: view.rotateY,
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rz: view.rotate,
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};
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animation._propertyResetCallback = (value, valueSource) => {
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style[setLocal ? translateXProperty.name : translateXProperty.keyframe] = value.xt;
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style[setLocal ? translateYProperty.name : translateYProperty.keyframe] = value.yt;
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style[setLocal ? scaleXProperty.name : scaleXProperty.keyframe] = value.xs;
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style[setLocal ? scaleYProperty.name : scaleYProperty.keyframe] = value.ys;
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style[setLocal ? rotateXProperty.name : rotateXProperty.keyframe] = value.rx;
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style[setLocal ? rotateYProperty.name : rotateYProperty.keyframe] = value.ry;
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style[setLocal ? rotateProperty.name : rotateProperty.keyframe] = value.rz;
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};
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propertyNameToAnimate = 'transform';
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toValue = NSValue.valueWithCATransform3D(Animation._createNativeAffineTransform(animation));
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break;
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case Properties.width:
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case Properties.height:{
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const direction: string = animation.property;
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const isHeight: boolean = direction === 'height';
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propertyNameToAnimate = 'bounds';
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if (!parent) {
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throw new Error(`cannot animate ${direction} on root view`);
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}
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const parentExtent: number = isHeight ? parent.getMeasuredHeight() : parent.getMeasuredWidth();
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const asNumber = PercentLength.toDevicePixels(PercentLength.parse(toValue), parentExtent, parentExtent) / Screen.mainScreen.scale;
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const currentBounds = nativeView.layer.bounds;
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const extentX = isHeight ? currentBounds.size.width : asNumber;
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const extentY = isHeight ? asNumber : currentBounds.size.height;
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fromValue = NSValue.valueWithCGRect(currentBounds);
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toValue = NSValue.valueWithCGRect(CGRectMake(currentBounds.origin.x, currentBounds.origin.y, extentX, extentY));
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animation._originalValue = view.height;
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animation._propertyResetCallback = (value, valueSource) => {
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const prop = isHeight ? heightProperty : widthProperty;
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style[setLocal ? prop.name : prop.keyframe] = value;
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};
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break;
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}
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default:
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throw new Error(`Animating property '${animation.property}' is unsupported`);
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}
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let duration = 0.3;
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if (animation.duration !== undefined) {
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duration = animation.duration / 1000.0;
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}
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let delay = undefined;
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if (animation.delay) {
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delay = animation.delay / 1000.0;
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}
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let repeatCount = undefined;
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if (animation.iterations !== undefined) {
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if (animation.iterations === Number.POSITIVE_INFINITY) {
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repeatCount = FLT_MAX;
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} else {
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repeatCount = animation.iterations;
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}
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}
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return {
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propertyNameToAnimate: propertyNameToAnimate,
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fromValue: fromValue,
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subPropertiesToAnimate: subPropertyNameToAnimate,
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toValue: toValue,
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duration: duration,
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repeatCount: repeatCount,
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delay: delay,
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};
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}
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private static _createNativeAnimation(propertyAnimations: Array<PropertyAnimation>, index: number, playSequentially: boolean, args: AnimationInfo, animation: PropertyAnimation, valueSource: 'animation' | 'keyframe', finishedCallback: (cancelled?: boolean) => void) {
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const nativeView = <UIView>animation.target.nativeViewProtected;
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let nativeAnimation;
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if (args.subPropertiesToAnimate) {
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nativeAnimation = this._createGroupAnimation(args, animation);
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} else {
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nativeAnimation = this._createBasicAnimation(args, animation);
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}
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const animationDelegate = AnimationDelegateImpl.initWithFinishedCallback(finishedCallback, animation, valueSource);
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nativeAnimation.setValueForKey(animationDelegate, 'delegate');
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nativeView.layer.addAnimationForKey(nativeAnimation, args.propertyNameToAnimate);
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let callback = undefined;
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if (index + 1 < propertyAnimations.length) {
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callback = Animation._createiOSAnimationFunction(propertyAnimations, index + 1, playSequentially, valueSource, finishedCallback);
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if (!playSequentially) {
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callback();
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} else {
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animationDelegate.nextAnimation = callback;
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}
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|
}
|
|
}
|
|
|
|
private static _createGroupAnimation(args: AnimationInfo, animation: PropertyAnimation) {
|
|
const groupAnimation = CAAnimationGroup.new();
|
|
groupAnimation.duration = args.duration;
|
|
const animations = NSMutableArray.alloc<CAAnimation>().initWithCapacity(3);
|
|
|
|
args.subPropertiesToAnimate.forEach((property) => {
|
|
const basicAnimationArgs = { ...args };
|
|
basicAnimationArgs.propertyNameToAnimate = `${args.propertyNameToAnimate}.${property}`;
|
|
basicAnimationArgs.fromValue = args.fromValue[property];
|
|
basicAnimationArgs.toValue = args.toValue[property];
|
|
|
|
const basicAnimation = this._createBasicAnimation(basicAnimationArgs, animation);
|
|
animations.addObject(basicAnimation);
|
|
});
|
|
|
|
groupAnimation.animations = animations;
|
|
|
|
return groupAnimation;
|
|
}
|
|
|
|
private static _createBasicAnimation(args: AnimationInfo, animation: PropertyAnimation) {
|
|
const basicAnimation = CABasicAnimation.animationWithKeyPath(args.propertyNameToAnimate);
|
|
basicAnimation.fromValue = args.fromValue;
|
|
basicAnimation.toValue = args.toValue;
|
|
basicAnimation.duration = args.duration;
|
|
if (args.repeatCount !== undefined) {
|
|
basicAnimation.repeatCount = args.repeatCount;
|
|
}
|
|
if (args.delay !== undefined) {
|
|
basicAnimation.beginTime = CACurrentMediaTime() + args.delay;
|
|
}
|
|
if (animation.curve !== undefined) {
|
|
basicAnimation.timingFunction = animation.curve;
|
|
}
|
|
|
|
return basicAnimation;
|
|
}
|
|
|
|
private static _createNativeSpringAnimation(propertyAnimations: Array<PropertyAnimationInfo>, index: number, playSequentially: boolean, args: AnimationInfo, animation: PropertyAnimationInfo, valueSource: 'animation' | 'keyframe', finishedCallback: (cancelled?: boolean) => void) {
|
|
const nativeView = <UIView>animation.target.nativeViewProtected;
|
|
|
|
let callback = undefined;
|
|
let nextAnimation;
|
|
if (index + 1 < propertyAnimations.length) {
|
|
callback = Animation._createiOSAnimationFunction(propertyAnimations, index + 1, playSequentially, valueSource, finishedCallback);
|
|
if (!playSequentially) {
|
|
callback();
|
|
} else {
|
|
nextAnimation = callback;
|
|
}
|
|
}
|
|
|
|
let delay = 0;
|
|
if (args.delay) {
|
|
delay = args.delay;
|
|
}
|
|
|
|
UIView.animateWithDurationDelayUsingSpringWithDampingInitialSpringVelocityOptionsAnimationsCompletion(
|
|
args.duration,
|
|
delay,
|
|
0.2,
|
|
0,
|
|
UIViewAnimationOptions.CurveLinear,
|
|
() => {
|
|
if (args.repeatCount !== undefined) {
|
|
UIView.setAnimationRepeatCount(args.repeatCount);
|
|
}
|
|
|
|
switch (animation.property) {
|
|
case Properties.backgroundColor:
|
|
animation.target.backgroundColor = args.toValue;
|
|
break;
|
|
case Properties.opacity:
|
|
animation.target.opacity = args.toValue;
|
|
break;
|
|
case Properties.height:
|
|
case Properties.width:
|
|
animation._originalValue = animation.target[animation.property];
|
|
nativeView.layer.setValueForKey(args.toValue, args.propertyNameToAnimate);
|
|
animation._propertyResetCallback = function (value) {
|
|
animation.target[animation.property] = value;
|
|
};
|
|
break;
|
|
case _transform:
|
|
animation._originalValue = nativeView.layer.transform;
|
|
nativeView.layer.setValueForKey(args.toValue, args.propertyNameToAnimate);
|
|
animation._propertyResetCallback = function (value) {
|
|
nativeView.layer.transform = value;
|
|
};
|
|
break;
|
|
}
|
|
},
|
|
function (animationDidFinish: boolean) {
|
|
if (animationDidFinish) {
|
|
if (animation.property === _transform) {
|
|
if (animation.value[Properties.translate] !== undefined) {
|
|
animation.target.translateX = animation.value[Properties.translate].x;
|
|
animation.target.translateY = animation.value[Properties.translate].y;
|
|
}
|
|
if (animation.value[Properties.rotate] !== undefined) {
|
|
animation.target.rotateX = animation.value[Properties.rotate].x;
|
|
animation.target.rotateY = animation.value[Properties.rotate].y;
|
|
animation.target.rotate = animation.value[Properties.rotate].z;
|
|
}
|
|
if (animation.value[Properties.scale] !== undefined) {
|
|
animation.target.scaleX = animation.value[Properties.scale].x;
|
|
animation.target.scaleY = animation.value[Properties.scale].y;
|
|
}
|
|
}
|
|
} else {
|
|
if (animation._propertyResetCallback) {
|
|
animation._propertyResetCallback(animation._originalValue);
|
|
}
|
|
}
|
|
if (finishedCallback) {
|
|
const cancelled = !animationDidFinish;
|
|
finishedCallback(cancelled);
|
|
}
|
|
if (animationDidFinish && nextAnimation) {
|
|
nextAnimation();
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
private static _createNativeAffineTransform(animation: PropertyAnimation): CATransform3D {
|
|
const value = animation.value;
|
|
let result: CATransform3D = CATransform3DIdentity;
|
|
|
|
if (value[Properties.translate] !== undefined) {
|
|
const x = value[Properties.translate].x;
|
|
const y = value[Properties.translate].y;
|
|
result = CATransform3DTranslate(result, x, y, 0);
|
|
}
|
|
|
|
if (value[Properties.scale] !== undefined) {
|
|
const x = value[Properties.scale].x;
|
|
const y = value[Properties.scale].y;
|
|
result = CATransform3DScale(result, x === 0 ? 0.001 : x, y === 0 ? 0.001 : y, 1);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
private static _isAffineTransform(property: string): boolean {
|
|
return property === _transform || property === Properties.translate || property === Properties.scale;
|
|
}
|
|
|
|
private static _canBeMerged(animation1: PropertyAnimation, animation2: PropertyAnimation) {
|
|
const result = Animation._isAffineTransform(animation1.property) && Animation._isAffineTransform(animation2.property) && animation1.target === animation2.target && animation1.duration === animation2.duration && animation1.delay === animation2.delay && animation1.iterations === animation2.iterations && animation1.curve === animation2.curve;
|
|
|
|
return result;
|
|
}
|
|
|
|
private static _mergeAffineTransformAnimations(propertyAnimations: Array<PropertyAnimation>): Array<PropertyAnimation> {
|
|
const result = new Array<PropertyAnimation>();
|
|
|
|
let i = 0;
|
|
let j;
|
|
const length = propertyAnimations.length;
|
|
for (; i < length; i++) {
|
|
if (propertyAnimations[i][_skip]) {
|
|
continue;
|
|
}
|
|
|
|
if (!Animation._isAffineTransform(propertyAnimations[i].property)) {
|
|
// This is not an affine transform animation, so there is nothing to merge.
|
|
result.push(propertyAnimations[i]);
|
|
} else {
|
|
// This animation has not been merged anywhere. Create a new transform animation.
|
|
// The value becomes a JSON object combining all affine transforms together like this:
|
|
// {
|
|
// translate: {x: 100, y: 100 },
|
|
// rotate: 90,
|
|
// scale: {x: 2, y: 2 }
|
|
// }
|
|
const newTransformAnimation: PropertyAnimation = {
|
|
target: propertyAnimations[i].target,
|
|
property: _transform,
|
|
value: {},
|
|
duration: propertyAnimations[i].duration,
|
|
delay: propertyAnimations[i].delay,
|
|
iterations: propertyAnimations[i].iterations,
|
|
curve: propertyAnimations[i].curve,
|
|
};
|
|
if (Trace.isEnabled()) {
|
|
Trace.write('Curve: ' + propertyAnimations[i].curve, Trace.categories.Animation);
|
|
}
|
|
newTransformAnimation.value[propertyAnimations[i].property] = propertyAnimations[i].value;
|
|
if (Trace.isEnabled()) {
|
|
Trace.write('Created new transform animation: ' + Animation._getAnimationInfo(newTransformAnimation), Trace.categories.Animation);
|
|
}
|
|
|
|
// Merge all compatible affine transform animations to the right into this new animation.
|
|
j = i + 1;
|
|
if (j < length) {
|
|
for (; j < length; j++) {
|
|
if (Animation._canBeMerged(propertyAnimations[i], propertyAnimations[j])) {
|
|
if (Trace.isEnabled()) {
|
|
Trace.write('Merging animations: ' + Animation._getAnimationInfo(newTransformAnimation) + ' + ' + Animation._getAnimationInfo(propertyAnimations[j]) + ';', Trace.categories.Animation);
|
|
}
|
|
newTransformAnimation.value[propertyAnimations[j].property] = propertyAnimations[j].value;
|
|
// Mark that it has been merged so we can skip it on our outer loop.
|
|
propertyAnimations[j][_skip] = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
result.push(newTransformAnimation);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
export function _getTransformMismatchErrorMessage(view: View): string {
|
|
const expectedTransform = calculateTransform(view);
|
|
const expectedTransformString = getCATransform3DString(expectedTransform);
|
|
const actualTransformString = getCATransform3DString(view.nativeViewProtected.layer.transform);
|
|
|
|
if (actualTransformString !== expectedTransformString) {
|
|
return 'View and Native transforms do not match.\nActual: ' + actualTransformString + ';\nExpected: ' + expectedTransformString;
|
|
}
|
|
|
|
return undefined;
|
|
}
|
|
|
|
function calculateTransform(view: View): CATransform3D {
|
|
const scaleX = view.scaleX || 1e-6;
|
|
const scaleY = view.scaleY || 1e-6;
|
|
const perspective = view.perspective || 300;
|
|
|
|
// Order is important: translate, rotate, scale
|
|
let expectedTransform = new CATransform3D(CATransform3DIdentity);
|
|
|
|
// Only set perspective if there is 3D rotation
|
|
if (view.rotateX || view.rotateY) {
|
|
expectedTransform.m34 = -1 / perspective;
|
|
}
|
|
|
|
expectedTransform = CATransform3DTranslate(expectedTransform, view.translateX, view.translateY, 0);
|
|
expectedTransform = iOSNativeHelper.applyRotateTransform(expectedTransform, view.rotateX, view.rotateY, view.rotate);
|
|
expectedTransform = CATransform3DScale(expectedTransform, scaleX, scaleY, 1);
|
|
|
|
return expectedTransform;
|
|
}
|
|
|
|
function getCATransform3DString(t: CATransform3D) {
|
|
return `[
|
|
${t.m11}, ${t.m12}, ${t.m13}, ${t.m14},
|
|
${t.m21}, ${t.m22}, ${t.m23}, ${t.m24},
|
|
${t.m31}, ${t.m32}, ${t.m33}, ${t.m34},
|
|
${t.m41}, ${t.m42}, ${t.m43}, ${t.m44}]`;
|
|
}
|