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https://github.com/ionic-team/ionic-framework.git
synced 2025-08-19 03:32:21 +08:00
transition updates
This commit is contained in:
@ -9,32 +9,45 @@ const data = Collide.data;
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export class Animation {
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constructor() {
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constructor(ele) {
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this.parent = null;
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this._elements = null;
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this._options = {};
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this._properties = {};
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this._resolve = null;
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this._call = null;
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this.children = [];
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this.elements(ele);
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}
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addChild(animation) {
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animation.parent = this;
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this.children.push(animation);
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addChild(childAnimation) {
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childAnimation.parent = this;
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this.children.push(childAnimation);
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return this;
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}
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setChildren(childAnimations) {
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for (let i = 0; i < childAnimations.length; i++) {
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this.addChild(childAnimations[i]);
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}
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return this;
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}
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elements(ele) {
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if (ele && ele.length > 0) {
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this._elements = ele;
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this._ele = [];
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} else if (ele && ele.nodeType) {
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this._elements = [ele];
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if (ele) {
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if (typeof ele === 'string') {
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ele = document.querySelectorAll(ele);
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}
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} else {
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this._elements = null;
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if (ele.length) {
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this._ele = ele;
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} else if (ele.nodeType) {
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this._ele.push(ele);
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}
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}
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return this;
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@ -51,8 +64,8 @@ export class Animation {
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this.stop();
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}
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if (this._elements && this._elements.length) {
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this._promise = new Promise(res => {
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if (this._ele.length) {
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let promise = new Promise(res => {
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this._resolve = res;
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});
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@ -85,35 +98,35 @@ export class Animation {
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var opts = util.extend({}, Collide.defaults);
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if (this.parent && this.parent._options) {
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if (this.parent) {
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opts = util.extend(opts, this.parent._options);
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}
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this._options = util.extend(opts, this._options);
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// get the elements ready
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for (var i = 0, ii = this._elements.length; i < ii; i++) {
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for (var i = 0, ii = this._ele.length; i < ii; i++) {
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processElement('start', this, i, clearCache);
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}
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onNextFrame();
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});
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} else {
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this._promise = Promise.resolve();
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return promise;
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}
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return Promise.resolve();
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}
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_queueAnimation() {
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if (this._elements) {
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if (this._ele.length) {
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if (this._call === null) {
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return;
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}
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var eleData;
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for (var i = 0, ii = this._elements.length, element; i < ii && (element = this._elements[i]); i++) {
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for (var i = 0, ii = this._ele.length, element; i < ii && (element = this._ele[i]); i++) {
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if (element) {
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eleData = data(element);
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if (eleData) {
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@ -141,7 +154,7 @@ export class Animation {
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/* Add the current call plus its associated metadata (the element set and the call's options) onto the global call container.
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Anything on this call container is subjected to tick() processing. */
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Collide.State.calls.push([ this._call,
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this._elements,
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this._ele,
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this._options,
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null,
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this._resolve ]);
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@ -160,12 +173,12 @@ export class Animation {
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var clearCache = (this._aniType !== 'start');
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this._setupElements(clearCache, () => {
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var promise = this._setupElements(clearCache, () => {
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this._aniType = 'start';
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this._queueAnimation();
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});
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promises.push(this._promise);
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promises.push(promise);
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return Promise.all(promises);
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}
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@ -178,25 +191,25 @@ export class Animation {
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);
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}
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var clearCache = (this._aniType !== 'percent');
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var clearCache = (this._aniType !== 'progress');
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this._setupElements(clearCache, () => {
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this._aniType = 'percent';
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var promise = this._setupElements(clearCache, () => {
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this._aniType = 'progress';
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});
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promises.push(this._promise);
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promises.push(promise);
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return Promise.all(promises);
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}
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percent(percentComplete) {
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progress(value) {
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// go to and stop at a specific point in the animation
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if (this._aniType = 'percent') {
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this._options.percentComplete = percentComplete;
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if (this._aniType = 'progress') {
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this._options.percentComplete = value;
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for (var i = 0; i < this.children.length; i++) {
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this.children[i].percent(percentComplete);
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this.children[i].progress(value);
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}
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this._queueAnimation();
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@ -205,21 +218,21 @@ export class Animation {
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stop() {
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// immediately stop where it's at
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animationStop(this._elements, 'stop');
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animationStop(this._ele, 'stop');
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return this;
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}
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finish() {
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// immediately go to the end of the animation
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animationStop(this._elements, 'finish');
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animationStop(this._ele, 'finish');
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return this;
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}
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isAnimating() {
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var eleData;
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if (this._elements) {
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for (var i = 0, ii = this._elements.length; i < ii; i++) {
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eleData = data(this._elements[i]);
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if (this._ele) {
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for (var i = 0, ii = this._ele.length; i < ii; i++) {
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eleData = data(this._ele[i]);
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if (eleData && eleData.isAnimating) {
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return true;
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}
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@ -242,11 +255,6 @@ export class Animation {
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return this;
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}
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removeOption(key) {
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delete this._options[key];
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return this;
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}
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duration(val) {
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this._options.duration = val;
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return this;
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@ -257,23 +265,40 @@ export class Animation {
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return this;
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}
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display(val) {
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this._options.display = val;
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return this;
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}
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/***************
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Properties
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***************/
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from(propertyName, value) {
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// [endValue, easing, startValue]
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let prop = this.getProperty(propertyName);
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prop[2] = value;
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return this;
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}
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to() {
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// [endValue, easing, startValue]
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if (arguments.length > 1) {
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this._properties[ arguments[0] ] = arguments[1];
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let prop = this.getProperty(arguments[0]);
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prop[0] = arguments[1];
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} else {
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this._properties = arguments[0] || {};
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}
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return this;
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}
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removeProperty(key) {
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delete this._properties[key];
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return this;
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getProperty(propertyName) {
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// [endValue, easing, startValue]
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if (!this._properties[propertyName]) {
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this._properties[propertyName] = [null, null, null];
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}
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return this._properties[propertyName];
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}
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@ -20,7 +20,7 @@ const data = Collide.data;
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*/
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export function processElement(action, animation, elementIndex, clearCache) {
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var elements = animation._elements;
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var elements = animation._ele;
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var elementsLength = elements.length;
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var element = elements[elementIndex];
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@ -254,36 +254,9 @@ export function processElement(action, animation, elementIndex, clearCache) {
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The optional third parameter is a forcefed startValue to be used instead of querying the DOM for
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the element's current value. */
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function parsePropertyValue(valueData, skipResolvingEasing) {
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var endValue = undefined,
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easing = undefined,
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startValue = undefined;
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/* Handle the array format, which can be structured as one of three potential overloads:
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A) [ endValue, easing, startValue ], B) [ endValue, easing ], or C) [ endValue, startValue ] */
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if (Array.isArray(valueData)) {
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/* endValue is always the first item in the array. Don't bother validating endValue's value now
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since the ensuing property cycling logic does that. */
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endValue = valueData[0];
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/* Two-item array format: If the second item is a number, function, or hex string, treat it as a
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start value since easings can only be non-hex strings or arrays. */
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if ((!Array.isArray(valueData[1]) && /^[\d-]/.test(valueData[1])) || typeof valueData[1] === 'function' || CSS.RegEx.isHex.test(valueData[1])) {
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startValue = valueData[1];
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/* Two or three-item array: If the second item is a non-hex string or an array, treat it as an easing. */
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} else if ((util.isString(valueData[1]) && !CSS.RegEx.isHex.test(valueData[1])) || Array.isArray(valueData[1])) {
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easing = skipResolvingEasing ? valueData[1] : getEasing(valueData[1], opts.duration);
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/* Don't bother validating startValue's value now since the ensuing property cycling logic inherently does that. */
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if (valueData[2] !== undefined) {
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startValue = valueData[2];
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}
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}
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} else {
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/* Handle the single-value format. */
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endValue = valueData;
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}
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var endValue = valueData[0];
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var easing = skipResolvingEasing ? valueData[1] : getEasing(valueData[1], opts.duration);
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var startValue = valueData[2];
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/* Default to the call's easing if a per-property easing type was not defined. */
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if (!skipResolvingEasing) {
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@ -1,2 +1,14 @@
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<ion-nav [initial]="initial">
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</ion-nav>
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<style>
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ion-nav {
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background: black;
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}
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.nav-item {
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background: white;
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}
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</style>
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@ -6,6 +6,12 @@ import {Transition} from './transition'
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const EASING_FN = [.36, .66, .04, 1];
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const DURATION = 500;
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const OFF_RIGHT = '100%';
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const OFF_LEFT = '-33%';
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const OFF_OPACITY = 0.8;
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const TRANSLATE_X = 'translateX';
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const OPACITY = 'opacity';
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class IOSTransition extends Animation {
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@ -13,6 +19,7 @@ class IOSTransition extends Animation {
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constructor(navCtrl, opts) {
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super();
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// global duration and easing for all child animations
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this.duration(DURATION);
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this.easing('ios');
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@ -20,30 +27,52 @@ class IOSTransition extends Animation {
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this.enteringItem = navCtrl.getStagedEnteringItem();
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this.leavingItem = navCtrl.getStagedLeavingItem();
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// create animation for entering item
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let enteringItemAnimation = new Animation();
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enteringItemAnimation.elements(this.enteringItem.navItem.domElement);
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// create animation for the entering item
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let enteringItemAnimation = new Animation(this.enteringItem.navItem.domElement);
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// show the item
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this.enteringItem.navItem.domElement.style.display = 'block';
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// create animation for the leaving item
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// leavingItem could be null, but the animation instance knows to do nothing
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let leavingItemAnimation = new Animation(this.leavingItem && this.leavingItem.navItem.domElement);
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// entering item moves to center
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// before starting, set enteringItem to display: block
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enteringItemAnimation
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.display('block')
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.to(TRANSLATE_X, 0)
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.to(OPACITY, 1);
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// leaving view moves off screen
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// when completed, set leavingItem to display: none
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leavingItemAnimation
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.from(TRANSLATE_X, 0)
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.from(OPACITY, 1)
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.display('none');
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// set properties depending on direction
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if (opts.direction === 'back') {
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// back direction
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this.enteringItem.navItem.domElement.style.transform = 'translateX(-33%)';
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if (this.leavingItem) {
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this.leavingItem.navItem.domElement.style.display = '';
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}
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enteringItemAnimation
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.from(TRANSLATE_X, OFF_LEFT)
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.from(OPACITY, OFF_OPACITY)
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.to(OPACITY, 1);
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leavingItemAnimation
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.to(TRANSLATE_X, OFF_RIGHT)
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.to(OPACITY, 1);
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} else {
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// forward direction
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this.enteringItem.navItem.domElement.style.transform = 'translateX(100%)';
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enteringItemAnimation
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.from(TRANSLATE_X, OFF_RIGHT)
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.from(OPACITY, 1);
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leavingItemAnimation
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.to(TRANSLATE_X, OFF_LEFT)
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.to(OPACITY, OFF_OPACITY);
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}
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// entering item moves to dead center
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enteringItemAnimation.to('translateX', ['0%', '100%']);
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this.addChild(enteringItemAnimation);
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// set child animations
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this.setChildren([enteringItemAnimation, leavingItemAnimation]);
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}
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stage() {
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