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ng-zorro-antd

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An enterprise-class UI components based on Ant Design and Angular

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/** * @fileoverview added by tsickle * Generated from: scroll.ts * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @license * Copyright Alibaba.com All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE */ import { DOCUMENT } from '@angular/common'; import { Inject, Injectable, Optional, SkipSelf } from '@angular/core'; import { reqAnimFrame } from 'ng-zorro-antd/core/polyfill'; /** * @param {?} t * @param {?} b * @param {?} c * @param {?} d * @return {?} */ function easeInOutCubic(t, b, c, d) { /** @type {?} */ var cc = c - b; /** @type {?} */ var tt = t / (d / 2); if (tt < 1) { return (cc / 2) * tt * tt * tt + b; } else { return (cc / 2) * ((tt -= 2) * tt * tt + 2) + b; } } var NzScrollService = /** @class */ (function () { function NzScrollService(doc) { this.doc = doc; } /** Set the position of the scroll bar of `el`. */ /** * Set the position of the scroll bar of `el`. * @param {?} el * @param {?=} topValue * @return {?} */ NzScrollService.prototype.setScrollTop = /** * Set the position of the scroll bar of `el`. * @param {?} el * @param {?=} topValue * @return {?} */ function (el, topValue) { if (topValue === void 0) { topValue = 0; } if (el === window) { this.doc.body.scrollTop = topValue; (/** @type {?} */ (this.doc.documentElement)).scrollTop = topValue; } else { ((/** @type {?} */ (el))).scrollTop = topValue; } }; /** Get position of `el` against window. */ /** * Get position of `el` against window. * @param {?} el * @return {?} */ NzScrollService.prototype.getOffset = /** * Get position of `el` against window. * @param {?} el * @return {?} */ function (el) { /** @type {?} */ var ret = { top: 0, left: 0 }; if (!el || !el.getClientRects().length) { return ret; } /** @type {?} */ var rect = el.getBoundingClientRect(); if (rect.width || rect.height) { /** @type {?} */ var doc = (/** @type {?} */ (el.ownerDocument)).documentElement; ret.top = rect.top - (/** @type {?} */ (doc)).clientTop; ret.left = rect.left - (/** @type {?} */ (doc)).clientLeft; } else { ret.top = rect.top; ret.left = rect.left; } return ret; }; /** Get the position of the scoll bar of `el`. */ // TODO: remove '| Window' as the fallback already happens here /** * Get the position of the scoll bar of `el`. * @param {?=} el * @param {?=} top * @return {?} */ // TODO: remove '| Window' as the fallback already happens here NzScrollService.prototype.getScroll = /** * Get the position of the scoll bar of `el`. * @param {?=} el * @param {?=} top * @return {?} */ // TODO: remove '| Window' as the fallback already happens here function (el, top) { if (top === void 0) { top = true; } /** @type {?} */ var target = el ? el : window; /** @type {?} */ var prop = top ? 'pageYOffset' : 'pageXOffset'; /** @type {?} */ var method = top ? 'scrollTop' : 'scrollLeft'; /** @type {?} */ var isWindow = target === window; // @ts-ignore /** @type {?} */ var ret = isWindow ? target[prop] : target[method]; if (isWindow && typeof ret !== 'number') { ret = (/** @type {?} */ (this.doc.documentElement))[method]; } return ret; }; /** * Scroll `el` to some position with animation. * * @param containerEl container, `window` by default * @param targetTopValue Scroll to `top`, 0 by default * @param easing Transition curve, `easeInOutCubic` by default * @param callback callback invoked when transition is done */ /** * Scroll `el` to some position with animation. * * @param {?} containerEl container, `window` by default * @param {?=} targetTopValue Scroll to `top`, 0 by default * @param {?=} easing Transition curve, `easeInOutCubic` by default * @param {?=} callback callback invoked when transition is done * @return {?} */ NzScrollService.prototype.scrollTo = /** * Scroll `el` to some position with animation. * * @param {?} containerEl container, `window` by default * @param {?=} targetTopValue Scroll to `top`, 0 by default * @param {?=} easing Transition curve, `easeInOutCubic` by default * @param {?=} callback callback invoked when transition is done * @return {?} */ function (containerEl, targetTopValue, easing, callback) { var _this = this; if (targetTopValue === void 0) { targetTopValue = 0; } /** @type {?} */ var target = containerEl ? containerEl : window; /** @type {?} */ var scrollTop = this.getScroll(target); /** @type {?} */ var startTime = Date.now(); /** @type {?} */ var frameFunc = (/** * @return {?} */ function () { /** @type {?} */ var timestamp = Date.now(); /** @type {?} */ var time = timestamp - startTime; _this.setScrollTop(target, (easing || easeInOutCubic)(time, scrollTop, targetTopValue, 450)); if (time < 450) { reqAnimFrame(frameFunc); } else { if (callback) { callback(); } } }); reqAnimFrame(frameFunc); }; NzScrollService.decorators = [ { type: Injectable } ]; /** @nocollapse */ NzScrollService.ctorParameters = function () { return [ { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] } ]; }; return NzScrollService; }()); export { NzScrollService }; if (false) { /** * @type {?} * @private */ NzScrollService.prototype.doc; } /** * @param {?} doc * @param {?} scrollService * @return {?} */ export function SCROLL_SERVICE_PROVIDER_FACTORY(doc, scrollService) { return scrollService || new NzScrollService(doc); } /** @type {?} */ export var SCROLL_SERVICE_PROVIDER = { provide: NzScrollService, useFactory: SCROLL_SERVICE_PROVIDER_FACTORY, deps: [DOCUMENT, [new Optional(), new SkipSelf(), NzScrollService]] }; //# 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* @license\n * Copyright Alibaba.com All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { DOCUMENT } from '@angular/common';\nimport { Inject, Injectable, Optional, Provider, SkipSelf } from '@angular/core';\nimport { reqAnimFrame } from 'ng-zorro-antd/core/polyfill';\nimport { NzSafeAny } from 'ng-zorro-antd/core/types';\n\nexport type EasyingFn = (t: number, b: number, c: number, d: number) => number;\n\nfunction easeInOutCubic(t: number, b: number, c: number, d: number): number {\n  const cc = c - b;\n  let tt = t / (d / 2);\n  if (tt < 1) {\n    return (cc / 2) * tt * tt * tt + b;\n  } else {\n    return (cc / 2) * ((tt -= 2) * tt * tt + 2) + b;\n  }\n}\n\n@Injectable()\nexport class NzScrollService {\n  private doc: Document;\n\n  constructor(@Inject(DOCUMENT) doc: NzSafeAny) {\n    this.doc = doc;\n  }\n\n  /** Set the position of the scroll bar of `el`. */\n  setScrollTop(el: Element | Window, topValue: number = 0): void {\n    if (el === window) {\n      this.doc.body.scrollTop = topValue;\n      this.doc.documentElement!.scrollTop = topValue;\n    } else {\n      (el as Element).scrollTop = topValue;\n    }\n  }\n\n  /** Get position of `el` against window. */\n  getOffset(el: Element): { top: number; left: number } {\n    const ret = {\n      top: 0,\n      left: 0\n    };\n    if (!el || !el.getClientRects().length) {\n      return ret;\n    }\n\n    const rect = el.getBoundingClientRect();\n    if (rect.width || rect.height) {\n      const doc = el.ownerDocument!.documentElement;\n      ret.top = rect.top - doc!.clientTop;\n      ret.left = rect.left - doc!.clientLeft;\n    } else {\n      ret.top = rect.top;\n      ret.left = rect.left;\n    }\n\n    return ret;\n  }\n\n  /** Get the position of the scoll bar of `el`. */\n  // TODO: remove '| Window' as the fallback already happens here\n  getScroll(el?: Element | Window, top: boolean = true): number {\n    const target = el ? el : window;\n    const prop = top ? 'pageYOffset' : 'pageXOffset';\n    const method = top ? 'scrollTop' : 'scrollLeft';\n    const isWindow = target === window;\n    // @ts-ignore\n    let ret = isWindow ? target[prop] : target[method];\n    if (isWindow && typeof ret !== 'number') {\n      ret = this.doc.documentElement![method];\n    }\n    return ret;\n  }\n\n  /**\n   * Scroll `el` to some position with animation.\n   *\n   * @param containerEl container, `window` by default\n   * @param targetTopValue Scroll to `top`, 0 by default\n   * @param easing Transition curve, `easeInOutCubic` by default\n   * @param callback callback invoked when transition is done\n   */\n  scrollTo(containerEl: Element | Window, targetTopValue: number = 0, easing?: EasyingFn, callback?: () => void): void {\n    const target = containerEl ? containerEl : window;\n    const scrollTop = this.getScroll(target);\n    const startTime = Date.now();\n    const frameFunc = () => {\n      const timestamp = Date.now();\n      const time = timestamp - startTime;\n      this.setScrollTop(target, (easing || easeInOutCubic)(time, scrollTop, targetTopValue, 450));\n      if (time < 450) {\n        reqAnimFrame(frameFunc);\n      } else {\n        if (callback) {\n          callback();\n        }\n      }\n    };\n    reqAnimFrame(frameFunc);\n  }\n}\n\nexport function SCROLL_SERVICE_PROVIDER_FACTORY(doc: Document, scrollService: NzScrollService): NzScrollService {\n  return scrollService || new NzScrollService(doc);\n}\n\nexport const SCROLL_SERVICE_PROVIDER: Provider = {\n  provide: NzScrollService,\n  useFactory: SCROLL_SERVICE_PROVIDER_FACTORY,\n  deps: [DOCUMENT, [new Optional(), new SkipSelf(), NzScrollService]]\n};\n"]}