@angular/cdk
Version:
Angular Material Component Development Kit
217 lines • 30 kB
JavaScript
/**
* @license
* Copyright Google LLC 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://angular.io/license
*/
import { coerceNumberProperty } from '@angular/cdk/coercion';
import { Directive, forwardRef, Input } from '@angular/core';
import { Subject } from 'rxjs';
import { distinctUntilChanged } from 'rxjs/operators';
import { VIRTUAL_SCROLL_STRATEGY } from './virtual-scroll-strategy';
import * as i0 from "@angular/core";
/** Virtual scrolling strategy for lists with items of known fixed size. */
export class FixedSizeVirtualScrollStrategy {
/**
* @param itemSize The size of the items in the virtually scrolling list.
* @param minBufferPx The minimum amount of buffer (in pixels) before needing to render more
* @param maxBufferPx The amount of buffer (in pixels) to render when rendering more.
*/
constructor(itemSize, minBufferPx, maxBufferPx) {
this._scrolledIndexChange = new Subject();
/** @docs-private Implemented as part of VirtualScrollStrategy. */
this.scrolledIndexChange = this._scrolledIndexChange.pipe(distinctUntilChanged());
/** The attached viewport. */
this._viewport = null;
this._itemSize = itemSize;
this._minBufferPx = minBufferPx;
this._maxBufferPx = maxBufferPx;
}
/**
* Attaches this scroll strategy to a viewport.
* @param viewport The viewport to attach this strategy to.
*/
attach(viewport) {
this._viewport = viewport;
this._updateTotalContentSize();
this._updateRenderedRange();
}
/** Detaches this scroll strategy from the currently attached viewport. */
detach() {
this._scrolledIndexChange.complete();
this._viewport = null;
}
/**
* Update the item size and buffer size.
* @param itemSize The size of the items in the virtually scrolling list.
* @param minBufferPx The minimum amount of buffer (in pixels) before needing to render more
* @param maxBufferPx The amount of buffer (in pixels) to render when rendering more.
*/
updateItemAndBufferSize(itemSize, minBufferPx, maxBufferPx) {
if (maxBufferPx < minBufferPx && (typeof ngDevMode === 'undefined' || ngDevMode)) {
throw Error('CDK virtual scroll: maxBufferPx must be greater than or equal to minBufferPx');
}
this._itemSize = itemSize;
this._minBufferPx = minBufferPx;
this._maxBufferPx = maxBufferPx;
this._updateTotalContentSize();
this._updateRenderedRange();
}
/** @docs-private Implemented as part of VirtualScrollStrategy. */
onContentScrolled() {
this._updateRenderedRange();
}
/** @docs-private Implemented as part of VirtualScrollStrategy. */
onDataLengthChanged() {
this._updateTotalContentSize();
this._updateRenderedRange();
}
/** @docs-private Implemented as part of VirtualScrollStrategy. */
onContentRendered() {
/* no-op */
}
/** @docs-private Implemented as part of VirtualScrollStrategy. */
onRenderedOffsetChanged() {
/* no-op */
}
/**
* Scroll to the offset for the given index.
* @param index The index of the element to scroll to.
* @param behavior The ScrollBehavior to use when scrolling.
*/
scrollToIndex(index, behavior) {
if (this._viewport) {
this._viewport.scrollToOffset(index * this._itemSize, behavior);
}
}
/** Update the viewport's total content size. */
_updateTotalContentSize() {
if (!this._viewport) {
return;
}
this._viewport.setTotalContentSize(this._viewport.getDataLength() * this._itemSize);
}
/** Update the viewport's rendered range. */
_updateRenderedRange() {
if (!this._viewport) {
return;
}
const renderedRange = this._viewport.getRenderedRange();
const newRange = { start: renderedRange.start, end: renderedRange.end };
const viewportSize = this._viewport.getViewportSize();
const dataLength = this._viewport.getDataLength();
let scrollOffset = this._viewport.measureScrollOffset();
// Prevent NaN as result when dividing by zero.
let firstVisibleIndex = this._itemSize > 0 ? scrollOffset / this._itemSize : 0;
// If user scrolls to the bottom of the list and data changes to a smaller list
if (newRange.end > dataLength) {
// We have to recalculate the first visible index based on new data length and viewport size.
const maxVisibleItems = Math.ceil(viewportSize / this._itemSize);
const newVisibleIndex = Math.max(0, Math.min(firstVisibleIndex, dataLength - maxVisibleItems));
// If first visible index changed we must update scroll offset to handle start/end buffers
// Current range must also be adjusted to cover the new position (bottom of new list).
if (firstVisibleIndex != newVisibleIndex) {
firstVisibleIndex = newVisibleIndex;
scrollOffset = newVisibleIndex * this._itemSize;
newRange.start = Math.floor(firstVisibleIndex);
}
newRange.end = Math.max(0, Math.min(dataLength, newRange.start + maxVisibleItems));
}
const startBuffer = scrollOffset - newRange.start * this._itemSize;
if (startBuffer < this._minBufferPx && newRange.start != 0) {
const expandStart = Math.ceil((this._maxBufferPx - startBuffer) / this._itemSize);
newRange.start = Math.max(0, newRange.start - expandStart);
newRange.end = Math.min(dataLength, Math.ceil(firstVisibleIndex + (viewportSize + this._minBufferPx) / this._itemSize));
}
else {
const endBuffer = newRange.end * this._itemSize - (scrollOffset + viewportSize);
if (endBuffer < this._minBufferPx && newRange.end != dataLength) {
const expandEnd = Math.ceil((this._maxBufferPx - endBuffer) / this._itemSize);
if (expandEnd > 0) {
newRange.end = Math.min(dataLength, newRange.end + expandEnd);
newRange.start = Math.max(0, Math.floor(firstVisibleIndex - this._minBufferPx / this._itemSize));
}
}
}
this._viewport.setRenderedRange(newRange);
this._viewport.setRenderedContentOffset(this._itemSize * newRange.start);
this._scrolledIndexChange.next(Math.floor(firstVisibleIndex));
}
}
/**
* Provider factory for `FixedSizeVirtualScrollStrategy` that simply extracts the already created
* `FixedSizeVirtualScrollStrategy` from the given directive.
* @param fixedSizeDir The instance of `CdkFixedSizeVirtualScroll` to extract the
* `FixedSizeVirtualScrollStrategy` from.
*/
export function _fixedSizeVirtualScrollStrategyFactory(fixedSizeDir) {
return fixedSizeDir._scrollStrategy;
}
/** A virtual scroll strategy that supports fixed-size items. */
export class CdkFixedSizeVirtualScroll {
constructor() {
this._itemSize = 20;
this._minBufferPx = 100;
this._maxBufferPx = 200;
/** The scroll strategy used by this directive. */
this._scrollStrategy = new FixedSizeVirtualScrollStrategy(this.itemSize, this.minBufferPx, this.maxBufferPx);
}
/** The size of the items in the list (in pixels). */
get itemSize() {
return this._itemSize;
}
set itemSize(value) {
this._itemSize = coerceNumberProperty(value);
}
/**
* The minimum amount of buffer rendered beyond the viewport (in pixels).
* If the amount of buffer dips below this number, more items will be rendered. Defaults to 100px.
*/
get minBufferPx() {
return this._minBufferPx;
}
set minBufferPx(value) {
this._minBufferPx = coerceNumberProperty(value);
}
/**
* The number of pixels worth of buffer to render for when rendering new items. Defaults to 200px.
*/
get maxBufferPx() {
return this._maxBufferPx;
}
set maxBufferPx(value) {
this._maxBufferPx = coerceNumberProperty(value);
}
ngOnChanges() {
this._scrollStrategy.updateItemAndBufferSize(this.itemSize, this.minBufferPx, this.maxBufferPx);
}
}
CdkFixedSizeVirtualScroll.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.2.0", ngImport: i0, type: CdkFixedSizeVirtualScroll, deps: [], target: i0.ɵɵFactoryTarget.Directive });
CdkFixedSizeVirtualScroll.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.2.0", type: CdkFixedSizeVirtualScroll, selector: "cdk-virtual-scroll-viewport[itemSize]", inputs: { itemSize: "itemSize", minBufferPx: "minBufferPx", maxBufferPx: "maxBufferPx" }, providers: [
{
provide: VIRTUAL_SCROLL_STRATEGY,
useFactory: _fixedSizeVirtualScrollStrategyFactory,
deps: [forwardRef(() => CdkFixedSizeVirtualScroll)],
},
], usesOnChanges: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.2.0", ngImport: i0, type: CdkFixedSizeVirtualScroll, decorators: [{
type: Directive,
args: [{
selector: 'cdk-virtual-scroll-viewport[itemSize]',
providers: [
{
provide: VIRTUAL_SCROLL_STRATEGY,
useFactory: _fixedSizeVirtualScrollStrategyFactory,
deps: [forwardRef(() => CdkFixedSizeVirtualScroll)],
},
],
}]
}], propDecorators: { itemSize: [{
type: Input
}], minBufferPx: [{
type: Input
}], maxBufferPx: [{
type: Input
}] } });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"fixed-size-virtual-scroll.js","sourceRoot":"","sources":["../../../../../../src/cdk/scrolling/fixed-size-virtual-scroll.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,oBAAoB,EAAc,MAAM,uBAAuB,CAAC;AACxE,OAAO,EAAC,SAAS,EAAE,UAAU,EAAE,KAAK,EAAY,MAAM,eAAe,CAAC;AACtE,OAAO,EAAa,OAAO,EAAC,MAAM,MAAM,CAAC;AACzC,OAAO,EAAC,oBAAoB,EAAC,MAAM,gBAAgB,CAAC;AACpD,OAAO,EAAC,uBAAuB,EAAwB,MAAM,2BAA2B,CAAC;;AAGzF,2EAA2E;AAC3E,MAAM,OAAO,8BAA8B;IAkBzC;;;;OAIG;IACH,YAAY,QAAgB,EAAE,WAAmB,EAAE,WAAmB;QAtBrD,yBAAoB,GAAG,IAAI,OAAO,EAAU,CAAC;QAE9D,kEAAkE;QAClE,wBAAmB,GAAuB,IAAI,CAAC,oBAAoB,CAAC,IAAI,CAAC,oBAAoB,EAAE,CAAC,CAAC;QAEjG,6BAA6B;QACrB,cAAS,GAAoC,IAAI,CAAC;QAiBxD,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;QAC1B,IAAI,CAAC,YAAY,GAAG,WAAW,CAAC;QAChC,IAAI,CAAC,YAAY,GAAG,WAAW,CAAC;IAClC,CAAC;IAED;;;OAGG;IACH,MAAM,CAAC,QAAkC;QACvC,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;QAC1B,IAAI,CAAC,uBAAuB,EAAE,CAAC;QAC/B,IAAI,CAAC,oBAAoB,EAAE,CAAC;IAC9B,CAAC;IAED,0EAA0E;IAC1E,MAAM;QACJ,IAAI,CAAC,oBAAoB,CAAC,QAAQ,EAAE,CAAC;QACrC,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC;IACxB,CAAC;IAED;;;;;OAKG;IACH,uBAAuB,CAAC,QAAgB,EAAE,WAAmB,EAAE,WAAmB;QAChF,IAAI,WAAW,GAAG,WAAW,IAAI,CAAC,OAAO,SAAS,KAAK,WAAW,IAAI,SAAS,CAAC,EAAE;YAChF,MAAM,KAAK,CAAC,8EAA8E,CAAC,CAAC;SAC7F;QACD,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;QAC1B,IAAI,CAAC,YAAY,GAAG,WAAW,CAAC;QAChC,IAAI,CAAC,YAAY,GAAG,WAAW,CAAC;QAChC,IAAI,CAAC,uBAAuB,EAAE,CAAC;QAC/B,IAAI,CAAC,oBAAoB,EAAE,CAAC;IAC9B,CAAC;IAED,kEAAkE;IAClE,iBAAiB;QACf,IAAI,CAAC,oBAAoB,EAAE,CAAC;IAC9B,CAAC;IAED,kEAAkE;IAClE,mBAAmB;QACjB,IAAI,CAAC,uBAAuB,EAAE,CAAC;QAC/B,IAAI,CAAC,oBAAoB,EAAE,CAAC;IAC9B,CAAC;IAED,kEAAkE;IAClE,iBAAiB;QACf,WAAW;IACb,CAAC;IAED,kEAAkE;IAClE,uBAAuB;QACrB,WAAW;IACb,CAAC;IAED;;;;OAIG;IACH,aAAa,CAAC,KAAa,EAAE,QAAwB;QACnD,IAAI,IAAI,CAAC,SAAS,EAAE;YAClB,IAAI,CAAC,SAAS,CAAC,cAAc,CAAC,KAAK,GAAG,IAAI,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;SACjE;IACH,CAAC;IAED,gDAAgD;IACxC,uBAAuB;QAC7B,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;YACnB,OAAO;SACR;QAED,IAAI,CAAC,SAAS,CAAC,mBAAmB,CAAC,IAAI,CAAC,SAAS,CAAC,aAAa,EAAE,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC;IACtF,CAAC;IAED,4CAA4C;IACpC,oBAAoB;QAC1B,IAAI,CAAC,IAAI,CAAC,SAAS,EAAE;YACnB,OAAO;SACR;QAED,MAAM,aAAa,GAAG,IAAI,CAAC,SAAS,CAAC,gBAAgB,EAAE,CAAC;QACxD,MAAM,QAAQ,GAAG,EAAC,KAAK,EAAE,aAAa,CAAC,KAAK,EAAE,GAAG,EAAE,aAAa,CAAC,GAAG,EAAC,CAAC;QACtE,MAAM,YAAY,GAAG,IAAI,CAAC,SAAS,CAAC,eAAe,EAAE,CAAC;QACtD,MAAM,UAAU,GAAG,IAAI,CAAC,SAAS,CAAC,aAAa,EAAE,CAAC;QAClD,IAAI,YAAY,GAAG,IAAI,CAAC,SAAS,CAAC,mBAAmB,EAAE,CAAC;QACxD,+CAA+C;QAC/C,IAAI,iBAAiB,GAAG,IAAI,CAAC,SAAS,GAAG,CAAC,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,CAAC;QAE/E,+EAA+E;QAC/E,IAAI,QAAQ,CAAC,GAAG,GAAG,UAAU,EAAE;YAC7B,6FAA6F;YAC7F,MAAM,eAAe,GAAG,IAAI,CAAC,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC;YACjE,MAAM,eAAe,GAAG,IAAI,CAAC,GAAG,CAC9B,CAAC,EACD,IAAI,CAAC,GAAG,CAAC,iBAAiB,EAAE,UAAU,GAAG,eAAe,CAAC,CAC1D,CAAC;YAEF,0FAA0F;YAC1F,sFAAsF;YACtF,IAAI,iBAAiB,IAAI,eAAe,EAAE;gBACxC,iBAAiB,GAAG,eAAe,CAAC;gBACpC,YAAY,GAAG,eAAe,GAAG,IAAI,CAAC,SAAS,CAAC;gBAChD,QAAQ,CAAC,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,CAAC;aAChD;YAED,QAAQ,CAAC,GAAG,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,IAAI,CAAC,GAAG,CAAC,UAAU,EAAE,QAAQ,CAAC,KAAK,GAAG,eAAe,CAAC,CAAC,CAAC;SACpF;QAED,MAAM,WAAW,GAAG,YAAY,GAAG,QAAQ,CAAC,KAAK,GAAG,IAAI,CAAC,SAAS,CAAC;QACnE,IAAI,WAAW,GAAG,IAAI,CAAC,YAAY,IAAI,QAAQ,CAAC,KAAK,IAAI,CAAC,EAAE;YAC1D,MAAM,WAAW,GAAG,IAAI,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,YAAY,GAAG,WAAW,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC;YAClF,QAAQ,CAAC,KAAK,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,QAAQ,CAAC,KAAK,GAAG,WAAW,CAAC,CAAC;YAC3D,QAAQ,CAAC,GAAG,GAAG,IAAI,CAAC,GAAG,CACrB,UAAU,EACV,IAAI,CAAC,IAAI,CAAC,iBAAiB,GAAG,CAAC,YAAY,GAAG,IAAI,CAAC,YAAY,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,CACnF,CAAC;SACH;aAAM;YACL,MAAM,SAAS,GAAG,QAAQ,CAAC,GAAG,GAAG,IAAI,CAAC,SAAS,GAAG,CAAC,YAAY,GAAG,YAAY,CAAC,CAAC;YAChF,IAAI,SAAS,GAAG,IAAI,CAAC,YAAY,IAAI,QAAQ,CAAC,GAAG,IAAI,UAAU,EAAE;gBAC/D,MAAM,SAAS,GAAG,IAAI,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,YAAY,GAAG,SAAS,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC;gBAC9E,IAAI,SAAS,GAAG,CAAC,EAAE;oBACjB,QAAQ,CAAC,GAAG,GAAG,IAAI,CAAC,GAAG,CAAC,UAAU,EAAE,QAAQ,CAAC,GAAG,GAAG,SAAS,CAAC,CAAC;oBAC9D,QAAQ,CAAC,KAAK,GAAG,IAAI,CAAC,GAAG,CACvB,CAAC,EACD,IAAI,CAAC,KAAK,CAAC,iBAAiB,GAAG,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC,SAAS,CAAC,CACnE,CAAC;iBACH;aACF;SACF;QAED,IAAI,CAAC,SAAS,CAAC,gBAAgB,CAAC,QAAQ,CAAC,CAAC;QAC1C,IAAI,CAAC,SAAS,CAAC,wBAAwB,CAAC,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC,KAAK,CAAC,CAAC;QACzE,IAAI,CAAC,oBAAoB,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,CAAC,CAAC;IAChE,CAAC;CACF;AAED;;;;;GAKG;AACH,MAAM,UAAU,sCAAsC,CAAC,YAAuC;IAC5F,OAAO,YAAY,CAAC,eAAe,CAAC;AACtC,CAAC;AAED,gEAAgE;AAWhE,MAAM,OAAO,yBAAyB;IAVtC;QAmBE,cAAS,GAAG,EAAE,CAAC;QAaf,iBAAY,GAAG,GAAG,CAAC;QAYnB,iBAAY,GAAG,GAAG,CAAC;QAEnB,kDAAkD;QAClD,oBAAe,GAAG,IAAI,8BAA8B,CAClD,IAAI,CAAC,QAAQ,EACb,IAAI,CAAC,WAAW,EAChB,IAAI,CAAC,WAAW,CACjB,CAAC;KAKH;IA7CC,qDAAqD;IACrD,IACI,QAAQ;QACV,OAAO,IAAI,CAAC,SAAS,CAAC;IACxB,CAAC;IACD,IAAI,QAAQ,CAAC,KAAkB;QAC7B,IAAI,CAAC,SAAS,GAAG,oBAAoB,CAAC,KAAK,CAAC,CAAC;IAC/C,CAAC;IAGD;;;OAGG;IACH,IACI,WAAW;QACb,OAAO,IAAI,CAAC,YAAY,CAAC;IAC3B,CAAC;IACD,IAAI,WAAW,CAAC,KAAkB;QAChC,IAAI,CAAC,YAAY,GAAG,oBAAoB,CAAC,KAAK,CAAC,CAAC;IAClD,CAAC;IAGD;;OAEG;IACH,IACI,WAAW;QACb,OAAO,IAAI,CAAC,YAAY,CAAC;IAC3B,CAAC;IACD,IAAI,WAAW,CAAC,KAAkB;QAChC,IAAI,CAAC,YAAY,GAAG,oBAAoB,CAAC,KAAK,CAAC,CAAC;IAClD,CAAC;IAUD,WAAW;QACT,IAAI,CAAC,eAAe,CAAC,uBAAuB,CAAC,IAAI,CAAC,QAAQ,EAAE,IAAI,CAAC,WAAW,EAAE,IAAI,CAAC,WAAW,CAAC,CAAC;IAClG,CAAC;;sHA7CU,yBAAyB;0GAAzB,yBAAyB,0JARzB;QACT;YACE,OAAO,EAAE,uBAAuB;YAChC,UAAU,EAAE,sCAAsC;YAClD,IAAI,EAAE,CAAC,UAAU,CAAC,GAAG,EAAE,CAAC,yBAAyB,CAAC,CAAC;SACpD;KACF;2FAEU,yBAAyB;kBAVrC,SAAS;mBAAC;oBACT,QAAQ,EAAE,uCAAuC;oBACjD,SAAS,EAAE;wBACT;4BACE,OAAO,EAAE,uBAAuB;4BAChC,UAAU,EAAE,sCAAsC;4BAClD,IAAI,EAAE,CAAC,UAAU,CAAC,GAAG,EAAE,0BAA0B,CAAC,CAAC;yBACpD;qBACF;iBACF;8BAIK,QAAQ;sBADX,KAAK;gBAcF,WAAW;sBADd,KAAK;gBAaF,WAAW;sBADd,KAAK","sourcesContent":["/**\n * @license\n * Copyright Google LLC 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://angular.io/license\n */\n\nimport {coerceNumberProperty, NumberInput} from '@angular/cdk/coercion';\nimport {Directive, forwardRef, Input, OnChanges} from '@angular/core';\nimport {Observable, Subject} from 'rxjs';\nimport {distinctUntilChanged} from 'rxjs/operators';\nimport {VIRTUAL_SCROLL_STRATEGY, VirtualScrollStrategy} from './virtual-scroll-strategy';\nimport {CdkVirtualScrollViewport} from './virtual-scroll-viewport';\n\n/** Virtual scrolling strategy for lists with items of known fixed size. */\nexport class FixedSizeVirtualScrollStrategy implements VirtualScrollStrategy {\n  private readonly _scrolledIndexChange = new Subject<number>();\n\n  /** @docs-private Implemented as part of VirtualScrollStrategy. */\n  scrolledIndexChange: Observable<number> = this._scrolledIndexChange.pipe(distinctUntilChanged());\n\n  /** The attached viewport. */\n  private _viewport: CdkVirtualScrollViewport | null = null;\n\n  /** The size of the items in the virtually scrolling list. */\n  private _itemSize: number;\n\n  /** The minimum amount of buffer rendered beyond the viewport (in pixels). */\n  private _minBufferPx: number;\n\n  /** The number of buffer items to render beyond the edge of the viewport (in pixels). */\n  private _maxBufferPx: number;\n\n  /**\n   * @param itemSize The size of the items in the virtually scrolling list.\n   * @param minBufferPx The minimum amount of buffer (in pixels) before needing to render more\n   * @param maxBufferPx The amount of buffer (in pixels) to render when rendering more.\n   */\n  constructor(itemSize: number, minBufferPx: number, maxBufferPx: number) {\n    this._itemSize = itemSize;\n    this._minBufferPx = minBufferPx;\n    this._maxBufferPx = maxBufferPx;\n  }\n\n  /**\n   * Attaches this scroll strategy to a viewport.\n   * @param viewport The viewport to attach this strategy to.\n   */\n  attach(viewport: CdkVirtualScrollViewport) {\n    this._viewport = viewport;\n    this._updateTotalContentSize();\n    this._updateRenderedRange();\n  }\n\n  /** Detaches this scroll strategy from the currently attached viewport. */\n  detach() {\n    this._scrolledIndexChange.complete();\n    this._viewport = null;\n  }\n\n  /**\n   * Update the item size and buffer size.\n   * @param itemSize The size of the items in the virtually scrolling list.\n   * @param minBufferPx The minimum amount of buffer (in pixels) before needing to render more\n   * @param maxBufferPx The amount of buffer (in pixels) to render when rendering more.\n   */\n  updateItemAndBufferSize(itemSize: number, minBufferPx: number, maxBufferPx: number) {\n    if (maxBufferPx < minBufferPx && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw Error('CDK virtual scroll: maxBufferPx must be greater than or equal to minBufferPx');\n    }\n    this._itemSize = itemSize;\n    this._minBufferPx = minBufferPx;\n    this._maxBufferPx = maxBufferPx;\n    this._updateTotalContentSize();\n    this._updateRenderedRange();\n  }\n\n  /** @docs-private Implemented as part of VirtualScrollStrategy. */\n  onContentScrolled() {\n    this._updateRenderedRange();\n  }\n\n  /** @docs-private Implemented as part of VirtualScrollStrategy. */\n  onDataLengthChanged() {\n    this._updateTotalContentSize();\n    this._updateRenderedRange();\n  }\n\n  /** @docs-private Implemented as part of VirtualScrollStrategy. */\n  onContentRendered() {\n    /* no-op */\n  }\n\n  /** @docs-private Implemented as part of VirtualScrollStrategy. */\n  onRenderedOffsetChanged() {\n    /* no-op */\n  }\n\n  /**\n   * Scroll to the offset for the given index.\n   * @param index The index of the element to scroll to.\n   * @param behavior The ScrollBehavior to use when scrolling.\n   */\n  scrollToIndex(index: number, behavior: ScrollBehavior): void {\n    if (this._viewport) {\n      this._viewport.scrollToOffset(index * this._itemSize, behavior);\n    }\n  }\n\n  /** Update the viewport's total content size. */\n  private _updateTotalContentSize() {\n    if (!this._viewport) {\n      return;\n    }\n\n    this._viewport.setTotalContentSize(this._viewport.getDataLength() * this._itemSize);\n  }\n\n  /** Update the viewport's rendered range. */\n  private _updateRenderedRange() {\n    if (!this._viewport) {\n      return;\n    }\n\n    const renderedRange = this._viewport.getRenderedRange();\n    const newRange = {start: renderedRange.start, end: renderedRange.end};\n    const viewportSize = this._viewport.getViewportSize();\n    const dataLength = this._viewport.getDataLength();\n    let scrollOffset = this._viewport.measureScrollOffset();\n    // Prevent NaN as result when dividing by zero.\n    let firstVisibleIndex = this._itemSize > 0 ? scrollOffset / this._itemSize : 0;\n\n    // If user scrolls to the bottom of the list and data changes to a smaller list\n    if (newRange.end > dataLength) {\n      // We have to recalculate the first visible index based on new data length and viewport size.\n      const maxVisibleItems = Math.ceil(viewportSize / this._itemSize);\n      const newVisibleIndex = Math.max(\n        0,\n        Math.min(firstVisibleIndex, dataLength - maxVisibleItems),\n      );\n\n      // If first visible index changed we must update scroll offset to handle start/end buffers\n      // Current range must also be adjusted to cover the new position (bottom of new list).\n      if (firstVisibleIndex != newVisibleIndex) {\n        firstVisibleIndex = newVisibleIndex;\n        scrollOffset = newVisibleIndex * this._itemSize;\n        newRange.start = Math.floor(firstVisibleIndex);\n      }\n\n      newRange.end = Math.max(0, Math.min(dataLength, newRange.start + maxVisibleItems));\n    }\n\n    const startBuffer = scrollOffset - newRange.start * this._itemSize;\n    if (startBuffer < this._minBufferPx && newRange.start != 0) {\n      const expandStart = Math.ceil((this._maxBufferPx - startBuffer) / this._itemSize);\n      newRange.start = Math.max(0, newRange.start - expandStart);\n      newRange.end = Math.min(\n        dataLength,\n        Math.ceil(firstVisibleIndex + (viewportSize + this._minBufferPx) / this._itemSize),\n      );\n    } else {\n      const endBuffer = newRange.end * this._itemSize - (scrollOffset + viewportSize);\n      if (endBuffer < this._minBufferPx && newRange.end != dataLength) {\n        const expandEnd = Math.ceil((this._maxBufferPx - endBuffer) / this._itemSize);\n        if (expandEnd > 0) {\n          newRange.end = Math.min(dataLength, newRange.end + expandEnd);\n          newRange.start = Math.max(\n            0,\n            Math.floor(firstVisibleIndex - this._minBufferPx / this._itemSize),\n          );\n        }\n      }\n    }\n\n    this._viewport.setRenderedRange(newRange);\n    this._viewport.setRenderedContentOffset(this._itemSize * newRange.start);\n    this._scrolledIndexChange.next(Math.floor(firstVisibleIndex));\n  }\n}\n\n/**\n * Provider factory for `FixedSizeVirtualScrollStrategy` that simply extracts the already created\n * `FixedSizeVirtualScrollStrategy` from the given directive.\n * @param fixedSizeDir The instance of `CdkFixedSizeVirtualScroll` to extract the\n *     `FixedSizeVirtualScrollStrategy` from.\n */\nexport function _fixedSizeVirtualScrollStrategyFactory(fixedSizeDir: CdkFixedSizeVirtualScroll) {\n  return fixedSizeDir._scrollStrategy;\n}\n\n/** A virtual scroll strategy that supports fixed-size items. */\n@Directive({\n  selector: 'cdk-virtual-scroll-viewport[itemSize]',\n  providers: [\n    {\n      provide: VIRTUAL_SCROLL_STRATEGY,\n      useFactory: _fixedSizeVirtualScrollStrategyFactory,\n      deps: [forwardRef(() => CdkFixedSizeVirtualScroll)],\n    },\n  ],\n})\nexport class CdkFixedSizeVirtualScroll implements OnChanges {\n  /** The size of the items in the list (in pixels). */\n  @Input()\n  get itemSize(): number {\n    return this._itemSize;\n  }\n  set itemSize(value: NumberInput) {\n    this._itemSize = coerceNumberProperty(value);\n  }\n  _itemSize = 20;\n\n  /**\n   * The minimum amount of buffer rendered beyond the viewport (in pixels).\n   * If the amount of buffer dips below this number, more items will be rendered. Defaults to 100px.\n   */\n  @Input()\n  get minBufferPx(): number {\n    return this._minBufferPx;\n  }\n  set minBufferPx(value: NumberInput) {\n    this._minBufferPx = coerceNumberProperty(value);\n  }\n  _minBufferPx = 100;\n\n  /**\n   * The number of pixels worth of buffer to render for when rendering new items. Defaults to 200px.\n   */\n  @Input()\n  get maxBufferPx(): number {\n    return this._maxBufferPx;\n  }\n  set maxBufferPx(value: NumberInput) {\n    this._maxBufferPx = coerceNumberProperty(value);\n  }\n  _maxBufferPx = 200;\n\n  /** The scroll strategy used by this directive. */\n  _scrollStrategy = new FixedSizeVirtualScrollStrategy(\n    this.itemSize,\n    this.minBufferPx,\n    this.maxBufferPx,\n  );\n\n  ngOnChanges() {\n    this._scrollStrategy.updateItemAndBufferSize(this.itemSize, this.minBufferPx, this.maxBufferPx);\n  }\n}\n"]}