@angular/material
Version:
Angular Material
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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 { Platform, _getShadowRoot } from '@angular/cdk/platform';
import { ViewportRuler } from '@angular/cdk/scrolling';
import { DOCUMENT } from '@angular/common';
import { ChangeDetectionStrategy, Component, ElementRef, Inject, Input, Optional, ViewEncapsulation, ChangeDetectorRef, NgZone, CSP_NONCE, } from '@angular/core';
import { mixinColor } from '@angular/material/core';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS, } from '@angular/material/progress-spinner';
import { Subscription } from 'rxjs';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/platform";
import * as i2 from "@angular/cdk/scrolling";
import * as i3 from "@angular/common";
/**
* Base reference size of the spinner.
* @docs-private
*/
const BASE_SIZE = 100;
/**
* Base reference stroke width of the spinner.
* @docs-private
*/
const BASE_STROKE_WIDTH = 10;
// Boilerplate for applying mixins to MatLegacyProgressSpinner.
/** @docs-private */
const _MatProgressSpinnerBase = mixinColor(class {
constructor(_elementRef) {
this._elementRef = _elementRef;
}
}, 'primary');
// .0001 percentage difference is necessary in order to avoid unwanted animation frames
// for example because the animation duration is 4 seconds, .1% accounts to 4ms
// which are enough to see the flicker described in
// https://github.com/angular/components/issues/8984
const INDETERMINATE_ANIMATION_TEMPLATE = `
@keyframes mat-progress-spinner-stroke-rotate-DIAMETER {
0% { stroke-dashoffset: START_VALUE; transform: rotate(0); }
12.5% { stroke-dashoffset: END_VALUE; transform: rotate(0); }
12.5001% { stroke-dashoffset: END_VALUE; transform: rotateX(180deg) rotate(72.5deg); }
25% { stroke-dashoffset: START_VALUE; transform: rotateX(180deg) rotate(72.5deg); }
25.0001% { stroke-dashoffset: START_VALUE; transform: rotate(270deg); }
37.5% { stroke-dashoffset: END_VALUE; transform: rotate(270deg); }
37.5001% { stroke-dashoffset: END_VALUE; transform: rotateX(180deg) rotate(161.5deg); }
50% { stroke-dashoffset: START_VALUE; transform: rotateX(180deg) rotate(161.5deg); }
50.0001% { stroke-dashoffset: START_VALUE; transform: rotate(180deg); }
62.5% { stroke-dashoffset: END_VALUE; transform: rotate(180deg); }
62.5001% { stroke-dashoffset: END_VALUE; transform: rotateX(180deg) rotate(251.5deg); }
75% { stroke-dashoffset: START_VALUE; transform: rotateX(180deg) rotate(251.5deg); }
75.0001% { stroke-dashoffset: START_VALUE; transform: rotate(90deg); }
87.5% { stroke-dashoffset: END_VALUE; transform: rotate(90deg); }
87.5001% { stroke-dashoffset: END_VALUE; transform: rotateX(180deg) rotate(341.5deg); }
100% { stroke-dashoffset: START_VALUE; transform: rotateX(180deg) rotate(341.5deg); }
}
`;
/**
* `<mat-progress-spinner>` component.
* @deprecated Use `MatProgressSpinner` from `@angular/material/progress-spinner` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.
* @breaking-change 17.0.0
*/
class MatLegacyProgressSpinner extends _MatProgressSpinnerBase {
/**
* Tracks diameters of existing instances to de-dupe generated styles (default d = 100).
* We need to keep track of which elements the diameters were attached to, because for
* elements in the Shadow DOM the style tags are attached to the shadow root, rather
* than the document head.
*/
static { this._diameters = new WeakMap(); }
/** The diameter of the progress spinner (will set width and height of svg). */
get diameter() {
return this._diameter;
}
set diameter(size) {
this._diameter = coerceNumberProperty(size);
this._spinnerAnimationLabel = this._getSpinnerAnimationLabel();
// If this is set before `ngOnInit`, the style root may not have been resolved yet.
if (this._styleRoot) {
this._attachStyleNode();
}
}
/** Stroke width of the progress spinner. */
get strokeWidth() {
return this._strokeWidth || this.diameter / 10;
}
set strokeWidth(value) {
this._strokeWidth = coerceNumberProperty(value);
}
/** Value of the progress circle. */
get value() {
return this.mode === 'determinate' ? this._value : 0;
}
set value(newValue) {
this._value = Math.max(0, Math.min(100, coerceNumberProperty(newValue)));
}
constructor(elementRef, _platform, _document, animationMode, defaults,
/**
* @deprecated `changeDetectorRef`, `viewportRuler` and `ngZone`
* parameters to become required.
* @breaking-change 14.0.0
*/
changeDetectorRef, viewportRuler, ngZone, _nonce) {
super(elementRef);
this._document = _document;
this._nonce = _nonce;
this._diameter = BASE_SIZE;
this._value = 0;
this._resizeSubscription = Subscription.EMPTY;
/** Mode of the progress circle */
this.mode = 'determinate';
const trackedDiameters = MatLegacyProgressSpinner._diameters;
this._spinnerAnimationLabel = this._getSpinnerAnimationLabel();
// The base size is already inserted via the component's structural styles. We still
// need to track it so we don't end up adding the same styles again.
if (!trackedDiameters.has(_document.head)) {
trackedDiameters.set(_document.head, new Set([BASE_SIZE]));
}
this._noopAnimations =
animationMode === 'NoopAnimations' && !!defaults && !defaults._forceAnimations;
if (elementRef.nativeElement.nodeName.toLowerCase() === 'mat-spinner') {
this.mode = 'indeterminate';
}
if (defaults) {
if (defaults.color) {
this.color = this.defaultColor = defaults.color;
}
if (defaults.diameter) {
this.diameter = defaults.diameter;
}
if (defaults.strokeWidth) {
this.strokeWidth = defaults.strokeWidth;
}
}
// Safari has an issue where the circle isn't positioned correctly when the page has a
// different zoom level from the default. This handler triggers a recalculation of the
// `transform-origin` when the page zoom level changes.
// See `_getCircleTransformOrigin` for more info.
// @breaking-change 14.0.0 Remove null checks for `_changeDetectorRef`,
// `viewportRuler` and `ngZone`.
if (_platform.isBrowser && _platform.SAFARI && viewportRuler && changeDetectorRef && ngZone) {
this._resizeSubscription = viewportRuler.change(150).subscribe(() => {
// When the window is resize while the spinner is in `indeterminate` mode, we
// have to mark for check so the transform origin of the circle can be recomputed.
if (this.mode === 'indeterminate') {
ngZone.run(() => changeDetectorRef.markForCheck());
}
});
}
}
ngOnInit() {
const element = this._elementRef.nativeElement;
// Note that we need to look up the root node in ngOnInit, rather than the constructor, because
// Angular seems to create the element outside the shadow root and then moves it inside, if the
// node is inside an `ngIf` and a ShadowDom-encapsulated component.
this._styleRoot = _getShadowRoot(element) || this._document.head;
this._attachStyleNode();
element.classList.add('mat-progress-spinner-indeterminate-animation');
}
ngOnDestroy() {
this._resizeSubscription.unsubscribe();
}
/** The radius of the spinner, adjusted for stroke width. */
_getCircleRadius() {
return (this.diameter - BASE_STROKE_WIDTH) / 2;
}
/** The view box of the spinner's svg element. */
_getViewBox() {
const viewBox = this._getCircleRadius() * 2 + this.strokeWidth;
return `0 0 ${viewBox} ${viewBox}`;
}
/** The stroke circumference of the svg circle. */
_getStrokeCircumference() {
return 2 * Math.PI * this._getCircleRadius();
}
/** The dash offset of the svg circle. */
_getStrokeDashOffset() {
if (this.mode === 'determinate') {
return (this._getStrokeCircumference() * (100 - this._value)) / 100;
}
return null;
}
/** Stroke width of the circle in percent. */
_getCircleStrokeWidth() {
return (this.strokeWidth / this.diameter) * 100;
}
/** Gets the `transform-origin` for the inner circle element. */
_getCircleTransformOrigin(svg) {
// Safari has an issue where the `transform-origin` doesn't work as expected when the page
// has a different zoom level from the default. The problem appears to be that a zoom
// is applied on the `svg` node itself. We can work around it by calculating the origin
// based on the zoom level. On all other browsers the `currentScale` appears to always be 1.
const scale = (svg.currentScale ?? 1) * 50;
return `${scale}% ${scale}%`;
}
/** Dynamically generates a style tag containing the correct animation for this diameter. */
_attachStyleNode() {
const styleRoot = this._styleRoot;
const currentDiameter = this._diameter;
const diameters = MatLegacyProgressSpinner._diameters;
let diametersForElement = diameters.get(styleRoot);
if (!diametersForElement || !diametersForElement.has(currentDiameter)) {
const styleTag = this._document.createElement('style');
if (this._nonce) {
styleTag.nonce = this._nonce;
}
styleTag.setAttribute('mat-spinner-animation', this._spinnerAnimationLabel);
styleTag.textContent = this._getAnimationText();
styleRoot.appendChild(styleTag);
if (!diametersForElement) {
diametersForElement = new Set();
diameters.set(styleRoot, diametersForElement);
}
diametersForElement.add(currentDiameter);
}
}
/** Generates animation styles adjusted for the spinner's diameter. */
_getAnimationText() {
const strokeCircumference = this._getStrokeCircumference();
return (INDETERMINATE_ANIMATION_TEMPLATE
// Animation should begin at 5% and end at 80%
.replace(/START_VALUE/g, `${0.95 * strokeCircumference}`)
.replace(/END_VALUE/g, `${0.2 * strokeCircumference}`)
.replace(/DIAMETER/g, `${this._spinnerAnimationLabel}`));
}
/** Returns the circle diameter formatted for use with the animation-name CSS property. */
_getSpinnerAnimationLabel() {
// The string of a float point number will include a period ‘.’ character,
// which is not valid for a CSS animation-name.
return this.diameter.toString().replace('.', '_');
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatLegacyProgressSpinner, deps: [{ token: i0.ElementRef }, { token: i1.Platform }, { token: DOCUMENT, optional: true }, { token: ANIMATION_MODULE_TYPE, optional: true }, { token: MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS }, { token: i0.ChangeDetectorRef }, { token: i2.ViewportRuler }, { token: i0.NgZone }, { token: CSP_NONCE, optional: true }], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.0.0", type: MatLegacyProgressSpinner, selector: "mat-progress-spinner, mat-spinner", inputs: { color: "color", diameter: "diameter", strokeWidth: "strokeWidth", mode: "mode", value: "value" }, host: { attributes: { "role": "progressbar", "tabindex": "-1" }, properties: { "class._mat-animation-noopable": "_noopAnimations", "style.width.px": "diameter", "style.height.px": "diameter", "attr.aria-valuemin": "mode === \"determinate\" ? 0 : null", "attr.aria-valuemax": "mode === \"determinate\" ? 100 : null", "attr.aria-valuenow": "mode === \"determinate\" ? value : null", "attr.mode": "mode" }, classAttribute: "mat-progress-spinner mat-spinner" }, exportAs: ["matProgressSpinner"], usesInheritance: true, ngImport: i0, template: "<!--\n preserveAspectRatio of xMidYMid meet as the center of the viewport is the circle's\n center. The center of the circle will remain at the center of the mat-progress-spinner\n element containing the SVG.\n-->\n<!--\n All children need to be hidden for screen readers in order to support ChromeVox.\n More context in the issue: https://github.com/angular/components/issues/22165.\n-->\n<svg\n [style.width.px]=\"diameter\"\n [style.height.px]=\"diameter\"\n [attr.viewBox]=\"_getViewBox()\"\n preserveAspectRatio=\"xMidYMid meet\"\n focusable=\"false\"\n [ngSwitch]=\"mode === 'indeterminate'\"\n aria-hidden=\"true\"\n #svg>\n\n <!--\n Technically we can reuse the same `circle` element, however Safari has an issue that breaks\n the SVG rendering in determinate mode, after switching between indeterminate and determinate.\n Using a different element avoids the issue. An alternative to this is adding `display: none`\n for a split second and then removing it when switching between modes, but it's hard to know\n for how long to hide the element and it can cause the UI to blink.\n -->\n <circle\n *ngSwitchCase=\"true\"\n cx=\"50%\"\n cy=\"50%\"\n [attr.r]=\"_getCircleRadius()\"\n [style.animation-name]=\"'mat-progress-spinner-stroke-rotate-' + _spinnerAnimationLabel\"\n [style.stroke-dashoffset.px]=\"_getStrokeDashOffset()\"\n [style.stroke-dasharray.px]=\"_getStrokeCircumference()\"\n [style.stroke-width.%]=\"_getCircleStrokeWidth()\"\n [style.transform-origin]=\"_getCircleTransformOrigin(svg)\"></circle>\n\n <circle\n *ngSwitchCase=\"false\"\n cx=\"50%\"\n cy=\"50%\"\n [attr.r]=\"_getCircleRadius()\"\n [style.stroke-dashoffset.px]=\"_getStrokeDashOffset()\"\n [style.stroke-dasharray.px]=\"_getStrokeCircumference()\"\n [style.stroke-width.%]=\"_getCircleStrokeWidth()\"\n [style.transform-origin]=\"_getCircleTransformOrigin(svg)\"></circle>\n</svg>\n", styles: [".mat-progress-spinner{display:block;position:relative;overflow:hidden}.mat-progress-spinner svg{position:absolute;transform:rotate(-90deg);top:0;left:0;transform-origin:center;overflow:visible}.mat-progress-spinner circle{fill:rgba(0,0,0,0);transition:stroke-dashoffset 225ms linear}.cdk-high-contrast-active .mat-progress-spinner circle{stroke:CanvasText}.mat-progress-spinner[mode=indeterminate] svg{animation:mat-progress-spinner-linear-rotate 2000ms linear infinite}.mat-progress-spinner[mode=indeterminate] circle{transition-property:stroke;animation-duration:4000ms;animation-timing-function:cubic-bezier(0.35, 0, 0.25, 1);animation-iteration-count:infinite}.mat-progress-spinner._mat-animation-noopable svg,.mat-progress-spinner._mat-animation-noopable circle{animation:none;transition:none}@keyframes mat-progress-spinner-linear-rotate{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes mat-progress-spinner-stroke-rotate-100{0%{stroke-dashoffset:268.606171575px;transform:rotate(0)}12.5%{stroke-dashoffset:56.5486677px;transform:rotate(0)}12.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(72.5deg)}25%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(72.5deg)}25.0001%{stroke-dashoffset:268.606171575px;transform:rotate(270deg)}37.5%{stroke-dashoffset:56.5486677px;transform:rotate(270deg)}37.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(161.5deg)}50%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(161.5deg)}50.0001%{stroke-dashoffset:268.606171575px;transform:rotate(180deg)}62.5%{stroke-dashoffset:56.5486677px;transform:rotate(180deg)}62.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(251.5deg)}75%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(251.5deg)}75.0001%{stroke-dashoffset:268.606171575px;transform:rotate(90deg)}87.5%{stroke-dashoffset:56.5486677px;transform:rotate(90deg)}87.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(341.5deg)}100%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(341.5deg)}}"], dependencies: [{ kind: "directive", type: i3.NgSwitch, selector: "[ngSwitch]", inputs: ["ngSwitch"] }, { kind: "directive", type: i3.NgSwitchCase, selector: "[ngSwitchCase]", inputs: ["ngSwitchCase"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None }); }
}
export { MatLegacyProgressSpinner };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.0", ngImport: i0, type: MatLegacyProgressSpinner, decorators: [{
type: Component,
args: [{ selector: 'mat-progress-spinner, mat-spinner', exportAs: 'matProgressSpinner', host: {
'role': 'progressbar',
// `mat-spinner` is here for backward compatibility.
'class': 'mat-progress-spinner mat-spinner',
// set tab index to -1 so screen readers will read the aria-label
// Note: there is a known issue with JAWS that does not read progressbar aria labels on FireFox
'tabindex': '-1',
'[class._mat-animation-noopable]': `_noopAnimations`,
'[style.width.px]': 'diameter',
'[style.height.px]': 'diameter',
'[attr.aria-valuemin]': 'mode === "determinate" ? 0 : null',
'[attr.aria-valuemax]': 'mode === "determinate" ? 100 : null',
'[attr.aria-valuenow]': 'mode === "determinate" ? value : null',
'[attr.mode]': 'mode',
}, inputs: ['color'], changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, template: "<!--\n preserveAspectRatio of xMidYMid meet as the center of the viewport is the circle's\n center. The center of the circle will remain at the center of the mat-progress-spinner\n element containing the SVG.\n-->\n<!--\n All children need to be hidden for screen readers in order to support ChromeVox.\n More context in the issue: https://github.com/angular/components/issues/22165.\n-->\n<svg\n [style.width.px]=\"diameter\"\n [style.height.px]=\"diameter\"\n [attr.viewBox]=\"_getViewBox()\"\n preserveAspectRatio=\"xMidYMid meet\"\n focusable=\"false\"\n [ngSwitch]=\"mode === 'indeterminate'\"\n aria-hidden=\"true\"\n #svg>\n\n <!--\n Technically we can reuse the same `circle` element, however Safari has an issue that breaks\n the SVG rendering in determinate mode, after switching between indeterminate and determinate.\n Using a different element avoids the issue. An alternative to this is adding `display: none`\n for a split second and then removing it when switching between modes, but it's hard to know\n for how long to hide the element and it can cause the UI to blink.\n -->\n <circle\n *ngSwitchCase=\"true\"\n cx=\"50%\"\n cy=\"50%\"\n [attr.r]=\"_getCircleRadius()\"\n [style.animation-name]=\"'mat-progress-spinner-stroke-rotate-' + _spinnerAnimationLabel\"\n [style.stroke-dashoffset.px]=\"_getStrokeDashOffset()\"\n [style.stroke-dasharray.px]=\"_getStrokeCircumference()\"\n [style.stroke-width.%]=\"_getCircleStrokeWidth()\"\n [style.transform-origin]=\"_getCircleTransformOrigin(svg)\"></circle>\n\n <circle\n *ngSwitchCase=\"false\"\n cx=\"50%\"\n cy=\"50%\"\n [attr.r]=\"_getCircleRadius()\"\n [style.stroke-dashoffset.px]=\"_getStrokeDashOffset()\"\n [style.stroke-dasharray.px]=\"_getStrokeCircumference()\"\n [style.stroke-width.%]=\"_getCircleStrokeWidth()\"\n [style.transform-origin]=\"_getCircleTransformOrigin(svg)\"></circle>\n</svg>\n", styles: [".mat-progress-spinner{display:block;position:relative;overflow:hidden}.mat-progress-spinner svg{position:absolute;transform:rotate(-90deg);top:0;left:0;transform-origin:center;overflow:visible}.mat-progress-spinner circle{fill:rgba(0,0,0,0);transition:stroke-dashoffset 225ms linear}.cdk-high-contrast-active .mat-progress-spinner circle{stroke:CanvasText}.mat-progress-spinner[mode=indeterminate] svg{animation:mat-progress-spinner-linear-rotate 2000ms linear infinite}.mat-progress-spinner[mode=indeterminate] circle{transition-property:stroke;animation-duration:4000ms;animation-timing-function:cubic-bezier(0.35, 0, 0.25, 1);animation-iteration-count:infinite}.mat-progress-spinner._mat-animation-noopable svg,.mat-progress-spinner._mat-animation-noopable circle{animation:none;transition:none}@keyframes mat-progress-spinner-linear-rotate{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes mat-progress-spinner-stroke-rotate-100{0%{stroke-dashoffset:268.606171575px;transform:rotate(0)}12.5%{stroke-dashoffset:56.5486677px;transform:rotate(0)}12.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(72.5deg)}25%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(72.5deg)}25.0001%{stroke-dashoffset:268.606171575px;transform:rotate(270deg)}37.5%{stroke-dashoffset:56.5486677px;transform:rotate(270deg)}37.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(161.5deg)}50%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(161.5deg)}50.0001%{stroke-dashoffset:268.606171575px;transform:rotate(180deg)}62.5%{stroke-dashoffset:56.5486677px;transform:rotate(180deg)}62.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(251.5deg)}75%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(251.5deg)}75.0001%{stroke-dashoffset:268.606171575px;transform:rotate(90deg)}87.5%{stroke-dashoffset:56.5486677px;transform:rotate(90deg)}87.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(341.5deg)}100%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(341.5deg)}}"] }]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.Platform }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [DOCUMENT]
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [ANIMATION_MODULE_TYPE]
}] }, { type: undefined, decorators: [{
type: Inject,
args: [MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS]
}] }, { type: i0.ChangeDetectorRef }, { type: i2.ViewportRuler }, { type: i0.NgZone }, { type: undefined, decorators: [{
type: Inject,
args: [CSP_NONCE]
}, {
type: Optional
}] }]; }, propDecorators: { diameter: [{
type: Input
}], strokeWidth: [{
type: Input
}], mode: [{
type: Input
}], value: [{
type: Input
}] } });
//# 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* @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 {Platform, _getShadowRoot} from '@angular/cdk/platform';\nimport {ViewportRuler} from '@angular/cdk/scrolling';\nimport {DOCUMENT} from '@angular/common';\nimport {\n  ChangeDetectionStrategy,\n  Component,\n  ElementRef,\n  Inject,\n  Input,\n  Optional,\n  ViewEncapsulation,\n  OnInit,\n  ChangeDetectorRef,\n  OnDestroy,\n  NgZone,\n  CSP_NONCE,\n} from '@angular/core';\nimport {CanColor, mixinColor} from '@angular/material/core';\nimport {ANIMATION_MODULE_TYPE} from '@angular/platform-browser/animations';\nimport {\n  MatProgressSpinnerDefaultOptions,\n  MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS,\n  ProgressSpinnerMode,\n} from '@angular/material/progress-spinner';\nimport {Subscription} from 'rxjs';\n\n/**\n * Base reference size of the spinner.\n * @docs-private\n */\nconst BASE_SIZE = 100;\n\n/**\n * Base reference stroke width of the spinner.\n * @docs-private\n */\nconst BASE_STROKE_WIDTH = 10;\n\n// Boilerplate for applying mixins to MatLegacyProgressSpinner.\n/** @docs-private */\nconst _MatProgressSpinnerBase = mixinColor(\n  class {\n    constructor(public _elementRef: ElementRef) {}\n  },\n  'primary',\n);\n\n// .0001 percentage difference is necessary in order to avoid unwanted animation frames\n// for example because the animation duration is 4 seconds, .1% accounts to 4ms\n// which are enough to see the flicker described in\n// https://github.com/angular/components/issues/8984\nconst INDETERMINATE_ANIMATION_TEMPLATE = `\n @keyframes mat-progress-spinner-stroke-rotate-DIAMETER {\n    0%      { stroke-dashoffset: START_VALUE;  transform: rotate(0); }\n    12.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(0); }\n    12.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(72.5deg); }\n    25%     { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(72.5deg); }\n\n    25.0001%   { stroke-dashoffset: START_VALUE;  transform: rotate(270deg); }\n    37.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(270deg); }\n    37.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(161.5deg); }\n    50%     { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(161.5deg); }\n\n    50.0001%  { stroke-dashoffset: START_VALUE;  transform: rotate(180deg); }\n    62.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(180deg); }\n    62.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(251.5deg); }\n    75%     { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(251.5deg); }\n\n    75.0001%  { stroke-dashoffset: START_VALUE;  transform: rotate(90deg); }\n    87.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(90deg); }\n    87.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(341.5deg); }\n    100%    { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(341.5deg); }\n  }\n`;\n\n/**\n * `<mat-progress-spinner>` component.\n * @deprecated Use `MatProgressSpinner` from `@angular/material/progress-spinner` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\n@Component({\n  selector: 'mat-progress-spinner, mat-spinner',\n  exportAs: 'matProgressSpinner',\n  host: {\n    'role': 'progressbar',\n    // `mat-spinner` is here for backward compatibility.\n    'class': 'mat-progress-spinner mat-spinner',\n    // set tab index to -1 so screen readers will read the aria-label\n    // Note: there is a known issue with JAWS that does not read progressbar aria labels on FireFox\n    'tabindex': '-1',\n    '[class._mat-animation-noopable]': `_noopAnimations`,\n    '[style.width.px]': 'diameter',\n    '[style.height.px]': 'diameter',\n    '[attr.aria-valuemin]': 'mode === \"determinate\" ? 0 : null',\n    '[attr.aria-valuemax]': 'mode === \"determinate\" ? 100 : null',\n    '[attr.aria-valuenow]': 'mode === \"determinate\" ? value : null',\n    '[attr.mode]': 'mode',\n  },\n  inputs: ['color'],\n  templateUrl: 'progress-spinner.html',\n  styleUrls: ['progress-spinner.css'],\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n})\nexport class MatLegacyProgressSpinner\n  extends _MatProgressSpinnerBase\n  implements OnInit, OnDestroy, CanColor\n{\n  private _diameter = BASE_SIZE;\n  private _value = 0;\n  private _strokeWidth: number;\n  private _resizeSubscription = Subscription.EMPTY;\n\n  /**\n   * Element to which we should add the generated style tags for the indeterminate animation.\n   * For most elements this is the document, but for the ones in the Shadow DOM we need to\n   * use the shadow root.\n   */\n  private _styleRoot: Node;\n\n  /**\n   * Tracks diameters of existing instances to de-dupe generated styles (default d = 100).\n   * We need to keep track of which elements the diameters were attached to, because for\n   * elements in the Shadow DOM the style tags are attached to the shadow root, rather\n   * than the document head.\n   */\n  private static _diameters = new WeakMap<Node, Set<number>>();\n\n  /** Whether the _mat-animation-noopable class should be applied, disabling animations.  */\n  _noopAnimations: boolean;\n\n  /** A string that is used for setting the spinner animation-name CSS property */\n  _spinnerAnimationLabel: string;\n\n  /** The diameter of the progress spinner (will set width and height of svg). */\n  @Input()\n  get diameter(): number {\n    return this._diameter;\n  }\n  set diameter(size: NumberInput) {\n    this._diameter = coerceNumberProperty(size);\n    this._spinnerAnimationLabel = this._getSpinnerAnimationLabel();\n\n    // If this is set before `ngOnInit`, the style root may not have been resolved yet.\n    if (this._styleRoot) {\n      this._attachStyleNode();\n    }\n  }\n\n  /** Stroke width of the progress spinner. */\n  @Input()\n  get strokeWidth(): number {\n    return this._strokeWidth || this.diameter / 10;\n  }\n  set strokeWidth(value: NumberInput) {\n    this._strokeWidth = coerceNumberProperty(value);\n  }\n\n  /** Mode of the progress circle */\n  @Input() mode: ProgressSpinnerMode = 'determinate';\n\n  /** Value of the progress circle. */\n  @Input()\n  get value(): number {\n    return this.mode === 'determinate' ? this._value : 0;\n  }\n  set value(newValue: NumberInput) {\n    this._value = Math.max(0, Math.min(100, coerceNumberProperty(newValue)));\n  }\n\n  constructor(\n    elementRef: ElementRef<HTMLElement>,\n    _platform: Platform,\n    @Optional() @Inject(DOCUMENT) private _document: any,\n    @Optional() @Inject(ANIMATION_MODULE_TYPE) animationMode: string,\n    @Inject(MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS)\n    defaults?: MatProgressSpinnerDefaultOptions,\n    /**\n     * @deprecated `changeDetectorRef`, `viewportRuler` and `ngZone`\n     * parameters to become required.\n     * @breaking-change 14.0.0\n     */\n    changeDetectorRef?: ChangeDetectorRef,\n    viewportRuler?: ViewportRuler,\n    ngZone?: NgZone,\n    @Inject(CSP_NONCE) @Optional() private _nonce?: string | null,\n  ) {\n    super(elementRef);\n\n    const trackedDiameters = MatLegacyProgressSpinner._diameters;\n    this._spinnerAnimationLabel = this._getSpinnerAnimationLabel();\n\n    // The base size is already inserted via the component's structural styles. We still\n    // need to track it so we don't end up adding the same styles again.\n    if (!trackedDiameters.has(_document.head)) {\n      trackedDiameters.set(_document.head, new Set<number>([BASE_SIZE]));\n    }\n\n    this._noopAnimations =\n      animationMode === 'NoopAnimations' && !!defaults && !defaults._forceAnimations;\n\n    if (elementRef.nativeElement.nodeName.toLowerCase() === 'mat-spinner') {\n      this.mode = 'indeterminate';\n    }\n\n    if (defaults) {\n      if (defaults.color) {\n        this.color = this.defaultColor = defaults.color;\n      }\n\n      if (defaults.diameter) {\n        this.diameter = defaults.diameter;\n      }\n\n      if (defaults.strokeWidth) {\n        this.strokeWidth = defaults.strokeWidth;\n      }\n    }\n\n    // Safari has an issue where the circle isn't positioned correctly when the page has a\n    // different zoom level from the default. This handler triggers a recalculation of the\n    // `transform-origin` when the page zoom level changes.\n    // See `_getCircleTransformOrigin` for more info.\n    // @breaking-change 14.0.0 Remove null checks for `_changeDetectorRef`,\n    // `viewportRuler` and `ngZone`.\n    if (_platform.isBrowser && _platform.SAFARI && viewportRuler && changeDetectorRef && ngZone) {\n      this._resizeSubscription = viewportRuler.change(150).subscribe(() => {\n        // When the window is resize while the spinner is in `indeterminate` mode, we\n        // have to mark for check so the transform origin of the circle can be recomputed.\n        if (this.mode === 'indeterminate') {\n          ngZone.run(() => changeDetectorRef.markForCheck());\n        }\n      });\n    }\n  }\n\n  ngOnInit() {\n    const element = this._elementRef.nativeElement;\n\n    // Note that we need to look up the root node in ngOnInit, rather than the constructor, because\n    // Angular seems to create the element outside the shadow root and then moves it inside, if the\n    // node is inside an `ngIf` and a ShadowDom-encapsulated component.\n    this._styleRoot = _getShadowRoot(element) || this._document.head;\n    this._attachStyleNode();\n    element.classList.add('mat-progress-spinner-indeterminate-animation');\n  }\n\n  ngOnDestroy() {\n    this._resizeSubscription.unsubscribe();\n  }\n\n  /** The radius of the spinner, adjusted for stroke width. */\n  _getCircleRadius() {\n    return (this.diameter - BASE_STROKE_WIDTH) / 2;\n  }\n\n  /** The view box of the spinner's svg element. */\n  _getViewBox() {\n    const viewBox = this._getCircleRadius() * 2 + this.strokeWidth;\n    return `0 0 ${viewBox} ${viewBox}`;\n  }\n\n  /** The stroke circumference of the svg circle. */\n  _getStrokeCircumference(): number {\n    return 2 * Math.PI * this._getCircleRadius();\n  }\n\n  /** The dash offset of the svg circle. */\n  _getStrokeDashOffset() {\n    if (this.mode === 'determinate') {\n      return (this._getStrokeCircumference() * (100 - this._value)) / 100;\n    }\n\n    return null;\n  }\n\n  /** Stroke width of the circle in percent. */\n  _getCircleStrokeWidth() {\n    return (this.strokeWidth / this.diameter) * 100;\n  }\n\n  /** Gets the `transform-origin` for the inner circle element. */\n  _getCircleTransformOrigin(svg: HTMLElement): string {\n    // Safari has an issue where the `transform-origin` doesn't work as expected when the page\n    // has a different zoom level from the default. The problem appears to be that a zoom\n    // is applied on the `svg` node itself. We can work around it by calculating the origin\n    // based on the zoom level. On all other browsers the `currentScale` appears to always be 1.\n    const scale = ((svg as unknown as SVGSVGElement).currentScale ?? 1) * 50;\n    return `${scale}% ${scale}%`;\n  }\n\n  /** Dynamically generates a style tag containing the correct animation for this diameter. */\n  private _attachStyleNode(): void {\n    const styleRoot = this._styleRoot;\n    const currentDiameter = this._diameter;\n    const diameters = MatLegacyProgressSpinner._diameters;\n    let diametersForElement = diameters.get(styleRoot);\n\n    if (!diametersForElement || !diametersForElement.has(currentDiameter)) {\n      const styleTag: HTMLStyleElement = this._document.createElement('style');\n\n      if (this._nonce) {\n        styleTag.nonce = this._nonce;\n      }\n\n      styleTag.setAttribute('mat-spinner-animation', this._spinnerAnimationLabel);\n      styleTag.textContent = this._getAnimationText();\n      styleRoot.appendChild(styleTag);\n\n      if (!diametersForElement) {\n        diametersForElement = new Set<number>();\n        diameters.set(styleRoot, diametersForElement);\n      }\n\n      diametersForElement.add(currentDiameter);\n    }\n  }\n\n  /** Generates animation styles adjusted for the spinner's diameter. */\n  private _getAnimationText(): string {\n    const strokeCircumference = this._getStrokeCircumference();\n    return (\n      INDETERMINATE_ANIMATION_TEMPLATE\n        // Animation should begin at 5% and end at 80%\n        .replace(/START_VALUE/g, `${0.95 * strokeCircumference}`)\n        .replace(/END_VALUE/g, `${0.2 * strokeCircumference}`)\n        .replace(/DIAMETER/g, `${this._spinnerAnimationLabel}`)\n    );\n  }\n\n  /** Returns the circle diameter formatted for use with the animation-name CSS property. */\n  private _getSpinnerAnimationLabel(): stri