@angular/material
Version:
Angular Material
90 lines • 12 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 { Subject } from 'rxjs';
/** Maximum amount of milliseconds that can be passed into setTimeout. */
const MAX_TIMEOUT = Math.pow(2, 31) - 1;
/**
* Reference to a snack bar dispatched from the snack bar service.
*/
export class MatSnackBarRef {
constructor(containerInstance, _overlayRef) {
this._overlayRef = _overlayRef;
/** Subject for notifying the user that the snack bar has been dismissed. */
this._afterDismissed = new Subject();
/** Subject for notifying the user that the snack bar has opened and appeared. */
this._afterOpened = new Subject();
/** Subject for notifying the user that the snack bar action was called. */
this._onAction = new Subject();
/** Whether the snack bar was dismissed using the action button. */
this._dismissedByAction = false;
this.containerInstance = containerInstance;
// Dismiss snackbar on action.
this.onAction().subscribe(() => this.dismiss());
containerInstance._onExit.subscribe(() => this._finishDismiss());
}
/** Dismisses the snack bar. */
dismiss() {
if (!this._afterDismissed.closed) {
this.containerInstance.exit();
}
clearTimeout(this._durationTimeoutId);
}
/** Marks the snackbar action clicked. */
dismissWithAction() {
if (!this._onAction.closed) {
this._dismissedByAction = true;
this._onAction.next();
this._onAction.complete();
}
clearTimeout(this._durationTimeoutId);
}
/**
* Marks the snackbar action clicked.
* @deprecated Use `dismissWithAction` instead.
* @breaking-change 8.0.0
*/
closeWithAction() {
this.dismissWithAction();
}
/** Dismisses the snack bar after some duration */
_dismissAfter(duration) {
// Note that we need to cap the duration to the maximum value for setTimeout, because
// it'll revert to 1 if somebody passes in something greater (e.g. `Infinity`). See #17234.
this._durationTimeoutId = setTimeout(() => this.dismiss(), Math.min(duration, MAX_TIMEOUT));
}
/** Marks the snackbar as opened */
_open() {
if (!this._afterOpened.closed) {
this._afterOpened.next();
this._afterOpened.complete();
}
}
/** Cleans up the DOM after closing. */
_finishDismiss() {
this._overlayRef.dispose();
if (!this._onAction.closed) {
this._onAction.complete();
}
this._afterDismissed.next({ dismissedByAction: this._dismissedByAction });
this._afterDismissed.complete();
this._dismissedByAction = false;
}
/** Gets an observable that is notified when the snack bar is finished closing. */
afterDismissed() {
return this._afterDismissed;
}
/** Gets an observable that is notified when the snack bar has opened and appeared. */
afterOpened() {
return this.containerInstance._onEnter;
}
/** Gets an observable that is notified when the snack bar action is called. */
onAction() {
return this._onAction;
}
}
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Used to clear the timeout if the snackbar is\n   * dismissed before the duration passes.\n   */\n  private _durationTimeoutId: number;\n\n  /** Whether the snack bar was dismissed using the action button. */\n  private _dismissedByAction = false;\n\n  constructor(containerInstance: _SnackBarContainer, private _overlayRef: OverlayRef) {\n    this.containerInstance = containerInstance;\n    // Dismiss snackbar on action.\n    this.onAction().subscribe(() => this.dismiss());\n    containerInstance._onExit.subscribe(() => this._finishDismiss());\n  }\n\n  /** Dismisses the snack bar. */\n  dismiss(): void {\n    if (!this._afterDismissed.closed) {\n      this.containerInstance.exit();\n    }\n    clearTimeout(this._durationTimeoutId);\n  }\n\n  /** Marks the snackbar action clicked. */\n  dismissWithAction(): void {\n    if (!this._onAction.closed) {\n      this._dismissedByAction = true;\n      this._onAction.next();\n      this._onAction.complete();\n    }\n    clearTimeout(this._durationTimeoutId);\n  }\n\n  /**\n   * Marks the snackbar action clicked.\n   * @deprecated Use `dismissWithAction` instead.\n   * @breaking-change 8.0.0\n   */\n  closeWithAction(): void {\n    this.dismissWithAction();\n  }\n\n  /** Dismisses the snack bar after some duration */\n  _dismissAfter(duration: number): void {\n    // Note that we need to cap the duration to the maximum value for setTimeout, because\n    // it'll revert to 1 if somebody passes in something greater (e.g. `Infinity`). See #17234.\n    this._durationTimeoutId = setTimeout(() => this.dismiss(), Math.min(duration, MAX_TIMEOUT));\n  }\n\n  /** Marks the snackbar as opened */\n  _open(): void {\n    if (!this._afterOpened.closed) {\n      this._afterOpened.next();\n      this._afterOpened.complete();\n    }\n  }\n\n  /** Cleans up the DOM after closing. */\n  private _finishDismiss(): void {\n    this._overlayRef.dispose();\n\n    if (!this._onAction.closed) {\n      this._onAction.complete();\n    }\n\n    this._afterDismissed.next({dismissedByAction: this._dismissedByAction});\n    this._afterDismissed.complete();\n    this._dismissedByAction = false;\n  }\n\n  /** Gets an observable that is notified when the snack bar is finished closing. */\n  afterDismissed(): Observable<MatSnackBarDismiss> {\n    return this._afterDismissed;\n  }\n\n  /** Gets an observable that is notified when the snack bar has opened and appeared. */\n  afterOpened(): Observable<void> {\n    return this.containerInstance._onEnter;\n  }\n\n  /** Gets an observable that is notified when the snack bar action is called. */\n  onAction(): Observable<void> {\n    return this._onAction;\n  }\n}\n"]}