@angular/material
Version:
Angular Material
97 lines • 14.3 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 { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { merge, Subject } from 'rxjs';
import { filter, take } from 'rxjs/operators';
/**
* Reference to a bottom sheet dispatched from the bottom sheet service.
*/
export class MatBottomSheetRef {
constructor(_ref, config, containerInstance) {
this._ref = _ref;
/** Subject for notifying the user that the bottom sheet has opened and appeared. */
this._afterOpened = new Subject();
this.containerInstance = containerInstance;
this.disableClose = config.disableClose;
// Emit when opening animation completes
containerInstance._animationStateChanged
.pipe(filter(event => event.phaseName === 'done' && event.toState === 'visible'), take(1))
.subscribe(() => {
this._afterOpened.next();
this._afterOpened.complete();
});
// Dispose overlay when closing animation is complete
containerInstance._animationStateChanged
.pipe(filter(event => event.phaseName === 'done' && event.toState === 'hidden'), take(1))
.subscribe(() => {
clearTimeout(this._closeFallbackTimeout);
this._ref.close(this._result);
});
_ref.overlayRef.detachments().subscribe(() => {
this._ref.close(this._result);
});
merge(this.backdropClick(), this.keydownEvents().pipe(filter(event => event.keyCode === ESCAPE))).subscribe(event => {
if (!this.disableClose &&
(event.type !== 'keydown' || !hasModifierKey(event))) {
event.preventDefault();
this.dismiss();
}
});
}
/** Instance of the component making up the content of the bottom sheet. */
get instance() {
return this._ref.componentInstance;
}
/**
* Dismisses the bottom sheet.
* @param result Data to be passed back to the bottom sheet opener.
*/
dismiss(result) {
if (!this.containerInstance) {
return;
}
// Transition the backdrop in parallel to the bottom sheet.
this.containerInstance._animationStateChanged
.pipe(filter(event => event.phaseName === 'start'), take(1))
.subscribe(event => {
// The logic that disposes of the overlay depends on the exit animation completing, however
// it isn't guaranteed if the parent view is destroyed while it's running. Add a fallback
// timeout which will clean everything up if the animation hasn't fired within the specified
// amount of time plus 100ms. We don't need to run this outside the NgZone, because for the
// vast majority of cases the timeout will have been cleared before it has fired.
this._closeFallbackTimeout = setTimeout(() => {
this._ref.close(this._result);
}, event.totalTime + 100);
this._ref.overlayRef.detachBackdrop();
});
this._result = result;
this.containerInstance.exit();
this.containerInstance = null;
}
/** Gets an observable that is notified when the bottom sheet is finished closing. */
afterDismissed() {
return this._ref.closed;
}
/** Gets an observable that is notified when the bottom sheet has opened and appeared. */
afterOpened() {
return this._afterOpened;
}
/**
* Gets an observable that emits when the overlay's backdrop has been clicked.
*/
backdropClick() {
return this._ref.backdropClick;
}
/**
* Gets an observable that emits when keydown events are targeted on the overlay.
*/
keydownEvents() {
return this._ref.keydownEvents;
}
}
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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 {DialogRef} from '@angular/cdk/dialog';\nimport {ESCAPE, hasModifierKey} from '@angular/cdk/keycodes';\nimport {merge, Observable, Subject} from 'rxjs';\nimport {filter, take} from 'rxjs/operators';\nimport {MatBottomSheetConfig} from './bottom-sheet-config';\nimport {MatBottomSheetContainer} from './bottom-sheet-container';\n\n/**\n * Reference to a bottom sheet dispatched from the bottom sheet service.\n */\nexport class MatBottomSheetRef<T = any, R = any> {\n  /** Instance of the component making up the content of the bottom sheet. */\n  get instance(): T {\n    return this._ref.componentInstance!;\n  }\n\n  /**\n   * Instance of the component into which the bottom sheet content is projected.\n   * @docs-private\n   */\n  containerInstance: MatBottomSheetContainer;\n\n  /** Whether the user is allowed to close the bottom sheet. */\n  disableClose: boolean | undefined;\n\n  /** Subject for notifying the user that the bottom sheet has opened and appeared. */\n  private readonly _afterOpened = new Subject<void>();\n\n  /** Result to be passed down to the `afterDismissed` stream. */\n  private _result: R | undefined;\n\n  /** Handle to the timeout that's running as a fallback in case the exit animation doesn't fire. */\n  private _closeFallbackTimeout: number;\n\n  constructor(\n    private _ref: DialogRef<R, T>,\n    config: MatBottomSheetConfig,\n    containerInstance: MatBottomSheetContainer,\n  ) {\n    this.containerInstance = containerInstance;\n    this.disableClose = config.disableClose;\n\n    // Emit when opening animation completes\n    containerInstance._animationStateChanged\n      .pipe(\n        filter(event => event.phaseName === 'done' && event.toState === 'visible'),\n        take(1),\n      )\n      .subscribe(() => {\n        this._afterOpened.next();\n        this._afterOpened.complete();\n      });\n\n    // Dispose overlay when closing animation is complete\n    containerInstance._animationStateChanged\n      .pipe(\n        filter(event => event.phaseName === 'done' && event.toState === 'hidden'),\n        take(1),\n      )\n      .subscribe(() => {\n        clearTimeout(this._closeFallbackTimeout);\n        this._ref.close(this._result);\n      });\n\n    _ref.overlayRef.detachments().subscribe(() => {\n      this._ref.close(this._result);\n    });\n\n    merge(\n      this.backdropClick(),\n      this.keydownEvents().pipe(filter(event => event.keyCode === ESCAPE)),\n    ).subscribe(event => {\n      if (\n        !this.disableClose &&\n        (event.type !== 'keydown' || !hasModifierKey(event as KeyboardEvent))\n      ) {\n        event.preventDefault();\n        this.dismiss();\n      }\n    });\n  }\n\n  /**\n   * Dismisses the bottom sheet.\n   * @param result Data to be passed back to the bottom sheet opener.\n   */\n  dismiss(result?: R): void {\n    if (!this.containerInstance) {\n      return;\n    }\n\n    // Transition the backdrop in parallel to the bottom sheet.\n    this.containerInstance._animationStateChanged\n      .pipe(\n        filter(event => event.phaseName === 'start'),\n        take(1),\n      )\n      .subscribe(event => {\n        // The logic that disposes of the overlay depends on the exit animation completing, however\n        // it isn't guaranteed if the parent view is destroyed while it's running. Add a fallback\n        // timeout which will clean everything up if the animation hasn't fired within the specified\n        // amount of time plus 100ms. We don't need to run this outside the NgZone, because for the\n        // vast majority of cases the timeout will have been cleared before it has fired.\n        this._closeFallbackTimeout = setTimeout(() => {\n          this._ref.close(this._result);\n        }, event.totalTime + 100);\n\n        this._ref.overlayRef.detachBackdrop();\n      });\n\n    this._result = result;\n    this.containerInstance.exit();\n    this.containerInstance = null!;\n  }\n\n  /** Gets an observable that is notified when the bottom sheet is finished closing. */\n  afterDismissed(): Observable<R | undefined> {\n    return this._ref.closed;\n  }\n\n  /** Gets an observable that is notified when the bottom sheet has opened and appeared. */\n  afterOpened(): Observable<void> {\n    return this._afterOpened;\n  }\n\n  /**\n   * Gets an observable that emits when the overlay's backdrop has been clicked.\n   */\n  backdropClick(): Observable<MouseEvent> {\n    return this._ref.backdropClick;\n  }\n\n  /**\n   * Gets an observable that emits when keydown events are targeted on the overlay.\n   */\n  keydownEvents(): Observable<KeyboardEvent> {\n    return this._ref.keydownEvents;\n  }\n}\n"]}