source: trip-planner-front/node_modules/@angular/cdk/esm2015/clipboard/copy-to-clipboard.js@ bdd6491

/**
 * @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 { Directive, EventEmitter, Input, Output, NgZone, InjectionToken, Inject, Optional, } from '@angular/core';
import { Clipboard } from './clipboard';
/** Injection token that can be used to provide the default options to `CdkCopyToClipboard`. */
export const CDK_COPY_TO_CLIPBOARD_CONFIG = new InjectionToken('CDK_COPY_TO_CLIPBOARD_CONFIG');
/**
 * @deprecated Use `CDK_COPY_TO_CLIPBOARD_CONFIG` instead.
 * @breaking-change 13.0.0
 */
export const CKD_COPY_TO_CLIPBOARD_CONFIG = CDK_COPY_TO_CLIPBOARD_CONFIG;
/**
 * Provides behavior for a button that when clicked copies content into user's
 * clipboard.
 */
export class CdkCopyToClipboard {
    constructor(_clipboard, _ngZone, config) {
        this._clipboard = _clipboard;
        this._ngZone = _ngZone;
        /** Content to be copied. */
        this.text = '';
        /**
         * How many times to attempt to copy the text. This may be necessary for longer text, because
         * the browser needs time to fill an intermediate textarea element and copy the content.
         */
        this.attempts = 1;
        /**
         * Emits when some text is copied to the clipboard. The
         * emitted value indicates whether copying was successful.
         */
        this.copied = new EventEmitter();
        /** Copies that are currently being attempted. */
        this._pending = new Set();
        if (config && config.attempts != null) {
            this.attempts = config.attempts;
        }
    }
    /** Copies the current text to the clipboard. */
    copy(attempts = this.attempts) {
        if (attempts > 1) {
            let remainingAttempts = attempts;
            const pending = this._clipboard.beginCopy(this.text);
            this._pending.add(pending);
            const attempt = () => {
                const successful = pending.copy();
                if (!successful && --remainingAttempts && !this._destroyed) {
                    // We use 1 for the timeout since it's more predictable when flushing in unit tests.
                    this._currentTimeout = this._ngZone.runOutsideAngular(() => setTimeout(attempt, 1));
                }
                else {
                    this._currentTimeout = null;
                    this._pending.delete(pending);
                    pending.destroy();
                    this.copied.emit(successful);
                }
            };
            attempt();
        }
        else {
            this.copied.emit(this._clipboard.copy(this.text));
        }
    }
    ngOnDestroy() {
        if (this._currentTimeout) {
            clearTimeout(this._currentTimeout);
        }
        this._pending.forEach(copy => copy.destroy());
        this._pending.clear();
        this._destroyed = true;
    }
}
CdkCopyToClipboard.decorators = [
    { type: Directive, args: [{
                selector: '[cdkCopyToClipboard]',
                host: {
                    '(click)': 'copy()',
                }
            },] }
];
CdkCopyToClipboard.ctorParameters = () => [
    { type: Clipboard },
    { type: NgZone },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [CKD_COPY_TO_CLIPBOARD_CONFIG,] }] }
];
CdkCopyToClipboard.propDecorators = {
    text: [{ type: Input, args: ['cdkCopyToClipboard',] }],
    attempts: [{ type: Input, args: ['cdkCopyToClipboardAttempts',] }],
    copied: [{ type: Output, args: ['cdkCopyToClipboardCopied',] }]
};
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