| 1 | /**
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| 2 | * @license
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| 3 | * Copyright 2016 Google Inc.
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| 4 | *
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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| 6 | * of this software and associated documentation files (the "Software"), to deal
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| 7 | * in the Software without restriction, including without limitation the rights
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| 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 9 | * copies of the Software, and to permit persons to whom the Software is
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| 10 | * furnished to do so, subject to the following conditions:
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| 11 | *
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| 12 | * The above copyright notice and this permission notice shall be included in
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| 13 | * all copies or substantial portions of the Software.
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| 14 | *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| 21 | * THE SOFTWARE.
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| 22 | */
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| 23 | import { FocusOptions, FocusTrap } from '@material/dom/focus-trap';
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| 24 | export declare type MDCDialogFocusTrapFactory = (element: HTMLElement, options: FocusOptions) => FocusTrap;
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| 25 | export declare function createFocusTrapInstance(surfaceEl: HTMLElement, focusTrapFactory: MDCDialogFocusTrapFactory, initialFocusEl?: HTMLElement): FocusTrap;
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| 26 | export declare function isScrollable(el: HTMLElement | null): boolean;
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| 27 | /**
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| 28 | * For scrollable content, returns true if the content has not been scrolled
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| 29 | * (that is, the scroll content is as the "top"). This is used in full-screen
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| 30 | * dialogs, where the scroll divider is expected only to appear once the
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| 31 | * content has been scrolled "underneath" the header bar.
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| 32 | */
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| 33 | export declare function isScrollAtTop(el: HTMLElement | null): boolean;
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| 34 | /**
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| 35 | * For scrollable content, returns true if the content has been scrolled all the
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| 36 | * way to the bottom. This is used in full-screen dialogs, where the footer
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| 37 | * scroll divider is expected only to appear when the content is "cut-off" by
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| 38 | * the footer bar.
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| 39 | */
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| 40 | export declare function isScrollAtBottom(el: HTMLElement | null): boolean;
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| 41 | export declare function areTopsMisaligned(els: HTMLElement[]): boolean;
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