source: trip-planner-front/node_modules/@angular/material/tabs/paginated-tab-header.d.ts.map@ eed0bf8

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'After'\n * will scroll the header towards the end of the tabs list and 'before' will scroll towards the\n * beginning of the list.\n */\nexport declare type ScrollDirection = 'after' | 'before';\n/** Item inside a paginated tab header. */\nexport declare type MatPaginatedTabHeaderItem = FocusableOption & {\n    elementRef: ElementRef;\n};\n/**\n * Base class for a tab header that supported pagination.\n * @docs-private\n */\nexport declare abstract class MatPaginatedTabHeader implements AfterContentChecked, AfterContentInit, AfterViewInit, OnDestroy {\n    protected _elementRef: ElementRef<HTMLElement>;\n    protected _changeDetectorRef: ChangeDetectorRef;\n    private _viewportRuler;\n    private _dir;\n    private _ngZone;\n    private _platform;\n    _animationMode?: string | undefined;\n    abstract _items: QueryList<MatPaginatedTabHeaderItem>;\n    abstract _inkBar: {\n        hide: () => void;\n        alignToElement: (element: HTMLElement) => void;\n    };\n    abstract _tabListContainer: ElementRef<HTMLElement>;\n    abstract _tabList: ElementRef<HTMLElement>;\n    abstract _nextPaginator: ElementRef<HTMLElement>;\n    abstract _previousPaginator: ElementRef<HTMLElement>;\n    /** The distance in pixels that the tab labels should be translated to the left. */\n    private _scrollDistance;\n    /** Whether the header should scroll to the selected index after the view has been checked. */\n    private _selectedIndexChanged;\n    /** Emits when the component is destroyed. */\n    protected readonly _destroyed: Subject<void>;\n    /** Whether the controls for pagination should be displayed */\n    _showPaginationControls: boolean;\n    /** Whether the tab list can be scrolled more towards the end of the tab label list. */\n    _disableScrollAfter: boolean;\n    /** Whether the tab list can be scrolled more towards the beginning of the tab label list. */\n    _disableScrollBefore: boolean;\n    /**\n     * The number of tab labels that are displayed on the header. When this changes, the header\n     * should re-evaluate the scroll position.\n     */\n    private _tabLabelCount;\n    /** Whether the scroll distance has changed and should be applied after the view is checked. */\n    private _scrollDistanceChanged;\n    /** Used to manage focus between the tabs. */\n    private _keyManager;\n    /** Cached text content of the header. */\n    private _currentTextContent;\n    /** Stream that will stop the automated scrolling. */\n    private _stopScrolling;\n    /**\n     * Whether pagination should be disabled. This can be used to avoid unnecessary\n     * layout recalculations if it's known that pagination won't be required.\n     */\n    disablePagination: boolean;\n    /** The index of the active tab. */\n    get selectedIndex(): number;\n    set selectedIndex(value: number);\n    private _selectedIndex;\n    /** Event emitted when the option is selected. */\n    readonly selectFocusedIndex: EventEmitter<number>;\n    /** Event emitted when a label is focused. */\n    readonly indexFocused: EventEmitter<number>;\n    constructor(_elementRef: ElementRef<HTMLElement>, _changeDetectorRef: ChangeDetectorRef, _viewportRuler: ViewportRuler, _dir: Directionality, _ngZone: NgZone, _platform: Platform, _animationMode?: string | undefined);\n    /** Called when the user has selected an item via the keyboard. */\n    protected abstract _itemSelected(event: KeyboardEvent): void;\n    ngAfterViewInit(): void;\n    ngAfterContentInit(): void;\n    ngAfterContentChecked(): void;\n    ngOnDestroy(): void;\n    /** Handles keyboard events on the header. */\n    _handleKeydown(event: KeyboardEvent): void;\n    /**\n     * Callback for when the MutationObserver detects that the content has changed.\n     */\n    _onContentChanges(): void;\n    /**\n     * Updates the view whether pagination should be enabled or not.\n     *\n     * WARNING: Calling this method can be very costly in terms of performance. It should be called\n     * as infrequently as possible from outside of the Tabs component as it causes a reflow of the\n     * page.\n     */\n    updatePagination(): void;\n    /** Tracks which element has focus; used for keyboard navigation */\n    get focusIndex(): number;\n    /** When the focus index is set, we must manually send focus to the correct label */\n    set focusIndex(value: number);\n    /**\n     * Determines if an index is valid.  If the tabs are not ready yet, we assume that the user is\n     * providing a valid index and return true.\n     */\n    _isValidIndex(index: number): boolean;\n    /**\n     * Sets focus on the HTML element for the label wrapper and scrolls it into the view if\n     * scrolling is enabled.\n     */\n    _setTabFocus(tabIndex: number): void;\n    /** The layout direction of the containing app. */\n    _getLayoutDirection(): Direction;\n    /** Performs the CSS transformation on the tab list that will cause the list to scroll. */\n    _updateTabScrollPosition(): void;\n    /** Sets the distance in pixels that the tab header should be transformed in the X-axis. */\n    get scrollDistance(): number;\n    set scrollDistance(value: number);\n    /**\n     * Moves the tab list in the 'before' or 'after' direction (towards the beginning of the list or\n     * the end of the list, respectively). The distance to scroll is computed to be a third of the\n     * length of the tab list view window.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    _scrollHeader(direction: ScrollDirection): {\n        maxScrollDistance: number;\n        distance: number;\n    };\n    /** Handles click events on the pagination arrows. */\n    _handlePaginatorClick(direction: ScrollDirection): void;\n    /**\n     * Moves the tab list such that the desired tab label (marked by index) is moved into view.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    _scrollToLabel(labelIndex: number): void;\n    /**\n     * Evaluate whether the pagination controls should be displayed. If the scroll width of the\n     * tab list is wider than the size of the header container, then the pagination controls should\n     * be shown.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    _checkPaginationEnabled(): void;\n    /**\n     * Evaluate whether the before and after controls should be enabled or disabled.\n     * If the header is at the beginning of the list (scroll distance is equal to 0) then disable the\n     * before button. If the header is at the end of the list (scroll distance is equal to the\n     * maximum distance we can scroll), then disable the after button.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    _checkScrollingControls(): void;\n    /**\n     * Determines what is the maximum length in pixels that can be set for the scroll distance. This\n     * is equal to the difference in width between the tab list container and tab header container.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    _getMaxScrollDistance(): number;\n    /** Tells the ink-bar to align itself to the current label wrapper */\n    _alignInkBarToSelectedTab(): void;\n    /** Stops the currently-running paginator interval.  */\n    _stopInterval(): void;\n    /**\n     * Handles the user pressing down on one of the paginators.\n     * Starts scrolling the header after a certain amount of time.\n     * @param direction In which direction the paginator should be scrolled.\n     */\n    _handlePaginatorPress(direction: ScrollDirection, mouseEvent?: MouseEvent): void;\n    /**\n     * Scrolls the header to a given position.\n     * @param position Position to which to scroll.\n     * @returns Information on the current scroll distance and the maximum.\n     */\n    private _scrollTo;\n    static ngAcceptInputType_selectedIndex: NumberInput;\n}\n"]}