| 1 | import { ContentView } from '../content-view';
|
| 2 | import { Property } from '../core/properties';
|
| 3 | import { EventData } from '../../data/observable';
|
| 4 | import { CoreTypes } from '../../core-types';
|
| 5 |
|
| 6 | /**
|
| 7 | * Represents a scrollable area that can have content that is larger than its bounds.
|
| 8 | */
|
| 9 | export class ScrollView extends ContentView {
|
| 10 | /**
|
| 11 | * String value used when hooking to scroll event.
|
| 12 | */
|
| 13 | public static scrollEvent: string;
|
| 14 |
|
| 15 | /**
|
| 16 | * Gets or sets a value indicating whether scroll is enabled.
|
| 17 | */
|
| 18 | isScrollEnabled: boolean;
|
| 19 |
|
| 20 | /**
|
| 21 | * Gets a value that contains the vertical offset of the scrolled content.
|
| 22 | */
|
| 23 | verticalOffset: number;
|
| 24 |
|
| 25 | /**
|
| 26 | * Gets a value that contains the horizontal offset of the scrolled content.
|
| 27 | */
|
| 28 | horizontalOffset: number;
|
| 29 |
|
| 30 | /**
|
| 31 | * Gets the maximum value for the verticalOffset.
|
| 32 | */
|
| 33 | scrollableHeight: number;
|
| 34 |
|
| 35 | /**
|
| 36 | * Gets the maximum value for the horizontalOffset.
|
| 37 | */
|
| 38 | scrollableWidth: number;
|
| 39 |
|
| 40 | /**
|
| 41 | * Toggles scrollbar indicator visibility
|
| 42 | */
|
| 43 | scrollBarIndicatorVisible: boolean;
|
| 44 |
|
| 45 | /**
|
| 46 | * Scrolls the content the specified vertical offset position.
|
| 47 | * @param value The offset value
|
| 48 | * @param animated true for animated scroll, false for immediate scroll.
|
| 49 | */
|
| 50 | scrollToVerticalOffset(value: number, animated: boolean);
|
| 51 |
|
| 52 | /**
|
| 53 | * Scrolls the content the specified horizontal offset position.
|
| 54 | * @param value The offset value
|
| 55 | * @param animated true for animated scroll, false for immediate scroll.
|
| 56 | */
|
| 57 | scrollToHorizontalOffset(value: number, animated: boolean);
|
| 58 |
|
| 59 | /**
|
| 60 | * Gets or sets direction in which the content can be scrolled.
|
| 61 | */
|
| 62 | orientation: CoreTypes.OrientationType;
|
| 63 |
|
| 64 | /**
|
| 65 | * Adds a listener for the specified event name.
|
| 66 | *
|
| 67 | * @param eventName The name of the event.
|
| 68 | * @param callback The event listener to add. Will be called when an event of
|
| 69 | * the given name is raised.
|
| 70 | * @param thisArg An optional parameter which, when set, will be bound as the
|
| 71 | * `this` context when the callback is called. Falsy values will be not be
|
| 72 | * bound.
|
| 73 | */
|
| 74 | on(eventName: string, callback: (data: EventData) => void, thisArg?: any): void;
|
| 75 |
|
| 76 | /**
|
| 77 | * Raised when a scroll event occurs.
|
| 78 | */
|
| 79 | on(event: 'scroll', callback: (args: ScrollEventData) => void, thisArg?: any): void;
|
| 80 |
|
| 81 | _onOrientationChanged(): void;
|
| 82 | }
|
| 83 |
|
| 84 | export interface ScrollEventData extends EventData {
|
| 85 | scrollX: number;
|
| 86 | scrollY: number;
|
| 87 | }
|
| 88 |
|
| 89 | export const orientationProperty: Property<ScrollView, CoreTypes.OrientationType>;
|