@nativescript/core
Version:
A JavaScript library providing an easy to use api for interacting with iOS and Android platform APIs.
91 lines • 2.85 kB
JavaScript
var ScrollViewBase_1;
import { ContentView } from '../content-view';
import { Property, makeParser, makeValidator } from '../core/properties';
import { CSSType } from '../core/view';
import { booleanConverter } from '../core/view-base';
import { CoreTypes } from '../../core-types';
let ScrollViewBase = ScrollViewBase_1 = class ScrollViewBase extends ContentView {
constructor() {
super(...arguments);
this._scrollChangeCount = 0;
}
addEventListener(arg, callback, thisArg) {
super.addEventListener(arg, callback, thisArg);
if (arg === ScrollViewBase_1.scrollEvent) {
this._scrollChangeCount++;
if (this.nativeViewProtected) {
this.attachNative();
}
}
}
removeEventListener(arg, callback, thisArg) {
super.removeEventListener(arg, callback, thisArg);
if (arg === ScrollViewBase_1.scrollEvent) {
if (this._scrollChangeCount > 0) {
this._scrollChangeCount--;
if (this.nativeViewProtected && this._scrollChangeCount === 0) {
this.detachNative();
}
}
}
}
initNativeView() {
super.initNativeView();
if (this._scrollChangeCount > 0) {
this.attachNative();
}
}
disposeNativeView() {
if (this._scrollChangeCount > 0) {
this.detachNative();
}
super.disposeNativeView();
}
attachNative() {
//
}
detachNative() {
//
}
get horizontalOffset() {
return 0;
}
get verticalOffset() {
return 0;
}
get scrollableWidth() {
return 0;
}
get scrollableHeight() {
return 0;
}
};
ScrollViewBase.scrollEvent = 'scroll';
ScrollViewBase = ScrollViewBase_1 = __decorate([
CSSType('ScrollView')
], ScrollViewBase);
export { ScrollViewBase };
const converter = makeParser(makeValidator(CoreTypes.Orientation.horizontal, CoreTypes.Orientation.vertical));
export const orientationProperty = new Property({
name: 'orientation',
defaultValue: CoreTypes.Orientation.vertical,
affectsLayout: true,
valueChanged: (target, oldValue, newValue) => {
target._onOrientationChanged();
},
valueConverter: converter,
});
orientationProperty.register(ScrollViewBase);
export const scrollBarIndicatorVisibleProperty = new Property({
name: 'scrollBarIndicatorVisible',
defaultValue: true,
valueConverter: booleanConverter,
});
scrollBarIndicatorVisibleProperty.register(ScrollViewBase);
export const isScrollEnabledProperty = new Property({
name: 'isScrollEnabled',
defaultValue: true,
valueConverter: booleanConverter,
});
isScrollEnabledProperty.register(ScrollViewBase);
//# sourceMappingURL=scroll-view-common.js.map