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feat: Scoped Packages (#7911)
* chore: move tns-core-modules to nativescript-core * chore: preparing compat generate script * chore: add missing definitions * chore: no need for http-request to be private * chore: packages chore * test: generate tests for tns-core-modules * chore: add anroid module for consistency * chore: add .npmignore * chore: added privateModulesWhitelist * chore(webpack): added bundle-entry-points * chore: scripts * chore: tests changed to use @ns/core * test: add scoped-packages test project * test: fix types * test: update test project * chore: build scripts * chore: update build script * chore: npm scripts cleanup * chore: make the compat pgk work with old wp config * test: generate diff friendly tests * chore: create barrel exports * chore: move files after rebase * chore: typedoc config * chore: compat mode * chore: review of barrels * chore: remove tns-core-modules import after rebase * chore: dev workflow setup * chore: update developer-workflow * docs: experiment with API extractor * chore: api-extractor and barrel exports * chore: api-extractor configs * chore: generate d.ts rollup with api-extractor * refactor: move methods inside Frame * chore: fic tests to use Frame static methods * refactor: create Builder class * refactor: use Builder class in tests * refactor: include Style in ui barrel * chore: separate compat build script * chore: fix tslint errors * chore: update NATIVESCRIPT_CORE_ARGS * chore: fix compat pack * chore: fix ui-test-app build with linked modules * chore: Application, ApplicationSettings, Connectivity and Http * chore: export Trace, Profiling and Utils * refactor: Static create methods for ImageSource * chore: fix deprecated usages of ImageSource * chore: move Span and FormattedString to ui * chore: add events-args and ImageSource to index files * chore: check for CLI >= 6.2 when building for IOS * chore: update travis build * chore: copy Pod file to compat package * chore: update error msg ui-tests-app * refactor: Apply suggestions from code review Co-Authored-By: Martin Yankov <m.i.yankov@gmail.com> * chore: typings and refs * chore: add missing d.ts files for public API * chore: adress code review FB * chore: update api-report * chore: dev-workflow for other apps * chore: api update * chore: update api-report
This commit is contained in:
Alexander Vakrilov
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GitHub
GitHub
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commit
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167
nativescript-core/ui/scroll-view/scroll-view.android.ts
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167
nativescript-core/ui/scroll-view/scroll-view.android.ts
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@ -0,0 +1,167 @@
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import { ScrollEventData } from ".";
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import {
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ScrollViewBase, layout, scrollBarIndicatorVisibleProperty,
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isUserInteractionEnabledProperty, isScrollEnabledProperty
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} from "./scroll-view-common";
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export * from "./scroll-view-common";
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export class ScrollView extends ScrollViewBase {
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nativeViewProtected: org.nativescript.widgets.VerticalScrollView | org.nativescript.widgets.HorizontalScrollView;
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private _androidViewId: number = -1;
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private handler: android.view.ViewTreeObserver.OnScrollChangedListener;
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get horizontalOffset(): number {
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const nativeView = this.nativeViewProtected;
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if (!nativeView) {
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return 0;
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}
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return nativeView.getScrollX() / layout.getDisplayDensity();
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}
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get verticalOffset(): number {
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const nativeView = this.nativeViewProtected;
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if (!nativeView) {
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return 0;
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}
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return nativeView.getScrollY() / layout.getDisplayDensity();
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}
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get scrollableWidth(): number {
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const nativeView = this.nativeViewProtected;
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if (!nativeView || this.orientation !== "horizontal") {
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return 0;
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}
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return nativeView.getScrollableLength() / layout.getDisplayDensity();
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}
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get scrollableHeight(): number {
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const nativeView = this.nativeViewProtected;
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if (!nativeView || this.orientation !== "vertical") {
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return 0;
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}
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return nativeView.getScrollableLength() / layout.getDisplayDensity();
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}
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[isUserInteractionEnabledProperty.setNative](value: boolean) {
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// NOTE: different behavior on iOS & Android:
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// iOS disables user interaction recursively for all subviews as well
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this.nativeViewProtected.setClickable(value);
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this.nativeViewProtected.setFocusable(value);
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this.nativeViewProtected.setScrollEnabled(value);
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}
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[isScrollEnabledProperty.getDefault](): boolean {
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return this.nativeViewProtected.getScrollEnabled();
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}
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[isScrollEnabledProperty.setNative](value: boolean) {
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this.nativeViewProtected.setScrollEnabled(value);
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}
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[scrollBarIndicatorVisibleProperty.getDefault](): boolean {
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return true;
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}
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[scrollBarIndicatorVisibleProperty.setNative](value: boolean) {
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if (this.orientation === "horizontal") {
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this.nativeViewProtected.setHorizontalScrollBarEnabled(value);
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} else {
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this.nativeViewProtected.setVerticalScrollBarEnabled(value);
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}
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}
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public scrollToVerticalOffset(value: number, animated: boolean) {
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const nativeView = this.nativeViewProtected;
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if (nativeView && this.orientation === "vertical" && this.isScrollEnabled) {
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value *= layout.getDisplayDensity();
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if (animated) {
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nativeView.smoothScrollTo(0, value);
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} else {
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nativeView.scrollTo(0, value);
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}
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}
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}
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public scrollToHorizontalOffset(value: number, animated: boolean) {
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const nativeView = this.nativeViewProtected;
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if (nativeView && this.orientation === "horizontal" && this.isScrollEnabled) {
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value *= layout.getDisplayDensity();
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if (animated) {
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nativeView.smoothScrollTo(value, 0);
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} else {
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nativeView.scrollTo(value, 0);
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}
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}
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}
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public createNativeView() {
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return this.orientation === "horizontal" ? new org.nativescript.widgets.HorizontalScrollView(this._context) : new org.nativescript.widgets.VerticalScrollView(this._context);
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}
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public initNativeView(): void {
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super.initNativeView();
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if (this._androidViewId < 0) {
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this._androidViewId = android.view.View.generateViewId();
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}
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this.nativeViewProtected.setId(this._androidViewId);
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}
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public _onOrientationChanged() {
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if (this.nativeViewProtected) {
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const parent = this.parent;
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if (parent) {
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parent._removeView(this);
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parent._addView(this);
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}
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}
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}
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protected attachNative() {
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const that = new WeakRef(this);
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this.handler = new android.view.ViewTreeObserver.OnScrollChangedListener({
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onScrollChanged: function () {
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const owner: ScrollView = that.get();
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if (owner) {
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owner._onScrollChanged();
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}
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}
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});
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this.nativeViewProtected.getViewTreeObserver().addOnScrollChangedListener(this.handler);
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}
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private _lastScrollX: number = -1;
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private _lastScrollY: number = -1;
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private _onScrollChanged() {
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const nativeView = this.nativeViewProtected;
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if (nativeView) {
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// Event is only raised if the scroll values differ from the last time in order to wokraround a native Android bug.
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// https://github.com/NativeScript/NativeScript/issues/2362
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let newScrollX = nativeView.getScrollX();
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let newScrollY = nativeView.getScrollY();
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if (newScrollX !== this._lastScrollX || newScrollY !== this._lastScrollY) {
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this.notify(<ScrollEventData>{
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object: this,
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eventName: ScrollView.scrollEvent,
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scrollX: newScrollX / layout.getDisplayDensity(),
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scrollY: newScrollY / layout.getDisplayDensity()
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});
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this._lastScrollX = newScrollX;
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this._lastScrollY = newScrollY;
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}
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}
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}
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protected dettachNative() {
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this.nativeViewProtected.getViewTreeObserver().removeOnScrollChangedListener(this.handler);
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this.handler = null;
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}
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}
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ScrollView.prototype.recycleNativeView = "never";
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