ui.ts
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/**
* @fileoverview
* All structured UI classes.
*
* TODO(mebjas): Migrate all UI components to modular UI classes so they are
* easy to improve.
* TODO(mebjas): Add tests for all UI components.
* @author mebjas <minhazav@gmail.com>
*/
import { ASSET_CLOSE_ICON_16PX, ASSET_INFO_ICON_16PX } from "./image-assets";
import { LibraryInfoStrings } from "./strings";
type OnClickListener0 = () => void;
//#region Info Icon + Div
class LibraryInfoDiv {
private infoDiv: HTMLDivElement;
constructor() {
this.infoDiv = document.createElement("div");
}
public renderInto(parent: HTMLElement) {
this.infoDiv.style.position = "absolute";
this.infoDiv.style.top = "10px";
this.infoDiv.style.right = "10px";
this.infoDiv.style.zIndex = "2";
this.infoDiv.style.display = "none";
this.infoDiv.style.padding = "5pt";
this.infoDiv.style.border = "1px solid #171717";
this.infoDiv.style.fontSize = "10pt";
this.infoDiv.style.background = "rgb(0 0 0 / 69%)";
this.infoDiv.style.borderRadius = "5px";
this.infoDiv.style.textAlign = "center";
this.infoDiv.style.fontWeight = "400";
this.infoDiv.style.color = "white";
this.infoDiv.innerText = LibraryInfoStrings.poweredBy();
const projectLink = document.createElement("a");
projectLink.innerText = "ScanApp";
projectLink.href = "https://scanapp.org";
projectLink.target = "new";
projectLink.style.color = "white";
this.infoDiv.appendChild(projectLink);
const breakElemFirst = document.createElement("br");
const breakElemSecond = document.createElement("br");
this.infoDiv.appendChild(breakElemFirst);
this.infoDiv.appendChild(breakElemSecond);
const reportIssueLink = document.createElement("a");
reportIssueLink.innerText = LibraryInfoStrings.reportIssues();
reportIssueLink.href = "https://github.com/mebjas/html5-qrcode/issues";
reportIssueLink.target = "new";
reportIssueLink.style.color = "white";
this.infoDiv.appendChild(reportIssueLink);
parent.appendChild(this.infoDiv);
}
public show() {
this.infoDiv.style.display = "block";
}
public hide() {
this.infoDiv.style.display = "none";
}
}
class LibraryInfoIcon {
private infoIcon: HTMLImageElement;
private onTapIn: OnClickListener0;
private onTapOut: OnClickListener0;
private isShowingInfoIcon: boolean = true;
constructor(onTapIn: OnClickListener0, onTapOut: OnClickListener0) {
this.onTapIn = onTapIn;
this.onTapOut = onTapOut;
this.infoIcon = document.createElement("img");
}
public renderInto(parent: HTMLElement) {
this.infoIcon.alt = "Info icon";
this.infoIcon.src = ASSET_INFO_ICON_16PX;
this.infoIcon.style.position = "absolute";
this.infoIcon.style.top = "4px";
this.infoIcon.style.right = "4px";
this.infoIcon.style.opacity = "0.6";
this.infoIcon.style.cursor = "pointer";
this.infoIcon.style.zIndex = "2";
this.infoIcon.style.width = "16px";
this.infoIcon.style.height = "16px";
this.infoIcon.onmouseover = (_) => this.onHoverIn();
this.infoIcon.onmouseout = (_) => this.onHoverOut();
this.infoIcon.onclick = (_) => this.onClick();
parent.appendChild(this.infoIcon);
}
private onHoverIn() {
if (this.isShowingInfoIcon) {
this.infoIcon.style.opacity = "1";
}
}
private onHoverOut() {
if (this.isShowingInfoIcon) {
this.infoIcon.style.opacity = "0.6";
}
}
private onClick() {
if (this.isShowingInfoIcon) {
this.isShowingInfoIcon = false;
this.onTapIn();
this.infoIcon.src = ASSET_CLOSE_ICON_16PX;
this.infoIcon.style.opacity = "1";
} else {
this.isShowingInfoIcon = true;
this.onTapOut();
this.infoIcon.src = ASSET_INFO_ICON_16PX;
this.infoIcon.style.opacity = "0.6";
}
}
}
export class LibraryInfoContainer {
private infoDiv: LibraryInfoDiv;
private infoIcon: LibraryInfoIcon;
constructor() {
this.infoDiv = new LibraryInfoDiv();
this.infoIcon = new LibraryInfoIcon(() => {
this.infoDiv.show();
}, () => {
this.infoDiv.hide();
});
}
public renderInto(parent: HTMLElement) {
this.infoDiv.renderInto(parent);
this.infoIcon.renderInto(parent);
}
}
//#endregion