Class WebviewPanel

src/platform/webviews/webviewPanelProvider.ts:12–111

import { Webview } from './webview';

class WebviewPanel extends Webview implements IWebviewPanel {
    private get panel(): vscodeWebviewPanel | undefined {
        return this.webviewHost as vscodeWebviewPanel;
    }

    private get panelOptions(): IWebviewPanelOptions {
        return this.options as IWebviewPanelOptions;
    }

    constructor(
        fs: IFileSystem,
        disposableRegistry: IDisposableRegistry,
        panelOptions: IWebviewPanelOptions,
        additionalRootPaths: Uri[] = []
    ) {
        super(fs, disposableRegistry, panelOptions, additionalRootPaths);
    }

    public async show(preserveFocus: boolean) {
        await this.loadPromise;
        if (!this.panel) {
            return;
        }

        if (preserveFocus) {
            if (!this.panel.visible) {
                this.panel.reveal(this.panel.viewColumn, preserveFocus);
            }
        } else {
            if (!this.panel.active) {
                this.panel.reveal(this.panel.viewColumn, preserveFocus);
            }
        }
    }

    public close() {
        if (this.panel) {
            this.panel.dispose();
        }
    }

    public get viewColumn(): ViewColumn | undefined {
        return this.panel?.viewColumn;
    }

    public isVisible(): boolean {
        return this.panel ? this.panel.visible : false;
    }

    public isActive(): boolean {
        return this.panel ? this.panel.active : false;
    }

    public setTitle(newTitle: string) {
        this.panelOptions.title = newTitle;
        if (this.panel) {
            this.panel.title = newTitle;
        }