vscode-java/src/dashboard/dashboard.ts at fb8f94aa591cc7b0525d6077d15dd92b8e7eaf7f · redhat-developer/vscode-java · GitHub

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import * as vscode from 'vscode';
import { apiManager } from '../apiManager';
import { Commands } from '../commands';
import { getComputedJavaConfig, getWorkspacePath } from '../extension';
import { isLombokSupportEnabled, Lombok } from '../lombokSupport';
import { DashboardState, DiagnosticInfo, JVM, UpdateMessage } from '../webviewProtocol/toDashboard';
import { getNonce, getUri } from '../webviewUtils';
import { Uri } from 'vscode';
import * as path from 'path';

const currentState: DashboardState = {
};


class DashboardPanel {
	private disposables: vscode.Disposable[] = [];

	constructor(private webView: vscode.Webview, private readonly context: vscode.ExtensionContext) {
		this.init();
	}

	private init(): void {
		this.disposables.push(vscode.workspace.onDidChangeConfiguration(e => {
			if (e.affectsConfiguration('java.jdt.ls.lombokSupport.enabled')) {
				currentState.lombokEnabled = isLombokSupportEnabled();
				const msg: UpdateMessage = {
					type: "update",
					lombokEnabled: isLombokSupportEnabled()
				};
				this.postMessage(msg);
			}
			if (e.affectsConfiguration('java')) {
				setTimeout(() => this.refreshLSInfo(), 1000); // wait for LS to pick up the config change
			}
		}));
		this.setWebviewMessageListener();
		this.webView.html = this.getWebviewContent();


		this.disposables.push(vscode.commands.registerCommand('java.dashboard.revealFileInOS', async (arg: { path: string }) => {
			await vscode.commands.executeCommand('revealFileInOS', vscode.Uri.file(arg.path));
		}));
	}

	private postMessage(message: UpdateMessage) {
		if (this.webView) {
			this.webView.postMessage(message);
		}
	}

	private setWebviewMessageListener() {
		this.webView.onDidReceiveMessage(
			async (message: any) => {
				const command = message.command;
				switch (command) {
					case "webviewReady": {
						await apiManager.getApiInstance().serverReady();
						currentState.lombokEnabled = isLombokSupportEnabled();
						currentState.activeLombokPath = Lombok.getActiveLombokPath();
						currentState.workspacePath = getWorkspacePath();
						const message: UpdateMessage = {
							type: "update",
							lombokEnabled: isLombokSupportEnabled(),
							activeLombokPath: Lombok.getActiveLombokPath(),
							workspacePath: getWorkspacePath(),
						};
						await this.postMessage(message);
						this.getJvms().then(jvms => {
							currentState.jvms = jvms;
							const msg: UpdateMessage = {
								type: "update",
								jvms: jvms
							};

							this.postMessage(msg);
						});

						this.refreshLSInfo();
						break;
					}
				}
			}
		);
	}

	public dispose(): void {
		this.webView = undefined;
		for (const disposable of this.disposables) {
			disposable.dispose();
		}
	}

	private async getJvms(): Promise<JVM[]> {
		const config = await getComputedJavaConfig();
		const jres: JVM[] = config.configuration.runtimes.map(jre => ({
			name: jre.name,
			version: jre.version,
			path: jre.path,
		}));
		return jres;

	}

	private getWebviewContent(): string {
		const scriptUri = getUri(this.webView, this.context.extensionUri, "dist", "dashboard.js");
		const styleUri = getUri(this.webView, this.context.extensionUri, "dist", "dashboard.css");

		return /* html*/ `
	  <!DOCTYPE html>
	  <html lang="en">
		<head>
		  <meta charset="utf-8">
		  <meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src ${this.webView.cspSource}; font-src ${this.webView.cspSource} data:; style-src ${this.webView.cspSource};">
		  <meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no">
		  <meta name="theme-color" content="#000000">
		  <title>Dashboard</title>
		  <link href="${styleUri}" rel="stylesheet">
		</head>
		<body>
		  <div id="root"></div>
		  <script src="${scriptUri}"></script>
		</body>
	  </html>
	`;
	}

	public async refreshLSInfo(): Promise<void> {
		if (!this.webView) {
			return;
		}
		try {
			vscode.commands.executeCommand<DiagnosticInfo>(Commands.EXECUTE_WORKSPACE_COMMAND, Commands.GET_TROUBLESHOOTING_INFO).then(info => {
				currentState.diagnosticInfo = info;
				const msg: UpdateMessage = {
					type: "update",
					diagnosticInfo: info
				};
				this.postMessage(msg);
			});
		} catch (e) {
			console.error('Failed to get diagnostic info', e);
		}
	}
}

export namespace Dashboard {
    export function initialize(context: vscode.ExtensionContext): void {
        console.log('registering dashboard webview provider');

        let dashboardPanel: DashboardPanel | undefined = undefined;
        let webviewPanel: vscode.WebviewPanel | undefined = undefined;

        context.subscriptions.push(vscode.commands.registerCommand('java.dashboard.refresh', async () => {
            await vscode.commands.executeCommand(Commands.OPEN_JAVA_DASHBOARD);
            if (dashboardPanel) {
                await dashboardPanel.refreshLSInfo();
            }
        }));

        context.subscriptions.push(vscode.commands.registerCommand('java.dashboard.dumpState', async () => {
            const doc = await vscode.workspace.openTextDocument({
                language: 'json',
                content: JSON.stringify(currentState, null, 2)
            });
            vscode.window.showTextDocument(doc);
        }));

        context.subscriptions.push(vscode.commands.registerCommand(Commands.OPEN_JAVA_DASHBOARD, async () => {
            if (!dashboardPanel || !webviewPanel) {
                webviewPanel = vscode.window.createWebviewPanel('java.dashboard', 'Java Dashboard', vscode.ViewColumn.Active, {
                    enableScripts: true,
                    enableCommandUris: true,
                    retainContextWhenHidden: true,
                    localResourceRoots: [context.extensionUri],
                });

                webviewPanel.iconPath = Uri.file(path.join(context.extensionPath, 'icons', 'icon128.png'));
                dashboardPanel = new DashboardPanel(webviewPanel.webview, context);

                webviewPanel.onDidDispose(() => {
                    dashboardPanel?.dispose();
                    dashboardPanel = undefined;
                    webviewPanel = undefined;
                    vscode.commands.executeCommand('setContext', 'java:dashboard', false);
                }, undefined, context.subscriptions);
            } else {
                webviewPanel.reveal();
            }
        }));
        console.log('registered dashboard webview provider');
    }
}