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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { app, BrowserWindow } from 'electron';
import { coalesce } from 'vs/base/common/arrays';
import { IProcessEnvironment, isMacintosh } from 'vs/base/common/platform';
import { assertIsDefined } from 'vs/base/common/types';
import { URI } from 'vs/base/common/uri';
import { whenDeleted } from 'vs/base/node/pfs';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
import { NativeParsedArgs } from 'vs/platform/environment/common/argv';
import { isLaunchedFromCli } from 'vs/platform/environment/node/argvHelper';
import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
import { IMainProcessInfo, IWindowInfo } from 'vs/platform/launch/common/launch';
import { ILogService } from 'vs/platform/log/common/log';
import { IURLService } from 'vs/platform/url/common/url';
import { ICodeWindow } from 'vs/platform/window/electron-main/window';
import { IWindowSettings } from 'vs/platform/window/common/window';
import { IOpenConfiguration, IWindowsMainService, OpenContext } from 'vs/platform/windows/electron-main/windows';
import { isSingleFolderWorkspaceIdentifier, isWorkspaceIdentifier } from 'vs/platform/workspace/common/workspace';
import { IWorkspacesManagementMainService } from 'vs/platform/workspaces/electron-main/workspacesManagementMainService';
export const ID = 'launchMainService';
export const ILaunchMainService = createDecorator<ILaunchMainService>(ID);
export interface IStartArguments {
args: NativeParsedArgs;
userEnv: IProcessEnvironment;
}
export interface ILaunchMainService {
readonly _serviceBrand: undefined;
start(args: NativeParsedArgs, userEnv: IProcessEnvironment): Promise<void>;
getMainProcessId(): Promise<number>;
getMainProcessInfo(): Promise<IMainProcessInfo>;
}
export class LaunchMainService implements ILaunchMainService {
declare readonly _serviceBrand: undefined;
constructor(
@ILogService private readonly logService: ILogService,
@IWindowsMainService private readonly windowsMainService: IWindowsMainService,
@IURLService private readonly urlService: IURLService,
@IWorkspacesManagementMainService private readonly workspacesManagementMainService: IWorkspacesManagementMainService,
@IConfigurationService private readonly configurationService: IConfigurationService
) { }
async start(args: NativeParsedArgs, userEnv: IProcessEnvironment): Promise<void> {
this.logService.trace('Received data from other instance: ', args, userEnv);
// macOS: Electron > 7.x changed its behaviour to not
// bring the application to the foreground when a window
// is focused programmatically. Only via `app.focus` and
// the option `steal: true` can you get the previous
// behaviour back. The only reason to use this option is
// when a window is getting focused while the application
// is not in the foreground and since we got instructed
// to open a new window from another instance, we ensure
// that the app has focus.
if (isMacintosh) {
app.focus({ steal: true });
}
// Check early for open-url which is handled in URL service
const urlsToOpen = this.parseOpenUrl(args);
if (urlsToOpen.length) {
let whenWindowReady: Promise<unknown> = Promise.resolve();
// Create a window if there is none
if (this.windowsMainService.getWindowCount() === 0) {
const window = this.windowsMainService.openEmptyWindow({ context: OpenContext.DESKTOP })[0];
whenWindowReady = window.ready();
}
// Make sure a window is open, ready to receive the url event
whenWindowReady.then(() => {
for (const { uri, url } of urlsToOpen) {
this.urlService.open(uri, { originalUrl: url });
}
});
}
// Otherwise handle in windows service
else {
return this.startOpenWindow(args, userEnv);
}
}
private parseOpenUrl(args: NativeParsedArgs): { uri: URI; url: string }[] {
if (args['open-url'] && args._urls && args._urls.length > 0) {
// --open-url must contain -- followed by the url(s)
// process.argv is used over args._ as args._ are resolved to file paths at this point
return coalesce(args._urls
.map(url => {
try {
return { uri: URI.parse(url), url };
} catch (err) {
return null;
}
}));
}
return [];
}
private async startOpenWindow(args: NativeParsedArgs, userEnv: IProcessEnvironment): Promise<void> {
const context = isLaunchedFromCli(userEnv) ? OpenContext.CLI : OpenContext.DESKTOP;
let usedWindows: ICodeWindow[] = [];
const waitMarkerFileURI = args.wait && args.waitMarkerFilePath ? URI.file(args.waitMarkerFilePath) : undefined;
const remoteAuthority = args.remote || undefined;
const baseConfig: IOpenConfiguration = {
context,
cli: args,
userEnv,
waitMarkerFileURI,
remoteAuthority
};
// Special case extension development
if (!!args.extensionDevelopmentPath) {
this.windowsMainService.openExtensionDevelopmentHostWindow(args.extensionDevelopmentPath, baseConfig);
}
// Start without file/folder arguments
else if (!args._.length && !args['folder-uri'] && !args['file-uri']) {
let openNewWindow = false;
// Force new window
if (args['new-window'] || args['unity-launch']) {
openNewWindow = true;
}
// Force reuse window
else if (args['reuse-window']) {
openNewWindow = false;
}
// Otherwise check for settings
else {
const windowConfig = this.configurationService.getValue<IWindowSettings | undefined>('window');
const openWithoutArgumentsInNewWindowConfig = windowConfig?.openWithoutArgumentsInNewWindow || 'default' /* default */;
switch (openWithoutArgumentsInNewWindowConfig) {
case 'on':
openNewWindow = true;
break;
case 'off':
openNewWindow = false;
break;
default:
openNewWindow = !isMacintosh; // prefer to restore running instance on macOS
}
}
// Open new Window
if (openNewWindow) {
usedWindows = this.windowsMainService.open({
...baseConfig,
forceNewWindow: true,
forceEmpty: true
});
}
// Focus existing window or open if none opened
else {
const lastActive = this.windowsMainService.getLastActiveWindow();
if (lastActive) {
this.windowsMainService.openExistingWindow(lastActive, baseConfig);
usedWindows = [lastActive];
} else {
usedWindows = this.windowsMainService.open({
...baseConfig,
forceEmpty: true
});
}
}
}
// Start with file/folder arguments
else {
usedWindows = this.windowsMainService.open({
...baseConfig,
forceNewWindow: args['new-window'],
preferNewWindow: !args['reuse-window'] && !args.wait,
forceReuseWindow: args['reuse-window'],
diffMode: args.diff,
addMode: args.add,
noRecentEntry: !!args['skip-add-to-recently-opened'],
gotoLineMode: args.goto
});
}
// If the other instance is waiting to be killed, we hook up a window listener if one window
// is being used and only then resolve the startup promise which will kill this second instance.
// In addition, we poll for the wait marker file to be deleted to return.
if (waitMarkerFileURI && usedWindows.length === 1 && usedWindows[0]) {
return Promise.race([
usedWindows[0].whenClosedOrLoaded,
whenDeleted(waitMarkerFileURI.fsPath)
]).then(() => undefined, () => undefined);
}
}
async getMainProcessId(): Promise<number> {
this.logService.trace('Received request for process ID from other instance.');
return process.pid;
}
async getMainProcessInfo(): Promise<IMainProcessInfo> {
this.logService.trace('Received request for main process info from other instance.');
const windows: IWindowInfo[] = [];
BrowserWindow.getAllWindows().forEach(window => {
const codeWindow = this.windowsMainService.getWindowById(window.id);
if (codeWindow) {
windows.push(this.codeWindowToInfo(codeWindow));
} else {
windows.push(this.browserWindowToInfo(window));
}
});
return {
mainPID: process.pid,
mainArguments: process.argv.slice(1),
windows,
screenReader: !!app.accessibilitySupportEnabled,
gpuFeatureStatus: app.getGPUFeatureStatus()
};
}
private getFolderURIs(window: ICodeWindow): URI[] {
const folderURIs: URI[] = [];
const workspace = window.openedWorkspace;
if (isSingleFolderWorkspaceIdentifier(workspace)) {
folderURIs.push(workspace.uri);
} else if (isWorkspaceIdentifier(workspace)) {
const resolvedWorkspace = this.workspacesManagementMainService.resolveLocalWorkspaceSync(workspace.configPath); // workspace folders can only be shown for local (resolved) workspaces
if (resolvedWorkspace) {
const rootFolders = resolvedWorkspace.folders;
rootFolders.forEach(root => {
folderURIs.push(root.uri);
});
} else {
//TODO@RMacfarlane: can we add the workspace file here?
}
}
return folderURIs;
}
private codeWindowToInfo(window: ICodeWindow): IWindowInfo {
const folderURIs = this.getFolderURIs(window);
const win = assertIsDefined(window.win);
return this.browserWindowToInfo(win, folderURIs, window.remoteAuthority);
}
private browserWindowToInfo(window: BrowserWindow, folderURIs: URI[] = [], remoteAuthority?: string): IWindowInfo {
return {
pid: window.webContents.getOSProcessId(),
title: window.getTitle(),
folderURIs,
remoteAuthority
};
}
}
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