Aligned the electron app to the latest Theia APIs.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>
2025-11-06 08:58:32 +00:00 · 2020-09-18 12:23:52 +02:00
parent def93ea32f
commit e755a1cd7e
11 changed files with 123 additions and 329 deletions
--- a/arduino-ide-extension/src/electron-main/theia/electron-main-application.ts
+++ b/arduino-ide-extension/src/electron-main/theia/electron-main-application.ts
@@ -0,0 +1,76 @@
+import { injectable } from 'inversify';
+import { app } from 'electron';
+import { fork } from 'child_process';
+import { AddressInfo } from 'net';
+import { ElectronSecurityToken } from '@theia/core/lib/electron-common/electron-token';
+import { ElectronMainApplication as TheiaElectronMainApplication, TheiaBrowserWindowOptions } from '@theia/core/lib/electron-main/electron-main-application';
+
+@injectable()
+export class ElectronMainApplication extends TheiaElectronMainApplication {
+
+    protected async getDefaultBrowserWindowOptions(): Promise<TheiaBrowserWindowOptions> {
+        const options = await super.getDefaultBrowserWindowOptions();
+        return {
+            ...options,
+            // Set and use a custom minimum window size: https://github.com/arduino/arduino-pro-ide/issues/337#issuecomment-687017281
+            minWidth: 900,
+            minHeight: 800
+        };
+    }
+
+    protected async startBackend(): Promise<number> {
+        // Check if we should run everything as one process.
+        const noBackendFork = process.argv.indexOf('--no-cluster') !== -1;
+        // We cannot use the `process.cwd()` as the application project path (the location of the `package.json` in other words)
+        // in a bundled electron application because it depends on the way we start it. For instance, on OS X, these are a differences:
+        // https://github.com/eclipse-theia/theia/issues/3297#issuecomment-439172274
+        process.env.THEIA_APP_PROJECT_PATH = this.globals.THEIA_APP_PROJECT_PATH;
+        // Set the electron version for both the dev and the production mode. (https://github.com/eclipse-theia/theia/issues/3254)
+        // Otherwise, the forked backend processes will not know that they're serving the electron frontend.
+        process.env.THEIA_ELECTRON_VERSION = process.versions.electron;
+        if (noBackendFork) {
+            process.env[ElectronSecurityToken] = JSON.stringify(this.electronSecurityToken);
+            // The backend server main file is supposed to export a promise resolving with the port used by the http(s) server.
+            const address: AddressInfo = await require(this.globals.THEIA_BACKEND_MAIN_PATH);
+            return address.port;
+        } else {
+            let args = this.processArgv.getProcessArgvWithoutBin();
+            // https://github.com/eclipse-theia/theia/issues/8227
+            if (process.platform === 'darwin') {
+                // https://github.com/electron/electron/issues/3657
+                // https://stackoverflow.com/questions/10242115/os-x-strange-psn-command-line-parameter-when-launched-from-finder#comment102377986_10242200
+                // macOS appends an extra `-psn_0_someNumber` arg if a file is opened from Finder after downloading from the Internet.
+                // "AppName" is an app downloaded from the Internet. Are you sure you want to open it?
+                args = args.filter(arg => !arg.startsWith('-psn'));
+            }
+            const backendProcess = fork(
+                this.globals.THEIA_BACKEND_MAIN_PATH,
+                args,
+                await this.getForkOptions(),
+            );
+            return new Promise((resolve, reject) => {
+                // The backend server main file is also supposed to send the resolved http(s) server port via IPC.
+                backendProcess.on('message', (address: AddressInfo) => {
+                    resolve(address.port);
+                });
+                backendProcess.on('error', error => {
+                    reject(error);
+                });
+                app.on('quit', () => {
+                    try {
+                        // If we forked the process for the clusters, we need to manually terminate it.
+                        // See: https://github.com/eclipse-theia/theia/issues/835
+                        process.kill(backendProcess.pid);
+                    } catch (e) {
+                        if (e.code === 'ESRCH') {
+                            console.log('Could not terminate the backend process. It was not running.');
+                            return;
+                        }
+                        throw e;
+                    }
+                });
+            });
+        }
+    }
+
+}