feat(electron): add file and directory selection dialogs; implement open path functionality

electron/main-legacy.js

@@ -17,6 +17,17 @@ const crypto = require("crypto");
 // remember main window
 var mainWindow = null;
 
+function getDialogParentWindow() {
+    const focused = BrowserWindow.getFocusedWindow();
+    if (focused && !focused.isDestroyed()) {
+        return focused;
+    }
+    if (mainWindow && !mainWindow.isDestroyed()) {
+        return mainWindow;
+    }
+    return null;
+}
+
 // power save blocker id
 var activePowerSaveBlockerId = null;
 
@@ -190,6 +201,38 @@ ipcMain.handle("showPathInFolder", (event, path) => {
     shell.showItemInFolder(path);
 });
 
+ipcMain.handle("open-path", (event, p) => {
+    return shell.openPath(p);
+});
+
+ipcMain.handle("pick-file", async () => {
+    const win = getDialogParentWindow();
+    if (!win) {
+        return null;
+    }
+    const { canceled, filePaths } = await dialog.showOpenDialog(win, {
+        properties: ["openFile"],
+    });
+    if (canceled || !filePaths || filePaths.length === 0) {
+        return null;
+    }
+    return filePaths[0];
+});
+
+ipcMain.handle("pick-directory", async () => {
+    const win = getDialogParentWindow();
+    if (!win) {
+        return null;
+    }
+    const { canceled, filePaths } = await dialog.showOpenDialog(win, {
+        properties: ["openDirectory"],
+    });
+    if (canceled || !filePaths || filePaths.length === 0) {
+        return null;
+    }
+    return filePaths[0];
+});
+
 function log(message) {
     // log to stdout of this process
     console.log(message);

electron/main.js

@@ -21,6 +21,17 @@ const crypto = require("crypto");
 // remember main window
 var mainWindow = null;
 
+function getDialogParentWindow() {
+    const focused = BrowserWindow.getFocusedWindow();
+    if (focused && !focused.isDestroyed()) {
+        return focused;
+    }
+    if (mainWindow && !mainWindow.isDestroyed()) {
+        return mainWindow;
+    }
+    return null;
+}
+
 // tray instance
 var tray = null;
 
@@ -265,6 +276,38 @@ ipcMain.handle("showPathInFolder", (event, path) => {
     shell.showItemInFolder(path);
 });
 
+ipcMain.handle("open-path", (event, p) => {
+    return shell.openPath(p);
+});
+
+ipcMain.handle("pick-file", async () => {
+    const win = getDialogParentWindow();
+    if (!win) {
+        return null;
+    }
+    const { canceled, filePaths } = await dialog.showOpenDialog(win, {
+        properties: ["openFile"],
+    });
+    if (canceled || !filePaths || filePaths.length === 0) {
+        return null;
+    }
+    return filePaths[0];
+});
+
+ipcMain.handle("pick-directory", async () => {
+    const win = getDialogParentWindow();
+    if (!win) {
+        return null;
+    }
+    const { canceled, filePaths } = await dialog.showOpenDialog(win, {
+        properties: ["openDirectory"],
+    });
+    if (canceled || !filePaths || filePaths.length === 0) {
+        return null;
+    }
+    return filePaths[0];
+});
+
 function log(message) {
     // log to stdout of this process
     console.log(message);

electron/preload.js

@@ -63,6 +63,15 @@ contextBridge.exposeInMainWorld("electron", {
     showPathInFolder: async function (path) {
         return await ipcRenderer.invoke("showPathInFolder", path);
     },
+    openPath: async function (path) {
+        return await ipcRenderer.invoke("open-path", path);
+    },
+    pickFile: async function () {
+        return await ipcRenderer.invoke("pick-file");
+    },
+    pickDirectory: async function () {
+        return await ipcRenderer.invoke("pick-directory");
+    },
     // allow checking hardware acceleration status
     isHardwareAccelerationEnabled: async function () {
         return await ipcRenderer.invoke("is-hardware-acceleration-enabled");