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main.js
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main.js
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const { app, BrowserWindow, ipcMain } = require('electron')
// I like warnning, why I need to disable all :(
process.env.ELECTRON_DISABLE_SECURITY_WARNINGS = true
/**placeholder window, provide icon and window collection (parent) */
/**@type {BrowserWindow} */
let mainWindow
/**@type {BrowserWindow} */
let notelistWindow
/**tracking opening notes*/
/**@type {Map<NoteId,BrowserWindow>} */
let noteWindows = new Map()
/**the program is currently closing, do not process relevent events */
let quitting = false
ipcMain.addListener('open-list-window', (sender) => { notelistWindow.show() })
ipcMain.addListener('open-note', (sender, noteid) => open_note(noteid))
function open_note(noteid) {
//check if already open
if(noteWindows.has(noteid)) {
noteWindows.get(noteid).focus()
console.log(`bring note ${noteid} to front`)
return
}
console.log(`opening note ${noteid}`)
let note = new BrowserWindow({
parent: mainWindow,
transparent: false, frame: false, show: false,
backgroundColor: '#fff', //not supposed to be seem (but it appear when resize)
webPreferences: { nodeIntegration: true }
})
note.noteid = noteid
note.loadFile('note.html')
note.on('focus', () => {
console.log('focus', note.noteid)
if(quitting) return
notelistWindow.webContents.send('note-focused', noteid)
})
note.on('closed', () => {
console.log('closed', note.noteid)
noteWindows.delete(note.noteid)
if(quitting) return
notelistWindow.webContents.send('note-closed', noteid)
if(!noteWindows.size && !notelistWindow.isVisible()) {
console.log('closing main window')
mainWindow.close()
}
})
noteWindows.set(note.noteid, note)
}
function initialize() {
quitting = false
///
/// Create main window
///
mainWindow = new BrowserWindow({
x: -1000, y: -1000, width: 480, height: 300,
transparent: true, frame: false,
webPreferences: { nodeIntegration: false }
})
mainWindow.setIgnoreMouseEvents(true)
mainWindow.loadFile('app-icon.png')
mainWindow.on('close', () => { quitting = true })
mainWindow.on('closed', () => {
console.log('main window closed')
mainWindow = null
})
///
/// Create notelist window
///
notelistWindow = new BrowserWindow({
parent: mainWindow,
x: 800, y: 100, height: 300, width: 400,
transparent: false, frame: true,
webPreferences: { nodeIntegration: true }
})
notelistWindow.on('close', ev => {
console.log('notelist window closeing')
if(quitting) return;
if(noteWindows.size) {
ev.preventDefault();
notelistWindow.hide()
}
else {
mainWindow.close()
}
})
notelistWindow.loadFile('index.html')
}
app.on('ready', initialize)
///
/// To be honest I don't really understand what below codes doing (I can guess, though)
///
// Quit when all windows are closed.
app.on('window-all-closed', function() {
// On macOS it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if(process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', function() {
// On macOS it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if(mainWindow === null) {
initialize()
}
})