separation of concerns

main/ipc.js

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+var electron = require('electron')
+var debug = require('debug')('webtorrent-app:ipcMain')
+var ipcMain = electron.ipcMain
+var windows = require('./windows')
+
+module.exports = {
+  init: init
+}
+
+function init () {
+  ipcMain.on('addTorrentFromPaste', function (e) {
+    addTorrentFromPaste()
+  })
+
+  ipcMain.on('setBounds', function (e, bounds) {
+    setBounds(bounds)
+  })
+
+  ipcMain.on('setAspectRatio', function (e, aspectRatio, extraSize) {
+    setAspectRatio(aspectRatio, extraSize)
+  })
+
+  ipcMain.on('setBadge', function (e, text) {
+    setBadge(text)
+  })
+
+  ipcMain.on('setProgress', function (e, progress) {
+    setProgress(progress)
+  })
+}
+
+function addTorrentFromPaste () {
+  debug('addTorrentFromPaste')
+  var torrentIds = electron.clipboard.readText().split('\n')
+  torrentIds.forEach(function (torrentId) {
+    torrentId = torrentId.trim()
+    if (torrentId.length === 0) return
+    windows.mainWindow.send('addTorrent', torrentId)
+  })
+}
+
+function setBounds (bounds) {
+  debug('setBounds %o', bounds)
+  if (windows.mainWindow) {
+    windows.mainWindow.setBounds(bounds, true)
+  }
+}
+
+function setAspectRatio (aspectRatio, extraSize) {
+  debug('setAspectRatio %o %o', aspectRatio, extraSize)
+  if (windows.mainWindow) {
+    windows.mainWindow.setAspectRatio(aspectRatio, extraSize)
+  }
+}
+
+// Display string in dock badging area (OS X)
+function setBadge (text) {
+  debug('setBadge %s', text)
+  electron.app.dock.setBadge(String(text))
+}
+
+// Show progress bar. Valid range is [0, 1]. Remove when < 0; indeterminate when > 1.
+function setProgress (progress) {
+  debug('setProgress %s', progress)
+  if (windows.mainWindow) {
+    windows.mainWindow.setProgressBar(progress)
+  }
+}