electron/lib/browser/guest-window-manager.js
2016-06-09 10:35:48 -07:00

134 lines
4.6 KiB
JavaScript

'use strict'
const ipcMain = require('electron').ipcMain
const BrowserWindow = require('electron').BrowserWindow
const hasProp = {}.hasOwnProperty
const frameToGuest = {}
// Copy attribute of |parent| to |child| if it is not defined in |child|.
const mergeOptions = function (child, parent) {
let key, value
for (key in parent) {
if (!hasProp.call(parent, key)) continue
value = parent[key]
if (!(key in child)) {
if (typeof value === 'object') {
child[key] = mergeOptions({}, value)
} else {
child[key] = value
}
}
}
return child
}
// Merge |options| with the |embedder|'s window's options.
const mergeBrowserWindowOptions = function (embedder, options) {
if (embedder.browserWindowOptions != null) {
// Inherit the original options if it is a BrowserWindow.
mergeOptions(options, embedder.browserWindowOptions)
} else {
// Or only inherit web-preferences if it is a webview.
if (options.webPreferences == null) {
options.webPreferences = {}
}
mergeOptions(options.webPreferences, embedder.getWebPreferences())
}
// Disable node integration on child window if disabled on parent window
if (embedder.getWebPreferences().nodeIntegration === false) {
options.webPreferences.nodeIntegration = false
}
return options
}
// Create a new guest created by |embedder| with |options|.
const createGuest = function (embedder, url, frameName, options) {
let guest = frameToGuest[frameName]
if (frameName && (guest != null)) {
guest.loadURL(url)
return guest.id
}
// Remember the embedder window's id.
if (options.webPreferences == null) {
options.webPreferences = {}
}
const embedderWindow = BrowserWindow.fromWebContents(embedder)
options.webPreferences.openerId = embedderWindow != null ? embedderWindow.id : void 0
guest = new BrowserWindow(options)
guest.loadURL(url)
// When |embedder| is destroyed we should also destroy attached guest, and if
// guest is closed by user then we should prevent |embedder| from double
// closing guest.
const guestId = guest.id
const closedByEmbedder = function () {
guest.removeListener('closed', closedByUser)
guest.destroy()
}
const closedByUser = function () {
embedder.send('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSED_' + guestId)
embedder.removeListener('render-view-deleted', closedByEmbedder)
}
embedder.once('render-view-deleted', closedByEmbedder)
guest.once('closed', closedByUser)
if (frameName) {
frameToGuest[frameName] = guest
guest.frameName = frameName
guest.once('closed', function () {
delete frameToGuest[frameName]
})
}
return guest.id
}
// Routed window.open messages.
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_OPEN', function (event, url, frameName, disposition, options) {
options = mergeBrowserWindowOptions(event.sender, options)
event.sender.emit('new-window', event, url, frameName, disposition, options)
if ((event.sender.isGuest() && !event.sender.allowPopups) || event.defaultPrevented) {
event.returnValue = null
} else {
event.returnValue = createGuest(event.sender, url, frameName, options)
}
})
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSE', function (event, guestId) {
const guestWindow = BrowserWindow.fromId(guestId)
if (guestWindow != null) guestWindow.destroy()
})
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_METHOD', function (event, guestId, method, ...args) {
const guestWindow = BrowserWindow.fromId(guestId)
event.returnValue = guestWindow != null ? guestWindow[method].apply(guestWindow, args) : void 0
})
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_POSTMESSAGE', function (event, guestId, message, targetOrigin, sourceOrigin) {
const sourceContents = BrowserWindow.fromWebContents(event.sender)
const sourceId = sourceContents != null ? sourceContents.id : void 0
if (sourceId == null) {
return
}
const guestWindow = BrowserWindow.fromId(guestId)
const guestContents = guestWindow != null ? guestWindow.webContents : void 0
if ((guestContents != null ? guestContents.getURL().indexOf(targetOrigin) : void 0) === 0 || targetOrigin === '*') {
guestContents != null ? guestContents.send('ELECTRON_GUEST_WINDOW_POSTMESSAGE', sourceId, message, sourceOrigin) : void 0
}
})
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', function (event, guestId, method, ...args) {
const guestWindow = BrowserWindow.fromId(guestId)
if (guestWindow != null) {
const guestContents = guestWindow.webContents
if (guestContents != null) {
guestContents[method].apply(guestContents, args)
}
}
})