Move JavaScript to root lib/ folder

This commit is contained in:
Kevin Sawicki 2016-03-07 17:12:09 -08:00
parent a9c40de393
commit 70aa9b06ee
56 changed files with 0 additions and 0 deletions

View file

@ -1,145 +0,0 @@
const electron = require('electron');
const app = electron.app;
const fs = require('fs');
const path = require('path');
const url = require('url');
// Mapping between hostname and file path.
var hostPathMap = {};
var hostPathMapNextKey = 0;
var getHostForPath = function(path) {
var key;
key = "extension-" + (++hostPathMapNextKey);
hostPathMap[key] = path;
return key;
};
var getPathForHost = function(host) {
return hostPathMap[host];
};
// Cache extensionInfo.
var extensionInfoMap = {};
var getExtensionInfoFromPath = function(srcDirectory) {
var manifest, page;
manifest = JSON.parse(fs.readFileSync(path.join(srcDirectory, 'manifest.json')));
if (extensionInfoMap[manifest.name] == null) {
// We can not use 'file://' directly because all resources in the extension
// will be treated as relative to the root in Chrome.
page = url.format({
protocol: 'chrome-extension',
slashes: true,
hostname: getHostForPath(srcDirectory),
pathname: manifest.devtools_page
});
extensionInfoMap[manifest.name] = {
startPage: page,
name: manifest.name,
srcDirectory: srcDirectory,
exposeExperimentalAPIs: true
};
return extensionInfoMap[manifest.name];
}
};
// The loaded extensions cache and its persistent path.
var loadedExtensions = null;
var loadedExtensionsPath = null;
app.on('will-quit', function() {
try {
loadedExtensions = Object.keys(extensionInfoMap).map(function(key) {
return extensionInfoMap[key].srcDirectory;
});
if (loadedExtensions.length > 0) {
try {
fs.mkdirSync(path.dirname(loadedExtensionsPath));
} catch (error) {
// Ignore error
}
fs.writeFileSync(loadedExtensionsPath, JSON.stringify(loadedExtensions));
} else {
fs.unlinkSync(loadedExtensionsPath);
}
} catch (error) {
// Ignore error
}
});
// We can not use protocol or BrowserWindow until app is ready.
app.once('ready', function() {
var BrowserWindow, chromeExtensionHandler, i, init, len, protocol, srcDirectory;
protocol = electron.protocol, BrowserWindow = electron.BrowserWindow;
// Load persisted extensions.
loadedExtensionsPath = path.join(app.getPath('userData'), 'DevTools Extensions');
try {
loadedExtensions = JSON.parse(fs.readFileSync(loadedExtensionsPath));
if (!Array.isArray(loadedExtensions)) {
loadedExtensions = [];
}
// Preheat the extensionInfo cache.
for (i = 0, len = loadedExtensions.length; i < len; i++) {
srcDirectory = loadedExtensions[i];
getExtensionInfoFromPath(srcDirectory);
}
} catch (error) {
// Ignore error
}
// The chrome-extension: can map a extension URL request to real file path.
chromeExtensionHandler = function(request, callback) {
var directory, parsed;
parsed = url.parse(request.url);
if (!(parsed.hostname && (parsed.path != null))) {
return callback();
}
if (!/extension-\d+/.test(parsed.hostname)) {
return callback();
}
directory = getPathForHost(parsed.hostname);
if (directory == null) {
return callback();
}
return callback(path.join(directory, parsed.path));
};
protocol.registerFileProtocol('chrome-extension', chromeExtensionHandler, function(error) {
if (error) {
return console.error('Unable to register chrome-extension protocol');
}
});
BrowserWindow.prototype._loadDevToolsExtensions = function(extensionInfoArray) {
var ref;
return (ref = this.devToolsWebContents) != null ? ref.executeJavaScript("DevToolsAPI.addExtensions(" + (JSON.stringify(extensionInfoArray)) + ");") : void 0;
};
BrowserWindow.addDevToolsExtension = function(srcDirectory) {
var extensionInfo, j, len1, ref, window;
extensionInfo = getExtensionInfoFromPath(srcDirectory);
if (extensionInfo) {
ref = BrowserWindow.getAllWindows();
for (j = 0, len1 = ref.length; j < len1; j++) {
window = ref[j];
window._loadDevToolsExtensions([extensionInfo]);
}
return extensionInfo.name;
}
};
BrowserWindow.removeDevToolsExtension = function(name) {
return delete extensionInfoMap[name];
};
// Load persistented extensions when devtools is opened.
init = BrowserWindow.prototype._init;
return BrowserWindow.prototype._init = function() {
init.call(this);
return this.on('devtools-opened', function() {
return this._loadDevToolsExtensions(Object.keys(extensionInfoMap).map(function(key) {
return extensionInfoMap[key];
}));
});
};
});

View file

@ -1,75 +0,0 @@
const ipcMain = require('electron').ipcMain;
const desktopCapturer = process.atomBinding('desktop_capturer').desktopCapturer;
var deepEqual = function(opt1, opt2) {
return JSON.stringify(opt1) === JSON.stringify(opt2);
};
// A queue for holding all requests from renderer process.
var requestsQueue = [];
ipcMain.on('ATOM_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', function(event, captureWindow, captureScreen, thumbnailSize, id) {
var request;
request = {
id: id,
options: {
captureWindow: captureWindow,
captureScreen: captureScreen,
thumbnailSize: thumbnailSize
},
webContents: event.sender
};
requestsQueue.push(request);
if (requestsQueue.length === 1) {
desktopCapturer.startHandling(captureWindow, captureScreen, thumbnailSize);
}
// If the WebContents is destroyed before receiving result, just remove the
// reference from requestsQueue to make the module not send the result to it.
return event.sender.once('destroyed', function() {
return request.webContents = null;
});
});
desktopCapturer.emit = function(event, name, sources) {
// Receiving sources result from main process, now send them back to renderer.
var captureScreen, captureWindow, handledRequest, i, len, ref, ref1, ref2, request, result, source, thumbnailSize, unhandledRequestsQueue;
handledRequest = requestsQueue.shift(0);
result = (function() {
var i, len, results;
results = [];
for (i = 0, len = sources.length; i < len; i++) {
source = sources[i];
results.push({
id: source.id,
name: source.name,
thumbnail: source.thumbnail.toDataUrl()
});
}
return results;
})();
if ((ref = handledRequest.webContents) != null) {
ref.send("ATOM_RENDERER_DESKTOP_CAPTURER_RESULT_" + handledRequest.id, result);
}
// Check the queue to see whether there is other same request. If has, handle
// it for reducing redunplicated `desktopCaptuer.startHandling` calls.
unhandledRequestsQueue = [];
for (i = 0, len = requestsQueue.length; i < len; i++) {
request = requestsQueue[i];
if (deepEqual(handledRequest.options, request.options)) {
if ((ref1 = request.webContents) != null) {
ref1.send("ATOM_RENDERER_DESKTOP_CAPTURER_RESULT_" + request.id, result);
}
} else {
unhandledRequestsQueue.push(request);
}
}
requestsQueue = unhandledRequestsQueue;
// If the requestsQueue is not empty, start a new request handling.
if (requestsQueue.length > 0) {
ref2 = requestsQueue[0].options, captureWindow = ref2.captureWindow, captureScreen = ref2.captureScreen, thumbnailSize = ref2.thumbnailSize;
return desktopCapturer.startHandling(captureWindow, captureScreen, thumbnailSize);
}
};

View file

@ -1,247 +0,0 @@
const ipcMain = require('electron').ipcMain;
const webContents = require('electron').webContents;
var slice = [].slice;
// Doesn't exist in early initialization.
var webViewManager = null;
var supportedWebViewEvents = [
'load-commit',
'did-finish-load',
'did-fail-load',
'did-frame-finish-load',
'did-start-loading',
'did-stop-loading',
'did-get-response-details',
'did-get-redirect-request',
'dom-ready',
'console-message',
'devtools-opened',
'devtools-closed',
'devtools-focused',
'new-window',
'will-navigate',
'did-navigate',
'did-navigate-in-page',
'close',
'crashed',
'gpu-crashed',
'plugin-crashed',
'destroyed',
'page-title-updated',
'page-favicon-updated',
'enter-html-full-screen',
'leave-html-full-screen',
'media-started-playing',
'media-paused',
'found-in-page',
'did-change-theme-color'
];
var nextInstanceId = 0;
var guestInstances = {};
var embedderElementsMap = {};
var reverseEmbedderElementsMap = {};
// Moves the last element of array to the first one.
var moveLastToFirst = function(list) {
return list.unshift(list.pop());
};
// Generate guestInstanceId.
var getNextInstanceId = function() {
return ++nextInstanceId;
};
// Create a new guest instance.
var createGuest = function(embedder, params) {
var destroy, destroyEvents, event, fn, guest, i, id, j, len, len1, listeners;
if (webViewManager == null) {
webViewManager = process.atomBinding('web_view_manager');
}
id = getNextInstanceId(embedder);
guest = webContents.create({
isGuest: true,
partition: params.partition,
embedder: embedder
});
guestInstances[id] = {
guest: guest,
embedder: embedder
};
// Destroy guest when the embedder is gone or navigated.
destroyEvents = ['will-destroy', 'crashed', 'did-navigate'];
destroy = function() {
if (guestInstances[id] != null) {
return destroyGuest(embedder, id);
}
};
for (i = 0, len = destroyEvents.length; i < len; i++) {
event = destroyEvents[i];
embedder.once(event, destroy);
// Users might also listen to the crashed event, so We must ensure the guest
// is destroyed before users' listener gets called. It is done by moving our
// listener to the first one in queue.
listeners = embedder._events[event];
if (Array.isArray(listeners)) {
moveLastToFirst(listeners);
}
}
guest.once('destroyed', function() {
var j, len1, results;
results = [];
for (j = 0, len1 = destroyEvents.length; j < len1; j++) {
event = destroyEvents[j];
results.push(embedder.removeListener(event, destroy));
}
return results;
});
// Init guest web view after attached.
guest.once('did-attach', function() {
var opts;
params = this.attachParams;
delete this.attachParams;
this.viewInstanceId = params.instanceId;
this.setSize({
normal: {
width: params.elementWidth,
height: params.elementHeight
},
enableAutoSize: params.autosize,
min: {
width: params.minwidth,
height: params.minheight
},
max: {
width: params.maxwidth,
height: params.maxheight
}
});
if (params.src) {
opts = {};
if (params.httpreferrer) {
opts.httpReferrer = params.httpreferrer;
}
if (params.useragent) {
opts.userAgent = params.useragent;
}
this.loadURL(params.src, opts);
}
if (params.allowtransparency != null) {
this.setAllowTransparency(params.allowtransparency);
}
return guest.allowPopups = params.allowpopups;
});
// Dispatch events to embedder.
fn = function(event) {
return guest.on(event, function() {
var args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
return embedder.send.apply(embedder, ["ATOM_SHELL_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-" + guest.viewInstanceId, event].concat(slice.call(args)));
});
};
for (j = 0, len1 = supportedWebViewEvents.length; j < len1; j++) {
event = supportedWebViewEvents[j];
fn(event);
}
// Dispatch guest's IPC messages to embedder.
guest.on('ipc-message-host', function(_, packed) {
var args, channel;
channel = packed[0], args = 2 <= packed.length ? slice.call(packed, 1) : [];
return embedder.send.apply(embedder, ["ATOM_SHELL_GUEST_VIEW_INTERNAL_IPC_MESSAGE-" + guest.viewInstanceId, channel].concat(slice.call(args)));
});
// Autosize.
guest.on('size-changed', function() {
var args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
return embedder.send.apply(embedder, ["ATOM_SHELL_GUEST_VIEW_INTERNAL_SIZE_CHANGED-" + guest.viewInstanceId].concat(slice.call(args)));
});
return id;
};
// Attach the guest to an element of embedder.
var attachGuest = function(embedder, elementInstanceId, guestInstanceId, params) {
var guest, key, oldGuestInstanceId, ref1, webPreferences;
guest = guestInstances[guestInstanceId].guest;
// Destroy the old guest when attaching.
key = (embedder.getId()) + "-" + elementInstanceId;
oldGuestInstanceId = embedderElementsMap[key];
if (oldGuestInstanceId != null) {
// Reattachment to the same guest is not currently supported.
if (oldGuestInstanceId === guestInstanceId) {
return;
}
if (guestInstances[oldGuestInstanceId] == null) {
return;
}
destroyGuest(embedder, oldGuestInstanceId);
}
webPreferences = {
guestInstanceId: guestInstanceId,
nodeIntegration: (ref1 = params.nodeintegration) != null ? ref1 : false,
plugins: params.plugins,
webSecurity: !params.disablewebsecurity,
blinkFeatures: params.blinkfeatures
};
if (params.preload) {
webPreferences.preloadURL = params.preload;
}
webViewManager.addGuest(guestInstanceId, elementInstanceId, embedder, guest, webPreferences);
guest.attachParams = params;
embedderElementsMap[key] = guestInstanceId;
return reverseEmbedderElementsMap[guestInstanceId] = key;
};
// Destroy an existing guest instance.
var destroyGuest = function(embedder, id) {
var key;
webViewManager.removeGuest(embedder, id);
guestInstances[id].guest.destroy();
delete guestInstances[id];
key = reverseEmbedderElementsMap[id];
if (key != null) {
delete reverseEmbedderElementsMap[id];
return delete embedderElementsMap[key];
}
};
ipcMain.on('ATOM_SHELL_GUEST_VIEW_MANAGER_CREATE_GUEST', function(event, params, requestId) {
return event.sender.send("ATOM_SHELL_RESPONSE_" + requestId, createGuest(event.sender, params));
});
ipcMain.on('ATOM_SHELL_GUEST_VIEW_MANAGER_ATTACH_GUEST', function(event, elementInstanceId, guestInstanceId, params) {
return attachGuest(event.sender, elementInstanceId, guestInstanceId, params);
});
ipcMain.on('ATOM_SHELL_GUEST_VIEW_MANAGER_DESTROY_GUEST', function(event, id) {
return destroyGuest(event.sender, id);
});
ipcMain.on('ATOM_SHELL_GUEST_VIEW_MANAGER_SET_SIZE', function(event, id, params) {
var ref1;
return (ref1 = guestInstances[id]) != null ? ref1.guest.setSize(params) : void 0;
});
ipcMain.on('ATOM_SHELL_GUEST_VIEW_MANAGER_SET_ALLOW_TRANSPARENCY', function(event, id, allowtransparency) {
var ref1;
return (ref1 = guestInstances[id]) != null ? ref1.guest.setAllowTransparency(allowtransparency) : void 0;
});
// Returns WebContents from its guest id.
exports.getGuest = function(id) {
var ref1;
return (ref1 = guestInstances[id]) != null ? ref1.guest : void 0;
};
// Returns the embedder of the guest.
exports.getEmbedder = function(id) {
var ref1;
return (ref1 = guestInstances[id]) != null ? ref1.embedder : void 0;
};

View file

@ -1,124 +0,0 @@
const ipcMain = require('electron').ipcMain;
const BrowserWindow = require('electron').BrowserWindow;
var hasProp = {}.hasOwnProperty;
var slice = [].slice;
var frameToGuest = {};
// Copy attribute of |parent| to |child| if it is not defined in |child|.
var mergeOptions = function(child, parent) {
var 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.
var 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());
}
return options;
};
// Create a new guest created by |embedder| with |options|.
var createGuest = function(embedder, url, frameName, options) {
var closedByEmbedder, closedByUser, guest, guestId, ref1;
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 = {};
}
options.webPreferences.openerId = (ref1 = BrowserWindow.fromWebContents(embedder)) != null ? ref1.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.
guestId = guest.id;
closedByEmbedder = function() {
guest.removeListener('closed', closedByUser);
return guest.destroy();
};
closedByUser = function() {
embedder.send("ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_CLOSED_" + guestId);
return 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() {
return delete frameToGuest[frameName];
});
}
return guest.id;
};
// Routed window.open messages.
ipcMain.on('ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_OPEN', function() {
var args, event, frameName, options, url;
event = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
url = args[0], frameName = args[1], options = args[2];
options = mergeBrowserWindowOptions(event.sender, options);
event.sender.emit('new-window', event, url, frameName, 'new-window', options);
if ((event.sender.isGuest() && !event.sender.allowPopups) || event.defaultPrevented) {
return event.returnValue = null;
} else {
return event.returnValue = createGuest(event.sender, url, frameName, options);
}
});
ipcMain.on('ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_CLOSE', function(event, guestId) {
var ref1;
return (ref1 = BrowserWindow.fromId(guestId)) != null ? ref1.destroy() : void 0;
});
ipcMain.on('ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_METHOD', function() {
var args, guestId, method, ref1;
guestId = arguments[1], method = arguments[2], args = 4 <= arguments.length ? slice.call(arguments, 3) : [];
return (ref1 = BrowserWindow.fromId(guestId)) != null ? ref1[method].apply(ref1, args) : void 0;
});
ipcMain.on('ATOM_SHELL_GUEST_WINDOW_MANAGER_WINDOW_POSTMESSAGE', function(event, guestId, message, targetOrigin, sourceOrigin) {
var guestContents, ref1, ref2, sourceId;
sourceId = (ref1 = BrowserWindow.fromWebContents(event.sender)) != null ? ref1.id : void 0;
if (sourceId == null) {
return;
}
guestContents = (ref2 = BrowserWindow.fromId(guestId)) != null ? ref2.webContents : void 0;
if ((guestContents != null ? guestContents.getURL().indexOf(targetOrigin) : void 0) === 0 || targetOrigin === '*') {
return guestContents != null ? guestContents.send('ATOM_SHELL_GUEST_WINDOW_POSTMESSAGE', sourceId, message, sourceOrigin) : void 0;
}
});
ipcMain.on('ATOM_SHELL_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', function() {
var args, guestId, method, ref1, ref2;
guestId = arguments[1], method = arguments[2], args = 4 <= arguments.length ? slice.call(arguments, 3) : [];
return (ref1 = BrowserWindow.fromId(guestId)) != null ? (ref2 = ref1.webContents) != null ? ref2[method].apply(ref2, args) : void 0 : void 0;
});

View file

@ -1,158 +0,0 @@
const fs = require('fs');
const path = require('path');
const util = require('util');
const Module = require('module');
const v8 = require('v8');
var slice = [].slice;
// We modified the original process.argv to let node.js load the atom.js,
// we need to restore it here.
process.argv.splice(1, 1);
// Clear search paths.
require(path.resolve(__dirname, '..', '..', 'common', 'lib', 'reset-search-paths'));
// Import common settings.
require(path.resolve(__dirname, '..', '..', 'common', 'lib', 'init'));
var globalPaths = Module.globalPaths;
if (!process.env.ELECTRON_HIDE_INTERNAL_MODULES) {
globalPaths.push(path.resolve(__dirname, '..', 'api', 'lib'));
}
// Expose public APIs.
globalPaths.push(path.resolve(__dirname, '..', 'api', 'lib', 'exports'));
if (process.platform === 'win32') {
// Redirect node's console to use our own implementations, since node can not
// handle console output when running as GUI program.
var consoleLog = function() {
var args;
args = 1 <= arguments.length ? slice.call(arguments, 0) : [];
return process.log(util.format.apply(util, args) + "\n");
};
var streamWrite = function(chunk, encoding, callback) {
if (Buffer.isBuffer(chunk)) {
chunk = chunk.toString(encoding);
}
process.log(chunk);
if (callback) {
callback();
}
return true;
};
console.log = console.error = console.warn = consoleLog;
process.stdout.write = process.stderr.write = streamWrite;
// Always returns EOF for stdin stream.
var Readable = require('stream').Readable;
var stdin = new Readable;
stdin.push(null);
process.__defineGetter__('stdin', function() {
return stdin;
});
}
// Don't quit on fatal error.
process.on('uncaughtException', function(error) {
// Do nothing if the user has a custom uncaught exception handler.
var dialog, message, ref, stack;
if (process.listeners('uncaughtException').length > 1) {
return;
}
// Show error in GUI.
dialog = require('electron').dialog;
stack = (ref = error.stack) != null ? ref : error.name + ": " + error.message;
message = "Uncaught Exception:\n" + stack;
return dialog.showErrorBox('A JavaScript error occurred in the main process', message);
});
// Emit 'exit' event on quit.
var app = require('electron').app;
app.on('quit', function(event, exitCode) {
return process.emit('exit', exitCode);
});
// Map process.exit to app.exit, which quits gracefully.
process.exit = app.exit;
// Load the RPC server.
require('./rpc-server');
// Load the guest view manager.
require('./guest-view-manager');
require('./guest-window-manager');
// Now we try to load app's package.json.
var packageJson = null;
var searchPaths = ['app', 'app.asar', 'default_app'];
var i, len, packagePath;
for (i = 0, len = searchPaths.length; i < len; i++) {
packagePath = searchPaths[i];
try {
packagePath = path.join(process.resourcesPath, packagePath);
packageJson = JSON.parse(fs.readFileSync(path.join(packagePath, 'package.json')));
break;
} catch (error) {
continue;
}
}
if (packageJson == null) {
process.nextTick(function() {
return process.exit(1);
});
throw new Error("Unable to find a valid app");
}
// Set application's version.
if (packageJson.version != null) {
app.setVersion(packageJson.version);
}
// Set application's name.
if (packageJson.productName != null) {
app.setName(packageJson.productName);
} else if (packageJson.name != null) {
app.setName(packageJson.name);
}
// Set application's desktop name.
if (packageJson.desktopName != null) {
app.setDesktopName(packageJson.desktopName);
} else {
app.setDesktopName((app.getName()) + ".desktop");
}
// Set v8 flags
if (packageJson.v8Flags != null) {
v8.setFlagsFromString(packageJson.v8Flags);
}
// Chrome 42 disables NPAPI plugins by default, reenable them here
app.commandLine.appendSwitch('enable-npapi');
// Set the user path according to application's name.
app.setPath('userData', path.join(app.getPath('appData'), app.getName()));
app.setPath('userCache', path.join(app.getPath('cache'), app.getName()));
app.setAppPath(packagePath);
// Load the chrome extension support.
require('./chrome-extension');
// Load internal desktop-capturer module.
require('./desktop-capturer');
// Set main startup script of the app.
var mainStartupScript = packageJson.main || 'index.js';
// Finally load app's main.js and transfer control to C++.
Module._load(path.join(packagePath, mainStartupScript), Module, true);

View file

@ -1,94 +0,0 @@
'use strict';
const v8Util = process.atomBinding('v8_util');
class ObjectsRegistry {
constructor() {
this.nextId = 0;
// Stores all objects by ref-counting.
// (id) => {object, count}
this.storage = {};
// Stores the IDs of objects referenced by WebContents.
// (webContentsId) => [id]
this.owners = {};
}
// Register a new object and return its assigned ID. If the object is already
// registered then the already assigned ID would be returned.
add(webContents, obj) {
// Get or assign an ID to the object.
let id = this.saveToStorage(obj);
// Add object to the set of referenced objects.
let webContentsId = webContents.getId();
let owner = this.owners[webContentsId];
if (!owner) {
owner = this.owners[webContentsId] = new Set();
// Clear the storage when webContents is reloaded/navigated.
webContents.once('render-view-deleted', (event, id) => {
this.clear(id);
});
}
if (!owner.has(id)) {
owner.add(id);
// Increase reference count if not referenced before.
this.storage[id].count++;
}
return id;
}
// Get an object according to its ID.
get(id) {
return this.storage[id].object;
}
// Dereference an object according to its ID.
remove(webContentsId, id) {
// Dereference from the storage.
this.dereference(id);
// Also remove the reference in owner.
this.owners[webContentsId].delete(id);
}
// Clear all references to objects refrenced by the WebContents.
clear(webContentsId) {
let owner = this.owners[webContentsId];
if (!owner)
return;
for (let id of owner)
this.dereference(id);
delete this.owners[webContentsId];
}
// Private: Saves the object into storage and assigns an ID for it.
saveToStorage(object) {
let id = v8Util.getHiddenValue(object, 'atomId');
if (!id) {
id = ++this.nextId;
this.storage[id] = {
count: 0,
object: object
};
v8Util.setHiddenValue(object, 'atomId', id);
}
return id;
}
// Private: Dereference the object from store.
dereference(id) {
let pointer = this.storage[id];
if (pointer == null) {
return;
}
pointer.count -= 1;
if (pointer.count === 0) {
v8Util.deleteHiddenValue(pointer.object, 'atomId');
return delete this.storage[id];
}
}
}
module.exports = new ObjectsRegistry;

View file

@ -1,371 +0,0 @@
'use strict';
const electron = require('electron');
const ipcMain = electron.ipcMain;
const objectsRegistry = require('./objects-registry');
const v8Util = process.atomBinding('v8_util');
const IDWeakMap = process.atomBinding('id_weak_map').IDWeakMap;
// The internal properties of Function.
const FUNCTION_PROPERTIES = [
'length', 'name', 'arguments', 'caller', 'prototype',
];
// The remote functions in renderer processes.
// (webContentsId) => {id: Function}
let rendererFunctions = {};
// Return the description of object's members:
let getObjectMembers = function(object) {
let names = Object.getOwnPropertyNames(object);
// For Function, we should not override following properties even though they
// are "own" properties.
if (typeof object === 'function') {
names = names.filter((name) => {
return !FUNCTION_PROPERTIES.includes(name);
});
}
// Map properties to descriptors.
return names.map((name) => {
let descriptor = Object.getOwnPropertyDescriptor(object, name);
let member = {name, enumerable: descriptor.enumerable, writable: false};
if (descriptor.get === undefined && typeof object[name] === 'function') {
member.type = 'method';
} else {
if (descriptor.set || descriptor.writable)
member.writable = true;
member.type = 'get';
}
return member;
});
};
// Return the description of object's prototype.
let getObjectPrototype = function(object) {
let proto = Object.getPrototypeOf(object);
if (proto === null || proto === Object.prototype)
return null;
return {
members: getObjectMembers(proto),
proto: getObjectPrototype(proto),
};
};
// Convert a real value into meta data.
var valueToMeta = function(sender, value, optimizeSimpleObject) {
var el, i, len, meta;
if (optimizeSimpleObject == null) {
optimizeSimpleObject = false;
}
meta = {
type: typeof value
};
if (Buffer.isBuffer(value)) {
meta.type = 'buffer';
}
if (value === null) {
meta.type = 'value';
}
if (Array.isArray(value)) {
meta.type = 'array';
}
if (value instanceof Error) {
meta.type = 'error';
}
if (value instanceof Date) {
meta.type = 'date';
}
if ((value != null ? value.constructor.name : void 0) === 'Promise') {
meta.type = 'promise';
}
// Treat simple objects as value.
if (optimizeSimpleObject && meta.type === 'object' && v8Util.getHiddenValue(value, 'simple')) {
meta.type = 'value';
}
// Treat the arguments object as array.
if (meta.type === 'object' && (value.hasOwnProperty('callee')) && (value.length != null)) {
meta.type = 'array';
}
if (meta.type === 'array') {
meta.members = [];
for (i = 0, len = value.length; i < len; i++) {
el = value[i];
meta.members.push(valueToMeta(sender, el));
}
} else if (meta.type === 'object' || meta.type === 'function') {
meta.name = value.constructor.name;
// Reference the original value if it's an object, because when it's
// passed to renderer we would assume the renderer keeps a reference of
// it.
meta.id = objectsRegistry.add(sender, value);
meta.members = getObjectMembers(value);
meta.proto = getObjectPrototype(value);
} else if (meta.type === 'buffer') {
meta.value = Array.prototype.slice.call(value, 0);
} else if (meta.type === 'promise') {
meta.then = valueToMeta(sender, value.then.bind(value));
} else if (meta.type === 'error') {
meta.members = plainObjectToMeta(value);
// Error.name is not part of own properties.
meta.members.push({
name: 'name',
value: value.name
});
} else if (meta.type === 'date') {
meta.value = value.getTime();
} else {
meta.type = 'value';
meta.value = value;
}
return meta;
};
// Convert object to meta by value.
var plainObjectToMeta = function(obj) {
return Object.getOwnPropertyNames(obj).map(function(name) {
return {
name: name,
value: obj[name]
};
});
};
// Convert Error into meta data.
var exceptionToMeta = function(error) {
return {
type: 'exception',
message: error.message,
stack: error.stack || error
};
};
// Convert array of meta data from renderer into array of real values.
var unwrapArgs = function(sender, args) {
var metaToValue;
metaToValue = function(meta) {
var i, len, member, ref, returnValue;
switch (meta.type) {
case 'value':
return meta.value;
case 'remote-object':
return objectsRegistry.get(meta.id);
case 'array':
return unwrapArgs(sender, meta.value);
case 'buffer':
return new Buffer(meta.value);
case 'date':
return new Date(meta.value);
case 'promise':
return Promise.resolve({
then: metaToValue(meta.then)
});
case 'object': {
let ret = {};
Object.defineProperty(ret.constructor, 'name', { value: meta.name });
ref = meta.members;
for (i = 0, len = ref.length; i < len; i++) {
member = ref[i];
ret[member.name] = metaToValue(member.value);
}
return ret;
}
case 'function-with-return-value':
returnValue = metaToValue(meta.value);
return function() {
return returnValue;
};
case 'function': {
// Cache the callbacks in renderer.
let webContentsId = sender.getId();
let callbacks = rendererFunctions[webContentsId];
if (!callbacks) {
callbacks = rendererFunctions[webContentsId] = new IDWeakMap;
sender.once('render-view-deleted', function(event, id) {
callbacks.clear();
delete rendererFunctions[id];
});
}
if (callbacks.has(meta.id))
return callbacks.get(meta.id);
let callIntoRenderer = function(...args) {
if ((webContentsId in rendererFunctions) && !sender.isDestroyed())
sender.send('ATOM_RENDERER_CALLBACK', meta.id, valueToMeta(sender, args));
else
throw new Error(`Attempting to call a function in a renderer window that has been closed or released. Function provided here: ${meta.location}.`);
};
v8Util.setDestructor(callIntoRenderer, function() {
if ((webContentsId in rendererFunctions) && !sender.isDestroyed())
sender.send('ATOM_RENDERER_RELEASE_CALLBACK', meta.id);
});
callbacks.set(meta.id, callIntoRenderer);
return callIntoRenderer;
}
default:
throw new TypeError("Unknown type: " + meta.type);
}
};
return args.map(metaToValue);
};
// Call a function and send reply asynchronously if it's a an asynchronous
// style function and the caller didn't pass a callback.
var callFunction = function(event, func, caller, args) {
var funcMarkedAsync, funcName, funcPassedCallback, ref, ret;
funcMarkedAsync = v8Util.getHiddenValue(func, 'asynchronous');
funcPassedCallback = typeof args[args.length - 1] === 'function';
try {
if (funcMarkedAsync && !funcPassedCallback) {
args.push(function(ret) {
return event.returnValue = valueToMeta(event.sender, ret, true);
});
return func.apply(caller, args);
} else {
ret = func.apply(caller, args);
return event.returnValue = valueToMeta(event.sender, ret, true);
}
} catch (error) {
// Catch functions thrown further down in function invocation and wrap
// them with the function name so it's easier to trace things like
// `Error processing argument -1.`
funcName = (ref = func.name) != null ? ref : "anonymous";
throw new Error("Could not call remote function `" + funcName + "`. Check that the function signature is correct. Underlying error: " + error.message);
}
};
ipcMain.on('ATOM_BROWSER_REQUIRE', function(event, module) {
try {
return event.returnValue = valueToMeta(event.sender, process.mainModule.require(module));
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_GET_BUILTIN', function(event, module) {
try {
return event.returnValue = valueToMeta(event.sender, electron[module]);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_GLOBAL', function(event, name) {
try {
return event.returnValue = valueToMeta(event.sender, global[name]);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_CURRENT_WINDOW', function(event) {
try {
return event.returnValue = valueToMeta(event.sender, event.sender.getOwnerBrowserWindow());
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_CURRENT_WEB_CONTENTS', function(event) {
return event.returnValue = valueToMeta(event.sender, event.sender);
});
ipcMain.on('ATOM_BROWSER_CONSTRUCTOR', function(event, id, args) {
try {
args = unwrapArgs(event.sender, args);
let constructor = objectsRegistry.get(id);
// Call new with array of arguments.
// http://stackoverflow.com/questions/1606797/use-of-apply-with-new-operator-is-this-possible
let obj = new (Function.prototype.bind.apply(constructor, [null].concat(args)));
return event.returnValue = valueToMeta(event.sender, obj);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_FUNCTION_CALL', function(event, id, args) {
try {
args = unwrapArgs(event.sender, args);
let func = objectsRegistry.get(id);
return callFunction(event, func, global, args);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_MEMBER_CONSTRUCTOR', function(event, id, method, args) {
try {
args = unwrapArgs(event.sender, args);
let constructor = objectsRegistry.get(id)[method];
// Call new with array of arguments.
let obj = new (Function.prototype.bind.apply(constructor, [null].concat(args)));
return event.returnValue = valueToMeta(event.sender, obj);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_MEMBER_CALL', function(event, id, method, args) {
try {
args = unwrapArgs(event.sender, args);
let obj = objectsRegistry.get(id);
return callFunction(event, obj[method], obj, args);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_MEMBER_SET', function(event, id, name, value) {
try {
let obj = objectsRegistry.get(id);
obj[name] = value;
return event.returnValue = null;
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_MEMBER_GET', function(event, id, name) {
try {
let obj = objectsRegistry.get(id);
return event.returnValue = valueToMeta(event.sender, obj[name]);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_DEREFERENCE', function(event, id) {
return objectsRegistry.remove(event.sender.getId(), id);
});
ipcMain.on('ATOM_BROWSER_GUEST_WEB_CONTENTS', function(event, guestInstanceId) {
try {
let guestViewManager = require('./guest-view-manager');
return event.returnValue = valueToMeta(event.sender, guestViewManager.getGuest(guestInstanceId));
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});
ipcMain.on('ATOM_BROWSER_ASYNC_CALL_TO_GUEST_VIEW', function(event, requestId, guestInstanceId, method, ...args) {
try {
let guestViewManager = require('./guest-view-manager');
let guest = guestViewManager.getGuest(guestInstanceId);
if (requestId) {
const responseCallback = function(result) {
event.sender.send(`ATOM_RENDERER_ASYNC_CALL_TO_GUEST_VIEW_RESPONSE_${requestId}`, result);
};
args.push(responseCallback);
}
guest[method].apply(guest, args);
} catch (error) {
return event.returnValue = exceptionToMeta(error);
}
});