manually standardize this tricky file

This commit is contained in:
Zeke Sikelianos 2016-03-24 13:34:36 -07:00 committed by Kevin Sawicki
parent 4794385fac
commit 4d4f479721

View file

@ -1,371 +1,377 @@
'use strict';
'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;
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',
];
'length', 'name', 'arguments', 'caller', 'prototype'
]
// The remote functions in renderer processes.
// (webContentsId) => {id: Function}
let rendererFunctions = {};
let rendererFunctions = {}
// Return the description of object's members:
let getObjectMembers = function(object) {
let names = Object.getOwnPropertyNames(object);
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);
});
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};
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';
member.type = 'method'
} else {
if (descriptor.set || descriptor.writable)
member.writable = true;
member.type = 'get';
if (descriptor.set || descriptor.writable) member.writable = true
member.type = 'get'
}
return member;
});
};
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;
let getObjectPrototype = function (object) {
let proto = Object.getPrototypeOf(object)
if (proto === null || proto === Object.prototype) return null
return {
members: getObjectMembers(proto),
proto: getObjectPrototype(proto),
};
};
proto: getObjectPrototype(proto)
}
}
// Convert a real value into meta data.
var valueToMeta = function(sender, value, optimizeSimpleObject) {
var el, i, len, meta;
var valueToMeta = function (sender, value, optimizeSimpleObject) {
var el, i, len, meta
if (optimizeSimpleObject == null) {
optimizeSimpleObject = false;
optimizeSimpleObject = false
}
meta = {
type: typeof value
};
}
if (Buffer.isBuffer(value)) {
meta.type = 'buffer';
meta.type = 'buffer'
}
if (value === null) {
meta.type = 'value';
meta.type = 'value'
}
if (Array.isArray(value)) {
meta.type = 'array';
meta.type = 'array'
}
if (value instanceof Error) {
meta.type = 'error';
meta.type = 'error'
}
if (value instanceof Date) {
meta.type = 'date';
meta.type = 'date'
}
if ((value != null ? value.constructor.name : void 0) === 'Promise') {
meta.type = 'promise';
meta.type = 'promise'
}
// Treat simple objects as value.
if (optimizeSimpleObject && meta.type === 'object' && v8Util.getHiddenValue(value, 'simple')) {
meta.type = 'value';
meta.type = 'value'
}
// Treat the arguments object as array.
if (meta.type === 'object' && (value.hasOwnProperty('callee')) && (value.length != null)) {
meta.type = 'array';
meta.type = 'array'
}
if (meta.type === 'array') {
meta.members = [];
meta.members = []
for (i = 0, len = value.length; i < len; i++) {
el = value[i];
meta.members.push(valueToMeta(sender, el));
el = value[i]
meta.members.push(valueToMeta(sender, el))
}
} else if (meta.type === 'object' || meta.type === 'function') {
meta.name = value.constructor.name;
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);
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);
meta.value = Array.prototype.slice.call(value, 0)
} else if (meta.type === 'promise') {
meta.then = valueToMeta(sender, function(v) { value.then(v); });
meta.then = valueToMeta(sender, function (v) { value.then(v) })
} else if (meta.type === 'error') {
meta.members = plainObjectToMeta(value);
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();
meta.value = value.getTime()
} else {
meta.type = 'value';
meta.value = value;
meta.type = 'value'
meta.value = value
}
return meta;
};
return meta
}
// Convert object to meta by value.
var plainObjectToMeta = function(obj) {
return Object.getOwnPropertyNames(obj).map(function(name) {
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) {
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;
var unwrapArgs = function (sender, args) {
var metaToValue
metaToValue = function (meta) {
var i, len, member, ref, returnValue
switch (meta.type) {
case 'value':
return meta.value;
return meta.value
case 'remote-object':
return objectsRegistry.get(meta.id);
return objectsRegistry.get(meta.id)
case 'array':
return unwrapArgs(sender, meta.value);
return unwrapArgs(sender, meta.value)
case 'buffer':
return new Buffer(meta.value);
return new Buffer(meta.value)
case 'date':
return new Date(meta.value);
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 });
})
case 'object':
{
let ret = {}
Object.defineProperty(ret.constructor, 'name', { value: meta.name })
ref = meta.members;
ref = meta.members
for (i = 0, len = ref.length; i < len; i++) {
member = ref[i];
ret[member.name] = metaToValue(member.value);
member = ref[i]
ret[member.name] = metaToValue(member.value)
}
return ret
}
return ret;
}
case 'function-with-return-value':
returnValue = metaToValue(meta.value);
return function() {
return returnValue;
};
case 'function': {
returnValue = metaToValue(meta.value)
return function () {
return returnValue
}
case 'function':
{
// Cache the callbacks in renderer.
let webContentsId = sender.getId();
let callbacks = rendererFunctions[webContentsId];
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];
});
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);
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;
}
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);
throw new TypeError(`Unknown type: ${meta.type}`)
}
};
return args.map(metaToValue);
};
}
return args.map(metaToValue)
}
// Call a function and send reply asynchronously if it's a an asynchronous
// style function and the caller didn't pass a callback.
var callFunction = function(event, func, caller, args) {
var funcMarkedAsync, funcName, funcPassedCallback, ref, ret;
funcMarkedAsync = v8Util.getHiddenValue(func, 'asynchronous');
funcPassedCallback = typeof args[args.length - 1] === 'function';
var callFunction = function (event, func, caller, args) {
var funcMarkedAsync, funcName, funcPassedCallback, ref, ret
funcMarkedAsync = v8Util.getHiddenValue(func, 'asynchronous')
funcPassedCallback = typeof args[args.length - 1] === 'function'
try {
if (funcMarkedAsync && !funcPassedCallback) {
args.push(function(ret) {
return event.returnValue = valueToMeta(event.sender, ret, true);
});
return func.apply(caller, args);
args.push(function (ret) {
event.returnValue = valueToMeta(event.sender, ret, true)
return event.returnValue
})
return func.apply(caller, args)
} else {
ret = func.apply(caller, args);
return event.returnValue = valueToMeta(event.sender, ret, true);
ret = func.apply(caller, args)
event.returnValue = valueToMeta(event.sender, ret, true)
return event.returnValue
}
} catch (error) {
// Catch functions thrown further down in function invocation and wrap
// them with the function name so it's easier to trace things like
// `Error processing argument -1.`
funcName = (ref = func.name) != null ? ref : "anonymous";
throw new Error("Could not call remote function `" + funcName + "`. Check that the function signature is correct. Underlying error: " + error.message);
funcName = ((ref = func.name) != null) ? ref : 'anonymous'
throw new Error(`Could not call remote function '${funcName}'. Check that the function signature is correct. Underlying error: ${error.message}`)
}
};
}
ipcMain.on('ATOM_BROWSER_REQUIRE', function(event, module) {
ipcMain.on('ATOM_BROWSER_REQUIRE', function (event, module) {
try {
return event.returnValue = valueToMeta(event.sender, process.mainModule.require(module));
event.returnValue = valueToMeta(event.sender, process.mainModule.require(module))
event.returnValue
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
event.returnValue
}
});
})
ipcMain.on('ATOM_BROWSER_GET_BUILTIN', function(event, module) {
ipcMain.on('ATOM_BROWSER_GET_BUILTIN', function (event, module) {
try {
return event.returnValue = valueToMeta(event.sender, electron[module]);
event.returnValue = valueToMeta(event.sender, electron[module])
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_GLOBAL', function(event, name) {
ipcMain.on('ATOM_BROWSER_GLOBAL', function (event, name) {
try {
return event.returnValue = valueToMeta(event.sender, global[name]);
event.returnValue = valueToMeta(event.sender, global[name])
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_CURRENT_WINDOW', function(event) {
ipcMain.on('ATOM_BROWSER_CURRENT_WINDOW', function (event) {
try {
return event.returnValue = valueToMeta(event.sender, event.sender.getOwnerBrowserWindow());
event.returnValue = valueToMeta(event.sender, event.sender.getOwnerBrowserWindow())
} catch (error) {
return event.returnValue = exceptionToMeta(error);
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_CURRENT_WEB_CONTENTS', function (event) {
event.returnValue = valueToMeta(event.sender, event.sender)
})
ipcMain.on('ATOM_BROWSER_CONSTRUCTOR', function(event, id, args) {
ipcMain.on('ATOM_BROWSER_CONSTRUCTOR', function (event, id, args) {
try {
args = unwrapArgs(event.sender, args);
let constructor = objectsRegistry.get(id);
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);
let obj = new Function.prototype.bind.apply(constructor, [null].concat(args))
event.returnValue = valueToMeta(event.sender, obj)
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_FUNCTION_CALL', function(event, id, args) {
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);
args = unwrapArgs(event.sender, args)
let func = objectsRegistry.get(id)
return callFunction(event, func, global, args)
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_MEMBER_CONSTRUCTOR', function(event, id, method, args) {
ipcMain.on('ATOM_BROWSER_MEMBER_CONSTRUCTOR', function (event, id, method, args) {
try {
args = unwrapArgs(event.sender, args);
let constructor = objectsRegistry.get(id)[method];
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);
let obj = new Function.prototype.bind.apply(constructor, [null].concat(args))
event.returnValue = valueToMeta(event.sender, obj)
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_MEMBER_CALL', function(event, id, method, args) {
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);
args = unwrapArgs(event.sender, args)
let obj = objectsRegistry.get(id)
return callFunction(event, obj[method], obj, args)
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_MEMBER_SET', function(event, id, name, value) {
ipcMain.on('ATOM_BROWSER_MEMBER_SET', function (event, id, name, value) {
try {
let obj = objectsRegistry.get(id);
obj[name] = value;
return event.returnValue = null;
let obj = objectsRegistry.get(id)
obj[name] = value
event.returnValue = null
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_MEMBER_GET', function(event, id, name) {
ipcMain.on('ATOM_BROWSER_MEMBER_GET', function (event, id, name) {
try {
let obj = objectsRegistry.get(id);
return event.returnValue = valueToMeta(event.sender, obj[name]);
let obj = objectsRegistry.get(id)
event.returnValue = valueToMeta(event.sender, obj[name])
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_DEREFERENCE', function(event, id) {
return objectsRegistry.remove(event.sender.getId(), id);
});
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) {
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));
let guestViewManager = require('./guest-view-manager')
event.returnValue = valueToMeta(event.sender, guestViewManager.getGuest(guestInstanceId))
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})
ipcMain.on('ATOM_BROWSER_ASYNC_CALL_TO_GUEST_VIEW', function(event, requestId, guestInstanceId, method, ...args) {
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);
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);
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);
guest[method].apply(guest, args)
} catch (error) {
return event.returnValue = exceptionToMeta(error);
event.returnValue = exceptionToMeta(error)
}
});
})