mirrors/electron
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages 1 Wiki Activity Actions 1

refactor: simplify events (#37099)

Browse source
This commit is contained in:
Jeremy Rose 2023-02-13 13:39:18 -08:00 • committed by GitHub
parent 8b3e498436
commit 71944f2c3b
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
32 changed files with 290 additions and 409 deletions
Download patch file Download diff file Expand all files Collapse all files

47
lib/browser/api/web-contents.ts
View file

@ -524,7 +524,8 @@ const addReplyToEvent = (event: Electron.IpcMainEvent) => {
};
};
const addSenderFrameToEvent = (event: Electron.IpcMainEvent | Electron.IpcMainInvokeEvent) => {
const addSenderToEvent = (event: Electron.IpcMainEvent | Electron.IpcMainInvokeEvent, sender: Electron.WebContents) => {
event.sender = sender;
const { processId, frameId } = event;
Object.defineProperty(event, 'senderFrame', {
get: () => webFrameMain.fromId(processId, frameId)
@ -533,7 +534,7 @@ const addSenderFrameToEvent = (event: Electron.IpcMainEvent | Electron.IpcMainIn
const addReturnValueToEvent = (event: Electron.IpcMainEvent) => {
Object.defineProperty(event, 'returnValue', {
set: (value) => event.sendReply(value),
set: (value) => event._replyChannel.sendReply(value),
get: () => {}
});
};
@ -574,7 +575,7 @@ WebContents.prototype._init = function () {
// Dispatch IPC messages to the ipc module.
this.on('-ipc-message' as any, function (this: Electron.WebContents, event: Electron.IpcMainEvent, internal: boolean, channel: string, args: any[]) {
addSenderFrameToEvent(event);
addSenderToEvent(event, this);
if (internal) {
ipcMainInternal.emit(channel, event, ...args);
} else {
@ -587,25 +588,30 @@ WebContents.prototype._init = function () {
}
});
this.on('-ipc-invoke' as any, function (event: Electron.IpcMainInvokeEvent, internal: boolean, channel: string, args: any[]) {
addSenderFrameToEvent(event);
event._reply = (result: any) => event.sendReply({ result });
event._throw = (error: Error) => {
this.on('-ipc-invoke' as any, async function (this: Electron.WebContents, event: Electron.IpcMainInvokeEvent, internal: boolean, channel: string, args: any[]) {
addSenderToEvent(event, this);
const replyWithResult = (result: any) => event._replyChannel.sendReply({ result });
const replyWithError = (error: Error) => {
console.error(`Error occurred in handler for '${channel}':`, error);
event.sendReply({ error: error.toString() });
event._replyChannel.sendReply({ error: error.toString() });
};
const maybeWebFrame = getWebFrameForEvent(event);
const targets: (ElectronInternal.IpcMainInternal| undefined)[] = internal ? [ipcMainInternal] : [maybeWebFrame?.ipc, ipc, ipcMain];
const target = targets.find(target => target && (target as any)._invokeHandlers.has(channel));
if (target) {
(target as any)._invokeHandlers.get(channel)(event, ...args);
const handler = (target as any)._invokeHandlers.get(channel);
try {
replyWithResult(await Promise.resolve(handler(event, ...args)));
} catch (err) {
replyWithError(err as Error);
}
} else {
event._throw(`No handler registered for '${channel}'`);
replyWithError(new Error(`No handler registered for '${channel}'`));
}
});
this.on('-ipc-message-sync' as any, function (this: Electron.WebContents, event: Electron.IpcMainEvent, internal: boolean, channel: string, args: any[]) {
addSenderFrameToEvent(event);
addSenderToEvent(event, this);
addReturnValueToEvent(event);
if (internal) {
ipcMainInternal.emit(channel, event, ...args);
@ -622,8 +628,8 @@ WebContents.prototype._init = function () {
}
});
this.on('-ipc-ports' as any, function (event: Electron.IpcMainEvent, internal: boolean, channel: string, message: any, ports: any[]) {
addSenderFrameToEvent(event);
this.on('-ipc-ports' as any, function (this: Electron.WebContents, event: Electron.IpcMainEvent, internal: boolean, channel: string, message: any, ports: any[]) {
addSenderToEvent(event, this);
event.ports = ports.map(p => new MessagePortMain(p));
const maybeWebFrame = getWebFrameForEvent(event);
maybeWebFrame && maybeWebFrame.ipc.emit(channel, event, message);
@ -651,7 +657,7 @@ WebContents.prototype._init = function () {
if (this.getType() !== 'remote') {
// Make new windows requested by links behave like "window.open".
this.on('-new-window' as any, (event: ElectronInternal.Event, url: string, frameName: string, disposition: Electron.HandlerDetails['disposition'],
this.on('-new-window' as any, (event: Electron.Event, url: string, frameName: string, disposition: Electron.HandlerDetails['disposition'],
rawFeatures: string, referrer: Electron.Referrer, postData: PostData) => {
const postBody = postData ? {
data: postData,
@ -677,7 +683,7 @@ WebContents.prototype._init = function () {
const options = result.browserWindowConstructorOptions;
if (!event.defaultPrevented) {
openGuestWindow({
embedder: event.sender,
embedder: this,
disposition,
referrer,
postData,
@ -690,7 +696,7 @@ WebContents.prototype._init = function () {
let windowOpenOverriddenOptions: BrowserWindowConstructorOptions | null = null;
let windowOpenOutlivesOpenerOption: boolean = false;
this.on('-will-add-new-contents' as any, (event: ElectronInternal.Event, url: string, frameName: string, rawFeatures: string, disposition: Electron.HandlerDetails['disposition'], referrer: Electron.Referrer, postData: PostData) => {
this.on('-will-add-new-contents' as any, (event: Electron.Event, url: string, frameName: string, rawFeatures: string, disposition: Electron.HandlerDetails['disposition'], referrer: Electron.Referrer, postData: PostData) => {
const postBody = postData ? {
data: postData,
...parseContentTypeFormat(postData)
@ -725,7 +731,7 @@ WebContents.prototype._init = function () {
} : undefined;
const { webPreferences: parsedWebPreferences } = parseFeatures(rawFeatures);
const webPreferences = makeWebPreferences({
embedder: event.sender,
embedder: this,
insecureParsedWebPreferences: parsedWebPreferences,
secureOverrideWebPreferences
});
@ -738,7 +744,7 @@ WebContents.prototype._init = function () {
});
// Create a new browser window for "window.open"
this.on('-add-new-contents' as any, (event: ElectronInternal.Event, webContents: Electron.WebContents, disposition: string,
this.on('-add-new-contents' as any, (event: Electron.Event, webContents: Electron.WebContents, disposition: string,
_userGesture: boolean, _left: number, _top: number, _width: number, _height: number, url: string, frameName: string,
referrer: Electron.Referrer, rawFeatures: string, postData: PostData) => {
const overriddenOptions = windowOpenOverriddenOptions || undefined;
@ -754,7 +760,7 @@ WebContents.prototype._init = function () {
}
openGuestWindow({
embedder: event.sender,
embedder: this,
guest: webContents,
overrideBrowserWindowOptions: overriddenOptions,
disposition,
@ -791,8 +797,7 @@ WebContents.prototype._init = function () {
}
});
const event = process._linkedBinding('electron_browser_event').createEmpty();
app.emit('web-contents-created', event, this);
app.emit('web-contents-created', { sender: this, preventDefault () {}, get defaultPrevented () { return false; } }, this);
// Properties