hadron-ipc v3.2.14
hadron-ipc 
Simplified wrapper around Electron's IPC events.
Usage
process.env.DEBUG = 'hadron-*';
const ipc = require('hadron-ipc');
const AppRegistry = require('hadron-app-registry');
const globalAppRegistry = new AppRegistry();
// called from a renderer process:
ipc.call('compass:loading:change-status', { status: 'loading preferences' });
// responded to in the main process:
ipc.respondTo('app:loading:change-status', (evt, meta) => {
// main process then broadcasts to its renderer processes:
ipc.broadcast('app:loading:change-status', meta);
});
// renderer process deals with information when received
ipc.on('app:loading:change-status', (evt, meta) => {
globalAppRegistry.emit('app:loading:change-status', meta);
});API - from Main Process
Communication from the main process to a renderer process.
ipc.respondTo(methodName, handler)
Respond to an event sent from a renderer process. handler keeps track of
BrowserWindow instance and any of the args.
const ipc = require('hadron-ipc');
const onFindInPage = (sender, searchTerm, opt) => {
if (!_window) return;
opt = opt || {};
_window.webContents.findInPage(searchTerm, opt);
};
ipc.respondTo('app:find-in-page', onFindInPage);You can also use broadcast as part of the response:
const ipc = require('hadron-ipc');
ipc.respondTo('app:loading:change-status', (evt, meta) => {
ipc.broadcast('app:loading:change-status', meta);
});ipc.broadcast(methodName, ...args)
Broadcast an event to renderer process(es).
For example, here is a broadcast from a Menu Item:
const ipc = require('hadron-ipc');
function viewSubMenu() {
return {
label: '&View',
{
label: '&Reload Data',
accelerator: 'CmdOrCtrl+R',
click: function() {
ipc.broadcast('app:refresh-data'); // renderer processes will be
listening to this event
}
}
]
};
}ipc.broadcastFocused(methodName, ...args)
Broadcast to renderer process(es) only if the current window is focused.
ipc.broadcastFocused('app:disconnect'); ipc.remove(channel, listener)
Remove a listener from the main process' ipc.
const ipc = require('hadron-ipc');
const onFindInPage = (sender, searchTerm, opt) => {
if (!_window) return;
opt = opt || {};
_window.webContents.findInPage(searchTerm, opt);
};
ipc.remove('app:stop-find-in-page', onStopFindInPage); API - from Renderer process
Communication from a renderer proces to the main process. All of the
ipcRenderer events are kept as
is, ipc.call is added as an additional method.
ipc.call(methodName, ...args)
Call the main process under the provided methodName. Under the hood args
are serialised as JSON.
const ipc = require('hadron-ipc');
const args = {
query: {
filter: {},
project: { field: 1 }
}
};
ipc.call('app:open-export', args, (res) = {
console.log('callback from renderer process', res)
});ipc.on(methodName, handler)
From Electron's ipcRenderer API. Useful for when replying to Main process'
ipc.broadcast events.
const ipc = require('hadron-ipc');
const app = require('hadron-app')
global.hadronApp = app;
ipc.on('app:refresh-data', () => global.hadronApp.appRegistry.emit('refresh-data'));Install
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