mirror of https://github.com/gchq/CyberChef.git
64 lines
1.7 KiB
JavaScript
Executable File
64 lines
1.7 KiB
JavaScript
Executable File
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import { debounce } from "../../core/Utils.mjs";
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/**
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* Waiter to handle events related to the window object.
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*/
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class WindowWaiter {
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/**
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* WindowWaiter constructor.
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*
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* @param {App} app - The main view object for CyberChef.
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*/
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constructor(app) {
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this.app = app;
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}
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/**
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* Handler for window resize events.
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* Resets the layout of CyberChef's panes after 200ms (so that continuous resizing doesn't cause
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* continuous resetting).
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*/
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windowResize() {
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debounce(this.app.resetLayout, 200, "windowResize", this.app, [])();
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}
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/**
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* Handler for window blur events.
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* Saves the current time so that we can calculate how long the window was unfocused for when
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* focus is returned.
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*/
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windowBlur() {
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this.windowBlurTime = new Date().getTime();
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}
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/**
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* Handler for window focus events.
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*
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* When a browser tab is unfocused and the browser has to run lots of dynamic content in other
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* tabs, it swaps out the memory for that tab.
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* If the CyberChef tab has been unfocused for more than a minute, we run a silent bake which will
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* force the browser to load and cache all the relevant JavaScript code needed to do a real bake.
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* This will stop baking taking a long time when the CyberChef browser tab has been unfocused for
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* a long time and the browser has swapped out all its memory.
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*/
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windowFocus() {
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const unfocusedTime = new Date().getTime() - this.windowBlurTime;
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if (unfocusedTime > 60000) {
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this.app.silentBake();
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}
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}
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}
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export default WindowWaiter;
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