Class WindowManager

WindowManager.js:1–149

class WindowManager 
{
	#windows;
	#count;
	#id;
	#winData;
	#winShapeChangeCallback;
	#winChangeCallback;
	
	constructor ()
	{
		let that = this;

		// event listener for when localStorage is changed from another window
		addEventListener("storage", (event) => 
		{
			if (event.key == "windows")
			{
				let newWindows = JSON.parse(event.newValue);
				let winChange = that.#didWindowsChange(that.#windows, newWindows);

				that.#windows = newWindows;

				if (winChange)
				{
					if (that.#winChangeCallback) that.#winChangeCallback();
				}
			}
		});

		// event listener for when current window is about to ble closed
		window.addEventListener('beforeunload', function (e) 
		{
			let index = that.getWindowIndexFromId(that.#id);

			//remove this window from the list and update local storage
			that.#windows.splice(index, 1);
			that.updateWindowsLocalStorage();
		});
	}

	// check if theres any changes to the window list
	#didWindowsChange (pWins, nWins)
	{
		if (pWins.length != nWins.length)
		{
			return true;
		}
		else
		{
			let c = false;

			for (let i = 0; i < pWins.length; i++)
			{
				if (pWins[i].id != nWins[i].id) c = true;
			}

			return c;
		}
	}