Method makeBrowser

src/main/java/fieldcef/browser/CefSystem.kt:44–123

 */
class CefSystem protected constructor() {
    private val cefApp: CefApp
    private val client: CefClient
    private val router: CefMessageRouter

    fun interface PaintCallback {
        fun onPaint(popup: Boolean, dirtyRects: Array<Rectangle>?, buffer: ByteBuffer?, width: Int, height: Int)
    }

    fun interface MessageCallback {
        fun message(id: Long, message: String?, answer: Consumer<String?>?)
    }

    var callbacks: MutableMap<CefBrowser, MessageCallback> = MapMaker().weakKeys().makeMap()
    var completionCallbacks: MutableMap<CefBrowser, Runnable> = MapMaker().weakKeys().makeMap()
    fun makeBrowser(
        w: Int,
        h: Int,
        callback: PaintCallback,
        message: MessageCallback,
        completionCallback: Runnable
    ): CefBrowserOsrWithHandler {
//		CefRenderer cefRenderer = new CefRenderer(false) {
//
//
//			@Override
//			public void onPaint(boolean popup, Rectangle[] dirtyRects, ByteBuffer buffer, int width, int height) {
//				callback.onPaint(popup, dirtyRects, buffer, width, height);
//			}
//		};
//		CefRendererBrowserBuffer browser  = (CefRendererBrowserBuffer) CefBrowserFactory.create(client, null, CefRendering.BYTEBUFFER, false, null, w, h, cefRenderer);
        val r = Rectangle(0, 0, w, h)
        val browser = CefBrowserOsrWithHandler(
            client,
            null,
            CefRequestContext.getGlobalContext(),
            object : CefRenderHandlerAdapter() {
                override fun getViewRect(browser: CefBrowser): Rectangle {
//                    println(" ** getViewRect $browser ** ")
                    //				return super.getViewRect(browser);
                    return r
                }

                override fun getScreenPoint(browser: CefBrowser, viewPoint: Point): Point {
//                    println(" ** getScreenPoint $browser $viewPoint ** ")
                    return super.getScreenPoint(browser, viewPoint)
                }

                override fun getDeviceScaleFactor(browser: CefBrowser): Double {
                    println(" ** getDeviceScaleFactor ** ")
                    return 1.0
                }

                override fun onPopupShow(browser: CefBrowser, show: Boolean) {
                    println(" ** onPopupShow ** ")
                    super.onPopupShow(browser, show)
                }

                override fun onPopupSize(browser: CefBrowser, size: Rectangle) {