inner class WebAppInterface {
        @JavascriptInterface
        fun resize(height: Float) {
            val webViewHeight = (height * resources.displayMetrics.density)
            activity?.runOnUiThread {
                val viewGroup = webViewNotification.layoutParams
                viewGroup.height = webViewHeight.toInt()
                webViewNotification.layoutParams = viewGroup
            }
        }
    }

    class WebClient : WebViewClient() {
        private val URL = "javascript:AndroidFunction.resize(document.body.scrollHeight)"
        override fun onPageFinished(view: WebView?, url: String?) {
            view?.loadUrl(URL)
        }
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        webViewNotification.settings.javaScriptEnabled = true
        webViewNotification.addJavascriptInterface(WebAppInterface(), "AndroidFunction")
        webViewNotification.webViewClient = WebClient()
        refreshLayout.setOnRefreshListener {
            mViewModel.loadInbox()
        }
        mViewModel.loaded.observe(viewLifecycleOwner, Observer {
            webViewNotification.loadDataWithBaseURL(
                it.basePath,
                it.code,
                "text/html", "UTF-8", null
            )
            (activity as MainActivity).removeBadge()
        })
        mViewModel.progress.observe(viewLifecycleOwner, Observer { progress ->
            refreshLayout.isRefreshing = progress
        })
    }