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To display content in the Web Browser Display, topology nodes can be extended with optional URLs. In the following example, a SA test application (FEWS-Swiss was used) to show the potential variety.

An optional The <mainPanel> element has been added in this example is not necessary to give the browser window the focus if it was hidden by some other content window because the <url> element automatically gets the focus regardless of the <mainPanel> element being present. In the following example, both node1 and node2 will give the focus to the browser window.

<nodes id="Web" name="Web">
		<node id="node1" name="FOEN Swiss">
			<mainPanel>web browser display</mainPanel>
			<url>https://www.bafu.admin.ch/bafu/en/home.html</url>
		</node>
		<node id="node2" name="Meteo Swiss">
			<mainPanel>web browser display</mainPanel>
			<url>https://www.meteoswiss.admin.ch/home.html?tab=overview</url>
		</node>
		<node id="node3" name="Energy SFOE Swiss">
			<mainPanel>web browser display</mainPanel>
			<url>https://www.bfe.admin.ch/themen/00490/00491/00494/index.html?lang=en</url>
		</node>
		<node id="node4" name="YouTube (to test movies)">
			<mainPanel>web browser display</mainPanel>
			<url>https://www.youtube.com/</url>
		</node>	
		<node id="node5" name="Deltares">
			<mainPanel>web browser display</mainPanel>
			<url>https://www.deltares.nl/en/</url>
		</node>
		<node id="node6" name="Rijksoverheid (to test certificates) and redirect to https">
			<mainPanel>web browser display</mainPanel>
			<url>https://www.rijksoverheid.nl/</url>
		</node>
		<node id="node7" name="local html">
			<mainPanel>web browser display</mainPanel>
			<url>file:///PATH_TO_LOCAL_FILE.html</url>
		</node>		
	</nodes>

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• copy the URL in the address bar and try to open this in a stand-alone Chrome browser
• go to the FEWS temp/session folder and investigate the cef.log file, which contains detailed logging information from the Chromium embedded web browser.the cef.log file, which contains detailed logging information from the Chromium embedded web browser.
• The Web Browser can not be used anymore for viewing pdf files. This was possible in older versions of JCEF, not supported anymore in recent version.

On Linux, some distributions may require that you install specific dependencies for your system, most of this will be provided when you install the chromium standalone browser, for RedHat 8 compatible systems use:

• sudo dnf install epel-release-latest-8.noarch

• sudo dnf install chromium

• sudo dnf install dbus-x11

Developer Tools (debugging)

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For FEWS branches older than 2020.01 you need the most recent FEWS patch to be able to use this package. The JCEF package is tested by Deltares on Windows 10 and CentOS7CentOS8 / RHEL8, it is expected to work on more recent operating system versions.