private void OnPaneContentsChanging(bool hasPages)
{
RemoveThumbnailListeners();
// This check avoids a javascript error where "'stopListeningForSave' is not a function."
if (hasPages)
{
// We get confusing Javascript errors if the websocket made for the previous version of this page
// is still listening after the browser has navigated away to a new version of the page.
// This used to be part of RemoveThumbnailListeners(), but that function is used elsewhere such that
// we lost the Saving... toast functionality.
_browser.RunJavaScript("if (typeof FrameExports !== 'undefined') {FrameExports.stopListeningForSave();}");
}
}
private void RemoveThumbnailListeners()
{
_browser.RemoveMessageEventListener("gridClick");
_browser.RemoveMessageEventListener("gridReordered");
_browser.RemoveMessageEventListener("menuClicked");
// We get confusing Javascript errors if the websocket made for the previous version of this page
// is still listening after the browser has navigated away to a new version of the page.
_browser.RunJavaScript("if (typeof FrameExports !== 'undefined') {FrameExports.stopListeningForSave();}");
}