private void Browser_FrameLoadStart(object sender, FrameLoadStartEventArgs e)
{
if (!e.Frame.IsMain)
{
return;
}
lastUrl = e.Url;
if (_api != null)
{
var initScript = @"(async () => {
await CefSharp.BindObjectAsync('OverlayPluginApi');
OverlayPluginApi.overlayName = " + JsonConvert.SerializeObject(this.overlayName) + @";
OverlayPluginApi.overlayUuid = " + JsonConvert.SerializeObject(this.overlayUuid) + @";
OverlayPluginApi.ready = true;
})();";
e.Frame.ExecuteJavaScriptAsync(initScript, "init");
}
foreach (var item in this.scriptQueue)
{
e.Frame.ExecuteJavaScriptAsync(item, "injectOnLoad");
}
this.scriptQueue.Clear();
try
{
BrowserStartLoading?.Invoke(this, new BrowserLoadEventArgs(0, e.Url));
} catch (Exception ex)
{
BrowserConsoleLog?.Invoke(this, new BrowserConsoleLogEventArgs(ex.ToString(), "", 1));
}
}
public async void ClearCache()
{
try
{
if (_browser == null)
{
return;
}
// Find the first / after https://
var slashAfterHost = lastUrl.IndexOf("/", 9);
// If we can't build an origin, there's nothing we can do.
if (slashAfterHost < 0)
{
return;
}
var origin = lastUrl.Substring(0, slashAfterHost);
var dtc = DevToolsExtensions.GetDevToolsClient(_browser);
var result = await dtc.Storage.ClearDataForOriginAsync(origin, "appcache,cookies,file_systems,cache_storage");
BrowserConsoleLog?.Invoke(null, new BrowserConsoleLogEventArgs(result.Success ? result.ResponseAsJsonString : "fail", "", 0));
// Reload the overlay to refill the cache and replace that potentially corrupted resources.
Reload();
}
catch (Exception ex)
{
BrowserConsoleLog?.Invoke(null, new BrowserConsoleLogEventArgs($"Failed to clear cache: {ex}", "", 0));
}
}
public void Browser_ConsoleMessage(object sender, ConsoleMessageEventArgs e)
{
// Ignore FLoC exception errors. CEF doesn't include FLoC code which means that it doesn't understand
// the FLoC exception rule. However, since it can't use FLoC to begin with, that's not an issue either way.
if (!e.Message.StartsWith("Error with Permissions-Policy header:"))
{
BrowserConsoleLog?.Invoke(sender, new BrowserConsoleLogEventArgs(e.Message, e.Source, e.Line));
}
}
private void Browser_LoadError(object sender, LoadErrorEventArgs e)
{
try
{
BrowserError?.Invoke(sender, new BrowserErrorEventArgs(e.ErrorCode, e.ErrorText, e.FailedUrl));
} catch (Exception ex)
{
BrowserConsoleLog?.Invoke(this, new BrowserConsoleLogEventArgs(ex.ToString(), "", 1));
}
}
private void Browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e)
{
if (urlToLoad != null)
{
_browser.Load(urlToLoad);
urlToLoad = null;
}
try
{
BrowserLoad?.Invoke(sender, new BrowserLoadEventArgs(e.HttpStatusCode, e.Url));
} catch (Exception ex)
{
BrowserConsoleLog?.Invoke(this, new BrowserConsoleLogEventArgs(ex.ToString(), "", 1));
}
}
public async void ClearCache()
{
try
{
if (_browser == null || !_isRendering)
{
return;
}
var dtc = DevToolsExtensions.GetDevToolsClient(_browser);
var result = await dtc.Network.ClearBrowserCacheAsync();
BrowserConsoleLog?.Invoke(null, new BrowserConsoleLogEventArgs(result.Success ? result.ResponseAsJsonString : "fail", "", 0));
// Restart the broswer to avoid memory cache, and refill the cache and replace that potentially corrupted resources.
BeginRender();
}
catch (Exception ex)
{
BrowserConsoleLog?.Invoke(null, new BrowserConsoleLogEventArgs($"Failed to clear cache: {ex}", "", 0));
}
}
internal void OnConsoleLog(CefBrowser browser, string message, string source, int line)
{
BrowserConsoleLog?.Invoke(this, new BrowserConsoleLogEventArgs(message, source, line));
}
public void Browser_ConsoleMessage(object sender, ConsoleMessageEventArgs e)
{
BrowserConsoleLog?.Invoke(sender, new BrowserConsoleLogEventArgs(e.Message, e.Source, e.Line));
}
public void Browser_ConsoleMessage(object sender, BrowserConsoleLogEventArgs e)
{
BrowserConsoleLog?.Invoke(sender, e);
}
