public static void Shutdown(string reason)
{
SendOrPostCallback cb = s =>
{
if (Interlocked.Exchange(ref _cefInitialized, 0) == 1)
{
Logger.Info("CEF will shut down because {0}", reason);
var browsers = new List <ICefWebBrowser>(Browsers);
Logger.Info("Closing all open browsers.");
foreach (var browser in browsers)
{
try
{
browser.Dispose();
}
catch (Exception ex)
{
Logger.Error("Failed to close browser", ex);
}
}
Browsers.Clear();
Logger.Info("Shutting down CEF.");
_cefApp = null;
CefRuntime.Shutdown();
}
};
var currentThreadId = Thread.CurrentThread.ManagedThreadId;
if (currentThreadId != _initThread)
{
MainThreadContext.Send(cb, null);
}
else
{
cb(null);
}
}
public static void Initialize(string cachePath = null,
string paragonPath = null,
string browserLanguage = null,
string authserverlist = null,
string authdelgatelist = null,
bool disableSpellChecking = false,
bool ignoreCertificateErrors = false,
bool persistSessionCookies = false)
{
if (IsInitialized)
{
Logger.Debug("CEF initialization aborted because it is already initialized .");
return;
}
using (AutoStopwatch.TimeIt("Initializing runtime"))
{
if (Interlocked.CompareExchange(ref _cefInitializing, 1, 0) == 1)
{
Logger.Debug("CEF initialization aborted because initialization is in progress");
return;
}
Logger.Debug("CEF is initializing");
MainThreadContext = SynchronizationContext.Current;
try
{
var logPath = "cef.log";
_initThread = Thread.CurrentThread.ManagedThreadId;
if (!string.IsNullOrEmpty(cachePath))
{
logPath = Path.Combine(cachePath, logPath);
cachePath = Path.Combine(cachePath, "cache");
}
var rendererPath = paragonPath ?? Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "paragon.renderer.exe");
if (!File.Exists(rendererPath))
{
rendererPath = Path.Combine(Environment.CurrentDirectory, "paragon.renderer.exe");
}
if (!File.Exists(rendererPath))
{
throw new CefRuntimeException("Unable to determine the path to paragon.renderer.exe");
}
var binPath = Path.GetDirectoryName(rendererPath);
if (!File.Exists(Path.Combine(binPath, "libcef.dll")))
{
throw new CefRuntimeException("Unable to determine the path to libcef.dll");
}
var settings = new CefSettings
{
SingleProcess = false,
MultiThreadedMessageLoop = true,
IgnoreCertificateErrors = ignoreCertificateErrors,
LogSeverity = CefLogSeverity.Default,
LogFile = logPath,
BrowserSubprocessPath = rendererPath,
Locale = browserLanguage,
CachePath = cachePath,
PersistSessionCookies = persistSessionCookies,
AuthServerWhitelist = authserverlist,
AuthDelegateWhitelist = authdelgatelist,
ProductVersion = string.Format("Paragon/{0} Chrome/{1}", Assembly.GetExecutingAssembly().GetName().Version, CefRuntime.ChromeVersion)
};
var argArray = Environment.GetCommandLineArgs();
List <string> appArgs = new List <string>();
appArgs.Add("--process-per-tab");
// Pass through Kerberos and proxy parameters.
for (int i = 0; i < argArray.Length; i++)
{
string a = argArray[i];
if (a.StartsWith("--enable-logging") ||
a.StartsWith("--v=") ||
a.Contains("proxy"))
{
appArgs.Add(a);
}
}
var argString = string.Join(",", appArgs.ToArray());
Logger.Info("Passing Args to CefApp: " + argString);
var args = new CefMainArgs(appArgs.ToArray());
_cefApp = new CefBrowserApplication(disableSpellChecking, browserLanguage);
_cefApp.RenderProcessInitialize += OnRenderProcessInitialize;
if (BeforeCefInitialize != null)
{
var ea = new CefInitializationEventArgs();
BeforeCefInitialize(null, ea);
settings.LogFile = ea.LogFile;
settings.LogSeverity = ea.LogSeverity;
if (ea.RemoteDebuggingPort > 0)
{
settings.RemoteDebuggingPort = ea.RemoteDebuggingPort;
}
}
CefRuntime.Load();
var result = CefRuntime.ExecuteProcess(args, _cefApp, IntPtr.Zero);
if (result == -1)
{
CefRuntime.Initialize(args, settings, _cefApp, IntPtr.Zero);
Interlocked.Exchange(ref _cefInitialized, 1);
Logger.Info("CEF initialized successfully");
}
else
{
throw new CefRuntimeException("CEF initialization failed - CefRuntime.ExecuteProcess return code: " + result);
}
}
catch (CefRuntimeException)
{
throw;
}
catch (Exception e)
{
Logger.Error("Error initializing CEF: " + e);
throw;
}
finally
{
Interlocked.Exchange(ref _cefInitializing, 0);
if (!IsInitialized && _cefApp != null)
{
_cefApp = null;
}
}
}
}
