/// <summary>
/// Initialize cef with the provided settings.
/// </summary>
/// <param name="performDependencyCheck"></param>
/// <param name="browserProcessHandler"></param>
/// <param name="settingsAction"></param>
public static bool InitializeCef(bool performDependencyCheck, IBrowserProcessHandler browserProcessHandler, Action <CefSettings> settingsAction = null)
{
if (Cef.IsInitialized)
{
return(true);
}
var settings = new CefSettings();
settingsAction?.Invoke(settings);
return(Cef.Initialize(settings, performDependencyCheck, browserProcessHandler));
}
public static void InitCEF(AbstractCefSettings settings, IBrowserProcessHandler browserProcessHandler)
{
settings.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36";
settings.CefCommandLineArgs.Add("no-proxy-server", "1");
settings.CefCommandLineArgs.Add("disable-extensions", "1");
settings.CefCommandLineArgs.Add("disable-pdf-extension", "1");
settings.CefCommandLineArgs.Add("disable-gpu-vsync", "1");
CefSharpSettings.SubprocessExitIfParentProcessClosed = true;
Cef.EnableHighDPISupport();
if (!Cef.Initialize(settings, performDependencyCheck: true, browserProcessHandler: browserProcessHandler))
{
throw new Exception("Unable to Initialize Cef");
}
}
public static int Main(string[] args)
{
//if (!File.Exists("url.txt") || !File.Exists("proxy.txt"))
//{
// MessageBox.Show("Please config files: url.txt, proxy.txt ");
// return 0;
//}
//if (string.IsNullOrWhiteSpace(File.ReadAllText("url.txt")) || string.IsNullOrWhiteSpace(File.ReadAllText("proxy.txt")))
//{
// MessageBox.Show("Please input files: url.txt, proxy.txt. They must not be empty.");
// return 0;
//}
//if (!Directory.Exists(File.ReadAllLines("proxy.txt").Select(x=>x.Trim()).Where(x=>x.Length > 0).ToArray()[0]))
//{
// MessageBox.Show("[proxy.txt] Cannot path: " + File.ReadAllLines("proxy.txt").Select(x => x.Trim()).Where(x => x.Length > 0).ToArray()[0]);
// return 0;
//}
Cef.EnableHighDPISupport();
var browser = new BrowserForm(true);
IBrowserProcessHandler browserProcessHandler = null;
browserProcessHandler = new BrowserProcessHandler();
var settings = new CefSettings();
//settings.MultiThreadedMessageLoop = true;
settings.ExternalMessagePump = false;
//////// http://xxx.com/..
//////string[] a = File.ReadAllText("url.txt").ToLower().Trim().Split('/');
//////settings.RegisterScheme(new CefCustomScheme
//////{
////// SchemeName = a[0].Substring(0, a[0].Length - 1),
////// DomainName = a[2].Split(':')[0],
////// SchemeHandlerFactory = new CefSharpSchemeHandlerFactory()
//////});
CefExample.Init(settings, browserProcessHandler: browserProcessHandler);
Application.Run(browser);
return(0);
}
private static void InitializeCefSharp(IBrowserProcessHandler browserProcessHandler)
{
CefSettings settings;
try
{
settings = new CefSettings();
// Set BrowserSubProcessPath based on app bitness at runtime
settings.BrowserSubprocessPath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, Environment.Is64BitProcess ? "x64" : "x86", "CefSharp.BrowserSubprocess.exe");
Cef.Initialize(settings, performDependencyCheck: true, browserProcessHandler: browserProcessHandler);
}
catch (FileNotFoundException exception)
{
Debug.WriteLine(exception.Message);
}
}
public static void Init(
Action appInitializer,
string distFolder,
Action <CefSettings> settingsBuilder = null,
bool performDependencyCheck = true,
IBrowserProcessHandler browserProcessHandler = null
)
{
_appInitializer = appInitializer;
_distFolder = distFolder;
CefSharpSettings.WcfEnabled = true;
var settings = new CefSettings()
{
//By default CefSharp will use an in-memory cache, you need to specify a Cache Folder to persist data
CachePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "CefSharp\\Cache")
};
settingsBuilder?.Invoke(settings);
//Perform dependency check to make sure all relevant resources are in our output directory.
Cef.Initialize(settings, performDependencyCheck: true, browserProcessHandler: null);
}
public static void Init(AbstractCefSettings settings, IBrowserProcessHandler browserProcessHandler)
{
// Set Google API keys, used for Geolocation requests sans GPS. See http://www.chromium.org/developers/how-tos/api-keys
// Environment.SetEnvironmentVariable("GOOGLE_API_KEY", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_ID", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_SECRET", "");
// Widevine CDM registration - pass in directory where Widevine CDM binaries and manifest.json are located.
// For more information on support for DRM content with Widevine see: https://github.com/cefsharp/CefSharp/issues/1934
//Cef.RegisterWidevineCdm(@".\WidevineCdm");
//Chromium Command Line args
//http://peter.sh/experiments/chromium-command-line-switches/
//NOTE: Not all relevant in relation to `CefSharp`, use for reference purposes only.
//CEF specific command line args
//https://bitbucket.org/chromiumembedded/cef/src/master/libcef/common/cef_switches.cc?fileviewer=file-view-default
//IMPORTANT: For enabled/disabled command line arguments like disable-gpu specifying a value of "0" like
//settings.CefCommandLineArgs.Add("disable-gpu", "0"); will have no effect as the second argument is ignored.
settings.RemoteDebuggingPort = 8088;
//The location where cache data will be stored on disk. If empty an in-memory cache will be used for some features and a temporary disk cache for others.
//HTML5 databases such as localStorage will only persist across sessions if a cache path is specified.
settings.CachePath = "cache";
//settings.UserAgent = "CefSharp Browser" + Cef.CefSharpVersion; // Example User Agent
//settings.CefCommandLineArgs.Add("renderer-process-limit", "1");
//settings.CefCommandLineArgs.Add("renderer-startup-dialog");
//settings.CefCommandLineArgs.Add("enable-media-stream"); //Enable WebRTC
//settings.CefCommandLineArgs.Add("no-proxy-server"); //Don't use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed.
//settings.CefCommandLineArgs.Add("debug-plugin-loading"); //Dumps extra logging about plugin loading to the log file.
//settings.CefCommandLineArgs.Add("disable-plugins-discovery"); //Disable discovering third-party plugins. Effectively loading only ones shipped with the browser plus third-party ones as specified by --extra-plugin-dir and --load-plugin switches
//settings.CefCommandLineArgs.Add("enable-system-flash"); //Automatically discovered and load a system-wide installation of Pepper Flash.
//settings.CefCommandLineArgs.Add("allow-running-insecure-content"); //By default, an https page cannot run JavaScript, CSS or plugins from http URLs. This provides an override to get the old insecure behavior. Only available in 47 and above.
//settings.CefCommandLineArgs.Add("enable-logging"); //Enable Logging for the Renderer process (will open with a cmd prompt and output debug messages - use in conjunction with setting LogSeverity = LogSeverity.Verbose;)
//settings.LogSeverity = LogSeverity.Verbose; // Needed for enable-logging to output messages
//settings.CefCommandLineArgs.Add("disable-extensions"); //Extension support can be disabled
//settings.CefCommandLineArgs.Add("disable-pdf-extension"); //The PDF extension specifically can be disabled
//Load the pepper flash player that comes with Google Chrome - may be possible to load these values from the registry and query the dll for it's version info (Step 2 not strictly required it seems)
//settings.CefCommandLineArgs.Add("ppapi-flash-path", @"C:\Program Files (x86)\Google\Chrome\Application\47.0.2526.106\PepperFlash\pepflashplayer.dll"); //Load a specific pepper flash version (Step 1 of 2)
//settings.CefCommandLineArgs.Add("ppapi-flash-version", "20.0.0.228"); //Load a specific pepper flash version (Step 2 of 2)
//Audo play example
//settings.CefCommandLineArgs["autoplay-policy"] = "no-user-gesture-required";
//NOTE: For OSR best performance you should run with GPU disabled:
// `--disable-gpu --disable-gpu-compositing --enable-begin-frame-scheduling`
// (you'll loose WebGL support but gain increased FPS and reduced CPU usage).
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=13271#p27075
//https://bitbucket.org/chromiumembedded/cef/commits/e3c1d8632eb43c1c2793d71639f3f5695696a5e8
//NOTE: The following function will set all three params
//settings.SetOffScreenRenderingBestPerformanceArgs();
//settings.CefCommandLineArgs.Add("disable-gpu");
//settings.CefCommandLineArgs.Add("disable-gpu-compositing");
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling");
//settings.CefCommandLineArgs.Add("disable-gpu-vsync"); //Disable Vsync
// The following options control accessibility state for all frames.
// These options only take effect if accessibility state is not set by IBrowserHost.SetAccessibilityState call.
// --force-renderer-accessibility enables browser accessibility.
// --disable-renderer-accessibility completely disables browser accessibility.
//settings.CefCommandLineArgs.Add("force-renderer-accessibility");
//settings.CefCommandLineArgs.Add("disable-renderer-accessibility");
//Disable Network Service in WPF
//settings.CefCommandLineArgs.Add("disable-features", "NetworkService,VizDisplayCompositor");
//Disable Network Service in WinForms
//settings.CefCommandLineArgs.Add("disable-features", "NetworkService");
//Enables Uncaught exception handler
settings.UncaughtExceptionStackSize = 10;
// Off Screen rendering (WPF/Offscreen)
if (settings.WindowlessRenderingEnabled)
{
//Disable Direct Composition to test https://github.com/cefsharp/CefSharp/issues/1634
//settings.CefCommandLineArgs.Add("disable-direct-composition");
// DevTools doesn't seem to be working when this is enabled
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=14095
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling");
}
var proxy = ProxyConfig.GetProxyInformation();
switch (proxy.AccessType)
{
case InternetOpenType.Direct:
{
//Don't use a proxy server, always make direct connections.
settings.CefCommandLineArgs.Add("no-proxy-server");
break;
}
case InternetOpenType.Proxy:
{
settings.CefCommandLineArgs.Add("proxy-server", proxy.ProxyAddress);
break;
}
case InternetOpenType.PreConfig:
{
settings.CefCommandLineArgs.Add("proxy-auto-detect");
break;
}
}
//settings.LogSeverity = LogSeverity.Verbose;
if (DebuggingSubProcess)
{
var architecture = Environment.Is64BitProcess ? "x64" : "x86";
settings.BrowserSubprocessPath = "..\\..\\..\\..\\CefSharp.BrowserSubprocess\\bin\\" + architecture + "\\Debug\\CefSharp.BrowserSubprocess.exe";
}
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeName,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
IsSecure = true, //treated with the same security rules as those applied to "https" URLs
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "https",
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
DomainName = "cefsharp.example"
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeNameTest,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
IsSecure = true //treated with the same security rules as those applied to "https" URLs
});
//You can use the http/https schemes - best to register for a specific domain
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "https",
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
DomainName = "cefsharp.com",
IsSecure = true //treated with the same security rules as those applied to "https" URLs
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "localfolder",
SchemeHandlerFactory = new FolderSchemeHandlerFactory(rootFolder: @"..\..\..\..\CefSharp.Example\Resources",
schemeName: "localfolder", //Optional param no schemename checking if null
hostName: "cefsharp", //Optional param no hostname checking if null
defaultPage: "home.html") //Optional param will default to index.html
});
settings.RegisterExtension(new V8Extension("cefsharp/example", Resources.extension));
//This must be set before Cef.Initialized is called
CefSharpSettings.FocusedNodeChangedEnabled = true;
//Async Javascript Binding - methods are queued on TaskScheduler.Default.
//Set this to true to when you have methods that return Task<T>
//CefSharpSettings.ConcurrentTaskExecution = true;
//Legacy Binding Behaviour - Same as Javascript Binding in version 57 and below
//See issue https://github.com/cefsharp/CefSharp/issues/1203 for details
//CefSharpSettings.LegacyJavascriptBindingEnabled = true;
//Exit the subprocess if the parent process happens to close
//This is optional at the moment
//https://github.com/cefsharp/CefSharp/pull/2375/
CefSharpSettings.SubprocessExitIfParentProcessClosed = true;
//NOTE: Set this before any calls to Cef.Initialize to specify a proxy with username and password
//One set this cannot be changed at runtime. If you need to change the proxy at runtime (dynamically) then
//see https://github.com/cefsharp/CefSharp/wiki/General-Usage#proxy-resolution
//CefSharpSettings.Proxy = new ProxyOptions(ip: "127.0.0.1", port: "8080", username: "******", password: "******");
if (!Cef.Initialize(settings, performDependencyCheck: !DebuggingSubProcess, browserProcessHandler: browserProcessHandler))
{
throw new Exception("Unable to Initialize Cef");
}
Cef.AddCrossOriginWhitelistEntry(BaseUrl, "https", "cefsharp.com", false);
}
public DefaultApp(IBrowserProcessHandler browserProcessHandler, IEnumerable <CefCustomScheme> schemes)
{
BrowserProcessHandler = browserProcessHandler;
Schemes = schemes;
}
static void Init(bool multiThreadedMessageLoop, IBrowserProcessHandler browserProcessHandler)
{
CefSharpSettings.ShutdownOnExit = true;
CefSharpSettings.FocusedNodeChangedEnabled = true;
// Set Google API keys, used for Geolocation requests sans GPS. See http://www.chromium.org/developers/how-tos/api-keys
// Environment.SetEnvironmentVariable("GOOGLE_API_KEY", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_ID", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_SECRET", "");
// Widevine CDM registration - pass in directory where Widevine CDM binaries and manifest.json are located.
// For more information on support for DRM content with Widevine see: https://github.com/cefsharp/CefSharp/issues/1934
//Cef.RegisterWidevineCdm(@".\WidevineCdm");
//Chromium Command Line args
//http://peter.sh/experiments/chromium-command-line-switches/
//NOTE: Not all relevant in relation to `CefSharp`, use for reference purposes only.
var settings = new CefSettings();
settings.RemoteDebuggingPort = 8088;
settings.CefCommandLineArgs.Add("transparent-painting-enabled", "1");
//The location where cache data will be stored on disk. If empty an in-memory cache will be used for some features and a temporary disk cache for others.
//HTML5 databases such as localStorage will only persist across sessions if a cache path is specified.
settings.CachePath = CachePath;
//settings.UserAgent = "CefSharp Browser" + Cef.CefSharpVersion; // Example User Agent
//settings.CefCommandLineArgs.Add("renderer-process-limit", "1");
//settings.CefCommandLineArgs.Add("renderer-startup-dialog", "1");
//settings.CefCommandLineArgs.Add("enable-media-stream", "1"); //Enable WebRTC
//settings.CefCommandLineArgs.Add("no-proxy-server", "1"); //Don't use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed.
//settings.CefCommandLineArgs.Add("debug-plugin-loading", "1"); //Dumps extra logging about plugin loading to the log file.
//settings.CefCommandLineArgs.Add("disable-plugins-discovery", "1"); //Disable discovering third-party plugins. Effectively loading only ones shipped with the browser plus third-party ones as specified by --extra-plugin-dir and --load-plugin switches
//settings.CefCommandLineArgs.Add("enable-system-flash", "1"); //Automatically discovered and load a system-wide installation of Pepper Flash.
//settings.CefCommandLineArgs.Add("allow-running-insecure-content", "1"); //By default, an https page cannot run JavaScript, CSS or plugins from http URLs. This provides an override to get the old insecure behavior. Only available in 47 and above.
//settings.CefCommandLineArgs.Add("enable-logging", "1"); //Enable Logging for the Renderer process (will open with a cmd prompt and output debug messages - use in conjunction with setting LogSeverity = LogSeverity.Verbose;)
//settings.LogSeverity = LogSeverity.Verbose; // Needed for enable-logging to output messages
//settings.CefCommandLineArgs.Add("disable-extensions", "1"); //Extension support can be disabled
//settings.CefCommandLineArgs.Add("disable-pdf-extension", "1"); //The PDF extension specifically can be disabled
//NOTE: For OSR best performance you should run with GPU disabled:
// `--disable-gpu --disable-gpu-compositing --enable-begin-frame-scheduling`
// (you'll loose WebGL support but gain increased FPS and reduced CPU usage).
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=13271#p27075
//https://bitbucket.org/chromiumembedded/cef/commits/e3c1d8632eb43c1c2793d71639f3f5695696a5e8
//NOTE: The following function will set all three params
settings.SetOffScreenRenderingBestPerformanceArgs();
//settings.CefCommandLineArgs.Add("disable-gpu", "1");
//settings.CefCommandLineArgs.Add("disable-gpu-compositing", "1");
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
//settings.CefCommandLineArgs.Add("disable-gpu-vsync", "1"); //Disable Vsync
//Disables the DirectWrite font rendering system on windows.
//Possibly useful when experiencing blury fonts.
//settings.CefCommandLineArgs.Add("disable-direct-write", "1");
settings.MultiThreadedMessageLoop = multiThreadedMessageLoop;
settings.ExternalMessagePump = !multiThreadedMessageLoop;
// Off Screen rendering (WPF/Offscreen)
settings.WindowlessRenderingEnabled = true;
//Disable Direct Composition to test https://github.com/cefsharp/CefSharp/issues/1634
//settings.CefCommandLineArgs.Add("disable-direct-composition", "1");
// DevTools doesn't seem to be working when this is enabled
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=14095
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
var proxy = ProxyConfig.GetProxyInformation();
switch (proxy.AccessType)
{
case InternetOpenType.Direct:
{
//Don't use a proxy server, always make direct connections.
settings.CefCommandLineArgs.Add("no-proxy-server", "1");
break;
}
case InternetOpenType.Proxy:
{
settings.CefCommandLineArgs.Add("proxy-server", proxy.ProxyAddress);
break;
}
case InternetOpenType.PreConfig:
{
settings.CefCommandLineArgs.Add("proxy-auto-detect", "1");
break;
}
}
//settings.LogSeverity = LogSeverity.Verbose;
if (DebuggingSubProcess)
{
var architecture = Environment.Is64BitProcess ? "x64" : "x86";
settings.BrowserSubprocessPath = "..\\..\\..\\..\\CefSharp.BrowserSubprocess\\bin\\" + architecture + "\\Debug\\CefSharp.BrowserSubprocess.exe";
}
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = SchemeHandlerFactory.SchemeName,
SchemeHandlerFactory = new SchemeHandlerFactory(),
IsSecure = true //treated with the same security rules as those applied to "https" URLs
});
if (!Cef.Initialize(settings, performDependencyCheck: !DebuggingSubProcess, browserProcessHandler: browserProcessHandler))
{
throw new Exception("Unable to Initialize Cef");
}
Cef.AddCrossOriginWhitelistEntry(BaseUrl, "https", "cefsharp.com", false);
//Experimental option where bound async methods are queued on TaskScheduler.Default.
//CefSharpSettings.ConcurrentTaskExecution = true;
}
/// <summary>
/// Initializes CefSharp with user-provided settings.
/// It's important to note that Initialize/Shutdown <strong>MUST</strong> be called on your main
/// application thread (typically the UI thread). If you call them on different
/// threads, your application will hang. See the documentation for Cef.Shutdown() for more details.
/// </summary>
/// <param name="settings">CefSharp configuration settings.</param>
/// <param name="performDependencyCheck">Check that all relevant dependencies available, throws exception if any are missing</param>
/// <param name="browserProcessHandler">The handler for functionality specific to the browser process. Null if you don't wish to handle these events</param>
/// <returns>true if successful; otherwise, false.</returns>
public static bool Initialize(CefSettingsBase settings, bool performDependencyCheck, IBrowserProcessHandler browserProcessHandler)
{
using (settings.settings)
{
return(Core.Cef.Initialize(settings.settings, performDependencyCheck, browserProcessHandler));
}
}
/// <summary>
/// Initializes CefSharp with user-provided settings. This method allows you to wait for
/// <see cref="IBrowserProcessHandler.OnContextInitialized"/> to be called before continuing.
/// It's important to note that Initialize and Shutdown <strong>MUST</strong> be called on your main
/// application thread (typically the UI thread). If you call them on different
/// threads, your application will hang. See the documentation for Cef.Shutdown() for more details.
/// </summary>
/// <param name="settings">CefSharp configuration settings.</param>
/// <param name="performDependencyCheck">Check that all relevant dependencies available, throws exception if any are missing</param>
/// <param name="browserProcessHandler">The handler for functionality specific to the browser process. Null if you don't wish to handle these events</param>
/// <returns>returns a Task that can be awaited. true if successful; otherwise, false. If false check the log file for possible errors</returns>
/// <remarks>
/// If successful then the Task will be completed successfully when <see cref="IBrowserProcessHandler.OnContextInitialized"/> is called.
/// If successful then the continuation will happen syncrionously on the CEF UI thread.
/// </remarks>
public static Task <bool> InitializeAsync(CefSettingsBase settings, bool performDependencyCheck = true, IBrowserProcessHandler browserProcessHandler = null)
{
using (settings.settings)
{
try
{
//Ignore the result, the Task will be set in Core.Cef.Initialze
Core.Cef.Initialize(settings.settings, performDependencyCheck, browserProcessHandler);
}
catch (Exception ex)
{
GlobalContextInitialized.SetException(ex);
}
}
return(GlobalContextInitialized.Task);
}
public static void Init(bool osr, bool multiThreadedMessageLoop, IBrowserProcessHandler browserProcessHandler)
{
// Set Google API keys, used for Geolocation requests sans GPS. See http://www.chromium.org/developers/how-tos/api-keys
// Environment.SetEnvironmentVariable("GOOGLE_API_KEY", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_ID", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_SECRET", "");
//Chromium Command Line args
//http://peter.sh/experiments/chromium-command-line-switches/
//NOTE: Not all relevant in relation to `CefSharp`, use for reference purposes only.
var settings = new CefSettings();
settings.RemoteDebuggingPort = 8088;
//The location where cache data will be stored on disk. If empty an in-memory cache will be used for some features and a temporary disk cache for others.
//HTML5 databases such as localStorage will only persist across sessions if a cache path is specified.
settings.CachePath = "cache";
//settings.UserAgent = "CefSharp Browser" + Cef.CefSharpVersion; // Example User Agent
//settings.CefCommandLineArgs.Add("renderer-process-limit", "1");
//settings.CefCommandLineArgs.Add("renderer-startup-dialog", "1");
//settings.CefCommandLineArgs.Add("enable-media-stream", "1"); //Enable WebRTC
//settings.CefCommandLineArgs.Add("no-proxy-server", "1"); //Don't use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed.
//settings.CefCommandLineArgs.Add("debug-plugin-loading", "1"); //Dumps extra logging about plugin loading to the log file.
//settings.CefCommandLineArgs.Add("disable-plugins-discovery", "1"); //Disable discovering third-party plugins. Effectively loading only ones shipped with the browser plus third-party ones as specified by --extra-plugin-dir and --load-plugin switches
//settings.CefCommandLineArgs.Add("enable-system-flash", "1"); //Automatically discovered and load a system-wide installation of Pepper Flash.
//settings.CefCommandLineArgs.Add("allow-running-insecure-content", "1"); //By default, an https page cannot run JavaScript, CSS or plugins from http URLs. This provides an override to get the old insecure behavior. Only available in 47 and above.
//settings.CefCommandLineArgs.Add("enable-logging", "1"); //Enable Logging for the Renderer process (will open with a cmd prompt and output debug messages - use in conjunction with setting LogSeverity = LogSeverity.Verbose;)
//settings.LogSeverity = LogSeverity.Verbose; // Needed for enable-logging to output messages
//settings.CefCommandLineArgs.Add("disable-extensions", "1"); //Extension support can be disabled
//settings.CefCommandLineArgs.Add("disable-pdf-extension", "1"); //The PDF extension specifically can be disabled
//Load the pepper flash player that comes with Google Chrome - may be possible to load these values from the registry and query the dll for it's version info (Step 2 not strictly required it seems)
//settings.CefCommandLineArgs.Add("ppapi-flash-path", @"C:\Program Files (x86)\Google\Chrome\Application\47.0.2526.106\PepperFlash\pepflashplayer.dll"); //Load a specific pepper flash version (Step 1 of 2)
//settings.CefCommandLineArgs.Add("ppapi-flash-version", "20.0.0.228"); //Load a specific pepper flash version (Step 2 of 2)
//NOTE: For OSR best performance you should run with GPU disabled:
// `--disable-gpu --disable-gpu-compositing --enable-begin-frame-scheduling`
// (you'll loose WebGL support but gain increased FPS and reduced CPU usage).
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=13271#p27075
//https://bitbucket.org/chromiumembedded/cef/commits/e3c1d8632eb43c1c2793d71639f3f5695696a5e8
//NOTE: The following function will set all three params
//settings.SetOffScreenRenderingBestPerformanceArgs();
//settings.CefCommandLineArgs.Add("disable-gpu", "1");
//settings.CefCommandLineArgs.Add("disable-gpu-compositing", "1");
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
//settings.CefCommandLineArgs.Add("disable-gpu-vsync", "1"); //Disable Vsync
//Disables the DirectWrite font rendering system on windows.
//Possibly useful when experiencing blury fonts.
//settings.CefCommandLineArgs.Add("disable-direct-write", "1");
settings.MultiThreadedMessageLoop = multiThreadedMessageLoop;
settings.ExternalMessagePump = !multiThreadedMessageLoop;
// Off Screen rendering (WPF/Offscreen)
if(osr)
{
settings.WindowlessRenderingEnabled = true;
//Disable Direct Composition to test https://github.com/cefsharp/CefSharp/issues/1634
//settings.CefCommandLineArgs.Add("disable-direct-composition", "1");
// DevTools doesn't seem to be working when this is enabled
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=14095
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
}
var proxy = ProxyConfig.GetProxyInformation();
switch (proxy.AccessType)
{
case InternetOpenType.Direct:
{
//Don't use a proxy server, always make direct connections.
settings.CefCommandLineArgs.Add("no-proxy-server", "1");
break;
}
case InternetOpenType.Proxy:
{
settings.CefCommandLineArgs.Add("proxy-server", proxy.ProxyAddress);
break;
}
case InternetOpenType.PreConfig:
{
settings.CefCommandLineArgs.Add("proxy-auto-detect", "1");
break;
}
}
//settings.LogSeverity = LogSeverity.Verbose;
if (DebuggingSubProcess)
{
var architecture = Environment.Is64BitProcess ? "x64" : "x86";
settings.BrowserSubprocessPath = "..\\..\\..\\..\\CefSharp.BrowserSubprocess\\bin\\" + architecture + "\\Debug\\CefSharp.BrowserSubprocess.exe";
}
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeName,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory()
//SchemeHandlerFactory = new InMemorySchemeAndResourceHandlerFactory()
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeNameTest,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory()
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "localfolder",
SchemeHandlerFactory = new FolderSchemeHandlerFactory(rootFolder: @"..\..\..\..\CefSharp.Example\Resources",
schemeName: "localfolder", //Optional param no schemename checking if null
hostName: "cefsharp", //Optional param no hostname checking if null
defaultPage: "home.html") //Optional param will default to index.html
});
settings.RegisterExtension(new CefExtension("cefsharp/example", Resources.extension));
settings.FocusedNodeChangedEnabled = true;
if (!Cef.Initialize(settings, performDependencyCheck: !DebuggingSubProcess, browserProcessHandler: browserProcessHandler))
{
throw new Exception("Unable to Initialize Cef");
}
}
public static void Init(bool osr, bool multiThreadedMessageLoop, IBrowserProcessHandler browserProcessHandler)
{
// Set Google API keys, used for Geolocation requests sans GPS. See http://www.chromium.org/developers/how-tos/api-keys
// Environment.SetEnvironmentVariable("GOOGLE_API_KEY", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_ID", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_SECRET", "");
//Chromium Command Line args
//http://peter.sh/experiments/chromium-command-line-switches/
//NOTE: Not all relevant in relation to `CefSharp`, use for reference purposes only.
var settings = new CefSettings();
settings.RemoteDebuggingPort = 8088;
//The location where cache data will be stored on disk. If empty an in-memory cache will be used for some features and a temporary disk cache for others.
//HTML5 databases such as localStorage will only persist across sessions if a cache path is specified.
settings.CachePath = "cache";
//settings.UserAgent = "CefSharp Browser" + Cef.CefSharpVersion; // Example User Agent
//settings.CefCommandLineArgs.Add("renderer-process-limit", "1");
//settings.CefCommandLineArgs.Add("renderer-startup-dialog", "1");
//settings.CefCommandLineArgs.Add("enable-media-stream", "1"); //Enable WebRTC
//settings.CefCommandLineArgs.Add("no-proxy-server", "1"); //Don't use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed.
//settings.CefCommandLineArgs.Add("debug-plugin-loading", "1"); //Dumps extra logging about plugin loading to the log file.
//settings.CefCommandLineArgs.Add("disable-plugins-discovery", "1"); //Disable discovering third-party plugins. Effectively loading only ones shipped with the browser plus third-party ones as specified by --extra-plugin-dir and --load-plugin switches
//settings.CefCommandLineArgs.Add("enable-system-flash", "1"); //Automatically discovered and load a system-wide installation of Pepper Flash.
//settings.CefCommandLineArgs.Add("allow-running-insecure-content", "1"); //By default, an https page cannot run JavaScript, CSS or plugins from http URLs. This provides an override to get the old insecure behavior. Only available in 47 and above.
//settings.CefCommandLineArgs.Add("enable-logging", "1"); //Enable Logging for the Renderer process (will open with a cmd prompt and output debug messages - use in conjunction with setting LogSeverity = LogSeverity.Verbose;)
//settings.LogSeverity = LogSeverity.Verbose; // Needed for enable-logging to output messages
//settings.CefCommandLineArgs.Add("disable-extensions", "1"); //Extension support can be disabled
//settings.CefCommandLineArgs.Add("disable-pdf-extension", "1"); //The PDF extension specifically can be disabled
//Load the pepper flash player that comes with Google Chrome - may be possible to load these values from the registry and query the dll for it's version info (Step 2 not strictly required it seems)
//settings.CefCommandLineArgs.Add("ppapi-flash-path", @"C:\Program Files (x86)\Google\Chrome\Application\47.0.2526.106\PepperFlash\pepflashplayer.dll"); //Load a specific pepper flash version (Step 1 of 2)
//settings.CefCommandLineArgs.Add("ppapi-flash-version", "20.0.0.228"); //Load a specific pepper flash version (Step 2 of 2)
//NOTE: For OSR best performance you should run with GPU disabled:
// `--disable-gpu --disable-gpu-compositing --enable-begin-frame-scheduling`
// (you'll loose WebGL support but gain increased FPS and reduced CPU usage).
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=13271#p27075
//https://bitbucket.org/chromiumembedded/cef/commits/e3c1d8632eb43c1c2793d71639f3f5695696a5e8
//NOTE: The following function will set all three params
//settings.SetOffScreenRenderingBestPerformanceArgs();
//settings.CefCommandLineArgs.Add("disable-gpu", "1");
//settings.CefCommandLineArgs.Add("disable-gpu-compositing", "1");
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
//settings.CefCommandLineArgs.Add("disable-gpu-vsync", "1"); //Disable Vsync
//Disables the DirectWrite font rendering system on windows.
//Possibly useful when experiencing blury fonts.
//settings.CefCommandLineArgs.Add("disable-direct-write", "1");
settings.MultiThreadedMessageLoop = multiThreadedMessageLoop;
settings.ExternalMessagePump = !multiThreadedMessageLoop;
// Off Screen rendering (WPF/Offscreen)
if (osr)
{
settings.WindowlessRenderingEnabled = true;
//Disable Direct Composition to test https://github.com/cefsharp/CefSharp/issues/1634
//settings.CefCommandLineArgs.Add("disable-direct-composition", "1");
// DevTools doesn't seem to be working when this is enabled
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=14095
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
}
var proxy = ProxyConfig.GetProxyInformation();
switch (proxy.AccessType)
{
case InternetOpenType.Direct:
{
//Don't use a proxy server, always make direct connections.
settings.CefCommandLineArgs.Add("no-proxy-server", "1");
break;
}
case InternetOpenType.Proxy:
{
settings.CefCommandLineArgs.Add("proxy-server", proxy.ProxyAddress);
break;
}
case InternetOpenType.PreConfig:
{
settings.CefCommandLineArgs.Add("proxy-auto-detect", "1");
break;
}
}
//settings.LogSeverity = LogSeverity.Verbose;
if (DebuggingSubProcess)
{
var architecture = Environment.Is64BitProcess ? "x64" : "x86";
settings.BrowserSubprocessPath = "..\\..\\..\\..\\CefSharp.BrowserSubprocess\\bin\\" + architecture + "\\Debug\\CefSharp.BrowserSubprocess.exe";
}
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeName,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory()
//SchemeHandlerFactory = new InMemorySchemeAndResourceHandlerFactory()
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeNameTest,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory()
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "localfolder",
SchemeHandlerFactory = new FolderSchemeHandlerFactory(rootFolder: @"..\..\..\..\CefSharp.Example\Resources",
schemeName: "localfolder", //Optional param no schemename checking if null
hostName: "cefsharp", //Optional param no hostname checking if null
defaultPage: "home.html") //Optional param will default to index.html
});
settings.RegisterExtension(new CefExtension("cefsharp/example", Resources.extension));
settings.FocusedNodeChangedEnabled = true;
if (!Cef.Initialize(settings, performDependencyCheck: !DebuggingSubProcess, browserProcessHandler: browserProcessHandler))
{
throw new Exception("Unable to Initialize Cef");
}
}
public static void Init(CefSettingsBase settings, IBrowserProcessHandler browserProcessHandler)
{
// Set Google API keys, used for Geolocation requests sans GPS. See http://www.chromium.org/developers/how-tos/api-keys
// Environment.SetEnvironmentVariable("GOOGLE_API_KEY", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_ID", "");
// Environment.SetEnvironmentVariable("GOOGLE_DEFAULT_CLIENT_SECRET", "");
//Chromium Command Line args
//http://peter.sh/experiments/chromium-command-line-switches/
//NOTE: Not all relevant in relation to `CefSharp`, use for reference purposes only.
//CEF specific command line args
//https://bitbucket.org/chromiumembedded/cef/src/master/libcef/common/cef_switches.cc?fileviewer=file-view-default
//**IMPORTANT**: For enabled/disabled command line arguments like disable-gpu specifying a value of "0" like
//settings.CefCommandLineArgs.Add("disable-gpu", "0"); will have no effect as the second argument is ignored.
//**IMPORTANT**: When using command line arguments the behaviour may change between Chromium versions, if you are experiencing
//issues after upgrading to a newer version, you should remove all custom command line arguments and add test them in
//isolation to determine if they are causing issues.
//The command line arguments shown here are here as a reference only and are not tested to confirm they work with each version
settings.RemoteDebuggingPort = 8088;
//The location where cache data will be stored on disk. If empty an in-memory cache will be used for some features and a temporary disk cache for others.
//HTML5 databases such as localStorage will only persist across sessions if a cache path is specified.
settings.RootCachePath = Path.GetFullPath("cache");
//If non-null then CachePath must be equal to or a child of RootCachePath
//We're using a sub folder.
//
settings.CachePath = Path.GetFullPath("cache\\global");
//settings.UserAgent = "CefSharp Browser" + Cef.CefSharpVersion; // Example User Agent
//settings.CefCommandLineArgs.Add("renderer-startup-dialog");
//settings.CefCommandLineArgs.Add("enable-media-stream"); //Enable WebRTC
//settings.CefCommandLineArgs.Add("no-proxy-server"); //Don't use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed.
//settings.CefCommandLineArgs.Add("allow-running-insecure-content"); //By default, an https page cannot run JavaScript or CSS from http URLs. This provides an override to get the old insecure behavior. Only available in 47 and above.
//https://peter.sh/experiments/chromium-command-line-switches/#disable-site-isolation-trials
//settings.CefCommandLineArgs.Add("disable-site-isolation-trials");
//NOTE: Running the Network Service in Process is not something CEF officially supports
//It may or may not work for newer versions.
//settings.CefCommandLineArgs.Add("enable-features", "CastMediaRouteProvider,NetworkServiceInProcess");
//settings.CefCommandLineArgs.Add("enable-logging"); //Enable Logging for the Renderer process (will open with a cmd prompt and output debug messages - use in conjunction with setting LogSeverity = LogSeverity.Verbose;)
//settings.LogSeverity = LogSeverity.Verbose; // Needed for enable-logging to output messages
//settings.CefCommandLineArgs.Add("disable-extensions"); //Extension support can be disabled
//settings.CefCommandLineArgs.Add("disable-pdf-extension"); //The PDF extension specifically can be disabled
//Audo play example
//settings.CefCommandLineArgs["autoplay-policy"] = "no-user-gesture-required";
//NOTE: For OSR best performance you should run with GPU disabled:
// `--disable-gpu --disable-gpu-compositing --enable-begin-frame-scheduling`
// (you'll loose WebGL support but gain increased FPS and reduced CPU usage).
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=13271#p27075
//https://bitbucket.org/chromiumembedded/cef/commits/e3c1d8632eb43c1c2793d71639f3f5695696a5e8
//NOTE: The following function will set all three params
//settings.SetOffScreenRenderingBestPerformanceArgs();
//settings.CefCommandLineArgs.Add("disable-gpu");
//settings.CefCommandLineArgs.Add("disable-gpu-compositing");
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling");
//settings.CefCommandLineArgs.Add("disable-gpu-vsync"); //Disable Vsync
// The following options control accessibility state for all frames.
// These options only take effect if accessibility state is not set by IBrowserHost.SetAccessibilityState call.
// --force-renderer-accessibility enables browser accessibility.
// --disable-renderer-accessibility completely disables browser accessibility.
//settings.CefCommandLineArgs.Add("force-renderer-accessibility");
//settings.CefCommandLineArgs.Add("disable-renderer-accessibility");
//Enables Uncaught exception handler
settings.UncaughtExceptionStackSize = 10;
//Disable WebAssembly
//settings.JavascriptFlags = "--noexpose_wasm";
// Off Screen rendering (WPF/Offscreen)
if (settings.WindowlessRenderingEnabled)
{
//Disable Direct Composition to test https://github.com/cefsharp/CefSharp/issues/1634
//settings.CefCommandLineArgs.Add("disable-direct-composition");
// DevTools doesn't seem to be working when this is enabled
// http://magpcss.org/ceforum/viewtopic.php?f=6&t=14095
//settings.CefCommandLineArgs.Add("enable-begin-frame-scheduling");
}
var proxy = ProxyConfig.GetProxyInformation();
switch (proxy.AccessType)
{
case InternetOpenType.Direct:
{
//Don't use a proxy server, always make direct connections.
settings.CefCommandLineArgs.Add("no-proxy-server");
break;
}
case InternetOpenType.Proxy:
{
settings.CefCommandLineArgs.Add("proxy-server", proxy.ProxyAddress);
break;
}
case InternetOpenType.PreConfig:
{
settings.CefCommandLineArgs.Add("proxy-auto-detect");
break;
}
}
//settings.LogSeverity = LogSeverity.Verbose;
//Experimental setting see https://bitbucket.org/chromiumembedded/cef/issues/2969/support-chrome-windows-with-cef-callbacks
//for details
//settings.ChromeRuntime = true;
if (DebuggingSubProcess)
{
var architecture = RuntimeInformation.ProcessArchitecture.ToString().ToLowerInvariant();
#if NETCOREAPP
settings.BrowserSubprocessPath = Path.GetFullPath("..\\..\\..\\..\\..\\..\\CefSharp.BrowserSubprocess\\bin.netcore\\" + architecture + "\\Debug\\netcoreapp3.1\\CefSharp.BrowserSubprocess.exe");
#else
settings.BrowserSubprocessPath = Path.GetFullPath("..\\..\\..\\..\\CefSharp.BrowserSubprocess\\bin\\" + architecture + "\\Debug\\CefSharp.BrowserSubprocess.exe");
#endif
}
settings.CookieableSchemesList = "custom";
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeName,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
IsSecure = true, //treated with the same security rules as those applied to "https" URLs
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "https",
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
DomainName = ExampleDomain
});
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = CefSharpSchemeHandlerFactory.SchemeNameTest,
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
IsSecure = true //treated with the same security rules as those applied to "https" URLs
});
//You can use the http/https schemes - best to register for a specific domain
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "https",
SchemeHandlerFactory = new CefSharpSchemeHandlerFactory(),
DomainName = "cefsharp.com",
IsSecure = true //treated with the same security rules as those applied to "https" URLs
});
const string cefSharpExampleResourcesFolder =
#if !NETCOREAPP
@"..\..\..\..\CefSharp.Example\Resources";
#else
@"..\..\..\..\..\..\CefSharp.Example\Resources";
#endif
settings.RegisterScheme(new CefCustomScheme
{
SchemeName = "localfolder",
SchemeHandlerFactory = new FolderSchemeHandlerFactory(rootFolder: cefSharpExampleResourcesFolder,
schemeName: "localfolder", //Optional param no schemename checking if null
hostName: "cefsharp", //Optional param no hostname checking if null
defaultPage: "home.html") //Optional param will default to index.html
});
//This must be set before Cef.Initialized is called
CefSharpSettings.FocusedNodeChangedEnabled = true;
//Async Javascript Binding - methods are queued on TaskScheduler.Default.
//Set this to true to when you have methods that return Task<T>
//CefSharpSettings.ConcurrentTaskExecution = true;
//Legacy Binding Behaviour - Same as Javascript Binding in version 57 and below
//See issue https://github.com/cefsharp/CefSharp/issues/1203 for details
//CefSharpSettings.LegacyJavascriptBindingEnabled = true;
//Exit the subprocess if the parent process happens to close
//This is optional at the moment
//https://github.com/cefsharp/CefSharp/pull/2375/
CefSharpSettings.SubprocessExitIfParentProcessClosed = true;
//NOTE: Set this before any calls to Cef.Initialize to specify a proxy with username and password
//One set this cannot be changed at runtime. If you need to change the proxy at runtime (dynamically) then
//see https://github.com/cefsharp/CefSharp/wiki/General-Usage#proxy-resolution
//CefSharpSettings.Proxy = new ProxyOptions(ip: "127.0.0.1", port: "8080", username: "******", password: "******");
bool performDependencyCheck = !DebuggingSubProcess;
if (!Cef.Initialize(settings, performDependencyCheck: performDependencyCheck, browserProcessHandler: browserProcessHandler))
{
throw new Exception("Unable to Initialize Cef");
}
Cef.AddCrossOriginWhitelistEntry(BaseUrl, "https", "cefsharp.com", false);
}
