CefSharp/CefSharp.Example/CefExample.cs at cefsharp/45 · cefsharp/CefSharp · GitHub

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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.

using System;

using System.Diagnostics;

using System.Text;

using System.Threading.Tasks;

using CefSharp.Example.Properties;

using CefSharp.Example.Proxy;

namespace CefSharp.Example

{

public static class CefExample

{

public const string DefaultUrl = "custom://cefsharp/home.html";

public const string BindingTestUrl = "custom://cefsharp/BindingTest.html";

public const string PluginsTestUrl = "custom://cefsharp/plugins.html";

public const string PopupTestUrl = "custom://cefsharp/PopupTest.html";

public const string BasicSchemeTestUrl = "custom://cefsharp/SchemeTest.html";

public const string TestResourceUrl = "http://test/resource/load";

public const string RenderProcessCrashedUrl = "http://processcrashed";

public const string TestUnicodeResourceUrl = "http://test/resource/loadUnicode";

public const string PopupParentUrl = "http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_win_close";

// Use when debugging the actual SubProcess, to make breakpoints etc. inside that project work.

private static readonly bool DebuggingSubProcess = Debugger.IsAttached;

private static string PluginInformation = "";

public static void Init(bool osr, bool multiThreadedMessageLoop)

{

// 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("ppapi-flash-path", @"C:\WINDOWS\SysWOW64\Macromed\Flash\pepflashplayer32_18_0_0_209.dll"); //Load a specific pepper flash version (Step 1 of 2)

//settings.CefCommandLineArgs.Add("ppapi-flash-version", "18.0.0.209"); //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;

// Off Screen rendering (WPF/Offscreen)

if(osr)

{

settings.WindowlessRenderingEnabled = true;

// Disable Surfaces so internal PDF viewer works for OSR

// https://bitbucket.org/chromiumembedded/cef/issues/1689

//settings.CefCommandLineArgs.Add("disable-surfaces", "1");

settings.EnableInternalPdfViewerOffScreen();

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()

});

settings.RegisterScheme(new CefCustomScheme

{

SchemeName = CefSharpSchemeHandlerFactory.SchemeNameTest,

SchemeHandlerFactory = new CefSharpSchemeHandlerFactory()

});

settings.RegisterExtension(new CefExtension("cefsharp/example", Resources.extension));

Cef.OnContextInitialized = delegate

{

var cookieManager = Cef.GetGlobalCookieManager();

cookieManager.SetStoragePath("cookies", true);

cookieManager.SetSupportedSchemes("custom");

};

if (!Cef.Initialize(settings, shutdownOnProcessExit: true, performDependencyCheck: !DebuggingSubProcess))

{

throw new Exception("Unable to Initialize Cef");

}

public static async void RegisterTestResources(IWebBrowser browser)

{

var handler = browser.ResourceHandlerFactory as DefaultResourceHandlerFactory;

if (handler != null)

{

const string renderProcessCrashedBody = "<html><body><h1>Render Process Crashed</h1><p>Your seeing this message as the render process has crashed</p></body></html>";

handler.RegisterHandler(RenderProcessCrashedUrl, ResourceHandler.FromString(renderProcessCrashedBody));

const string responseBody = "<html><body><h1>Success</h1><p>This document is loaded from a System.IO.Stream</p></body></html>";

var response = ResourceHandler.FromString(responseBody);

response.Headers.Add("HeaderTest1", "HeaderTest1Value");

handler.RegisterHandler(TestResourceUrl, response);

const string unicodeResponseBody = "<html><body>整体满意度</body></html>";

handler.RegisterHandler(TestUnicodeResourceUrl, ResourceHandler.FromString(unicodeResponseBody));

if (string.IsNullOrEmpty(PluginInformation))

{

var pluginBody = new StringBuilder();

pluginBody.Append("<html><body><h1>Plugins</h1><table>");

pluginBody.Append("<tr>");

pluginBody.Append("<th>Name</th>");

pluginBody.Append("<th>Description</th>");

pluginBody.Append("<th>Version</th>");

pluginBody.Append("<th>Path</th>");

pluginBody.Append("</tr>");

try

{

var plugins = await Cef.GetPlugins();

foreach (var plugin in plugins)

{

pluginBody.Append("<tr>");

pluginBody.Append("<td>" + plugin.Name + "</td>");

pluginBody.Append("<td>" + plugin.Description + "</td>");

pluginBody.Append("<td>" + plugin.Version + "</td>");

pluginBody.Append("<td>" + plugin.Path + "</td>");

pluginBody.Append("</tr>");

}

catch (TaskCanceledException ex)

{

pluginBody.Append("<tr>");

pluginBody.Append("<td colspan='4'>Cef.GetPlugins Timed out - likely no plugins were loaded on your system</td>");

pluginBody.Append("</tr>");

pluginBody.Append("<tr>");

pluginBody.Append("<td colspan='4'>You may find that NPAPI/PPAPI need to be enabled</td>");

pluginBody.Append("</tr>");

}

pluginBody.Append("</table></body></html>");

PluginInformation = pluginBody.ToString();

}

handler.RegisterHandler(PluginsTestUrl, ResourceHandler.FromString(PluginInformation));

}

CefSharp/CefSharp.Example/CefExample.cs at cefsharp/45 · cefsharp/CefSharp · GitHub

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CefSharp/CefSharp.Example/CefExample.cs at cefsharp/45 · cefsharp/CefSharp · GitHub

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