/// <summary>
/// 创建一个web browser 对象，并打开一个新的空白页
/// </summary>
private void CreateNewWebBrowser()
{
var autoSet = new AutoResetEvent(false);
// Instruct CEF to not render to a window at all.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, true);
// Settings for the browser window itself (e.g. should JavaScript be enabled?).
var cefBrowserSettings = new CefBrowserSettings();
// Initialize some the cust interactions with the browser process.
// The browser window will be 1280 x 720 (pixels).
var cefClient = new HeadLessCefClient(1024, 720);
var loader = cefClient.GetCurrentLoadHandler();
loader.BrowserCreated += (s, e) =>
{
//事件通知 当cef browser 创建完毕
//创建完毕后 保存 browser 对象的实例
this.WebBrowser = e.Browser;
this._is_cef_browser_has_created = true;
//发送终止信号
autoSet.Set();
};
//注册 加载完毕事件handler
loader.LoadEnd += this.OnWebBrowserLoadEnd;
// Start up the browser instance.
string url = "about:blank";
CefBrowserHost.CreateBrowser(cefWindowInfo, cefClient, cefBrowserSettings, url);
//等待结束信号
autoSet.WaitOne();
}
/// <summary>
/// 加载Cef相关的资源
/// </summary>
public MainUIRender(GraphicsDevice gd, IntPtr handle, uint windwosWidth, uint windowsHeight)
{
_gd = gd;
_windowsHeight = windowsHeight;
_windowsWidth = windwosWidth;
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(handle, true);
CefBrowserSettings cefBrowserSettings = new CefBrowserSettings()
{
BackgroundColor = new CefColor(0, 60, 85, 115),
JavaScript = CefState.Enabled,
JavaScriptAccessClipboard = CefState.Disabled,
JavaScriptCloseWindows = CefState.Disabled,
JavaScriptDomPaste = CefState.Disabled,
//JavaScriptOpenWindows = CefState.Disabled,
LocalStorage = CefState.Disabled
};
// Initialize some of the custom interactions with the browser process.
this.cefClient = new CefOSRClient(this);
// Start up the browser instance.
CefBrowserHost.CreateBrowser(cefWindowInfo, this.cefClient, cefBrowserSettings, string.IsNullOrEmpty(this.url) ? "http://www.google.com" : this.url);
}
/// <summary>
/// Initialization
/// </summary>
/// <param name="width">Browser rect width</param>
/// <param name="height">Browser rect height</param>
/// <param name="starturl"></param>
public void Init(int width, int height, string starturl)
{
RegisterMessageRouter();
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, false);
var cefBrowserSettings = new CefBrowserSettings {
JavaScript = CefState.Enabled,
TabToLinks = CefState.Enabled,
WebSecurity = CefState.Disabled,
WebGL = CefState.Enabled,
WindowlessFrameRate = 30
};
_client = new WorkerCefClient(width, height, this);
string url = "http://www.yandex.ru/";
if (starturl != "")
{
url = starturl;
}
CefBrowserHost.CreateBrowser(cefWindowInfo, _client, cefBrowserSettings, url);
_initialized = true;
}
private void StartCef()
{
#if UNITY_EDITOR
CefRuntime.Load(Path.Combine(Application.dataPath, "Plugins", "Cef", "Windows"));
#else
CefRuntime.Load();
#endif
var cefMainArgs = new CefMainArgs(new string[] { });
var cefApp = new OffscreenCEFClient.OffscreenCEFApp();
// This is where the code path diverges for child processes.
if (CefRuntime.ExecuteProcess(cefMainArgs, cefApp, IntPtr.Zero) != -1)
{
Debug.LogError("Could not start the secondary process.");
}
var cefSettings = new CefSettings
{
//ExternalMessagePump = true,
MultiThreadedMessageLoop = false,
SingleProcess = true,
LogSeverity = CefLogSeverity.Verbose,
LogFile = "cef.log",
WindowlessRenderingEnabled = true,
NoSandbox = true
};
// Start the browser process (a child process).
CefRuntime.Initialize(cefMainArgs, cefSettings, cefApp, IntPtr.Zero);
// Instruct CEF to not render to a window.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, true);
// Settings for the browser window itself (e.g. enable JavaScript?).
CefBrowserSettings cefBrowserSettings = new CefBrowserSettings()
{
};
Debug.Log("Start with window: " + this.windowWidth + ", " + this.windowHeight);
// Initialize some of the custom interactions with the browser process.
this.cefClient = new OffscreenCEFClient(
this.windowWidth,
this.windowHeight,
this.hideScrollbars,
this.BrowserTexture,
this
);
// Start up the browser instance.
CefBrowserHost.CreateBrowser(cefWindowInfo, this.cefClient, cefBrowserSettings, string.IsNullOrEmpty(this.overlayUrl) ? "http://www.google.com" : this.overlayUrl);
}
private void StartCef()
{
#if UNITY_EDITOR
CefRuntime.Load("./Assets/Plugins/x86_64");
#else
CefRuntime.Load();
#endif
var cefMainArgs = new CefMainArgs(new string[] { });
var cefApp = new OffscreenCEFClient.OffscreenCEFApp();
// This is where the code path diverges for child processes.
if (CefRuntime.ExecuteProcess(cefMainArgs, cefApp, IntPtr.Zero) != -1)
{
Debug.LogError("Could not start the secondary process.");
}
var cefSettings = new CefSettings
{
//ExternalMessagePump = true,
MultiThreadedMessageLoop = false,
SingleProcess = true,
LogSeverity = CefLogSeverity.Verbose,
LogFile = "cef.log",
WindowlessRenderingEnabled = true,
NoSandbox = true,
};
// Start the browser process (a child process).
CefRuntime.Initialize(cefMainArgs, cefSettings, cefApp, IntPtr.Zero);
// Instruct CEF to not render to a window.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, false);
// Settings for the browser window itself (e.g. enable JavaScript?).
CefBrowserSettings cefBrowserSettings = new CefBrowserSettings()
{
BackgroundColor = new CefColor(255, 60, 85, 115),
JavaScript = CefState.Enabled,
JavaScriptAccessClipboard = CefState.Disabled,
JavaScriptCloseWindows = CefState.Disabled,
JavaScriptDomPaste = CefState.Disabled,
JavaScriptOpenWindows = CefState.Disabled,
LocalStorage = CefState.Disabled
};
// Initialize some of the custom interactions with the browser process.
this.cefClient = new OffscreenCEFClient(this.windowSize, this.hideScrollbars);
// Start up the browser instance.
CefBrowserHost.CreateBrowser(cefWindowInfo, this.cefClient, cefBrowserSettings, string.IsNullOrEmpty(this.url) ? "http://www.google.com" : this.url);
}
protected override bool OnBeforePopup(CefBrowser browser, CefFrame frame, string targetUrl, string targetFrameName,
CefWindowOpenDisposition targetDisposition, bool userGesture, CefPopupFeatures popupFeatures,
CefWindowInfo windowInfo, ref CefClient client, CefBrowserSettings settings, ref bool noJavascriptAccess)
{
//settings.WebSecurity = CefState.Disabled;
windowInfo.SetAsWindowless(IntPtr.Zero, false);
var newBrowser = new Browser(false);
client = newBrowser.CefClient;
WaitForBrowser(newBrowser);
return(false);
}
internal Browser(V8ScriptEngine father, Size browserSize, bool localMode)
{
Father = father;
if (!CefUtil.DISABLE_CEF)
{
LogManager.CefLog("--> Browser: Start");
CefWindowInfo cefWindowinfo = CefWindowInfo.Create();
cefWindowinfo.SetAsWindowless(IntPtr.Zero, true);
cefWindowinfo.TransparentPaintingEnabled = true;
cefWindowinfo.WindowlessRenderingEnabled = true;
var browserSettings = new CefBrowserSettings()
{
JavaScriptCloseWindows = CefState.Disabled,
JavaScriptOpenWindows = CefState.Disabled,
WindowlessFrameRate = CEFManager.FPS,
FileAccessFromFileUrls = CefState.Disabled,
};
_client = new MainCefClient(browserSize.Width, browserSize.Height);
_client.OnCreated += (sender, args) =>
{
_browser = (CefBrowser)sender;
LogManager.CefLog("-> Browser created!");
};
Size = browserSize;
_localMode = localMode;
_callback = new BrowserJavascriptCallback(father, this);
try
{
LogManager.CefLog("--> Browser: Creating Browser");
CefBrowserHost.CreateBrowser(cefWindowinfo, _client, browserSettings);
}
catch (Exception e)
{
LogManager.CefLog(e, "CreateBrowser");
}
LogManager.CefLog("--> Browser: End");
}
}
// Use this for initialization
void Start()
{
this.BrowserTexture = new Texture2D(this.windowSize.Width, this.windowSize.Height, TextureFormat.BGRA32, false);
if (GetComponent <RawImage>() != null)
{
GetComponent <RawImage>().texture = BrowserTexture;
}
if (GetComponent <MeshRenderer>() != null)
{
GetComponent <MeshRenderer>().material.mainTexture = BrowserTexture;
}
#if !UNITY_EDITOR
// Instruct CEF to not render to a window.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, false);
// Settings for the browser window itself (e.g. enable JavaScript?).
CefBrowserSettings cefBrowserSettings = new CefBrowserSettings()
{
BackgroundColor = new CefColor(255, 60, 85, 115),
JavaScript = CefState.Enabled,
JavaScriptAccessClipboard = CefState.Disabled,
JavaScriptCloseWindows = CefState.Disabled,
JavaScriptDomPaste = CefState.Disabled,
JavaScriptOpenWindows = CefState.Disabled,
LocalStorage = CefState.Disabled
};
// Initialize some of the custom interactions with the browser process.
this.cefClient = new OffscreenCEFClient(this.windowSize, this.hideScrollbars);
// Start up the browser instance.
CefBrowserHost.CreateBrowser(cefWindowInfo, this.cefClient, cefBrowserSettings, string.IsNullOrEmpty(this.url) ? "http://www.google.com" : this.url);
#endif
StartCoroutine(UpdateTexture());
StartCoroutine(MessagePump());
}
/// <summary>
/// 创建cef 打开的——blank实例
/// </summary>
public static Task <CookiedCefBrowser> CreateNewWebBrowser()
{
//使用任务 锁保证事件变为同步
var tcs = new TaskCompletionSource <CookiedCefBrowser>();
// Instruct CEF to not render to a window at all.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, true);
// Settings for the browser window itself (e.g. should JavaScript be enabled?).
var cefBrowserSettings = new CefBrowserSettings();
// Initialize some the cust interactions with the browser process.
// The browser window will be 1280 x 720 (pixels).
var cefClient = new HeadLessCefClient(1, 1);
var loader = cefClient.GetCurrentLoadHandler();
loader.BrowserCreated += (s, e) =>
{
//事件通知 当cef browser 创建完毕
//创建完毕后 保存 browser 对象的实例
var brw = e.Browser;
var etaoBrowser = new CookiedCefBrowser {
CefBrowser = brw, CefLoader = loader, CefClient = cefClient
};
tcs.TrySetResult(etaoBrowser);
};
////注册 加载完毕事件handler
//loader.LoadEnd += this.OnWebBrowserLoadEnd;
// Start up the browser instance.
string url = "about:blank";
CefBrowserHost.CreateBrowser(cefWindowInfo, cefClient, cefBrowserSettings, url);
return(tcs.Task);
}
private Task <TestCefGlueHTMLWindowProvider> InitTask(string ipath)
{
TaskCompletionSource <TestCefGlueHTMLWindowProvider> tcs = new TaskCompletionSource <TestCefGlueHTMLWindowProvider>();
Task.Run(() =>
{
CefCoreSessionSingleton.GetAndInitIfNeeded();
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, true);
// Settings for the browser window itself (e.g. enable JavaScript?).
var cefBrowserSettings = new CefBrowserSettings();
// Initialize some the cust interactions with the browser process.
var cefClient = new TestCefClient();
ipath = ipath ?? "javascript\\index.html";
string fullpath = string.Format("{0}\\{1}", Assembly.GetExecutingAssembly().GetPath(), ipath);
// Start up the browser instance.
CefBrowserHost.CreateBrowser(cefWindowInfo, cefClient, cefBrowserSettings, fullpath);
cefClient.GetLoadedBroserAsync().ContinueWith(t =>
{
var frame = t.Result.GetMainFrame();
var context = CefCoreSessionSingleton.Session.CefApp.GetContext(frame);
_Father._ICefGlueWindow = new TestCefGlueHTMLWindowProvider(frame);
tcs.SetResult(_Father._ICefGlueWindow);
}
);
}
);
return(tcs.Task);
}
public bool CreateBrowser(BrowserSource browserSource,
BrowserConfig browserConfig)
{
if (browserClient == null)
{
InitClient(browserSource);
}
Debug.Assert(browserClient != null);
Debug.Assert(browserConfig != null);
BrowserConfig = browserConfig;
CefWindowInfo windowInfo = CefWindowInfo.Create();
windowInfo.Width = (int)browserConfig.BrowserSourceSettings.Width;
windowInfo.Height = (int)browserConfig.BrowserSourceSettings.Height;
windowInfo.SetAsWindowless(IntPtr.Zero, true);
BrowserInstanceSettings settings = AbstractSettings.DeepClone(
BrowserSettings.Instance.InstanceSettings);
settings.MergeWith(browserConfig.BrowserInstanceSettings);
CefBrowserSettings browserSettings = new CefBrowserSettings
{
WindowlessFrameRate = browserConfig.BrowserSourceSettings.Fps,
ApplicationCache = settings.ApplicationCache,
CaretBrowsing = settings.CaretBrowsing,
CursiveFontFamily = settings.CursiveFontFamily,
Databases = settings.Databases,
DefaultEncoding = settings.DefaultEncoding,
DefaultFixedFontSize = settings.DefaultFixedFontSize,
DefaultFontSize = settings.DefaultFontSize,
FantasyFontFamily = settings.FantasyFontFamily,
FileAccessFromFileUrls = settings.FileAccessFromFileUrls,
FixedFontFamily = settings.FixedFontFamily,
ImageLoading = settings.ImageLoading,
ImageShrinkStandaloneToFit = settings.ImageShrinkStandaloneToFit,
Java = settings.Java,
JavaScript = settings.JavaScript,
JavaScriptAccessClipboard = settings.JavaScriptAccessClipboard,
JavaScriptCloseWindows = settings.JavaScriptCloseWindows,
JavaScriptDomPaste = settings.JavaScriptDomPaste,
JavaScriptOpenWindows = settings.JavaScriptOpenWindows,
LocalStorage = settings.LocalStorage,
MinimumFontSize = settings.MinimumFontSize,
MinimumLogicalFontSize = settings.MinimumLogicalFontSize,
Plugins = settings.Plugins,
RemoteFonts = settings.RemoteFonts,
SansSerifFontFamily = settings.SansSerifFontFamily,
SerifFontFamily = settings.SerifFontFamily,
StandardFontFamily = settings.StandardFontFamily,
//TabToLinks = settings.TabToLinks,
//TextAreaResize = settings.TextAreaResize,
UniversalAccessFromFileUrls =
settings.UniversalAccessFromFileUrls,
WebGL = settings.WebGL,
WebSecurity = settings.WebSecurity
};
String url = browserConfig.BrowserSourceSettings.Url;
if (browserConfig.BrowserSourceSettings.IsApplyingTemplate)
{
url = "http://absolute";
}
lock (browserLock)
{
ManualResetEventSlim createdBrowserEvent =
new ManualResetEventSlim();
CefRuntime.PostTask(CefThreadId.UI, BrowserTask.Create(() =>
{
try
{
browser = CefBrowserHost.CreateBrowserSync(windowInfo,
browserClient, browserSettings, new Uri(url));
BrowserManager.Instance.RegisterBrowser(browser.Identifier,
this);
// request the render process id for volume control
browser.SendProcessMessage(CefProcessId.Renderer,
CefProcessMessage.Create("renderProcessIdRequest"));
}
catch (Exception)
{
browser = null;
}
finally
{
createdBrowserEvent.Set();
}
}));
createdBrowserEvent.Wait();
}
return(browser != null);
}
/// <summary>
/// Starts CEF
/// </summary>
/// <exception cref="Exception"></exception>
public void Init()
{
// ReSharper disable once RedundantAssignment
string[] argv = args;
#if LINUX
//On Linux we need to do this, otherwise it will just crash, no idea why tho
argv = new string[args.Length + 1];
Array.Copy(args, 0, argv, 1, args.Length);
argv[0] = "-";
#endif
//Set up CEF args and the CEF app
CefMainArgs cefMainArgs = new CefMainArgs(argv);
BrowserProcessCEFApp cefApp = new BrowserProcessCEFApp(launchArguments);
//Run our sub-processes
int exitCode = CefRuntime.ExecuteProcess(cefMainArgs, cefApp, IntPtr.Zero);
if (exitCode != -1)
{
Environment.Exit(exitCode);
return;
}
//Backup
if (argv.Any(arg => arg.StartsWith("--type=")))
{
Environment.Exit(-2);
return;
}
//Do we have a cache or not, if not CEF will run in "incognito" mode.
string cachePathArgument = null;
if (launchArguments.CachePath != null)
{
cachePathArgument = launchArguments.CachePath.FullName;
}
//Convert UnityWebBrowser log severity to CefLogSeverity
CefLogSeverity logSeverity = launchArguments.LogSeverity switch
{
LogSeverity.Debug => CefLogSeverity.Debug,
LogSeverity.Info => CefLogSeverity.Info,
LogSeverity.Warn => CefLogSeverity.Warning,
LogSeverity.Error => CefLogSeverity.Error,
LogSeverity.Fatal => CefLogSeverity.Fatal,
_ => CefLogSeverity.Default
};
//Setup the CEF settings
CefSettings cefSettings = new CefSettings
{
WindowlessRenderingEnabled = true,
NoSandbox = true,
LogFile = launchArguments.LogPath.FullName,
CachePath = cachePathArgument,
//TODO: On MacOS multi-threaded message loop isn't supported
MultiThreadedMessageLoop = true,
LogSeverity = logSeverity,
Locale = "en-US",
ExternalMessagePump = false,
RemoteDebuggingPort = launchArguments.RemoteDebugging,
#if LINUX
//On Linux we need to tell CEF where everything is, this will assume that the working directory is where everything is!
ResourcesDirPath = System.IO.Path.Combine(Environment.CurrentDirectory),
LocalesDirPath = System.IO.Path.Combine(Environment.CurrentDirectory, "locales"),
BrowserSubprocessPath = Environment.GetCommandLineArgs()[0]
#endif
};
//Init CEF
CefRuntime.Initialize(cefMainArgs, cefSettings, cefApp, IntPtr.Zero);
//Create a CEF window and set it to windowless
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, false);
//Create our CEF browser settings
CefColor backgroundColor = new CefColor(launchArguments.Bca, launchArguments.Bcr, launchArguments.Bcg,
launchArguments.Bcb);
CefBrowserSettings cefBrowserSettings = new CefBrowserSettings
{
BackgroundColor = backgroundColor,
JavaScript = launchArguments.JavaScript ? CefState.Enabled : CefState.Disabled,
LocalStorage = CefState.Disabled
};
Logger.Debug($"CEF starting with these options:" +
$"\nJS: {launchArguments.JavaScript}" +
$"\nBackgroundColor: {backgroundColor}" +
$"\nCache Path: {cachePathArgument}" +
$"\nLog Path: {launchArguments.LogPath.FullName}" +
$"\nLog Severity: {launchArguments.LogSeverity}");
Logger.Info("Starting CEF client...");
//Create cef browser
cefClient = new BrowserProcessCEFClient(new CefSize(launchArguments.Width, launchArguments.Height),
new ProxySettings(launchArguments.ProxyUsername, launchArguments.ProxyPassword, launchArguments.ProxyEnabled));
CefBrowserHost.CreateBrowser(cefWindowInfo, cefClient, cefBrowserSettings, launchArguments.InitialUrl);
cefClient.OnUrlChange += OnUrlChange;
}
protected virtual void OnCreateBrowser()
{
if (this.Opener != null)
{
return;
}
if (GetState(State.Creating) || GetState(State.Created))
{
throw new InvalidOperationException();
}
SetState(State.Creating, true);
Dictionary <InitialPropertyKeys, object> propertyBag = InitialPropertyBag;
InitialPropertyBag = null;
var avaloniaWindow = this.GetVisualRoot() as Window;
if (avaloniaWindow is null)
{
throw new InvalidOperationException("Window not found!");
}
using (var windowInfo = new CefWindowInfo())
{
IPlatformHandle platformHandle = avaloniaWindow.PlatformImpl.Handle;
if (platformHandle is IMacOSTopLevelPlatformHandle macOSHandle)
{
windowInfo.SetAsWindowless(macOSHandle.GetNSWindowRetained());
}
else
{
windowInfo.SetAsWindowless(platformHandle.Handle);
}
string initialUrl = null;
CefDictionaryValue extraInfo = null;
CefRequestContext requestContext = null;
CefBrowserSettings browserSettings = null;
if (propertyBag != null)
{
object value;
if (propertyBag.TryGetValue(InitialPropertyKeys.Url, out value))
{
initialUrl = value as string;
}
if (propertyBag.TryGetValue(InitialPropertyKeys.BrowserSettings, out value))
{
browserSettings = value as CefBrowserSettings;
}
if (propertyBag.TryGetValue(InitialPropertyKeys.RequestContext, out value))
{
requestContext = value as CefRequestContext;
}
if (propertyBag.TryGetValue(InitialPropertyKeys.ExtraInfo, out value))
{
extraInfo = value as CefDictionaryValue;
}
}
if (initialUrl == null)
{
initialUrl = "about:blank";
}
if (browserSettings == null)
{
browserSettings = DefaultBrowserSettings;
}
if (!CefApi.CreateBrowser(windowInfo, ViewGlue.Client, initialUrl, browserSettings, extraInfo, requestContext))
{
throw new InvalidOperationException("Failed to create browser instance.");
}
}
}
protected virtual void OnCreateBrowser()
{
if (this.Opener != null)
{
return;
}
if (GetState(State.Creating) || GetState(State.Created))
{
throw new InvalidOperationException();
}
SetState(State.Creating, true);
Dictionary <InitialPropertyKeys, object> propertyBag = InitialPropertyBag;
InitialPropertyBag = null;
var wpfwindow = System.Windows.Window.GetWindow(this);
if (wpfwindow == null)
{
throw new InvalidOperationException("Window not found!");
}
using (var windowInfo = new CefWindowInfo())
{
windowInfo.SetAsWindowless(new WindowInteropHelper(wpfwindow).Handle);
string initialUrl = null;
CefDictionaryValue extraInfo = null;
CefRequestContext requestContext = null;
CefBrowserSettings browserSettings = null;
if (propertyBag != null)
{
object value;
if (propertyBag.TryGetValue(InitialPropertyKeys.Url, out value))
{
initialUrl = value as string;
}
if (propertyBag.TryGetValue(InitialPropertyKeys.BrowserSettings, out value))
{
browserSettings = value as CefBrowserSettings;
}
if (propertyBag.TryGetValue(InitialPropertyKeys.RequestContext, out value))
{
requestContext = value as CefRequestContext;
}
if (propertyBag.TryGetValue(InitialPropertyKeys.ExtraInfo, out value))
{
extraInfo = value as CefDictionaryValue;
}
}
if (initialUrl == null)
{
initialUrl = "about:blank";
}
if (browserSettings == null)
{
browserSettings = DefaultBrowserSettings;
}
if (!CefApi.CreateBrowser(windowInfo, ViewGlue.Client, initialUrl, browserSettings, extraInfo, requestContext))
{
throw new InvalidOperationException("Failed to create browser instance.");
}
}
}
/// <summary>
/// 创建cef,并 打开制定的网址
/// </summary>
/// <param name="url"></param>
/// <param name="handlerRequest"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static Task <CookiedCefBrowser> CreateNewWebBrowser(string url, EventHandler <LoadEndEventArgs> handlerRequest, int timeOut = 5000)
{
//验证是否是合法的URL
var isUrl = InPutValidate.IsUrl(url);
if (!isUrl)
{
return(Task.FromResult <CookiedCefBrowser>(null));
}
//使用任务 锁保证事件变为同步
var tcs = new TaskCompletionSource <CookiedCefBrowser>();
// Instruct CEF to not render to a window at all.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsWindowless(IntPtr.Zero, true);
// Settings for the browser window itself (e.g. should JavaScript be enabled?).
var cefBrowserSettings = new CefBrowserSettings();
// Initialize some the cust interactions with the browser process.
// The browser window will be 1280 x 720 (pixels).
var cefClient = new HeadLessCefClient(1, 1);
var loader = cefClient.GetCurrentLoadHandler();
loader.BrowserCreated += (s, e) =>
{
//事件通知 当cef browser 创建完毕
//创建完毕后 保存 browser 对象的实例
var brw = e.Browser;
var etaoBrowser = new CookiedCefBrowser {
CefBrowser = brw, CefLoader = loader, CefClient = cefClient
};
tcs.TrySetResult(etaoBrowser);
};
if (null != handlerRequest)
{
loader.LoadEnd += handlerRequest;
}
////注册 加载完毕事件handler
//loader.LoadEnd += this.OnWebBrowserLoadEnd;
// Start up the browser instance.
// string url = "about:blank";
CefBrowserHost.CreateBrowser(cefWindowInfo, cefClient, cefBrowserSettings, url);
//设定超时
//超时监听
int timeoutMs = timeOut;
var ctoken = new CancellationTokenSource(timeoutMs);
ctoken.Token.Register(() =>
{
var brw = loader.Browser;
var etaoBrowser = new CookiedCefBrowser {
CefBrowser = brw, CefLoader = loader, CefClient = cefClient
};
//超时结果返回空
tcs.TrySetResult(etaoBrowser);
//tcs.TrySetCanceled();
}, useSynchronizationContext: false);
return(tcs.Task);
}
internal static void Main(string[] args)
{
#if false
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
#endif
int bitness = System.IntPtr.Size * 8;
System.Console.WriteLine($"Running as {bitness}-Bit application");
// New idea:
// Chrome v59 now supports headless mode which has some interesting flags.
// Running with --screenshot will produce a file named screenshot.png in the current working directory:
// cd C:\Program Files(x86)\Google\Chrome\Application
// chrome --headless --screenshot https://www.chromestatus.com/
// # Size of a standard letterhead.
// chrome --headless --screenshot --window-size=1280,1696 https://www.chromestatus.com/
// # Nexus 5x
// chrome --headless --screenshot --window-size=412,732 https://www.chromestatus.com/
// https://developers.google.com/web/updates/2017/04/headless-chrome
// The --dump-dom flag prints document.body.innerHTML to stdout:
// chrome --headless --disable-gpu --dump-dom https://www.chromestatus.com/
// The --print-to-pdf flag creates a PDF of the page:
// chrome --headless --disable-gpu --print-to-pdf https://www.chromestatus.com/
// chrome --headless --disable-gpu --repl --crash-dumps-dir=./tmp https://www.chromestatus.com/
// [0608 / 112805.245285:INFO: headless_shell.cc(278)] Type a Javascript expression to evaluate or "quit" to exit.
// >>> location.href
// { "result":{ "type":"string","value":"https://www.chromestatus.com/features"} }
// >>> quit
// CefFiles.DownloadCefForPlatform(@"D:\inetpub\mycef");
// CefFiles.DownloadCefForPlatform(@"/root/Downloads/CEF/download.tar.bz2");
// CefFiles.Cleanup(); return;
// Load CEF. This checks for the correct CEF version.
System.Console.WriteLine("Loading CEF");
CefRuntime.Load();
System.Console.WriteLine("CEF loaded");
// Start the secondary CEF process.
System.Console.WriteLine("New MainArgs");
string[] argv = args;
// https://github.com/dotnet/coreclr/issues/23171
if (CefRuntime.Platform != CefRuntimePlatform.Windows)
{
argv = new string[args.Length + 1];
System.Array.Copy(args, 0, argv, 1, args.Length);
argv[0] = "-";
}
CefMainArgs cefMainArgs = new CefMainArgs(argv);
System.Console.WriteLine("New MainArgs completed");
System.Console.WriteLine("New DemoCefApp ");
DemoCefApp cefApp = new DemoCefApp();
System.Console.WriteLine("New DemoCefApp completed");
System.Console.WriteLine("Before executing process");
// This is where the code path divereges for child processes.
if (CefRuntime.ExecuteProcess(cefMainArgs, cefApp, System.IntPtr.Zero) != -1)
{
System.Console.WriteLine("Could not start the secondary process");
System.Console.Error.WriteLine("Could not start the secondary process.");
}
System.Console.WriteLine("After executing process");
System.Console.WriteLine("Before new CEF-settings");
// Settings for all of CEF (e.g. process management and control).
CefSettings cefSettings = new CefSettings
{
// From v68 SingleProcess is no longer supported and it has to be published.
// So debugging may be a tough situation in that regard unless your had a subprocess.
// SingleProcess = false, // https://github.com/chromelyapps/Chromely/issues/74
MultiThreadedMessageLoop = CefRuntime.Platform == CefRuntimePlatform.Windows,
LogSeverity = CefLogSeverity.Verbose,
LogFile = "cef.log",
ResourcesDirPath = System.IO.Path.GetDirectoryName(new System.Uri(System.Reflection.Assembly.GetEntryAssembly().CodeBase).LocalPath),
RemoteDebuggingPort = 20480,
WindowlessRenderingEnabled = true,
NoSandbox = true,
IgnoreCertificateErrors = true,
CommandLineArgsDisabled = false,
};
System.Console.WriteLine("After new CEF-settings");
System.Console.WriteLine("Before CEF initialize");
// Start the browser process (a child process).
// runtime files to /usr/share/dotnet
CefRuntime.Initialize(cefMainArgs, cefSettings, cefApp, System.IntPtr.Zero);
System.Console.WriteLine("After CEF initialize");
System.Console.WriteLine("Before CEF Window Create");
// Instruct CEF to not render to a window at all.
CefWindowInfo cefWindowInfo = CefWindowInfo.Create();
System.Console.WriteLine("After CEF Window Create");
// cefWindowInfo.SetAsOffScreen(IntPtr.Zero);
cefWindowInfo.WindowlessRenderingEnabled = true;
cefWindowInfo.SetAsWindowless(System.IntPtr.Zero, true);
System.Console.WriteLine("New CefBrowserSettings");
// Settings for the browser window itself (e.g. enable JavaScript?).
CefBrowserSettings cefBrowserSettings = new CefBrowserSettings();
System.Console.WriteLine("After New CefBrowserSettings");
cefBrowserSettings.WebGL = CefState.Disabled;
cefBrowserSettings.WindowlessFrameRate = 30;
/*
* cefBrowserSettings.Plugins = CefState.Disabled;
* cefBrowserSettings.DefaultEncoding = System.Text.Encoding.UTF8.WebName;
* cefBrowserSettings.JavaScriptCloseWindows = CefState.Disabled;
* cefBrowserSettings.JavaScriptAccessClipboard = CefState.Disabled;
* cefBrowserSettings.JavaScriptDomPaste = CefState.Disabled;
* cefBrowserSettings.JavaScript = CefState.Enabled;
*/
// CefRuntime.RunMessageLoop();
System.Console.WriteLine("Before new DemoClient");
// Initialize some the cust interactions with the browser process.
// The browser window will be 1280 x 720 (pixels).
DemoCefClient cefClient = new DemoCefClient(1280, 720);
System.Console.WriteLine("After new DemoClient");
System.Console.WriteLine("Before CreateBrowser");
// Start up the browser instance.
CefBrowserHost.CreateBrowser(
cefWindowInfo,
cefClient,
cefBrowserSettings,
// "https://www.microsoft.com/de-CH"
// "https://google.com"
"http://www.reddit.com/"
);
System.Console.WriteLine("After CreateBrowser");
// Hang, to let the browser to do its work.
System.Console.WriteLine(System.Environment.NewLine);
System.Console.WriteLine(" --- Press a key at any time to end the program. --- ");
System.Console.ReadKey();
System.Console.WriteLine("Before CefShutdown");
// Clean up CEF.
CefRuntime.Shutdown();
System.Console.WriteLine("After CefShutdown");
} // End Sub Main
