/// <summary>
/// Create a new texture renderer.
/// </summary>
/// <param name="logger">The logger to log to.</param>
/// <param name="frameRate">
/// The maximum rate in frames per second (fps) that CefRenderHandler::OnPaint will
/// be called for a windowless browser. The actual fps may be lower if the browser
/// cannot generate frames at the requested rate. The minimum value is 1 and the
/// maximum value is 60 (default 30).
/// </param>
public HTMLTextureRenderer(ILogger logger, int frameRate)
{
Logger = logger;
FrameRate = VMath.Clamp(frameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
FLoaded = false;
var settings = new CefBrowserSettings();
settings.FileAccessFromFileUrls = CefState.Enabled;
settings.Plugins = CefState.Enabled;
settings.RemoteFonts = CefState.Enabled;
settings.UniversalAccessFromFileUrls = CefState.Enabled;
settings.WebGL = CefState.Enabled;
settings.WebSecurity = CefState.Disabled;
settings.WindowlessFrameRate = frameRate;
var windowInfo = CefWindowInfo.Create();
windowInfo.SetAsWindowless(IntPtr.Zero, true);
FWebClient = new WebClient(this);
// See http://magpcss.org/ceforum/viewtopic.php?f=6&t=5901
// We need to maintain different request contexts in order to have different zoom levels
// See https://bitbucket.org/chromiumembedded/cef/issues/1314
var rcSettings = new CefRequestContextSettings()
{
IgnoreCertificateErrors = true
};
FRequestContext = CefRequestContext.CreateContext(rcSettings, new WebClient.RequestContextHandler());
CefBrowserHost.CreateBrowser(windowInfo, FWebClient, settings, FRequestContext);
// Block until browser is created
FBrowserAttachedEvent.WaitOne();
}
private void CreateBrowser()
{
var windowInfo = CefWindowInfo.Create();
windowInfo.SetTransparentPainting(true);
windowInfo.SetAsOffScreen(IntPtr.Zero);
windowInfo.Width = this.Width;
windowInfo.Height = this.Height;
var browserSettings = new CefBrowserSettings
{
AcceleratedCompositing = CefState.Disabled,
FileAccessFromFileUrls = CefState.Enabled,
Java = CefState.Disabled,
JavaScriptAccessClipboard = CefState.Disabled,
JavaScriptCloseWindows = CefState.Disabled,
WebGL = CefState.Disabled,
};
CefBrowserHost.CreateBrowser(
client: this,
windowInfo: windowInfo,
settings: browserSettings,
requestContext: CefRequestContext.CreateContext(new RequestContextHandler(this.CookieDirectory)));
}
protected override void OnHandleCreated(EventArgs e)
{
if (DesignMode)
{
if (!_handleCreated)
{
Paint += PaintInDesignMode;
}
}
else
{
var windowInfo = CefWindowInfo.Create();
windowInfo.SetAsChild(Handle, new CefRectangle {
X = 0, Y = 0, Width = Width, Height = Height
});
var client = CreateWebClient();
var settings = BrowserSettings;
if (settings == null)
{
settings = new CefBrowserSettings();
settings.AcceptLanguageList = "zh-CN"; //设置默认为;
settings.FileAccessFromFileUrls = CefState.Enabled; // CefCommandLine.Create("allow-access-from.file");
settings.UniversalAccessFromFileUrls = CefState.Enabled;
settings.ApplicationCache = CefState.Enabled;
settings.JavaScript = CefState.Enabled;
settings.JavaScriptAccessClipboard = CefState.Enabled;
settings.JavaScriptDomPaste = CefState.Enabled;
settings.LocalStorage = CefState.Enabled;
settings.WebGL = CefState.Disabled;
settings.Databases = CefState.Enabled;
settings.ImageLoading = CefState.Enabled;
settings.WebSecurity = CefState.Enabled;
settings.JavaScriptCloseWindows = CefState.Enabled;
settings.DefaultEncoding = "UTF8";
settings.ImageLoading = CefState.Enabled;
settings.ImageShrinkStandaloneToFit = CefState.Enabled;
}
//判断隔离独立页面的Cookie
if (multiUsersMode)
{
tabIndexNumber++;
CefRequestContextSettings contextSettings = new CefRequestContextSettings();
contextSettings.PersistSessionCookies = false;
contextSettings.PersistUserPreferences = true;
contextSettings.AcceptLanguageList = "zh-CN";
contextSettings.IgnoreCertificateErrors = true;
CefWebRequestContextHandler requestContextHandler = new CefWebRequestContextHandler();
CefRequestContext requestContext = CefRequestContext.CreateContext(contextSettings, requestContextHandler);
CefBrowserHost.CreateBrowser(windowInfo, client, settings, StartUrl, null, requestContext); //隔离Cookie
contextSettings = null;
requestContext = null;
GC.Collect();
}
else
{
//CefRequestContextSettings contextSettings = new CefRequestContextSettings();
//contextSettings.PersistSessionCookies = true;
//contextSettings.PersistUserPreferences = true;
//contextSettings.CachePath = GetAppDir("Cache");
//contextSettings.AcceptLanguageList = "zh-CN";
//// contextSettings.EnableNetSecurityExpiration = false;
//contextSettings.IgnoreCertificateErrors = true;
//CefWebRequestContextHandler requestContextHandler = new CefWebRequestContextHandler();
//CefRequestContext requestContext = CefRequestContext.CreateContext(contextSettings, requestContextHandler);
//CefBrowserHost.CreateBrowser(windowInfo, client, settings, StartUrl, null, requestContext);
//contextSettings = null;
//requestContext = null;
//GC.Collect();
CefBrowserHost.CreateBrowser(windowInfo, client, settings, StartUrl);
}
windowInfo = null;
client = null;
settings = null;
GC.Collect();
}
_handleCreated = true;
base.OnHandleCreated(e);
}