public CustomWebView(CefRequestContext requestContext)
{
this.RequestContext = requestContext;
}
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 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);
}
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>
/// Initializes a new instance of the <see cref="CefNetWebClient"/> class.
/// </summary>
/// <param name="context">
/// A request context or null, if <paramref name="context"/> is empty the global
/// request context will be used. For requests originating from the render process
/// this parameter must be null.
/// </param>
/// <param name="encoding">
/// The default <see cref="Encoding"/> that is used to encode strings.
/// If <paramref name="encoding"/> is null then UTF-8 will be used.
/// </param>
/// <param name="flags">Flags used to customize the behavior of request.</param>
public CefNetWebClient(CefRequestContext context, CefUrlRequestFlags flags, Encoding encoding)
{
_context = context;
this.DefaultEncoding = encoding ?? Encoding.UTF8;
this.RequestFlags = flags;
}
public WebViewTab(CefBrowserSettings settings, CefRequestContext requestContext)
: this(new CustomWebView {
RequestContext = requestContext, BrowserSettings = settings
})
{
}