internal CefGlueWPFWebWindow()
{
_WpfCefBrowser = new WpfCefBrowser()
{
Visibility = Visibility.Hidden,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
ContextMenu = new ContextMenu() { Visibility = Visibility.Collapsed }
};
}
public WpfCefClient(WpfCefBrowser owner)
{
if (owner == null) throw new ArgumentNullException("owner");
_owner = owner;
_lifeSpanHandler = new WpfCefLifeSpanHandler(owner);
_displayHandler = new WpfCefDisplayHandler(owner);
_renderHandler = new WpfCefRenderHandler(owner, new NLogLogger("WpfCefRenderHandler"), new UiHelper(new NLogLogger("WpfCefRenderHandler")));
}
public WpfCefClient(WpfCefBrowser owner)
{
if (owner == null) throw new ArgumentNullException("owner");
_owner = owner;
_lifeSpanHandler = new WpfCefLifeSpanHandler(owner);
_displayHandler = new WpfCefDisplayHandler(owner);
_CefNoContextMenuHandler = new CefNoContextMenuHandler();
_renderHandler = new WpfCefRenderHandler(owner, Logger.Log, new UiHelper(Logger.Log));
_loadHandler = new WpfCefLoadHandler(owner);
}
internal CefGlueWPFWebWindow(NeutroniumCefApp app)
{
_WpfCefBrowser = new WpfCefBrowser(app)
{
Visibility = Visibility.Hidden,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
ContextMenu = new ContextMenu()
{
Visibility = Visibility.Collapsed
}
};
}
public WpfCefRenderHandler(WpfCefBrowser owner, ILogger logger, IUiHelper uiHelper)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (uiHelper == null)
{
throw new ArgumentNullException("uiHelper");
}
_owner = owner;
_logger = logger;
_uiHelper = uiHelper;
}
public WpfCefLoadHandler(WpfCefBrowser owner)
{
this._owner = owner;
}
public WpfCefDisplayHandler(WpfCefBrowser owner)
{
if (owner == null) throw new ArgumentNullException("owner");
_owner = owner;
}
internal void Associate(CefBrowser browser, WpfCefBrowser wpfBrowser)
{
_Browsers.Add(browser.Identifier, wpfBrowser);
}
private void Switch(Task<IHTMLBinding> iBinding, HTMLLogicWindow iwindow, TaskCompletionSource<IHTMLBinding> tcs)
{
object oldvm = (Binding != null) ? Binding.Root : null;
Binding = iBinding.Result;
if (_CurrentWebControl!=null)
{
_CurrentWebControl.ConsoleMessage -= ConsoleMessage;
_IWebViewLifeCycleManager.Dispose(_CurrentWebControl);
}
else if (OnFirstLoad != null)
OnFirstLoad(this, EventArgs.Empty);
_CurrentWebControl = _NextWebControl;
_NextWebControl = null;
//_CurrentWebControl.Crashed += Crashed;
_IWebViewLifeCycleManager.Display(_CurrentWebControl);
_Window = iwindow;
_Window.State = WindowLogicalState.Opened;
_Window.OpenAsync().ContinueWith(t => EndAnimation(Binding.Root));
_Navigating = false;
var inav = _UseINavigable ? Binding.Root as INavigable : null;
if (inav != null)
inav.Navigation = this;
FireNavigate(Binding.Root, oldvm);
if (tcs != null) tcs.SetResult(Binding);
}
private void CleanWebControl(ref WpfCefBrowser iWebControl)
{
if (iWebControl == null)
return;
//iWebControl.Crashed -= Crashed;
iWebControl.ConsoleMessage -= ConsoleMessage;
_IWebViewLifeCycleManager.Dispose(iWebControl);
iWebControl = null;
}
//private void Crashed(object sender, CrashedEventArgs e)
//{
// if ((WebCore.IsShuttingDown) || (!WebCore.IsInitialized) || (Application.Current==null))
// return;
// var dest = _CurrentWebControl.Source;
// var vm = Binding.Root;
// LogCritical("WebView crashed trying recover");
// _IWebViewLifeCycleManager.Dispose(_CurrentWebControl);
// _CurrentWebControl.ConsoleMessage -= ConsoleMessage;
// _CurrentWebControl.Crashed -= Crashed;
// _CurrentWebControl = null;
// Binding = null;
// WebCore.QueueWork(() => Navigate(dest, vm, JavascriptBindingMode.TwoWay));
//}
public Task Navigate(string iUri, object iViewModel, JavascriptBindingMode iMode = JavascriptBindingMode.TwoWay)
{
if (iUri == null)
throw ExceptionHelper.GetArgument(string.Format("ViewModel not registered: {0}", iViewModel.GetType()));
_Navigating = true;
INavigable oldvm = (Binding != null) ? Binding.Root as INavigable : null;
if (_UseINavigable && (oldvm!=null))
{
oldvm.Navigation = null;
}
var wh = new WindowHelper(new HTMLLogicWindow());
//if (_CurrentWebControl != null)
// _CurrentWebControl.Crashed -= Crashed;
Task closetask = ( _CurrentWebControl!=null) ? _Window.CloseAsync() : TaskHelper.Ended();
_NextWebControl = _IWebViewLifeCycleManager.Create();
_NextWebControl.ConsoleMessage += ConsoleMessage;
TaskCompletionSource<IHTMLBinding> tcs = new TaskCompletionSource<IHTMLBinding>();
EventHandler<LoadEndEventArgs> sourceupdate = null;
sourceupdate = (o, e) =>
{
_NextWebControl.LoadEnd -= sourceupdate;
HTML_Binding.Bind(_NextWebControl, iViewModel, iMode, wh).
WaitWith(closetask, t => Switch(t, wh.__window__, tcs));
};
_NextWebControl.LoadEnd += sourceupdate;
_NextWebControl.NavigateTo(iUri);
return tcs.Task;
}
internal void Associate(CefBrowser browser, WpfCefBrowser wpfBrowser)
{
_Browsers.Add(browser.Identifier, wpfBrowser);
}
public WpfCefLoadHandler(WpfCefBrowser owner)
{
this._owner = owner;
}
void IWebViewLifeCycleManager.Dispose(WpfCefBrowser ioldwebview)
{
//var wb = (ioldwebview as WebControl);
ioldwebview.Visibility = Visibility.Hidden;
//if (!ioldwebview.IsCrashed)
//{
// ioldwebview.Source = new Uri("about:blank");
//}
//WebCore.ShuttingDown -= WebCore_ShuttingDown;
this.MainGrid.Children.Remove(ioldwebview);
ioldwebview.Dispose();
}
//private void WebCore_ShuttingDown(object sender, CoreShutdownEventArgs e)
//{
// //It is possible that webcore is shutting because the window is closing
// //In this case I don't have to raise a session error
// if (Application.Current == null)
// {
// e.Cancel = true;
// return;
// }
// _IWebSessionWatcher.LogCritical("Critical: WebCore ShuttingDown!!");
// Trace.WriteLine(string.Format("MVVM for awesomium: WebCoreShutting Down exception: {0}", e.Exception));
// _IWebSessionWatcher.OnSessionError(e.Exception, () => e.Cancel = true);
//}
void IWebViewLifeCycleManager.Display(WpfCefBrowser webview)
{
webview.Visibility = Visibility.Visible;
}
WpfCefBrowser IWebViewLifeCycleManager.Create()
{
//if (_Session == null)
//{
// _Session = (_WebSessionPath != null) ? WebCore.CreateWebSession(_WebSessionPath, new WebPreferences()) :
// WebCore.CreateWebSession(new WebPreferences());
// WebCore.ShuttingDown += WebCore_ShuttingDown;
//}
WpfCefBrowser nw = new WpfCefBrowser()
{
Visibility = Visibility.Hidden,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
ContextMenu = new ContextMenu() { Visibility = Visibility.Collapsed }
};
Grid.SetColumnSpan(nw, 2);
Grid.SetRowSpan(nw, 2);
Panel.SetZIndex(nw, 0);
this.MainGrid.Children.Add(nw);
return nw;
}
