/// <summary>
/// Loads the companion ad into the UI.
/// </summary>
/// <param name="source">Source information for the companion ad</param>
/// <param name="unloadAction">The action to perform when it is time to unload the companion.</param>
/// <returns>An action to undo the loaded companion if successful. Null if not.</returns>
public virtual bool TryLoadCompanion(ICompanionSource source, out Action unloadAction)
{
if ((source.Type == CompanionType.Static))
{
FrameworkElement container = GetCompanionContainer(source);
if (container != null)
{
var companionHost = new CompanionHost();
if (CompanionHostStyle != null)
{
companionHost.Style = CompanionHostStyle;
}
var companionElement = new Image()
{
Source = new BitmapImage(new Uri(source.Content)),
Stretch = Stretch.Fill,
Tag = source
};
companionHost.Content = companionElement;
companionHost.NavigateUri = source.ClickThrough;
companionHost.Tag = source;
if (!string.IsNullOrEmpty(source.AltText))
{
ToolTipService.SetToolTip(companionHost, new ToolTip()
{
Content = source.AltText
});
}
Action unwireViewTrackingAction = null;
if (source.ViewTracking != null && source.ViewTracking.Any())
{
companionElement.ImageOpened += companionElement_ImageOpened;
unwireViewTrackingAction = () => companionElement.ImageOpened -= companionElement_ImageOpened;
}
Action unwireClickTrackingAction = null;
if (source.ClickTracking != null && source.ClickTracking.Any())
{
companionHost.Click += companionHost_Click;
unwireClickTrackingAction = () => companionHost.Click -= companionHost_Click;
}
if (container is Border)
{
((Border)container).Child = companionHost;
unloadAction = () =>
{
if (unwireClickTrackingAction != null)
{
unwireClickTrackingAction();
}
if (unwireViewTrackingAction != null)
{
unwireViewTrackingAction();
}
((Border)container).Child = null;
};
return(true);
}
else if (container is Panel)
{
((Panel)container).Children.Add(companionHost);
unloadAction = () =>
{
if (unwireClickTrackingAction != null)
{
unwireClickTrackingAction();
}
if (unwireViewTrackingAction != null)
{
unwireViewTrackingAction();
}
((Panel)container).Children.Remove(companionHost);
};
return(true);
}
else if (container is ContentControl)
{
((ContentControl)container).Content = companionHost;
unloadAction = () =>
{
if (unwireClickTrackingAction != null)
{
unwireClickTrackingAction();
}
if (unwireViewTrackingAction != null)
{
unwireViewTrackingAction();
}
((ContentControl)container).Content = null;
};
return(true);
}
if (unwireClickTrackingAction != null)
{
unwireClickTrackingAction();
}
if (unwireViewTrackingAction != null)
{
unwireViewTrackingAction();
}
}
}
unloadAction = null;
return(false);
}
/// <summary>
/// Loads the companion ad into the UI.
/// </summary>
/// <param name="source">Source information for the companion ad</param>
/// <param name="unloadAction">The action to perform when it is time to unload the companion.</param>
/// <returns>An action to undo the loaded companion if successful. Null if not.</returns>
public virtual bool TryLoadCompanion(ICompanionSource source, out Action unloadAction)
{
if ((source.Type == CompanionType.Static))
{
FrameworkElement container = GetCompanionContainer(source);
if (container != null)
{
var companionHost = new CompanionHost();
if (CompanionHostStyle != null) companionHost.Style = CompanionHostStyle;
var companionElement = new Image()
{
Source = new BitmapImage(new Uri(source.Content)),
Stretch = Stretch.Fill,
Tag = source
};
companionHost.Content = companionElement;
companionHost.NavigateUri = source.ClickThrough;
companionHost.Tag = source;
if (!string.IsNullOrEmpty(source.AltText))
{
ToolTipService.SetToolTip(companionHost, new ToolTip() { Content = source.AltText });
}
Action unwireViewTrackingAction = null;
if (source.ViewTracking != null && source.ViewTracking.Any())
{
companionElement.ImageOpened += companionElement_ImageOpened;
unwireViewTrackingAction = () => companionElement.ImageOpened -= companionElement_ImageOpened;
}
Action unwireClickTrackingAction = null;
if (source.ClickTracking != null && source.ClickTracking.Any())
{
companionHost.Click += companionHost_Click;
unwireClickTrackingAction = () => companionHost.Click -= companionHost_Click;
}
if (container is Border)
{
((Border)container).Child = companionHost;
unloadAction = () =>
{
if (unwireClickTrackingAction != null) unwireClickTrackingAction();
if (unwireViewTrackingAction != null) unwireViewTrackingAction();
((Border)container).Child = null;
};
return true;
}
else if (container is Panel)
{
((Panel)container).Children.Add(companionHost);
unloadAction = () =>
{
if (unwireClickTrackingAction != null) unwireClickTrackingAction();
if (unwireViewTrackingAction != null) unwireViewTrackingAction();
((Panel)container).Children.Remove(companionHost);
};
return true;
}
else if (container is ContentControl)
{
((ContentControl)container).Content = companionHost;
unloadAction = () =>
{
if (unwireClickTrackingAction != null) unwireClickTrackingAction();
if (unwireViewTrackingAction != null) unwireViewTrackingAction();
((ContentControl)container).Content = null;
};
return true;
}
if (unwireClickTrackingAction != null) unwireClickTrackingAction();
if (unwireViewTrackingAction != null) unwireViewTrackingAction();
}
}
unloadAction = null;
return false;
}