/// <summary>Constructor.</summary>
static GlobalEvents()
{
// Setup initial conditions.
windowResizeDelay = new DelayedAction(ResizeDelay, FireWindowResizeComplete);
panelResizeDelay = new DelayedAction(ResizeDelay, FirePanelResizeComplete);
// Bind to window resize.
jQuery.OnDocumentReady(delegate
{
jQuery.Window.Bind(DomEvents.Resize, delegate(jQueryEvent e) { FireWindowResize(); });
});
// Wire up events.
WindowResize += delegate { windowResizeDelay.Start(); };
PanelResized += delegate { panelResizeDelay.Start(); };
}
/// <summary>Downloads the resources defined for the package.</summary>
/// <param name="onScriptsDownloaded">Invoked when the scripts have completed downloading.</param>
/// <param name="onTimedOut">Invoked when/if the operation times out (NB: 'onScriptsDownloaded' is never called if the operation times out).</param>
protected void DownloadInternal(Action onScriptsDownloaded, Action onTimedOut)
{
// Setup initial conditions.
TimedOut = false;
IsLoading = true;
// Insert resources.
InsertCssLinks();
// TODO - Extend to include all resource types (images + CSS).
// Setup failure timeout.
DelayedAction timeout = new DelayedAction(DownloadTimeout, delegate
{
TimedOut = true;
IsLoading = false;
Helper.Invoke(onTimedOut);
});
timeout.Start();
// Download the scripts
DownloadScripts(delegate
{
if (!TimedOut) // Only invoke if the timeout hasn't elapsed before this callback.
{
Helper.Invoke(onScriptsDownloaded);
}
timeout.Dispose();
IsLoading = false;
});
}
/// <summary>Invokes the given action after the specified delay.</summary>
/// <param name="delay">The delay (in seconds) before invoking the action.</param>
/// <param name="action">The action to invoke.</param>
/// <remarks>Returns the 'DelayedAction' used to invoke the method (can be used to cancel the delayed invoke operation).</remarks>
public static DelayedAction Invoke(double delay, Action action)
{
DelayedAction delayedAction = new DelayedAction(delay, action);
delayedAction.Start();
return delayedAction;
}
