private void ApplyUnapplyExtensionServer(ExtensionManager extensionManager, bool shouldApply,
ExtensionServer server)
{
if (shouldApply)
{
// add extensions
foreach (Extension ext in extensionManager.CreateExtensions(server, this))
{
_extensions.Add(new ExtensionEntry(ext, server));
}
}
else
{
// remove extensions
_extensions.RemoveAll(
delegate(ExtensionEntry entry)
{
if (entry.Server == server)
{
server.RemoveExtension(entry.Extension);
return(true);
}
else
{
return(false);
}
});
}
}
/// <summary/>
protected override void OnInitialized()
{
base.OnInitialized();
_a = Context.Services.ExtensionManager.GetExtensionServer(new ExtensionServerAttribute(typeof(A)));
_b = Context.Services.ExtensionManager.GetExtensionServer(new ExtensionServerAttribute(typeof(B)));
_a.ShouldApplyExtensionsInvalidated += OnShouldApplyExtensionsInvalidated;
_b.ShouldApplyExtensionsInvalidated += OnShouldApplyExtensionsInvalidated;
}
internal void ReapplyExtensionServer(ExtensionManager extensionManager, ExtensionServer server)
{
Debug.Assert(_extensionServers != null);
for (int i = 0; i < _extensionServers.Length; i++)
{
if (_extensionServers[i] == server)
{
bool shouldApply = server.ShouldApplyExtensions(this);
if (shouldApply != _extensionServerIsApplied[i])
{
_extensionServerIsApplied[i] = shouldApply;
ApplyUnapplyExtensionServer(extensionManager, shouldApply, server);
}
}
}
}
public ExtensionEntry(Extension extension, ExtensionServer server)
{
this.Extension = extension;
this.Server = server;
}
