public static IRawElementProviderFragment GetProvider (Component component,
bool initialize,
bool forceInitializeChildren)
{
if (component == null)
//FIXME: we should throw new ArgumentNullException ("component");
return null;
// First check if we've seen this component before
IRawElementProviderFragment provider = FindProvider (component);
if (provider != null)
return provider;
// Send a WndProc message to see if the control
// implements it's own provider.
if (component is SWF.Control
// Sending WndProc to a form is broken for some reason
&& !(component is SWF.Form)) {
SWF.Control control = component as SWF.Control;
IRawElementProviderSimple simpleProvider;
IntPtr result;
result = SWF.NativeWindow.WndProc (control.Handle, SWF.Msg.WM_GETOBJECT,
IntPtr.Zero,
new IntPtr (AutomationInteropProvider.RootObjectId));
if (result != IntPtr.Zero) {
simpleProvider = AutomationInteropProvider
.RetrieveAndDeleteProvider (result);
provider = simpleProvider as IRawElementProviderFragment;
if (provider == null)
provider = new FragmentControlProviderWrapper (component, simpleProvider);
}
}
ComponentProviderMapperHandler handler = null;
Type providerType = null;
if (provider == null) {
Type typeIter = component.GetType ();
// Chain up the type hierarchy until we find
// either a type or handler for mapping, or we
// hit Control or Component.
do {
// First see if there's a mapping handler
if (componentProviderMappers.TryGetValue (typeIter,
out handler))
break;
// Next, see if we have a type mapping
if (providerComponentMap.TryGetValue (typeIter,
out providerType))
break;
typeIter = typeIter.BaseType;
} while (typeIter != null
&& typeIter != typeof (System.ComponentModel.Component)
&& typeIter != typeof (SWF.Control));
}
if (handler != null) {
provider = handler (component);
}
// Create the provider if we found a mapping type
if (provider == null) {
// We meet a unknown custom control type,
// then we count it as a Pane
if (providerType == null) {
var dialog = component as SWF.CommonDialog;
if (dialog != null)
return GetProvider (dialog.form,
initialize, forceInitializeChildren);
providerType = typeof (PaneProvider);
}
try {
provider = (FragmentControlProvider)
Activator.CreateInstance (providerType,
new object [] { component });
} catch (MissingMethodException) {
Log.Error (
"Provider {0} does not have a valid single parameter constructor to handle {1}.",
providerType, component.GetType ()
);
return null;
}
}
if (provider != null) {
// TODO: Abstract this out?
if (component is SWF.Form) {
formProviders.Add ((IRawElementProviderFragmentRoot) provider);
}
// TODO: Make tracking in dictionary optional
componentProviders [component] = provider;
if (provider is FragmentControlProvider) {
FragmentControlProvider frag = (FragmentControlProvider) provider;
if (initialize)
frag.Initialize ();
if (forceInitializeChildren)
frag.InitializeChildControlStructure ();
}
} else {
//FIXME: let's not throw while we are developing, a big WARNING will suffice
//throw new NotImplementedException ("Provider not implemented for control " + component.GetType().Name);
Log.Warn ("Provider not implemented for component " + component.GetType ());
return null;
}
return provider;
}
public static IRawElementProviderFragment GetProvider(Component component,
bool initialize,
bool forceInitializeChildren)
{
if (component == null)
{
//FIXME: we should throw new ArgumentNullException ("component");
return(null);
}
// First check if we've seen this component before
IRawElementProviderFragment provider = FindProvider(component);
if (provider != null)
{
return(provider);
}
// Send a WndProc message to see if the control
// implements it's own provider.
if (component is SWF.Control
// Sending WndProc to a form is broken for some reason
&& !(component is SWF.Form))
{
SWF.Control control = component as SWF.Control;
IRawElementProviderSimple simpleProvider;
IntPtr result;
result = SWF.NativeWindow.WndProc(control.Handle, SWF.Msg.WM_GETOBJECT,
IntPtr.Zero,
new IntPtr(AutomationInteropProvider.RootObjectId));
if (result != IntPtr.Zero)
{
simpleProvider = AutomationInteropProvider
.RetrieveAndDeleteProvider(result);
provider = simpleProvider as IRawElementProviderFragment;
if (provider == null)
{
provider = new FragmentControlProviderWrapper(component, simpleProvider);
}
}
}
ComponentProviderMapperHandler handler = null;
Type providerType = null;
if (provider == null)
{
Type typeIter = component.GetType();
// Chain up the type hierarchy until we find
// either a type or handler for mapping, or we
// hit Control or Component.
do
{
// First see if there's a mapping handler
if (componentProviderMappers.TryGetValue(typeIter,
out handler))
{
break;
}
// Next, see if we have a type mapping
if (providerComponentMap.TryGetValue(typeIter,
out providerType))
{
break;
}
typeIter = typeIter.BaseType;
} while (typeIter != null &&
typeIter != typeof(System.ComponentModel.Component) &&
typeIter != typeof(SWF.Control));
}
if (handler != null)
{
provider = handler(component);
}
// Create the provider if we found a mapping type
if (provider == null)
{
// We meet a unknown custom control type,
// then we count it as a Pane
if (providerType == null)
{
var dialog = component as SWF.CommonDialog;
if (dialog != null)
{
return(GetProvider(dialog.form,
initialize, forceInitializeChildren));
}
providerType = typeof(PaneProvider);
}
try {
provider = (FragmentControlProvider)
Activator.CreateInstance(providerType,
new object [] { component });
} catch (MissingMethodException) {
Log.Error(
"Provider {0} does not have a valid single parameter constructor to handle {1}.",
providerType, component.GetType()
);
return(null);
}
}
if (provider != null)
{
// TODO: Abstract this out?
if (component is SWF.Form)
{
formProviders.Add((IRawElementProviderFragmentRoot)provider);
}
// TODO: Make tracking in dictionary optional
componentProviders [component] = provider;
if (provider is FragmentControlProvider)
{
FragmentControlProvider frag = (FragmentControlProvider)provider;
if (initialize)
{
frag.Initialize();
}
if (forceInitializeChildren)
{
frag.InitializeChildControlStructure();
}
}
}
else
{
//FIXME: let's not throw while we are developing, a big WARNING will suffice
//throw new NotImplementedException ("Provider not implemented for control " + component.GetType().Name);
Log.Warn("Provider not implemented for component " + component.GetType());
return(null);
}
return(provider);
}