void SetImplicitStyles(ImplicitStyleMask style_mask, Style[] styles)
{
IntPtr styles_array = Marshal.AllocHGlobal(IntPtr.Size * styles.Length);
for (int i = 0; i < styles.Length; i++)
{
Marshal.WriteIntPtr(styles_array, i * IntPtr.Size, styles[i] == null ? IntPtr.Zero : styles[i].native);
}
NativeMethods.framework_element_set_implicit_styles(native, style_mask, styles_array);
}
void get_implicit_styles_cb_safe(IntPtr fwe_ptr, ImplicitStyleMask style_mask, out IntPtr styles_array)
{
styles_array = IntPtr.Zero;
try {
var fwe = NativeDependencyObjectHelper.FromIntPtr(fwe_ptr) as FrameworkElement;
if (fwe != null)
{
get_implicit_styles_cb(fwe, style_mask, out styles_array);
}
} catch (Exception ex) {
try {
Console.WriteLine("Moonlight: Unhandled exception in Application.get_implicit_styles_cb_safe: {0}", ex);
} catch {
}
}
}
void get_implicit_styles_cb(FrameworkElement fwe, ImplicitStyleMask style_mask, out IntPtr styles_array)
{
Type fwe_type = fwe.GetType();
string fwe_type_string = fwe_type.ToString();
Style generic_xaml_style = null;
Style app_resources_style = null;
Style visual_tree_style = null;
if ((style_mask & ImplicitStyleMask.GenericXaml) != 0)
{
// start with the lowest priority, the
// generic.xaml style, only valid for
// controls, as it requires DefaultStyleKey.
Control control = fwe as Control;
if (control != null)
{
Type style_key = control.DefaultStyleKey as Type;
if (style_key != null)
{
generic_xaml_style = GetGenericXamlStyleFor(style_key);
}
}
}
if ((style_mask & ImplicitStyleMask.ApplicationResources) != 0)
{
// next try the application's resources.
// these affect all framework elements,
// whether inside templates or out.
app_resources_style = (Style)Resources[fwe_type];
if (app_resources_style == null)
{
app_resources_style = (Style)Resources[fwe_type_string];
}
}
if ((style_mask & ImplicitStyleMask.VisualTree) != 0)
{
// highest priority, the visual tree
FrameworkElement el = fwe;
bool fwe_is_control = fwe is Control;
while (el != null)
{
// if the frameworkelement was defined outside of a template and we hit a containing
// template (e.g. if the FWE is in the Content of a ContentControl) we need to skip
// the intervening elements in the visual tree, until we hit more user elements.
if (el.TemplateOwner != null && fwe.TemplateOwner == null)
{
el = el.TemplateOwner as FrameworkElement;
continue;
}
// for non-controls, we limit the implicit style scope to that of the template.
if (!fwe_is_control && el == fwe.TemplateOwner)
{
break;
}
visual_tree_style = (Style)el.Resources[fwe_type];
if (visual_tree_style != null)
{
break;
}
visual_tree_style = (Style)el.Resources[fwe_type_string];
if (visual_tree_style != null)
{
break;
}
el = VisualTreeHelper.GetParent(el) as FrameworkElement;
}
}
styles_array = Marshal.AllocHGlobal((int)ImplicitStyleIndex.Count * IntPtr.Size);
Marshal.WriteIntPtr(styles_array, (int)ImplicitStyleIndex.GenericXaml * IntPtr.Size, (generic_xaml_style != null) ? generic_xaml_style.native : IntPtr.Zero);
Marshal.WriteIntPtr(styles_array, (int)ImplicitStyleIndex.ApplicationResources * IntPtr.Size, (app_resources_style != null) ? app_resources_style.native : IntPtr.Zero);
Marshal.WriteIntPtr(styles_array, (int)ImplicitStyleIndex.VisualTree * IntPtr.Size, (visual_tree_style != null) ? visual_tree_style.native : IntPtr.Zero);
}
void ClearImplicitStyles(ImplicitStyleMask style_mask)
{
NativeMethods.framework_element_clear_implicit_styles(native, style_mask);
}
void get_implicit_styles_cb (FrameworkElement fwe, ImplicitStyleMask style_mask, out IntPtr styles_array)
{
Type fwe_type = fwe.GetType();
string fwe_type_string = fwe_type.ToString();
Style generic_xaml_style = null;
Style app_resources_style = null;
Style visual_tree_style = null;
if ((style_mask & ImplicitStyleMask.GenericXaml) != 0) {
// start with the lowest priority, the
// generic.xaml style, only valid for
// controls, as it requires DefaultStyleKey.
Control control = fwe as Control;
if (control != null) {
Type style_key = control.DefaultStyleKey as Type;
if (style_key != null) {
generic_xaml_style = GetGenericXamlStyleFor (style_key);
}
}
}
if ((style_mask & ImplicitStyleMask.ApplicationResources) != 0) {
// next try the application's resources.
// these affect all framework elements,
// whether inside templates or out.
app_resources_style = (Style)Resources[fwe_type];
if (app_resources_style == null)
app_resources_style = (Style)Resources[fwe_type_string];
}
if ((style_mask & ImplicitStyleMask.VisualTree) != 0) {
// highest priority, the visual tree
FrameworkElement el = fwe;
bool fwe_is_control = fwe is Control;
while (el != null) {
// if the frameworkelement was defined outside of a template and we hit a containing
// template (e.g. if the FWE is in the Content of a ContentControl) we need to skip
// the intervening elements in the visual tree, until we hit more user elements.
if (el.TemplateOwner != null && fwe.TemplateOwner == null) {
el = el.TemplateOwner as FrameworkElement;
continue;
}
// for non-controls, we limit the implicit style scope to that of the template.
if (!fwe_is_control && el == fwe.TemplateOwner)
break;
visual_tree_style = (Style)el.Resources[fwe_type];
if (visual_tree_style != null)
break;
visual_tree_style = (Style)el.Resources[fwe_type_string];
if (visual_tree_style != null)
break;
el = VisualTreeHelper.GetParent (el) as FrameworkElement;
}
}
styles_array = Marshal.AllocHGlobal ((int)ImplicitStyleIndex.Count * IntPtr.Size);
Marshal.WriteIntPtr (styles_array, (int)ImplicitStyleIndex.GenericXaml * IntPtr.Size, (generic_xaml_style != null) ? generic_xaml_style.native : IntPtr.Zero);
Marshal.WriteIntPtr (styles_array, (int)ImplicitStyleIndex.ApplicationResources * IntPtr.Size, (app_resources_style != null) ? app_resources_style.native : IntPtr.Zero);
Marshal.WriteIntPtr (styles_array, (int)ImplicitStyleIndex.VisualTree * IntPtr.Size, (visual_tree_style != null) ? visual_tree_style.native : IntPtr.Zero);
}
void get_implicit_styles_cb_safe (IntPtr fwe_ptr, ImplicitStyleMask style_mask, out IntPtr styles_array)
{
styles_array = IntPtr.Zero;
try {
var fwe = NativeDependencyObjectHelper.FromIntPtr (fwe_ptr) as FrameworkElement;
if (fwe != null)
get_implicit_styles_cb (fwe, style_mask, out styles_array);
} catch (Exception ex) {
try {
Console.WriteLine ("Moonlight: Unhandled exception in Application.get_implicit_styles_cb_safe: {0}", ex);
} catch {
}
}
}
