private protected override void WriteHeaderClassStart(HeaderBuilder builder, IAnimatedVisualSourceInfo info, string inherits)
{
builder.Preamble.WriteLine($"{(info.Public ? "public " : string.Empty)}class {SourceClassName}");
builder.Preamble.Indent();
builder.Preamble.WriteLine($": public winrt::implements<{SourceClassName}, winrt::{inherits}>");
builder.Preamble.UnIndent();
}
private protected override void WriteHeaderClassStart(HeaderBuilder builder, IAnimatedVisualSourceInfo info, string inherits)
{
// NOTE: the CX class is always made public. This is necessary to allow CX
// XAML projects to compile (the XAML compiler can't find the metadata for the
// class if it isn't made public).
builder.Preamble.WriteLine($"public ref class {SourceClassName} sealed");
builder.Preamble.Indent();
builder.Preamble.WriteLine($": public {inherits}");
builder.Preamble.UnIndent();
}
private protected override void WriteThemeHeader(HeaderBuilder builder)
{
// Add a field to hold the theme property set.
builder.Private.WriteLine($"{Wuc}::{T.CompositionPropertySet} {SourceInfo.ThemePropertiesFieldName}{{ nullptr }};");
builder.Internal.WriteComment("Theme properties.");
var hasColorProperty = false;
// Add fields and proeprty declarations for each of the theme properties.
foreach (var prop in SourceInfo.SourceMetadata.PropertyBindings)
{
hasColorProperty |= prop.ExposedType == PropertySetValueType.Color;
if (SourceInfo.GenerateDependencyObject)
{
builder.Private.WriteLine($"static {WinUINamespace}::Xaml::DependencyProperty^ _{S.CamelCase(prop.BindingName)}Property;");
builder.Private.WriteLine($"static void On{prop.BindingName}Changed({WinUINamespace}::Xaml::DependencyObject^ d, {WinUINamespace}::Xaml::DependencyPropertyChangedEventArgs^ e);");
builder.Internal.WriteLine($"static {WinUINamespace}::Xaml::DependencyProperty^ {prop.BindingName}Property();");
builder.Internal.WriteLine();
}
else
{
var exposedTypeName = QualifiedTypeName(prop.ExposedType);
WriteInitializedField(builder.Private, exposedTypeName, $"_theme{prop.BindingName}", S.VariableInitialization($"c_theme{prop.BindingName}"));
}
builder.Internal.WriteLine($"property {QualifiedTypeName(prop.ExposedType)} {prop.BindingName}");
builder.Internal.OpenScope();
builder.Internal.WriteLine($"{QualifiedTypeName(prop.ExposedType)} get();");
builder.Internal.WriteLine($"void set ({QualifiedTypeName(prop.ExposedType)} value);");
builder.Internal.CloseScope();
builder.Internal.WriteLine();
}
builder.Private.WriteLine();
builder.Private.WriteLine($"{Wuc}::{T.CompositionPropertySet} EnsureThemeProperties({Wuc}::{T.Compositor} compositor);");
builder.Private.WriteLine();
if (hasColorProperty)
{
var b = IsInterfaceCustom ? builder.Internal : builder.Private;
b.WriteLine($"static Windows::Foundation::Numerics::float4 ColorAsVector4({WinUINamespace}::Color color);");
b.WriteLine();
}
}
private protected override void WriteThemeHeader(HeaderBuilder builder)
{
// Add a field to hold the theme property set.
builder.Private.WriteLine($"winrt::{Wuc}::{T.CompositionPropertySet} {SourceInfo.ThemePropertiesFieldName}{{ nullptr }};");
// Add fields for each of the theme properties.
foreach (var prop in SourceInfo.SourceMetadata.PropertyBindings)
{
if (SourceInfo.GenerateDependencyObject)
{
builder.Private.WriteLine($"static {WinUINamespace}::Xaml::DependencyProperty^ _{prop.BindingName}Property;");
builder.Private.WriteLine($"static void On{prop.BindingName}Changed({WinUINamespace}::Xaml::DependencyObject^ d, {WinUINamespace}::Xaml::DependencyPropertyChangedEventArgs^ e);");
}
else
{
var exposedTypeName = QualifiedTypeName(prop.ExposedType);
var initialValue = prop.ExposedType switch
{
PropertySetValueType.Color => S.ColorArgs((WinCompData.Wui.Color)prop.DefaultValue),
PropertySetValueType.Scalar => S.Float((float)prop.DefaultValue),
PropertySetValueType.Vector2 => S.Vector2Args((Vector2)prop.DefaultValue),
PropertySetValueType.Vector3 => S.Vector3Args((Vector3)prop.DefaultValue),
PropertySetValueType.Vector4 => S.Vector4Args((Vector4)prop.DefaultValue),
_ => throw new InvalidOperationException(),
};
WriteInitializedField(builder.Private, exposedTypeName, $"_theme{prop.BindingName}", S.VariableInitialization(initialValue));
}
}
builder.Private.WriteLine();
builder.Private.WriteLine($"winrt::{Wuc}::{T.CompositionPropertySet} EnsureThemeProperties(winrt::{Wuc}::{T.Compositor} compositor);");
builder.Private.WriteLine();
// Write properties declarations for each themed property.
foreach (var prop in SourceInfo.SourceMetadata.PropertyBindings)
{
builder.Internal.WriteLine($"{QualifiedTypeName(prop.ExposedType)} {prop.BindingName}();");
builder.Internal.WriteLine($"void {prop.BindingName}({QualifiedTypeName(prop.ExposedType)} value);");
}
builder.Internal.WriteLine();
}
