1 files changed, 27 insertions, 0 deletions
diff --git a/servo/components/style/values/animated/effects.rs b/servo/components/style/values/animated/effects.rs
new file mode 100644
index 0000000000..67557e54b7
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+++ b/servo/components/style/values/animated/effects.rs
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+//! Animated types for CSS values related to effects.
+
+use crate::values::animated::color::Color;
+use crate::values::computed::length::Length;
+#[cfg(feature = "gecko")]
+use crate::values::computed::url::ComputedUrl;
+use crate::values::computed::{Angle, Number};
+use crate::values::generics::effects::Filter as GenericFilter;
+use crate::values::generics::effects::SimpleShadow as GenericSimpleShadow;
+#[cfg(not(feature = "gecko"))]
+use crate::values::Impossible;
+
+/// An animated value for the `drop-shadow()` filter.
+pub type AnimatedSimpleShadow = GenericSimpleShadow<Color, Length, Length>;
+
+/// An animated value for a single `filter`.
+#[cfg(feature = "gecko")]
+pub type AnimatedFilter =
+    GenericFilter<Angle, Number, Number, Length, AnimatedSimpleShadow, ComputedUrl>;
+
+/// An animated value for a single `filter`.
+#[cfg(not(feature = "gecko"))]
+pub type AnimatedFilter = GenericFilter<Angle, Number, Number, Length, Impossible, Impossible>;