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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /servo/components/style_derive/to_animated_value.rs | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servo/components/style_derive/to_animated_value.rs')
-rw-r--r-- | servo/components/style_derive/to_animated_value.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/servo/components/style_derive/to_animated_value.rs b/servo/components/style_derive/to_animated_value.rs new file mode 100644 index 0000000000..45282f0c44 --- /dev/null +++ b/servo/components/style_derive/to_animated_value.rs @@ -0,0 +1,35 @@ +/* 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/. */ + +use proc_macro2::TokenStream; +use syn::DeriveInput; +use synstructure::BindStyle; +use to_computed_value; + +pub fn derive(input: DeriveInput) -> TokenStream { + let trait_impl = |from_body, to_body| { + quote! { + #[inline] + fn from_animated_value(from: Self::AnimatedValue) -> Self { + #from_body + } + + #[inline] + fn to_animated_value(self) -> Self::AnimatedValue { + #to_body + } + } + }; + + to_computed_value::derive_to_value( + input, + parse_quote!(crate::values::animated::ToAnimatedValue), + parse_quote!(AnimatedValue), + BindStyle::Move, + |_| Default::default(), + |binding| quote!(crate::values::animated::ToAnimatedValue::from_animated_value(#binding)), + |binding| quote!(crate::values::animated::ToAnimatedValue::to_animated_value(#binding)), + trait_impl, + ) +} |