1471 lines
55 KiB
Rust
1471 lines
55 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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// `data` comes from components/style/properties.mako.rs; see build.rs for more details.
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<%!
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from data import to_camel_case, to_camel_case_lower
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from data import Keyword
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%>
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<%namespace name="helpers" file="/helpers.mako.rs" />
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use crate::Atom;
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use app_units::Au;
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use crate::computed_value_flags::*;
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use crate::custom_properties::ComputedCustomProperties;
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use crate::gecko_bindings::bindings;
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% for style_struct in data.style_structs:
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use crate::gecko_bindings::bindings::Gecko_Construct_Default_${style_struct.gecko_ffi_name};
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use crate::gecko_bindings::bindings::Gecko_CopyConstruct_${style_struct.gecko_ffi_name};
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use crate::gecko_bindings::bindings::Gecko_Destroy_${style_struct.gecko_ffi_name};
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% endfor
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use crate::gecko_bindings::bindings::Gecko_EnsureImageLayersLength;
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use crate::gecko_bindings::bindings::Gecko_nsStyleFont_SetLang;
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use crate::gecko_bindings::bindings::Gecko_nsStyleFont_CopyLangFrom;
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use crate::gecko_bindings::structs;
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use crate::gecko_bindings::structs::mozilla::PseudoStyleType;
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use crate::gecko::data::PerDocumentStyleData;
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use crate::logical_geometry::WritingMode;
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use crate::media_queries::Device;
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use crate::properties::longhands;
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use crate::rule_tree::StrongRuleNode;
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use crate::selector_parser::PseudoElement;
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use servo_arc::{Arc, UniqueArc};
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use std::mem::{forget, MaybeUninit, ManuallyDrop};
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use std::{ops, ptr};
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use crate::values;
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use crate::values::computed::{BorderStyle, Time, Zoom};
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use crate::values::computed::font::FontSize;
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pub mod style_structs {
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% for style_struct in data.style_structs:
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pub use super::${style_struct.gecko_struct_name} as ${style_struct.name};
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unsafe impl Send for ${style_struct.name} {}
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unsafe impl Sync for ${style_struct.name} {}
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% endfor
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}
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/// FIXME(emilio): This is completely duplicated with the other properties code.
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pub type ComputedValuesInner = structs::ServoComputedData;
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#[repr(C)]
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pub struct ComputedValues(structs::mozilla::ComputedStyle);
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impl ComputedValues {
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#[inline]
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pub (crate) fn as_gecko_computed_style(&self) -> &structs::ComputedStyle {
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&self.0
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}
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pub fn new(
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pseudo: Option<<&PseudoElement>,
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custom_properties: ComputedCustomProperties,
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writing_mode: WritingMode,
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effective_zoom: Zoom,
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flags: ComputedValueFlags,
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rules: Option<StrongRuleNode>,
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visited_style: Option<Arc<ComputedValues>>,
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% for style_struct in data.style_structs:
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${style_struct.ident}: Arc<style_structs::${style_struct.name}>,
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% endfor
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) -> Arc<Self> {
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ComputedValuesInner::new(
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custom_properties,
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writing_mode,
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effective_zoom,
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flags,
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rules,
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visited_style,
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% for style_struct in data.style_structs:
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${style_struct.ident},
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% endfor
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).to_outer(pseudo)
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}
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pub fn default_values(doc: &structs::Document) -> Arc<Self> {
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ComputedValuesInner::new(
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ComputedCustomProperties::default(),
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WritingMode::empty(), // FIXME(bz): This seems dubious
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Zoom::ONE,
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ComputedValueFlags::empty(),
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/* rules = */ None,
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/* visited_style = */ None,
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% for style_struct in data.style_structs:
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style_structs::${style_struct.name}::default(doc),
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% endfor
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).to_outer(None)
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}
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/// Converts the computed values to an Arc<> from a reference.
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pub fn to_arc(&self) -> Arc<Self> {
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// SAFETY: We're guaranteed to be allocated as an Arc<> since the
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// functions above are the only ones that create ComputedValues
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// instances in Gecko (and that must be the case since ComputedValues'
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// member is private).
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unsafe { Arc::from_raw_addrefed(self) }
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}
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#[inline]
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pub fn is_pseudo_style(&self) -> bool {
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self.0.mPseudoType != PseudoStyleType::NotPseudo
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}
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#[inline]
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pub fn pseudo(&self) -> Option<PseudoElement> {
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if !self.is_pseudo_style() {
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return None;
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}
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PseudoElement::from_pseudo_type(self.0.mPseudoType, None)
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}
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#[inline]
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pub fn is_first_line_style(&self) -> bool {
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self.pseudo() == Some(PseudoElement::FirstLine)
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}
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/// Returns true if the display property is changed from 'none' to others.
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pub fn is_display_property_changed_from_none(
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&self,
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old_values: Option<<&ComputedValues>
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) -> bool {
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use crate::properties::longhands::display::computed_value::T as Display;
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old_values.map_or(false, |old| {
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let old_display_style = old.get_box().clone_display();
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let new_display_style = self.get_box().clone_display();
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old_display_style == Display::None &&
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new_display_style != Display::None
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})
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}
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}
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impl Drop for ComputedValues {
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fn drop(&mut self) {
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// XXX this still relies on the destructor of ComputedValuesInner to run on the rust side,
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// that's pretty wild.
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unsafe {
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bindings::Gecko_ComputedStyle_Destroy(&mut self.0);
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}
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}
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}
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unsafe impl Sync for ComputedValues {}
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unsafe impl Send for ComputedValues {}
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impl Clone for ComputedValues {
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fn clone(&self) -> Self {
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unreachable!()
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}
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}
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impl Clone for ComputedValuesInner {
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fn clone(&self) -> Self {
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ComputedValuesInner {
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% for style_struct in data.style_structs:
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${style_struct.gecko_name}: Arc::into_raw(unsafe { Arc::from_raw_addrefed(self.${style_struct.name_lower}_ptr()) }) as *const _,
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% endfor
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custom_properties: self.custom_properties.clone(),
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writing_mode: self.writing_mode.clone(),
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flags: self.flags.clone(),
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effective_zoom: self.effective_zoom,
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rules: self.rules.clone(),
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visited_style: if self.visited_style.is_null() {
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ptr::null()
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} else {
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Arc::into_raw(unsafe { Arc::from_raw_addrefed(self.visited_style_ptr()) }) as *const _
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},
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}
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}
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}
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impl Drop for ComputedValuesInner {
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fn drop(&mut self) {
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% for style_struct in data.style_structs:
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let _ = unsafe { Arc::from_raw(self.${style_struct.name_lower}_ptr()) };
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% endfor
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if !self.visited_style.is_null() {
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let _ = unsafe { Arc::from_raw(self.visited_style_ptr()) };
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}
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}
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}
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impl ComputedValuesInner {
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pub fn new(
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custom_properties: ComputedCustomProperties,
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writing_mode: WritingMode,
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effective_zoom: Zoom,
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flags: ComputedValueFlags,
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rules: Option<StrongRuleNode>,
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visited_style: Option<Arc<ComputedValues>>,
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% for style_struct in data.style_structs:
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${style_struct.ident}: Arc<style_structs::${style_struct.name}>,
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% endfor
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) -> Self {
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Self {
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custom_properties,
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writing_mode,
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rules,
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visited_style: visited_style.map_or(ptr::null(), |p| Arc::into_raw(p)) as *const _,
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flags,
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effective_zoom,
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% for style_struct in data.style_structs:
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${style_struct.gecko_name}: Arc::into_raw(${style_struct.ident}) as *const _,
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% endfor
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}
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}
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fn to_outer(self, pseudo: Option<<&PseudoElement>) -> Arc<ComputedValues> {
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let pseudo_ty = match pseudo {
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Some(p) => p.pseudo_type(),
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None => structs::PseudoStyleType::NotPseudo,
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};
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unsafe {
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let mut arc = UniqueArc::<ComputedValues>::new_uninit();
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bindings::Gecko_ComputedStyle_Init(
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arc.as_mut_ptr() as *mut _,
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&self,
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pseudo_ty,
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);
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// We're simulating move semantics by having C++ do a memcpy and
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// then forgetting it on this end.
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forget(self);
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UniqueArc::assume_init(arc).shareable()
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}
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}
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}
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impl ops::Deref for ComputedValues {
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type Target = ComputedValuesInner;
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#[inline]
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fn deref(&self) -> &ComputedValuesInner {
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&self.0.mSource
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}
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}
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impl ops::DerefMut for ComputedValues {
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#[inline]
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fn deref_mut(&mut self) -> &mut ComputedValuesInner {
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&mut self.0.mSource
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}
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}
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impl ComputedValuesInner {
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/// Returns true if the value of the `content` property would make a
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/// pseudo-element not rendered.
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#[inline]
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pub fn ineffective_content_property(&self) -> bool {
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self.get_counters().ineffective_content_property()
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}
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#[inline]
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fn visited_style_ptr(&self) -> *const ComputedValues {
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self.visited_style as *const _
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}
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/// Returns the visited style, if any.
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pub fn visited_style(&self) -> Option<<&ComputedValues> {
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unsafe { self.visited_style_ptr().as_ref() }
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}
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% for style_struct in data.style_structs:
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#[inline]
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fn ${style_struct.name_lower}_ptr(&self) -> *const style_structs::${style_struct.name} {
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// This is sound because the wrapper we create is repr(transparent).
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self.${style_struct.gecko_name} as *const _
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}
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#[inline]
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pub fn clone_${style_struct.name_lower}(&self) -> Arc<style_structs::${style_struct.name}> {
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unsafe { Arc::from_raw_addrefed(self.${style_struct.name_lower}_ptr()) }
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}
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#[inline]
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pub fn get_${style_struct.name_lower}(&self) -> &style_structs::${style_struct.name} {
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unsafe { &*self.${style_struct.name_lower}_ptr() }
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}
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#[inline]
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pub fn mutate_${style_struct.name_lower}(&mut self) -> &mut style_structs::${style_struct.name} {
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unsafe {
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let mut arc = Arc::from_raw(self.${style_struct.name_lower}_ptr());
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let ptr = Arc::make_mut(&mut arc) as *mut _;
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// Sound for the same reason _ptr() is sound.
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self.${style_struct.gecko_name} = Arc::into_raw(arc) as *const _;
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&mut *ptr
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}
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}
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% endfor
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}
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<%def name="impl_simple_setter(ident, gecko_ffi_name)">
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#[allow(non_snake_case)]
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pub fn set_${ident}(&mut self, v: longhands::${ident}::computed_value::T) {
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${set_gecko_property(gecko_ffi_name, "From::from(v)")}
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}
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</%def>
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<%def name="impl_simple_clone(ident, gecko_ffi_name)">
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#[allow(non_snake_case)]
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pub fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
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From::from(self.${gecko_ffi_name}.clone())
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}
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</%def>
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<%def name="impl_simple_copy(ident, gecko_ffi_name, *kwargs)">
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#[allow(non_snake_case)]
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pub fn copy_${ident}_from(&mut self, other: &Self) {
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self.${gecko_ffi_name} = other.${gecko_ffi_name}.clone();
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}
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#[allow(non_snake_case)]
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pub fn reset_${ident}(&mut self, other: &Self) {
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self.copy_${ident}_from(other)
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}
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</%def>
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<%!
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def get_gecko_property(ffi_name, self_param = "self"):
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return "%s.%s" % (self_param, ffi_name)
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def set_gecko_property(ffi_name, expr):
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return "self.%s = %s;" % (ffi_name, expr)
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%>
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<%def name="impl_keyword_setter(ident, gecko_ffi_name, keyword, cast_type='u8')">
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#[allow(non_snake_case)]
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pub fn set_${ident}(&mut self, v: longhands::${ident}::computed_value::T) {
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use crate::properties::longhands::${ident}::computed_value::T as Keyword;
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// FIXME(bholley): Align binary representations and ditch |match| for cast + static_asserts
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let result = match v {
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% for value in keyword.values_for('gecko'):
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Keyword::${to_camel_case(value)} =>
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structs::${keyword.gecko_constant(value)} ${keyword.maybe_cast(cast_type)},
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% endfor
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};
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${set_gecko_property(gecko_ffi_name, "result")}
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}
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</%def>
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<%def name="impl_keyword_clone(ident, gecko_ffi_name, keyword, cast_type='u8')">
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#[allow(non_snake_case)]
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pub fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
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use crate::properties::longhands::${ident}::computed_value::T as Keyword;
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// FIXME(bholley): Align binary representations and ditch |match| for cast + static_asserts
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// Some constant macros in the gecko are defined as negative integer(e.g. font-stretch).
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// And they are convert to signed integer in Rust bindings. We need to cast then
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// as signed type when we have both signed/unsigned integer in order to use them
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// as match's arms.
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// Also, to use same implementation here we use casted constant if we have only singed values.
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% if keyword.gecko_enum_prefix is None:
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% for value in keyword.values_for('gecko'):
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const ${keyword.casted_constant_name(value, cast_type)} : ${cast_type} =
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structs::${keyword.gecko_constant(value)} as ${cast_type};
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% endfor
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match ${get_gecko_property(gecko_ffi_name)} as ${cast_type} {
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% for value in keyword.values_for('gecko'):
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${keyword.casted_constant_name(value, cast_type)} => Keyword::${to_camel_case(value)},
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% endfor
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% if keyword.gecko_inexhaustive:
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_ => panic!("Found unexpected value in style struct for ${ident} property"),
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% endif
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}
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% else:
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match ${get_gecko_property(gecko_ffi_name)} {
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% for value in keyword.values_for('gecko'):
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structs::${keyword.gecko_constant(value)} => Keyword::${to_camel_case(value)},
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% endfor
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% if keyword.gecko_inexhaustive:
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_ => panic!("Found unexpected value in style struct for ${ident} property"),
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% endif
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}
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% endif
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}
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</%def>
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<%def name="impl_keyword(ident, gecko_ffi_name, keyword, cast_type='u8', **kwargs)">
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<%call expr="impl_keyword_setter(ident, gecko_ffi_name, keyword, cast_type, **kwargs)"></%call>
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<%call expr="impl_simple_copy(ident, gecko_ffi_name, **kwargs)"></%call>
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<%call expr="impl_keyword_clone(ident, gecko_ffi_name, keyword, cast_type)"></%call>
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</%def>
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<%def name="impl_simple(ident, gecko_ffi_name)">
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<%call expr="impl_simple_setter(ident, gecko_ffi_name)"></%call>
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<%call expr="impl_simple_copy(ident, gecko_ffi_name)"></%call>
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<%call expr="impl_simple_clone(ident, gecko_ffi_name)"></%call>
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</%def>
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<%def name="impl_border_width(ident, gecko_ffi_name, inherit_from)">
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#[allow(non_snake_case)]
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pub fn set_${ident}(&mut self, v: Au) {
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let value = v.0;
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self.${inherit_from} = value;
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self.${gecko_ffi_name} = value;
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}
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#[allow(non_snake_case)]
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pub fn copy_${ident}_from(&mut self, other: &Self) {
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self.${inherit_from} = other.${inherit_from};
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// NOTE: This is needed to easily handle the `unset` and `initial`
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// keywords, which are implemented calling this function.
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//
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// In practice, this means that we may have an incorrect value here, but
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// we'll adjust that properly in the style fixup phase.
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//
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// FIXME(emilio): We could clean this up a bit special-casing the reset_
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// function below.
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self.${gecko_ffi_name} = other.${inherit_from};
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}
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#[allow(non_snake_case)]
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pub fn reset_${ident}(&mut self, other: &Self) {
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self.copy_${ident}_from(other)
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}
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#[allow(non_snake_case)]
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pub fn clone_${ident}(&self) -> Au {
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Au(self.${gecko_ffi_name})
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}
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</%def>
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<%def name="impl_style_struct(style_struct)">
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/// A wrapper for ${style_struct.gecko_ffi_name}, to be able to manually construct / destruct /
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/// clone it.
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#[repr(transparent)]
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pub struct ${style_struct.gecko_struct_name}(ManuallyDrop<structs::${style_struct.gecko_ffi_name}>);
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impl ops::Deref for ${style_struct.gecko_struct_name} {
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type Target = structs::${style_struct.gecko_ffi_name};
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#[inline]
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl ops::DerefMut for ${style_struct.gecko_struct_name} {
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#[inline]
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fn deref_mut(&mut self) -> &mut <Self as ops::Deref>::Target {
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&mut self.0
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}
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}
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impl ${style_struct.gecko_struct_name} {
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#[allow(dead_code, unused_variables)]
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pub fn default(document: &structs::Document) -> Arc<Self> {
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% if style_struct.document_dependent:
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unsafe {
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let mut result = UniqueArc::<Self>::new_uninit();
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Gecko_Construct_Default_${style_struct.gecko_ffi_name}(
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result.as_mut_ptr() as *mut _,
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document,
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);
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UniqueArc::assume_init(result).shareable()
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}
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% else:
|
|
lazy_static! {
|
|
static ref DEFAULT: Arc<${style_struct.gecko_struct_name}> = unsafe {
|
|
let mut result = UniqueArc::<${style_struct.gecko_struct_name}>::new_uninit();
|
|
Gecko_Construct_Default_${style_struct.gecko_ffi_name}(
|
|
result.as_mut_ptr() as *mut _,
|
|
std::ptr::null(),
|
|
);
|
|
let arc = UniqueArc::assume_init(result).shareable();
|
|
arc.mark_as_intentionally_leaked();
|
|
arc
|
|
};
|
|
};
|
|
DEFAULT.clone()
|
|
% endif
|
|
}
|
|
}
|
|
|
|
impl Drop for ${style_struct.gecko_struct_name} {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
Gecko_Destroy_${style_struct.gecko_ffi_name}(&mut **self);
|
|
}
|
|
}
|
|
}
|
|
impl Clone for ${style_struct.gecko_struct_name} {
|
|
fn clone(&self) -> Self {
|
|
unsafe {
|
|
let mut result = MaybeUninit::<Self>::uninit();
|
|
// FIXME(bug 1595895): Zero the memory to keep valgrind happy, but
|
|
// these looks like Valgrind false-positives at a quick glance.
|
|
ptr::write_bytes::<Self>(result.as_mut_ptr(), 0, 1);
|
|
Gecko_CopyConstruct_${style_struct.gecko_ffi_name}(result.as_mut_ptr() as *mut _, &**self);
|
|
result.assume_init()
|
|
}
|
|
}
|
|
}
|
|
</%def>
|
|
|
|
<%def name="impl_font_settings(ident, gecko_type, tag_type, value_type, gecko_value_type)">
|
|
<% gecko_ffi_name = to_camel_case_lower(ident) %>
|
|
|
|
pub fn set_${ident}(&mut self, v: longhands::${ident}::computed_value::T) {
|
|
let iter = v.0.iter().map(|other| structs::${gecko_type} {
|
|
mTag: other.tag.0,
|
|
mValue: other.value as ${gecko_value_type},
|
|
});
|
|
self.mFont.${gecko_ffi_name}.clear();
|
|
self.mFont.${gecko_ffi_name}.extend(iter);
|
|
}
|
|
|
|
<% impl_simple_copy(ident, "mFont." + gecko_ffi_name) %>
|
|
|
|
pub fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
|
|
use crate::values::generics::font::{FontSettings, FontTag, ${tag_type}};
|
|
|
|
FontSettings(
|
|
self.mFont.${gecko_ffi_name}.iter().map(|gecko_font_setting| {
|
|
${tag_type} {
|
|
tag: FontTag(gecko_font_setting.mTag),
|
|
value: gecko_font_setting.mValue as ${value_type},
|
|
}
|
|
}).collect()
|
|
)
|
|
}
|
|
</%def>
|
|
|
|
<%def name="impl_trait(style_struct_name, skip_longhands='')">
|
|
<%
|
|
style_struct = next(x for x in data.style_structs if x.name == style_struct_name)
|
|
longhands = [x for x in style_struct.longhands
|
|
if not (skip_longhands == "*" or x.name in skip_longhands.split())]
|
|
|
|
def longhand_method(longhand):
|
|
args = dict(ident=longhand.ident, gecko_ffi_name=longhand.gecko_ffi_name)
|
|
|
|
if longhand.logical:
|
|
return
|
|
# get the method and pass additional keyword or type-specific arguments
|
|
if longhand.keyword:
|
|
method = impl_keyword
|
|
args.update(keyword=longhand.keyword)
|
|
if "font" in longhand.ident:
|
|
args.update(cast_type=longhand.cast_type)
|
|
else:
|
|
method = impl_simple
|
|
|
|
method(**args)
|
|
%>
|
|
impl ${style_struct.gecko_struct_name} {
|
|
/*
|
|
* Manually-Implemented Methods.
|
|
*/
|
|
${caller.body().strip()}
|
|
|
|
/*
|
|
* Auto-Generated Methods.
|
|
*/
|
|
<%
|
|
for longhand in longhands:
|
|
longhand_method(longhand)
|
|
%>
|
|
}
|
|
</%def>
|
|
|
|
<%!
|
|
class Side(object):
|
|
def __init__(self, name, index):
|
|
self.name = name
|
|
self.ident = name.lower()
|
|
self.index = index
|
|
|
|
SIDES = [Side("Top", 0), Side("Right", 1), Side("Bottom", 2), Side("Left", 3)]
|
|
%>
|
|
|
|
#[allow(dead_code)]
|
|
fn static_assert() {
|
|
// Note: using the above technique with an enum hits a rust bug when |structs| is in a different crate.
|
|
% for side in SIDES:
|
|
{ const DETAIL: u32 = [0][(structs::Side::eSide${side.name} as usize != ${side.index}) as usize]; let _ = DETAIL; }
|
|
% endfor
|
|
}
|
|
|
|
|
|
<% skip_border_longhands = " ".join(["border-{0}-{1}".format(x.ident, y)
|
|
for x in SIDES
|
|
for y in ["style", "width"]]) %>
|
|
|
|
<%self:impl_trait style_struct_name="Border"
|
|
skip_longhands="${skip_border_longhands}">
|
|
% for side in SIDES:
|
|
pub fn set_border_${side.ident}_style(&mut self, v: BorderStyle) {
|
|
self.mBorderStyle[${side.index}] = v;
|
|
|
|
// This is needed because the initial mComputedBorder value is set to
|
|
// zero.
|
|
//
|
|
// In order to compute stuff, we start from the initial struct, and keep
|
|
// going down the tree applying properties.
|
|
//
|
|
// That means, effectively, that when we set border-style to something
|
|
// non-hidden, we should use the initial border instead.
|
|
//
|
|
// Servo stores the initial border-width in the initial struct, and then
|
|
// adjusts as needed in the fixup phase. This means that the initial
|
|
// struct is technically not valid without fixups, and that you lose
|
|
// pretty much any sharing of the initial struct, which is kind of
|
|
// unfortunate.
|
|
//
|
|
// Gecko has two fields for this, one that stores the "specified"
|
|
// border, and other that stores the actual computed one. That means
|
|
// that when we set border-style, border-width may change and we need to
|
|
// sync back to the specified one. This is what this function does.
|
|
//
|
|
// Note that this doesn't impose any dependency in the order of
|
|
// computation of the properties. This is only relevant if border-style
|
|
// is specified, but border-width isn't. If border-width is specified at
|
|
// some point, the two mBorder and mComputedBorder fields would be the
|
|
// same already.
|
|
//
|
|
// Once we're here, we know that we'll run style fixups, so it's fine to
|
|
// just copy the specified border here, we'll adjust it if it's
|
|
// incorrect later.
|
|
self.mComputedBorder.${side.ident} = self.mBorder.${side.ident};
|
|
}
|
|
|
|
pub fn copy_border_${side.ident}_style_from(&mut self, other: &Self) {
|
|
self.set_border_${side.ident}_style(other.mBorderStyle[${side.index}]);
|
|
}
|
|
|
|
pub fn reset_border_${side.ident}_style(&mut self, other: &Self) {
|
|
self.copy_border_${side.ident}_style_from(other);
|
|
}
|
|
|
|
#[inline]
|
|
pub fn clone_border_${side.ident}_style(&self) -> BorderStyle {
|
|
self.mBorderStyle[${side.index}]
|
|
}
|
|
|
|
${impl_border_width("border_%s_width" % side.ident, "mComputedBorder.%s" % side.ident, "mBorder.%s" % side.ident)}
|
|
|
|
pub fn border_${side.ident}_has_nonzero_width(&self) -> bool {
|
|
self.mComputedBorder.${side.ident} != 0
|
|
}
|
|
% endfor
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Margin"></%self:impl_trait>
|
|
<%self:impl_trait style_struct_name="Padding"></%self:impl_trait>
|
|
<%self:impl_trait style_struct_name="Page"></%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Position">
|
|
pub fn set_computed_justify_items(&mut self, v: values::specified::JustifyItems) {
|
|
debug_assert_ne!(v.0, crate::values::specified::align::AlignFlags::LEGACY);
|
|
self.mJustifyItems.computed = v;
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Outline"
|
|
skip_longhands="outline-style outline-width">
|
|
|
|
pub fn set_outline_style(&mut self, v: longhands::outline_style::computed_value::T) {
|
|
self.mOutlineStyle = v;
|
|
// NB: This is needed to correctly handling the initial value of
|
|
// outline-width when outline-style changes, see the
|
|
// update_border_${side.ident} comment for more details.
|
|
self.mActualOutlineWidth = self.mOutlineWidth;
|
|
}
|
|
|
|
pub fn copy_outline_style_from(&mut self, other: &Self) {
|
|
self.set_outline_style(other.mOutlineStyle);
|
|
}
|
|
|
|
pub fn reset_outline_style(&mut self, other: &Self) {
|
|
self.copy_outline_style_from(other)
|
|
}
|
|
|
|
pub fn clone_outline_style(&self) -> longhands::outline_style::computed_value::T {
|
|
self.mOutlineStyle.clone()
|
|
}
|
|
|
|
${impl_border_width("outline_width", "mActualOutlineWidth", "mOutlineWidth")}
|
|
|
|
pub fn outline_has_nonzero_width(&self) -> bool {
|
|
self.mActualOutlineWidth != 0
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<% skip_font_longhands = """font-size -x-lang font-feature-settings font-variation-settings""" %>
|
|
<%self:impl_trait style_struct_name="Font"
|
|
skip_longhands="${skip_font_longhands}">
|
|
|
|
// Negative numbers are invalid at parse time, but <integer> is still an
|
|
// i32.
|
|
<% impl_font_settings("font_feature_settings", "gfxFontFeature", "FeatureTagValue", "i32", "u32") %>
|
|
<% impl_font_settings("font_variation_settings", "gfxFontVariation", "VariationValue", "f32", "f32") %>
|
|
|
|
pub fn unzoom_fonts(&mut self, device: &Device) {
|
|
use crate::values::generics::NonNegative;
|
|
self.mSize = NonNegative(device.unzoom_text(self.mSize.0));
|
|
self.mScriptUnconstrainedSize = NonNegative(device.unzoom_text(self.mScriptUnconstrainedSize.0));
|
|
self.mFont.size = NonNegative(device.unzoom_text(self.mFont.size.0));
|
|
}
|
|
|
|
pub fn copy_font_size_from(&mut self, other: &Self) {
|
|
self.mScriptUnconstrainedSize = other.mScriptUnconstrainedSize;
|
|
|
|
self.mSize = other.mScriptUnconstrainedSize;
|
|
// NOTE: Intentionally not copying from mFont.size. The cascade process
|
|
// recomputes the used size as needed.
|
|
self.mFont.size = other.mSize;
|
|
self.mFontSizeKeyword = other.mFontSizeKeyword;
|
|
|
|
// TODO(emilio): Should we really copy over these two?
|
|
self.mFontSizeFactor = other.mFontSizeFactor;
|
|
self.mFontSizeOffset = other.mFontSizeOffset;
|
|
}
|
|
|
|
pub fn reset_font_size(&mut self, other: &Self) {
|
|
self.copy_font_size_from(other)
|
|
}
|
|
|
|
pub fn set_font_size(&mut self, v: FontSize) {
|
|
let computed_size = v.computed_size;
|
|
self.mScriptUnconstrainedSize = computed_size;
|
|
|
|
// These two may be changed from Cascade::fixup_font_stuff.
|
|
self.mSize = computed_size;
|
|
// NOTE: Intentionally not copying from used_size. The cascade process
|
|
// recomputes the used size as needed.
|
|
self.mFont.size = computed_size;
|
|
|
|
self.mFontSizeKeyword = v.keyword_info.kw;
|
|
self.mFontSizeFactor = v.keyword_info.factor;
|
|
self.mFontSizeOffset = v.keyword_info.offset;
|
|
}
|
|
|
|
pub fn clone_font_size(&self) -> FontSize {
|
|
use crate::values::specified::font::KeywordInfo;
|
|
|
|
FontSize {
|
|
computed_size: self.mSize,
|
|
used_size: self.mFont.size,
|
|
keyword_info: KeywordInfo {
|
|
kw: self.mFontSizeKeyword,
|
|
factor: self.mFontSizeFactor,
|
|
offset: self.mFontSizeOffset,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
pub fn set__x_lang(&mut self, v: longhands::_x_lang::computed_value::T) {
|
|
let ptr = v.0.as_ptr();
|
|
forget(v);
|
|
unsafe {
|
|
Gecko_nsStyleFont_SetLang(&mut **self, ptr);
|
|
}
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
pub fn copy__x_lang_from(&mut self, other: &Self) {
|
|
unsafe {
|
|
Gecko_nsStyleFont_CopyLangFrom(&mut **self, &**other);
|
|
}
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
pub fn reset__x_lang(&mut self, other: &Self) {
|
|
self.copy__x_lang_from(other)
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
pub fn clone__x_lang(&self) -> longhands::_x_lang::computed_value::T {
|
|
longhands::_x_lang::computed_value::T(unsafe {
|
|
Atom::from_raw(self.mLanguage.mRawPtr)
|
|
})
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<%def name="impl_coordinated_property_copy(type, ident, gecko_ffi_name)">
|
|
#[allow(non_snake_case)]
|
|
pub fn copy_${type}_${ident}_from(&mut self, other: &Self) {
|
|
self.m${to_camel_case(type)}s.ensure_len(other.m${to_camel_case(type)}s.len());
|
|
|
|
let count = other.m${to_camel_case(type)}${gecko_ffi_name}Count;
|
|
self.m${to_camel_case(type)}${gecko_ffi_name}Count = count;
|
|
|
|
let iter = self.m${to_camel_case(type)}s.iter_mut().take(count as usize).zip(
|
|
other.m${to_camel_case(type)}s.iter()
|
|
);
|
|
|
|
for (ours, others) in iter {
|
|
ours.m${gecko_ffi_name} = others.m${gecko_ffi_name}.clone();
|
|
}
|
|
}
|
|
#[allow(non_snake_case)]
|
|
pub fn reset_${type}_${ident}(&mut self, other: &Self) {
|
|
self.copy_${type}_${ident}_from(other)
|
|
}
|
|
</%def>
|
|
|
|
<%def name="impl_coordinated_property_count(type, ident, gecko_ffi_name)">
|
|
#[allow(non_snake_case)]
|
|
pub fn ${type}_${ident}_count(&self) -> usize {
|
|
self.m${to_camel_case(type)}${gecko_ffi_name}Count as usize
|
|
}
|
|
</%def>
|
|
|
|
<%def name="impl_coordinated_property(type, ident, gecko_ffi_name)">
|
|
#[allow(non_snake_case)]
|
|
pub fn set_${type}_${ident}<I>(&mut self, v: I)
|
|
where
|
|
I: IntoIterator<Item = longhands::${type}_${ident}::computed_value::single_value::T>,
|
|
I::IntoIter: ExactSizeIterator + Clone
|
|
{
|
|
let v = v.into_iter();
|
|
debug_assert_ne!(v.len(), 0);
|
|
let input_len = v.len();
|
|
self.m${to_camel_case(type)}s.ensure_len(input_len);
|
|
|
|
self.m${to_camel_case(type)}${gecko_ffi_name}Count = input_len as u32;
|
|
for (gecko, servo) in self.m${to_camel_case(type)}s.iter_mut().take(input_len as usize).zip(v) {
|
|
gecko.m${gecko_ffi_name} = servo;
|
|
}
|
|
}
|
|
#[allow(non_snake_case)]
|
|
pub fn ${type}_${ident}_at(&self, index: usize)
|
|
-> longhands::${type}_${ident}::computed_value::SingleComputedValue {
|
|
self.m${to_camel_case(type)}s[index % self.${type}_${ident}_count()].m${gecko_ffi_name}.clone()
|
|
}
|
|
${impl_coordinated_property_copy(type, ident, gecko_ffi_name)}
|
|
${impl_coordinated_property_count(type, ident, gecko_ffi_name)}
|
|
</%def>
|
|
|
|
<% skip_box_longhands= """display contain""" %>
|
|
<%self:impl_trait style_struct_name="Box" skip_longhands="${skip_box_longhands}">
|
|
#[inline]
|
|
pub fn set_display(&mut self, v: longhands::display::computed_value::T) {
|
|
self.mDisplay = v;
|
|
self.mOriginalDisplay = v;
|
|
}
|
|
|
|
#[inline]
|
|
pub fn copy_display_from(&mut self, other: &Self) {
|
|
self.set_display(other.mDisplay);
|
|
}
|
|
|
|
#[inline]
|
|
pub fn reset_display(&mut self, other: &Self) {
|
|
self.copy_display_from(other)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn set_adjusted_display(
|
|
&mut self,
|
|
v: longhands::display::computed_value::T,
|
|
_is_item_or_root: bool
|
|
) {
|
|
self.mDisplay = v;
|
|
}
|
|
|
|
#[inline]
|
|
pub fn clone_display(&self) -> longhands::display::computed_value::T {
|
|
self.mDisplay
|
|
}
|
|
|
|
#[inline]
|
|
pub fn set_contain(&mut self, v: longhands::contain::computed_value::T) {
|
|
self.mContain = v;
|
|
self.mEffectiveContainment = v;
|
|
}
|
|
|
|
#[inline]
|
|
pub fn copy_contain_from(&mut self, other: &Self) {
|
|
self.set_contain(other.mContain);
|
|
}
|
|
|
|
#[inline]
|
|
pub fn reset_contain(&mut self, other: &Self) {
|
|
self.copy_contain_from(other)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn clone_contain(&self) -> longhands::contain::computed_value::T {
|
|
self.mContain
|
|
}
|
|
|
|
#[inline]
|
|
pub fn set_effective_containment(
|
|
&mut self,
|
|
v: longhands::contain::computed_value::T
|
|
) {
|
|
self.mEffectiveContainment = v;
|
|
}
|
|
|
|
#[inline]
|
|
pub fn clone_effective_containment(&self) -> longhands::contain::computed_value::T {
|
|
self.mEffectiveContainment
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<%def name="simple_image_array_property(name, shorthand, field_name)">
|
|
<%
|
|
image_layers_field = "mImage" if shorthand == "background" else "mMask"
|
|
copy_simple_image_array_property(name, shorthand, image_layers_field, field_name)
|
|
%>
|
|
|
|
pub fn set_${shorthand}_${name}<I>(&mut self, v: I)
|
|
where I: IntoIterator<Item=longhands::${shorthand}_${name}::computed_value::single_value::T>,
|
|
I::IntoIter: ExactSizeIterator
|
|
{
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
let v = v.into_iter();
|
|
|
|
unsafe {
|
|
Gecko_EnsureImageLayersLength(&mut self.${image_layers_field}, v.len(),
|
|
LayerType::${shorthand.title()});
|
|
}
|
|
|
|
self.${image_layers_field}.${field_name}Count = v.len() as u32;
|
|
for (servo, geckolayer) in v.zip(self.${image_layers_field}.mLayers.iter_mut()) {
|
|
geckolayer.${field_name} = {
|
|
${caller.body()}
|
|
};
|
|
}
|
|
}
|
|
</%def>
|
|
|
|
<%def name="copy_simple_image_array_property(name, shorthand, layers_field_name, field_name)">
|
|
pub fn copy_${shorthand}_${name}_from(&mut self, other: &Self) {
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
|
|
let count = other.${layers_field_name}.${field_name}Count;
|
|
unsafe {
|
|
Gecko_EnsureImageLayersLength(&mut self.${layers_field_name},
|
|
count as usize,
|
|
LayerType::${shorthand.title()});
|
|
}
|
|
// FIXME(emilio): This may be bogus in the same way as bug 1426246.
|
|
for (layer, other) in self.${layers_field_name}.mLayers.iter_mut()
|
|
.zip(other.${layers_field_name}.mLayers.iter())
|
|
.take(count as usize) {
|
|
layer.${field_name} = other.${field_name}.clone();
|
|
}
|
|
self.${layers_field_name}.${field_name}Count = count;
|
|
}
|
|
|
|
pub fn reset_${shorthand}_${name}(&mut self, other: &Self) {
|
|
self.copy_${shorthand}_${name}_from(other)
|
|
}
|
|
</%def>
|
|
|
|
<%def name="impl_simple_image_array_property(name, shorthand, layer_field_name, field_name, struct_name)">
|
|
<%
|
|
ident = "%s_%s" % (shorthand, name)
|
|
style_struct = next(x for x in data.style_structs if x.name == struct_name)
|
|
longhand = next(x for x in style_struct.longhands if x.ident == ident)
|
|
keyword = longhand.keyword
|
|
%>
|
|
|
|
<% copy_simple_image_array_property(name, shorthand, layer_field_name, field_name) %>
|
|
|
|
pub fn set_${ident}<I>(&mut self, v: I)
|
|
where
|
|
I: IntoIterator<Item=longhands::${ident}::computed_value::single_value::T>,
|
|
I::IntoIter: ExactSizeIterator,
|
|
{
|
|
use crate::properties::longhands::${ident}::single_value::computed_value::T as Keyword;
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
|
|
let v = v.into_iter();
|
|
|
|
unsafe {
|
|
Gecko_EnsureImageLayersLength(&mut self.${layer_field_name}, v.len(),
|
|
LayerType::${shorthand.title()});
|
|
}
|
|
|
|
self.${layer_field_name}.${field_name}Count = v.len() as u32;
|
|
for (servo, geckolayer) in v.zip(self.${layer_field_name}.mLayers.iter_mut()) {
|
|
geckolayer.${field_name} = {
|
|
match servo {
|
|
% for value in keyword.values_for("gecko"):
|
|
Keyword::${to_camel_case(value)} =>
|
|
structs::${keyword.gecko_constant(value)} ${keyword.maybe_cast('u8')},
|
|
% endfor
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
pub fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
|
|
use crate::properties::longhands::${ident}::single_value::computed_value::T as Keyword;
|
|
|
|
% if keyword.needs_cast():
|
|
% for value in keyword.values_for('gecko'):
|
|
const ${keyword.casted_constant_name(value, "u8")} : u8 =
|
|
structs::${keyword.gecko_constant(value)} as u8;
|
|
% endfor
|
|
% endif
|
|
|
|
longhands::${ident}::computed_value::List(
|
|
self.${layer_field_name}.mLayers.iter()
|
|
.take(self.${layer_field_name}.${field_name}Count as usize)
|
|
.map(|ref layer| {
|
|
match layer.${field_name} {
|
|
% for value in longhand.keyword.values_for("gecko"):
|
|
% if keyword.needs_cast():
|
|
${keyword.casted_constant_name(value, "u8")}
|
|
% else:
|
|
structs::${keyword.gecko_constant(value)}
|
|
% endif
|
|
=> Keyword::${to_camel_case(value)},
|
|
% endfor
|
|
% if keyword.gecko_inexhaustive:
|
|
_ => panic!("Found unexpected value in style struct for ${ident} property"),
|
|
% endif
|
|
}
|
|
}).collect()
|
|
)
|
|
}
|
|
</%def>
|
|
|
|
<%def name="impl_common_image_layer_properties(shorthand)">
|
|
<%
|
|
if shorthand == "background":
|
|
image_layers_field = "mImage"
|
|
struct_name = "Background"
|
|
else:
|
|
image_layers_field = "mMask"
|
|
struct_name = "SVG"
|
|
%>
|
|
|
|
<%self:simple_image_array_property name="repeat" shorthand="${shorthand}" field_name="mRepeat">
|
|
use crate::values::specified::background::BackgroundRepeatKeyword;
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_Repeat;
|
|
use crate::gecko_bindings::structs::StyleImageLayerRepeat;
|
|
|
|
fn to_ns(repeat: BackgroundRepeatKeyword) -> StyleImageLayerRepeat {
|
|
match repeat {
|
|
BackgroundRepeatKeyword::Repeat => StyleImageLayerRepeat::Repeat,
|
|
BackgroundRepeatKeyword::Space => StyleImageLayerRepeat::Space,
|
|
BackgroundRepeatKeyword::Round => StyleImageLayerRepeat::Round,
|
|
BackgroundRepeatKeyword::NoRepeat => StyleImageLayerRepeat::NoRepeat,
|
|
}
|
|
}
|
|
|
|
let repeat_x = to_ns(servo.0);
|
|
let repeat_y = to_ns(servo.1);
|
|
nsStyleImageLayers_Repeat {
|
|
mXRepeat: repeat_x,
|
|
mYRepeat: repeat_y,
|
|
}
|
|
</%self:simple_image_array_property>
|
|
|
|
pub fn clone_${shorthand}_repeat(&self) -> longhands::${shorthand}_repeat::computed_value::T {
|
|
use crate::properties::longhands::${shorthand}_repeat::single_value::computed_value::T;
|
|
use crate::values::specified::background::BackgroundRepeatKeyword;
|
|
use crate::gecko_bindings::structs::StyleImageLayerRepeat;
|
|
|
|
fn to_servo(repeat: StyleImageLayerRepeat) -> BackgroundRepeatKeyword {
|
|
match repeat {
|
|
StyleImageLayerRepeat::Repeat => BackgroundRepeatKeyword::Repeat,
|
|
StyleImageLayerRepeat::Space => BackgroundRepeatKeyword::Space,
|
|
StyleImageLayerRepeat::Round => BackgroundRepeatKeyword::Round,
|
|
StyleImageLayerRepeat::NoRepeat => BackgroundRepeatKeyword::NoRepeat,
|
|
_ => panic!("Found unexpected value in style struct for ${shorthand}_repeat property"),
|
|
}
|
|
}
|
|
|
|
longhands::${shorthand}_repeat::computed_value::List(
|
|
self.${image_layers_field}.mLayers.iter()
|
|
.take(self.${image_layers_field}.mRepeatCount as usize)
|
|
.map(|ref layer| {
|
|
T(to_servo(layer.mRepeat.mXRepeat), to_servo(layer.mRepeat.mYRepeat))
|
|
}).collect()
|
|
)
|
|
}
|
|
|
|
<% impl_simple_image_array_property("clip", shorthand, image_layers_field, "mClip", struct_name) %>
|
|
<% impl_simple_image_array_property("origin", shorthand, image_layers_field, "mOrigin", struct_name) %>
|
|
|
|
% for (orientation, keyword) in [("x", "horizontal"), ("y", "vertical")]:
|
|
pub fn copy_${shorthand}_position_${orientation}_from(&mut self, other: &Self) {
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
|
|
let count = other.${image_layers_field}.mPosition${orientation.upper()}Count;
|
|
|
|
unsafe {
|
|
Gecko_EnsureImageLayersLength(&mut self.${image_layers_field},
|
|
count as usize,
|
|
LayerType::${shorthand.capitalize()});
|
|
}
|
|
|
|
for (layer, other) in self.${image_layers_field}.mLayers.iter_mut()
|
|
.zip(other.${image_layers_field}.mLayers.iter())
|
|
.take(count as usize) {
|
|
layer.mPosition.${keyword} = other.mPosition.${keyword}.clone();
|
|
}
|
|
self.${image_layers_field}.mPosition${orientation.upper()}Count = count;
|
|
}
|
|
|
|
pub fn reset_${shorthand}_position_${orientation}(&mut self, other: &Self) {
|
|
self.copy_${shorthand}_position_${orientation}_from(other)
|
|
}
|
|
|
|
pub fn clone_${shorthand}_position_${orientation}(&self)
|
|
-> longhands::${shorthand}_position_${orientation}::computed_value::T {
|
|
longhands::${shorthand}_position_${orientation}::computed_value::List(
|
|
self.${image_layers_field}.mLayers.iter()
|
|
.take(self.${image_layers_field}.mPosition${orientation.upper()}Count as usize)
|
|
.map(|position| position.mPosition.${keyword}.clone())
|
|
.collect()
|
|
)
|
|
}
|
|
|
|
pub fn set_${shorthand}_position_${orientation[0]}<I>(&mut self,
|
|
v: I)
|
|
where I: IntoIterator<Item = longhands::${shorthand}_position_${orientation[0]}
|
|
::computed_value::single_value::T>,
|
|
I::IntoIter: ExactSizeIterator
|
|
{
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
|
|
let v = v.into_iter();
|
|
|
|
unsafe {
|
|
Gecko_EnsureImageLayersLength(&mut self.${image_layers_field}, v.len(),
|
|
LayerType::${shorthand.capitalize()});
|
|
}
|
|
|
|
self.${image_layers_field}.mPosition${orientation[0].upper()}Count = v.len() as u32;
|
|
for (servo, geckolayer) in v.zip(self.${image_layers_field}
|
|
.mLayers.iter_mut()) {
|
|
geckolayer.mPosition.${keyword} = servo;
|
|
}
|
|
}
|
|
% endfor
|
|
|
|
<%self:simple_image_array_property name="size" shorthand="${shorthand}" field_name="mSize">
|
|
servo
|
|
</%self:simple_image_array_property>
|
|
|
|
pub fn clone_${shorthand}_size(&self) -> longhands::${shorthand}_size::computed_value::T {
|
|
longhands::${shorthand}_size::computed_value::List(
|
|
self.${image_layers_field}.mLayers.iter().map(|layer| layer.mSize.clone()).collect()
|
|
)
|
|
}
|
|
|
|
pub fn copy_${shorthand}_image_from(&mut self, other: &Self) {
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
unsafe {
|
|
let count = other.${image_layers_field}.mImageCount;
|
|
Gecko_EnsureImageLayersLength(&mut self.${image_layers_field},
|
|
count as usize,
|
|
LayerType::${shorthand.capitalize()});
|
|
|
|
for (layer, other) in self.${image_layers_field}.mLayers.iter_mut()
|
|
.zip(other.${image_layers_field}.mLayers.iter())
|
|
.take(count as usize) {
|
|
layer.mImage = other.mImage.clone();
|
|
}
|
|
self.${image_layers_field}.mImageCount = count;
|
|
}
|
|
}
|
|
|
|
pub fn reset_${shorthand}_image(&mut self, other: &Self) {
|
|
self.copy_${shorthand}_image_from(other)
|
|
}
|
|
|
|
#[allow(unused_variables)]
|
|
pub fn set_${shorthand}_image<I>(&mut self, images: I)
|
|
where I: IntoIterator<Item = longhands::${shorthand}_image::computed_value::single_value::T>,
|
|
I::IntoIter: ExactSizeIterator
|
|
{
|
|
use crate::gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
|
|
|
|
let images = images.into_iter();
|
|
|
|
unsafe {
|
|
Gecko_EnsureImageLayersLength(
|
|
&mut self.${image_layers_field},
|
|
images.len(),
|
|
LayerType::${shorthand.title()},
|
|
);
|
|
}
|
|
|
|
self.${image_layers_field}.mImageCount = images.len() as u32;
|
|
for (image, geckoimage) in images.zip(self.${image_layers_field}
|
|
.mLayers.iter_mut()) {
|
|
geckoimage.mImage = image;
|
|
}
|
|
}
|
|
|
|
pub fn clone_${shorthand}_image(&self) -> longhands::${shorthand}_image::computed_value::T {
|
|
longhands::${shorthand}_image::computed_value::List(
|
|
self.${image_layers_field}.mLayers.iter()
|
|
.take(self.${image_layers_field}.mImageCount as usize)
|
|
.map(|layer| layer.mImage.clone())
|
|
.collect()
|
|
)
|
|
}
|
|
|
|
<%
|
|
fill_fields = "mRepeat mClip mOrigin mPositionX mPositionY mImage mSize"
|
|
if shorthand == "background":
|
|
fill_fields += " mAttachment mBlendMode"
|
|
else:
|
|
# mSourceURI uses mImageCount
|
|
fill_fields += " mMaskMode mComposite"
|
|
%>
|
|
pub fn fill_arrays(&mut self) {
|
|
use crate::gecko_bindings::bindings::Gecko_FillAllImageLayers;
|
|
use std::cmp;
|
|
let mut max_len = 1;
|
|
% for member in fill_fields.split():
|
|
max_len = cmp::max(max_len, self.${image_layers_field}.${member}Count);
|
|
% endfor
|
|
unsafe {
|
|
// While we could do this manually, we'd need to also manually
|
|
// run all the copy constructors, so we just delegate to gecko
|
|
Gecko_FillAllImageLayers(&mut self.${image_layers_field}, max_len);
|
|
}
|
|
}
|
|
</%def>
|
|
|
|
// TODO: Gecko accepts lists in most background-related properties. We just use
|
|
// the first element (which is the common case), but at some point we want to
|
|
// add support for parsing these lists in servo and pushing to nsTArray's.
|
|
<% skip_background_longhands = """background-repeat
|
|
background-image background-clip
|
|
background-origin background-attachment
|
|
background-size background-position
|
|
background-blend-mode
|
|
background-position-x
|
|
background-position-y""" %>
|
|
<%self:impl_trait style_struct_name="Background"
|
|
skip_longhands="${skip_background_longhands}">
|
|
|
|
<% impl_common_image_layer_properties("background") %>
|
|
<% impl_simple_image_array_property("attachment", "background", "mImage", "mAttachment", "Background") %>
|
|
<% impl_simple_image_array_property("blend_mode", "background", "mImage", "mBlendMode", "Background") %>
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="List">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Table">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Effects">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="InheritedBox">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="InheritedTable">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="InheritedText">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Text">
|
|
</%self:impl_trait>
|
|
|
|
<% skip_svg_longhands = """
|
|
mask-mode mask-repeat mask-clip mask-origin mask-composite mask-position-x mask-position-y mask-size mask-image
|
|
"""
|
|
%>
|
|
<%self:impl_trait style_struct_name="SVG"
|
|
skip_longhands="${skip_svg_longhands}">
|
|
<% impl_common_image_layer_properties("mask") %>
|
|
<% impl_simple_image_array_property("mode", "mask", "mMask", "mMaskMode", "SVG") %>
|
|
<% impl_simple_image_array_property("composite", "mask", "mMask", "mComposite", "SVG") %>
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="InheritedSVG">
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="InheritedUI">
|
|
#[inline]
|
|
pub fn color_scheme_bits(&self) -> values::specified::color::ColorSchemeFlags {
|
|
self.mColorScheme.bits
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Column"
|
|
skip_longhands="column-rule-width column-rule-style">
|
|
pub fn set_column_rule_style(&mut self, v: longhands::column_rule_style::computed_value::T) {
|
|
self.mColumnRuleStyle = v;
|
|
// NB: This is needed to correctly handling the initial value of
|
|
// column-rule-width when colun-rule-style changes, see the
|
|
// update_border_${side.ident} comment for more details.
|
|
self.mActualColumnRuleWidth = self.mColumnRuleWidth;
|
|
}
|
|
|
|
pub fn copy_column_rule_style_from(&mut self, other: &Self) {
|
|
self.set_column_rule_style(other.mColumnRuleStyle);
|
|
}
|
|
|
|
pub fn reset_column_rule_style(&mut self, other: &Self) {
|
|
self.copy_column_rule_style_from(other)
|
|
}
|
|
|
|
pub fn clone_column_rule_style(&self) -> longhands::column_rule_style::computed_value::T {
|
|
self.mColumnRuleStyle.clone()
|
|
}
|
|
|
|
${impl_border_width("column_rule_width", "mActualColumnRuleWidth", "mColumnRuleWidth")}
|
|
|
|
pub fn column_rule_has_nonzero_width(&self) -> bool {
|
|
self.mActualColumnRuleWidth != 0
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="Counters">
|
|
pub fn ineffective_content_property(&self) -> bool {
|
|
!self.mContent.is_items()
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<% skip_ui_longhands = """animation-name animation-delay animation-duration
|
|
animation-direction animation-fill-mode
|
|
animation-play-state animation-iteration-count
|
|
animation-timing-function animation-composition animation-timeline
|
|
transition-behavior transition-duration transition-delay
|
|
transition-timing-function transition-property
|
|
scroll-timeline-name scroll-timeline-axis
|
|
view-timeline-name view-timeline-axis view-timeline-inset""" %>
|
|
|
|
<%self:impl_trait style_struct_name="UI" skip_longhands="${skip_ui_longhands}">
|
|
${impl_coordinated_property('transition', 'behavior', 'Behavior')}
|
|
${impl_coordinated_property('transition', 'delay', 'Delay')}
|
|
${impl_coordinated_property('transition', 'duration', 'Duration')}
|
|
${impl_coordinated_property('transition', 'timing_function', 'TimingFunction')}
|
|
${impl_coordinated_property('transition', 'property', 'Property')}
|
|
|
|
pub fn transition_combined_duration_at(&self, index: usize) -> Time {
|
|
// https://drafts.csswg.org/css-transitions/#transition-combined-duration
|
|
Time::from_seconds(
|
|
self.transition_duration_at(index).seconds().max(0.0) +
|
|
self.transition_delay_at(index).seconds()
|
|
)
|
|
}
|
|
|
|
/// Returns whether there are any transitions specified.
|
|
pub fn specifies_transitions(&self) -> bool {
|
|
if self.mTransitionPropertyCount == 1 &&
|
|
self.transition_combined_duration_at(0).seconds() <= 0.0f32 {
|
|
return false;
|
|
}
|
|
self.mTransitionPropertyCount > 0
|
|
}
|
|
|
|
/// Returns whether animation-timeline is initial value. We need this information to resolve
|
|
/// animation-duration.
|
|
pub fn has_initial_animation_timeline(&self) -> bool {
|
|
self.mAnimationTimelineCount == 1 && self.animation_timeline_at(0).is_auto()
|
|
}
|
|
|
|
pub fn animations_equals(&self, other: &Self) -> bool {
|
|
return self.mAnimationNameCount == other.mAnimationNameCount
|
|
&& self.mAnimationDelayCount == other.mAnimationDelayCount
|
|
&& self.mAnimationDirectionCount == other.mAnimationDirectionCount
|
|
&& self.mAnimationDurationCount == other.mAnimationDurationCount
|
|
&& self.mAnimationFillModeCount == other.mAnimationFillModeCount
|
|
&& self.mAnimationIterationCountCount == other.mAnimationIterationCountCount
|
|
&& self.mAnimationPlayStateCount == other.mAnimationPlayStateCount
|
|
&& self.mAnimationTimingFunctionCount == other.mAnimationTimingFunctionCount
|
|
&& self.mAnimationCompositionCount == other.mAnimationCompositionCount
|
|
&& self.mAnimationTimelineCount == other.mAnimationTimelineCount
|
|
&& unsafe { bindings::Gecko_StyleAnimationsEquals(&self.mAnimations, &other.mAnimations) }
|
|
}
|
|
|
|
${impl_coordinated_property('animation', 'name', 'Name')}
|
|
${impl_coordinated_property('animation', 'delay', 'Delay')}
|
|
${impl_coordinated_property('animation', 'duration', 'Duration')}
|
|
${impl_coordinated_property('animation', 'direction', 'Direction')}
|
|
${impl_coordinated_property('animation', 'fill_mode', 'FillMode')}
|
|
${impl_coordinated_property('animation', 'play_state', 'PlayState')}
|
|
${impl_coordinated_property('animation', 'composition', 'Composition')}
|
|
${impl_coordinated_property('animation', 'iteration_count', 'IterationCount')}
|
|
${impl_coordinated_property('animation', 'timeline', 'Timeline')}
|
|
${impl_coordinated_property('animation', 'timing_function', 'TimingFunction')}
|
|
|
|
${impl_coordinated_property('scroll_timeline', 'name', 'Name')}
|
|
${impl_coordinated_property('scroll_timeline', 'axis', 'Axis')}
|
|
|
|
pub fn scroll_timelines_equals(&self, other: &Self) -> bool {
|
|
self.mScrollTimelineNameCount == other.mScrollTimelineNameCount
|
|
&& self.mScrollTimelineAxisCount == other.mScrollTimelineAxisCount
|
|
&& unsafe {
|
|
bindings::Gecko_StyleScrollTimelinesEquals(
|
|
&self.mScrollTimelines,
|
|
&other.mScrollTimelines,
|
|
)
|
|
}
|
|
}
|
|
|
|
${impl_coordinated_property('view_timeline', 'name', 'Name')}
|
|
${impl_coordinated_property('view_timeline', 'axis', 'Axis')}
|
|
${impl_coordinated_property('view_timeline', 'inset', 'Inset')}
|
|
|
|
pub fn view_timelines_equals(&self, other: &Self) -> bool {
|
|
self.mViewTimelineNameCount == other.mViewTimelineNameCount
|
|
&& self.mViewTimelineAxisCount == other.mViewTimelineAxisCount
|
|
&& self.mViewTimelineInsetCount == other.mViewTimelineInsetCount
|
|
&& unsafe {
|
|
bindings::Gecko_StyleViewTimelinesEquals(
|
|
&self.mViewTimelines,
|
|
&other.mViewTimelines,
|
|
)
|
|
}
|
|
}
|
|
</%self:impl_trait>
|
|
|
|
<%self:impl_trait style_struct_name="XUL">
|
|
</%self:impl_trait>
|
|
|
|
% for style_struct in data.style_structs:
|
|
${impl_style_struct(style_struct)}
|
|
% endfor
|
|
|
|
/// Assert that the initial values set in Gecko style struct constructors
|
|
/// match the values returned by `get_initial_value()` for each longhand.
|
|
#[cfg(feature = "gecko")]
|
|
#[inline]
|
|
pub fn assert_initial_values_match(data: &PerDocumentStyleData) {
|
|
if cfg!(debug_assertions) {
|
|
let data = data.borrow();
|
|
let cv = data.stylist.device().default_computed_values();
|
|
<%
|
|
# Skip properties with initial values that change at computed
|
|
# value time, or whose initial value depends on the document
|
|
# / other prefs.
|
|
SKIPPED = [
|
|
"border-top-width",
|
|
"border-bottom-width",
|
|
"border-left-width",
|
|
"border-right-width",
|
|
"column-rule-width",
|
|
"font-family",
|
|
"font-size",
|
|
"outline-width",
|
|
"color",
|
|
]
|
|
TO_TEST = [p for p in data.longhands if p.enabled_in != "" and not p.logical and not p.name in SKIPPED]
|
|
%>
|
|
% for property in TO_TEST:
|
|
assert_eq!(
|
|
cv.clone_${property.ident}(),
|
|
longhands::${property.ident}::get_initial_value(),
|
|
concat!(
|
|
"initial value in Gecko style struct for ",
|
|
stringify!(${property.ident}),
|
|
" must match longhands::",
|
|
stringify!(${property.ident}),
|
|
"::get_initial_value()"
|
|
)
|
|
);
|
|
% endfor
|
|
}
|
|
}
|