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Merge pull request #3434 from pcwalton/directly-floated-tables
layout: Float table wrappers directly instead of generating a block Reviewed-by: glennw
This commit is contained in:
commit
1fba32af9f
9 changed files with 270 additions and 217 deletions
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@ -555,6 +555,21 @@ impl BlockFlow {
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}
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}
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}
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}
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pub fn float_from_node_and_fragment(node: &ThreadSafeLayoutNode,
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fragment: Fragment,
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float_kind: FloatKind)
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-> BlockFlow {
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let base = BaseFlow::new((*node).clone());
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BlockFlow {
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fragment: fragment,
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is_root: false,
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static_b_offset: Au::new(0),
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previous_float_inline_size: None,
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float: Some(box FloatedBlockInfo::new(float_kind, base.writing_mode)),
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base: base,
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}
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}
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/// Return the type of this block.
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/// Return the type of this block.
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///
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///
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/// This determines the algorithm used to calculate inline-size, block-size, and the
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/// This determines the algorithm used to calculate inline-size, block-size, and the
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@ -582,7 +597,9 @@ impl BlockFlow {
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}
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}
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/// Compute the used value of inline-size for this Block.
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/// Compute the used value of inline-size for this Block.
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fn compute_used_inline_size(&mut self, ctx: &LayoutContext, containing_block_inline_size: Au) {
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pub fn compute_used_inline_size(&mut self,
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ctx: &LayoutContext,
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containing_block_inline_size: Au) {
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let block_type = self.block_type();
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let block_type = self.block_type();
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match block_type {
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match block_type {
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AbsoluteReplacedType => {
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AbsoluteReplacedType => {
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@ -875,7 +892,6 @@ impl BlockFlow {
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continue
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continue
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}
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}
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// If we have clearance, assume there are no floats in.
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// If we have clearance, assume there are no floats in.
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//
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//
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// FIXME(#2008, pcwalton): This could be wrong if we have `clear: left` or `clear:
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// FIXME(#2008, pcwalton): This could be wrong if we have `clear: left` or `clear:
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@ -1028,7 +1044,7 @@ impl BlockFlow {
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/// This does not give any information about any float descendants because they do not affect
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/// This does not give any information about any float descendants because they do not affect
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/// elements outside of the subtree rooted at this float.
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/// elements outside of the subtree rooted at this float.
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///
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///
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/// This function is called on a kid flow by a parent. Therefore, `assign_block-size_float` was
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/// This function is called on a kid flow by a parent. Therefore, `assign_block_size_float` was
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/// already called on this kid flow by the traversal function. So, the values used are
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/// already called on this kid flow by the traversal function. So, the values used are
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/// well-defined.
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/// well-defined.
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pub fn place_float(&mut self) {
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pub fn place_float(&mut self) {
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@ -2128,12 +2144,12 @@ pub trait ISizeAndMarginsComputer {
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///
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///
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/// They mainly differ in the way inline-size and block-sizes and margins are calculated
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/// They mainly differ in the way inline-size and block-sizes and margins are calculated
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/// for them.
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/// for them.
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struct AbsoluteNonReplaced;
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pub struct AbsoluteNonReplaced;
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struct AbsoluteReplaced;
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pub struct AbsoluteReplaced;
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struct BlockNonReplaced;
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pub struct BlockNonReplaced;
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struct BlockReplaced;
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pub struct BlockReplaced;
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struct FloatNonReplaced;
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pub struct FloatNonReplaced;
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struct FloatReplaced;
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pub struct FloatReplaced;
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impl ISizeAndMarginsComputer for AbsoluteNonReplaced {
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impl ISizeAndMarginsComputer for AbsoluteNonReplaced {
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/// Solve the horizontal constraint equation for absolute non-replaced elements.
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/// Solve the horizontal constraint equation for absolute non-replaced elements.
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@ -735,7 +735,13 @@ impl<'a> FlowConstructor<'a> {
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fn build_flow_for_table_wrapper(&mut self, node: &ThreadSafeLayoutNode,
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fn build_flow_for_table_wrapper(&mut self, node: &ThreadSafeLayoutNode,
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float_value: float::T) -> ConstructionResult {
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float_value: float::T) -> ConstructionResult {
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let fragment = Fragment::new_from_specific_info(node, TableWrapperFragment);
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let fragment = Fragment::new_from_specific_info(node, TableWrapperFragment);
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let wrapper_flow = box TableWrapperFlow::from_node_and_fragment(node, fragment);
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let wrapper_flow = match float_value {
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float::none => box TableWrapperFlow::from_node_and_fragment(node, fragment),
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_ => {
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let float_kind = FloatKind::from_property(float_value);
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box TableWrapperFlow::float_from_node_and_fragment(node, fragment, float_kind)
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}
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};
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let mut wrapper_flow = FlowRef::new(wrapper_flow as Box<Flow>);
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let mut wrapper_flow = FlowRef::new(wrapper_flow as Box<Flow>);
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let table_fragment = Fragment::new_from_specific_info(node, TableFragment);
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let table_fragment = Fragment::new_from_specific_info(node, TableFragment);
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@ -784,20 +790,8 @@ impl<'a> FlowConstructor<'a> {
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}
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}
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}
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}
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match float_value {
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float::none => {
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FlowConstructionResult(wrapper_flow, abs_descendants)
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FlowConstructionResult(wrapper_flow, abs_descendants)
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}
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}
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_ => {
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let float_kind = FloatKind::from_property(float_value);
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let float_flow = box BlockFlow::float_from_node(self, node, float_kind) as Box<Flow>;
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let mut float_flow = FlowRef::new(float_flow);
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float_flow.add_new_child(wrapper_flow);
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float_flow.finish(self.layout_context);
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FlowConstructionResult(float_flow, abs_descendants)
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}
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}
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}
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/// Builds a flow for a node with `display: table-caption`. This yields a `TableCaptionFlow`
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/// Builds a flow for a node with `display: table-caption`. This yields a `TableCaptionFlow`
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/// with possibly other `BlockFlow`s or `InlineFlow`s underneath it.
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/// with possibly other `BlockFlow`s or `InlineFlow`s underneath it.
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@ -12,7 +12,7 @@ use style::computed_values::float;
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use sync::Arc;
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use sync::Arc;
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/// The kind of float: left or right.
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/// The kind of float: left or right.
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#[deriving(Clone, Encodable)]
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#[deriving(Clone, Encodable, Show)]
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pub enum FloatKind {
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pub enum FloatKind {
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FloatLeft,
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FloatLeft,
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FloatRight
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FloatRight
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@ -228,12 +228,6 @@ pub trait Flow: fmt::Show + ToString + Sync {
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float::none
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float::none
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}
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}
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/// Returns true if this float is a block formatting context and false otherwise. The default
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/// implementation returns false.
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fn is_block_formatting_context(&self, _only_impactable_by_floats: bool) -> bool {
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false
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}
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fn compute_collapsible_block_start_margin(&mut self,
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fn compute_collapsible_block_start_margin(&mut self,
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_layout_context: &mut LayoutContext,
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_layout_context: &mut LayoutContext,
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_margin_collapse_info: &mut MarginCollapseInfo) {
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_margin_collapse_info: &mut MarginCollapseInfo) {
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@ -837,7 +831,7 @@ impl BaseFlow {
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}
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}
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impl<'a> ImmutableFlowUtils for &'a Flow + 'a {
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impl<'a> ImmutableFlowUtils for &'a Flow + 'a {
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/// Returns true if this flow is a block or a float flow.
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/// Returns true if this flow is a block flow.
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fn is_block_like(self) -> bool {
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fn is_block_like(self) -> bool {
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match self.class() {
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match self.class() {
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BlockFlowClass => true,
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BlockFlowClass => true,
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@ -295,6 +295,10 @@ impl Flow for TableFlow {
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_ => {}
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_ => {}
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}
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}
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// As tables are always wrapped inside a table wrapper, they are never impacted by floats.
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self.block_flow.base.flags.set_impacted_by_left_floats(false);
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self.block_flow.base.flags.set_impacted_by_right_floats(false);
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self.block_flow.propagate_assigned_inline_size_to_children(inline_start_content_edge, content_inline_size, Some(self.col_inline_sizes.clone()));
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self.block_flow.propagate_assigned_inline_size_to_children(inline_start_content_edge, content_inline_size, Some(self.col_inline_sizes.clone()));
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}
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}
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@ -2,25 +2,24 @@
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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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 http://mozilla.org/MPL/2.0/. */
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! CSS table formatting contexts.
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//! CSS tables.
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#![deny(unsafe_block)]
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#![deny(unsafe_block)]
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use block::{BlockFlow, MarginsMayNotCollapse, ISizeAndMarginsComputer};
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use block::{BlockFlow, BlockNonReplaced, FloatNonReplaced, ISizeAndMarginsComputer};
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use block::{ISizeConstraintInput, ISizeConstraintSolution};
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use block::{ISizeConstraintInput, MarginsMayNotCollapse};
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use construct::FlowConstructor;
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use construct::FlowConstructor;
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use context::LayoutContext;
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use context::LayoutContext;
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use floats::FloatKind;
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use floats::FloatKind;
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use flow::{TableWrapperFlowClass, FlowClass, Flow, ImmutableFlowUtils};
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use flow::{TableWrapperFlowClass, FlowClass, Flow, ImmutableFlowUtils};
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use fragment::Fragment;
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use fragment::Fragment;
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use layout_debug;
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use model::{Specified, Auto, specified};
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use model::{Specified, Auto, specified};
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use wrapper::ThreadSafeLayoutNode;
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use wrapper::ThreadSafeLayoutNode;
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use servo_util::geometry::Au;
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use servo_util::geometry::Au;
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use std::cmp::max;
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use std::cmp::max;
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use std::fmt;
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use std::fmt;
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use style::computed_values::table_layout;
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use style::computed_values::{float, table_layout};
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#[deriving(Encodable)]
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#[deriving(Encodable)]
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pub enum TableLayout {
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pub enum TableLayout {
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@ -75,11 +74,11 @@ impl TableWrapperFlow {
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}
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}
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}
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}
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pub fn float_from_node(constructor: &mut FlowConstructor,
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pub fn float_from_node_and_fragment(node: &ThreadSafeLayoutNode,
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node: &ThreadSafeLayoutNode,
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fragment: Fragment,
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float_kind: FloatKind)
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float_kind: FloatKind)
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-> TableWrapperFlow {
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-> TableWrapperFlow {
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let mut block_flow = BlockFlow::float_from_node(constructor, node, float_kind);
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let mut block_flow = BlockFlow::float_from_node_and_fragment(node, fragment, float_kind);
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let table_layout = if block_flow.fragment().style().get_table().table_layout ==
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let table_layout = if block_flow.fragment().style().get_table().table_layout ==
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table_layout::fixed {
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table_layout::fixed {
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FixedLayout
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FixedLayout
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@ -93,24 +92,143 @@ impl TableWrapperFlow {
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}
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}
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}
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}
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pub fn is_float(&self) -> bool {
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self.block_flow.float.is_some()
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}
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/// Assign block-size for table-wrapper flow.
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/// `Assign block-size` of table-wrapper flow follows a similar process to that of block flow.
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///
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/// inline(always) because this is only ever called by in-order or non-in-order top-level
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/// methods
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#[inline(always)]
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fn assign_block_size_table_wrapper_base<'a>(&mut self, layout_context: &'a LayoutContext<'a>) {
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self.block_flow.assign_block_size_block_base(layout_context, MarginsMayNotCollapse);
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}
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pub fn build_display_list_table_wrapper(&mut self, layout_context: &LayoutContext) {
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pub fn build_display_list_table_wrapper(&mut self, layout_context: &LayoutContext) {
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debug!("build_display_list_table_wrapper: same process as block flow");
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debug!("build_display_list_table_wrapper: same process as block flow");
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self.block_flow.build_display_list_block(layout_context);
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self.block_flow.build_display_list_block(layout_context);
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}
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}
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fn calculate_table_column_sizes(&mut self, mut input: ISizeConstraintInput)
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-> ISizeConstraintInput {
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let style = self.block_flow.fragment.style();
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// Get inline-start and inline-end paddings, borders for table.
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// We get these values from the fragment's style since table_wrapper doesn't have its own
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// border or padding. input.available_inline_size is same as containing_block_inline_size
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// in table_wrapper.
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let padding = style.logical_padding();
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let border = style.logical_border_width();
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let padding_and_borders =
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specified(padding.inline_start, input.available_inline_size) +
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specified(padding.inline_end, input.available_inline_size) +
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border.inline_start +
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border.inline_end;
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let computed_inline_size = match self.table_layout {
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FixedLayout => {
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let fixed_cells_inline_size = self.col_inline_sizes
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.iter()
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.fold(Au(0), |sum, inline_size| {
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sum.add(inline_size)
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});
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let mut computed_inline_size = input.computed_inline_size.specified_or_zero();
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// Compare border-edge inline-sizes. Because fixed_cells_inline_size indicates
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// content-inline-size, padding and border values are added to
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// fixed_cells_inline_size.
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computed_inline_size = max(
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fixed_cells_inline_size + padding_and_borders, computed_inline_size);
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computed_inline_size
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},
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AutoLayout => {
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// Automatic table layout is calculated according to CSS 2.1 § 17.5.2.2.
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let mut cap_min = Au(0);
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let mut cols_min = Au(0);
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let mut cols_max = Au(0);
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let mut col_min_inline_sizes = &vec!();
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let mut col_pref_inline_sizes = &vec!();
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for kid in self.block_flow.base.child_iter() {
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if kid.is_table_caption() {
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cap_min = kid.as_block().base.intrinsic_inline_sizes.minimum_inline_size;
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} else {
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assert!(kid.is_table());
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cols_min = kid.as_block().base.intrinsic_inline_sizes.minimum_inline_size;
|
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cols_max = kid.as_block()
|
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|
.base
|
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|
.intrinsic_inline_sizes
|
||||||
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.preferred_inline_size;
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col_min_inline_sizes = kid.col_min_inline_sizes();
|
||||||
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col_pref_inline_sizes = kid.col_pref_inline_sizes();
|
||||||
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}
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}
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||||||
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// 'extra_inline-size': difference between the calculated table inline-size and
|
||||||
|
// minimum inline-size required by all columns. It will be distributed over the
|
||||||
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// columns.
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||||||
|
let (inline_size, extra_inline_size) = match input.computed_inline_size {
|
||||||
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Auto => {
|
||||||
|
if input.available_inline_size > max(cols_max, cap_min) {
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||||||
|
if cols_max > cap_min {
|
||||||
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self.col_inline_sizes = col_pref_inline_sizes.clone();
|
||||||
|
(cols_max, Au(0))
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||||||
|
} else {
|
||||||
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(cap_min, cap_min - cols_min)
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||||||
|
}
|
||||||
|
} else {
|
||||||
|
let max = if cols_min >= input.available_inline_size &&
|
||||||
|
cols_min >= cap_min {
|
||||||
|
self.col_inline_sizes = col_min_inline_sizes.clone();
|
||||||
|
cols_min
|
||||||
|
} else {
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||||||
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max(input.available_inline_size, cap_min)
|
||||||
|
};
|
||||||
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(max, max - cols_min)
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||||||
|
}
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||||||
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},
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||||||
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Specified(inline_size) => {
|
||||||
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let max = if cols_min >= inline_size && cols_min >= cap_min {
|
||||||
|
self.col_inline_sizes = col_min_inline_sizes.clone();
|
||||||
|
cols_min
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||||||
|
} else {
|
||||||
|
max(inline_size, cap_min)
|
||||||
|
};
|
||||||
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(max, max - cols_min)
|
||||||
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}
|
||||||
|
};
|
||||||
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// The extra inline-size is distributed over the columns
|
||||||
|
if extra_inline_size > Au(0) {
|
||||||
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let cell_len = self.col_inline_sizes.len() as f64;
|
||||||
|
self.col_inline_sizes = col_min_inline_sizes.iter()
|
||||||
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.map(|inline_size| {
|
||||||
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inline_size + extra_inline_size.scale_by(1.0 / cell_len)
|
||||||
|
}).collect();
|
||||||
|
}
|
||||||
|
inline_size + padding_and_borders
|
||||||
|
}
|
||||||
|
};
|
||||||
|
input.computed_inline_size = Specified(computed_inline_size);
|
||||||
|
input
|
||||||
|
}
|
||||||
|
|
||||||
|
fn compute_used_inline_size(&mut self,
|
||||||
|
layout_context: &LayoutContext,
|
||||||
|
parent_flow_inline_size: Au) {
|
||||||
|
// Delegate to the appropriate inline size computer to find the constraint inputs.
|
||||||
|
let mut input = if self.is_float() {
|
||||||
|
FloatNonReplaced.compute_inline_size_constraint_inputs(&mut self.block_flow,
|
||||||
|
parent_flow_inline_size,
|
||||||
|
layout_context)
|
||||||
|
} else {
|
||||||
|
BlockNonReplaced.compute_inline_size_constraint_inputs(&mut self.block_flow,
|
||||||
|
parent_flow_inline_size,
|
||||||
|
layout_context)
|
||||||
|
};
|
||||||
|
|
||||||
|
// Compute the inline sizes of the columns.
|
||||||
|
input = self.calculate_table_column_sizes(input);
|
||||||
|
|
||||||
|
// Delegate to the appropriate inline size computer to write the constraint solutions in.
|
||||||
|
if self.is_float() {
|
||||||
|
let solution = FloatNonReplaced.solve_inline_size_constraints(&mut self.block_flow,
|
||||||
|
&input);
|
||||||
|
FloatNonReplaced.set_inline_size_constraint_solutions(&mut self.block_flow, solution);
|
||||||
|
FloatNonReplaced.set_flow_x_coord_if_necessary(&mut self.block_flow, solution);
|
||||||
|
} else {
|
||||||
|
let solution = BlockNonReplaced.solve_inline_size_constraints(&mut self.block_flow,
|
||||||
|
&input);
|
||||||
|
BlockNonReplaced.set_inline_size_constraint_solutions(&mut self.block_flow, solution);
|
||||||
|
BlockNonReplaced.set_flow_x_coord_if_necessary(&mut self.block_flow, solution);
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl Flow for TableWrapperFlow {
|
impl Flow for TableWrapperFlow {
|
||||||
|
@ -118,11 +236,11 @@ impl Flow for TableWrapperFlow {
|
||||||
TableWrapperFlowClass
|
TableWrapperFlowClass
|
||||||
}
|
}
|
||||||
|
|
||||||
fn as_table_wrapper<'a>(&'a mut self) -> &'a mut TableWrapperFlow {
|
fn is_float(&self) -> bool {
|
||||||
self
|
self.block_flow.is_float()
|
||||||
}
|
}
|
||||||
|
|
||||||
fn as_immutable_table_wrapper<'a>(&'a self) -> &'a TableWrapperFlow {
|
fn as_table_wrapper<'a>(&'a mut self) -> &'a mut TableWrapperFlow {
|
||||||
self
|
self
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -130,16 +248,11 @@ impl Flow for TableWrapperFlow {
|
||||||
&mut self.block_flow
|
&mut self.block_flow
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Recursively (bottom-up) determine the context's preferred and
|
fn float_kind(&self) -> float::T {
|
||||||
minimum inline_sizes. When called on this context, all child contexts
|
self.block_flow.float_kind()
|
||||||
have had their min/pref inline_sizes set. This function must decide
|
}
|
||||||
min/pref inline_sizes based on child context inline_sizes and dimensions of
|
|
||||||
any fragments it is responsible for flowing. */
|
|
||||||
|
|
||||||
fn bubble_inline_sizes(&mut self, ctx: &LayoutContext) {
|
fn bubble_inline_sizes(&mut self, ctx: &LayoutContext) {
|
||||||
let _scope = layout_debug_scope!("table_wrapper::bubble_inline_sizes {:s}",
|
|
||||||
self.block_flow.base.debug_id());
|
|
||||||
|
|
||||||
// get column inline-sizes info from table flow
|
// get column inline-sizes info from table flow
|
||||||
for kid in self.block_flow.base.child_iter() {
|
for kid in self.block_flow.base.child_iter() {
|
||||||
assert!(kid.is_table_caption() || kid.is_table());
|
assert!(kid.is_table_caption() || kid.is_table());
|
||||||
|
@ -152,14 +265,7 @@ impl Flow for TableWrapperFlow {
|
||||||
self.block_flow.bubble_inline_sizes(ctx);
|
self.block_flow.bubble_inline_sizes(ctx);
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Recursively (top-down) determines the actual inline-size of child contexts and fragments. When
|
fn assign_inline_sizes(&mut self, layout_context: &LayoutContext) {
|
||||||
/// called on this context, the context has had its inline-size set by the parent context.
|
|
||||||
///
|
|
||||||
/// Dual fragments consume some inline-size first, and the remainder is assigned to all child (block)
|
|
||||||
/// contexts.
|
|
||||||
fn assign_inline_sizes(&mut self, ctx: &LayoutContext) {
|
|
||||||
let _scope = layout_debug_scope!("table_wrapper::assign_inline_sizes {:s}",
|
|
||||||
self.block_flow.base.debug_id());
|
|
||||||
debug!("assign_inline_sizes({}): assigning inline_size for flow",
|
debug!("assign_inline_sizes({}): assigning inline_size for flow",
|
||||||
if self.is_float() {
|
if self.is_float() {
|
||||||
"floated table_wrapper"
|
"floated table_wrapper"
|
||||||
|
@ -167,42 +273,58 @@ impl Flow for TableWrapperFlow {
|
||||||
"table_wrapper"
|
"table_wrapper"
|
||||||
});
|
});
|
||||||
|
|
||||||
// The position was set to the containing block by the flow's parent.
|
// Table wrappers are essentially block formatting contexts and are therefore never
|
||||||
let containing_block_inline_size = self.block_flow.base.position.size.inline;
|
// impacted by floats.
|
||||||
|
self.block_flow.base.flags.set_impacted_by_left_floats(false);
|
||||||
|
self.block_flow.base.flags.set_impacted_by_right_floats(false);
|
||||||
|
|
||||||
let inline_size_computer = TableWrapper;
|
// Our inline-size was set to the inline-size of the containing block by the flow's parent.
|
||||||
inline_size_computer.compute_used_inline_size_table_wrapper(self, ctx, containing_block_inline_size);
|
// Now compute the real value.
|
||||||
|
let containing_block_inline_size = self.block_flow.base.position.size.inline;
|
||||||
|
if self.is_float() {
|
||||||
|
self.block_flow.float.get_mut_ref().containing_inline_size =
|
||||||
|
containing_block_inline_size;
|
||||||
|
}
|
||||||
|
|
||||||
|
self.compute_used_inline_size(layout_context, containing_block_inline_size);
|
||||||
|
|
||||||
let inline_start_content_edge = self.block_flow.fragment.border_box.start.i;
|
let inline_start_content_edge = self.block_flow.fragment.border_box.start.i;
|
||||||
let content_inline_size = self.block_flow.fragment.border_box.size.inline;
|
let content_inline_size = self.block_flow.fragment.border_box.size.inline;
|
||||||
|
|
||||||
match self.table_layout {
|
|
||||||
FixedLayout | _ if self.is_float() =>
|
|
||||||
self.block_flow.base.position.size.inline = content_inline_size,
|
|
||||||
_ => {}
|
|
||||||
}
|
|
||||||
|
|
||||||
// In case of fixed layout, column inline-sizes are calculated in table flow.
|
// In case of fixed layout, column inline-sizes are calculated in table flow.
|
||||||
let assigned_col_inline_sizes = match self.table_layout {
|
let assigned_col_inline_sizes = match self.table_layout {
|
||||||
FixedLayout => None,
|
FixedLayout => None,
|
||||||
AutoLayout => Some(self.col_inline_sizes.clone())
|
AutoLayout => Some(self.col_inline_sizes.clone())
|
||||||
};
|
};
|
||||||
self.block_flow.propagate_assigned_inline_size_to_children(inline_start_content_edge, content_inline_size, assigned_col_inline_sizes);
|
|
||||||
|
self.block_flow.propagate_assigned_inline_size_to_children(inline_start_content_edge,
|
||||||
|
content_inline_size,
|
||||||
|
assigned_col_inline_sizes);
|
||||||
}
|
}
|
||||||
|
|
||||||
fn assign_block_size<'a>(&mut self, ctx: &'a LayoutContext<'a>) {
|
fn assign_block_size<'a>(&mut self, ctx: &'a LayoutContext<'a>) {
|
||||||
if self.is_float() {
|
|
||||||
debug!("assign_block_size_float: assigning block_size for floated table_wrapper");
|
|
||||||
self.block_flow.assign_block_size_float(ctx);
|
|
||||||
} else {
|
|
||||||
debug!("assign_block_size: assigning block_size for table_wrapper");
|
debug!("assign_block_size: assigning block_size for table_wrapper");
|
||||||
self.assign_block_size_table_wrapper_base(ctx);
|
self.block_flow.assign_block_size_block_base(ctx, MarginsMayNotCollapse);
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
fn compute_absolute_position(&mut self) {
|
fn compute_absolute_position(&mut self) {
|
||||||
self.block_flow.compute_absolute_position()
|
self.block_flow.compute_absolute_position()
|
||||||
}
|
}
|
||||||
|
|
||||||
|
fn assign_block_size_for_inorder_child_if_necessary<'a>(&mut self,
|
||||||
|
layout_context: &'a LayoutContext<'a>)
|
||||||
|
-> bool {
|
||||||
|
if self.block_flow.is_float() {
|
||||||
|
self.block_flow.place_float();
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
|
||||||
|
let impacted = self.block_flow.base.flags.impacted_by_floats();
|
||||||
|
if impacted {
|
||||||
|
self.assign_block_size(layout_context);
|
||||||
|
}
|
||||||
|
impacted
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl fmt::Show for TableWrapperFlow {
|
impl fmt::Show for TableWrapperFlow {
|
||||||
|
@ -215,125 +337,3 @@ impl fmt::Show for TableWrapperFlow {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
struct TableWrapper;
|
|
||||||
|
|
||||||
impl TableWrapper {
|
|
||||||
fn compute_used_inline_size_table_wrapper(&self,
|
|
||||||
table_wrapper: &mut TableWrapperFlow,
|
|
||||||
ctx: &LayoutContext,
|
|
||||||
parent_flow_inline_size: Au) {
|
|
||||||
let input = self.compute_inline_size_constraint_inputs_table_wrapper(table_wrapper,
|
|
||||||
parent_flow_inline_size,
|
|
||||||
ctx);
|
|
||||||
|
|
||||||
let solution = self.solve_inline_size_constraints(&mut table_wrapper.block_flow, &input);
|
|
||||||
|
|
||||||
self.set_inline_size_constraint_solutions(&mut table_wrapper.block_flow, solution);
|
|
||||||
self.set_flow_x_coord_if_necessary(&mut table_wrapper.block_flow, solution);
|
|
||||||
}
|
|
||||||
|
|
||||||
fn compute_inline_size_constraint_inputs_table_wrapper(&self,
|
|
||||||
table_wrapper: &mut TableWrapperFlow,
|
|
||||||
parent_flow_inline_size: Au,
|
|
||||||
ctx: &LayoutContext)
|
|
||||||
-> ISizeConstraintInput {
|
|
||||||
let mut input = self.compute_inline_size_constraint_inputs(&mut table_wrapper.block_flow,
|
|
||||||
parent_flow_inline_size,
|
|
||||||
ctx);
|
|
||||||
let style = table_wrapper.block_flow.fragment.style();
|
|
||||||
|
|
||||||
// Get inline-start and inline-end paddings, borders for table.
|
|
||||||
// We get these values from the fragment's style since table_wrapper doesn't have it's own border or padding.
|
|
||||||
// input.available_inline-size is same as containing_block_inline-size in table_wrapper.
|
|
||||||
let padding = style.logical_padding();
|
|
||||||
let border = style.logical_border_width();
|
|
||||||
let padding_and_borders =
|
|
||||||
specified(padding.inline_start, input.available_inline_size) +
|
|
||||||
specified(padding.inline_end, input.available_inline_size) +
|
|
||||||
border.inline_start +
|
|
||||||
border.inline_end;
|
|
||||||
|
|
||||||
let computed_inline_size = match table_wrapper.table_layout {
|
|
||||||
FixedLayout => {
|
|
||||||
let fixed_cells_inline_size = table_wrapper.col_inline_sizes.iter().fold(Au(0),
|
|
||||||
|sum, inline_size| sum.add(inline_size));
|
|
||||||
|
|
||||||
let mut computed_inline_size = input.computed_inline_size.specified_or_zero();
|
|
||||||
|
|
||||||
// Compare border-edge inline-sizes. Because fixed_cells_inline-size indicates content-inline-size,
|
|
||||||
// padding and border values are added to fixed_cells_inline-size.
|
|
||||||
computed_inline_size = max(
|
|
||||||
fixed_cells_inline_size + padding_and_borders, computed_inline_size);
|
|
||||||
computed_inline_size
|
|
||||||
},
|
|
||||||
AutoLayout => {
|
|
||||||
// Automatic table layout is calculated according to CSS 2.1 § 17.5.2.2.
|
|
||||||
let mut cap_min = Au(0);
|
|
||||||
let mut cols_min = Au(0);
|
|
||||||
let mut cols_max = Au(0);
|
|
||||||
let mut col_min_inline_sizes = &vec!();
|
|
||||||
let mut col_pref_inline_sizes = &vec!();
|
|
||||||
for kid in table_wrapper.block_flow.base.child_iter() {
|
|
||||||
if kid.is_table_caption() {
|
|
||||||
cap_min = kid.as_block().base.intrinsic_inline_sizes.minimum_inline_size;
|
|
||||||
} else {
|
|
||||||
assert!(kid.is_table());
|
|
||||||
cols_min = kid.as_block().base.intrinsic_inline_sizes.minimum_inline_size;
|
|
||||||
cols_max = kid.as_block().base.intrinsic_inline_sizes.preferred_inline_size;
|
|
||||||
col_min_inline_sizes = kid.col_min_inline_sizes();
|
|
||||||
col_pref_inline_sizes = kid.col_pref_inline_sizes();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// 'extra_inline-size': difference between the calculated table inline-size and minimum inline-size
|
|
||||||
// required by all columns. It will be distributed over the columns.
|
|
||||||
let (inline_size, extra_inline_size) = match input.computed_inline_size {
|
|
||||||
Auto => {
|
|
||||||
if input.available_inline_size > max(cols_max, cap_min) {
|
|
||||||
if cols_max > cap_min {
|
|
||||||
table_wrapper.col_inline_sizes = col_pref_inline_sizes.clone();
|
|
||||||
(cols_max, Au(0))
|
|
||||||
} else {
|
|
||||||
(cap_min, cap_min - cols_min)
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
let max = if cols_min >= input.available_inline_size && cols_min >= cap_min {
|
|
||||||
table_wrapper.col_inline_sizes = col_min_inline_sizes.clone();
|
|
||||||
cols_min
|
|
||||||
} else {
|
|
||||||
max(input.available_inline_size, cap_min)
|
|
||||||
};
|
|
||||||
(max, max - cols_min)
|
|
||||||
}
|
|
||||||
},
|
|
||||||
Specified(inline_size) => {
|
|
||||||
let max = if cols_min >= inline_size && cols_min >= cap_min {
|
|
||||||
table_wrapper.col_inline_sizes = col_min_inline_sizes.clone();
|
|
||||||
cols_min
|
|
||||||
} else {
|
|
||||||
max(inline_size, cap_min)
|
|
||||||
};
|
|
||||||
(max, max - cols_min)
|
|
||||||
}
|
|
||||||
};
|
|
||||||
// The extra inline-size is distributed over the columns
|
|
||||||
if extra_inline_size > Au(0) {
|
|
||||||
let cell_len = table_wrapper.col_inline_sizes.len() as f64;
|
|
||||||
table_wrapper.col_inline_sizes = col_min_inline_sizes.iter().map(|inline_size| {
|
|
||||||
inline_size + extra_inline_size.scale_by(1.0 / cell_len)
|
|
||||||
}).collect();
|
|
||||||
}
|
|
||||||
inline_size + padding_and_borders
|
|
||||||
}
|
|
||||||
};
|
|
||||||
input.computed_inline_size = Specified(computed_inline_size);
|
|
||||||
input
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl ISizeAndMarginsComputer for TableWrapper {
|
|
||||||
/// Solve the inline-size and margins constraints for this block flow.
|
|
||||||
fn solve_inline_size_constraints(&self, block: &mut BlockFlow, input: &ISizeConstraintInput)
|
|
||||||
-> ISizeConstraintSolution {
|
|
||||||
self.solve_block_inline_size_constraints(block, input)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
|
@ -144,3 +144,4 @@ flaky_gpu,flaky_linux == acid2_noscroll.html acid2_ref_broken.html
|
||||||
== whitespace_nowrap_a.html whitespace_nowrap_ref.html
|
== whitespace_nowrap_a.html whitespace_nowrap_ref.html
|
||||||
== block_formatting_context_relative_a.html block_formatting_context_ref.html
|
== block_formatting_context_relative_a.html block_formatting_context_ref.html
|
||||||
== block_formatting_context_translation_a.html block_formatting_context_translation_ref.html
|
== block_formatting_context_translation_a.html block_formatting_context_translation_ref.html
|
||||||
|
== floated_table_with_margin_a.html floated_table_with_margin_ref.html
|
||||||
|
|
22
tests/ref/floated_table_with_margin_a.html
Normal file
22
tests/ref/floated_table_with_margin_a.html
Normal file
|
@ -0,0 +1,22 @@
|
||||||
|
<!DOCTYPE html>
|
||||||
|
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<title>Rust - Wikipedia, the free encyclopedia</title>
|
||||||
|
<style>
|
||||||
|
body {
|
||||||
|
margin: 0;
|
||||||
|
}
|
||||||
|
</style>
|
||||||
|
</head>
|
||||||
|
|
||||||
|
<body>
|
||||||
|
<table style="float: right; margin: 0px 0px 0em 1em; width: 100px; background: red;">
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
</table>
|
||||||
|
</body>
|
||||||
|
</html>
|
22
tests/ref/floated_table_with_margin_ref.html
Normal file
22
tests/ref/floated_table_with_margin_ref.html
Normal file
|
@ -0,0 +1,22 @@
|
||||||
|
<!DOCTYPE html>
|
||||||
|
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<title>Rust - Wikipedia, the free encyclopedia</title>
|
||||||
|
<style>
|
||||||
|
body {
|
||||||
|
margin: 0;
|
||||||
|
}
|
||||||
|
</style>
|
||||||
|
</head>
|
||||||
|
|
||||||
|
<body>
|
||||||
|
<div style="float: right"><table style="margin: 0px 0px 0em 1em; width: 100px; background: red;">
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
<tr><td>foo</td></tr>
|
||||||
|
</table></div>
|
||||||
|
</body>
|
||||||
|
</html>
|
Loading…
Add table
Add a link
Reference in a new issue