mirror of
https://github.com/servo/servo.git
synced 2025-08-03 04:30:10 +01:00
Switch to new methods for size calculation of replaced elements
Use `calculate_replaced_sizes()` in `compute_intrinsic_inline_sizes()` and `assign_replaced_inline_size_if_necessary()`, and remove size calculation in `assign_replaced_block_size_if_necessary()`, since we've already done that.
This commit is contained in:
Pu Xingyu
parent
d3ab919745
commit
19a4f8f6c1
1 changed files with 61 additions and 154 deletions
|
|
@ -1745,66 +1745,42 @@ impl Fragment {
|
|||
let block_flow = info.flow_ref.as_block();
|
||||
result.union_block(&block_flow.base.intrinsic_inline_sizes)
|
||||
}
|
||||
SpecificFragmentInfo::Image(ref mut image_fragment_info) => {
|
||||
let mut image_inline_size = match self.style.content_inline_size() {
|
||||
SpecificFragmentInfo::Image(_) |
|
||||
SpecificFragmentInfo::Canvas(_) |
|
||||
SpecificFragmentInfo::Iframe(_) |
|
||||
SpecificFragmentInfo::Svg(_) => {
|
||||
let mut inline_size = match self.style.content_inline_size() {
|
||||
LengthOrPercentageOrAuto::Auto |
|
||||
LengthOrPercentageOrAuto::Percentage(_) => {
|
||||
image_fragment_info.image_inline_size()
|
||||
// We have to initialize the `border_padding` field first to make
|
||||
// the size constraints work properly.
|
||||
// TODO(stshine): Find a cleaner way to do this.
|
||||
let padding = self.style.logical_padding();
|
||||
self.border_padding.inline_start = model::specified(padding.inline_start, Au(0));
|
||||
self.border_padding.inline_end = model::specified(padding.inline_end, Au(0));
|
||||
self.border_padding.block_start = model::specified(padding.block_start, Au(0));
|
||||
self.border_padding.block_end = model::specified(padding.block_end, Au(0));
|
||||
let border = self.border_width();
|
||||
self.border_padding.inline_start += border.inline_start;
|
||||
self.border_padding.inline_end += border.inline_end;
|
||||
self.border_padding.block_start += border.block_start;
|
||||
self.border_padding.block_end += border.block_end;
|
||||
let (result_inline, _) = self.calculate_replaced_sizes(None, None);
|
||||
result_inline
|
||||
}
|
||||
LengthOrPercentageOrAuto::Length(length) => length,
|
||||
LengthOrPercentageOrAuto::Calc(calc) => calc.length(),
|
||||
};
|
||||
|
||||
image_inline_size = max(model::specified(self.style.min_inline_size(), Au(0)), image_inline_size);
|
||||
if let Some(max) = model::specified_or_none(self.style.max_inline_size(), Au(0)) {
|
||||
image_inline_size = min(image_inline_size, max)
|
||||
}
|
||||
let size_constraint = self.size_constraint(None, Direction::Inline);
|
||||
inline_size = size_constraint.clamp(inline_size);
|
||||
|
||||
result.union_block(&IntrinsicISizes {
|
||||
minimum_inline_size: image_inline_size,
|
||||
preferred_inline_size: image_inline_size,
|
||||
minimum_inline_size: inline_size,
|
||||
preferred_inline_size: inline_size,
|
||||
});
|
||||
}
|
||||
SpecificFragmentInfo::Canvas(ref mut canvas_fragment_info) => {
|
||||
let mut canvas_inline_size = match self.style.content_inline_size() {
|
||||
LengthOrPercentageOrAuto::Auto |
|
||||
LengthOrPercentageOrAuto::Percentage(_) => {
|
||||
canvas_fragment_info.canvas_inline_size()
|
||||
}
|
||||
LengthOrPercentageOrAuto::Length(length) => length,
|
||||
LengthOrPercentageOrAuto::Calc(calc) => calc.length(),
|
||||
};
|
||||
|
||||
canvas_inline_size = max(model::specified(self.style.min_inline_size(), Au(0)), canvas_inline_size);
|
||||
if let Some(max) = model::specified_or_none(self.style.max_inline_size(), Au(0)) {
|
||||
canvas_inline_size = min(canvas_inline_size, max)
|
||||
}
|
||||
|
||||
result.union_block(&IntrinsicISizes {
|
||||
minimum_inline_size: canvas_inline_size,
|
||||
preferred_inline_size: canvas_inline_size,
|
||||
});
|
||||
}
|
||||
SpecificFragmentInfo::Svg(ref mut svg_fragment_info) => {
|
||||
let mut svg_inline_size = match self.style.content_inline_size() {
|
||||
LengthOrPercentageOrAuto::Auto |
|
||||
LengthOrPercentageOrAuto::Percentage(_) => {
|
||||
svg_fragment_info.svg_inline_size()
|
||||
}
|
||||
LengthOrPercentageOrAuto::Length(length) => length,
|
||||
LengthOrPercentageOrAuto::Calc(calc) => calc.length(),
|
||||
};
|
||||
|
||||
svg_inline_size = max(model::specified(self.style.min_inline_size(), Au(0)), svg_inline_size);
|
||||
if let Some(max) = model::specified_or_none(self.style.max_inline_size(), Au(0)) {
|
||||
svg_inline_size = min(svg_inline_size, max)
|
||||
}
|
||||
|
||||
result.union_block(&IntrinsicISizes {
|
||||
minimum_inline_size: svg_inline_size,
|
||||
preferred_inline_size: svg_inline_size,
|
||||
});
|
||||
}
|
||||
SpecificFragmentInfo::ScannedText(ref text_fragment_info) => {
|
||||
let range = &text_fragment_info.range;
|
||||
|
||||
|
|
@ -2188,10 +2164,8 @@ impl Fragment {
|
|||
SpecificFragmentInfo::Svg(_) => {}
|
||||
};
|
||||
|
||||
let style = &*self.style;
|
||||
let noncontent_inline_size = self.border_padding.inline_start_end();
|
||||
|
||||
match self.specific {
|
||||
// Inline blocks
|
||||
SpecificFragmentInfo::InlineAbsoluteHypothetical(ref mut info) => {
|
||||
let block_flow = FlowRef::deref_mut(&mut info.flow_ref).as_mut_block();
|
||||
block_flow.base.position.size.inline =
|
||||
|
|
@ -2216,54 +2190,24 @@ impl Fragment {
|
|||
block_flow.base.block_container_inline_size = self.border_box.size.inline;
|
||||
block_flow.base.block_container_writing_mode = self.style.writing_mode;
|
||||
}
|
||||
|
||||
// Text
|
||||
SpecificFragmentInfo::ScannedText(ref info) => {
|
||||
// Scanned text fragments will have already had their content inline-sizes assigned
|
||||
// by this point.
|
||||
self.border_box.size.inline = info.content_size.inline + noncontent_inline_size
|
||||
self.border_box.size.inline = info.content_size.inline +
|
||||
self.border_padding.inline_start_end();
|
||||
}
|
||||
SpecificFragmentInfo::Image(ref mut image_fragment_info) => {
|
||||
let fragment_inline_size = image_fragment_info.image_inline_size();
|
||||
let fragment_block_size = image_fragment_info.image_block_size();
|
||||
self.border_box.size.inline =
|
||||
image_fragment_info.replaced_image_fragment_info
|
||||
.calculate_replaced_inline_size(style,
|
||||
noncontent_inline_size,
|
||||
container_inline_size,
|
||||
container_block_size,
|
||||
fragment_inline_size,
|
||||
fragment_block_size);
|
||||
|
||||
// Replaced elements
|
||||
_ if self.is_replaced() => {
|
||||
let (inline_size, block_size) =
|
||||
self.calculate_replaced_sizes(Some(container_inline_size), container_block_size);
|
||||
self.border_box.size.inline = inline_size + self.border_padding.inline_start_end();
|
||||
self.border_box.size.block = block_size + self.border_padding.block_start_end();
|
||||
}
|
||||
SpecificFragmentInfo::Canvas(ref mut canvas_fragment_info) => {
|
||||
let fragment_inline_size = canvas_fragment_info.canvas_inline_size();
|
||||
let fragment_block_size = canvas_fragment_info.canvas_block_size();
|
||||
self.border_box.size.inline =
|
||||
canvas_fragment_info.replaced_image_fragment_info
|
||||
.calculate_replaced_inline_size(style,
|
||||
noncontent_inline_size,
|
||||
container_inline_size,
|
||||
container_block_size,
|
||||
fragment_inline_size,
|
||||
fragment_block_size);
|
||||
}
|
||||
SpecificFragmentInfo::Svg(ref mut svg_fragment_info) => {
|
||||
let fragment_inline_size = svg_fragment_info.svg_inline_size();
|
||||
let fragment_block_size = svg_fragment_info.svg_block_size();
|
||||
self.border_box.size.inline =
|
||||
svg_fragment_info.replaced_image_fragment_info
|
||||
.calculate_replaced_inline_size(style,
|
||||
noncontent_inline_size,
|
||||
container_inline_size,
|
||||
container_block_size,
|
||||
fragment_inline_size,
|
||||
fragment_block_size);
|
||||
}
|
||||
SpecificFragmentInfo::Iframe(ref iframe_fragment_info) => {
|
||||
self.border_box.size.inline =
|
||||
iframe_fragment_info.calculate_replaced_inline_size(style,
|
||||
container_inline_size) +
|
||||
noncontent_inline_size;
|
||||
}
|
||||
_ => panic!("this case should have been handled above"),
|
||||
|
||||
ref unhandled @ _ => panic!("this case should have been handled above: {:?}", unhandled),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2297,48 +2241,16 @@ impl Fragment {
|
|||
SpecificFragmentInfo::Svg(_) => {}
|
||||
}
|
||||
|
||||
let style = &*self.style;
|
||||
let noncontent_block_size = self.border_padding.block_start_end();
|
||||
|
||||
match self.specific {
|
||||
SpecificFragmentInfo::Image(ref mut image_fragment_info) => {
|
||||
let fragment_inline_size = image_fragment_info.image_inline_size();
|
||||
let fragment_block_size = image_fragment_info.image_block_size();
|
||||
self.border_box.size.block =
|
||||
image_fragment_info.replaced_image_fragment_info
|
||||
.calculate_replaced_block_size(style,
|
||||
noncontent_block_size,
|
||||
containing_block_block_size,
|
||||
fragment_inline_size,
|
||||
fragment_block_size);
|
||||
}
|
||||
SpecificFragmentInfo::Canvas(ref mut canvas_fragment_info) => {
|
||||
let fragment_inline_size = canvas_fragment_info.canvas_inline_size();
|
||||
let fragment_block_size = canvas_fragment_info.canvas_block_size();
|
||||
self.border_box.size.block =
|
||||
canvas_fragment_info.replaced_image_fragment_info
|
||||
.calculate_replaced_block_size(style,
|
||||
noncontent_block_size,
|
||||
containing_block_block_size,
|
||||
fragment_inline_size,
|
||||
fragment_block_size);
|
||||
}
|
||||
SpecificFragmentInfo::Svg(ref mut svg_fragment_info) => {
|
||||
let fragment_inline_size = svg_fragment_info.svg_inline_size();
|
||||
let fragment_block_size = svg_fragment_info.svg_block_size();
|
||||
self.border_box.size.block =
|
||||
svg_fragment_info.replaced_image_fragment_info
|
||||
.calculate_replaced_block_size(style,
|
||||
noncontent_block_size,
|
||||
containing_block_block_size,
|
||||
fragment_inline_size,
|
||||
fragment_block_size);
|
||||
}
|
||||
// Text
|
||||
SpecificFragmentInfo::ScannedText(ref info) => {
|
||||
// Scanned text fragments' content block-sizes are calculated by the text run
|
||||
// scanner during flow construction.
|
||||
self.border_box.size.block = info.content_size.block + noncontent_block_size
|
||||
self.border_box.size.block = info.content_size.block +
|
||||
self.border_padding.block_start_end();
|
||||
}
|
||||
|
||||
// Inline blocks
|
||||
SpecificFragmentInfo::InlineBlock(ref mut info) => {
|
||||
// Not the primary fragment, so we do not take the noncontent size into account.
|
||||
let block_flow = FlowRef::deref_mut(&mut info.flow_ref).as_block();
|
||||
|
|
@ -2356,36 +2268,31 @@ impl Fragment {
|
|||
self.border_box.size.block = block_flow.base.position.size.block +
|
||||
block_flow.fragment.margin.block_start_end()
|
||||
}
|
||||
SpecificFragmentInfo::Iframe(ref info) => {
|
||||
self.border_box.size.block =
|
||||
info.calculate_replaced_block_size(style, containing_block_block_size) +
|
||||
noncontent_block_size;
|
||||
}
|
||||
_ => panic!("should have been handled above"),
|
||||
|
||||
// Replaced elements
|
||||
_ if self.is_replaced() => {},
|
||||
|
||||
ref unhandled @ _ => panic!("should have been handled above: {:?}", unhandled),
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns true if this fragment is replaced content.
|
||||
pub fn is_replaced(&self) -> bool {
|
||||
match self.specific {
|
||||
SpecificFragmentInfo::Iframe(_) |
|
||||
SpecificFragmentInfo::Canvas(_) |
|
||||
SpecificFragmentInfo::Image(_) |
|
||||
SpecificFragmentInfo::Svg(_) => true,
|
||||
_ => false
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns true if this fragment is replaced content or an inline-block or false otherwise.
|
||||
pub fn is_replaced_or_inline_block(&self) -> bool {
|
||||
match self.specific {
|
||||
SpecificFragmentInfo::Canvas(_) |
|
||||
SpecificFragmentInfo::Iframe(_) |
|
||||
SpecificFragmentInfo::Image(_) |
|
||||
SpecificFragmentInfo::InlineAbsoluteHypothetical(_) |
|
||||
SpecificFragmentInfo::InlineBlock(_) |
|
||||
SpecificFragmentInfo::Svg(_) => true,
|
||||
SpecificFragmentInfo::Generic |
|
||||
SpecificFragmentInfo::GeneratedContent(_) |
|
||||
SpecificFragmentInfo::InlineAbsolute(_) |
|
||||
SpecificFragmentInfo::Table |
|
||||
SpecificFragmentInfo::TableCell |
|
||||
SpecificFragmentInfo::TableColumn(_) |
|
||||
SpecificFragmentInfo::TableRow |
|
||||
SpecificFragmentInfo::TableWrapper |
|
||||
SpecificFragmentInfo::Multicol |
|
||||
SpecificFragmentInfo::MulticolColumn |
|
||||
SpecificFragmentInfo::ScannedText(_) |
|
||||
SpecificFragmentInfo::UnscannedText(_) => false,
|
||||
SpecificFragmentInfo::InlineBlock(_) => true,
|
||||
_ => self.is_replaced(),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue