mirror of
https://github.com/servo/servo.git
synced 2025-08-02 20:20:14 +01:00
Expand the block size of the root flow's margin box to the viewport size
instead of expanding the block size of its border box. Closes #9308.
This commit is contained in:
Patrick Walton
parent
55d4773311
commit
777c46fd3f
24 changed files with 83 additions and 76 deletions
|
|
@ -696,7 +696,8 @@ impl BlockFlow {
|
|||
///
|
||||
/// TODO(#2017, pcwalton): This is somewhat inefficient (traverses kids twice); can we do
|
||||
/// better?
|
||||
fn adjust_fragments_for_collapsed_margins_if_root(&mut self) {
|
||||
fn adjust_fragments_for_collapsed_margins_if_root<'a>(&mut self,
|
||||
layout_context: &'a LayoutContext<'a>) {
|
||||
if !self.is_root() {
|
||||
return
|
||||
}
|
||||
|
|
@ -720,10 +721,19 @@ impl BlockFlow {
|
|||
}
|
||||
}
|
||||
|
||||
self.base.position.size.block = self.base.position.size.block + block_start_margin_value +
|
||||
block_end_margin_value;
|
||||
self.fragment.border_box.size.block = self.fragment.border_box.size.block + block_start_margin_value +
|
||||
block_end_margin_value;
|
||||
// FIXME(#2003, pcwalton): The max is taken here so that you can scroll the page, but this
|
||||
// is not correct behavior according to CSS 2.1 § 10.5. Instead I think we should treat the
|
||||
// root element as having `overflow: scroll` and use the layers-based scrolling
|
||||
// infrastructure to make it scrollable.
|
||||
let viewport_size =
|
||||
LogicalSize::from_physical(self.fragment.style.writing_mode,
|
||||
layout_context.shared_context().viewport_size);
|
||||
let block_size = max(viewport_size.block,
|
||||
self.fragment.border_box.size.block + block_start_margin_value +
|
||||
block_end_margin_value);
|
||||
|
||||
self.base.position.size.block = block_size;
|
||||
self.fragment.border_box.size.block = block_size;
|
||||
}
|
||||
|
||||
/// Assign block-size for current flow.
|
||||
|
|
@ -882,18 +892,8 @@ impl BlockFlow {
|
|||
self.base.collapsible_margins = collapsible_margins;
|
||||
translate_including_floats(&mut cur_b, delta, &mut floats);
|
||||
|
||||
// FIXME(#2003, pcwalton): The max is taken here so that you can scroll the page, but
|
||||
// this is not correct behavior according to CSS 2.1 § 10.5. Instead I think we should
|
||||
// treat the root element as having `overflow: scroll` and use the layers-based
|
||||
// scrolling infrastructure to make it scrollable.
|
||||
let mut block_size = cur_b - block_start_offset;
|
||||
let is_root = self.is_root();
|
||||
if is_root {
|
||||
let viewport_size =
|
||||
LogicalSize::from_physical(self.fragment.style.writing_mode,
|
||||
layout_context.shared_context().viewport_size);
|
||||
block_size = max(viewport_size.block, block_size)
|
||||
}
|
||||
|
||||
if is_root || self.formatting_context_type() != FormattingContextType::None ||
|
||||
self.base.flags.contains(IS_ABSOLUTELY_POSITIONED) {
|
||||
|
|
@ -903,6 +903,17 @@ impl BlockFlow {
|
|||
}
|
||||
|
||||
if self.base.flags.contains(IS_ABSOLUTELY_POSITIONED) {
|
||||
// FIXME(#2003, pcwalton): The max is taken here so that you can scroll the page,
|
||||
// but this is not correct behavior according to CSS 2.1 § 10.5. Instead I think we
|
||||
// should treat the root element as having `overflow: scroll` and use the layers-
|
||||
// based scrolling infrastructure to make it scrollable.
|
||||
if is_root {
|
||||
let viewport_size =
|
||||
LogicalSize::from_physical(self.fragment.style.writing_mode,
|
||||
layout_context.shared_context().viewport_size);
|
||||
block_size = max(viewport_size.block, block_size)
|
||||
}
|
||||
|
||||
// Store the content block-size for use in calculating the absolute flow's
|
||||
// dimensions later.
|
||||
//
|
||||
|
|
@ -957,7 +968,7 @@ impl BlockFlow {
|
|||
// Store the current set of floats in the flow so that flows that come later in the
|
||||
// document can access them.
|
||||
self.base.floats = floats.clone();
|
||||
self.adjust_fragments_for_collapsed_margins_if_root();
|
||||
self.adjust_fragments_for_collapsed_margins_if_root(layout_context);
|
||||
} else {
|
||||
// We don't need to reflow, but we still need to perform in-order traversals if
|
||||
// necessary.
|
||||
|
|
|
|||
|
|
@ -1,3 +0,0 @@
|
|||
[background-bg-pos-206.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-001.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-005.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-006.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-007.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-009.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-012.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-013.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-014.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[bottom-applies-to-015.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[containing-block-023.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-001.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-005.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-006.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-007.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-009.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-012.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-013.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-014.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -1,3 +0,0 @@
|
|||
[position-applies-to-015.htm]
|
||||
type: reftest
|
||||
expected: FAIL
|
||||
|
|
@ -4044,6 +4044,18 @@
|
|||
"url": "/_mozilla/css/root_margin_collapse_a.html"
|
||||
}
|
||||
],
|
||||
"css/root_margins_a.html": [
|
||||
{
|
||||
"path": "css/root_margins_a.html",
|
||||
"references": [
|
||||
[
|
||||
"/_mozilla/css/root_margins_ref.html",
|
||||
"=="
|
||||
]
|
||||
],
|
||||
"url": "/_mozilla/css/root_margins_a.html"
|
||||
}
|
||||
],
|
||||
"css/root_pseudo_a.html": [
|
||||
{
|
||||
"path": "css/root_pseudo_a.html",
|
||||
|
|
@ -10136,6 +10148,18 @@
|
|||
"url": "/_mozilla/css/root_margin_collapse_a.html"
|
||||
}
|
||||
],
|
||||
"css/root_margins_a.html": [
|
||||
{
|
||||
"path": "css/root_margins_a.html",
|
||||
"references": [
|
||||
[
|
||||
"/_mozilla/css/root_margins_ref.html",
|
||||
"=="
|
||||
]
|
||||
],
|
||||
"url": "/_mozilla/css/root_margins_a.html"
|
||||
}
|
||||
],
|
||||
"css/root_pseudo_a.html": [
|
||||
{
|
||||
"path": "css/root_pseudo_a.html",
|
||||
|
|
|
|||
15
tests/wpt/mozilla/tests/css/root_margins_a.html
Normal file
15
tests/wpt/mozilla/tests/css/root_margins_a.html
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
<!DOCTYPE html>
|
||||
<meta charset="utf-8">
|
||||
<link rel="match" href="root_margins_ref.html">
|
||||
<style>
|
||||
div {
|
||||
position: absolute;
|
||||
width: 100px;
|
||||
height: 100px;
|
||||
background: steelblue;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
}
|
||||
</style>
|
||||
<div>
|
||||
|
||||
17
tests/wpt/mozilla/tests/css/root_margins_ref.html
Normal file
17
tests/wpt/mozilla/tests/css/root_margins_ref.html
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
<!DOCTYPE html>
|
||||
<meta charset="utf-8">
|
||||
<style>
|
||||
html, body {
|
||||
margin: 0;
|
||||
}
|
||||
div {
|
||||
position: absolute;
|
||||
width: 100px;
|
||||
height: 100px;
|
||||
background: steelblue;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
}
|
||||
</style>
|
||||
<div>
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue