Backed out changeset e64e659c077d: servo PR #18809 and revendor for reftest failures, e.g. in layout/reftests/bugs/392435-1.html. r=backout on a CLOSED TREE

Backs out https://github.com/servo/servo/pull/18809
This commit is contained in:
Gecko Backout 2017-10-19 21:26:51 +00:00 committed by moz-servo-sync
parent fe16c1d5c3
commit 11c64178d8
142 changed files with 1635 additions and 1685 deletions

View file

@ -14,41 +14,41 @@ use std::fmt;
bitflags! {
#[doc = "Individual layout actions that may be necessary after restyling."]
pub struct ServoRestyleDamage: u8 {
pub flags ServoRestyleDamage: u8 {
#[doc = "Repaint the node itself."]
#[doc = "Currently unused; need to decide how this propagates."]
const REPAINT = 0x01;
const REPAINT = 0x01,
#[doc = "The stacking-context-relative position of this node or its descendants has \
changed."]
#[doc = "Propagates both up and down the flow tree."]
const REPOSITION = 0x02;
const REPOSITION = 0x02,
#[doc = "Recompute the overflow regions (bounding box of object and all descendants)."]
#[doc = "Propagates down the flow tree because the computation is bottom-up."]
const STORE_OVERFLOW = 0x04;
const STORE_OVERFLOW = 0x04,
#[doc = "Recompute intrinsic inline_sizes (minimum and preferred)."]
#[doc = "Propagates down the flow tree because the computation is"]
#[doc = "bottom-up."]
const BUBBLE_ISIZES = 0x08;
const BUBBLE_ISIZES = 0x08,
#[doc = "Recompute actual inline-sizes and block-sizes, only taking out-of-flow children \
into account. \
Propagates up the flow tree because the computation is top-down."]
const REFLOW_OUT_OF_FLOW = 0x10;
const REFLOW_OUT_OF_FLOW = 0x10,
#[doc = "Recompute actual inline_sizes and block_sizes."]
#[doc = "Propagates up the flow tree because the computation is"]
#[doc = "top-down."]
const REFLOW = 0x20;
const REFLOW = 0x20,
#[doc = "Re-resolve generated content. \
Propagates up the flow tree because the computation is inorder."]
const RESOLVE_GENERATED_CONTENT = 0x40;
const RESOLVE_GENERATED_CONTENT = 0x40,
#[doc = "The entire flow needs to be reconstructed."]
const RECONSTRUCT_FLOW = 0x80;
const RECONSTRUCT_FLOW = 0x80
}
}
@ -79,28 +79,24 @@ impl ServoRestyleDamage {
/// FIXME(bholley): Do we ever actually need this? Shouldn't
/// RECONSTRUCT_FLOW imply everything else?
pub fn rebuild_and_reflow() -> ServoRestyleDamage {
ServoRestyleDamage::REPAINT | ServoRestyleDamage::REPOSITION |
ServoRestyleDamage::STORE_OVERFLOW | ServoRestyleDamage::BUBBLE_ISIZES |
ServoRestyleDamage::REFLOW_OUT_OF_FLOW | ServoRestyleDamage::REFLOW |
ServoRestyleDamage::RECONSTRUCT_FLOW
REPAINT | REPOSITION | STORE_OVERFLOW | BUBBLE_ISIZES | REFLOW_OUT_OF_FLOW | REFLOW |
RECONSTRUCT_FLOW
}
/// Returns a bitmask indicating that the frame needs to be reconstructed.
pub fn reconstruct() -> ServoRestyleDamage {
ServoRestyleDamage::RECONSTRUCT_FLOW
RECONSTRUCT_FLOW
}
/// Supposing a flow has the given `position` property and this damage,
/// returns the damage that we should add to the *parent* of this flow.
pub fn damage_for_parent(self, child_is_absolutely_positioned: bool) -> ServoRestyleDamage {
if child_is_absolutely_positioned {
self & (ServoRestyleDamage::REPAINT | ServoRestyleDamage::REPOSITION |
ServoRestyleDamage::STORE_OVERFLOW | ServoRestyleDamage::REFLOW_OUT_OF_FLOW |
ServoRestyleDamage::RESOLVE_GENERATED_CONTENT)
self & (REPAINT | REPOSITION | STORE_OVERFLOW | REFLOW_OUT_OF_FLOW |
RESOLVE_GENERATED_CONTENT)
} else {
self & (ServoRestyleDamage::REPAINT | ServoRestyleDamage::REPOSITION |
ServoRestyleDamage::STORE_OVERFLOW | ServoRestyleDamage::REFLOW |
ServoRestyleDamage::REFLOW_OUT_OF_FLOW | ServoRestyleDamage::RESOLVE_GENERATED_CONTENT)
self & (REPAINT | REPOSITION | STORE_OVERFLOW | REFLOW | REFLOW_OUT_OF_FLOW |
RESOLVE_GENERATED_CONTENT)
}
}
@ -115,20 +111,20 @@ impl ServoRestyleDamage {
// Absolute children are out-of-flow and therefore insulated from changes.
//
// FIXME(pcwalton): Au contraire, if the containing block dimensions change!
self & (ServoRestyleDamage::REPAINT | ServoRestyleDamage::REPOSITION)
self & (REPAINT | REPOSITION)
}
(true, false) => {
// Changing the position of an absolutely-positioned block requires us to reflow
// its kids.
if self.contains(ServoRestyleDamage::REFLOW_OUT_OF_FLOW) {
self | ServoRestyleDamage::REFLOW
if self.contains(REFLOW_OUT_OF_FLOW) {
self | REFLOW
} else {
self
}
}
_ => {
// TODO(pcwalton): Take floatedness into account.
self & (ServoRestyleDamage::REPAINT | ServoRestyleDamage::REPOSITION | ServoRestyleDamage::REFLOW)
self & (REPAINT | REPOSITION | REFLOW)
}
}
}
@ -145,14 +141,14 @@ impl fmt::Display for ServoRestyleDamage {
let mut first_elem = true;
let to_iter =
[ (ServoRestyleDamage::REPAINT, "Repaint")
, (ServoRestyleDamage::REPOSITION, "Reposition")
, (ServoRestyleDamage::STORE_OVERFLOW, "StoreOverflow")
, (ServoRestyleDamage::BUBBLE_ISIZES, "BubbleISizes")
, (ServoRestyleDamage::REFLOW_OUT_OF_FLOW, "ReflowOutOfFlow")
, (ServoRestyleDamage::REFLOW, "Reflow")
, (ServoRestyleDamage::RESOLVE_GENERATED_CONTENT, "ResolveGeneratedContent")
, (ServoRestyleDamage::RECONSTRUCT_FLOW, "ReconstructFlow")
[ (REPAINT, "Repaint")
, (REPOSITION, "Reposition")
, (STORE_OVERFLOW, "StoreOverflow")
, (BUBBLE_ISIZES, "BubbleISizes")
, (REFLOW_OUT_OF_FLOW, "ReflowOutOfFlow")
, (REFLOW, "Reflow")
, (RESOLVE_GENERATED_CONTENT, "ResolveGeneratedContent")
, (RECONSTRUCT_FLOW, "ReconstructFlow")
];
for &(damage, damage_str) in &to_iter {
@ -176,7 +172,7 @@ impl fmt::Display for ServoRestyleDamage {
// breakage on modifications.
macro_rules! add_if_not_equal(
($old:ident, $new:ident, $damage:ident,
[ $($effect:path),* ], [ $($style_struct_getter:ident.$name:ident),* ]) => ({
[ $($effect:ident),* ], [ $($style_struct_getter:ident.$name:ident),* ]) => ({
if $( ($old.$style_struct_getter().$name != $new.$style_struct_getter().$name) )||* {
$damage.insert($($effect)|*);
true
@ -195,10 +191,8 @@ fn compute_damage(old: &ComputedValues, new: &ComputedValues) -> ServoRestyleDam
// FIXME: Test somehow that every property is included.
add_if_not_equal!(old, new, damage,
[ServoRestyleDamage::REPAINT, ServoRestyleDamage::REPOSITION,
ServoRestyleDamage::STORE_OVERFLOW, ServoRestyleDamage::BUBBLE_ISIZES,
ServoRestyleDamage::REFLOW_OUT_OF_FLOW, ServoRestyleDamage::REFLOW,
ServoRestyleDamage::RECONSTRUCT_FLOW], [
[REPAINT, REPOSITION, STORE_OVERFLOW, BUBBLE_ISIZES, REFLOW_OUT_OF_FLOW,
REFLOW, RECONSTRUCT_FLOW], [
get_box.clear, get_box.float, get_box.display, get_box.position, get_counters.content,
get_counters.counter_reset, get_counters.counter_increment,
get_list.quotes, get_list.list_style_type,
@ -217,10 +211,8 @@ fn compute_damage(old: &ComputedValues, new: &ComputedValues) -> ServoRestyleDam
get_column.column_width, get_column.column_count
]) || (new.get_box().display == display::T::inline &&
add_if_not_equal!(old, new, damage,
[ServoRestyleDamage::REPAINT, ServoRestyleDamage::REPOSITION,
ServoRestyleDamage::STORE_OVERFLOW, ServoRestyleDamage::BUBBLE_ISIZES,
ServoRestyleDamage::REFLOW_OUT_OF_FLOW, ServoRestyleDamage::REFLOW,
ServoRestyleDamage::RECONSTRUCT_FLOW], [
[REPAINT, REPOSITION, STORE_OVERFLOW, BUBBLE_ISIZES,
REFLOW_OUT_OF_FLOW, REFLOW, RECONSTRUCT_FLOW], [
// For inline boxes only, border/padding styles are used in flow construction (to decide
// whether to create fragments for empty flows).
get_border.border_top_width, get_border.border_right_width,
@ -228,9 +220,8 @@ fn compute_damage(old: &ComputedValues, new: &ComputedValues) -> ServoRestyleDam
get_padding.padding_top, get_padding.padding_right,
get_padding.padding_bottom, get_padding.padding_left
])) || add_if_not_equal!(old, new, damage,
[ServoRestyleDamage::REPAINT, ServoRestyleDamage::REPOSITION,
ServoRestyleDamage::STORE_OVERFLOW, ServoRestyleDamage::BUBBLE_ISIZES,
ServoRestyleDamage::REFLOW_OUT_OF_FLOW, ServoRestyleDamage::REFLOW],
[REPAINT, REPOSITION, STORE_OVERFLOW, BUBBLE_ISIZES,
REFLOW_OUT_OF_FLOW, REFLOW],
[get_border.border_top_width, get_border.border_right_width,
get_border.border_bottom_width, get_border.border_left_width,
get_margin.margin_top, get_margin.margin_right,
@ -255,15 +246,14 @@ fn compute_damage(old: &ComputedValues, new: &ComputedValues) -> ServoRestyleDam
get_position.flex_shrink,
get_position.align_self
]) || add_if_not_equal!(old, new, damage,
[ServoRestyleDamage::REPAINT, ServoRestyleDamage::REPOSITION,
ServoRestyleDamage::STORE_OVERFLOW, ServoRestyleDamage::REFLOW_OUT_OF_FLOW],
[get_position.top, get_position.left,
[REPAINT, REPOSITION, STORE_OVERFLOW, REFLOW_OUT_OF_FLOW], [
get_position.top, get_position.left,
get_position.right, get_position.bottom,
get_effects.opacity,
get_box.transform, get_box.transform_style, get_box.transform_origin,
get_box.perspective, get_box.perspective_origin
]) || add_if_not_equal!(old, new, damage,
[ServoRestyleDamage::REPAINT], [
[REPAINT], [
get_color.color, get_background.background_color,
get_background.background_image, get_background.background_position_x,
get_background.background_position_y, get_background.background_repeat,
@ -289,7 +279,7 @@ fn compute_damage(old: &ComputedValues, new: &ComputedValues) -> ServoRestyleDam
// Paint worklets may depend on custom properties,
// so if they have changed we should repaint.
if old.custom_properties() != new.custom_properties() {
damage.insert(ServoRestyleDamage::REPAINT);
damage.insert(REPAINT);
}
// If the layer requirements of this flow have changed due to the value

View file

@ -329,20 +329,20 @@ impl NonTSPseudoClass {
/// Gets a given state flag for this pseudo-class. This is used to do
/// selector matching, and it's set from the DOM.
pub fn state_flag(&self) -> ElementState {
use element_state::ElementState;
use element_state::*;
use self::NonTSPseudoClass::*;
match *self {
Active => ElementState::IN_ACTIVE_STATE,
Focus => ElementState::IN_FOCUS_STATE,
Fullscreen => ElementState::IN_FULLSCREEN_STATE,
Hover => ElementState::IN_HOVER_STATE,
Enabled => ElementState::IN_ENABLED_STATE,
Disabled => ElementState::IN_DISABLED_STATE,
Checked => ElementState::IN_CHECKED_STATE,
Indeterminate => ElementState::IN_INDETERMINATE_STATE,
ReadOnly | ReadWrite => ElementState::IN_READ_WRITE_STATE,
PlaceholderShown => ElementState::IN_PLACEHOLDER_SHOWN_STATE,
Target => ElementState::IN_TARGET_STATE,
Active => IN_ACTIVE_STATE,
Focus => IN_FOCUS_STATE,
Fullscreen => IN_FULLSCREEN_STATE,
Hover => IN_HOVER_STATE,
Enabled => IN_ENABLED_STATE,
Disabled => IN_DISABLED_STATE,
Checked => IN_CHECKED_STATE,
Indeterminate => IN_INDETERMINATE_STATE,
ReadOnly | ReadWrite => IN_READ_WRITE_STATE,
PlaceholderShown => IN_PLACEHOLDER_SHOWN_STATE,
Target => IN_TARGET_STATE,
AnyLink |
Lang(_) |