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Implemented fullscreen top layer

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This commit is contained in:
Alan Jeffrey 2019-02-04 19:35:03 -06:00
parent a34c8f952e
commit 386c0f80ed
6 changed files with 38 additions and 7 deletions
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1
components/layout/display_list/builder.rs
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@ -1917,6 +1917,7 @@ impl Fragment {
border_box.to_layout(),
overflow.to_layout(),
self.effective_z_index(),
self.style().get_box()._servo_top_layer,
filters,
self.style().get_effects().mix_blend_mode.to_layout(),
self.transform_matrix(&border_box),

17
components/layout/display_list/items.rs
View file

@ -22,6 +22,7 @@ use std::cmp::Ordering;
use std::collections::HashMap;
use std::f32;
use std::fmt;
use style::computed_values::_servo_top_layer::T as InTopLayer;
use webrender_api as wr;
use webrender_api::{BorderRadius, ClipMode};
use webrender_api::{ComplexClipRegion, ExternalScrollId, FilterOp};
@ -189,6 +190,9 @@ pub struct StackingContext {
/// The `z-index` for this stacking context.
pub z_index: i32,
/// Whether this is the top layer.
pub in_top_layer: InTopLayer,
/// CSS filters to be applied to this stacking context (including opacity).
pub filters: Vec<FilterOp>,
@ -220,6 +224,7 @@ impl StackingContext {
bounds: LayoutRect,
overflow: LayoutRect,
z_index: i32,
in_top_layer: InTopLayer,
filters: Vec<FilterOp>,
mix_blend_mode: MixBlendMode,
transform: Option<LayoutTransform>,
@ -234,6 +239,7 @@ impl StackingContext {
bounds,
overflow,
z_index,
in_top_layer,
filters,
mix_blend_mode,
transform,
@ -252,6 +258,7 @@ impl StackingContext {
LayoutRect::zero(),
LayoutRect::zero(),
0,
InTopLayer::None,
vec![],
MixBlendMode::Normal,
None,
@ -283,6 +290,16 @@ impl StackingContext {
impl Ord for StackingContext {
fn cmp(&self, other: &Self) -> Ordering {
if self.in_top_layer == InTopLayer::Top {
if other.in_top_layer == InTopLayer::Top {
return Ordering::Equal;
} else {
return Ordering::Greater;
}
} else if other.in_top_layer == InTopLayer::Top {
return Ordering::Less;
}
if self.z_index != 0 || other.z_index != 0 {
return self.z_index.cmp(&other.z_index);
}