auto merge of #5121 : glennw/servo/transparent-hover, r=mbrubeck

Move culling of transparent display items to paint task rather than display list builder, so that hit testing detects mouse over on transparent background elements.
This commit is contained in:
bors-servo 2015-03-02 19:42:49 -07:00
commit ac4a690e8f
2 changed files with 12 additions and 12 deletions

View file

@ -28,6 +28,7 @@ use azure::azure_hl::{Color};
use collections::dlist::{self, DList};
use geom::{Point2D, Rect, SideOffsets2D, Size2D, Matrix2D};
use geom::approxeq::ApproxEq;
use geom::num::Zero;
use libc::uintptr_t;
use paint_task::PaintLayer;
@ -912,8 +913,10 @@ impl DisplayItem {
match *self {
DisplayItem::SolidColorClass(ref solid_color) => {
if !solid_color.color.a.approx_eq(&0.0) {
paint_context.draw_solid_color(&solid_color.base.bounds, solid_color.color)
}
}
DisplayItem::TextClass(ref text) => {
debug!("Drawing text at {:?}.", text.base.bounds);

View file

@ -21,7 +21,6 @@ use list_item::ListItemFlow;
use model;
use util::{OpaqueNodeMethods, ToGfxColor};
use geom::approxeq::ApproxEq;
use geom::{Point2D, Rect, Size2D, SideOffsets2D};
use gfx::color;
use gfx::display_list::{BLUR_INFLATION_FACTOR, BaseDisplayItem, BorderDisplayItem};
@ -291,7 +290,6 @@ impl FragmentDisplayListBuilding for Fragment {
// inefficient. What we really want is something like "nearest ancestor element that
// doesn't have a fragment".
let background_color = style.resolve_color(style.get_background().background_color);
if !background_color.alpha.approx_eq(&0.0) {
display_list.push(DisplayItem::SolidColorClass(box SolidColorDisplayItem {
base: BaseDisplayItem::new(*absolute_bounds,
DisplayItemMetadata::new(self.node,
@ -300,7 +298,6 @@ impl FragmentDisplayListBuilding for Fragment {
clip.clone()),
color: background_color.to_gfx_color(),
}), level);
}
// The background image is painted on top of the background color.
// Implements background image, per spec: