Remove concept of Layers from Servo

Layers were a feature of the legacy drawing path. If we re-add them at
some point, it probably makes more sense to make them a product of
display list inspection.

This change also remove a bunch of dead painting code.
This commit is contained in:
Martin Robinson 2016-10-19 15:14:02 +02:00
parent e667e62f0c
commit ccb7ab926a
21 changed files with 57 additions and 745 deletions

View file

@ -12,14 +12,13 @@ use euclid::size::Size2D;
use flow::{self, Flow};
use fragment::{Fragment, FragmentBorderBoxIterator, SpecificFragmentInfo};
use gfx::display_list::{DisplayItemMetadata, DisplayList, OpaqueNode, ScrollOffsetMap};
use gfx_traits::LayerId;
use ipc_channel::ipc::IpcSender;
use opaque_node::OpaqueNodeMethods;
use script_layout_interface::rpc::{ContentBoxResponse, ContentBoxesResponse};
use script_layout_interface::rpc::{HitTestResponse, LayoutRPC};
use script_layout_interface::rpc::{MarginStyleResponse, NodeGeometryResponse};
use script_layout_interface::rpc::{NodeLayerIdResponse, NodeOverflowResponse};
use script_layout_interface::rpc::{OffsetParentResponse, ResolvedStyleResponse};
use script_layout_interface::rpc::{NodeOverflowResponse, OffsetParentResponse};
use script_layout_interface::rpc::ResolvedStyleResponse;
use script_layout_interface::wrapper_traits::{LayoutNode, ThreadSafeLayoutNode};
use script_traits::LayoutMsg as ConstellationMsg;
use script_traits::UntrustedNodeAddress;
@ -61,8 +60,6 @@ pub struct LayoutThreadData {
/// A queued response for the client {top, left, width, height} of a node in pixels.
pub client_rect_response: Rect<i32>,
pub layer_id_response: Option<LayerId>,
/// A queued response for the node at a given point
pub hit_test_response: (Option<DisplayItemMetadata>, bool),
@ -180,13 +177,6 @@ impl LayoutRPC for LayoutRPCImpl {
}
}
fn node_layer_id(&self) -> NodeLayerIdResponse {
NodeLayerIdResponse {
layer_id: self.0.lock().unwrap().layer_id_response
.expect("layer_id is not correctly fetched, see PR #9968")
}
}
/// Retrieves the resolved value for a CSS style property.
fn resolved_style(&self) -> ResolvedStyleResponse {
let &LayoutRPCImpl(ref rw_data) = self;
@ -587,11 +577,6 @@ pub fn process_node_geometry_request<N: LayoutNode>(requested_node: N, layout_ro
iterator.client_rect
}
pub fn process_node_layer_id_request<N: LayoutNode>(requested_node: N) -> LayerId {
let layout_node = requested_node.to_threadsafe();
layout_node.layer_id()
}
pub fn process_node_scroll_area_request< N: LayoutNode>(requested_node: N, layout_root: &mut Flow)
-> Rect<i32> {
let mut iterator = UnioningFragmentScrollAreaIterator::new(requested_node.opaque());