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Remove constellation round trip for subpage mapping in compositor.

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This makes use of the new functionality that allows iframes to generate their own pipeline IDs in order to remove any knowledge of subpage ids from the compositor.

(This is the first of several commits removing subpage from parts of servo).
This commit is contained in:
Glenn Watson 2015-10-07 11:18:42 +10:00
parent 5eb1c04e78
commit da881947e5
11 changed files with 47 additions and 139 deletions
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28
components/compositing/compositor_layer.rs
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@ -3,7 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use azure::azure_hl;
use compositor::{IOCompositor, RemovedPipelineInfo};
use compositor::IOCompositor;
use euclid::length::Length;
use euclid::point::{Point2D, TypedPoint2D};
use euclid::rect::Rect;
@ -12,7 +12,7 @@ use layers::color::Color;
use layers::geometry::LayerPixel;
use layers::layers::{Layer, LayerBufferSet};
use msg::compositor_msg::{Epoch, LayerId, LayerProperties, ScrollPolicy};
use msg::constellation_msg::{PipelineId, SubpageId};
use msg::constellation_msg::{PipelineId};
use script_traits::CompositorEvent::{ClickEvent, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
use script_traits::ConstellationControlMsg;
use std::rc::Rc;
@ -43,8 +43,8 @@ pub struct CompositorData {
/// to track their current scroll position even while their content_offset does not change.
pub scroll_offset: TypedPoint2D<LayerPixel, f32>,
/// The pipeline ID and subpage ID of this layer, if it represents a subpage.
pub subpage_info: Option<(PipelineId, SubpageId)>,
/// The pipeline ID of this layer, if it represents a subpage.
pub subpage_info: Option<PipelineId>,
}
impl CompositorData {
@ -62,7 +62,7 @@ impl CompositorData {
painted_epoch: Epoch(0),
scroll_offset: Point2D::typed(0., 0.),
subpage_info: layer_properties.subpage_layer_info.map(|subpage_layer_info| {
(subpage_layer_info.pipeline_id, subpage_layer_info.subpage_id)
subpage_layer_info.pipeline_id
}),
};
@ -156,7 +156,7 @@ pub trait RcCompositorLayer {
compositor: &mut IOCompositor<Window>,
pipeline_id: PipelineId,
new_layers: &[LayerProperties],
pipelines_removed: &mut Vec<RemovedPipelineInfo>)
pipelines_removed: &mut Vec<PipelineId>)
where Window: WindowMethods;
}
@ -427,7 +427,7 @@ impl RcCompositorLayer for Rc<Layer<CompositorData>> {
compositor: &mut IOCompositor<Window>,
pipeline_id: PipelineId,
new_layers: &[LayerProperties],
pipelines_removed: &mut Vec<RemovedPipelineInfo>)
pipelines_removed: &mut Vec<PipelineId>)
where Window: WindowMethods {
fn find_root_layer_for_pipeline(layer: &Rc<Layer<CompositorData>>, pipeline_id: PipelineId)
-> Option<Rc<Layer<CompositorData>>> {
@ -449,7 +449,7 @@ impl RcCompositorLayer for Rc<Layer<CompositorData>> {
compositor: &mut IOCompositor<Window>,
pipeline_id: PipelineId,
new_layers: &[LayerProperties],
pipelines_removed: &mut Vec<RemovedPipelineInfo>)
pipelines_removed: &mut Vec<PipelineId>)
where Window: WindowMethods {
// Traverse children first so that layers are removed
// bottom up - allowing each layer being removed to properly
@ -475,23 +475,17 @@ impl RcCompositorLayer for Rc<Layer<CompositorData>> {
return new_layers.iter().any(|properties| properties.id == extra_data.id);
}
if let Some(ref subpage_info_for_this_layer) = extra_data.subpage_info {
if let Some(layer_pipeline_id) = extra_data.subpage_info {
for layer_properties in new_layers.iter() {
// Keep this layer if a reference to it exists.
if let Some(ref subpage_layer_info) = layer_properties.subpage_layer_info {
if subpage_layer_info.pipeline_id == subpage_info_for_this_layer.0 &&
subpage_layer_info.subpage_id ==
subpage_info_for_this_layer.1 {
if subpage_layer_info.pipeline_id == layer_pipeline_id {
return true
}
}
}
pipelines_removed.push(RemovedPipelineInfo {
parent_pipeline_id: subpage_info_for_this_layer.0,
parent_subpage_id: subpage_info_for_this_layer.1,
child_pipeline_id: extra_data.pipeline_id,
});
pipelines_removed.push(extra_data.pipeline_id);
}
// When removing a layer, clear any tiles and surfaces associated with the layer.