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Remove SetLayerClipRect and add SetLayerOrigin

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The constallation has accurate information about iframe layer origins,
but not their size.
This commit is contained in:
Bryan Bell 2014-08-29 17:30:07 -07:00 • committed by Martin Robinson
parent e17cc2d5e2
commit ff71c32218
4 changed files with 21 additions and 23 deletions
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26
components/compositing/compositor.rs
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@ -5,7 +5,7 @@
use compositor_data::{CompositorData, DoesntWantScrollEvents, WantsScrollEvents};
use compositor_task::{Msg, CompositorTask, Exit, ChangeReadyState, SetIds, LayerProperties};
use compositor_task::{GetGraphicsMetadata, CreateOrUpdateRootLayer, CreateOrUpdateDescendantLayer};
use compositor_task::{SetLayerClipRect, Paint, ScrollFragmentPoint, LoadComplete};
use compositor_task::{SetLayerOrigin, Paint, ScrollFragmentPoint, LoadComplete};
use compositor_task::{ShutdownComplete, ChangeRenderState, RenderMsgDiscarded};
use constellation::SendableFrameTree;
use events;
@ -312,8 +312,8 @@ impl IOCompositor {
self.create_or_update_descendant_layer(layer_properties);
}
(Ok(SetLayerClipRect(pipeline_id, layer_id, new_rect)), NotShuttingDown) => {
self.set_layer_clip_rect(pipeline_id, layer_id, new_rect);
(Ok(SetLayerOrigin(pipeline_id, layer_id, origin)), NotShuttingDown) => {
self.set_layer_origin(pipeline_id, layer_id, origin);
}
(Ok(Paint(pipeline_id, epoch, replies)), NotShuttingDown) => {
@ -558,17 +558,17 @@ impl IOCompositor {
self.recomposite_if(needs_recomposite);
}
fn set_layer_clip_rect(&mut self,
pipeline_id: PipelineId,
layer_id: LayerId,
new_rect_in_page_coordinates: Rect<f32>) {
let new_rect_in_layer_coordinates =
self.convert_page_rect_to_layer_coordinates(new_rect_in_page_coordinates);
let new_rect_in_layer_coordinates = Rect::from_untyped(&new_rect_in_layer_coordinates);
fn set_layer_origin(&mut self,
pipeline_id: PipelineId,
layer_id: LayerId,
new_origin: Point2D<f32>) {
let new_origin_in_device_coordinates = new_origin * self.device_pixels_per_page_px().get();
match self.find_layer_with_pipeline_and_layer_id(pipeline_id, layer_id) {
Some(ref layer) => *layer.bounds.borrow_mut() = new_rect_in_layer_coordinates,
None => fail!("compositor received SetLayerClipRect for nonexistent layer"),
Some(ref layer) => {
layer.bounds.borrow_mut().origin =
Point2D::from_untyped(&new_origin_in_device_coordinates)
}
None => fail!("Compositor received SetLayerOrigin for nonexistent layer"),
};
self.send_buffer_requests_for_all_layers();