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No longer consider window size when scrolling

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Now that scrolling roots are properly sized, we can simply look at the
scrolling root layer size when deciding the extents of layer scrolling.
This simplifies things a bit and further codifies the current model of
scrolling root + mask_to_bounds.
This commit is contained in:
Martin Robinson 2014-10-01 10:56:48 -07:00
parent bae5440689
commit 31a6270d52
3 changed files with 14 additions and 24 deletions
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8
components/compositing/compositor_data.rs
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@ -8,7 +8,7 @@ use pipeline::CompositionPipeline;
use azure::azure_hl::Color;
use geom::point::TypedPoint2D;
use geom::size::{Size2D, TypedSize2D};
use geom::size::Size2D;
use geom::rect::Rect;
use gfx::render_task::UnusedBufferMsg;
use layers::geometry::LayerPixel;
@ -79,15 +79,13 @@ impl CompositorData {
}
pub fn update_layer(layer: Rc<Layer<CompositorData>>, layer_properties: LayerProperties) {
let size: TypedSize2D<LayerPixel, f32> = Size2D::from_untyped(&layer_properties.rect.size);
layer.resize(size);
layer.resize(Size2D::from_untyped(&layer_properties.rect.size));
// Call scroll for bounds checking if the page shrunk. Use (-1, -1) as the
// cursor position to make sure the scroll isn't propagated downwards.
events::handle_scroll_event(layer.clone(),
TypedPoint2D(0f32, 0f32),
TypedPoint2D(-1f32, -1f32),
size);
TypedPoint2D(-1f32, -1f32));
CompositorData::update_layer_except_size(layer, layer_properties);
}