Patrick Walton 5b36d211b4 Add an implementation of the core float and clear placement logic in layout ... 2020, not yet wired to the rest of layout. This commit implements an object that handles the 10 rules in CSS 2.1: https://www.w3.org/TR/CSS2/visuren.html#float-position The implementation strategy is that of a persistent balanced binary search tree of float bands. Binary search trees are commonly used for implementing float positioning; e.g. by WebKit. Persistence enables each object that interacts with floats to efficiently contain a snapshot of the float list at the time that object was laid out. That way, incremental layout can invalidate and start reflow at any point in a containing block. This commit features extensive use of [QuickCheck](https://github.com/BurntSushi/quickcheck) to ensure that the rules of the CSS specification are followed. Because this is not yet connected to layout, floats will not actually be laid out in Web pages yet. Note that unit tests as set up in Servo currently require types that they access to be public. Therefore, some internal layout 2020 types that were previously private have been made public. This is somewhat unfortunate. Part of #25167.		2020-07-20 12:42:34 -07:00
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display_list	Implement visibility for layout_2020	2020-06-14 00:31:37 +02:00
flexbox	Manage side effects when redoing layout for align-self: stretch flex item	2020-06-23 10:26:24 +02:00
flow	Add an implementation of the core float and clear placement logic in layout	2020-07-20 12:42:34 -07:00
tests	Add an implementation of the core float and clear placement logic in layout	2020-07-20 12:42:34 -07:00
Cargo.toml	Add an implementation of the core float and clear placement logic in layout	2020-07-20 12:42:34 -07:00
cell.rs	Implement Default for ArcRefCell	2020-03-17 11:15:17 -07:00
context.rs	Implement cross origin resource policy check	2020-05-08 19:15:24 +02:00
data.rs	Replace OpaqueStyleAndLayoutData by StyleAndOpaqueLayoutData	2020-04-06 23:06:13 +02:00
dom_traversal.rs	Bump rust to 1.46.0-nightly (a8cf39911 2020-06-21)	2020-06-23 19:13:36 +02:00
element_data.rs	Flex items in the box tree	2020-06-04 13:19:53 +02:00
formatting_contexts.rs	First pass at implementing the Flex Layout Algorithm	2020-06-23 00:41:27 +02:00
fragments.rs	layout_2020: Tag fragments with their pseudo content type	2020-06-06 17:25:08 +02:00
geom.rs	Add an implementation of the core float and clear placement logic in layout	2020-07-20 12:42:34 -07:00
layout_debug.rs	Rename BoxTreeRoot/FragmentTreeRoot to BoxTree/FragmentTree	2020-05-15 13:25:35 +02:00
lib.rs	Add an implementation of the core float and clear placement logic in layout	2020-07-20 12:42:34 -07:00
opaque_node.rs	Remove layout_2020::display_list, use WebRender display lists instead	2019-09-07 19:38:44 +02:00
positioned.rs	Compute content sizes lazily in layout 2020	2020-06-18 14:11:02 +02:00
query.rs	Fix ./mach build --release --with-layout-2020	2020-06-10 22:34:24 +05:30
replaced.rs	Add WebGPU to Layout-2020	2020-06-14 11:05:36 +05:30
sizing.rs	Parallelize BlockContainer::inline_content_sizes	2020-06-19 15:38:15 +02:00
style_ext.rs	Use the writing mode of the containing block when accessing CSS properties	2020-06-10 09:03:18 +02:00
traversal.rs	Remove postorder traversal from layout 2020 during styling	2020-04-06 12:40:05 +02:00
wrapper.rs	Replace OpaqueStyleAndLayoutData by StyleAndOpaqueLayoutData	2020-04-06 23:06:13 +02:00