Update to selectors 0.8.2 (generic over atoms)
This removes the `[replace]` override in geckolib and therefore unblocks https://github.com/servo/servo/pull/12391.
This includes the `gecko_string_cache` redesign discussed in https://github.com/servo/servo/pull/12548.
r? @bholley
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Inline split fixes#12699
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Fix fragment splitting algorithm to set FIRST/LAST_FRAGMENT_OF_ELEMENT flag correctly, account for border_padding for border_box and set zero border_padding between for new fragments.
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Fix the currently logic that a item will freeze if it should
grow(shrink) and its basesize is less(more) than its min(max) size. Also
fix the divide by zero error when an item should shrink but it has zero
length and zero min size.
style: Add support for parsing and serialization of <basic-shape>s
Still WIP: I still need to use this somewhere and make serialization minimal. I'm not sure if I should do either in this PR.
The only other browser that handles basic shapes doesn't serialize correctly either (https://bugzilla.mozilla.org/show_bug.cgi?id=1290864), so that's not something we need to get done now.
As far as using this somewhere, I have the following options:
- Merge this now, work on using it in stylo in a followup.
- Just write extensive unit tests for parsing/serialization for now (stylo in a followup)
- Use this for clip-path in stylo only (which I intend to do anyway, just not sure if I should do it in this PR)
- Use this for clip-path in Servo (I'd rather not do this; this would be a huge change requiring a lot more layout knowledge than I currently have)
Thoughts? Review? @SimonSapin @bholley
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In the Gecko case, this style source would be the style context. In the servo
case, it will be always the computed values.
We could optimise this further in the case of stylo (from three FFI calls to
one) if we use an API of the form CalcAndStore(node, new_cv). But that would
imply borrowing the data twice from Servo (we also have borrow_data_unchecked
fwiw, but...).
Implement flexible box layout for row container
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This pull requests implements basic flexible box layout for row container.
It has implemented most basic flexbox features, including grow, shrink, multi-line, *reverse properties, and alignment under `justify-content`, `align-items`, `align-self`, `align-content`.
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r? @pcwalton
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Remove dead code from table_cell.rs
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Use explicit height of inline-block fragments
When an explicit height is used for inline-block fragments, the line spacing algorithm should use that for the height above the baseline, instead of the intrinsic one.
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stylo: Improve restyling performance
This commit adds hooks to the Servo style traversal to avoid traversing all the
DOM for every restyle. Additionally it changes the behavior of the dirty flag to
be propagated top down, to prevent extra overhead when an element is dirtied.
This commit doesn't aim to change the behavior on Servo just yet, since Servo does extra job when dirtying the node related with DOM revision counters that might be necessary.
CC @asajeffrey for the DOM revision counters stuff. When a node is dirty, do all its descendants really need to increment the revision counter, or is this an unintended effect? My intuition is that this is hurting performance quite a lot for servo.
r? @bholley
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Fix table vertical alignment (middle, bottom)
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Fixes table cell vertical alignment (middle, bottom, not yet baseline) when the row contains cells of differing heights.
Moved the work done earlier by @notriddle into a separate public function on TableCellFlow. This function is then called by TableRowFlow once the cell's block size has been calculator.
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Let textarea wrap lines
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1. Change textarea's style from white-space: pre to white-space: pre-wrap.
2. Display insertion point when a line is wrapped.
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The 'box_sizing_boundary()' method return the border_padding width in
certain direction if fragment has property 'box-sizing: border-box'. The
'border_padding' field should be initialized before.
Iterate over the items, create lines from them, resolve flex lengths
against them, set their inline size and margin lengths, and align them
according to 'justify-content', 'align-content' and 'align-self'.
As the flexbox spec change in May 2016, the absolutely positioned
children painting order no longer follow the `order` property, thus we
can simply filter them out.
Also sort items by the order field of 'FlexItem', no longer do two
vtable lookups in each compare.
These 'is_wrappable' flag can be used to determine if a flex flow can be
multi-line. The 'is_reverse' flag is replaced by 'main_reverse' and
'cross_reverse' since flex flow can go reverse individually in main and
cross direction.
Extend fields of `FlexItem` struct with values that are necessary to
resolve flexible lengths, and the 'order' property. Add other methods
for size computing to make the code more modular.
layout: Clear non-inherited properties on anonymous block
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This is one of my pull requests that imlement basic flexible box layout.
This pull request adds a `modify_style_for_anonymous_flow()` function to use initial values for non-inherited properties and parent values for inherited properties as the flow style. It also set border and outline to zero and set the display property from the parameter. This function may also be reused to modify style of anonymous table object in the future.
Part of code comes from `cascade_anonymous()` from @SimonSapin .
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Add a modify_style_for_anonymous_flow() function to use initial values
for non-inherited properties and parent values for inherited properties
as the block style. It also set border and outline to zero and set the
display property from the parameter.
Treat flex flow as block in float calculation
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This is on of my pull requests that implement basic flexible box layout.
Currently call `is_block_like()` on flex flow returns false. This would fix some errors in tests, for example 'flexbox-justify-content-horiz-001b.htm'.
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This was making us fall in a loop where the start split was empty, but we didn't
ignore it because the current fragment had this flag, but then we treated it
differently depending on the white_space property.
Not totally sure this is the proper fix, but it makes sense to me. In case it
is:
Fixes#12369.
Make text decorations have the same color as the text if no shadows are present
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