ICU 72 began using non-ASCII spaces in some formatted date-time strings.
Every major browser has found that this introduced major breakage in web
compatibility, as many sites and tools expect ASCII spaces. This patch
removes these non-ASCII spaces in the same manner as the major engines.
Such behavior is also tested by WPT.
This removes the --enable-callgrind-profiling flag, and replaces it with
a --profile-process=<process-name> flag. For example:
ladybird --profile-process=WebContent
ladybird --profile-process=RequestServer
This allows profiling any helper process with callgrind.
This removes the --debug-web-content flag, and replaces it with a
--debug-process=<process-name> flag. For example:
ladybird --debug-process=WebContent
ladybird --debug-process=RequestServer
This allows attaching gdb to any helper process.
Overflow clipping is currently implemented as:
1. Create clip frame for each box with hidden overflow
2. Calculate clip rect for each clip frame by intersecting padding boxes
of all boxes with hidden overflow in containing block chain
3. Assign enclosing clip frame (closest clip frame in containing block
chain) to each PaintableBox
4. Apply clip rect of enclosing clip frame in Paintable::before_paint()
It breaks when any CSS transform other than simple translation is lying
between box with hidden overflow and a clipped box, because clip
rectangle will be applied when transform has already changed.
The fix is implemented by relying on the following rule:
"For elements whose layout is governed by the CSS box model, any value
other than none for the transform also causes the element to establish
a containing block for all descendants."
It means everything nested into a stacking context with CSS transform
can't escape its clip, so it's safe to apply its clip for all children.
Adds missing clip of border-radius for clip frame. While we have already
accounted for the border-radius of containing blocks, the box itself was
not being clipped.
Remove `for_each_section_of_type` in favor of making the module's
sections defined as distinct fields. This means it is no longer possible
to have two of the same section (which is invalid in WebAssembly, for
anything other than custom sections).
Now that the implementation is in FormAssociatedElement, the
implementation in HTMLInputElement is effectively just a passthrough,
with some minor differences to handle small behavioural quirks between
the two (such as the difference in nullability of types).
The user is not required to keep the object alive, this commit makes it
so the lifetime of these functions is extended to match the Wasm module
it is imported into.
Fixes the crash in #907.
Currently, if we want to add a new e.g. WebContent command line option,
we have to add it to all of Qt, AppKit, and headless-browser. (Or worse,
we only add it to one of these, and we have feature disparity).
To prevent this, this moves command line flags to WebView::Application.
The flags are assigned to ChromeOptions and WebContentOptions structs.
Each chrome can still add its platform-specific options; for example,
the Qt chrome has a flag to enable Qt networking.
There should be no behavior change here, other than that AppKit will now
support command line flags that were previously only supported by Qt.
We don't want to set the intrinsic Console object's client to non-top-
level clients, created for e.g. subframes. We also want to make sure the
Console client is updated if the top-level document has changed.
We explicitly stopped visting the map of documents to console clients in
commit 44659f2f2a to avoid keeping the
document alive. However, if nothing else visits the console clients, we
may set the top-level console client to a client that has been garbage
collected.
So instead of storing this map, just store the console client on the
document itself. This will allow the document to visit its client.
Moves paint_table_borders() call into PaintableBox::paint() to make
scroll offset and clip rectangle of enclosing scrollable be applied
in ::before_paint().
Previously, pseudo-elements had their style computed while the layout
tree was being built. Instead, do so inside Element::recompute_style(),
using the same invalidation mechanism that the element itself uses.
This also has the effect of invalidating the layout much less often.
Pseudo-elements' style is only computed while building the layout tree.
This meant that previously, they would not have their style recomputed
in some cases. (Such as when :hover is applied to an ancestor.)
Now, when recomputing an element's style, we also return a full
invalidation if one or more pseudo-elements would exist either before or
after style recomputation.
This heuristic produces some false positives, but no false negatives.
Because pseudo-elements' style is computed during layout building, any
computation done here is then thrown away. So this approach minimises
the amount of wasted style computation. Plus it's simple, until we have
data on what approach would be faster.
This fixes the Acid2 nose becoming blue when the .nose div is hovered.
Contrary to LibGfx, where corner clipping was implemented by sampling
and blitting pixels under corners into a temporary bitmap, Skia allows
us to simply apply a mask. As a result, we no longer need the
BlitCornerClipping command, which has become a no-op.
- SampleUnderCorners is renamed to AddRoundedRectClip
- The optimization that skipped unnecessary blit and sample commands has
been removed. However, this should not result in a performance
regression because Skia seems to perform mask rasterization lazily.
In the HTML parser spec, there are 2 instances of the following text:
add the attribute and its corresponding value to that element
The "add the attribute" text does not have a corresponding spec link to
actually specify what to do. We currently use `set_attribute`, which can
throw an exception if the attribute name contains an invalid character
(such as '<'). Instead, switch to `append_attribute`, which allows such
attribute names. This behavior matches Firefox.
Note we cannot yet make the unclosed-html-element.html test match the
expectations of the unclosed-body-element.html due to another bug that
would prevent checking if the expected element has the right attribute.
That will be fixed in an upcoming commit.
That usually happens in "exceptional" states when the client exits
unexpectedly (crash, force quit mid-load, etc), leading to the job flush
timer firing and attempting to write to a nonexistent object (the
client).
This commit makes RS simply cancel such jobs; cancelled jobs in this
state simply go away instead of sending notifications around.
`Module::functions` created clones of all of the functions in the
module. It provided a _slightly_ better API, but ended up costing around
40ms when instantiating spidermonkey.
This code previously only allocated enough space in
m_col_elements_by_index for 1 slot per column, meaning that columns
with a span > 1 would write off the end of it.
These have a few rules that we didn't follow in most cases:
- CSS-wide keywords are not allowed. (inherit, initial, etc)
- `default` is not allowed.
- The above and any other disallowed identifiers must be tested
case-insensitively.
This introduces a `parse_custom_ident_value()` method, which takes a
list of disallowed identifier names, and handles the above rules.
The main incentive is much better performance. We could have gone a bit
further in optimizing the Skia painter to blit glyphs produced by LibGfx
more efficiently from the glyph atlas, but eventually, we also want Skia
to improve correctness.
This change does not completely replace LibGfx in text handling. It's
still used at all stages, including layout, up until display list
replaying.
While conceptually is_supported_property_index is a cheap index lookup,
it is not currently cheap for an container such as HTMLAllCollection
that is operating on an uncached collection. Instead - just do the
lookup once. It also happens to look a little nicer to not blindly
dereference an optional.
This uses a faster hashtable lookup in the case of HTMLCollection.
Also port invoke_named_property_setter to FlyString to avoid a
FlyString->String->FlyString conversion that surfaces from this change.
This removes some ambiguity about what the return value should be if
the index is out of range.
Previously, we would sometimes return a JS null, and other times a JS
undefined.
It will also let us fold together the checks for whether an index is a
supported property index, followed by getting the value just afterwards.
This is `counter(name, style?)` or `counters(name, link, style?)`. The
difference being, `counter()` matches only the nearest level (eg, "1"),
and `counters()` combines all the levels in the tree (eg, "3.4.1").
These control the state of CSS counters.
Parsing code for `reversed(counter-name)` is implemented, but disabled
for now until we are able to resolve values for those.
The new method is Parser::parse_all_as_single_none_value(), which has a
few advantages:
1. There's no need for user code to manually create a StyleValue.
2. It consumes tokens so that doesn't have to be done manually.
3. Whitespace before or after the `none` is consumed correctly.
It does mean we create and then discard a `none` StyleValue in a couple
of places, namely parsing for `grid-*` properties. We may or may not
want to migrate those to returning the IdentifierStyleValue instead.
This seems to have been required when pseudo-elements were first
implemented, but has since become unused. It's also awkward because we
don't have access to the DOM Element and its CountersSet at this point.
So, let's remove it.
For reference, Chrome&Firefox both return the computed value for
`content: counter(foo)` as `counter(foo)`, not as the computed string.
So not computing it here seems like the intended behaviour.
This represents each element's set of CSS counters.
https://drafts.csswg.org/css-lists-3/#css-counters-set
Counters are resolved while building the tree. Most elements will not
have any counters to keep track of, so as an optimization, we don't
create a CountersSet object until the element actually needs one.
In order to properly support counters on pseudo-elements, the
CountersSet needs to go somewhere else. However, my experiments with
placing it on the Layout::Node kept hitting a wall. For now, this is
fairly simple at least.
We now follow the rules from the spec more closely, along with an
unspecified quirk for when the offsetParent is a non-positioned body
element. (Spec bug linked in a comment.)
This fixes a whole bunch of css-flexbox tests on WPT, which already had
correct layout, but the reported metrics from JS API were wrong.
We now ensure that `Node::is_character_data()` returns true for all
nodes of type character data.
Previously, calling `Node::length()` on `CDataSection` or
`ProcessingInstruction` nodes would return an incorrect value.
We were mistakenly executing the current node's script instead of the
document's pending parsing-blocking script.
This caused ~1000 WPT tests to time out, since we never ended up firing
a load event for XHTML pages that load multiple external scripts.
Before this change, "background-clip: text" was implemented by saving a
Vector<Gfx::Path> of all glyphs needed to paint a mask for the
background. The issue with this approach was that once glyphs were
extracted into vector paths, the glyph rasterization cache could no
longer be utilized.
With this change, all text required for mask painting is saved in a
nested display list and rasterized as a regular text.
This change is a preparation for the upcoming changes where display
list will be nested and the same display could be owned by multiple
display list items.
With this change display list player will be able to recurse into
executing another display list, without having to construct new display
list player. It is going to be useful in the upcoming changes to paint
a mask from a display list owned by a command.
Previously, when creating a HTML element with
`document.createElementNS()` we would convert the given local name to
lowercase before deciding which element type to return. We now no
longer perform this lower case conversion, so if an uppercase local
name is provided, an element of type `HTMLUnknownElement` will be
returned. This aligns our implementation with the specification.
Instead of multiple loops and multiple vectors, parse Wasm expressions
in a simple loop. This gets us from ~450ms to instantiate spidermonkey
to ~280ms.
`swizzle` had the wrong operands, and the vector masking boolean logic
was incorrect in the internal `shuffle_or_0` implementation. `shuffle`
was previously implemented as a dynamic swizzle, when it uses an
immediate operand for lane indices in the spec.
CommandResult was needed by LibGfx display list player that could have
failed to allocate a temporary bitmap for painting a stacking context
with CSS transforms. This is no longer an issue with Skia painter, so
we can delete CommandResult::SkipStackingContext handling path.
This is called by https://athenacrisis.com/ and passed through to
AudioNode.connect, which expects an AudioNode.
Implement this function enough so that we return an AudioNode so that
AudioNode.connect does not throw a TypeError.
This is an AudioNode representing the final audio destination and is
what the user will ultimately hear.
This node is used as one of the connecting nodes in athenacrisis.com
Add a placeholder for the interface without anything backing it for now.
With this change, instead of recording a display list item for each
instance of a repeated background, a new DrawRepeatedImmutableBitmap
type is used. This allows the painter to use optimized repeated image
painting and, when the GPU backend is used, avoid re-uploading the image
texture for each repetition.
Some screenshot tests are affected, but there are no visible
regressions.
https://null.com/games/chainstaff works a lof faster with this change.
The :host family of pseudo class selectors select the shadow host
element when matching against a rule from within the element's shadow
tree.
This is a bit convoluted due to the fact that the document-level
StyleComputer keeps track of *all* style rules, and not just the
document-level ones.
In the future, we should refactor style storage so that shadow roots
have their own style scope, and we can simplify a lot of this.
This fixes an issue where :host(foo) would parse as if "foo" was the
on the right side of a descendant combinator.
Not testable yet, but will be in the next commit.
We don't want to set the intrinsic Console object's client to non-top-
level clients, created for e.g. SVG elements or subframes. We also want
to make sure the Console client is updated if the top-level document has
changed.
Checking that the string parsed for the `font` property is not enough,
the spec also wants to rule out CSS-wide keywords like `inherit`. The
simplest way to do so is to check if it's a ShorthandStyleValue, which
also rules out use of `var()`; this matches other browsers' behaviour.
The newly-added test would previously crash, and now doesn't. :^)
The typeof operator has a very small set of possible resulting strings,
so let's make it much faster by caching those strings on the VM.
~8x speed-up on this microbenchmark:
for (let i = 0; i < 10_000_000; ++i) {
typeof i;
}
Before this change, removing a style element from inside a shadow tree
would cause it to be unregistered with the document-level list of sheets
instead of the shadow-root-level list.
This would eventually lead to a verification failure if someone tried to
update the text contents of that style element, since it was still in
the shadow-root-level list, but now with a null owner element.
Fixes a crash on https://www.swedbank.se/
The default limit (at least on Linux) causes us to run out of file
descriptors at around 15 tabs. Increase this limit to 8k. This is a
rather arbitrary number, but matches the limit set by Chrome.
Having resolution of all properties for all paintable types in a single
function was hard to iterate on, so this change separates it into
smaller functions per paintable type.
Previously, if a document had any element with a name attribute that
was set to the empty string, then `document.getElementsByName("")` and
`element.getElementsByName("")` would return a collection including
those elements.
Previously, if a document had an element whose id was the empty string,
then `document.getElementById("")` and `element.getElementById("")`
would return that element.
This change removes wrappers inherited from Gfx::Typeface for WOFF and
WOFF2 fonts. The only purpose they served is owning of ttf ByteBuffer
produced by decoding a WOFF/WOFF2 font. Now new FontData class is
responsible for holding ByteBuffer when a font is constructed from
non-externally owned memory.
It currently doesn't support animated image.
Note that Gfx::Bitmap has no support for get_pixel when the format is
RGBA8888. This is why it has been removed from the tests.
Previously, `SVGSVGBox` would have a natural aspect ratio of 0 if it
had a viewbox with zero width. This led to a division by zero, causing
a crash.
Found by Domato.
Previously calling `PaintableBox::set_scroll_offset()` with a
PaintableBox whose content size was larger than its scrollble overflow
rect would cause a crash.
Found by Domato.
We had a const and non-const version of this function, with slightly
different behavior (oops!)
This patch consolidates the implementations and keeps only the correct
behavior in there.
Fixes an issue where comments were not collapsible on Hacker News.
Skia painter is visibly faster than LibGfx painter and has more complete
CSS transforms support. With this change:
- On Linux, it will try to use Vulkan-backend with fallback to
CPU-backend
- On macOS it will try to use Metal-backend with fallback to
CPU-backend
- headless-browser always runs with CPU-backend in layout mode
LibGfx's output is consistent across different platforms, which allows
us to have one set of expectations for screenshot tests. This
consistency will not hold for Skia, where features like antialiasing and
gradient color interpolation vary slightly depending on the platform. In
upcoming changes, we are going to switch to using Skia as the default
painter, which leaves us with the following options:
- Have per-platform screenshot test expectations.
- Limit screenshot tests to run only on one platform and maintain a
single set of expectation files.
For now, I have decided to choose the latter option, using Linux as it
seems to be the most popular platform among developers.
These were being immediately stored in JS::GCPtrs (and dutifully visited
by HTMLParser), so creating temporary handles for them was a complete
waste of time.
When loading a canned version of reddit.com, we end up parsing many many
shadow tree style sheets of roughly ~170 KiB text each.
None of them have '\r' or '\f', yet we spend 2-3 ms for each sheet just
looping over and reconstructing the text to see if we need to normalize
any newlines.
This patch makes the common case faster in two ways:
- We use TextCodec::Decoder::to_utf8() instead of process()
This way, we do a one-shot fast validation and conversion to UTF-8,
instead of using the generic code-point-at-a-time callback API.
- We scan for '\r' and '\f' before filtering, and if neither is present,
we simply use the unfiltered string.
With these changes, we now spend 0 ms in the filtering function for the
vast majority of style sheets I've seen so far.
This way, we still perform UTF-8 validation, but don't go through the
slow generic code path that rebuilds the decoded string one code point
at a time.
This was a bottleneck when loading a canned copy of reddit.com, which
ended up being ~120 MiB large.
- Time spent decoding UTF-8 before this change: 1192 ms
- Time spent decoding UTF-8 after this change: 154 ms
That's still a long time, but 7.7x faster is nothing to sneeze at! :^)
Note that if the input fails UTF-8 validation, we still fall back to
the slow path and insert replacement characters per the WHATWG Encoding
spec: https://encoding.spec.whatwg.org/#utf-8-decode
This change makes OpenType::Name::string_for_id handle fonts whose names
are UTF-16-encoded (along with handling UTF-8-encoded names).
Otherwise, without this change, the existing code assumes the names are
UTF-8-encoded, fails gracelessly if they’re not, and crashes.
Fixes https://github.com/LadybirdBrowser/ladybird/issues/75
This is the expected behavior per the HTML spec. Fixes an issue where
styling these elements wouldn't have the expected effect unless you also
set the display property.
For performance, rather than slowly incrementing the capacity of the
rope string's buffer, compute an approximate length for that buffer to
be reserved up front.
Instead of allowing arbitrarily large values (which could eventually
overflow an i32), let's just cap them at the same limit as Firefox does.
Found by Domato.
This change will make it easier to disable screenshot comparison tests
on a specific platform or have per-platform expectations.
Additionally, it's nice to be able to tell if a ref-test uses a
screenshot as an expectation by looking at the test path.
The EntryType has three possible values: Fetching, Failed or
ModuleScript. It is possible that we transition from Fetching to Failed
as in #13.1. Change the assertion to include the failed scenario.
Fixes: https://github.com/LadybirdBrowser/ladybird/issues/661
GCC 14 emits a warning when an always succeeding `dynamic_cast`'s return
value is compared to NULL inside the `AK::is<T>(U)` template when `T` ==
`U`.
While warning on tautological `is` calls seems useful, it's a bit
awkward when it comes from a function template where the cast may fail
in some instantiation. There is a GCC bug open for it:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115664
Work around the warning by performing the algorithm on the base type
(`EventTarget`), with a wrapper that casts it to the more specialized
input type.
Areas are disassembled into boundary lines on `build_grid_areas()` step,
so we can always use them to find grid item's position during placement.
This way we support both ways to define area: `grid-template-areas` and
implicitly using `-start` and `-end` boundary line names.
Before this change, we were passing them as Gfx::ShareableBitmap. The
problem is that shareable bitmaps keep their underlying file descriptor
open, so that they can be shared again with someone else.
When a Gfx::Bitmap is decoded from an IPC message, the file descriptor
is closed and recovered immediately.
This fixes an issue where we'd accumulate one file descriptor for every
image decoded. This eventually led to descriptor starvation after enough
images were loaded and still referenced at the same time.
If no header includes the prototype of a function, then it cannot be
used from outside the translation unit it was defined in. In that case,
it should be marked as `static`, in order to avoid possible ODR
problems, unnecessary exported symbols, and allow the compiler to better
optimize those.
If this warning triggers in a function defined in a header, `inline`
needs to be added, otherwise if the header is included in more than one
TU, it will fail to link with a duplicate definition error.
The reason this diff got so big is that Lagom-only code wasn't built
with this flag even in Serenity times.
These used to be enabled in `serenity_compile_options.cmake` for
Serenity builds and were removed in 9b05fb98. This is a slightly more
conservative subset of those, with ones that are enabled by default
omitted.
This should prevent our code quality regressing in the long run.
- Change min track sizing function to be "auto" when flex size is
specified.
- Never check if min track sizing funciton is flexible, because only
max is allowed to be flexible.
- Address FIXME in automatic_minimum_size to avoid regressions after
making two fixes mentioned above.
The JS::Error types all store their exception messages as a String. So
by using ByteString, we hit the StringView constructor, and end up
allocating the same string twice.
Otherwise we'd hit a VERIFY in AK::SIMD::shuffle() when that operand
contains an out-of-range value, the spec tests indicate that a swizzle
with an out-of-range index should return 0.
(cherry picked from commit cd454a1e3d0bc8b3342ed39891c9b27409ecc829)
Enforce the use of the CPU backend in test mode to ensure that ref-tests
produce consistent results across different computers, as this
consistency cannot be achieved with the GPU backend.
We already have a FlyString of its value from parsing, and most users
also want a FlyString from it, so let's use that instead of converting
backwards and forwards.
The two users that did want a String are:
- Quotes, which make sense as FlyString instead, so I've converted that.
- Animation names, which should probably be FlyString too, but the code
currently also allows for other kinds of StyleValue, and I don't want
to dive into this right now to figure out if that's needed or not.
Each item in clip_paths represents a glyph run, and applying them as a
clip in intersection mode one by one results in an empty clip. Instead,
now all clip paths are joined and applied as a clip together.
This change fixes rendering of "background-clip: text" when an element
has more than one glyph run.
Fixed ref-test: Tests/LibWeb/Ref/css-background-clip-text.html
Implement for CreatePerIterationEnvironment for 'for' loops per the Ecma
Standard. This ensures each iteration of a 'for' loop has its own
lexical environment so that variables declared in the loop are scoped to
the current iteration.
Couple fixes found by reading the spec:
- Repeating should also happen in negative direction, so the whole
[0, 1] is covered.
- Leftmost and rightmost stops should be clamped to [0, 1] range if
needed, because Skia ignores everything outside of this range.
We currently have 2 base64 coders: one in AK, another in LibWeb for a
"forgiving" implementation. ECMA-262 has an upcoming proposal which will
require a third implementation.
Instead, let's use the base64 implementation that is used by Node.js and
recommended by the upcoming proposal. It handles forgiving decoding as
well.
Our users of AK's implementation should be fine with the forgiving
implementation. The AK impl originally had naive forgiving behavior, but
that was removed solely for performance reasons.
Using http://mattmahoney.net/dc/enwik8.zip (100MB unzipped) as a test,
performance of our old home-grown implementations vs. the simdutf
implementation (on Linux x64):
Encode Decode
AK base64 0.226s 0.169s
LibWeb base64 N/A 1.244s
simdutf 0.161s 0.047s
When traversing the layout tree to find an appropriate box child to
derive the baseline from. Only the child's margin and offset was being
applied. Now we sum each offset on the recursive call.
Previously, the presence of surrounding whitespace would give file paths
the `https` schema instead of the `file` schema, making navigation
unsuccessful.
The spec says to just call the XML serialization algorithm, but it
returns the "outer serialization", and we need the "inner" one. Let's
just concatenate serializations of children; then the result produced is
similar to one from Blink or Gecko.
With this we pass an additional ~2100 tests.
We are left with 7106 WASM fails :).
There's still some test cases in the iNxM tests that fail with
this PR, but they are somewhat weird.
Co-authored-by: Diego Frias <styx5242@gmail.com>
Previously, the scrollbar thumbs were (almost) invisible, when the page
background color was similar to the scrollbar thumb color (DarkGray).
Now, in addition to the filled rounded rectangle, the scrollbar thumbs
are painted with a 1px solid LightGrey border. On a white or light color
background the border stays invisible.
This method puts the given node and all of its sub-tree into a
normalized form. A normalized sub-tree has no empty text nodes and no
adjacent text nodes.
These methods were overriding properties specified by the EventInit
property bags in the constructor for WheelEvent and MouseEvent.
They appear to be legacy code and no longer relevant, as they would have
been used for ensuring natively dispatched events had the correct
properties --- This is now done in separate create methods, such as
MouseEvent::create_from_platform_event.
This fixes a couple WPT failures (e.g. in
/dom/events/Event-subclasses-constructors.html)
Previously the input element was displayed with value 0, when no value
was set in the HTML. Now it uses `value_sanitization_algorithm()`, which
will calculate the default value.
In `value_sanitization_algorithm()` there was a logical mistake/typo.
The comment from the spec says "unless the maximum is less than the
minimum".
The added layout test would fail without the code changes.
Fixes#520
When the min option is given the read will only be fulfilled when there
are min or more elements available in the readable byte stream.
When the min option is not given the default value for min is 1.
This change makes find-in-page ignore content that’s been added to the
document using CSS ::after or ::before pseudo-elements. Ignoring such
pseudo-element content for find-in-page matches the behavior in Chrome
and Safari (though not in Firefox).
Otherwise, without this change, find-in-page doesn’t ignore the
pseudo-element content, and we instead crash in
DOM::Range::common_ancestor_container after hitting an assert, due to
the start container and end container for the matched range not having a
common ancestor.
Fixes https://github.com/LadybirdBrowser/ladybird/issues/514
On PowerPC 64 pointers can use all 64 bits, however by convention on
Linux user-space addresses use only the lower 43 bits.
I'm not 100% certain that the masking off of the 16 high bits is the
proper solution, but it matches the rest of the LibJS code which assumes
pointers only use the lower 48 bits.
https://www.kernel.org/doc/ols/2001/ppc64.pdf
Skia does not have built-in support for gradient transition hints. So
instead of adding custom gradient painting, now we do the same thing as
other engines and preprocess color stops by replacing transition hints
with a bunch of points lying between adjacent color stops and calculated
using non-linear formula from the spec. As a result we get visually
close enough rendering we would get by applying spec-formula
individually to each point of a gradient.
Previously the entire slider track was colored.
Now only the lower part of the slider track (left side of the thumb) is
colored.
Chrome and Firefox do the same.
The first time Document learns its viewport size, we now suppress firing
of the resize event.
This fixes an issue on multiple websites that were not expecting resize
events to fire so early in the loading process.
Previously, setting CSS `line-height: 0` on an `input` element would
result in no text being displayed.
Other browsers handle this by setting the minimum height to the
"normal" value for single line inputs.
Now that we pass an `old_value` parameter to `attribute_changed` it is
no longer necessary to store the current attribute state in
`HTMLScriptElement`.
These were just here to create a nicer error message for debugging.
A release build will still crash in the exact same place, but now you'll
need to get a backtrace the normal way instead.
From https://html.spec.whatwg.org/multipage/scripting.html#script-processing-model:
When a script element el that is not parser-inserted experiences one
of the events listed in the following list, the user agent must
immediately prepare the script element el:
- [...]
- The script element is connected and has a src attribute set where
previously the element had no such attribute.
We now defer looking up the various identifiers by IdentifierTableIndex
until the last moment. This allows us to avoid the retrieval in common
cases like when a property access is cached.
Knocks a ~12% item off the profile on https://ventrella.com/Clusters/
The previous character used, @, conflicted with CSS. % is used by other
templating engines, and doesn't conflict with language features (e.g.
media queries).
NaN bit patterns are now (hopefully) preserved. `static_cast` does not
preserve the bit pattern of a given NaN, so ideally we'd use some other
sort of cast and avoid `static_cast` altogether, but that's a large
change for this commit. For now, this fixes the issues found in spec
tests.
Previously, when `WindowOrWorkerGlobalScope.reportError()` was called
the `filename` property of the dispatched error event was blank. It is
now populated with the full path of the active script.
The style of input and textarea elements is now invalidated when focus
is changed to a new element. This ensures any `:focus` selectors are
applied correctly.
This allows global `let` and `const` variable accesses to be cached
by the GetGlobal instruction, and works even when the access is in a
different translation unit from the declaration.
Knocks a ~10% item off the profile on https://ventrella.com/Clusters/
When compiling with `-O2 -g1` optimizations (as done in the main
Serenity build), no out-of-line definitions end up emitted for
`Value::to_numeric`, causing files that reference the function but don't
include the definition from `ValueInlines.h` to add an undefined
reference in LibJS.so.
(cherry picked from commit 85b7ce8c2f6daf0db80e801d7fb2503d070765ce)
The logic of the comment "the region between the high boundary and the
maximum value must be treated as the optimum region" is correct.
However, the code below covered only two cases, the optimum case was
missing.
Fixes#473
This commit replaces all TLS connection code with wolfssl.
The certificate parsing code has to remain for now, as wolfssl does not
seem to have any exposed API for that.
Like 1132c858e9, out-of-flow elements such
as float elements would get inserted into block level `::before` and
`::after` pseudo-element nodes when they should instead be inserted as a
sibling to the pseudo element. This change fixes that.
This fixes a few layout issues on the swedish tax agency website
(skatteverket.se). :^)
unofficial-skia is a vcpkg-specific package. With this change ladybird
can be built against skia as provided by system package managers such as
guix, mingw, and (soon) nix. All those packages include a .pc file, so
we use pkg-config.
The Replacement Character (U+FFFD) is most commonly used to signal a
text encoding error, i.e. when a stream of bytes couldn't be converted
to a sequence of code points. For glyphs that don't exist in a
particular font, our rendering logic already does the right thing by
drawing empty boxes (`.notdef`); let's not forcibly turn these into
U+FFFD during rendering.
