In the cases where spec authors have us directly interact with promises
in a task source context, we need to prepare the backup settings object
stack as well as push an actual execution context to the JS VM.
This prevents goal conditions that rely on tasks that are currently in
flight on the task queue (or were just submitted) from blocking the
event loop until an IPC event fires to kick the native event loop.
This involves passing the UserNavigationInvolvement from each form
associated element that triggers a submit through to the methods that
perform the actual navigation. While here, refactor HTMLFormElement to
use the new Bindings::NavigationHistoryBehavior enum.
The one current caller of this function always defers microtask
checkpoints before calling wait_for_all, ensuring that the promise
accept/reject handlers will always be called later in the Web event loop
processing. We need to store all the state for the closures in a heap
allocated object with HeapFunctions to keep it around while there are
still promises to resolve.
We need to make sure that the given target realm is at the top of the
VM's execution context stack before doing any JS object construction
based on the data in our serialized buffer.
Window and other global objects are not technically legacy platform
objects, and have other ways to override their setters and getters.
However, Window does need to share some code with the legacy platform
object paths, and simply adding another bool check to the mix seems
the shortest putt.
Prior to this change, we iterated through all fragments within each
PaintableWithLines to resolve the relative position offset. This
happened before transferring the fragments to their corresponding
inline paintables.
With this change, we significantly reduce amount of work by attempting
to resolve relative position offsets only for those contained within
inline paintables.
Performance improvement on https://html.spec.whatwg.org/
Now, instead of resolving "transform" and "transform-origin" during the
construction of the stacking context tree, we do so during the layout
commit.
This is part of a refactoring effort to make the paintable tree
independent from the layout tree.
Now, we will evenly distribute the remaining free space across tracks
using the auto max-tracks sizing function, exactly as the specification
states. Many tests are affected, but they are not visually broken.
Fixes https://github.com/SerenityOS/serenity/issues/22798
This refactoring makes WebContent less aware of LibWeb internals.
The code that initializes paint recording commands now resides in
`Navigable::paint()`. Additionally, we no longer need to reuse
PaintContext across iframes, allowing us to avoid saving and restoring
its state before recursing into an iframe.
There are a bunch of situations where we need to treat cross axis
max-size properties as "none", notably percentage values when the
reference containing block size is an intrinsic sizing constraint.
This fixes an issue where flex items with definite width would get
shrunk to 0px by "max-width: 100%" in case the item itself is an
SVG with no natural width or height.
For consistency, we now use the should_treat_max_width/height_as_none
helpers throughout FFC.
This makes the search/account/cart icons show up in the top right
on https://twinings.co.uk :^)
This is the same fix as 07928129dd
also applied to the SVG script element case. Fixes a crash for the
following HTML:
```html
<svg>
<script>
location.reload();
</script>
</svg>
```
As with the linked commit:
> With this change WebContent does not crash when `location.reload()` is
> invoked but `Navigable::reload()` still not working because of spec
> issue (whatwg/html#9869) so we can't add a
> test yet.
HTML fragments are parsed with a temporary HTML document that never has
its flag set to say that it is ready to have scripts executed. For these
fragments, in the HTMLParser, these scripts are prepared, but
execute_script is never called on them.
This results in the HTMLParser waiting forever on the document to be
ready to have scripts executed.
To fix this, only wait for the document to be ready if we are definitely
going to execute a script.
This fixes a hang processing the HTML in the attached test, as seen on:
https://github.com/SerenityOS/serenityFixes: #22735
Previously, constructing a `UnsignedBigInteger::from_base()` could
produce an incorrect result if the input string contained a valid
Base36 digit that was out of range of the given base. The same method
would also crash if the input string contained an invalid Base36 digit.
An error is now returned in both these cases.
Constructing a BigFraction from string is now also fallible, so that we
can handle the case where we are given an input string with invalid
digits.
