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Note that as of this commit, there aren't any such throwers, and the
call site in Heap::allocate will drop exceptions on the floor. This
commit only serves to change the declaration of the overrides, make sure
they return an empty value, and to propagate OOM errors frm their base
initialize invocations.
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This needs to happen before prototype/constructor intitialization can be
made lazy. Otherwise, GC could run during the C++ constructor and try to
collect the object currently being created.
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DeprecatedFlyString relies heavily on DeprecatedString's StringImpl, so
let's rename it to A) match the name of DeprecatedString, B) write a new
FlyString class that is tied to String.
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We have a new, improved string type coming up in AK (OOM aware, no null
state), and while it's going to use UTF-8, the name UTF8String is a
mouthful - so let's free up the String name by renaming the existing
class.
Making the old one have an annoying name will hopefully also help with
quick adoption :^)
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This removes a set of complex reference cycles between DOM, layout tree
and browsing context.
It also makes lifetimes much easier to reason about, as the DOM and
layout trees are now free to keep each other alive.
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We have to respect the width and height attributes of <iframe> elements
the same way as <img> elements.
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We no longer access Bindings::FooWrapper anywhere for a Foo platform
object, so these can be removed :^)
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We're still missing the lazy loading attribute handling, and once we hit
the navigation step, we fall back to totally ad-hoc behavior instead of
going all the way with a Fetch Request.
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This is a monster patch that turns all EventTargets into GC-allocated
PlatformObjects. Their C++ wrapper classes are removed, and the LibJS
garbage collector is now responsible for their lifetimes.
There's a fair amount of hacks and band-aids in this patch, and we'll
have a lot of cleanup to do after this.
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We will soon have two DOM nodes which contain nested browsing contexts:
HTMLIFrameElement and HTMLObjectElement. Only HTMLIFrameElement should
have its nested context created automatically upon insertion, so move
the invocation of that logic to HTMLIFrameElement.
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Instead of making each Layout::Node compute style for itself, we now
compute it in TreeBuilder before even calling create_layout_node().
For non-element DOM nodes, we create the style and layout tree node
in TreeBuilder. This allows us to move create_layout_node() from
DOM::Node to DOM::Element.
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With the renaming of "Frame" to "BrowsingContext", this changes
"FrameHostElement" to "BrowsingContextContainer" to further
match the spec.
https://html.spec.whatwg.org/#browsing-context-container
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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This particularly affects the insertion steps and the removed steps.
The insertion steps no longer take into the parent that the node
was inserted to, as per the spec. Due to this, I have renamed the
function from "inserted_into" to simply "inserted". None of the
users of the insertion steps was using it anyway.
The removed steps now take a pointer to the old parent instead of
a reference. This is because it is optional according to the spec
and old parent is null when running the removal steps for the
descendants of a node that just got removed.
This commit does not affect HTMLScriptElement as there is a bit
more to that, which is better suited for a separate commit.
Also adds in the adopted steps as they will be used later.
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This allows parsing of document fragments with "<iframe>" to construct
the iframe element without requiring that the fragment have a frame.
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A FrameHostElement is an HTML element (<frame> or <iframe>) that may
have a content frame that participates in the frame tree.
This basically just moves code from <iframe> to a separate base class
so we can share it with <frame> once we implement <frame>.
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