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Previously it was not doing so, and some code relied on this not being
the case.
In particular, set_caption, set_t_head and set_t_foot in
HTMLTableElement relied on this. This commit is not here to fix this,
so I added an assertion to make it equivalent to a reference for now.
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We must hook `on_call_stack_emptied` after the interpreter was created,
as the initialization of the WindowsObject can invoke some internal
calls, which will eventually lead to this hook being called without
`m_interpreter` being fully initialized yet.
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This method builds a JSON object representing the full state of the
DOM tree.
The JSON that is built will be used for building the DOM Inspector
widget for the OutOfProcessWebView.
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The WebIDL spec specifies a few "simple" exception types in addition to
the DOMException type, let's support all of those.
This allows functions returning ExceptionOr<T> to throw regular
javascript exceptions (as limited by the webidl spec) by returning a
`DOM::SimpleException { DOM::SimpleExceptionType::T, "error message" }`
which is pretty damn cool :^)
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Adds support for the :active pseudo-class for hyperlinks (<a> tags
only).
Also, since it was very similar to :focus and an element having a
focused state was already implemented, I went ahead and implemented
that pseudo-class too, although I cannot come up with a working
example to validate it.
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This makes it much clearer what this cast actually does: it will
VERIFY that the thing we're casting is a T (using is<T>()).
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As well as the needed functionality in VM to enqueue and run cleanup
jobs for the FinalizationRegistry instances.
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This counter is increased each time a synchronous execution sequence
completes, and will allow us to emulate the abstract operations
AddToKeptObjects & ClearKeptObjects efficiently.
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Previously, AK::Function would accept _any_ callable type, and try to
call it when called, first with the given set of arguments, then with
zero arguments, and if all of those failed, it would simply not call the
function and **return a value-constructed Out type**.
This lead to many, many, many hard to debug situations when someone
forgot a `const` in their lambda argument types, and many cases of
people taking zero arguments in their lambdas to ignore them.
This commit reworks the Function interface to not include any such
surprising behaviour, if your function instance is not callable with
the declared argument set of the Function, it can simply not be
assigned to that Function instance, end of story.
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This replaces ctype.h with CharacterType.h everywhere I could find
issues with narrowing conversions. While using it will probably make
sense almost everywhere in the future, the most critical places should
have been addressed.
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Our "frame" concept very closely matches what the web specs call a
"browsing context", so let's rename it to that. :^)
The "main frame" becomes the "top-level browsing context",
and "sub-frames" are now "nested browsing contexts".
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This was accidentally changed in
b91c49364df1683c7fe1191eb02b8d9c331874f6
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Also adds an exception check to the append at the end.
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LibWeb is now responsible for logging unhandled exceptions itself,
which means set_should_log_exceptions() is no longer used and can be
removed. It turned out to be not the best option for web page exception
logging, as we would have no indication regarding whether the exception
was later handled of not.
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Instead of having to run queued promise jobs in LibWeb in various
places, this allows us to consolidate that into one function - this is
very close to how the spec describes it as well ("at some future point
in time, when there is no running execution context and the execution
context stack is empty, the implementation must [...]").
Eventually this will also be used to log unhandled exceptions, and
possibly other actions that require JS execution to have ended.
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This makes it more symmetrical with adopt_own() (which is used to
create a NonnullOwnPtr from the result of a naked new.)
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This returns an HTMLCollection of all <a> elements in the document that
have a "name" attribute.
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This is a legacy interface that returns an always-empty HTMLCollection.
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HTMLCollection is an awkward legacy interface from the DOM spec.
It provides a live view of a DOM subtree, with some kind of filtering
that determines which elements are part of the collection.
We now return HTMLCollection objects from these APIs:
- getElementsByClassName()
- getElementsByName()
- getElementsByTagName()
This initial implementation does not do any kind of caching, since that
is quite a tricky problem, and there will be plenty of time for tricky
problems later on when the engine is more mature.
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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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To protect the main Browser process against nefarious cookies, parse the
cookies out-of-process and then send the parsed result over IPC to the
main process. This way, if the cookie parser blows up, only that tab
will be affected.
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These provide the cursor coordinate within the viewport at which the
event occurred (as opposed to the page relative coordinates exposed via
offsetX, offsetY).
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To implement the HttpOnly attribute, the CookieJar needs to know where a
request originated from. Namely, it needs to distinguish between HTTP /
non-HTTP (i.e. JavaScript) requests. When the HttpOnly attribute is set,
requests from JavaScript are to be blocked.
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This fixes a few FIXMEs mentioned in 5beacf08a2d578d0eb36d6320255d0f4634a1085,
which depended on #6075 being fixed.
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This is a legacy function providing a way of constructing events without
using their constructors exposed on the global object.
We don't have many of the events it supports yet, nor can we throw a
DOMException from it, so that's two FIXMEs for later.
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The mutation algorithms now more closely follow the spec and
fixes some assertion failures in tests such as Acid3 and Dromaeo.
The main thing that is missing right now is passing exceptions to the
bindings layer. This is because of issue #6075. I spent a while trying
to work it out and got so frustrated I just left it as a FIXME. Besides
that, the algorithms bail at the appropriate points.
This also makes the adopting steps in the document more spec compliant
as it's needed by the insertion algorithm. While I was at it, I added
the adoptNode IDL binding.
This adds a bunch of ancestor/descendant checks to TreeNode as well.
I moved the "remove_all_children" function to Node as it needs to use
the full remove algorithm instead of simply removing it from
the child list.
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"for_each_in_inclusive_subtree(_of_type)"
This is because it includes the initial node that the function was
called on, which makes it "inclusive" as according to the spec.
This is important as there are non-inclusive variants, particularly
used in the node mutation algorithms.
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The background-repeat value may be specified as either one- or two-value
identifiers (to be interpreted as horizontal and vertical repeat). This
adds two pseudo-properties, background-repeat-x and background-repeat-y,
to handle this. One-value identifiers are mapped to two-value in
accordance with the spec.
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Update the painting of background images for both <body> nodes and other
non-initial nodes. Currently, only the following values are supported:
repeat, repeat-x, repeat-y, no-repeat
This also doesn't support the two-value syntax which allows for setting
horizontal and vertical repetition separately.
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We now run queued promise jobs after calling event handler, timer, and
requestAnimationFrame() callbacks - this is a bit ad-hoc, but I don't
want to switch LibWeb to use an event loop right now - this works just
fine, too.
We might want to revisit this at a later point and do tasks and
microtasks properly.
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Otherwise an embedded iframe will override the page title in the
browser, for example.
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With one small exception, this is how we've been using this API already,
and it makes sense: a Program is just a ScopeNode with any number of
statements, which are executed one by one. There's no explicit return
value at the end, only a completion value of the last value-producing
statement, which we then access using VM::last_value() if needed (e.g.
in the REPL).
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We don't get/set anything, but at least scripts that access document
cookies can now progress further. :^)
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(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED)
Since all of these checks are done in release builds as well,
let's rename them to VERIFY to prevent confusion, as everyone is
used to assertions being compiled out in release.
We can introduce a new ASSERT macro that is specifically for debug
checks, but I'm doing this wholesale conversion first since we've
accumulated thousands of these already, and it's not immediately
obvious which ones are suitable for ASSERT.
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Also tidy up DOM::Range a little bit while we're here, and unify the
way we create them to use a delegating constructors.
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We'll want to remove the LibGUI dependency from the WebContent process.
This is the first basic step of removing unnecessary LibGUI includes
and swapping out GUI::Painter for Gfx::Painter.
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From https://dom.spec.whatwg.org/#concept-getelementsbyclassname:
The comparisons for the classes must be done in an ASCII case-
insensitive manner if root’s node document’s mode is "quirks", and
in an identical to manner otherwise.
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From https://dom.spec.whatwg.org/#concept-getelementsbytagname:
2. Otherwise, if root’s node document is an HTML document, return a
HTMLCollection rooted at root, whose filter matches the following
descendant elements:
* Whose namespace is the HTML namespace and whose qualified name
is qualifiedName, in ASCII lowercase.
* Whose namespace is not the HTML namespace and whose qualified
name is qualifiedName.
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Instead of being a weird little global function in DOM/Document.cpp,
you can now get the main thread JS VM via Bindings::main_thread_vm().
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This patch adds an IPC call for debugging requests. It's stringly typed
and very simple, and allows us to easily implement all the features in
the Browser's Debug menu.
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