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This patch adds a simple, naive & inefficient class for document-wide
style invalidation, e.g. after element attribute updates. During
construction it collects a HashMap of a document's elements and their
matching rules, during destruction it does the same and then compares
the results; dirtying all elements that have a different number or order
of matching rules afterwards.
Much room for improvement, but it solves the problem of stale element
styling after attribute updates for now :^)
Fixes #4404.
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This will allow us to share some code between inline and non-inline
border painting.
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Also adds the ability to submit from JavaScript.
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Specification: https://dom.spec.whatwg.org/#concept-event-dispatch
This also introduces shadow roots due to it being a requirement of
the event dispatcher.
However, it does not introduce the full shadow DOM, that can be
left for future work.
This changes some event dispatches which require certain attributes
to be initialised to a value.
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Bring the names of various boxes closer to spec language. This should
hopefully make things easier to understand and hack on. :^)
Some notable changes:
- LayoutNode -> Layout::Node
- LayoutBox -> Layout::Box
- LayoutBlock -> Layout::BlockBox
- LayoutReplaced -> Layout::ReplacedBox
- LayoutDocument -> Layout::InitialContainingBlockBox
- LayoutText -> Layout::TextNode
- LayoutInline -> Layout::InlineNode
Note that this is not strictly a "box tree" as we also hang inline/text
nodes in the same tree, and they don't generate boxes. (Instead, they
contribute line box fragments to their containing block!)
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This is a first (huge) step towards modernizing the layout architecture
and bringing it closer to spec language.
Layout is now performed by a stack of formatting contexts, operating on
the box tree (or layout tree, if you will.)
There are currently three types of formatting context:
- BlockFormattingContext (BFC)
- InlineFormattingContext (IFC)
- TableFormattingContext (TFC)
Document::layout() creates the initial BlockFormattingContext (BFC)
which lays out the initial containing block (ICB), and then we recurse
through the tree, creating BFC, IFC or TFC as appropriate and handing
over control at the context boundaries.
The majority of this patch is just refactoring the old logic spread out
in LayoutBlock and LayoutTableRowGroup, and turning into these context
classes instead. A lot more cleanup will be needed.
There are many architectural wins here, the main one being that layout
is no longer performed by boxes themselves, which gives us much greater
flexibility in the outer/inner layout of a given box.
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As according to https://html.spec.whatwg.org/multipage/obsolete.html
Section 16.3 "Requirements for implementations"
Not all of these attributes are included due to requiring a bit more
functionality.
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This brings the SVG API closer to the rest of LibWeb
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Nothing in them right now as the classes don't contain the IDL
methods.
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This patch introduces the HighResolutionTime namespace which is home to
the Performance object (exposed via window.performance)
performance.now() is currently the only function, and it returns the
number of milliseconds since the window object was constructed. :^)
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We need to make some additional tweaks to the default UA style when
displaying documents in quirks mode.
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This will be inherited by documents and workers, to provide a common
abstraction for script execution. (We don't have workers yet, but we
might as well make this little space for them now to simplify things
down the road.)
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Following in the footsteps of <input type=checkbox>, this patch adds
LayoutButton which implements a basic push button using LibGfx styling
primitives.
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This is implemented entirely inside LibWeb, there is no GUI::CheckBox
widget instantiated, unlike other input types. All input types should
be moved to this new style of implementation.
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For now, the new DOM::EventDispatcher is very simple, it just iterates
over the set of listeners on an EventTarget and invokes the callbacks
as it goes.
This simplifies EventTarget subclasses since they no longer have to
implement the callback mechanism themselves.
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Also adds a TypeScript definition file for the test runner object.
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...{All} to ParentNode. Exposes createDocumentFragment and
createComment on Document. Stubs out the document.body setter.
Also adds ParentNode back :^).
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This requires moving remove_all_children() from ParentNode to
Node, which makes ParentNode.cpp empty, so remove it.
It also co-opts the existing Node::text_content() method and
tweaks it slightly to fit the semantics of Node.textContent.
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This is mostly to get the grunt work of the way. This is split up into
multiple commits to hopefully make it more manageable to review.
Note that these are not full implementations, and the bindings mostly
get the low hanging fruit.
Also implements some attributes that I kept out because they had
dashes in them. Therefore, this closes #2905.
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After running a build command, make by default stat()s the command's
output, and if it wasn't touched, then it cancels all build steps
that were scheduled only because this command was expected to change
the output.
Ninja has the same feature, but it's opt-in behind the per-command
"restat = 1" setting. However, CMake enables it by default for all
custom commands.
Use Meta/write-only-on-difference.sh to write the output to a temporary
file, and then copy the temporary file only to the final location if the
contents of the output have changed since last time.
write-only-on-difference.sh automatically creates the output's parent
directory, so stop doing that in CMake.
Reduces the number of build steps that run after touching a file
in LibCore from 522 to 312.
Since we now no longer trigger the CMake special case "If COMMAND
specifies an executable target name (created by the add_executable()
command), it will automatically be replaced by the location of the
executable created at build time", we now need to use qualified paths to
the generators.
Somewhat related to #2877.
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This will be used for editable content. :^)
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Named after the UIEvents specification that houses MouseEvent.
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Note that these aren't full implementations of the bindings. This
mostly implements the low hanging fruit (namely, basic reflections)
There are some attributes that should be USVString instead of
DOMString. However, USVString is a slightly different definition
of DOMString, so it should suffice for now.
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Take a hint from SVG and more all the HTML classes into HTML instead of
mixing them with the DOM classes.
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This commit starts adding a basic SVG element. Currently, svg elements
have support for the width and height properties, as well as the stroke,
stroke-width, and fill properties. The only child element supported
is the path element, as most other graphical elements are just shorthand
for paths.
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This allows us to determine which mode to render the page in.
Exposes "doctype" and "compatMode" on Document.
Exposes "name", "publicId" and "systemId" on DocumentType.
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We use this to ensure that we're always working with a selection where
the start() is before the end() in document order. That simplifies all
the logic around this.
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This patch adds a Web::Timer object that represents a single timer
registration made with window.setTimeout() or window.setInterval().
All live timers are owned by the DOM Window object.
The timers can be stopped via clearTimeout() or clearInterval().
Note that those API's are actually interchangeable, but we have to
support both.
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The new parser is now used everywhere and it's working pretty well!
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