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ladybird/Userland/Libraries/LibWeb/HTML/HTMLBRElement.cpp

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 11:38:21 +03:00
/*
LibWeb: Let <br> elements have style At the very least, we need to respect `<br style="display: none">`
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 11:38:21 +03:00
*
Everything: Move to SPDX license identifiers in all files. 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 *
2021-04-22 11:24:48 +03:00
* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 11:38:21 +03:00
*/
LibWeb: Let <br> elements have style At the very least, we need to respect `<br style="display: none">`
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#include <LibWeb/DOM/Document.h>
LibWeb: Move HTML object model stuff into LibWeb/HTML/ Take a hint from SVG and more all the HTML classes into HTML instead of mixing them with the DOM classes.
2020-07-26 16:08:16 +03:00
#include <LibWeb/HTML/HTMLBRElement.h>
LibWeb: Rename LayoutNode classes and move them into Layout namespace 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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#include <LibWeb/Layout/BreakNode.h>
LibHTML: Implement the <br> element for line breaking The <br> element will produce a special LayoutBreak node in the layout tree, which forces a break in the line layout whenever encountered. This patch also makes LayoutBlock use the current line-height as the minimum effective height for each line box. This ensures that having multiple <br> elements in a row doesn't create 0-height line boxes.
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LibWeb: Move HTML classes into the Web::HTML namespace
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namespace Web::HTML {
LibWeb: Move everything into the Web namespace
2020-03-07 12:27:02 +03:00
LibWeb: Put most LibWeb GC objects in type-specific heap blocks With this change, we now have ~1200 CellAllocators across both LibJS and LibWeb in a normal WebContent instance. This gives us a minimum heap size of 4.7 MiB in the scenario where we only have one cell allocated per type. Of course, in practice there will be many more of each type, so the effective overhead is quite a bit smaller than that in practice. I left a few types unconverted to this mechanism because I got tired of doing this. :^)
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JS_DEFINE_ALLOCATOR(HTMLBRElement);
LibWeb: Move QualifiedName into the Web::DOM namespace
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HTMLBRElement::HTMLBRElement(DOM::Document& document, DOM::QualifiedName qualified_name)
LibWeb: Use move semantics for QualifiedName more often
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: HTMLElement(document, move(qualified_name))
LibHTML: Implement the <br> element for line breaking The <br> element will produce a special LayoutBreak node in the layout tree, which forces a break in the line layout whenever encountered. This patch also makes LayoutBlock use the current line-height as the minimum effective height for each line box. This ensures that having multiple <br> elements in a row doesn't create 0-height line boxes.
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{
}
Libraries: Use default constructors/destructors in LibWeb https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
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HTMLBRElement::~HTMLBRElement() = default;
LibHTML: Implement the <br> element for line breaking The <br> element will produce a special LayoutBreak node in the layout tree, which forces a break in the line layout whenever encountered. This patch also makes LayoutBlock use the current line-height as the minimum effective height for each line box. This ensures that having multiple <br> elements in a row doesn't create 0-height line boxes.
2019-10-12 14:47:49 +03:00
LibJS: Make Cell::initialize() return void Stop worrying about tiny OOMs. Work towards #20405
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void HTMLBRElement::initialize(JS::Realm& realm)
LibWeb: Move setting of Web object prototypes to initialize() 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.
2023-01-10 14:28:20 +03:00
{
LibJS: Make Cell::initialize() return void Stop worrying about tiny OOMs. Work towards #20405
2023-08-07 09:41:28 +03:00
Base::initialize(realm);
LibWeb: Avoid FlyString lookups when setting IDL interface prototypes This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that caches the interface name in a local static FlyString. This means that we only pay for FlyString-from-literal lookup once per browser lifetime instead of every time the interface is instantiated.
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLBRElement);
LibWeb: Move setting of Web object prototypes to initialize() 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.
2023-01-10 14:28:20 +03:00
}
LibWeb: Make the layout tree GC-allocated 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.
2022-10-17 15:41:50 +03:00
JS::GCPtr<Layout::Node> HTMLBRElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
LibHTML: Implement the <br> element for line breaking The <br> element will produce a special LayoutBreak node in the layout tree, which forces a break in the line layout whenever encountered. This patch also makes LayoutBlock use the current line-height as the minimum effective height for each line box. This ensures that having multiple <br> elements in a row doesn't create 0-height line boxes.
2019-10-12 14:47:49 +03:00
{
LibWeb: Make the layout tree GC-allocated 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.
2022-10-17 15:41:50 +03:00
return heap().allocate_without_realm<Layout::BreakNode>(document(), *this, move(style));
LibHTML: Implement the <br> element for line breaking The <br> element will produce a special LayoutBreak node in the layout tree, which forces a break in the line layout whenever encountered. This patch also makes LayoutBlock use the current line-height as the minimum effective height for each line box. This ensures that having multiple <br> elements in a row doesn't create 0-height line boxes.
2019-10-12 14:47:49 +03:00
}
LibWeb: Move everything into the Web namespace
2020-03-07 12:27:02 +03:00
}
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