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https://github.com/RGBCube/serenity
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Libraries: Move to Userland/Libraries/
This commit is contained in:
Andreas Kling
parent
dc28c07fa5
commit
13d7c09125
1857 changed files with 266 additions and 274 deletions
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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#include <AK/URL.h>
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#include <AK/WeakPtr.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Color.h>
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#include <LibWeb/CSS/Length.h>
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#include <LibWeb/CSS/PropertyID.h>
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#include <LibWeb/CSS/ValueID.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Loader/ImageResource.h>
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namespace Web::CSS {
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enum class Position {
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Static,
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Relative,
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Absolute,
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Fixed,
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Sticky,
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};
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enum class TextAlign {
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Left,
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Center,
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Right,
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Justify,
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LibwebCenter,
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};
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enum class TextDecorationLine {
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None,
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Underline,
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Overline,
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LineThrough,
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Blink,
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};
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enum class TextTransform {
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None,
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Capitalize,
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Uppercase,
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Lowercase,
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FullWidth,
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FullSizeKana,
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};
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enum class Display {
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None,
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Block,
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Inline,
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InlineBlock,
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ListItem,
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Table,
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TableRow,
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TableCell,
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TableHeaderGroup,
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TableRowGroup,
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TableFooterGroup,
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TableColumn,
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TableColumnGroup,
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TableCaption,
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};
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enum class WhiteSpace {
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Normal,
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Pre,
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Nowrap,
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PreLine,
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PreWrap,
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};
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enum class Float {
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None,
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Left,
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Right,
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};
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enum class Clear {
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None,
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Left,
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Right,
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Both,
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};
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enum class LineStyle {
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None,
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Hidden,
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Dotted,
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Dashed,
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Solid,
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Double,
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Groove,
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Ridge,
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Inset,
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Outset,
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};
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enum class ListStyleType {
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None,
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Disc,
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Circle,
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Square,
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Decimal,
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};
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class StyleValue : public RefCounted<StyleValue> {
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public:
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virtual ~StyleValue();
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enum class Type {
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Invalid,
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Inherit,
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Initial,
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String,
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Length,
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Color,
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Identifier,
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Image,
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Position,
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};
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Type type() const { return m_type; }
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bool is_inherit() const { return type() == Type::Inherit; }
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bool is_initial() const { return type() == Type::Initial; }
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bool is_color() const { return type() == Type::Color; }
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bool is_identifier() const { return type() == Type::Identifier; }
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bool is_image() const { return type() == Type::Image; }
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bool is_string() const { return type() == Type::String; }
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bool is_length() const { return type() == Type::Length; }
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bool is_position() const { return type() == Type::Position; }
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virtual String to_string() const = 0;
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virtual Length to_length() const { return Length::make_auto(); }
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virtual Color to_color(const DOM::Document&) const { return {}; }
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CSS::ValueID to_identifier() const;
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virtual bool is_auto() const { return false; }
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bool operator==(const StyleValue& other) const { return equals(other); }
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bool operator!=(const StyleValue& other) const { return !(*this == other); }
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virtual bool equals(const StyleValue& other) const
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{
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if (type() != other.type())
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return false;
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return to_string() == other.to_string();
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}
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protected:
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explicit StyleValue(Type);
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private:
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Type m_type { Type::Invalid };
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};
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class StringStyleValue : public StyleValue {
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public:
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static NonnullRefPtr<StringStyleValue> create(const String& string)
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{
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return adopt(*new StringStyleValue(string));
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}
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virtual ~StringStyleValue() override { }
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String to_string() const override { return m_string; }
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private:
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explicit StringStyleValue(const String& string)
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: StyleValue(Type::String)
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, m_string(string)
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{
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}
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String m_string;
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};
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class LengthStyleValue : public StyleValue {
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public:
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static NonnullRefPtr<LengthStyleValue> create(const Length& length)
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{
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return adopt(*new LengthStyleValue(length));
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}
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virtual ~LengthStyleValue() override { }
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virtual String to_string() const override { return m_length.to_string(); }
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virtual Length to_length() const override { return m_length; }
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const Length& length() const { return m_length; }
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virtual bool is_auto() const override { return m_length.is_auto(); }
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virtual bool equals(const StyleValue& other) const override
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{
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if (type() != other.type())
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return false;
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return m_length == static_cast<const LengthStyleValue&>(other).m_length;
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}
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private:
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explicit LengthStyleValue(const Length& length)
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: StyleValue(Type::Length)
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, m_length(length)
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{
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}
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Length m_length;
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};
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class InitialStyleValue final : public StyleValue {
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public:
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static NonnullRefPtr<InitialStyleValue> create() { return adopt(*new InitialStyleValue); }
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virtual ~InitialStyleValue() override { }
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String to_string() const override { return "initial"; }
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private:
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InitialStyleValue()
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: StyleValue(Type::Initial)
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{
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}
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};
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class InheritStyleValue final : public StyleValue {
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public:
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static NonnullRefPtr<InheritStyleValue> create() { return adopt(*new InheritStyleValue); }
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virtual ~InheritStyleValue() override { }
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String to_string() const override { return "inherit"; }
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private:
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InheritStyleValue()
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: StyleValue(Type::Inherit)
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{
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}
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};
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class ColorStyleValue : public StyleValue {
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public:
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static NonnullRefPtr<ColorStyleValue> create(Color color)
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{
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return adopt(*new ColorStyleValue(color));
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}
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virtual ~ColorStyleValue() override { }
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Color color() const { return m_color; }
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String to_string() const override { return m_color.to_string(); }
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Color to_color(const DOM::Document&) const override { return m_color; }
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virtual bool equals(const StyleValue& other) const override
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{
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if (type() != other.type())
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return false;
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return m_color == static_cast<const ColorStyleValue&>(other).m_color;
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}
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private:
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explicit ColorStyleValue(Color color)
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: StyleValue(Type::Color)
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, m_color(color)
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{
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}
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Color m_color;
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};
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class IdentifierStyleValue final : public StyleValue {
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public:
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static NonnullRefPtr<IdentifierStyleValue> create(CSS::ValueID id)
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{
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return adopt(*new IdentifierStyleValue(id));
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}
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virtual ~IdentifierStyleValue() override { }
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CSS::ValueID id() const { return m_id; }
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virtual String to_string() const override;
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virtual Color to_color(const DOM::Document&) const override;
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virtual bool equals(const StyleValue& other) const override
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{
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if (type() != other.type())
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return false;
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return m_id == static_cast<const IdentifierStyleValue&>(other).m_id;
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}
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private:
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explicit IdentifierStyleValue(CSS::ValueID id)
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: StyleValue(Type::Identifier)
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, m_id(id)
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{
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}
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CSS::ValueID m_id { CSS::ValueID::Invalid };
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};
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class ImageStyleValue final
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: public StyleValue
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, public ImageResourceClient {
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public:
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static NonnullRefPtr<ImageStyleValue> create(const URL& url, DOM::Document& document) { return adopt(*new ImageStyleValue(url, document)); }
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virtual ~ImageStyleValue() override { }
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String to_string() const override { return String::formatted("Image({})", m_url.to_string()); }
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const Gfx::Bitmap* bitmap() const { return m_bitmap; }
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private:
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ImageStyleValue(const URL&, DOM::Document&);
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// ^ResourceClient
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virtual void resource_did_load() override;
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URL m_url;
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WeakPtr<DOM::Document> m_document;
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RefPtr<Gfx::Bitmap> m_bitmap;
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};
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inline CSS::ValueID StyleValue::to_identifier() const
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{
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if (is_identifier())
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return static_cast<const IdentifierStyleValue&>(*this).id();
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return CSS::ValueID::Invalid;
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}
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}
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