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LibWeb: Split BackgroundStyleValue out of StyleValue.{h,cpp}
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8 changed files with 156 additions and 119 deletions
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "BackgroundStyleValue.h"
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namespace Web::CSS {
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BackgroundStyleValue::BackgroundStyleValue(
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ValueComparingNonnullRefPtr<StyleValue const> color,
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ValueComparingNonnullRefPtr<StyleValue const> image,
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ValueComparingNonnullRefPtr<StyleValue const> position,
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ValueComparingNonnullRefPtr<StyleValue const> size,
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ValueComparingNonnullRefPtr<StyleValue const> repeat,
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ValueComparingNonnullRefPtr<StyleValue const> attachment,
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ValueComparingNonnullRefPtr<StyleValue const> origin,
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ValueComparingNonnullRefPtr<StyleValue const> clip)
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: StyleValueWithDefaultOperators(Type::Background)
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, m_properties {
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.color = move(color),
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.image = move(image),
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.position = move(position),
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.size = move(size),
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.repeat = move(repeat),
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.attachment = move(attachment),
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.origin = move(origin),
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.clip = move(clip),
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.layer_count = 0
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}
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{
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auto layer_count = [](auto style_value) -> size_t {
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if (style_value->is_value_list())
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return style_value->as_value_list().size();
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else
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return 1;
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};
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m_properties.layer_count = max(layer_count(m_properties.image), layer_count(m_properties.position));
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m_properties.layer_count = max(m_properties.layer_count, layer_count(m_properties.size));
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m_properties.layer_count = max(m_properties.layer_count, layer_count(m_properties.repeat));
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m_properties.layer_count = max(m_properties.layer_count, layer_count(m_properties.attachment));
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m_properties.layer_count = max(m_properties.layer_count, layer_count(m_properties.origin));
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m_properties.layer_count = max(m_properties.layer_count, layer_count(m_properties.clip));
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VERIFY(!m_properties.color->is_value_list());
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}
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BackgroundStyleValue::~BackgroundStyleValue() = default;
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ErrorOr<String> BackgroundStyleValue::to_string() const
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{
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if (m_properties.layer_count == 1) {
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return String::formatted("{} {} {} {} {} {} {} {}", TRY(m_properties.color->to_string()), TRY(m_properties.image->to_string()), TRY(m_properties.position->to_string()), TRY(m_properties.size->to_string()), TRY(m_properties.repeat->to_string()), TRY(m_properties.attachment->to_string()), TRY(m_properties.origin->to_string()), TRY(m_properties.clip->to_string()));
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}
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auto get_layer_value_string = [](ValueComparingNonnullRefPtr<StyleValue const> const& style_value, size_t index) {
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if (style_value->is_value_list())
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return style_value->as_value_list().value_at(index, true)->to_string();
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return style_value->to_string();
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};
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StringBuilder builder;
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for (size_t i = 0; i < m_properties.layer_count; i++) {
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if (i)
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TRY(builder.try_append(", "sv));
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if (i == m_properties.layer_count - 1)
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TRY(builder.try_appendff("{} ", TRY(m_properties.color->to_string())));
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TRY(builder.try_appendff("{} {} {} {} {} {} {}", TRY(get_layer_value_string(m_properties.image, i)), TRY(get_layer_value_string(m_properties.position, i)), TRY(get_layer_value_string(m_properties.size, i)), TRY(get_layer_value_string(m_properties.repeat, i)), TRY(get_layer_value_string(m_properties.attachment, i)), TRY(get_layer_value_string(m_properties.origin, i)), TRY(get_layer_value_string(m_properties.clip, i))));
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}
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return builder.to_string();
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}
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}
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