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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
* All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_STYLE_REQUEST_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_STYLE_REQUEST_H_
#include "third_party/blink/renderer/core/scroll/scroll_types.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
namespace blink {
class ComputedStyle;
class CustomScrollbar;
class Element;
enum RuleMatchingBehavior { kMatchAllRules, kMatchAllRulesExcludingSMIL };
class StyleRequest {
STACK_ALLOCATED();
public:
enum RequestType { kForRenderer, kForComputedStyle };
enum RulesToInclude { kUAOnly, kAll };
enum SearchTextRequest { kNone, kCurrent, kNotCurrent };
StyleRequest() = default;
bool IsPseudoStyleRequest() const { return pseudo_id != kPseudoIdNone; }
const ComputedStyle* parent_override{nullptr};
const ComputedStyle* layout_parent_override{nullptr};
const ComputedStyle* originating_element_style{nullptr};
// The styled element may be different from the matched element for SVG <use>
// instantiations. In those cases we pass in the element that gets the style
// as styled_element while the element matching the rules are the one passed
// in the ElementResolveContext.
Element* styled_element{nullptr};
RuleMatchingBehavior matching_behavior{kMatchAllRules};
// pseudo_id is used only for pseudo elements that are not PseudoElement,
// since for real PseudoElement style requests, PseudoElement would be
// ElementResolveContext::element_ for matching with pseudo_id set to none
// here.
PseudoId pseudo_id{kPseudoIdNone};
RequestType type{kForRenderer};
ScrollbarPart scrollbar_part{kNoPart};
CustomScrollbar* scrollbar{nullptr};
AtomicString pseudo_argument{g_null_atom};
Vector<AtomicString> pseudo_ident_list;
RulesToInclude rules_to_include{kAll};
bool can_trigger_animations{true};
SearchTextRequest search_text_request{kNone};
explicit StyleRequest(const ComputedStyle* parent_override)
: parent_override(parent_override),
layout_parent_override(parent_override) {}
StyleRequest(PseudoId pseudo_id,
const ComputedStyle* parent_override,
const ComputedStyle* originating_element_style = nullptr,
const AtomicString& pseudo_argument = g_null_atom)
: parent_override(parent_override),
layout_parent_override(parent_override),
originating_element_style(originating_element_style),
pseudo_id(pseudo_id),
pseudo_argument(pseudo_argument) {
DCHECK(!IsTransitionPseudoElement(pseudo_id) ||
pseudo_id == kPseudoIdViewTransition || pseudo_argument);
}
StyleRequest(PseudoId pseudo_id,
CustomScrollbar* scrollbar,
ScrollbarPart scrollbar_part,
const ComputedStyle* parent_override)
: parent_override(parent_override),
layout_parent_override(parent_override),
pseudo_id(pseudo_id),
scrollbar_part(scrollbar_part),
scrollbar(scrollbar) {}
StyleRequest(PseudoId pseudo_id, RequestType request_type)
: pseudo_id(pseudo_id), type(request_type) {}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_STYLE_REQUEST_H_
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