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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_DISPLAY_STYLE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_DISPLAY_STYLE_H_
#include "third_party/blink/renderer/core/style/content_data.h"
namespace blink {
class ContentData;
// DisplayStyle contains the subset of ComputedStyle which is needed to
// determine whether an Element needs a LayoutObject or not. It is useful
// to keep this separate from ComputedStyle, because we sometimes need to
// make that determination before the ComputedStyle is created.
class DisplayStyle {
STACK_ALLOCATED();
public:
DisplayStyle(EDisplay display,
PseudoId style_type,
const ContentData* content_data)
: display_(display),
style_type_(style_type),
content_data_(content_data) {}
EDisplay Display() const { return display_; }
PseudoId StyleType() const { return style_type_; }
const ContentData* GetContentData() const { return content_data_; }
bool ContentBehavesAsNormal() const {
switch (style_type_) {
case kPseudoIdMarker:
return !content_data_;
default:
return !content_data_ || content_data_->IsNone();
}
}
bool ContentPreventsBoxGeneration() const {
switch (style_type_) {
case kPseudoIdCheckMark:
case kPseudoIdBefore:
case kPseudoIdAfter:
case kPseudoIdPickerIcon:
case kPseudoIdScrollButtonBlockStart:
case kPseudoIdScrollButtonInlineStart:
case kPseudoIdScrollButtonInlineEnd:
case kPseudoIdScrollButtonBlockEnd:
return ContentBehavesAsNormal();
case kPseudoIdMarker:
return content_data_ && content_data_->IsNone();
default:
return false;
}
}
private:
EDisplay display_;
PseudoId style_type_;
const ContentData* content_data_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_DISPLAY_STYLE_H_
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