| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 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_LAYOUT_LAYOUT_LIST_MARKER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_LIST_MARKER_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/layout/layout_box.h" |
| #include "third_party/blink/renderer/core/layout/list_marker.h" |
| |
| namespace blink { |
| |
| class LayoutListItem; |
| |
| // Used to layout a list item's marker with 'content: normal'. |
| // The LayoutListMarker always has to be a child of a LayoutListItem. |
| class CORE_EXPORT LayoutListMarker final : public LayoutBox { |
| friend class LayoutListItem; |
| |
| public: |
| explicit LayoutListMarker(Element*); |
| ~LayoutListMarker() override; |
| |
| // Marker text without suffix, e.g. "1". |
| const String& GetText() const { return text_; } |
| |
| // Marker text with suffix, e.g. "1. ", for use in accessibility. |
| String TextAlternative() const; |
| |
| ListMarker::ListStyleCategory GetListStyleCategory() const; |
| |
| bool IsInside() const; |
| |
| LayoutRect GetRelativeMarkerRect() const; |
| |
| bool IsImage() const override; |
| const StyleImage* GetImage() const { return image_.Get(); } |
| const LayoutListItem* ListItem() const; |
| LayoutSize ImageBulletSize() const; |
| |
| const char* GetName() const override { return "LayoutListMarker"; } |
| |
| LayoutUnit ListItemInlineStartOffset() const { |
| return list_item_inline_start_offset_; |
| } |
| |
| protected: |
| void WillBeDestroyed() override; |
| |
| private: |
| MinMaxSizes ComputeIntrinsicLogicalWidths() const override; |
| MinMaxSizes PreferredLogicalWidths() const override; |
| |
| bool IsOfType(LayoutObjectType type) const override { |
| return type == kLayoutObjectListMarker || LayoutBox::IsOfType(type); |
| } |
| |
| void Paint(const PaintInfo&) const override; |
| |
| void UpdateLayout() override; |
| |
| void ImageChanged(WrappedImagePtr, CanDeferInvalidation) override; |
| |
| InlineBox* CreateInlineBox() override; |
| |
| LayoutUnit LineHeight( |
| bool first_line, |
| LineDirectionMode, |
| LinePositionMode = kPositionOnContainingLine) const override; |
| LayoutUnit BaselinePosition( |
| FontBaseline, |
| bool first_line, |
| LineDirectionMode, |
| LinePositionMode = kPositionOnContainingLine) const override; |
| |
| bool IsText() const { return !IsImage(); } |
| |
| LayoutUnit GetWidthOfText(ListMarker::ListStyleCategory) const; |
| void UpdateMargins(LayoutUnit marker_inline_size); |
| void UpdateMargins(); |
| void UpdateContent(); |
| |
| void UpdateMarkerImageIfNeeded(StyleImage* image); |
| void ListStyleTypeChanged(); |
| |
| String text_; |
| Persistent<StyleImage> image_; |
| LayoutUnit list_item_inline_start_offset_; |
| }; |
| |
| DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutListMarker, |
| IsListMarkerForNormalContent()); |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_LIST_MARKER_H_ |