| /* |
| * Copyright (C) 2005 Apple Computer |
| * |
| * 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 LayoutButton_h |
| #define LayoutButton_h |
| |
| #include "core/editing/EditingUtilities.h" |
| #include "core/html/HTMLInputElement.h" |
| #include "core/layout/LayoutFlexibleBox.h" |
| |
| namespace blink { |
| |
| // LayoutButtons are just like normal flexboxes except that they will generate an anonymous block child. |
| // For inputs, they will also generate an anonymous LayoutText and keep its style and content up |
| // to date as the button changes. |
| class LayoutButton final : public LayoutFlexibleBox { |
| public: |
| explicit LayoutButton(Element*); |
| ~LayoutButton() override; |
| |
| const char* name() const override { return "LayoutButton"; } |
| bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutButton || LayoutFlexibleBox::isOfType(type); } |
| |
| bool canBeSelectionLeaf() const override { return node() && hasEditableStyle(*node()); } |
| |
| void addChild(LayoutObject* newChild, LayoutObject *beforeChild = nullptr) override; |
| void removeChild(LayoutObject*) override; |
| void removeLeftoverAnonymousBlock(LayoutBlock*) override { } |
| bool createsAnonymousWrapper() const override { return true; } |
| |
| bool hasControlClip() const override; |
| LayoutRect controlClipRect(const LayoutPoint&) const override; |
| |
| int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode) const override; |
| |
| private: |
| void updateAnonymousChildStyle(const LayoutObject& child, ComputedStyle& childStyle) const override; |
| |
| bool hasLineIfEmpty() const override { return isHTMLInputElement(node()); } |
| |
| LayoutBlock* m_inner; |
| }; |
| |
| DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutButton, isLayoutButton()); |
| |
| } // namespace blink |
| |
| #endif // LayoutButton_h |