| /* |
| * 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 RenderButton_h |
| #define RenderButton_h |
| |
| #include "core/html/HTMLInputElement.h" |
| #include "core/rendering/RenderFlexibleBox.h" |
| |
| namespace blink { |
| |
| // RenderButtons are just like normal flexboxes except that they will generate an anonymous block child. |
| // For inputs, they will also generate an anonymous RenderText and keep its style and content up |
| // to date as the button changes. |
| class RenderButton FINAL : public RenderFlexibleBox { |
| public: |
| explicit RenderButton(Element*); |
| virtual ~RenderButton(); |
| |
| virtual const char* renderName() const OVERRIDE { return "RenderButton"; } |
| virtual bool isRenderButton() const OVERRIDE { return true; } |
| |
| virtual bool canBeSelectionLeaf() const OVERRIDE { return node() && node()->hasEditableStyle(); } |
| virtual bool canCollapseAnonymousBlockChild() const OVERRIDE { return true; } |
| |
| virtual void addChild(RenderObject* newChild, RenderObject *beforeChild = 0) OVERRIDE; |
| virtual void removeChild(RenderObject*) OVERRIDE; |
| virtual void removeLeftoverAnonymousBlock(RenderBlock*) OVERRIDE { } |
| virtual bool createsAnonymousWrapper() const OVERRIDE { return true; } |
| |
| void setupInnerStyle(RenderStyle*); |
| |
| // <button> should allow whitespace even though RenderFlexibleBox doesn't. |
| virtual bool canHaveWhitespaceChildren() const OVERRIDE { return true; } |
| |
| virtual bool canHaveGeneratedChildren() const OVERRIDE; |
| virtual bool hasControlClip() const OVERRIDE { return true; } |
| virtual LayoutRect controlClipRect(const LayoutPoint&) const OVERRIDE; |
| |
| virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode) const OVERRIDE; |
| |
| private: |
| virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) OVERRIDE; |
| virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE; |
| |
| virtual bool hasLineIfEmpty() const OVERRIDE { return isHTMLInputElement(node()); } |
| |
| RenderBlock* m_inner; |
| }; |
| |
| DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderButton, isRenderButton()); |
| |
| } // namespace blink |
| |
| #endif // RenderButton_h |