| /* |
| * This file is part of the select element renderer in WebCore. |
| * |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| * Copyright (C) 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 RenderMenuList_h |
| #define RenderMenuList_h |
| |
| #include "core/rendering/RenderFlexibleBox.h" |
| #include "platform/PopupMenu.h" |
| #include "platform/PopupMenuClient.h" |
| #include "platform/geometry/LayoutRect.h" |
| |
| namespace blink { |
| |
| class HTMLSelectElement; |
| class RenderText; |
| |
| class RenderMenuList final : public RenderFlexibleBox, private PopupMenuClient { |
| |
| public: |
| RenderMenuList(Element*); |
| virtual ~RenderMenuList(); |
| virtual void destroy() override; |
| virtual void trace(Visitor*) override; |
| |
| bool popupIsVisible() const { return m_popupIsVisible; } |
| void showPopup(); |
| void hidePopup(); |
| PopupMenu* popup() const { return m_popup.get(); } |
| |
| void setOptionsChanged(bool changed) { m_optionsChanged = changed; } |
| |
| void didSetSelectedIndex(int listIndex); |
| |
| String text() const; |
| |
| virtual PopupMenuStyle itemStyle(unsigned listIndex) const override; |
| |
| private: |
| HTMLSelectElement* selectElement() const; |
| |
| virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectMenuList || RenderFlexibleBox::isOfType(type); } |
| virtual bool isChildAllowed(RenderObject*, RenderStyle*) const override; |
| |
| virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) override; |
| virtual void removeChild(RenderObject*) override; |
| virtual bool createsAnonymousWrapper() const override { return true; } |
| |
| virtual void updateFromElement() override; |
| |
| virtual LayoutRect controlClipRect(const LayoutPoint&) const override; |
| virtual bool hasControlClip() const override { return true; } |
| virtual bool canHaveGeneratedChildren() const override { return false; } |
| |
| virtual const char* renderName() const override { return "RenderMenuList"; } |
| |
| virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override; |
| |
| virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override; |
| |
| // PopupMenuClient methods |
| virtual void valueChanged(unsigned listIndex, bool fireOnChange = true) override; |
| virtual void selectionChanged(unsigned, bool) override { } |
| virtual void selectionCleared() override { } |
| virtual String itemText(unsigned listIndex) const override; |
| virtual String itemToolTip(unsigned listIndex) const override; |
| virtual String itemAccessibilityText(unsigned listIndex) const override; |
| virtual bool itemIsEnabled(unsigned listIndex) const override; |
| virtual PopupMenuStyle menuStyle() const override; |
| virtual LayoutUnit clientPaddingLeft() const override; |
| virtual LayoutUnit clientPaddingRight() const override; |
| virtual int listSize() const override; |
| virtual int selectedIndex() const override; |
| virtual void popupDidHide() override; |
| virtual bool itemIsSeparator(unsigned listIndex) const override; |
| virtual bool itemIsLabel(unsigned listIndex) const override; |
| virtual bool itemIsSelected(unsigned listIndex) const override; |
| virtual void setTextFromItem(unsigned listIndex) override; |
| virtual void listBoxSelectItem(int listIndex, bool allowMultiplySelections, bool shift, bool fireOnChangeNow = true) override; |
| virtual bool multiple() const override; |
| |
| virtual bool hasLineIfEmpty() const override { return true; } |
| |
| // Flexbox defines baselines differently than regular blocks. |
| // For backwards compatibility, menulists need to do the regular block behavior. |
| virtual int baselinePosition(FontBaseline baseline, bool firstLine, LineDirectionMode direction, LinePositionMode position) const override |
| { |
| return RenderBlock::baselinePosition(baseline, firstLine, direction, position); |
| } |
| virtual int firstLineBoxBaseline() const override { return RenderBlock::firstLineBoxBaseline(); } |
| virtual int inlineBlockBaseline(LineDirectionMode direction) const override { return RenderBlock::inlineBlockBaseline(direction); } |
| |
| void getItemBackgroundColor(unsigned listIndex, Color&, bool& itemHasCustomBackgroundColor) const; |
| |
| void createInnerBlock(); |
| void adjustInnerStyle(); |
| void setText(const String&); |
| void setTextFromOption(int optionIndex); |
| void updateOptionsWidth(); |
| |
| void didUpdateActiveOption(int optionIndex); |
| |
| RawPtrWillBeMember<RenderText> m_buttonText; |
| RawPtrWillBeMember<RenderBlock> m_innerBlock; |
| |
| bool m_optionsChanged; |
| int m_optionsWidth; |
| |
| int m_lastActiveIndex; |
| |
| RefPtr<RenderStyle> m_optionStyle; |
| |
| RefPtrWillBeMember<PopupMenu> m_popup; |
| bool m_popupIsVisible; |
| }; |
| |
| DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderMenuList, isMenuList()); |
| |
| } |
| |
| #endif |