| /* |
| * 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 "LayoutRect.h" |
| #include "PopupMenu.h" |
| #include "PopupMenuClient.h" |
| #include "RenderFlexibleBox.h" |
| |
| #if PLATFORM(MAC) |
| #define POPUP_MENU_PULLS_DOWN 0 |
| #else |
| #define POPUP_MENU_PULLS_DOWN 1 |
| #endif |
| |
| namespace WebCore { |
| |
| class HTMLSelectElement; |
| class RenderText; |
| |
| class RenderMenuList : public RenderFlexibleBox, private PopupMenuClient { |
| |
| public: |
| RenderMenuList(Element*); |
| virtual ~RenderMenuList(); |
| |
| public: |
| bool popupIsVisible() const { return m_popupIsVisible; } |
| void showPopup(); |
| void hidePopup(); |
| |
| void setOptionsChanged(bool changed) { m_optionsChanged = changed; } |
| |
| void didSetSelectedIndex(int listIndex); |
| |
| String text() const; |
| |
| private: |
| HTMLSelectElement* selectElement() const; |
| |
| virtual bool isMenuList() const { return true; } |
| |
| virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0); |
| virtual void removeChild(RenderObject*); |
| virtual bool createsAnonymousWrapper() const { return true; } |
| |
| virtual void updateFromElement(); |
| |
| virtual LayoutRect controlClipRect(const LayoutPoint&) const; |
| virtual bool hasControlClip() const { return true; } |
| virtual bool canHaveGeneratedChildren() const OVERRIDE { return false; } |
| virtual bool canBeReplacedWithInlineRunIn() const OVERRIDE; |
| |
| virtual const char* renderName() const { return "RenderMenuList"; } |
| |
| virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE; |
| virtual void computePreferredLogicalWidths() OVERRIDE; |
| |
| virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); |
| |
| virtual bool requiresForcedStyleRecalcPropagation() const { return true; } |
| |
| // 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 itemLabel(unsigned listIndex) const OVERRIDE; |
| virtual String itemIcon(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 itemStyle(unsigned listIndex) const OVERRIDE; |
| virtual PopupMenuStyle menuStyle() const OVERRIDE; |
| virtual int clientInsetLeft() const OVERRIDE; |
| virtual int clientInsetRight() 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 bool shouldPopOver() const OVERRIDE { return !POPUP_MENU_PULLS_DOWN; } |
| virtual bool valueShouldChangeOnHotTrack() const OVERRIDE { return true; } |
| 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 FontSelector* fontSelector() const OVERRIDE; |
| virtual HostWindow* hostWindow() const OVERRIDE; |
| virtual PassRefPtr<Scrollbar> createScrollbar(ScrollableArea*, ScrollbarOrientation, ScrollbarControlSize) OVERRIDE; |
| |
| virtual bool hasLineIfEmpty() const { 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); |
| |
| RenderText* m_buttonText; |
| RenderBlock* m_innerBlock; |
| |
| bool m_optionsChanged; |
| int m_optionsWidth; |
| |
| int m_lastActiveIndex; |
| |
| RefPtr<RenderStyle> m_optionStyle; |
| |
| RefPtr<PopupMenu> m_popup; |
| bool m_popupIsVisible; |
| }; |
| |
| inline RenderMenuList* toRenderMenuList(RenderObject* object) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isMenuList()); |
| return static_cast<RenderMenuList*>(object); |
| } |
| |
| // This will catch anyone doing an unnecessary cast. |
| void toRenderMenuList(const RenderMenuList*); |
| |
| } |
| |
| #endif |