RenderListBox.h revision ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddb
18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This file is part of the select element renderer in WebCore. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 40bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef RenderListBox_h 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define RenderListBox_h 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "RenderBlock.h" 35ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch#include "ScrollableArea.h" 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 39ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdochclass RenderListBox : public RenderBlock, private ScrollableArea { 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectpublic: 415f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian RenderListBox(Element*); 420bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch virtual ~RenderListBox(); 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 440bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch void selectionChanged(); 450bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 460bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch void setOptionsChanged(bool changed) { m_optionsChanged = changed; } 470bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 480bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch int listIndexAtOffset(int x, int y); 490bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch IntRect itemBoundingBoxRect(int tx, int ty, int index); 500bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 510bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch bool scrollToRevealElementAtListIndex(int index); 520bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch bool listIndexIsVisible(int index); 530bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 540bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch int scrollToward(const IntPoint&); // Returns the new index or -1 if no scroll occurred 550bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 560bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdochprivate: 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual const char* renderName() const { return "RenderListBox"; } 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool isListBox() const { return true; } 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void updateFromElement(); 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool canHaveChildren() const { return false; } 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool hasControlClip() const { return true; } 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void paintObject(PaintInfo&, int tx, int ty); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual IntRect controlClipRect(int tx, int ty) const; 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool isPointInOverflowControl(HitTestResult&, int x, int y, int tx, int ty); 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 715ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1, Node** stopNode = 0); 72f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch virtual bool logicalScroll(ScrollLogicalDirection, ScrollGranularity, float multiplier = 1, Node** stopNode = 0); 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 74bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen virtual void computePreferredLogicalWidths(); 756b70adc33054f8aee8c54d0f460458a9df11b8a5Russell Brenner virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const; 76bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen virtual void computeLogicalHeight(); 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void layout(); 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool canBeProgramaticallyScrolled(bool) const { return true; } 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void autoscroll(); 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void stopAutoscroll(); 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool shouldPanScroll() const { return true; } 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void panScroll(const IntPoint&); 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int verticalScrollbarWidth() const; 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int scrollLeft() const; 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int scrollTop() const; 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int scrollWidth() const; 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual int scrollHeight() const; 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void setScrollLeft(int); 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void setScrollTop(int); 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 958f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); 968f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian 97ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch // ScrollableArea interface. 985abb8606fa57c3ebfc8b3c3dbc3fa4a25d2ae306Iain Merrick virtual int scrollSize(ScrollbarOrientation orientation) const; 99ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch virtual int scrollPosition(Scrollbar*) const; 100ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch virtual void setScrollOffset(const IntPoint&); 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&); 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool isActive() const; 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual bool scrollbarCornerPresent() const { return false; } // We don't support resize on list boxes yet. If we did this would have to change. 1040bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const; 1050bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const; 1060bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const; 1070bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const; 108ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch virtual Scrollbar* verticalScrollbar() const { return m_vBar.get(); } 109ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch 110ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch // NOTE: This should only be called by the overriden setScrollOffset from ScrollableArea. 111ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch void scrollTo(int newOffset); 1128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void setHasVerticalScrollbar(bool hasScrollbar); 1148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project PassRefPtr<Scrollbar> createScrollbar(); 1158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void destroyScrollbar(); 1168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int itemHeight() const; 1188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void valueChanged(unsigned listIndex); 1198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int size() const; 1208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int numVisibleItems() const; 1218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int numItems() const; 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int listHeight() const; 1238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void paintScrollbar(PaintInfo&, int tx, int ty); 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void paintItemForeground(PaintInfo&, int tx, int ty, int listIndex); 1258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void paintItemBackground(PaintInfo&, int tx, int ty, int listIndex); 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void scrollToRevealSelection(); 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool m_optionsChanged; 1298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool m_scrollToRevealSelectionAfterLayout; 1308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool m_inAutoscroll; 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_optionsWidth; 1328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_indexOffset; 1338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RefPtr<Scrollbar> m_vBar; 1358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}; 1368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1370bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdochinline RenderListBox* toRenderListBox(RenderObject* object) 1380bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch{ 1390bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch ASSERT(!object || object->isListBox()); 1400bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch return static_cast<RenderListBox*>(object); 1410bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch} 1420bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 1430bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch// This will catch anyone doing an unnecessary cast. 1440bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdochvoid toRenderListBox(const RenderListBox*); 1450bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 1468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namepace WebCore 1478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // RenderListBox_h 149