1 /* 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@kde.org) 5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com) 6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #ifndef RenderSelectionInfo_h 26 #define RenderSelectionInfo_h 27 28 #include "IntRect.h" 29 #include "RenderBox.h" 30 31 namespace WebCore { 32 33 class RenderSelectionInfoBase { 34 WTF_MAKE_NONCOPYABLE(RenderSelectionInfoBase); WTF_MAKE_FAST_ALLOCATED; 35 public: RenderSelectionInfoBase()36 RenderSelectionInfoBase() 37 : m_object(0) 38 , m_repaintContainer(0) 39 , m_state(RenderObject::SelectionNone) 40 { 41 } 42 RenderSelectionInfoBase(RenderObject * o)43 RenderSelectionInfoBase(RenderObject* o) 44 : m_object(o) 45 , m_repaintContainer(o->containerForRepaint()) 46 , m_state(o->selectionState()) 47 { 48 } 49 object()50 RenderObject* object() const { return m_object; } repaintContainer()51 RenderBoxModelObject* repaintContainer() const { return m_repaintContainer; } state()52 RenderObject::SelectionState state() const { return m_state; } 53 54 protected: 55 RenderObject* m_object; 56 RenderBoxModelObject* m_repaintContainer; 57 RenderObject::SelectionState m_state; 58 }; 59 60 // This struct is used when the selection changes to cache the old and new state of the selection for each RenderObject. 61 class RenderSelectionInfo : public RenderSelectionInfoBase { 62 public: RenderSelectionInfo(RenderObject * o,bool clipToVisibleContent)63 RenderSelectionInfo(RenderObject* o, bool clipToVisibleContent) 64 : RenderSelectionInfoBase(o) 65 , m_rect(o->needsLayout() ? IntRect() : o->selectionRectForRepaint(m_repaintContainer, clipToVisibleContent)) 66 { 67 } 68 repaint()69 void repaint() 70 { 71 m_object->repaintUsingContainer(m_repaintContainer, m_rect); 72 } 73 rect()74 IntRect rect() const { return m_rect; } 75 76 private: 77 IntRect m_rect; // relative to repaint container 78 }; 79 80 81 // This struct is used when the selection changes to cache the old and new state of the selection for each RenderBlock. 82 class RenderBlockSelectionInfo : public RenderSelectionInfoBase { 83 public: RenderBlockSelectionInfo(RenderBlock * b)84 RenderBlockSelectionInfo(RenderBlock* b) 85 : RenderSelectionInfoBase(b) 86 , m_rects(b->needsLayout() ? GapRects() : block()->selectionGapRectsForRepaint(m_repaintContainer)) 87 { 88 } 89 repaint()90 void repaint() 91 { 92 m_object->repaintUsingContainer(m_repaintContainer, m_rects); 93 } 94 block()95 RenderBlock* block() const { return toRenderBlock(m_object); } rects()96 GapRects rects() const { return m_rects; } 97 98 private: 99 GapRects m_rects; // relative to repaint container 100 }; 101 102 } // namespace WebCore 103 104 105 #endif // RenderSelectionInfo_h 106