1 /* 2 * Copyright 2008, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef SELECT_TEXT_H 27 #define SELECT_TEXT_H 28 29 #include "DrawExtra.h" 30 #include "IntRect.h" 31 #include "PlatformString.h" 32 #include "SkPath.h" 33 34 class SkPicture; 35 struct SkIRect; 36 class SkRegion; 37 38 namespace android { 39 40 class CachedRoot; 41 42 class SelectText : public DrawExtra { 43 public: 44 SelectText(); 45 virtual void draw(SkCanvas* , LayerAndroid* ); 46 void extendSelection(const SkPicture* , int x, int y); 47 const String getSelection(); 48 bool hitSelection(int x, int y) const; 49 void moveSelection(const SkPicture* , int x, int y); 50 void reset(); 51 void selectAll(const SkPicture* ); 52 int selectionX() const; 53 int selectionY() const; 54 void setDrawPointer(bool drawPointer) { m_drawPointer = drawPointer; } 55 void setExtendSelection(bool extend) { m_extendSelection = extend; } 56 void setVisibleRect(const IntRect& rect) { m_visibleRect = rect; } 57 bool startSelection(int x, int y); 58 bool wordSelection(const SkPicture* picture); 59 public: 60 float m_inverseScale; // inverse scale, x, y used for drawing select path 61 int m_selectX; 62 int m_selectY; 63 private: 64 void drawSelectionPointer(SkCanvas* ); 65 void drawSelectionRegion(SkCanvas* ); 66 static void getSelectionArrow(SkPath* ); 67 void getSelectionCaret(SkPath* ); 68 bool hitCorner(int cx, int cy, int x, int y) const; 69 void swapAsNeeded(); 70 SkIPoint m_original; // computed start of extend selection 71 SkIRect m_selStart; 72 SkIRect m_selEnd; 73 int m_startBase; 74 int m_endBase; 75 SkIRect m_visibleRect; // constrains picture computations to visible area 76 SkRegion m_selRegion; // computed from sel start, end 77 SkPicture m_startControl; 78 SkPicture m_endControl; 79 const SkPicture* m_picture; 80 bool m_drawPointer; 81 bool m_extendSelection; // false when trackball is moving pointer 82 bool m_flipped; 83 bool m_hitTopLeft; 84 bool m_startSelection; 85 }; 86 87 } 88 89 namespace WebCore { 90 91 void ReverseBidi(UChar* chars, int len); 92 93 } 94 95 #endif 96
