1/* 2 * Copyright (C) 2013 Apple Inc. All Rights Reserved. 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 APPLE INC. ``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 APPLE INC. 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 AccessibleTextImpl_h 27#define AccessibleTextImpl_h 28 29#include "AccessibleBase.h" 30#include <WebCore/VisiblePosition.h> 31 32class AccessibleText : public AccessibleBase, public IAccessibleText2, public IAccessibleEditableText { 33public: 34 AccessibleText(WebCore::AccessibilityObject*, HWND); 35 virtual ~AccessibleText() { } 36 37 // IAccessibleText 38 virtual HRESULT STDMETHODCALLTYPE addSelection(long startOffset, long endOffset); 39 virtual HRESULT STDMETHODCALLTYPE get_attributes(long offset, long* startOffset, long* endOffset, BSTR* textAttributes); 40 virtual HRESULT STDMETHODCALLTYPE get_caretOffset(long* offset); 41 virtual HRESULT STDMETHODCALLTYPE get_characterExtents(long offset, enum IA2CoordinateType coordType, long* x, long* y, long* width, long* height); 42 virtual HRESULT STDMETHODCALLTYPE get_nSelections(long* nSelections); 43 virtual HRESULT STDMETHODCALLTYPE get_offsetAtPoint(long x, long y, enum IA2CoordinateType coordType, long* offset); 44 virtual HRESULT STDMETHODCALLTYPE get_selection(long selectionIndex, long* startOffset, long* endOffset); 45 virtual HRESULT STDMETHODCALLTYPE get_text(long startOffset, long endOffset, BSTR* text); 46 virtual HRESULT STDMETHODCALLTYPE get_textBeforeOffset(long offset, enum IA2TextBoundaryType boundaryType, long* startOffset, long* endOffset, BSTR* text); 47 virtual HRESULT STDMETHODCALLTYPE get_textAfterOffset(long offset, enum IA2TextBoundaryType boundaryType, long* startOffset, long* endOffset, BSTR* text); 48 virtual HRESULT STDMETHODCALLTYPE get_textAtOffset(long offset, enum IA2TextBoundaryType boundaryType, long* startOffset, long* endOffset, BSTR* text); 49 virtual HRESULT STDMETHODCALLTYPE removeSelection(long selectionIndex); 50 virtual HRESULT STDMETHODCALLTYPE setCaretOffset(long offset); 51 virtual HRESULT STDMETHODCALLTYPE setSelection(long selectionIndex, long startOffset, long endOffset); 52 virtual HRESULT STDMETHODCALLTYPE get_nCharacters(long* characters); 53 virtual HRESULT STDMETHODCALLTYPE scrollSubstringTo(long startIndex, long endIndex, enum IA2ScrollType scrollType); 54 virtual HRESULT STDMETHODCALLTYPE scrollSubstringToPoint(long startIndex, long endIndex, enum IA2CoordinateType coordinateType, long x, long y); 55 virtual HRESULT STDMETHODCALLTYPE get_newText(IA2TextSegment* newText); 56 virtual HRESULT STDMETHODCALLTYPE get_oldText(IA2TextSegment* oldText); 57 58 // IAccessibleText2 59 virtual HRESULT STDMETHODCALLTYPE get_attributeRange(long offset, BSTR filter, long* startOffset, long* endOffset, BSTR* attributeValues); 60 61 // IAccessibleEditableText 62 virtual HRESULT STDMETHODCALLTYPE copyText(long startOffset, long endOffset); 63 virtual HRESULT STDMETHODCALLTYPE deleteText(long startOffset, long endOffset); 64 virtual HRESULT STDMETHODCALLTYPE insertText(long offset, BSTR* text); 65 virtual HRESULT STDMETHODCALLTYPE cutText(long startOffset, long endOffset); 66 virtual HRESULT STDMETHODCALLTYPE pasteText(long offset); 67 virtual HRESULT STDMETHODCALLTYPE replaceText(long startOffset, long endOffset, BSTR* text); 68 virtual HRESULT STDMETHODCALLTYPE setAttributes(long startOffset, long endOffset, BSTR* attributes); 69 70 // IUnknown 71 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject); 72 virtual ULONG STDMETHODCALLTYPE AddRef(void) { return ++m_refCount; } 73 virtual ULONG STDMETHODCALLTYPE Release(void); 74 75 // IAccessibleBase 76 virtual HRESULT STDMETHODCALLTYPE get_attributes(BSTR* attributes); 77 78private: 79 int convertSpecialOffset(int specialOffset); 80 HRESULT initialCheck(); 81 bool isInRange(WebCore::VisiblePosition& current, WebCore::VisiblePositionRange& wordRange); 82}; 83 84#endif // AccessibleText_h 85