1/* 2 * Copyright (C) 2010 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 AccessibilityTextMarker_h 27#define AccessibilityTextMarker_h 28 29#include <JavaScriptCore/JSObjectRef.h> 30 31#if PLATFORM(MAC) 32#define SUPPORTS_AX_TEXTMARKERS 1 33#else 34#define SUPPORTS_AX_TEXTMARKERS 0 35#endif 36 37#if PLATFORM(MAC) 38#include <wtf/RetainPtr.h> 39typedef CFTypeRef PlatformTextMarker; 40typedef CFTypeRef PlatformTextMarkerRange; 41#else 42typedef void* PlatformTextMarker; 43typedef void* PlatformTextMarkerRange; 44#endif 45 46class AccessibilityUIElement; 47 48class AccessibilityTextMarker { 49public: 50 AccessibilityTextMarker(PlatformTextMarker); 51 AccessibilityTextMarker(const AccessibilityTextMarker&); 52 ~AccessibilityTextMarker(); 53 54 PlatformTextMarker platformTextMarker() const; 55 56 static JSObjectRef makeJSAccessibilityTextMarker(JSContextRef, const AccessibilityTextMarker&); 57 bool isEqual(AccessibilityTextMarker*); 58 59private: 60 static JSClassRef getJSClass(); 61#if PLATFORM(MAC) 62 RetainPtr<PlatformTextMarker> m_textMarker; 63#else 64 PlatformTextMarker m_textMarker; 65#endif 66}; 67 68class AccessibilityTextMarkerRange { 69public: 70 AccessibilityTextMarkerRange(PlatformTextMarkerRange); 71 AccessibilityTextMarkerRange(const AccessibilityTextMarkerRange&); 72 ~AccessibilityTextMarkerRange(); 73 74 PlatformTextMarkerRange platformTextMarkerRange() const; 75 76 static JSObjectRef makeJSAccessibilityTextMarkerRange(JSContextRef, const AccessibilityTextMarkerRange&); 77 bool isEqual(AccessibilityTextMarkerRange*); 78 79private: 80 static JSClassRef getJSClass(); 81#if PLATFORM(MAC) 82 RetainPtr<PlatformTextMarkerRange> m_textMarkerRange; 83#else 84 PlatformTextMarkerRange m_textMarkerRange; 85#endif 86}; 87 88AccessibilityTextMarker* toTextMarker(JSObjectRef object); 89AccessibilityTextMarkerRange* toTextMarkerRange(JSObjectRef object); 90 91#if !SUPPORTS_AX_TEXTMARKERS 92inline AccessibilityTextMarker::AccessibilityTextMarker(PlatformTextMarker) { } 93inline AccessibilityTextMarker::AccessibilityTextMarker(const AccessibilityTextMarker&) { } 94inline AccessibilityTextMarker::~AccessibilityTextMarker() { } 95inline bool AccessibilityTextMarker::isEqual(AccessibilityTextMarker*) { return false; } 96inline PlatformTextMarker AccessibilityTextMarker::platformTextMarker() const { return m_textMarker; } 97 98inline AccessibilityTextMarkerRange::AccessibilityTextMarkerRange(PlatformTextMarkerRange) { } 99inline AccessibilityTextMarkerRange::AccessibilityTextMarkerRange(const AccessibilityTextMarkerRange&) { } 100inline AccessibilityTextMarkerRange::~AccessibilityTextMarkerRange() { } 101inline bool AccessibilityTextMarkerRange::isEqual(AccessibilityTextMarkerRange*) { return false; } 102inline PlatformTextMarkerRange AccessibilityTextMarkerRange::platformTextMarkerRange() const { return m_textMarkerRange; } 103#endif 104 105#endif // AccessibilityUIElement_h 106