1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebAccessibilityCache_h 32 #define WebAccessibilityCache_h 33 34 #include "WebCommon.h" 35 36 namespace WebKit { 37 38 class WebView; 39 class WebAccessibilityObject; 40 41 class WebAccessibilityCache { 42 public: 43 WebAccessibilityCache() {} 44 virtual ~WebAccessibilityCache() {} 45 46 WEBKIT_API static WebAccessibilityCache* create(); 47 WEBKIT_API static void enableAccessibility(); 48 WEBKIT_API static bool accessibilityEnabled(); 49 50 virtual void initialize(WebView* view) = 0; 51 virtual bool isInitialized() const = 0; 52 53 virtual WebAccessibilityObject getObjectById(int) = 0; 54 virtual int addOrGetId(const WebAccessibilityObject& object) = 0; 55 virtual bool isCached(const WebAccessibilityObject&) = 0; 56 57 virtual void remove(int) = 0; 58 virtual void clear() = 0; 59 }; 60 61 } // namespace WebKit 62 63 #endif 64
