1 /* 2 * Copyright (C) 2010 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 AccessibilityController_h 32 #define AccessibilityController_h 33 34 #include "CppBoundClass.h" 35 #include "WebAXObjectProxy.h" 36 37 namespace blink { 38 class WebAXObject; 39 class WebFrame; 40 class WebView; 41 } 42 43 namespace WebTestRunner { 44 45 class WebTestDelegate; 46 47 class AccessibilityController : public CppBoundClass { 48 public: 49 AccessibilityController(); 50 51 // Shadow to include accessibility initialization. 52 void bindToJavascript(blink::WebFrame*, const blink::WebString& classname); 53 void reset(); 54 55 void setFocusedElement(const blink::WebAXObject&); 56 WebAXObjectProxy* getFocusedElement(); 57 WebAXObjectProxy* getRootElement(); 58 WebAXObjectProxy* getAccessibleElementById(const std::string& id); 59 60 bool shouldLogAccessibilityEvents(); 61 62 void notificationReceived(const blink::WebAXObject& target, const char* notificationName); 63 64 void setDelegate(WebTestDelegate* delegate) { m_delegate = delegate; } 65 void setWebView(blink::WebView* webView) { m_webView = webView; } 66 67 private: 68 // If true, will log all accessibility notifications. 69 bool m_logAccessibilityEvents; 70 71 // Bound methods and properties 72 void logAccessibilityEventsCallback(const CppArgumentList&, CppVariant*); 73 void fallbackCallback(const CppArgumentList&, CppVariant*); 74 void addNotificationListenerCallback(const CppArgumentList&, CppVariant*); 75 void removeNotificationListenerCallback(const CppArgumentList&, CppVariant*); 76 77 void focusedElementGetterCallback(CppVariant*); 78 void rootElementGetterCallback(CppVariant*); 79 void accessibleElementByIdGetterCallback(const CppArgumentList&, CppVariant*); 80 81 WebAXObjectProxy* findAccessibleElementByIdRecursive(const blink::WebAXObject&, const blink::WebString& id); 82 83 blink::WebAXObject m_focusedElement; 84 blink::WebAXObject m_rootElement; 85 86 WebAXObjectProxyList m_elements; 87 88 std::vector<CppVariant> m_notificationCallbacks; 89 90 WebTestDelegate* m_delegate; 91 blink::WebView* m_webView; 92 }; 93 94 } 95 96 #endif // AccessibilityController_h 97