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      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 "AccessibilityUIElement.h"
     35 #include "CppBoundClass.h"
     36 
     37 namespace WebKit {
     38 class WebAccessibilityObject;
     39 class WebFrame;
     40 }
     41 
     42 class TestShell;
     43 
     44 class AccessibilityController : public CppBoundClass {
     45 public:
     46     explicit AccessibilityController(TestShell*);
     47 
     48     // Shadow to include accessibility initialization.
     49     void bindToJavascript(WebKit::WebFrame*, const WebKit::WebString& classname);
     50     void reset();
     51 
     52     void setFocusedElement(const WebKit::WebAccessibilityObject&);
     53     AccessibilityUIElement* getFocusedElement();
     54     AccessibilityUIElement* getRootElement();
     55 
     56     // This function sets a flag that tells the test_shell to dump all
     57     // accessibility notifications.
     58     void dumpAccessibilityNotifications(const CppArgumentList&, CppVariant*);
     59 
     60 public:
     61     // The following methods are not exposed to JavaScript.
     62     bool shouldDumpAccessibilityNotifications() { return m_dumpAccessibilityNotifications; }
     63 
     64 private:
     65     // If true, the test_shell will dump all accessibility notifications.
     66     bool m_dumpAccessibilityNotifications;
     67 
     68     // Bound methods and properties
     69     void logFocusEventsCallback(const CppArgumentList&, CppVariant*);
     70     void logScrollingStartEventsCallback(const CppArgumentList&, CppVariant*);
     71     void fallbackCallback(const CppArgumentList&, CppVariant*);
     72 
     73     void focusedElementGetterCallback(CppVariant*);
     74     void rootElementGetterCallback(CppVariant*);
     75 
     76     WebKit::WebAccessibilityObject m_focusedElement;
     77     WebKit::WebAccessibilityObject m_rootElement;
     78 
     79     AccessibilityUIElementList m_elements;
     80 
     81     TestShell* m_shell;
     82 };
     83 
     84 #endif // AccessibilityController_h
     85