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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.
shouldDumpAccessibilityNotifications()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