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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 WebAccessibilityObject_h | |
32 #define WebAccessibilityObject_h | |
33 | |
34 #include "WebAccessibilityRole.h" | |
35 #include "WebCommon.h" | |
36 | |
37 #if WEBKIT_IMPLEMENTATION | |
38 namespace WebCore { class AccessibilityObject; } | |
39 namespace WTF { template <typename T> class PassRefPtr; } | |
40 #endif | |
41 | |
42 namespace WebKit { | |
43 | |
44 class WebAccessibilityObjectPrivate; | |
45 class WebString; | |
46 struct WebPoint; | |
47 struct WebRect; | |
48 | |
49 // A container for passing around a reference to AccessibilityObject. | |
50 class WebAccessibilityObject { | |
51 public: | |
52 ~WebAccessibilityObject() { reset(); } | |
53 | |
54 WebAccessibilityObject() : m_private(0) { } | |
55 WebAccessibilityObject(const WebAccessibilityObject& o) : m_private(0) { assign(o); } | |
56 WebAccessibilityObject& operator=(const WebAccessibilityObject& o) | |
57 { | |
58 assign(o); | |
59 return *this; | |
60 } | |
61 | |
62 WEBKIT_API void reset(); | |
63 WEBKIT_API void assign(const WebAccessibilityObject&); | |
64 | |
65 bool isNull() const { return !m_private; } | |
66 | |
67 WebString accessibilityDescription() const; | |
68 WebString actionVerb() const; | |
69 bool canSetFocusAttribute() const; | |
70 | |
71 unsigned childCount() const; | |
72 | |
73 WebAccessibilityObject childAt(unsigned) const; | |
74 WebAccessibilityObject firstChild() const; | |
75 WebAccessibilityObject focusedChild() const; | |
76 WebAccessibilityObject lastChild() const; | |
77 WebAccessibilityObject nextSibling() const; | |
78 WebAccessibilityObject parentObject() const; | |
79 WebAccessibilityObject previousSibling() const; | |
80 | |
81 bool isAnchor() const; | |
82 bool isChecked() const; | |
83 bool isFocused() const; | |
84 bool isEnabled() const; | |
85 bool isHovered() const; | |
86 bool isIndeterminate() const; | |
87 bool isMultiSelect() const; | |
88 bool isOffScreen() const; | |
89 bool isPasswordField() const; | |
90 bool isPressed() const; | |
91 bool isReadOnly() const; | |
92 bool isVisited() const; | |
93 | |
94 WebRect boundingBoxRect() const; | |
95 WebString helpText() const; | |
96 WebAccessibilityObject hitTest(const WebPoint&) const; | |
97 WebString keyboardShortcut() const; | |
98 bool performDefaultAction() const; | |
99 WebAccessibilityRole roleValue() const; | |
100 WebString stringValue() const; | |
101 WebString title() const; | |
102 | |
103 #if WEBKIT_IMPLEMENTATION | |
104 WebAccessibilityObject(const WTF::PassRefPtr<WebCore::AccessibilityObject>&); | |
105 WebAccessibilityObject& operator=(const WTF::PassRefPtr<WebCore::AccessibilityObject>&); | |
106 operator WTF::PassRefPtr<WebCore::AccessibilityObject>() const; | |
107 #endif | |
108 | |
109 private: | |
110 void assign(WebAccessibilityObjectPrivate*); | |
111 WebAccessibilityObjectPrivate* m_private; | |
112 }; | |
113 | |
114 } // namespace WebKit | |
115 | |
116 #endif | |
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