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 #include "config.h"
32 #include "AccessibilityController.h"
33
34 #include "TestShell.h"
35 #include "WebAccessibilityCache.h"
36 #include "WebAccessibilityObject.h"
37 #include "WebFrame.h"
38 #include "WebString.h"
39 #include "WebView.h"
40
41 using namespace WebKit;
42
AccessibilityController(TestShell * shell)43 AccessibilityController::AccessibilityController(TestShell* shell)
44 : m_dumpAccessibilityNotifications(false)
45 , m_shell(shell)
46 {
47
48 bindMethod("dumpAccessibilityNotifications", &AccessibilityController::dumpAccessibilityNotifications);
49 bindMethod("logFocusEvents", &AccessibilityController::logFocusEventsCallback);
50 bindMethod("logScrollingStartEvents", &AccessibilityController::logScrollingStartEventsCallback);
51
52 bindProperty("focusedElement", &AccessibilityController::focusedElementGetterCallback);
53 bindProperty("rootElement", &AccessibilityController::rootElementGetterCallback);
54
55 bindFallbackMethod(&AccessibilityController::fallbackCallback);
56 }
57
bindToJavascript(WebFrame * frame,const WebString & classname)58 void AccessibilityController::bindToJavascript(WebFrame* frame, const WebString& classname)
59 {
60 WebAccessibilityCache::enableAccessibility();
61 CppBoundClass::bindToJavascript(frame, classname);
62 }
63
reset()64 void AccessibilityController::reset()
65 {
66 m_rootElement = WebAccessibilityObject();
67 m_focusedElement = WebAccessibilityObject();
68 m_elements.clear();
69
70 m_dumpAccessibilityNotifications = false;
71 }
72
setFocusedElement(const WebAccessibilityObject & focusedElement)73 void AccessibilityController::setFocusedElement(const WebAccessibilityObject& focusedElement)
74 {
75 m_focusedElement = focusedElement;
76 }
77
getFocusedElement()78 AccessibilityUIElement* AccessibilityController::getFocusedElement()
79 {
80 if (m_focusedElement.isNull())
81 m_focusedElement = m_shell->webView()->accessibilityObject();
82 return m_elements.create(m_focusedElement);
83 }
84
getRootElement()85 AccessibilityUIElement* AccessibilityController::getRootElement()
86 {
87 if (m_rootElement.isNull())
88 m_rootElement = m_shell->webView()->accessibilityObject();
89 return m_elements.createRoot(m_rootElement);
90 }
91
dumpAccessibilityNotifications(const CppArgumentList &,CppVariant * result)92 void AccessibilityController::dumpAccessibilityNotifications(const CppArgumentList&, CppVariant* result)
93 {
94 m_dumpAccessibilityNotifications = true;
95 result->setNull();
96 }
97
logFocusEventsCallback(const CppArgumentList &,CppVariant * result)98 void AccessibilityController::logFocusEventsCallback(const CppArgumentList&, CppVariant* result)
99 {
100 // As of r49031, this is not being used upstream.
101 result->setNull();
102 }
103
logScrollingStartEventsCallback(const CppArgumentList &,CppVariant * result)104 void AccessibilityController::logScrollingStartEventsCallback(const CppArgumentList&, CppVariant* result)
105 {
106 // As of r49031, this is not being used upstream.
107 result->setNull();
108 }
109
focusedElementGetterCallback(CppVariant * result)110 void AccessibilityController::focusedElementGetterCallback(CppVariant* result)
111 {
112 result->set(*(getFocusedElement()->getAsCppVariant()));
113 }
114
rootElementGetterCallback(CppVariant * result)115 void AccessibilityController::rootElementGetterCallback(CppVariant* result)
116 {
117 result->set(*(getRootElement()->getAsCppVariant()));
118 }
119
fallbackCallback(const CppArgumentList &,CppVariant * result)120 void AccessibilityController::fallbackCallback(const CppArgumentList&, CppVariant* result)
121 {
122 printf("CONSOLE MESSAGE: JavaScript ERROR: unknown method called on "
123 "AccessibilityController\n");
124 result->setNull();
125 }
126