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1 /* | |
2 * Copyright (C) 2010, 2012 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 "core/html/ValidationMessage.h" | |
33 | |
34 #include "core/html/HTMLFormControlElement.h" | |
35 #include "core/page/Page.h" | |
36 #include "core/page/ValidationMessageClient.h" | |
37 #include "wtf/PassOwnPtr.h" | |
38 | |
39 namespace WebCore { | |
40 | |
41 ALWAYS_INLINE ValidationMessage::ValidationMessage(HTMLFormControlElement* eleme
nt) | |
42 : m_element(element) | |
43 { | |
44 ASSERT(m_element); | |
45 } | |
46 | |
47 ValidationMessage::~ValidationMessage() | |
48 { | |
49 if (ValidationMessageClient* client = validationMessageClient()) | |
50 client->hideValidationMessage(*m_element); | |
51 } | |
52 | |
53 PassOwnPtr<ValidationMessage> ValidationMessage::create(HTMLFormControlElement*
element) | |
54 { | |
55 return adoptPtr(new ValidationMessage(element)); | |
56 } | |
57 | |
58 ValidationMessageClient* ValidationMessage::validationMessageClient() const | |
59 { | |
60 Page* page = m_element->document().page(); | |
61 if (!page) | |
62 return 0; | |
63 // The form valdiation feature requires ValidationMessageClient. | |
64 ASSERT(page->validationMessageClient()); | |
65 return page->validationMessageClient(); | |
66 } | |
67 | |
68 void ValidationMessage::updateValidationMessage(const String& message) | |
69 { | |
70 ValidationMessageClient* client = validationMessageClient(); | |
71 if (!client) | |
72 return; | |
73 if (message.isEmpty()) | |
74 requestToHideMessage(); | |
75 else | |
76 client->showValidationMessage(*m_element, message); | |
77 } | |
78 | |
79 void ValidationMessage::requestToHideMessage() | |
80 { | |
81 if (ValidationMessageClient* client = validationMessageClient()) | |
82 client->hideValidationMessage(*m_element); | |
83 } | |
84 | |
85 bool ValidationMessage::isVisible() const | |
86 { | |
87 if (ValidationMessageClient* client = validationMessageClient()) | |
88 return client->isValidationMessageVisible(*m_element); | |
89 return false; | |
90 } | |
91 | |
92 } // namespace WebCore | |
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