1/*
2 * Copyright (C) 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/Forward.h>
29
30namespace WebCore {
31
32class Document;
33class Element;
34
35class ValidationMessageClient {
36 WTF_MAKE_FAST_ALLOCATED;
37public:
38 virtual ~ValidationMessageClient() = default;
39
40 // Show validation message for the specified anchor element. An
41 // implementation of this function may hide the message automatically after
42 // some period.
43 virtual void showValidationMessage(const Element& anchor, const String& message) = 0;
44
45 // Hide validation message for the specified anchor if the message for the
46 // anchor is already visible.
47 virtual void hideValidationMessage(const Element& anchor) = 0;
48
49 // Hide any validation message currently displayed.
50 virtual void hideAnyValidationMessage() = 0;
51
52 // Returns true if the validation message for the specified anchor element
53 // is visible.
54 virtual bool isValidationMessageVisible(const Element& anchor) = 0;
55
56 virtual void updateValidationBubbleStateIfNeeded() = 0;
57
58 virtual void documentDetached(Document&) = 0;
59};
60
61} // namespace WebCore
62