1/*
2 * Copyright (C) 2011 Apple 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "IconDatabaseBase.h"
28
29#include "IconDatabase.h"
30#include "URL.h"
31#include "SharedBuffer.h"
32
33namespace WebCore {
34
35String IconDatabaseBase::synchronousIconURLForPageURL(const String&)
36{
37    return String();
38}
39
40String IconDatabaseBase::databasePath() const
41{
42    return String();
43}
44
45bool IconDatabaseBase::open(const String&, const String&)
46{
47    return false;
48}
49
50static IconDatabaseBase* vmbase = 0;
51
52// Functions to get/set the global icon database.
53IconDatabaseBase& iconDatabase()
54{
55    if (vmbase)
56        return *vmbase;
57
58    static IconDatabaseBase* defaultDatabase = 0;
59    if (!defaultDatabase)
60        defaultDatabase = new IconDatabase;
61
62    return *defaultDatabase;
63}
64
65void setGlobalIconDatabase(IconDatabaseBase* newGlobalDatabase)
66{
67    vmbase = newGlobalDatabase;
68}
69
70bool documentCanHaveIcon(const String& documentURL)
71{
72    return !documentURL.isEmpty() && !protocolIs(documentURL, "about");
73}
74
75} // namespace WebCore
76