1/*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 * Copyright 2014 The Chromium Authors. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef InjectedStyleSheets_h
28#define InjectedStyleSheets_h
29
30#include "wtf/Vector.h"
31#include "wtf/text/WTFString.h"
32
33namespace blink {
34
35enum StyleInjectionTarget { InjectStyleInAllFrames, InjectStyleInTopFrameOnly };
36
37class InjectedStyleSheetEntry {
38    WTF_MAKE_FAST_ALLOCATED;
39public:
40    InjectedStyleSheetEntry(const String& source, const Vector<String>& whitelist, StyleInjectionTarget injectedFrames)
41        : m_source(source)
42        , m_whitelist(whitelist)
43        , m_injectedFrames(injectedFrames)
44    {
45    }
46
47    const String& source() const { return m_source; }
48    const Vector<String>& whitelist() const { return m_whitelist; }
49    StyleInjectionTarget injectedFrames() const { return m_injectedFrames; }
50
51private:
52    String m_source;
53    Vector<String> m_whitelist;
54    StyleInjectionTarget m_injectedFrames;
55};
56
57typedef Vector<OwnPtr<InjectedStyleSheetEntry> > InjectedStyleSheetEntryVector;
58
59class InjectedStyleSheets {
60public:
61    static InjectedStyleSheets& instance();
62
63    void add(const String& source, const Vector<String>& whitelist, StyleInjectionTarget);
64    void removeAll();
65
66    const InjectedStyleSheetEntryVector& entries() const { return m_entries; }
67
68private:
69    InjectedStyleSheets() { }
70    void invalidateInjectedStyleSheetCacheInAllFrames();
71
72    InjectedStyleSheetEntryVector m_entries;
73};
74
75} // namespace blink
76
77#endif // InjectedStyleSheets_h
78