1/*
2 * Copyright (C) 2017 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
27#pragma once
28
29#include <wtf/HashMap.h>
30#include <wtf/Ref.h>
31#include <wtf/Seconds.h>
32#include <wtf/text/AtomicString.h>
33#include <wtf/text/AtomicStringHash.h>
34
35namespace WebCore {
36
37class CSSCustomPropertyValue;
38class CSSVariableData;
39class Document;
40
41enum class ConstantProperty {
42 SafeAreaInsetTop,
43 SafeAreaInsetRight,
44 SafeAreaInsetBottom,
45 SafeAreaInsetLeft,
46 FullscreenInsetTop,
47 FullscreenInsetRight,
48 FullscreenInsetBottom,
49 FullscreenInsetLeft,
50 FullscreenAutoHideDuration,
51};
52
53class ConstantPropertyMap {
54 WTF_MAKE_FAST_ALLOCATED;
55public:
56 explicit ConstantPropertyMap(Document&);
57
58 typedef HashMap<AtomicString, Ref<CSSCustomPropertyValue>> Values;
59 const Values& values() const;
60
61 void didChangeSafeAreaInsets();
62 void didChangeFullscreenInsets();
63 void setFullscreenAutoHideDuration(Seconds);
64
65private:
66 void buildValues();
67
68 const AtomicString& nameForProperty(ConstantProperty) const;
69 void setValueForProperty(ConstantProperty, Ref<CSSVariableData>&&);
70
71 void updateConstantsForSafeAreaInsets();
72 void updateConstantsForFullscreen();
73
74 Optional<Values> m_values;
75
76 Document& m_document;
77};
78
79} // namespace WebCore
80