summaryrefslogtreecommitdiffstats
path: root/Source/WebKit2/Shared/EditorState.h
blob: 7b74c9c42e91e3caf1727e76080ca781f977be69 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
 * Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef EditorState_h
#define EditorState_h

#include "ArgumentCoders.h"
#include <WebCore/IntRect.h>
#include <wtf/text/WTFString.h>

#if PLATFORM(IOS)
#include <WebCore/SelectionRect.h>
#endif

namespace WebKit {

enum TypingAttributes {
    AttributeNone = 0,
    AttributeBold = 1,
    AttributeItalics = 2,
    AttributeUnderline = 4,
    AttributeStrikeThrough = 8
};

struct EditorState {
    bool shouldIgnoreCompositionSelectionChange { false };

    bool selectionIsNone { true }; // This will be false when there is a caret selection.
    bool selectionIsRange { false };
    bool isContentEditable { false };
    bool isContentRichlyEditable { false };
    bool isInPasswordField { false };
    bool isInPlugin { false };
    bool hasComposition { false };
    bool isMissingPostLayoutData { false };

#if PLATFORM(IOS)
    WebCore::IntRect firstMarkedRect;
    WebCore::IntRect lastMarkedRect;
    String markedText;
#endif
#if PLATFORM(QT)
    // The anchor, cursor represent either the selection or composition, depending
    // whether a composition exists or not.
    unsigned cursorPosition { 0 };
    unsigned anchorPosition { 0 };

    WebCore::IntRect cursorRect;
    WebCore::IntRect editorRect;
    WebCore::IntRect compositionRect;

    uint64_t inputMethodHints { 0 };

    WTF::String selectedText;
    WTF::String surroundingText;
#endif

#if PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
    struct PostLayoutData {
#if PLATFORM(IOS) || PLATFORM(GTK)
        uint32_t typingAttributes { AttributeNone };
        WebCore::IntRect caretRectAtStart;
#endif
#if PLATFORM(IOS) || PLATFORM(MAC)
        WebCore::IntRect selectionClipRect;
        uint64_t selectedTextLength { 0 };
#endif
#if PLATFORM(IOS)
        WebCore::IntRect caretRectAtEnd;
        Vector<WebCore::SelectionRect> selectionRects;
        String wordAtSelection;
        UChar32 characterAfterSelection { 0 };
        UChar32 characterBeforeSelection { 0 };
        UChar32 twoCharacterBeforeSelection { 0 };
        bool isReplaceAllowed { false };
        bool hasContent { false };
#endif
#if PLATFORM(MAC)
        uint64_t candidateRequestStartPosition { 0 };
        String paragraphContextForCandidateRequest;
        String stringForCandidateRequest;
#endif

        void encode(IPC::ArgumentEncoder&) const;
        static bool decode(IPC::ArgumentDecoder&, PostLayoutData&);
    };

    const PostLayoutData& postLayoutData() const;
    PostLayoutData& postLayoutData();
#endif // PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)

    void encode(IPC::ArgumentEncoder&) const;
    static bool decode(IPC::ArgumentDecoder&, EditorState&);

#if PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
private:
    PostLayoutData m_postLayoutData;
#endif
};

#if PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
inline auto EditorState::postLayoutData() -> PostLayoutData&
{
    ASSERT_WITH_MESSAGE(!isMissingPostLayoutData, "Attempt to access post layout data before receiving it");
    return m_postLayoutData;
}

inline auto EditorState::postLayoutData() const -> const PostLayoutData&
{
    ASSERT_WITH_MESSAGE(!isMissingPostLayoutData, "Attempt to access post layout data before receiving it");
    return m_postLayoutData;
}
#endif

}

#endif // EditorState_h