1/*
2 * Copyright (C) 2014 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef CompositedSelectionBound_h
32#define CompositedSelectionBound_h
33
34#include "platform/geometry/FloatPoint.h"
35#include "platform/graphics/GraphicsLayer.h"
36
37namespace blink {
38
39struct CompositedSelectionBound {
40    enum Type {
41        Caret,
42        SelectionLeft,
43        SelectionRight
44    };
45
46    CompositedSelectionBound()
47        : type(Caret)
48        , layer(nullptr)
49    {
50    }
51
52    Type type;
53
54    // The structure describes the position of a caret in space of the GraphicsLayer the caret resides in.
55    // Where edgeTopInLayer is the top point of the caret, usually on the ascend line of the line box,
56    // and edgeBottomInLayer it the bottom point, on the baseline of the line box.
57    GraphicsLayer* layer;
58    FloatPoint edgeTopInLayer;
59    FloatPoint edgeBottomInLayer;
60};
61
62} // namespace blink
63
64#endif
65