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Side by Side Diff: Source/core/layout/compositing/CompositedSelection.h

Issue 929213004: Plumb selection bounds as a single unit (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Refactor WebSelection to align with Frame/VisibleSelection Created 5 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 2014 Google Inc. All rights reserved. 2 * Copyright (C) 2015 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer 11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the 12 * in the documentation and/or other materials provided with the
13 * distribution. 13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its 14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from 15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission. 16 * this software without specific prior written permission.
17 * 17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 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. 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */ 29 */
30 30
31 #ifndef CompositedSelectionBound_h 31 #ifndef CompositedSelection_h
32 #define CompositedSelectionBound_h 32 #define CompositedSelection_h
33 33
34 #include "core/editing/SelectionType.h"
35 #include "core/layout/compositing/CompositedSelectionBound.h"
34 #include "platform/geometry/FloatPoint.h" 36 #include "platform/geometry/FloatPoint.h"
35 #include "platform/graphics/GraphicsLayer.h" 37 #include "platform/graphics/GraphicsLayer.h"
36 38
37 namespace blink { 39 namespace blink {
38 40
39 struct CompositedSelectionBound { 41 // The active selection region, containing compositing data for the selection
40 enum Type { 42 // end points as well as metadata for the selection region.
41 Caret, 43 // See |WebSelection|.
42 SelectionLeft, 44 struct CompositedSelection {
43 SelectionRight
44 };
45 45
46 CompositedSelectionBound() 46 CompositedSelection()
47 : type(Caret) 47 : type(NoSelection)
48 , layer(nullptr) 48 , isBaseFirst(false)
49 , isEditable(false)
50 , isEditableRegionEmpty(false)
49 { 51 {
50 } 52 }
51 53
52 Type type; 54 SelectionType type;
53 55 CompositedSelectionBound base;
54 // The structure describes the position of a caret in space of the GraphicsL ayer the caret resides in. 56 CompositedSelectionBound extent;
55 // Where edgeTopInLayer is the top point of the caret, usually on the ascend line of the line box, 57 bool isBaseFirst;
56 // and edgeBottomInLayer it the bottom point, on the baseline of the line bo x. 58 bool isEditable;
57 GraphicsLayer* layer; 59 bool isEditableRegionEmpty;
58 FloatPoint edgeTopInLayer;
59 FloatPoint edgeBottomInLayer;
60 }; 60 };
61 61
62 } // namespace blink 62 } // namespace blink
63 63
64 #endif 64 #endif // CompositedSelection_h
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