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Side by Side Diff: third_party/WebKit/Source/web/FindInPageCoordinates.h

Issue 2389633002: reflow comments in web/ (Closed)
Patch Set: . Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved. 2 * Copyright (C) 2012 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
(...skipping 22 matching lines...) Expand all
33 33
34 #include "platform/geometry/FloatRect.h" 34 #include "platform/geometry/FloatRect.h"
35 #include "web/WebExport.h" 35 #include "web/WebExport.h"
36 36
37 namespace blink { 37 namespace blink {
38 class Range; 38 class Range;
39 class LayoutObject; 39 class LayoutObject;
40 40
41 // Find-in-page coordinate conversion methods. 41 // Find-in-page coordinate conversion methods.
42 // 42 //
43 // This coordinate system is designed to give consistent tickmarks in cases wher e find matches 43 // This coordinate system is designed to give consistent tickmarks in cases
44 // are in scrollable areas but might not be visible (e.g. child frames, scroll:o verflow). 44 // where find matches are in scrollable areas but might not be visible (e.g.
45 // In these cases, using absolute positions might lead to tickmarks pointing out side the visible 45 // child frames, scroll:overflow). In these cases, using absolute positions
46 // area of its container, which is counter-intuitive for users. 46 // might lead to tickmarks pointing outside the visible area of its container,
47 // which is counter-intuitive for users.
47 // 48 //
48 // Find-in-page coordinates are represented as normalized fractions of the main frame document with 49 // Find-in-page coordinates are represented as normalized fractions of the main
49 // the property that they are built by composing the relative position of each l ayoutObject to the maximum 50 // frame document with the property that they are built by composing the
50 // effective layout size of its container all the way up the layout tree. The re sulting coordinates 51 // relative position of each layoutObject to the maximum effective layout size
51 // are scroll-independent, representing any contents scaled to the visible area of their container. 52 // of its container all the way up the layout tree. The resulting coordinates
52 // The provided methods support scroll:overflow and are CSS position and transfo rm-friendly. 53 // are scroll-independent, representing any contents scaled to the visible area
54 // of their container. The provided methods support scroll:overflow and are
55 // CSS position and transform-friendly.
53 56
54 WEB_EXPORT FloatRect findInPageRectFromAbsoluteRect(const FloatRect&, 57 WEB_EXPORT FloatRect findInPageRectFromAbsoluteRect(const FloatRect&,
55 const LayoutObject*); 58 const LayoutObject*);
56 WEB_EXPORT FloatRect findInPageRectFromRange(Range*); 59 WEB_EXPORT FloatRect findInPageRectFromRange(Range*);
57 60
58 } // namespace blink 61 } // namespace blink
59 62
60 #endif 63 #endif
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