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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 15 matching lines...) Expand all Loading... |
| 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 FindInPageCoordinates_h | 31 #ifndef FindInPageCoordinates_h |
| 32 #define FindInPageCoordinates_h | 32 #define FindInPageCoordinates_h |
| 33 | 33 |
| 34 #include "platform/geometry/FloatRect.h" | 34 #include "platform/geometry/FloatRect.h" |
| 35 | 35 |
| 36 namespace WebCore { | 36 namespace blink { |
| 37 class Range; | 37 class Range; |
| 38 class RenderObject; | 38 class RenderObject; |
| 39 } | 39 } |
| 40 | 40 |
| 41 namespace blink { | 41 namespace blink { |
| 42 | 42 |
| 43 // Find-in-page coordinate conversion methods. | 43 // Find-in-page coordinate conversion methods. |
| 44 // | 44 // |
| 45 // This coordinate system is designed to give consistent tickmarks in cases wher
e find matches | 45 // This coordinate system is designed to give consistent tickmarks in cases wher
e find matches |
| 46 // are in scrollable areas but might not be visible (e.g. child frames, scroll:o
verflow). | 46 // are in scrollable areas but might not be visible (e.g. child frames, scroll:o
verflow). |
| 47 // In these cases, using absolute positions might lead to tickmarks pointing out
side the visible | 47 // In these cases, using absolute positions might lead to tickmarks pointing out
side the visible |
| 48 // area of its container, which is counter-intuitive for users. | 48 // area of its container, which is counter-intuitive for users. |
| 49 // | 49 // |
| 50 // Find-in-page coordinates are represented as normalized fractions of the main
frame document with | 50 // Find-in-page coordinates are represented as normalized fractions of the main
frame document with |
| 51 // the property that they are built by composing the relative position of each r
enderer to the maximum | 51 // the property that they are built by composing the relative position of each r
enderer to the maximum |
| 52 // effective layout size of its container all the way up the render tree. The re
sulting coordinates | 52 // effective layout size of its container all the way up the render tree. The re
sulting coordinates |
| 53 // are scroll-independent, representing any contents scaled to the visible area
of their container. | 53 // are scroll-independent, representing any contents scaled to the visible area
of their container. |
| 54 // The provided methods support scroll:overflow and are CSS position and transfo
rm-friendly. | 54 // The provided methods support scroll:overflow and are CSS position and transfo
rm-friendly. |
| 55 | 55 |
| 56 WebCore::FloatRect findInPageRectFromAbsoluteRect(const WebCore::FloatRect&, con
st WebCore::RenderObject*); | 56 blink::FloatRect findInPageRectFromAbsoluteRect(const blink::FloatRect&, const b
link::RenderObject*); |
| 57 WebCore::FloatRect findInPageRectFromRange(WebCore::Range*); | 57 blink::FloatRect findInPageRectFromRange(blink::Range*); |
| 58 | 58 |
| 59 } // namespace blink | 59 } // namespace blink |
| 60 | 60 |
| 61 #endif | 61 #endif |
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