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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 |
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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 #include "config.h" | 31 #include "config.h" |
32 #include "web/FindInPageCoordinates.h" | 32 #include "web/FindInPageCoordinates.h" |
33 | 33 |
34 #include "core/dom/Node.h" | 34 #include "core/dom/Node.h" |
35 #include "core/dom/Range.h" | 35 #include "core/dom/Range.h" |
36 #include "core/frame/LocalFrame.h" | 36 #include "core/frame/LocalFrame.h" |
| 37 #include "core/layout/LayoutObject.h" |
37 #include "core/rendering/RenderBlock.h" | 38 #include "core/rendering/RenderBlock.h" |
38 #include "core/rendering/RenderBox.h" | 39 #include "core/rendering/RenderBox.h" |
39 #include "core/rendering/RenderObject.h" | |
40 #include "core/rendering/RenderPart.h" | 40 #include "core/rendering/RenderPart.h" |
41 #include "core/rendering/RenderView.h" | 41 #include "core/rendering/RenderView.h" |
42 #include "core/rendering/style/RenderStyle.h" | 42 #include "core/rendering/style/RenderStyle.h" |
43 #include "platform/geometry/FloatPoint.h" | 43 #include "platform/geometry/FloatPoint.h" |
44 #include "platform/geometry/FloatQuad.h" | 44 #include "platform/geometry/FloatQuad.h" |
45 #include "platform/geometry/IntPoint.h" | 45 #include "platform/geometry/IntPoint.h" |
46 | 46 |
47 namespace blink { | 47 namespace blink { |
48 | 48 |
49 static const RenderBlock* enclosingScrollableAncestor(const RenderObject* render
er) | 49 static const RenderBlock* enclosingScrollableAncestor(const LayoutObject* render
er) |
50 { | 50 { |
51 ASSERT(!renderer->isRenderView()); | 51 ASSERT(!renderer->isRenderView()); |
52 | 52 |
53 // Trace up the containingBlocks until we reach either the render view or a
scrollable object. | 53 // Trace up the containingBlocks until we reach either the render view or a
scrollable object. |
54 const RenderBlock* container = renderer->containingBlock(); | 54 const RenderBlock* container = renderer->containingBlock(); |
55 while (!container->hasOverflowClip() && !container->isRenderView()) | 55 while (!container->hasOverflowClip() && !container->isRenderView()) |
56 container = container->containingBlock(); | 56 container = container->containingBlock(); |
57 return container; | 57 return container; |
58 } | 58 } |
59 | 59 |
60 static FloatRect toNormalizedRect(const FloatRect& absoluteRect, const RenderObj
ect* renderer, const RenderBlock* container) | 60 static FloatRect toNormalizedRect(const FloatRect& absoluteRect, const LayoutObj
ect* renderer, const RenderBlock* container) |
61 { | 61 { |
62 ASSERT(renderer); | 62 ASSERT(renderer); |
63 | 63 |
64 ASSERT(container || renderer->isRenderView()); | 64 ASSERT(container || renderer->isRenderView()); |
65 if (!container) | 65 if (!container) |
66 return FloatRect(); | 66 return FloatRect(); |
67 | 67 |
68 // We want to normalize by the max layout overflow size instead of only the
visible bounding box. | 68 // We want to normalize by the max layout overflow size instead of only the
visible bounding box. |
69 // Quads and their enclosing bounding boxes need to be used in order to keep
results transform-friendly. | 69 // Quads and their enclosing bounding boxes need to be used in order to keep
results transform-friendly. |
70 FloatPoint scrolledOrigin; | 70 FloatPoint scrolledOrigin; |
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86 | 86 |
87 // Fixed positions do not make sense in this coordinate system, but need to
leave consistent tickmarks. | 87 // Fixed positions do not make sense in this coordinate system, but need to
leave consistent tickmarks. |
88 // So, use their position when the view is not scrolled, like an absolute po
sition. | 88 // So, use their position when the view is not scrolled, like an absolute po
sition. |
89 if (renderer->style()->position() == FixedPosition && container->isRenderVie
w()) | 89 if (renderer->style()->position() == FixedPosition && container->isRenderVie
w()) |
90 normalizedRect.move(-toRenderView(container)->frameView()->scrollOffsetF
orViewportConstrainedObjects()); | 90 normalizedRect.move(-toRenderView(container)->frameView()->scrollOffsetF
orViewportConstrainedObjects()); |
91 | 91 |
92 normalizedRect.scale(1 / containerRect.width(), 1 / containerRect.height()); | 92 normalizedRect.scale(1 / containerRect.width(), 1 / containerRect.height()); |
93 return normalizedRect; | 93 return normalizedRect; |
94 } | 94 } |
95 | 95 |
96 FloatRect findInPageRectFromAbsoluteRect(const FloatRect& inputRect, const Rende
rObject* baseRenderer) | 96 FloatRect findInPageRectFromAbsoluteRect(const FloatRect& inputRect, const Layou
tObject* baseRenderer) |
97 { | 97 { |
98 if (!baseRenderer || inputRect.isEmpty()) | 98 if (!baseRenderer || inputRect.isEmpty()) |
99 return FloatRect(); | 99 return FloatRect(); |
100 | 100 |
101 // Normalize the input rect to its container block. | 101 // Normalize the input rect to its container block. |
102 const RenderBlock* baseContainer = enclosingScrollableAncestor(baseRenderer)
; | 102 const RenderBlock* baseContainer = enclosingScrollableAncestor(baseRenderer)
; |
103 FloatRect normalizedRect = toNormalizedRect(inputRect, baseRenderer, baseCon
tainer); | 103 FloatRect normalizedRect = toNormalizedRect(inputRect, baseRenderer, baseCon
tainer); |
104 | 104 |
105 // Go up across frames. | 105 // Go up across frames. |
106 for (const RenderBox* renderer = baseContainer; renderer; ) { | 106 for (const RenderBox* renderer = baseContainer; renderer; ) { |
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124 } | 124 } |
125 | 125 |
126 return normalizedRect; | 126 return normalizedRect; |
127 } | 127 } |
128 | 128 |
129 FloatRect findInPageRectFromRange(Range* range) | 129 FloatRect findInPageRectFromRange(Range* range) |
130 { | 130 { |
131 if (!range || !range->firstNode()) | 131 if (!range || !range->firstNode()) |
132 return FloatRect(); | 132 return FloatRect(); |
133 | 133 |
134 return findInPageRectFromAbsoluteRect(RenderObject::absoluteBoundingBoxRectF
orRange(range), range->firstNode()->renderer()); | 134 return findInPageRectFromAbsoluteRect(LayoutObject::absoluteBoundingBoxRectF
orRange(range), range->firstNode()->renderer()); |
135 } | 135 } |
136 | 136 |
137 } // namespace blink | 137 } // namespace blink |
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