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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. |
3 * Copyright (C) 2008 Collabora Ltd. All rights reserved. | 3 * Copyright (C) 2008 Collabora Ltd. All rights reserved. |
4 * Copyright (C) 2013 Google Inc. All rights reserved. | 4 * Copyright (C) 2013 Google Inc. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
(...skipping 28 matching lines...) Expand all Loading... | |
39 // TODO(joelhockey): Move core/paint/ScrollbarManager to platform/scroll | 39 // TODO(joelhockey): Move core/paint/ScrollbarManager to platform/scroll |
40 // and use it to replace this class. | 40 // and use it to replace this class. |
41 class PLATFORM_EXPORT FrameViewBase : public GarbageCollectedMixin { | 41 class PLATFORM_EXPORT FrameViewBase : public GarbageCollectedMixin { |
42 public: | 42 public: |
43 FrameViewBase(){}; | 43 FrameViewBase(){}; |
44 virtual ~FrameViewBase(){}; | 44 virtual ~FrameViewBase(){}; |
45 | 45 |
46 virtual IntPoint Location() const = 0; | 46 virtual IntPoint Location() const = 0; |
47 | 47 |
48 virtual bool IsFrameView() const { return false; } | 48 virtual bool IsFrameView() const { return false; } |
49 virtual bool IsRemoteFrameView() const { return false; } | |
50 | 49 |
51 virtual void SetParent(FrameViewBase*) = 0; | |
joelhockey
2017/05/01 23:04:35
SetParent, SetParentVisible, FrameRectsChanged met
| |
52 virtual FrameViewBase* Parent() const = 0; | 50 virtual FrameViewBase* Parent() const = 0; |
53 | 51 |
54 // TODO(joelhockey): Remove this from FrameViewBase once FrameView children | |
55 // use FrameOrPlugin rather than FrameViewBase. This method does not apply to | |
56 // scrollbars. | |
57 virtual void SetParentVisible(bool visible) {} | |
58 | |
59 // ConvertFromRootFrame must be in FrameViewBase rather than FrameView | 52 // ConvertFromRootFrame must be in FrameViewBase rather than FrameView |
60 // to be visible to Scrollbar::ConvertFromRootFrame and | 53 // to be visible to Scrollbar::ConvertFromRootFrame and |
61 // RemoteFrameView::UpdateRemoteViewportIntersection. The related | 54 // RemoteFrameView::UpdateRemoteViewportIntersection. The related |
62 // ConvertFromContainingFrameViewBase must be declared locally to be visible. | 55 // ConvertFromContainingFrameViewBase must be declared locally to be visible. |
63 IntRect ConvertFromRootFrame(const IntRect& rect_in_root_frame) const { | 56 IntRect ConvertFromRootFrame(const IntRect& rect_in_root_frame) const { |
64 if (const FrameViewBase* parent_frame_view_base = Parent()) { | 57 if (const FrameViewBase* parent_frame_view_base = Parent()) { |
65 IntRect parent_rect = | 58 IntRect parent_rect = |
66 parent_frame_view_base->ConvertFromRootFrame(rect_in_root_frame); | 59 parent_frame_view_base->ConvertFromRootFrame(rect_in_root_frame); |
67 return ConvertFromContainingFrameViewBase(parent_rect); | 60 return ConvertFromContainingFrameView(parent_rect); |
68 } | 61 } |
69 return rect_in_root_frame; | 62 return rect_in_root_frame; |
70 } | 63 } |
71 | 64 |
72 IntPoint ConvertFromRootFrame(const IntPoint& point_in_root_frame) const { | 65 IntPoint ConvertFromRootFrame(const IntPoint& point_in_root_frame) const { |
73 if (const FrameViewBase* parent_frame_view_base = Parent()) { | 66 if (const FrameViewBase* parent_frame_view_base = Parent()) { |
74 IntPoint parent_point = | 67 IntPoint parent_point = |
75 parent_frame_view_base->ConvertFromRootFrame(point_in_root_frame); | 68 parent_frame_view_base->ConvertFromRootFrame(point_in_root_frame); |
76 return ConvertFromContainingFrameViewBase(parent_point); | 69 return ConvertFromContainingFrameView(parent_point); |
77 } | 70 } |
78 return point_in_root_frame; | 71 return point_in_root_frame; |
79 } | 72 } |
80 | 73 |
81 FloatPoint ConvertFromRootFrame(const FloatPoint& point_in_root_frame) const { | 74 FloatPoint ConvertFromRootFrame(const FloatPoint& point_in_root_frame) const { |
82 // FrameViewBase / windows are required to be IntPoint aligned, but we may | 75 // FrameViewBase / windows are required to be IntPoint aligned, but we may |
83 // need to convert FloatPoint values within them (eg. for event | 76 // need to convert FloatPoint values within them (eg. for event |
84 // co-ordinates). | 77 // co-ordinates). |
85 IntPoint floored_point = FlooredIntPoint(point_in_root_frame); | 78 IntPoint floored_point = FlooredIntPoint(point_in_root_frame); |
86 FloatPoint parent_point = ConvertFromRootFrame(floored_point); | 79 FloatPoint parent_point = ConvertFromRootFrame(floored_point); |
87 FloatSize window_fraction = point_in_root_frame - floored_point; | 80 FloatSize window_fraction = point_in_root_frame - floored_point; |
88 // Use linear interpolation handle any fractional value (eg. for iframes | 81 // Use linear interpolation handle any fractional value (eg. for iframes |
89 // subject to a transform beyond just a simple translation). | 82 // subject to a transform beyond just a simple translation). |
90 // FIXME: Add FloatPoint variants of all co-ordinate space conversion APIs. | 83 // FIXME: Add FloatPoint variants of all co-ordinate space conversion APIs. |
91 if (!window_fraction.IsEmpty()) { | 84 if (!window_fraction.IsEmpty()) { |
92 const int kFactor = 1000; | 85 const int kFactor = 1000; |
93 IntPoint parent_line_end = ConvertFromRootFrame( | 86 IntPoint parent_line_end = ConvertFromRootFrame( |
94 floored_point + RoundedIntSize(window_fraction.ScaledBy(kFactor))); | 87 floored_point + RoundedIntSize(window_fraction.ScaledBy(kFactor))); |
95 FloatSize parent_fraction = | 88 FloatSize parent_fraction = |
96 (parent_line_end - parent_point).ScaledBy(1.0f / kFactor); | 89 (parent_line_end - parent_point).ScaledBy(1.0f / kFactor); |
97 parent_point.Move(parent_fraction); | 90 parent_point.Move(parent_fraction); |
98 } | 91 } |
99 return parent_point; | 92 return parent_point; |
100 } | 93 } |
101 | 94 |
102 // TODO(joelhockey): Change all these to pure virtual functions | 95 virtual IntRect ConvertFromContainingFrameView(const IntRect&) const = 0; |
103 // Once RemoteFrameView no longer inherits from FrameViewBase. | 96 virtual IntPoint ConvertFromContainingFrameView(const IntPoint&) const = 0; |
104 virtual IntRect ConvertFromContainingFrameViewBase( | |
105 const IntRect& parent_rect) const { | |
106 NOTREACHED(); | |
107 return parent_rect; | |
108 } | |
109 virtual IntPoint ConvertFromContainingFrameViewBase( | |
110 const IntPoint& parent_point) const { | |
111 NOTREACHED(); | |
112 return parent_point; | |
113 } | |
114 | |
115 virtual void FrameRectsChanged() { NOTREACHED(); } | |
116 | 97 |
117 virtual void Dispose() {} | 98 virtual void Dispose() {} |
118 }; | 99 }; |
119 | 100 |
120 } // namespace blink | 101 } // namespace blink |
121 | 102 |
122 #endif // FrameViewBase_h | 103 #endif // FrameViewBase_h |
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