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1 /* | 1 /* |
2 * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008, 2009 Apple 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef LayoutScrollbar_h | 26 #ifndef LayoutScrollbar_h |
27 #define LayoutScrollbar_h | 27 #define LayoutScrollbar_h |
28 | 28 |
29 #include "core/layout/style/LayoutStyleConstants.h" | 29 #include "core/layout/style/ComputedStyleConstants.h" |
30 #include "platform/heap/Handle.h" | 30 #include "platform/heap/Handle.h" |
31 #include "platform/scroll/Scrollbar.h" | 31 #include "platform/scroll/Scrollbar.h" |
32 #include "wtf/HashMap.h" | 32 #include "wtf/HashMap.h" |
33 | 33 |
34 namespace blink { | 34 namespace blink { |
35 | 35 |
36 class LocalFrame; | 36 class LocalFrame; |
37 class Node; | 37 class Node; |
38 class LayoutBox; | 38 class LayoutBox; |
39 class LayoutScrollbarPart; | 39 class LayoutScrollbarPart; |
40 class LayoutStyle; | 40 class ComputedStyle; |
41 | 41 |
42 class LayoutScrollbar final : public Scrollbar { | 42 class LayoutScrollbar final : public Scrollbar { |
43 public: | 43 public: |
44 static PassRefPtrWillBeRawPtr<Scrollbar> createCustomScrollbar(ScrollableAre
a*, ScrollbarOrientation, Node*, LocalFrame* owningFrame = 0); | 44 static PassRefPtrWillBeRawPtr<Scrollbar> createCustomScrollbar(ScrollableAre
a*, ScrollbarOrientation, Node*, LocalFrame* owningFrame = 0); |
45 virtual ~LayoutScrollbar(); | 45 virtual ~LayoutScrollbar(); |
46 | 46 |
47 LayoutBox* owningRenderer() const; | 47 LayoutBox* owningRenderer() const; |
48 | 48 |
49 IntRect buttonRect(ScrollbarPart); | 49 IntRect buttonRect(ScrollbarPart); |
50 IntRect trackRect(int startLength, int endLength); | 50 IntRect trackRect(int startLength, int endLength); |
(...skipping 18 matching lines...) Expand all Loading... |
69 | 69 |
70 virtual void setHoveredPart(ScrollbarPart) override; | 70 virtual void setHoveredPart(ScrollbarPart) override; |
71 virtual void setPressedPart(ScrollbarPart) override; | 71 virtual void setPressedPart(ScrollbarPart) override; |
72 | 72 |
73 virtual void styleChanged() override; | 73 virtual void styleChanged() override; |
74 | 74 |
75 virtual bool isCustomScrollbar() const override { return true; } | 75 virtual bool isCustomScrollbar() const override { return true; } |
76 | 76 |
77 void updateScrollbarParts(bool destroy = false); | 77 void updateScrollbarParts(bool destroy = false); |
78 | 78 |
79 PassRefPtr<LayoutStyle> getScrollbarPseudoStyle(ScrollbarPart, PseudoId); | 79 PassRefPtr<ComputedStyle> getScrollbarPseudoStyle(ScrollbarPart, PseudoId); |
80 void updateScrollbarPart(ScrollbarPart, bool destroy = false); | 80 void updateScrollbarPart(ScrollbarPart, bool destroy = false); |
81 | 81 |
82 // This Scrollbar(Widget) may outlive the DOM which created it (during tear
down), | 82 // This Scrollbar(Widget) may outlive the DOM which created it (during tear
down), |
83 // so we keep a reference to the Node which caused this custom scrollbar cre
ation. | 83 // so we keep a reference to the Node which caused this custom scrollbar cre
ation. |
84 // This will not create a reference cycle as the Widget tree is owned by our
containing | 84 // This will not create a reference cycle as the Widget tree is owned by our
containing |
85 // FrameView which this Node pointer can in no way keep alive. See webkit bu
g 80610. | 85 // FrameView which this Node pointer can in no way keep alive. See webkit bu
g 80610. |
86 RefPtrWillBeMember<Node> m_owner; | 86 RefPtrWillBeMember<Node> m_owner; |
87 | 87 |
88 RawPtrWillBeMember<LocalFrame> m_owningFrame; | 88 RawPtrWillBeMember<LocalFrame> m_owningFrame; |
89 | 89 |
90 HashMap<unsigned, LayoutScrollbarPart*> m_parts; | 90 HashMap<unsigned, LayoutScrollbarPart*> m_parts; |
91 }; | 91 }; |
92 | 92 |
93 DEFINE_TYPE_CASTS(LayoutScrollbar, ScrollbarThemeClient, scrollbar, scrollbar->i
sCustomScrollbar(), scrollbar.isCustomScrollbar()); | 93 DEFINE_TYPE_CASTS(LayoutScrollbar, ScrollbarThemeClient, scrollbar, scrollbar->i
sCustomScrollbar(), scrollbar.isCustomScrollbar()); |
94 | 94 |
95 } // namespace blink | 95 } // namespace blink |
96 | 96 |
97 #endif // LayoutScrollbar_h | 97 #endif // LayoutScrollbar_h |
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