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1 /* | |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef ScrollbarGroup_h | |
27 #define ScrollbarGroup_h | |
28 | |
29 #include "platform/scroll/ScrollableArea.h" | |
30 | |
31 #include "wtf/RefPtr.h" | |
32 | |
33 namespace blink { | |
34 | |
35 class FrameView; | |
36 class WebPluginScrollbarImpl; | |
37 | |
38 class ScrollbarGroup final : public ScrollableArea { | |
39 public: | |
40 ScrollbarGroup(FrameView*, const IntRect& frameRect); | |
41 virtual ~ScrollbarGroup(); | |
42 | |
43 void scrollbarCreated(WebPluginScrollbarImpl*); | |
44 void scrollbarDestroyed(WebPluginScrollbarImpl*); | |
45 void setLastMousePosition(const IntPoint&); | |
46 void setFrameRect(const IntRect&); | |
47 | |
48 // ScrollableArea methods | |
49 virtual int scrollSize(ScrollbarOrientation) const override; | |
50 virtual void setScrollOffset(const IntPoint&) override; | |
51 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) override; | |
52 virtual void invalidateScrollCornerRect(const IntRect&) override; | |
53 virtual bool isActive() const override; | |
54 virtual IntRect scrollCornerRect() const override { return IntRect(); } | |
55 virtual bool isScrollCornerVisible() const override; | |
56 virtual void getTickmarks(Vector<IntRect>&) const override; | |
57 virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, cons
t IntPoint& parentPoint) const override; | |
58 virtual Scrollbar* horizontalScrollbar() const override; | |
59 virtual Scrollbar* verticalScrollbar() const override; | |
60 virtual IntPoint scrollPosition() const override; | |
61 virtual IntPoint minimumScrollPosition() const override; | |
62 virtual IntPoint maximumScrollPosition() const override; | |
63 virtual int visibleHeight() const override; | |
64 virtual int visibleWidth() const override; | |
65 virtual IntSize contentsSize() const override; | |
66 virtual IntPoint lastKnownMousePosition() const override; | |
67 virtual bool shouldSuspendScrollAnimations() const override; | |
68 virtual void scrollbarStyleChanged() override; | |
69 virtual bool scrollbarsCanBeActive() const override; | |
70 virtual IntRect scrollableAreaBoundingBox() const override; | |
71 virtual bool userInputScrollable(ScrollbarOrientation) const override; | |
72 virtual bool shouldPlaceVerticalScrollbarOnLeft() const override; | |
73 virtual int pageStep(ScrollbarOrientation) const override; | |
74 | |
75 private: | |
76 FrameView* m_frameView; | |
77 IntPoint m_lastMousePosition; | |
78 IntRect m_frameRect; | |
79 WebPluginScrollbarImpl* m_horizontalScrollbar; | |
80 WebPluginScrollbarImpl* m_verticalScrollbar; | |
81 }; | |
82 | |
83 } // namespace blink | |
84 | |
85 #endif | |
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