1/*
2 * Copyright (c) 2016 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
29 */
30
31#pragma once
32
33#include "ScrollAnimator.h"
34
35namespace WebCore {
36
37// A Mock implementation of ScrollAnimator used to test the scroll events
38// received by the scroll animator. Tests can enable this scroll animator using
39// the internal setting enableMockScrollAnimator.
40class ScrollAnimatorMock final : public ScrollAnimator {
41public:
42 ScrollAnimatorMock(ScrollableArea&, WTF::Function<void(const String&)>&&);
43 virtual ~ScrollAnimatorMock();
44
45private:
46
47#if ENABLE(RUBBER_BANDING)
48 bool allowsHorizontalStretching(const PlatformWheelEvent&) override { return false; }
49 bool allowsVerticalStretching(const PlatformWheelEvent&) override { return false; }
50 IntSize stretchAmount() override { return IntSize(); }
51 bool pinnedInDirection(const FloatSize&) override { return false; }
52 bool canScrollHorizontally() override { return false; }
53 bool canScrollVertically() override { return false; }
54 bool shouldRubberBandInDirection(ScrollDirection) override { return false; }
55 void immediateScrollBy(const FloatSize&) override { }
56 void immediateScrollByWithoutContentEdgeConstraints(const FloatSize&) override { }
57 void adjustScrollPositionToBoundsIfNecessary() override { }
58#endif
59
60 void didAddVerticalScrollbar(Scrollbar*) override;
61 void didAddHorizontalScrollbar(Scrollbar*) override;
62 void willRemoveVerticalScrollbar(Scrollbar*) override;
63 void willRemoveHorizontalScrollbar(Scrollbar*) override;
64 void mouseEnteredContentArea() override;
65 void mouseMovedInContentArea() override;
66 void mouseExitedContentArea() override;
67 void mouseEnteredScrollbar(Scrollbar*) const override;
68 void mouseExitedScrollbar(Scrollbar*) const override;
69 void mouseIsDownInScrollbar(Scrollbar*, bool) const override;
70
71 WTF::Function<void(const String&)> m_logger;
72 Scrollbar* m_verticalScrollbar { nullptr };
73 Scrollbar* m_horizontalScrollbar { nullptr };
74};
75
76} // namespace WebCore
77
78