1/*
2 * Copyright (C) 2016 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
24 */
25
26#include "config.h"
27#include "EventTrackingRegions.h"
28
29namespace WebCore {
30
31TrackingType EventTrackingRegions::trackingTypeForPoint(const String& eventName, const IntPoint& point)
32{
33 auto synchronousRegionIterator = eventSpecificSynchronousDispatchRegions.find(eventName);
34 if (synchronousRegionIterator != eventSpecificSynchronousDispatchRegions.end()) {
35 if (synchronousRegionIterator->value.contains(point))
36 return TrackingType::Synchronous;
37 }
38
39 if (asynchronousDispatchRegion.contains(point))
40 return TrackingType::Asynchronous;
41 return TrackingType::NotTracking;
42}
43
44bool EventTrackingRegions::isEmpty() const
45{
46 return asynchronousDispatchRegion.isEmpty() && eventSpecificSynchronousDispatchRegions.isEmpty();
47}
48
49void EventTrackingRegions::translate(IntSize offset)
50{
51 asynchronousDispatchRegion.translate(offset);
52 for (auto& slot : eventSpecificSynchronousDispatchRegions)
53 slot.value.translate(offset);
54}
55
56void EventTrackingRegions::uniteSynchronousRegion(const String& eventName, const Region& region)
57{
58 if (region.isEmpty())
59 return;
60
61 auto addResult = eventSpecificSynchronousDispatchRegions.add(eventName, region);
62 if (!addResult.isNewEntry)
63 addResult.iterator->value.unite(region);
64}
65
66void EventTrackingRegions::unite(const EventTrackingRegions& eventTrackingRegions)
67{
68 asynchronousDispatchRegion.unite(eventTrackingRegions.asynchronousDispatchRegion);
69 for (auto& slot : eventTrackingRegions.eventSpecificSynchronousDispatchRegions)
70 uniteSynchronousRegion(slot.key, slot.value);
71}
72
73bool operator==(const EventTrackingRegions& a, const EventTrackingRegions& b)
74{
75 return a.asynchronousDispatchRegion == b.asynchronousDispatchRegion
76#if ENABLE(POINTER_EVENTS)
77 && a.touchActionData == b.touchActionData
78#endif
79 && a.eventSpecificSynchronousDispatchRegions == b.eventSpecificSynchronousDispatchRegions;
80}
81
82#if ENABLE(POINTER_EVENTS)
83bool operator==(const TouchActionData& a, const TouchActionData& b)
84{
85 return a.touchActions == b.touchActions
86 && a.scrollingNodeID == b.scrollingNodeID
87 && a.region == b.region;
88}
89#endif
90
91} // namespace WebCore
92