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 | #pragma once |
27 | |
28 | #include "Region.h" |
29 | #include <wtf/HashMap.h> |
30 | #include <wtf/text/StringHash.h> |
31 | #include <wtf/text/WTFString.h> |
32 | |
33 | #if ENABLE(POINTER_EVENTS) |
34 | #include "CSSPrimitiveValueMappings.h" |
35 | #include "ScrollingCoordinatorTypes.h" |
36 | #include "TouchAction.h" |
37 | #endif |
38 | |
39 | namespace WebCore { |
40 | |
41 | enum class TrackingType : uint8_t { |
42 | NotTracking = 0, |
43 | Asynchronous = 1, |
44 | Synchronous = 2 |
45 | }; |
46 | |
47 | #if ENABLE(POINTER_EVENTS) |
48 | typedef uint64_t ScrollingNodeID; |
49 | struct TouchActionData { |
50 | OptionSet<TouchAction> touchActions { TouchAction::Auto }; |
51 | ScrollingNodeID scrollingNodeID { 0 }; |
52 | Region region; |
53 | }; |
54 | |
55 | bool operator==(const TouchActionData&, const TouchActionData&); |
56 | inline bool operator!=(const TouchActionData& a, const TouchActionData& b) { return !(a == b); } |
57 | #endif |
58 | |
59 | struct EventTrackingRegions { |
60 | // Region for which events can be dispatched without blocking scrolling. |
61 | Region asynchronousDispatchRegion; |
62 | |
63 | // Regions for which events must be sent before performing the default behavior. |
64 | // The key is the Event Name with an active handler. |
65 | HashMap<String, Region> eventSpecificSynchronousDispatchRegions; |
66 | |
67 | #if ENABLE(POINTER_EVENTS) |
68 | Vector<TouchActionData> touchActionData; |
69 | #endif |
70 | |
71 | bool isEmpty() const; |
72 | |
73 | void translate(IntSize); |
74 | void uniteSynchronousRegion(const String& eventName, const Region&); |
75 | void unite(const EventTrackingRegions&); |
76 | |
77 | TrackingType trackingTypeForPoint(const String& eventName, const IntPoint&); |
78 | }; |
79 | |
80 | bool operator==(const EventTrackingRegions&, const EventTrackingRegions&); |
81 | inline bool operator!=(const EventTrackingRegions& a, const EventTrackingRegions& b) { return !(a == b); } |
82 | |
83 | } // namespace WebCore |
84 | |