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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Region.h"
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
struct EventNames;
enum class TrackingType : uint8_t {
NotTracking = 0,
Asynchronous = 1,
Synchronous = 2
};
enum class EventTrackingRegionsEventType : uint8_t {
Mousedown,
Mousemove,
Mouseup,
Mousewheel,
Pointerdown,
Pointerenter,
Pointerleave,
Pointermove,
Pointerout,
Pointerover,
Pointerup,
Touchend,
Touchforcechange,
Touchmove,
Touchstart,
Wheel,
};
struct EventTrackingRegions {
using EventType = EventTrackingRegionsEventType;
WEBCORE_EXPORT static ASCIILiteral eventName(EventType);
WEBCORE_EXPORT static const AtomString& eventNameAtomString(const EventNames&, EventType);
// Region for which events can be dispatched without blocking scrolling.
Region asynchronousDispatchRegion;
// Regions for which events must be sent before performing the default behavior.
// The key is the EventType with an active handler.
using EventSpecificSynchronousDispatchRegions = HashMap<EventType, Region, WTF::IntHash<EventType>, WTF::StrongEnumHashTraits<EventType>>;
EventSpecificSynchronousDispatchRegions eventSpecificSynchronousDispatchRegions;
bool isEmpty() const;
void translate(IntSize);
void uniteSynchronousRegion(EventType, const Region&);
void unite(const EventTrackingRegions&);
TrackingType trackingTypeForPoint(EventType, const IntPoint&);
};
bool operator==(const EventTrackingRegions&, const EventTrackingRegions&);
} // namespace WebCore
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