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