/* * 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/HashMap.h> #include <wtf/text/StringHash.h> #include <wtf/text/WTFString.h> namespace WebCore { enum class TrackingType : uint8_t { NotTracking = 0, Asynchronous = 1, Synchronous = 2 }; struct EventTrackingRegions { // 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 Event Name with an active handler. HashMap<String, Region> eventSpecificSynchronousDispatchRegions; bool isEmpty() const; void translate(IntSize); void uniteSynchronousRegion(const String& eventName, const Region&); void unite(const EventTrackingRegions&); TrackingType trackingTypeForPoint(const String& eventName, const IntPoint&); }; bool operator==(const EventTrackingRegions&, const EventTrackingRegions&); inline bool operator!=(const EventTrackingRegions& a, const EventTrackingRegions& b) { return !(a == b); } } // namespace WebCore