90 lines
4.1 KiB
C++
90 lines
4.1 KiB
C++
/*
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* Copyright (C) 2006 Apple Inc.
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* Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
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* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include <wtf/Assertions.h>
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#include <wtf/OptionSet.h>
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namespace WebCore {
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class HitTestRequest {
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public:
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enum class Type {
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ReadOnly = 1 << 0,
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Active = 1 << 1,
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Move = 1 << 2,
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Release = 1 << 3,
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IgnoreCSSPointerEventsProperty = 1 << 4,
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IgnoreClipping = 1 << 5,
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SVGClipContent = 1 << 6,
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TouchEvent = 1 << 7,
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DisallowUserAgentShadowContent = 1 << 8,
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DisallowUserAgentShadowContentExceptForImageOverlays = 1 << 9,
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AllowFrameScrollbars = 1 << 10,
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AllowChildFrameContent = 1 << 11,
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AllowVisibleChildFrameContentOnly = 1 << 12,
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ChildFrameHitTest = 1 << 13,
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AccessibilityHitTest = 1 << 14,
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// Collect a list of nodes instead of just one. Used for elementsFromPoint and rect-based tests.
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CollectMultipleElements = 1 << 15,
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// When using list-based testing, continue hit testing even after a hit has been found.
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IncludeAllElementsUnderPoint = 1 << 16,
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};
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HitTestRequest(OptionSet<Type> type = { Type::ReadOnly, Type::Active, Type::DisallowUserAgentShadowContent })
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: m_type { type }
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{
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ASSERT(!type.containsAll({ Type::DisallowUserAgentShadowContentExceptForImageOverlays, Type::DisallowUserAgentShadowContent }));
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ASSERT_IMPLIES(type.contains(Type::IncludeAllElementsUnderPoint), type.contains(Type::CollectMultipleElements));
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}
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bool readOnly() const { return m_type.contains(Type::ReadOnly); }
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bool active() const { return m_type.contains(Type::Active); }
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bool move() const { return m_type.contains(Type::Move); }
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bool release() const { return m_type.contains(Type::Release); }
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bool ignoreCSSPointerEventsProperty() const { return m_type.contains(Type::IgnoreCSSPointerEventsProperty); }
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bool ignoreClipping() const { return m_type.contains(Type::IgnoreClipping); }
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bool svgClipContent() const { return m_type.contains(Type::SVGClipContent); }
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bool touchEvent() const { return m_type.contains(Type::TouchEvent); }
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bool mouseEvent() const { return !touchEvent(); }
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bool disallowsUserAgentShadowContent() const { return m_type.contains(Type::DisallowUserAgentShadowContent); }
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bool disallowsUserAgentShadowContentExceptForImageOverlays() const { return m_type.contains(Type::DisallowUserAgentShadowContentExceptForImageOverlays); }
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bool allowsFrameScrollbars() const { return m_type.contains(Type::AllowFrameScrollbars); }
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bool allowsChildFrameContent() const { return m_type.contains(Type::AllowChildFrameContent); }
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bool allowsVisibleChildFrameContent() const { return m_type.contains(Type::AllowVisibleChildFrameContentOnly); }
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bool isChildFrameHitTest() const { return m_type.contains(Type::ChildFrameHitTest); }
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bool resultIsElementList() const { return m_type.contains(Type::CollectMultipleElements); }
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bool includesAllElementsUnderPoint() const { return m_type.contains(Type::IncludeAllElementsUnderPoint); }
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// Convenience functions
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bool touchMove() const { return move() && touchEvent(); }
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bool touchRelease() const { return release() && touchEvent(); }
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OptionSet<Type> type() const { return m_type; }
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private:
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OptionSet<Type> m_type;
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};
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} // namespace WebCore
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