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afaac6ec79
With this gone, cursors will no longer change on hover when running Sky on a desktop. Then again the iGeneration doesn't probably even know what a mouse is, let alone have a burning desire to set a CSS3 custom-cursor. R=ojan@chromium.org Review URL: https://codereview.chromium.org/1076623002
131 lines
4.5 KiB
C++
131 lines
4.5 KiB
C++
/*
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* Copyright (C) 2006, 2007, 2009, 2010, 2011 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 COMPUTER, 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 COMPUTER, 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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#ifndef SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_
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#define SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_
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#include "sky/engine/core/editing/TextGranularity.h"
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#include "sky/engine/core/events/TextEventInputType.h"
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#include "sky/engine/core/page/FocusType.h"
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#include "sky/engine/core/rendering/HitTestRequest.h"
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#include "sky/engine/core/rendering/style/RenderStyleConstants.h"
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#include "sky/engine/platform/Timer.h"
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#include "sky/engine/platform/geometry/LayoutPoint.h"
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#include "sky/engine/platform/heap/Handle.h"
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#include "sky/engine/wtf/Forward.h"
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#include "sky/engine/wtf/HashMap.h"
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#include "sky/engine/wtf/HashTraits.h"
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#include "sky/engine/wtf/RefPtr.h"
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namespace blink {
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class Document;
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class Element;
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class Event;
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class EventTarget;
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class FloatPoint;
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class FloatQuad;
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class HitTestRequest;
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class HitTestResult;
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class KeyboardEvent;
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class LocalFrame;
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class Node;
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class RenderLayer;
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class RenderObject;
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class TextEvent;
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class VisibleSelection;
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class Widget;
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enum AppendTrailingWhitespace { ShouldAppendTrailingWhitespace, DontAppendTrailingWhitespace };
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enum CheckDragHysteresis { ShouldCheckDragHysteresis, DontCheckDragHysteresis };
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class EventHandler {
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WTF_MAKE_NONCOPYABLE(EventHandler);
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public:
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explicit EventHandler(LocalFrame*);
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~EventHandler();
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void clear();
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void nodeWillBeRemoved(Node&);
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HitTestResult hitTestResultAtPoint(const LayoutPoint&,
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HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active,
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const LayoutSize& padding = LayoutSize());
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void defaultKeyboardEventHandler(KeyboardEvent*);
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bool handleTextInputEvent(const String& text, Event* underlyingEvent = 0, TextEventInputType = TextEventInputKeyboard);
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void defaultTextInputEventHandler(TextEvent*);
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void focusDocumentView();
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void capsLockStateMayHaveChanged(); // Only called by FrameSelection
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void notifyElementActivated();
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private:
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void hoverTimerFired(Timer<EventHandler>*);
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void activeIntervalTimerFired(Timer<EventHandler>*);
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TouchAction intersectTouchAction(const TouchAction, const TouchAction);
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TouchAction computeEffectiveTouchAction(const Node&);
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HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active);
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void invalidateClick();
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bool dragHysteresisExceeded(const FloatPoint&) const;
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bool dragHysteresisExceeded(const IntPoint&) const;
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void defaultTabEventHandler(KeyboardEvent*);
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bool capturesDragging() const { return m_capturesDragging; }
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LocalFrame* const m_frame;
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bool m_capturesDragging;
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enum SelectionInitiationState { HaveNotStartedSelection, PlacedCaret, ExtendedSelection };
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SelectionInitiationState m_selectionInitiationState;
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LayoutPoint m_dragStartPos;
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int m_clickCount;
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RefPtr<Node> m_clickNode;
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RefPtr<Node> m_dragTarget;
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bool m_shouldOnlyFireDragOverEvent;
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bool m_didStartDrag;
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Timer<EventHandler> m_activeIntervalTimer;
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double m_lastShowPressTimestamp;
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RefPtr<Element> m_lastDeferredTapElement;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_
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