Send node transition events for touch events

third_party/WebKit/Source/core/input/EventHandler.h

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 #ifndef EventHandler_h
 #define EventHandler_h
 
 #include "core/CoreExport.h"
-#include "core/events/PointerEventManager.h"
 #include "core/events/TextEventInputType.h"
+#include "core/input/PointerEventManager.h"
 #include "core/layout/HitTestRequest.h"
 #include "core/page/DragActions.h"
 #include "core/page/EventWithHitTestResults.h"
 #include "core/style/ComputedStyleConstants.h"
 #include "platform/Cursor.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/PlatformTouchPoint.h"
 #include "platform/Timer.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/geometry/LayoutPoint.h"
@@ skipping 129 matching lines @@
     bool bestContextMenuNodeForHitTestResult(const HitTestResult&, IntPoint& targetPoint, Node*& targetNode);
     // FIXME: This doesn't appear to be used outside tests anymore, what path are we using now and is it tested?
     bool bestZoomableAreaForTouchPoint(const IntPoint& touchCenter, const IntSize& touchRadius, IntRect& targetArea, Node*& targetNode);
 
     WebInputEventResult sendContextMenuEvent(const PlatformMouseEvent&, Node* overrideTargetNode = nullptr);
     WebInputEventResult sendContextMenuEventForKey(Element* overrideTargetElement = nullptr);
     WebInputEventResult sendContextMenuEventForGesture(const GestureEventWithHitTestResults&);
 
     void setMouseDownMayStartAutoscroll() { m_mouseDownMayStartAutoscroll = true; }
 
+    static WebInputEventResult mergeEventResult(WebInputEventResult resultA, WebInputEventResult resultB);
+    static WebInputEventResult eventToEventResult(PassRefPtrWillBeRawPtr<Event>, bool);
+
     static PlatformEvent::Modifiers accessKeyModifiers();
     bool handleAccessKey(const PlatformKeyboardEvent&);
     WebInputEventResult keyEvent(const PlatformKeyboardEvent&);
     void defaultKeyboardEventHandler(KeyboardEvent*);
 
     bool handleTextInputEvent(const String& text, Event* underlyingEvent = nullptr, TextEventInputType = TextEventInputKeyboard);
     void defaultTextInputEventHandler(TextEvent*);
 
     void dragSourceEndedAt(const PlatformMouseEvent&, DragOperation);
 
@@ skipping 86 matching lines @@
     void handleOverscroll(const ScrollResult&, const FloatPoint& position = FloatPoint(), const FloatSize& velocity = FloatSize());
 
     void customizedScroll(const Node& startNode, ScrollState&);
 
     HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active);
 
     void invalidateClick();
 
     void updateMouseEventTargetNode(Node*, const PlatformMouseEvent&);
 
-    WebInputEventResult dispatchPointerEvent(EventTarget*, PassRefPtrWillBeRawPtr<PointerEvent>);
-    EventTarget* getEffectiveTargetForPointerEvent(EventTarget*, PassRefPtrWillBeRawPtr<PointerEvent>);
-
-    // Dispatches (pointer|mouse)(over|out|enter|leave) events to the specified node.
-    void sendPointerAndMouseTransitionEvents(Node* target, const AtomicString& mouseEventType,
-        const PlatformMouseEvent&, Node* relatedTarget, bool checkForListener);
-
-    // Locates the target nodes in DOM based on the transition and dispatches (pointer|mouse)(over|out|enter|leave) events to them.
-    void sendNodeTransitionEvents(Node*, Node*, const PlatformMouseEvent&);
-
     MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const PlatformMouseEvent&);
 
     WebInputEventResult dispatchMouseEvent(const AtomicString& eventType, Node* target, int clickCount, const PlatformMouseEvent&);
 
     // Dispatches ME after corresponding PE provided the PE has not been canceled. The eventType arg
     // must be a mouse event that can be gated though a preventDefaulted pointerdown (i.e., one of
     // {mousedown, mousemove, mouseup}).
     // TODO(mustaq): Can we avoid the clickCount param, instead use PlatformMouseEvent's count?
     //     Same applied to dispatchMouseEvent() above.
     WebInputEventResult updatePointerTargetAndDispatchEvents(const AtomicString& mouseEventType, Node* target,
@@ skipping 33 matching lines @@
     WebInputEventResult handleGestureShowPress();
 
     bool handleScrollGestureOnResizer(Node*, const PlatformGestureEvent&);
 
     WebInputEventResult passScrollGestureEventToWidget(const PlatformGestureEvent&, LayoutObject*);
 
     AutoscrollController* autoscrollController() const;
     bool panScrollInProgress() const;
     void setLastKnownMousePosition(const PlatformMouseEvent&);
 
-    void conditionallyEnableMouseEventForPointerTypeMouse(const PlatformMouseEvent&);
-
     bool shouldTopControlsConsumeScroll(FloatSize) const;
 
     // If the given element is a shadow host and its root has delegatesFocus=false flag,
     // slide focus to its inner element. Returns true if the resulting focus is different from
     // the given element.
     bool slideFocusOnShadowHostIfNecessary(const Element&);
 
     void dispatchPointerEvents(const PlatformTouchEvent&, WillBeHeapVector<TouchInfo>&);
     void sendPointerCancels(WillBeHeapVector<TouchInfo>&);
 
@@ skipping 26 matching lines @@
 
     Timer<EventHandler> m_fakeMouseMoveEventTimer;
 
     bool m_svgPan;
 
     RawPtrWillBeMember<PaintLayerScrollableArea> m_resizeScrollableArea;
 
     RefPtrWillBeMember<Node> m_capturingMouseEventsNode;
     bool m_eventHandlerWillResetCapturingMouseEventsNode;
 
+    // Note the difference of this and m_nodeUnderPointer in PointerEventManager
     RefPtrWillBeMember<Node> m_nodeUnderMouse;
+
     RefPtrWillBeMember<LocalFrame> m_lastMouseMoveEventSubframe;
     RefPtrWillBeMember<Scrollbar> m_lastScrollbarUnderMouse;
 
     int m_clickCount;
     RefPtrWillBeMember<Node> m_clickNode;
 
     RefPtrWillBeMember<Node> m_dragTarget;
     bool m_shouldOnlyFireDragOverEvent;
 
     RefPtrWillBeMember<HTMLFrameSetElement> m_frameSetBeingResized;
@@ skipping 18 matching lines @@
     TouchTargetMap m_targetForTouchID;
 
     // If set, the document of the active touch sequence. Unset if no touch sequence active.
     RefPtrWillBeMember<Document> m_touchSequenceDocument;
     RefPtr<UserGestureToken> m_touchSequenceUserGestureToken;
 
     bool m_touchPressed;
 
     PointerEventManager m_pointerEventManager;
 
-    // Prevents firing mousedown, mousemove & mouseup in-between a canceled pointerdown and next pointerup/pointercancel.
-    // See "PREVENT MOUSE EVENT flag" in the spec:
-    //   https://w3c.github.io/pointerevents/#compatibility-mapping-with-mouse-events
-    bool m_preventMouseEventForPointerTypeMouse;
-
     // This is set upon sending a pointercancel for touch, prevents PE dispatches for touches until
     // all touch-points become inactive.
     // TODO(mustaq): Consider a state per pointerType, as in PointerIdManager? Exclude mouse?
     bool m_inPointerCanceledState;
 
     RefPtrWillBeMember<Node> m_scrollGestureHandlingNode;
     bool m_lastGestureScrollOverWidget;
     // The most recent element to scroll natively during this scroll
     // sequence. Null if no native element has scrolled this scroll
     // sequence, or if the most recent element to scroll used scroll
@@ skipping 17 matching lines @@
     // scroll which shouldn't propagate can't cause any element to
     // scroll other than the |m_previousGestureScrolledNode|.
     bool m_deltaConsumedForScrollSequence;
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::EventHandler::TouchInfo);
 
 #endif // EventHandler_h