Remove user gesture tracking

sky/engine/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * 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.
@@ skipping 181 matching lines @@
     m_nodeUnderMouse = nullptr;
     m_lastNodeUnderMouse = nullptr;
     m_lastScrollbarUnderMouse = nullptr;
     m_clickCount = 0;
     m_clickNode = nullptr;
     m_dragTarget = nullptr;
     m_shouldOnlyFireDragOverEvent = false;
     m_mousePositionIsUnknown = true;
     m_lastKnownMousePosition = IntPoint();
     m_lastKnownMouseGlobalPosition = IntPoint();
-    m_lastMouseDownUserGestureToken.clear();
     m_mousePressNode = nullptr;
     m_mousePressed = false;
     m_capturesDragging = false;
     m_capturingMouseEventsNode = nullptr;
     m_latchedWheelEventNode = nullptr;
     m_previousWheelScrolledNode = nullptr;
     m_targetForTouchID.clear();
     m_touchSequenceDocument.clear();
-    m_touchSequenceUserGestureToken.clear();
     m_scrollGestureHandlingNode = nullptr;
     m_lastGestureScrollOverWidget = false;
     m_previousGestureScrolledNode = nullptr;
     m_scrollbarHandlingScrollGesture = nullptr;
     m_maxMouseMovedDuration = 0;
     m_didStartDrag = false;
     m_touchPressed = false;
     m_mouseDownMayStartSelect = false;
     m_mouseDownMayStartDrag = false;
     m_lastShowPressTimestamp = 0;
@@ skipping 766 matching lines @@
     // FIXME(sky): remove
     return windowPoint;
 }
 
 bool EventHandler::handleMousePressEvent(const PlatformMouseEvent& mouseEvent)
 {
     TRACE_EVENT0("blink", "EventHandler::handleMousePressEvent");
 
     RefPtr<FrameView> protector(m_frame->view());
 
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingUserGesture);
-    m_frame->eventHandler().m_lastMouseDownUserGestureToken = gestureIndicator.currentToken();
-
     cancelFakeMouseMoveEvent();
     if (m_eventHandlerWillResetCapturingMouseEventsNode)
         m_capturingMouseEventsNode = nullptr;
     m_mousePressed = true;
     m_capturesDragging = true;
     setLastKnownMousePosition(mouseEvent);
     m_mouseDownTimestamp = mouseEvent.timestamp();
     m_mouseDownMayStartDrag = false;
     m_mouseDownMayStartSelect = false;
     m_mouseDownMayStartAutoscroll = false;
@@ skipping 187 matching lines @@
 }
 
 bool EventHandler::handleMouseReleaseEvent(const PlatformMouseEvent& mouseEvent)
 {
     TRACE_EVENT0("blink", "EventHandler::handleMouseReleaseEvent");
 
     RefPtr<FrameView> protector(m_frame->view());
 
     m_frame->selection().setCaretBlinkingSuspended(false);
 
-    OwnPtr<UserGestureIndicator> gestureIndicator;
-
-    if (m_frame->eventHandler().m_lastMouseDownUserGestureToken)
-        gestureIndicator = adoptPtr(new UserGestureIndicator(m_frame->eventHandler().m_lastMouseDownUserGestureToken.release()));
-    else
-        gestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingUserGesture));
-
     m_mousePressed = false;
     setLastKnownMousePosition(mouseEvent);
 
     if (m_lastScrollbarUnderMouse) {
         invalidateClick();
         m_lastScrollbarUnderMouse->mouseUp(mouseEvent);
         bool setUnder = false;
         return !dispatchMouseEvent(EventTypeNames::mouseup, m_lastNodeUnderMouse.get(), m_clickCount, mouseEvent, setUnder);
     }
 
@@ skipping 415 matching lines @@
         ASSERT_NOT_REACHED();
         return false;
     }
 }
 
 bool EventHandler::handleGestureTap(const GestureEventWithHitTestResults& targetedEvent)
 {
     RefPtr<FrameView> protector(m_frame->view());
     const PlatformGestureEvent& gestureEvent = targetedEvent.event();
 
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingUserGesture);
-
     unsigned modifierFlags = 0;
     if (gestureEvent.altKey())
         modifierFlags |= PlatformEvent::AltKey;
     if (gestureEvent.ctrlKey())
         modifierFlags |= PlatformEvent::CtrlKey;
     if (gestureEvent.metaKey())
         modifierFlags |= PlatformEvent::MetaKey;
     if (gestureEvent.shiftKey())
         modifierFlags |= PlatformEvent::ShiftKey;
     PlatformEvent::Modifiers modifiers = static_cast<PlatformEvent::Modifiers>(modifierFlags);
@@ skipping 407 matching lines @@
 
     if (initialKeyEvent.windowsVirtualKeyCode() == VK_CAPITAL)
         capsLockStateMayHaveChanged();
 
     // Check for cases where we are too early for events -- possible unmatched key up
     // from pressing return in the location bar.
     RefPtr<Node> node = eventTargetNodeForDocument(m_frame->document());
     if (!node)
         return false;
 
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingUserGesture);
-
     // FIXME: it would be fair to let an input method handle KeyUp events before DOM dispatch.
     if (initialKeyEvent.type() == PlatformEvent::KeyUp || initialKeyEvent.type() == PlatformEvent::Char)
         return !node->dispatchKeyEvent(initialKeyEvent);
 
     PlatformKeyboardEvent keyDownEvent = initialKeyEvent;
     if (keyDownEvent.type() != PlatformEvent::RawKeyDown)
         keyDownEvent.disambiguateKeyDownEvent(PlatformEvent::RawKeyDown);
     RefPtr<KeyboardEvent> keydown = KeyboardEvent::create(keyDownEvent, m_frame->document()->domWindow());
 
     keydown->setTarget(node);
@@ skipping 181 matching lines @@
         if (point.state() != PlatformTouchPoint::TouchReleased && point.state() != PlatformTouchPoint::TouchCancelled)
             allTouchReleased = false;
     }
     if (freshTouchEvents) {
         // Ideally we'd ASSERT !m_touchSequenceDocument here since we should
         // have cleared the active document when we saw the last release. But we
         // have some tests that violate this, ClusterFuzz could trigger it, and
         // there may be cases where the browser doesn't reliably release all
         // touches. http://crbug.com/345372 tracks this.
         m_touchSequenceDocument.clear();
-        m_touchSequenceUserGestureToken.clear();
     }
 
-    OwnPtr<UserGestureIndicator> gestureIndicator;
-
-    if (m_touchSequenceUserGestureToken)
-        gestureIndicator = adoptPtr(new UserGestureIndicator(m_touchSequenceUserGestureToken.release()));
-    else
-        gestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingUserGesture));
-
-    m_touchSequenceUserGestureToken = gestureIndicator->currentToken();
-
     ASSERT(m_frame->view());
     if (m_touchSequenceDocument && (!m_touchSequenceDocument->frame() || !m_touchSequenceDocument->frame()->view())) {
         // If the active touch document has no frame or view, it's probably being destroyed
         // so we can't dispatch events.
         return false;
     }
 
     // First do hit tests for any new touch points.
     for (i = 0; i < points.size(); ++i) {
         const PlatformTouchPoint& point = points[i];
@@ skipping 41 matching lines @@
             if (effectiveTouchAction != TouchActionAuto)
                 m_frame->page()->chrome().client().setTouchAction(effectiveTouchAction);
         }
     }
 
     m_touchPressed = !allTouchReleased;
 
     // If there's no document receiving touch events,  then we can skip all the
     // rest of this work.
     if (!m_touchSequenceDocument || !m_touchSequenceDocument->frame()) {
-        if (allTouchReleased) {
+        if (allTouchReleased)
             m_touchSequenceDocument.clear();
-            m_touchSequenceUserGestureToken.clear();
-        }
         return false;
     }
 
     // Build up the lists to use for the 'touches', 'targetTouches' and
     // 'changedTouches' attributes in the JS event. See
     // http://www.w3.org/TR/touch-events/#touchevent-interface for how these
     // lists fit together.
 
     // Holds the complete set of touches on the screen.
     RefPtr<TouchList> touches = TouchList::create();
@@ skipping 86 matching lines @@
         // explicitly here. See https://bugs.webkit.org/show_bug.cgi?id=37609
         // for further discussion about the TouchStationary state.
         if (pointState != PlatformTouchPoint::TouchStationary && knownTarget) {
             ASSERT(pointState < PlatformTouchPoint::TouchStateEnd);
             if (!changedTouches[pointState].m_touches)
                 changedTouches[pointState].m_touches = TouchList::create();
             changedTouches[pointState].m_touches->append(touch);
             changedTouches[pointState].m_targets.add(touchTarget);
         }
     }
-    if (allTouchReleased) {
+    if (allTouchReleased)
         m_touchSequenceDocument.clear();
-        m_touchSequenceUserGestureToken.clear();
-    }
 
     // Now iterate the changedTouches list and m_targets within it, sending
     // events to the targets as required.
     bool swallowedEvent = false;
     for (unsigned state = 0; state != PlatformTouchPoint::TouchStateEnd; ++state) {
         if (!changedTouches[state].m_touches)
             continue;
 
         const AtomicString& stateName(eventNameForTouchPointState(static_cast<PlatformTouchPoint::State>(state)));
         const EventTargetSet& targetsForState = changedTouches[state].m_targets;
@@ skipping 77 matching lines @@
 
 void EventHandler::focusDocumentView()
 {
     Page* page = m_frame->page();
     if (!page)
         return;
     page->focusController().focusDocumentView(m_frame);
 }
 
 } // namespace blink