Eager Gesture Recognition on Aura

content/browser/renderer_host/ui_events_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/ui_events_helper.h"
 
 #include "content/common/input/web_touch_event_traits.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
@@ skipping 288 matching lines @@
     return NULL;
 
   // The spec requires the radii values to be positive (and 1 when unknown).
   point->radiusX = std::max(1.f, event.radius_x());
   point->radiusY = std::max(1.f, event.radius_y());
   point->rotationAngle = event.rotation_angle();
   point->force = event.force();
 
   // Update the location and state of the point.
   point->state = TouchPointStateFromEvent(event);
-  if (point->state == blink::WebTouchPoint::StateMoved) {
-    // It is possible for badly written touch drivers to emit Move events even
-    // when the touch location hasn't changed. In such cases, consume the event
-    // and pretend nothing happened.
-    if (point->position.x == event.x() && point->position.y == event.y())
-      return NULL;
-  }
   point->position.x = event.x();
   point->position.y = event.y();
 
   const gfx::PointF& root_point = event.root_location_f();
   point->screenPosition.x = root_point.x();
   point->screenPosition.y = root_point.y();
 
   // Mark the rest of the points as stationary.
   for (unsigned i = 0; i < web_event->touchesLength; ++i) {
     blink::WebTouchPoint* iter = web_event->touches + i;
     if (iter != point)
       iter->state = blink::WebTouchPoint::StateStationary;
   }
 
   // Update the type of the touch event.
   WebTouchEventTraits::ResetType(TouchEventTypeFromEvent(event),
                                  event.time_stamp().InSecondsF(),
                                  web_event);
   web_event->modifiers = EventFlagsToWebEventModifiers(event.flags());
 
   return point;
 }
 
 }  // namespace content