ui::LocatedEvent location() returns gfx::PointF

ash/touch/touch_uma.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 "ash/touch/touch_uma.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/shell.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/stringprintf.h"
@@ skipping 268 matching lines @@
   UMA_HISTOGRAM_CUSTOM_COUNTS("Ash.TouchPositionY",
       position.y() / bucket_size_y,
       0, kBucketCountForLocation, kBucketCountForLocation + 1);
 
   if (event.type() == ui::ET_TOUCH_PRESSED) {
     Shell::GetInstance()->metrics()->RecordUserMetricsAction(
         UMA_TOUCHSCREEN_TAP_DOWN);
 
     details->last_start_time_[event.touch_id()] = event.time_stamp();
     details->start_touch_position_[event.touch_id()] = event.root_location();
-    details->last_touch_position_[event.touch_id()] = event.location();
+    details->last_touch_position_[event.touch_id()] =
+        gfx::ToFlooredPoint(event.location());
     details->max_distance_from_start_squared_ = 0;
 
     if (details->last_release_time_.ToInternalValue()) {
       // Measuring the interval between a touch-release and the next
       // touch-start is probably less useful when doing multi-touch (e.g.
       // gestures, or multi-touch friendly apps). So count this only if the user
       // hasn't done any multi-touch during the last 30 seconds.
       base::TimeDelta diff = event.time_stamp() - details->last_mt_time_;
       if (diff.InSeconds() > 30) {
         base::TimeDelta gap = event.time_stamp() - details->last_release_time_;
@@ skipping 50 matching lines @@
       base::TimeDelta move_delay = event.time_stamp() -
                                    details->last_move_time_[event.touch_id()];
       UMA_HISTOGRAM_CUSTOM_COUNTS("Ash.TouchMoveInterval",
                                   move_delay.InMilliseconds(),
                                   1, 50, 25);
     }
 
     UMA_HISTOGRAM_CUSTOM_COUNTS("Ash.TouchMoveSteps", distance, 1, 1000, 50);
 
     details->last_move_time_[event.touch_id()] = event.time_stamp();
-    details->last_touch_position_[event.touch_id()] = event.location();
+    details->last_touch_position_[event.touch_id()] =
+        gfx::ToFlooredPoint(event.location());
 
     float cur_dist = (details->start_touch_position_[event.touch_id()] -
                       event.root_location()).LengthSquared();
     if (cur_dist > details->max_distance_from_start_squared_)
       details->max_distance_from_start_squared_ = cur_dist;
   }
 }
 
 TouchUMA::TouchUMA()
     : is_single_finger_gesture_(false),
@@ skipping 59 matching lines @@
       return GESTURE_WEBPAGE_SCROLL;
     if (event.type() == ui::ET_GESTURE_TAP)
       return GESTURE_WEBPAGE_TAP;
     return GESTURE_UNKNOWN;
   }
 
   views::Widget* widget = views::Widget::GetWidgetForNativeView(window);
   if (!widget)
     return GESTURE_UNKNOWN;
 
-  views::View* view = widget->GetRootView()->
-      GetEventHandlerForPoint(event.location());
+  views::View* view = widget->GetRootView()->GetEventHandlerForPoint(
+      gfx::ToFlooredPoint(event.location()));
   if (!view)
     return GESTURE_UNKNOWN;
 
   name = view->GetClassName();
 
   const char kTabStrip[] = "TabStrip";
   const char kTab[] = "BrowserTab";
   if (name == kTabStrip || name == kTab) {
     if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN)
       return GESTURE_TABSTRIP_SCROLL;
@@ skipping 10 matching lines @@
       return GESTURE_OMNIBOX_SCROLL;
     if (event.type() == ui::ET_GESTURE_PINCH_BEGIN)
       return GESTURE_OMNIBOX_PINCH;
     return GESTURE_UNKNOWN;
   }
 
   return GESTURE_UNKNOWN;
 }
 
 }  // namespace ash