Adding momentum/overscroll to views:: ScrollViews

ui/events/event.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 "ui/events/event.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 
@@ skipping 1210 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // ScrollEvent
 
 ScrollEvent::ScrollEvent(const base::NativeEvent& native_event)
     : MouseEvent(native_event),
       x_offset_(0.0f),
       y_offset_(0.0f),
       x_offset_ordinal_(0.0f),
       y_offset_ordinal_(0.0f),
-      finger_count_(0) {
+      finger_count_(0),
+      momentum_phase_(EM_PHASE_NONE) {
   if (type() == ET_SCROLL) {
-    GetScrollOffsets(native_event,
-                     &x_offset_, &y_offset_,
-                     &x_offset_ordinal_, &y_offset_ordinal_,
-                     &finger_count_);
+    GetScrollOffsets(native_event, &x_offset_, &y_offset_, &x_offset_ordinal_,
+                     &y_offset_ordinal_, &finger_count_, &momentum_phase_);
   } else if (type() == ET_SCROLL_FLING_START ||
              type() == ET_SCROLL_FLING_CANCEL) {
     GetFlingData(native_event,
                  &x_offset_, &y_offset_,
                  &x_offset_ordinal_, &y_offset_ordinal_,
                  NULL);
   } else {
     NOTREACHED() << "Unexpected event type " << type()
         << " when constructing a ScrollEvent.";
   }
@@ skipping 38 matching lines @@
                    gfx::PointF(x, y),
                    time_stamp,
                    flags | EF_FROM_TOUCH),
       details_(details),
       unique_touch_event_id_(unique_touch_event_id) {}
 
 GestureEvent::~GestureEvent() {
 }
 
 }  // namespace ui