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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
      6 
      7 #include "base/logging.h"
      8 
      9 namespace content {
     10 namespace {
     11 
     12 const int kDefaultSpeedInPixelsS = 800;
     13 
     14 }  // namespace
     15 
     16 SyntheticSmoothScrollGestureParams::SyntheticSmoothScrollGestureParams()
     17     : prevent_fling(true), speed_in_pixels_s(kDefaultSpeedInPixelsS) {}
     18 
     19 SyntheticSmoothScrollGestureParams::SyntheticSmoothScrollGestureParams(
     20       const SyntheticSmoothScrollGestureParams& other)
     21     : SyntheticGestureParams(other),
     22       anchor(other.anchor),
     23       distances(other.distances),
     24       prevent_fling(other.prevent_fling),
     25       speed_in_pixels_s(other.speed_in_pixels_s) {}
     26 
     27 SyntheticSmoothScrollGestureParams::~SyntheticSmoothScrollGestureParams() {}
     28 
     29 SyntheticGestureParams::GestureType
     30 SyntheticSmoothScrollGestureParams::GetGestureType() const {
     31   return SMOOTH_SCROLL_GESTURE;
     32 }
     33 
     34 const SyntheticSmoothScrollGestureParams*
     35 SyntheticSmoothScrollGestureParams::Cast(
     36     const SyntheticGestureParams* gesture_params) {
     37   DCHECK(gesture_params);
     38   DCHECK_EQ(SMOOTH_SCROLL_GESTURE, gesture_params->GetGestureType());
     39   return static_cast<const SyntheticSmoothScrollGestureParams*>(gesture_params);
     40 }
     41 
     42 }  // namespace content
     43