content/common/input/synthetic_smooth_drag_gesture_params.cc

   1 // Copyright 2015 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_drag_gesture_params.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace content {
  10 namespace {
  11
  12 const float kDefaultSpeedInPixelsPerSec = 800;
  13
  14 }  // namespace
  15
  16 SyntheticSmoothDragGestureParams::SyntheticSmoothDragGestureParams()
  17     : speed_in_pixels_s(kDefaultSpeedInPixelsPerSec) {
  18 }
  19
  20 SyntheticSmoothDragGestureParams::SyntheticSmoothDragGestureParams(
  21     const SyntheticSmoothDragGestureParams& other)
  22     : SyntheticGestureParams(other),
  23       start_point(other.start_point),
  24       distances(other.distances),
  25       speed_in_pixels_s(other.speed_in_pixels_s) {
  26 }
  27
  28 SyntheticSmoothDragGestureParams::~SyntheticSmoothDragGestureParams() {
  29 }
  30
  31 SyntheticGestureParams::GestureType
  32 SyntheticSmoothDragGestureParams::GetGestureType() const {
  33   return SMOOTH_DRAG_GESTURE;
  34 }
  35
  36 const SyntheticSmoothDragGestureParams* SyntheticSmoothDragGestureParams::Cast(
  37     const SyntheticGestureParams* gesture_params) {
  38   DCHECK(gesture_params);
  39   DCHECK_EQ(SMOOTH_DRAG_GESTURE, gesture_params->GetGestureType());
  40   return static_cast<const SyntheticSmoothDragGestureParams*>(gesture_params);
  41 }
  42
  43 }  // namespace content