content/common/input/synthetic_pinch_gesture_params.cc

   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_pinch_gesture_params.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace content {
  10
  11 SyntheticPinchGestureParams::SyntheticPinchGestureParams()
  12     : scale_factor(1.0f),
  13       relative_pointer_speed_in_pixels_s(500) {}
  14
  15 SyntheticPinchGestureParams::SyntheticPinchGestureParams(
  16     const SyntheticPinchGestureParams& other)
  17     : SyntheticGestureParams(other),
  18       scale_factor(other.scale_factor),
  19       anchor(other.anchor),
  20       relative_pointer_speed_in_pixels_s(
  21           other.relative_pointer_speed_in_pixels_s) {}
  22
  23 SyntheticPinchGestureParams::~SyntheticPinchGestureParams() {}
  24
  25 SyntheticGestureParams::GestureType
  26 SyntheticPinchGestureParams::GetGestureType() const {
  27   return PINCH_GESTURE;
  28 }
  29
  30 const SyntheticPinchGestureParams* SyntheticPinchGestureParams::Cast(
  31     const SyntheticGestureParams* gesture_params) {
  32   DCHECK(gesture_params);
  33   DCHECK_EQ(PINCH_GESTURE, gesture_params->GetGestureType());
  34   return static_cast<const SyntheticPinchGestureParams*>(gesture_params);
  35 }
  36
  37 }  // namespace content