content/common/input/synthetic_smooth_scroll_gesture_params.h

   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 #ifndef CONTENT_COMMON_INPUT_SYNTHETIC_SMOOTH_SCROLL_GESTURE_PARAMS_H_
   6 #define CONTENT_COMMON_INPUT_SYNTHETIC_SMOOTH_SCROLL_GESTURE_PARAMS_H_
   7
   8 #include <vector>
   9
  10 #include "content/common/content_export.h"
  11 #include "content/common/input/synthetic_gesture_params.h"
  12 #include "ui/gfx/geometry/point.h"
  13 #include "ui/gfx/geometry/vector2d.h"
  14
  15 namespace content {
  16
  17 struct CONTENT_EXPORT SyntheticSmoothScrollGestureParams
  18     : public SyntheticGestureParams {
  19  public:
  20   SyntheticSmoothScrollGestureParams();
  21   SyntheticSmoothScrollGestureParams(
  22       const SyntheticSmoothScrollGestureParams& other);
  23   ~SyntheticSmoothScrollGestureParams() override;
  24
  25   GestureType GetGestureType() const override;
  26
  27   gfx::PointF anchor;
  28   std::vector<gfx::Vector2dF> distances;  // Positive X/Y to scroll left/up.
  29   bool prevent_fling;  // Defaults to true.
  30   float speed_in_pixels_s;
  31
  32   static const SyntheticSmoothScrollGestureParams* Cast(
  33       const SyntheticGestureParams* gesture_params);
  34 };
  35
  36 }  // namespace content
  37
  38 #endif  // CONTENT_COMMON_INPUT_SYNTHETIC_SMOOTH_SCROLL_GESTURE_PARAMS_H_