1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88

content / common / input / synthetic_pointer_driver.h [blame]

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_DRIVER_H_
#define CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_DRIVER_H_

#include <memory>

#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "content/common/input/synthetic_gesture_params.h"
#include "content/common/input/synthetic_pointer_action_params.h"

namespace content {

class SyntheticGestureTarget;

class CONTENT_EXPORT SyntheticPointerDriver {
 public:
  SyntheticPointerDriver();

  SyntheticPointerDriver(const SyntheticPointerDriver&) = delete;
  SyntheticPointerDriver& operator=(const SyntheticPointerDriver&) = delete;

  virtual ~SyntheticPointerDriver();

  static std::unique_ptr<SyntheticPointerDriver> Create(
      content::mojom::GestureSourceType gesture_source_type);
  static std::unique_ptr<SyntheticPointerDriver> Create(
      content::mojom::GestureSourceType gesture_source_type,
      bool from_devtools_debugger);

  virtual void DispatchEvent(SyntheticGestureTarget* target,
                             const base::TimeTicks& timestamp) = 0;

  virtual void Press(
      float x,
      float y,
      int index = 0,
      SyntheticPointerActionParams::Button button =
          SyntheticPointerActionParams::Button::LEFT,
      int key_modifiers = 0,
      float width = 1.f,
      float height = 1.f,
      float rotation_angle = 0.f,
      float force = 1.f,
      float tangential_pressure = 0.f,
      int tilt_x = 0,
      int tilt_y = 0,
      const base::TimeTicks& timestamp = base::TimeTicks::Now()) = 0;
  virtual void Move(float x,
                    float y,
                    int index = 0,
                    int key_modifiers = 0,
                    float width = 1.f,
                    float height = 1.f,
                    float rotation_angle = 0.f,
                    float force = 1.f,
                    float tangential_pressure = 0.f,
                    int tilt_x = 0,
                    int tilt_y = 0,
                    SyntheticPointerActionParams::Button button =
                        SyntheticPointerActionParams::Button::NO_BUTTON) = 0;
  virtual void Release(int index = 0,
                       SyntheticPointerActionParams::Button button =
                           SyntheticPointerActionParams::Button::LEFT,
                       int key_modifiers = 0) = 0;
  virtual void Cancel(int index = 0,
                      SyntheticPointerActionParams::Button button =
                          SyntheticPointerActionParams::Button::LEFT,
                      int key_modifiers = 0) = 0;
  virtual void Leave(int index = 0) = 0;

  // Check if the user inputs in the SyntheticPointerActionParams can generate
  // a valid sequence of pointer actions.
  virtual bool UserInputCheck(
      const SyntheticPointerActionParams& params) const = 0;

  virtual base::WeakPtr<SyntheticPointerDriver> AsWeakPtr() = 0;

 protected:
  bool from_devtools_debugger_ = false;
};

}  // namespace content

#endif  // CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_DRIVER_H_