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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_EVENTS_GESTURE_DETECTION_UI_MOTION_EVENT_GENERIC_H_
#define UI_EVENTS_GESTURE_DETECTION_UI_MOTION_EVENT_GENERIC_H_
#include "base/basictypes.h"
#include "base/containers/stack_container.h"
#include "ui/events/gesture_detection/gesture_detection_export.h"
#include "ui/events/gesture_detection/motion_event.h"
namespace ui {
struct GESTURE_DETECTION_EXPORT PointerProperties {
PointerProperties();
PointerProperties(float x, float y);
int id;
MotionEvent::ToolType tool_type;
float x;
float y;
float raw_x;
float raw_y;
float pressure;
float touch_major;
float touch_minor;
float orientation;
};
// A generic MotionEvent implementation.
class GESTURE_DETECTION_EXPORT MotionEventGeneric : public MotionEvent {
public:
MotionEventGeneric(Action action,
base::TimeTicks event_time,
const PointerProperties& pointer);
MotionEventGeneric(const MotionEventGeneric& other);
virtual ~MotionEventGeneric();
// MotionEvent implementation.
virtual int GetId() const OVERRIDE;
virtual Action GetAction() const OVERRIDE;
virtual int GetActionIndex() const OVERRIDE;
virtual size_t GetPointerCount() const OVERRIDE;
virtual int GetPointerId(size_t pointer_index) const OVERRIDE;
virtual float GetX(size_t pointer_index) const OVERRIDE;
virtual float GetY(size_t pointer_index) const OVERRIDE;
virtual float GetRawX(size_t pointer_index) const OVERRIDE;
virtual float GetRawY(size_t pointer_index) const OVERRIDE;
virtual float GetTouchMajor(size_t pointer_index) const OVERRIDE;
virtual float GetTouchMinor(size_t pointer_index) const OVERRIDE;
virtual float GetOrientation(size_t pointer_index) const OVERRIDE;
virtual float GetPressure(size_t pointer_index) const OVERRIDE;
virtual ToolType GetToolType(size_t pointer_index) const OVERRIDE;
virtual int GetButtonState() const OVERRIDE;
virtual int GetFlags() const OVERRIDE;
virtual base::TimeTicks GetEventTime() const OVERRIDE;
virtual scoped_ptr<MotionEvent> Clone() const OVERRIDE;
virtual scoped_ptr<MotionEvent> Cancel() const OVERRIDE;
void PushPointer(const PointerProperties& pointer);
void set_action(Action action) { action_ = action; }
void set_event_time(base::TimeTicks event_time) { event_time_ = event_time; }
void set_id(int id) { id_ = id; }
void set_action_index(int action_index) { action_index_ = action_index; }
void set_button_state(int button_state) { button_state_ = button_state; }
void set_flags(int flags) { flags_ = flags; }
protected:
MotionEventGeneric();
void PopPointer();
PointerProperties& pointer(size_t index) { return pointers_[index]; }
const PointerProperties& pointer(size_t index) const {
return pointers_[index];
}
private:
enum { kTypicalMaxPointerCount = 5 };
Action action_;
base::TimeTicks event_time_;
int id_;
int action_index_;
int button_state_;
int flags_;
base::StackVector<PointerProperties, kTypicalMaxPointerCount> pointers_;
};
} // namespace ui
#endif // UI_EVENTS_GESTURE_DETECTION_UI_MOTION_EVENT_GENERIC_H_
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