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content / common / input / synthetic_pointer_action_params.h [blame]
// Copyright 2016 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_ACTION_PARAMS_H_
#define CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_ACTION_PARAMS_H_
#include "base/check_op.h"
#include "base/time/time.h"
#include "content/common/content_export.h"
#include "content/common/input/synthetic_gesture_params.h"
#include "third_party/blink/public/common/input/web_mouse_event.h"
#include "third_party/blink/public/common/input/web_touch_event.h"
#include "ui/gfx/geometry/point_f.h"
namespace content {
namespace mojom {
class SyntheticPointerActionParamsDataView;
} // namespace mojom
// It contains all the parameters to create the synthetic events of touch,
// mouse and pen inputs in SyntheticPointerAction::ForwardInputEvents function.
struct CONTENT_EXPORT SyntheticPointerActionParams {
public:
// All the pointer actions that will be dispatched together will be grouped
// in an array.
enum class PointerActionType {
NOT_INITIALIZED,
PRESS,
MOVE,
RELEASE,
CANCEL,
LEAVE,
IDLE,
POINTER_ACTION_TYPE_MAX = IDLE
};
enum class Button {
NO_BUTTON,
LEFT,
MIDDLE,
RIGHT,
BACK,
FORWARD,
BUTTON_MAX = FORWARD
};
SyntheticPointerActionParams();
explicit SyntheticPointerActionParams(PointerActionType action_type);
SyntheticPointerActionParams(const SyntheticPointerActionParams& other);
~SyntheticPointerActionParams();
void set_pointer_action_type(PointerActionType pointer_action_type) {
pointer_action_type_ = pointer_action_type;
}
void set_pointer_id(uint32_t pointer_id) { pointer_id_ = pointer_id; }
void set_position(const gfx::PointF& position) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
position_ = position;
}
void set_button(Button button) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE ||
pointer_action_type_ == PointerActionType::RELEASE ||
pointer_action_type_ == PointerActionType::CANCEL);
button_ = button;
}
void set_key_modifiers(int key_modifiers) {
DCHECK_NE(PointerActionType::IDLE, pointer_action_type_);
key_modifiers_ = key_modifiers;
}
void set_width(float width) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
width_ = width;
}
void set_height(float height) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
height_ = height;
}
void set_rotation_angle(float rotation_angle) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
rotation_angle_ = rotation_angle;
}
void set_force(float force) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
force_ = force;
}
void set_tangential_pressure(float tangential_pressure) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
tangential_pressure_ = tangential_pressure;
}
void set_tilt_x(int tilt_x) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
tilt_x_ = tilt_x;
}
void set_tilt_y(int tilt_y) {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
tilt_y_ = tilt_y;
}
void set_timestamp(base::TimeTicks timestamp) { timestamp_ = timestamp; }
void set_duration(base::TimeDelta duration) {
DCHECK_EQ(PointerActionType::IDLE, pointer_action_type_);
duration_ = duration;
}
PointerActionType pointer_action_type() const { return pointer_action_type_; }
uint32_t pointer_id() const { return pointer_id_; }
gfx::PointF position() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return position_;
}
Button button() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE ||
pointer_action_type_ == PointerActionType::RELEASE ||
pointer_action_type_ == PointerActionType::CANCEL);
return button_;
}
int key_modifiers() const {
DCHECK_NE(PointerActionType::IDLE, pointer_action_type_);
return key_modifiers_;
}
float width() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return width_;
}
float height() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return height_;
}
float rotation_angle() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return rotation_angle_;
}
float force() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return force_;
}
float tangential_pressure() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return tangential_pressure_;
}
int tilt_x() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return tilt_x_;
}
int tilt_y() const {
DCHECK(pointer_action_type_ == PointerActionType::PRESS ||
pointer_action_type_ == PointerActionType::MOVE);
return tilt_y_;
}
base::TimeTicks timestamp() const { return timestamp_; }
base::TimeDelta duration() const {
DCHECK_EQ(PointerActionType::IDLE, pointer_action_type_);
return duration_;
}
static unsigned GetWebMouseEventModifier(
SyntheticPointerActionParams::Button button);
static blink::WebMouseEvent::Button GetWebMouseEventButton(
SyntheticPointerActionParams::Button button);
static blink::WebMouseEvent::Button GetWebMouseEventButtonFromModifier(
unsigned modifiers);
private:
friend struct mojo::StructTraits<
content::mojom::SyntheticPointerActionParamsDataView,
content::SyntheticPointerActionParams>;
PointerActionType pointer_action_type_ = PointerActionType::NOT_INITIALIZED;
// The position of the pointer, where it presses or moves to.
gfx::PointF position_;
// The id of the pointer given by the users.
uint32_t pointer_id_ = 0;
Button button_ = Button::LEFT;
// “Alt“, ”Control“, ”Meta“, ”Shift“, ”CapsLock“, ”NumLock“, ”AltGraph”
// buttons are supported right now. It stores a matching modifiers defined
// in WebInputEvent class.
int key_modifiers_ = 0;
float width_ = 40.f;
float height_ = 40.f;
float rotation_angle_ = 0.f;
float force_ = 1.f;
float tangential_pressure_ = 0.f;
int tilt_x_ = 0;
int tilt_y_ = 0;
base::TimeTicks timestamp_;
// The duration of the pause action is in milliseconds.
base::TimeDelta duration_;
};
} // namespace content
#endif // CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_ACTION_PARAMS_H_