| Index: ui/events/gestures/gesture_point.h
|
| diff --git a/ui/events/gestures/gesture_point.h b/ui/events/gestures/gesture_point.h
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| deleted file mode 100644
|
| index f20cf9dc7ec1a3bd646dd0779c3094f8daf564ab..0000000000000000000000000000000000000000
|
| --- a/ui/events/gestures/gesture_point.h
|
| +++ /dev/null
|
| @@ -1,146 +0,0 @@
|
| -// Copyright (c) 2012 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_GESTURES_GESTURE_POINT_H_
|
| -#define UI_EVENTS_GESTURES_GESTURE_POINT_H_
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "ui/events/gestures/velocity_calculator.h"
|
| -#include "ui/gfx/point.h"
|
| -#include "ui/gfx/rect.h"
|
| -
|
| -namespace ui {
|
| -class TouchEvent;
|
| -
|
| -// A GesturePoint represents a single touch-point/finger during a gesture
|
| -// recognition process.
|
| -class GesturePoint {
|
| - public:
|
| - GesturePoint();
|
| - ~GesturePoint();
|
| -
|
| - // Resets various states.
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| - void Reset();
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| -
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| - void ResetVelocity();
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| -
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| - // Updates some states when a Tap gesture has been recognized for this point.
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| - void UpdateForTap();
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| -
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| - // Updates some states when a Scroll gesture has been recognized for this
|
| - // point.
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| - void UpdateForScroll();
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| -
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| - // Updates states depending on the event and the gesture-state.
|
| - void UpdateValues(const TouchEvent& event);
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| -
|
| - // Responds according to the state of the gesture point (i.e. the point can
|
| - // represent a click or scroll etc.)
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| - bool IsInClickWindow(const TouchEvent& event) const;
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| - bool IsInDoubleClickWindow(const TouchEvent& event) const;
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| - bool IsInTripleClickWindow(const TouchEvent& event) const;
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| - bool IsInFlickWindow(const TouchEvent& event);
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| - bool IsInHorizontalRailWindow() const;
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| - bool IsInVerticalRailWindow() const;
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| - bool IsInsideTouchSlopRegion(const TouchEvent& event) const;
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| - bool IsInScrollWindow(const TouchEvent& event) const;
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| - bool BreaksHorizontalRail();
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| - bool BreaksVerticalRail();
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| - bool DidScroll(const TouchEvent& event, int distance) const;
|
| -
|
| - const gfx::PointF& first_touch_position() const {
|
| - return first_touch_position_;
|
| - }
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| -
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| - double last_touch_time() const { return last_touch_time_; }
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| - const gfx::PointF& last_touch_position() const {
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| - return last_touch_position_;
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| - }
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| - float x() const { return last_touch_position_.x(); }
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| - float y() const { return last_touch_position_.y(); }
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| -
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| - // point_id_ is used to drive GestureSequence::ProcessTouchEventForGesture.
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| - // point_ids are maintained such that the set of point_ids is always
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| - // contiguous, from 0 to the number of current touches.
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| - // A lower point_id indicates that a touch occurred first.
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| - // A negative point_id indicates that the GesturePoint is not currently
|
| - // associated with a touch.
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| - void set_point_id(int point_id) { point_id_ = point_id; }
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| - int point_id() const { return point_id_; }
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| -
|
| - void set_touch_id(int touch_id) { touch_id_ = touch_id; }
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| - int touch_id() const { return touch_id_; }
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| -
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| - bool in_use() const { return point_id_ >= 0; }
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| -
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| - gfx::Vector2dF ScrollDelta() const;
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| -
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| - float XVelocity() { return velocity_calculator_.XVelocity(); }
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| - float YVelocity() { return velocity_calculator_.YVelocity(); }
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| -
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| - const gfx::RectF& enclosing_rectangle() const { return enclosing_rect_; }
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| -
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| - void set_source_device_id(int source_device_id) {
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| - source_device_id_ = source_device_id;
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| - }
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| - int source_device_id() const { return source_device_id_; }
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| -
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| - private:
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| - // Various statistical functions to manipulate gestures.
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| -
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| - bool IsInClickTimeWindow() const;
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| - bool IsInClickAggregateTimeWindow(double before, double after) const;
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| - bool IsPointInsideDoubleTapTouchSlopRegion(
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| - gfx::PointF p1, gfx::PointF p2) const;
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| - bool IsOverMinFlickSpeed();
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| -
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| - // Returns -1, 0, 1 for |v| below the negative velocity threshold,
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| - // in [-threshold, threshold] or above respectively.
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| - int ScrollVelocityDirection(float v);
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| -
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| - // The enclosing rectangle represents a rectangular touch region generated
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| - // by a sequence of ET_TOUCH_PRESSED, ET_TOUCH_MOVED, and ET_TOUCH_RELEASED
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| - // events forming a GESTURE_TAP event. The enclosing rectangle is updated
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| - // to be the union of the touch data from each of these events. It is
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| - // cleared on a ET_TOUCH_PRESSED event (i.e., at the beginning of a possible
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| - // GESTURE_TAP event) or when Reset is called.
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| - void UpdateEnclosingRectangle(const TouchEvent& event);
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| - void clear_enclosing_rectangle() { enclosing_rect_ = gfx::RectF(); }
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| -
|
| - // The position of the first touchdown event.
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| - gfx::PointF first_touch_position_;
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| - double first_touch_time_;
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| -
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| - gfx::PointF second_last_touch_position_;
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| - double second_last_touch_time_;
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| -
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| - gfx::PointF last_touch_position_;
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| - double last_touch_time_;
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| -
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| - double second_last_tap_time_;
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| - gfx::PointF second_last_tap_position_;
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| -
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| - double last_tap_time_;
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| - gfx::PointF last_tap_position_;
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| -
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| - VelocityCalculator velocity_calculator_;
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| -
|
| - int point_id_;
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| - int touch_id_;
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| -
|
| - // Represents the rectangle that encloses the circles/ellipses
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| - // generated by a sequence of touch events
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| - gfx::RectF enclosing_rect_;
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| -
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| - int source_device_id_;
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| -
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| - float max_touch_move_in_pixels_for_click_squared_;
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| - float max_distance_between_taps_for_double_tap_squared_;
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| -
|
| - DISALLOW_COPY_AND_ASSIGN(GesturePoint);
|
| -};
|
| -
|
| -} // namespace ui
|
| -
|
| -#endif // UI_EVENTS_GESTURES_GESTURE_POINT_H_
|
|
|