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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_GESTURE_TOUCH_UMA_HISTOGRAM_H_
#define UI_EVENTS_GESTURE_DETECTION_GESTURE_TOUCH_UMA_HISTOGRAM_H_
#include "base/time/time.h"
#include "ui/events/gesture_detection/gesture_detection_export.h"
#include "ui/events/gesture_detection/gesture_event_data.h"
#include "ui/events/gesture_detection/motion_event.h"
namespace ui {
enum UMAEventType {
// WARNING: Do not change the numerical values of any of these types.
// Do not remove deprecated types - just comment them as deprecated.
UMA_ET_UNKNOWN = 0,
UMA_ET_TOUCH_RELEASED = 1,
UMA_ET_TOUCH_PRESSED = 2,
UMA_ET_TOUCH_MOVED = 3,
UMA_ET_TOUCH_STATIONARY = 4, // Deprecated. Do not remove.
UMA_ET_TOUCH_CANCELLED = 5,
UMA_ET_GESTURE_SCROLL_BEGIN = 6,
UMA_ET_GESTURE_SCROLL_END = 7,
UMA_ET_GESTURE_SCROLL_UPDATE = 8,
UMA_ET_GESTURE_TAP = 9,
UMA_ET_GESTURE_TAP_DOWN = 10,
UMA_ET_GESTURE_BEGIN = 11,
UMA_ET_GESTURE_END = 12,
UMA_ET_GESTURE_DOUBLE_TAP = 13,
UMA_ET_GESTURE_TRIPLE_TAP = 14,
UMA_ET_GESTURE_TWO_FINGER_TAP = 15,
UMA_ET_GESTURE_PINCH_BEGIN = 16,
UMA_ET_GESTURE_PINCH_END = 17,
UMA_ET_GESTURE_PINCH_UPDATE = 18,
UMA_ET_GESTURE_LONG_PRESS = 19,
UMA_ET_GESTURE_SWIPE_2 = 20, // Swipe with 2 fingers
UMA_ET_SCROLL = 21,
UMA_ET_SCROLL_FLING_START = 22,
UMA_ET_SCROLL_FLING_CANCEL = 23,
UMA_ET_GESTURE_SWIPE_3 = 24, // Swipe with 3 fingers
UMA_ET_GESTURE_SWIPE_4P = 25, // Swipe with 4+ fingers
UMA_ET_GESTURE_SCROLL_UPDATE_2 = 26,
UMA_ET_GESTURE_SCROLL_UPDATE_3 = 27,
UMA_ET_GESTURE_SCROLL_UPDATE_4P = 28,
UMA_ET_GESTURE_PINCH_UPDATE_3 = 29,
UMA_ET_GESTURE_PINCH_UPDATE_4P = 30,
UMA_ET_GESTURE_LONG_TAP = 31,
UMA_ET_GESTURE_SHOW_PRESS = 32,
UMA_ET_GESTURE_TAP_CANCEL = 33,
UMA_ET_GESTURE_WIN8_EDGE_SWIPE = 34,
UMA_ET_GESTURE_SWIPE_1 = 35, // Swipe with 1 finger
UMA_ET_GESTURE_TAP_UNCONFIRMED = 36,
// NOTE: Add new event types only immediately above this line. Make sure to
// update the UIEventType enum in tools/metrics/histograms/histograms.xml
// accordingly.
UMA_ET_COUNT
};
// Records some touch/gesture event specific details (e.g. what gestures are
// targetted to which components etc.)
class GESTURE_DETECTION_EXPORT GestureTouchUMAHistogram {
public:
GestureTouchUMAHistogram();
~GestureTouchUMAHistogram();
static void RecordGestureEvent(const ui::GestureEventData& gesture);
void RecordTouchEvent(const ui::MotionEvent& event);
private:
static UMAEventType UMAEventTypeFromEvent(const GestureEventData& gesture);
// The first finger's press time.
base::TimeTicks start_time_;
// The first finger's press location.
gfx::Point start_touch_position_;
// The maximum distance the first touch point travelled from its starting
// location in pixels.
float max_distance_from_start_squared_;
bool is_single_finger_;
};
} // namespace ui
#endif // UI_EVENTS_GESTURE_DETECTION_GESTURE_TOUCH_UMA_HISTOGRAM_H_
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