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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.
#include "ui/events/gesture_detection/gesture_touch_uma_histogram.h"
#include "base/metrics/histogram.h"
namespace ui {
GestureTouchUMAHistogram::GestureTouchUMAHistogram()
: max_distance_from_start_squared_(0), is_single_finger_(true) {
}
GestureTouchUMAHistogram::~GestureTouchUMAHistogram() {
}
void GestureTouchUMAHistogram::RecordGestureEvent(
const GestureEventData& gesture) {
UMA_HISTOGRAM_ENUMERATION(
"Event.GestureCreated", UMAEventTypeFromEvent(gesture), UMA_ET_COUNT);
}
void GestureTouchUMAHistogram::RecordTouchEvent(const MotionEvent& event) {
if (event.GetAction() == MotionEvent::ACTION_DOWN) {
start_time_ = event.GetEventTime();
start_touch_position_ = gfx::Point(event.GetX(), event.GetY());
is_single_finger_ = true;
max_distance_from_start_squared_ = 0;
} else if (event.GetAction() == MotionEvent::ACTION_MOVE &&
is_single_finger_) {
float cur_dist = (start_touch_position_ -
gfx::Point(event.GetX(), event.GetY())).LengthSquared();
if (cur_dist > max_distance_from_start_squared_)
max_distance_from_start_squared_ = cur_dist;
} else {
if (event.GetAction() == MotionEvent::ACTION_UP && is_single_finger_) {
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Event.TouchMaxDistance",
static_cast<int>(sqrt(max_distance_from_start_squared_)),
0,
1500,
50);
base::TimeDelta duration = event.GetEventTime() - start_time_;
UMA_HISTOGRAM_TIMES("Event.TouchDuration", duration);
}
is_single_finger_ = false;
}
}
UMAEventType GestureTouchUMAHistogram::UMAEventTypeFromEvent(
const GestureEventData& gesture) {
switch (gesture.type()) {
case ET_TOUCH_RELEASED:
return UMA_ET_TOUCH_RELEASED;
case ET_TOUCH_PRESSED:
return UMA_ET_TOUCH_PRESSED;
case ET_TOUCH_MOVED:
return UMA_ET_TOUCH_MOVED;
case ET_TOUCH_CANCELLED:
return UMA_ET_TOUCH_CANCELLED;
case ET_GESTURE_SCROLL_BEGIN:
return UMA_ET_GESTURE_SCROLL_BEGIN;
case ET_GESTURE_SCROLL_END:
return UMA_ET_GESTURE_SCROLL_END;
case ET_GESTURE_SCROLL_UPDATE: {
int touch_points = gesture.details.touch_points();
if (touch_points == 1)
return UMA_ET_GESTURE_SCROLL_UPDATE;
else if (touch_points == 2)
return UMA_ET_GESTURE_SCROLL_UPDATE_2;
else if (touch_points == 3)
return UMA_ET_GESTURE_SCROLL_UPDATE_3;
return UMA_ET_GESTURE_SCROLL_UPDATE_4P;
}
case ET_GESTURE_TAP: {
int tap_count = gesture.details.tap_count();
if (tap_count == 1)
return UMA_ET_GESTURE_TAP;
if (tap_count == 2)
return UMA_ET_GESTURE_DOUBLE_TAP;
if (tap_count == 3)
return UMA_ET_GESTURE_TRIPLE_TAP;
NOTREACHED() << "Received tap with tapcount " << tap_count;
return UMA_ET_UNKNOWN;
}
case ET_GESTURE_TAP_DOWN:
return UMA_ET_GESTURE_TAP_DOWN;
case ET_GESTURE_BEGIN:
return UMA_ET_GESTURE_BEGIN;
case ET_GESTURE_END:
return UMA_ET_GESTURE_END;
case ET_GESTURE_TWO_FINGER_TAP:
return UMA_ET_GESTURE_TWO_FINGER_TAP;
case ET_GESTURE_PINCH_BEGIN:
return UMA_ET_GESTURE_PINCH_BEGIN;
case ET_GESTURE_PINCH_END:
return UMA_ET_GESTURE_PINCH_END;
case ET_GESTURE_PINCH_UPDATE: {
int touch_points = gesture.details.touch_points();
if (touch_points >= 4)
return UMA_ET_GESTURE_PINCH_UPDATE_4P;
else if (touch_points == 3)
return UMA_ET_GESTURE_PINCH_UPDATE_3;
return UMA_ET_GESTURE_PINCH_UPDATE;
}
case ET_GESTURE_LONG_PRESS:
return UMA_ET_GESTURE_LONG_PRESS;
case ET_GESTURE_LONG_TAP:
return UMA_ET_GESTURE_LONG_TAP;
case ET_GESTURE_SWIPE: {
int touch_points = gesture.details.touch_points();
if (touch_points == 1)
return UMA_ET_GESTURE_SWIPE_1;
else if (touch_points == 2)
return UMA_ET_GESTURE_SWIPE_2;
else if (touch_points == 3)
return UMA_ET_GESTURE_SWIPE_3;
return UMA_ET_GESTURE_SWIPE_4P;
}
case ET_GESTURE_WIN8_EDGE_SWIPE:
return UMA_ET_GESTURE_WIN8_EDGE_SWIPE;
case ET_GESTURE_TAP_CANCEL:
return UMA_ET_GESTURE_TAP_CANCEL;
case ET_GESTURE_SHOW_PRESS:
return UMA_ET_GESTURE_SHOW_PRESS;
case ET_SCROLL:
return UMA_ET_SCROLL;
case ET_SCROLL_FLING_START:
return UMA_ET_SCROLL_FLING_START;
case ET_SCROLL_FLING_CANCEL:
return UMA_ET_SCROLL_FLING_CANCEL;
case ET_GESTURE_TAP_UNCONFIRMED:
return UMA_ET_GESTURE_TAP_UNCONFIRMED;
case ET_GESTURE_DOUBLE_TAP:
return UMA_ET_GESTURE_DOUBLE_TAP;
default:
NOTREACHED();
return UMA_ET_UNKNOWN;
}
}
} // namespace ui
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