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// Copyright 2015 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 "ash/shelf/shelf_button_pressed_metric_tracker.h"
#include "ash/metrics/user_metrics_recorder.h"
#include "ash/shell.h"
#include "base/metrics/histogram_macros.h"
#include "base/time/default_tick_clock.h"
#include "ui/views/controls/button/button.h"
namespace ash {
const char ShelfButtonPressedMetricTracker::
kTimeBetweenWindowMinimizedAndActivatedActionsHistogramName[] =
"Ash.Shelf.TimeBetweenWindowMinimizedAndActivatedActions";
ShelfButtonPressedMetricTracker::ShelfButtonPressedMetricTracker()
: tick_clock_(new base::DefaultTickClock()),
time_of_last_minimize_(base::TimeTicks()),
last_minimized_source_button_(nullptr) {
}
ShelfButtonPressedMetricTracker::~ShelfButtonPressedMetricTracker() {
}
void ShelfButtonPressedMetricTracker::ButtonPressed(
const ui::Event& event,
const views::Button* sender,
ShelfItemDelegate::PerformedAction performed_action) {
RecordButtonPressedSource(event);
RecordButtonPressedAction(performed_action);
switch (performed_action) {
case ShelfItemDelegate::kExistingWindowMinimized:
SetMinimizedData(sender);
break;
case ShelfItemDelegate::kExistingWindowActivated:
if (IsSubsequentActivationEvent(sender))
RecordTimeBetweenMinimizedAndActivated();
break;
default:
break;
}
if (performed_action != ShelfItemDelegate::kExistingWindowMinimized)
ResetMinimizedData();
}
void ShelfButtonPressedMetricTracker::RecordButtonPressedSource(
const ui::Event& event) {
if (event.IsMouseEvent()) {
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
UMA_LAUNCHER_BUTTON_PRESSED_WITH_MOUSE);
} else if (event.IsGestureEvent()) {
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
UMA_LAUNCHER_BUTTON_PRESSED_WITH_TOUCH);
}
}
void ShelfButtonPressedMetricTracker::RecordButtonPressedAction(
ShelfItemDelegate::PerformedAction performed_action) {
switch (performed_action) {
case ShelfItemDelegate::kNoAction:
case ShelfItemDelegate::kAppListMenuShown:
break;
case ShelfItemDelegate::kNewWindowCreated:
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
UMA_LAUNCHER_LAUNCH_TASK);
break;
case ShelfItemDelegate::kExistingWindowActivated:
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
UMA_LAUNCHER_SWITCH_TASK);
break;
case ShelfItemDelegate::kExistingWindowMinimized:
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
UMA_LAUNCHER_MINIMIZE_TASK);
break;
}
}
void ShelfButtonPressedMetricTracker::RecordTimeBetweenMinimizedAndActivated() {
UMA_HISTOGRAM_TIMES(
kTimeBetweenWindowMinimizedAndActivatedActionsHistogramName,
tick_clock_->NowTicks() - time_of_last_minimize_);
}
bool ShelfButtonPressedMetricTracker::IsSubsequentActivationEvent(
const views::Button* sender) const {
return time_of_last_minimize_ != base::TimeTicks() &&
last_minimized_source_button_ == sender;
}
void ShelfButtonPressedMetricTracker::SetMinimizedData(
const views::Button* sender) {
last_minimized_source_button_ = sender;
time_of_last_minimize_ = tick_clock_->NowTicks();
}
void ShelfButtonPressedMetricTracker::ResetMinimizedData() {
last_minimized_source_button_ = nullptr;
time_of_last_minimize_ = base::TimeTicks();
}
} // namespace ash
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