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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/metrics/user_metrics.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_(base::DefaultTickClock::GetInstance()) {}
- ShelfButtonPressedMetricTracker::~ShelfButtonPressedMetricTracker() = default;
- void ShelfButtonPressedMetricTracker::ButtonPressed(
- const ui::Event& event,
- const views::Button* sender,
- ShelfAction performed_action) {
- RecordButtonPressedSource(event);
- RecordButtonPressedAction(performed_action);
- switch (performed_action) {
- case SHELF_ACTION_WINDOW_MINIMIZED:
- SetMinimizedData(sender);
- break;
- case SHELF_ACTION_WINDOW_ACTIVATED:
- if (IsSubsequentActivationEvent(sender))
- RecordTimeBetweenMinimizedAndActivated();
- break;
- default:
- break;
- }
- if (performed_action != SHELF_ACTION_WINDOW_MINIMIZED)
- ResetMinimizedData();
- }
- void ShelfButtonPressedMetricTracker::RecordButtonPressedSource(
- const ui::Event& event) {
- // NOTE: These metrics are called "launcher" instead of "shelf" because the
- // original name of the shelf UI was "launcher".
- if (event.IsMouseEvent()) {
- base::RecordAction(base::UserMetricsAction("Launcher_ButtonPressed_Mouse"));
- } else if (event.IsGestureEvent()) {
- base::RecordAction(base::UserMetricsAction("Launcher_ButtonPressed_Touch"));
- }
- }
- void ShelfButtonPressedMetricTracker::RecordButtonPressedAction(
- ShelfAction performed_action) {
- switch (performed_action) {
- case SHELF_ACTION_NONE:
- case SHELF_ACTION_APP_LIST_SHOWN:
- case SHELF_ACTION_APP_LIST_DISMISSED:
- case SHELF_ACTION_APP_LIST_BACK:
- break;
- case SHELF_ACTION_NEW_WINDOW_CREATED:
- base::RecordAction(base::UserMetricsAction("Launcher_LaunchTask"));
- Shell::Get()->metrics()->task_switch_metrics_recorder().OnTaskSwitch(
- TaskSwitchSource::SHELF);
- break;
- case SHELF_ACTION_WINDOW_ACTIVATED:
- base::RecordAction(base::UserMetricsAction("Launcher_SwitchTask"));
- Shell::Get()->metrics()->task_switch_metrics_recorder().OnTaskSwitch(
- TaskSwitchSource::SHELF);
- break;
- case SHELF_ACTION_WINDOW_MINIMIZED:
- base::RecordAction(base::UserMetricsAction("Launcher_MinimizeTask"));
- 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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