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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "ash/periodic_metrics_recorder.h" |
| 6 |
| 7 #include "ash/shelf/shelf_layout_manager.h" |
| 8 #include "ash/shelf/shelf_view.h" |
| 9 #include "ash/shelf/shelf_widget.h" |
| 10 #include "ash/shell.h" |
| 11 #include "base/metrics/histogram.h" |
| 12 |
| 13 namespace ash { |
| 14 |
| 15 // Time in seconds between calls to "RecordMetrics". |
| 16 const int kAshPeriodicMetricsTimeInSeconds = 30 * 60; |
| 17 |
| 18 PeriodicMetricsRecorder::PeriodicMetricsRecorder() { |
| 19 timer_.Start(FROM_HERE, |
| 20 base::TimeDelta::FromSeconds(kAshPeriodicMetricsTimeInSeconds), |
| 21 this, |
| 22 &PeriodicMetricsRecorder::RecordMetrics); |
| 23 } |
| 24 |
| 25 PeriodicMetricsRecorder::~PeriodicMetricsRecorder() { |
| 26 timer_.Stop(); |
| 27 } |
| 28 |
| 29 void PeriodicMetricsRecorder::RecordMetrics() { |
| 30 internal::ShelfLayoutManager* manager = |
| 31 internal::ShelfLayoutManager::ForLauncher(Shell::GetPrimaryRootWindow()); |
| 32 if (manager) { |
| 33 UMA_HISTOGRAM_ENUMERATION("Ash.ShelfAlignmentOverTime", |
| 34 manager->SelectValueForShelfAlignment( |
| 35 internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_BOTTOM, |
| 36 internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_LEFT, |
| 37 internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_RIGHT, |
| 38 -1), |
| 39 internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_COUNT); |
| 40 } |
| 41 } |
| 42 |
| 43 } // namespace ash |
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