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1 // Copyright 2016 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/metrics/pointer_metrics_recorder.h" | |
6 | |
7 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h" | |
8 #include "ash/common/wm_lookup.h" | |
9 #include "ash/common/wm_shell.h" | |
10 #include "ash/common/wm_window.h" | |
11 #include "ash/shared/app_types.h" | |
12 #include "base/metrics/histogram_macros.h" | |
13 #include "ui/aura/client/aura_constants.h" | |
14 #include "ui/events/event_constants.h" | |
15 #include "ui/views/widget/widget.h" | |
16 | |
17 namespace ash { | |
18 | |
19 namespace { | |
20 | |
21 // Form factor of the down event. This enum is used to back an UMA histogram | |
22 // and should be treated as append-only. | |
23 enum class DownEventFormFactor { | |
24 CLAM_SHELL = 0, | |
Daniel Erat
2016/09/27 19:15:10
nit: "CLAMSHELL" instead of "CLAM_SHELL" (since it
xiaoyinh(OOO Sep 11-29)
2016/09/29 20:37:43
Done.
| |
25 TOUCH_VIEW, | |
26 FORM_FACTOR_COUNT, | |
27 }; | |
28 | |
29 // Input type of the down event. This enum is used to back an UMA | |
30 // histogram and should be treated as append-only. | |
31 enum class DownEventSource { | |
32 UNKNOWN = 0, | |
33 MOUSE, | |
34 STYLUS, | |
35 TOUCH, | |
36 SOURCE_COUNT, | |
37 }; | |
38 | |
39 void RecordUMA(ui::EventPointerType type, views::Widget* target) { | |
40 DownEventFormFactor form_factor = DownEventFormFactor::CLAM_SHELL; | |
41 if (ash::WmShell::Get() | |
42 ->maximize_mode_controller() | |
43 ->IsMaximizeModeWindowManagerEnabled()) { | |
44 form_factor = DownEventFormFactor::TOUCH_VIEW; | |
45 } | |
46 UMA_HISTOGRAM_ENUMERATION( | |
47 "Event.DownEventCount.PerFormFactor", | |
48 static_cast<base::HistogramBase::Sample>(form_factor), | |
49 static_cast<base::HistogramBase::Sample>( | |
50 DownEventFormFactor::FORM_FACTOR_COUNT)); | |
51 | |
52 DownEventSource input_type = DownEventSource::UNKNOWN; | |
53 switch (type) { | |
54 case ui::EventPointerType::POINTER_TYPE_UNKNOWN: | |
55 input_type = DownEventSource::UNKNOWN; | |
56 break; | |
57 case ui::EventPointerType::POINTER_TYPE_MOUSE: | |
58 input_type = DownEventSource::MOUSE; | |
59 break; | |
60 case ui::EventPointerType::POINTER_TYPE_PEN: | |
61 input_type = DownEventSource::STYLUS; | |
62 break; | |
63 case ui::EventPointerType::POINTER_TYPE_TOUCH: | |
64 input_type = DownEventSource::TOUCH; | |
65 break; | |
66 case ui::EventPointerType::POINTER_TYPE_ERASER: | |
67 input_type = DownEventSource::STYLUS; | |
68 break; | |
69 } | |
70 | |
71 UMA_HISTOGRAM_ENUMERATION( | |
72 "Event.DownEventCount.PerInput", | |
73 static_cast<base::HistogramBase::Sample>(input_type), | |
74 static_cast<base::HistogramBase::Sample>(DownEventSource::SOURCE_COUNT)); | |
75 | |
76 if (!target) | |
77 return; | |
78 | |
79 aura::Window* window = target->GetNativeWindow(); | |
80 DCHECK(window); | |
81 | |
82 int window_type = window->GetProperty(aura::client::kAppType); | |
83 UMA_HISTOGRAM_ENUMERATION( | |
84 "Event.DownEventCount.PerDestination", window_type, | |
85 static_cast<base::HistogramBase::Sample>(AppType::APP_COUNT)); | |
86 } | |
87 | |
88 } // namespace | |
89 | |
90 PointerMetricsRecorder::PointerMetricsRecorder() { | |
91 ash::WmShell::Get()->AddPointerWatcher( | |
92 this, views::PointerWatcherEventTypes::BASIC); | |
93 } | |
94 | |
95 PointerMetricsRecorder::~PointerMetricsRecorder() { | |
96 ash::WmShell::Get()->RemovePointerWatcher(this); | |
97 } | |
98 | |
99 void PointerMetricsRecorder::OnPointerEventObserved( | |
100 const ui::PointerEvent& event, | |
101 const gfx::Point& location_in_screen, | |
102 views::Widget* target) { | |
103 if (event.type() != ui::ET_POINTER_DOWN) | |
104 return; | |
105 RecordUMA(event.pointer_details().pointer_type, target); | |
106 } | |
107 | |
108 } // namespace ash | |
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