| // Copyright 2016 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/metrics/pointer_metrics_recorder.h" |
| |
| #include "ash/public/cpp/app_types.h" |
| #include "ash/shell.h" |
| #include "ash/shell_port.h" |
| #include "ash/wm/tablet_mode/tablet_mode_controller.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "ui/aura/client/aura_constants.h" |
| #include "ui/aura/window.h" |
| #include "ui/events/event_constants.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace ash { |
| |
| namespace { |
| |
| // Form factor of the down event. This enum is used to back an UMA histogram |
| // and new values should be inserted immediately above FORM_FACTOR_COUNT. |
| enum class DownEventFormFactor { |
| CLAMSHELL = 0, |
| TABLET_MODE, |
| FORM_FACTOR_COUNT, |
| }; |
| |
| // Input type of the down event. This enum is used to back an UMA |
| // histogram and new values should be inserted immediately above SOURCE_COUNT. |
| enum class DownEventSource { |
| UNKNOWN = 0, |
| MOUSE, |
| STYLUS, |
| TOUCH, |
| SOURCE_COUNT, |
| }; |
| |
| int GetDestination(views::Widget* target) { |
| if (!target) |
| return static_cast<int>(AppType::OTHERS); |
| |
| aura::Window* window = target->GetNativeWindow(); |
| DCHECK(window); |
| return window->GetProperty(aura::client::kAppType); |
| } |
| |
| void RecordUMA(ui::EventPointerType type, views::Widget* target) { |
| DownEventFormFactor form_factor = DownEventFormFactor::CLAMSHELL; |
| if (Shell::Get() |
| ->tablet_mode_controller() |
| ->IsTabletModeWindowManagerEnabled()) { |
| form_factor = DownEventFormFactor::TABLET_MODE; |
| } |
| UMA_HISTOGRAM_ENUMERATION( |
| "Event.DownEventCount.PerFormFactor", |
| static_cast<base::HistogramBase::Sample>(form_factor), |
| static_cast<base::HistogramBase::Sample>( |
| DownEventFormFactor::FORM_FACTOR_COUNT)); |
| |
| DownEventSource input_type = DownEventSource::UNKNOWN; |
| switch (type) { |
| case ui::EventPointerType::POINTER_TYPE_UNKNOWN: |
| input_type = DownEventSource::UNKNOWN; |
| break; |
| case ui::EventPointerType::POINTER_TYPE_MOUSE: |
| input_type = DownEventSource::MOUSE; |
| break; |
| case ui::EventPointerType::POINTER_TYPE_PEN: |
| input_type = DownEventSource::STYLUS; |
| break; |
| case ui::EventPointerType::POINTER_TYPE_TOUCH: |
| input_type = DownEventSource::TOUCH; |
| break; |
| case ui::EventPointerType::POINTER_TYPE_ERASER: |
| input_type = DownEventSource::STYLUS; |
| break; |
| } |
| |
| UMA_HISTOGRAM_ENUMERATION( |
| "Event.DownEventCount.PerInput", |
| static_cast<base::HistogramBase::Sample>(input_type), |
| static_cast<base::HistogramBase::Sample>(DownEventSource::SOURCE_COUNT)); |
| |
| UMA_HISTOGRAM_ENUMERATION("Event.DownEventCount.PerDestination", |
| GetDestination(target), kAppCount); |
| } |
| |
| } // namespace |
| |
| PointerMetricsRecorder::PointerMetricsRecorder() { |
| ShellPort::Get()->AddPointerWatcher(this, |
| views::PointerWatcherEventTypes::BASIC); |
| } |
| |
| PointerMetricsRecorder::~PointerMetricsRecorder() { |
| ShellPort::Get()->RemovePointerWatcher(this); |
| } |
| |
| void PointerMetricsRecorder::OnPointerEventObserved( |
| const ui::PointerEvent& event, |
| const gfx::Point& location_in_screen, |
| gfx::NativeView target) { |
| if (event.type() == ui::ET_POINTER_DOWN) |
| RecordUMA(event.pointer_details().pointer_type, |
| views::Widget::GetTopLevelWidgetForNativeView(target)); |
| } |
| |
| } // namespace ash |