Index: ash/common/metrics/pointer_metrics_recorder.cc |
diff --git a/ash/common/metrics/pointer_metrics_recorder.cc b/ash/common/metrics/pointer_metrics_recorder.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4a372fd7fda26d2f331d3c4b95efba32a373f29e |
--- /dev/null |
+++ b/ash/common/metrics/pointer_metrics_recorder.cc |
@@ -0,0 +1,107 @@ |
+// 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/common/metrics/pointer_metrics_recorder.h" |
+ |
+#include "ash/common/wm/maximize_mode/maximize_mode_controller.h" |
+#include "ash/common/wm_lookup.h" |
+#include "ash/common/wm_shell.h" |
+#include "ash/common/wm_window.h" |
+#include "ash/shared/app_types.h" |
+#include "base/metrics/histogram_macros.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, |
+ TOUCH_VIEW, |
+ 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); |
+ |
+ WmWindow* window = WmLookup::Get()->GetWindowForWidget(target); |
+ DCHECK(window); |
+ return window->GetAppType(); |
+} |
+ |
+void RecordUMA(ui::EventPointerType type, views::Widget* target) { |
+ DownEventFormFactor form_factor = DownEventFormFactor::CLAMSHELL; |
+ if (ash::WmShell::Get() |
+ ->maximize_mode_controller() |
+ ->IsMaximizeModeWindowManagerEnabled()) { |
+ form_factor = DownEventFormFactor::TOUCH_VIEW; |
+ } |
+ 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() { |
+ ash::WmShell::Get()->AddPointerWatcher( |
+ this, views::PointerWatcherEventTypes::BASIC); |
+} |
+ |
+PointerMetricsRecorder::~PointerMetricsRecorder() { |
+ ash::WmShell::Get()->RemovePointerWatcher(this); |
+} |
+ |
+void PointerMetricsRecorder::OnPointerEventObserved( |
+ const ui::PointerEvent& event, |
+ const gfx::Point& location_in_screen, |
+ views::Widget* target) { |
+ if (event.type() == ui::ET_POINTER_DOWN) |
+ RecordUMA(event.pointer_details().pointer_type, target); |
+} |
+ |
+} // namespace ash |