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// Copyright 2016 The Chromium Authors
// 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/display/screen_orientation_controller.h"
#include "ash/shell.h"
#include "base/metrics/histogram_macros.h"
#include "chromeos/ui/base/app_types.h"
#include "chromeos/ui/base/window_properties.h"
#include "ui/aura/window.h"
#include "ui/display/screen.h"
#include "ui/events/event_constants.h"
#include "ui/events/types/event_type.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
chromeos::AppType GetDestination(views::Widget* target) {
if (!target) {
return chromeos::AppType::NON_APP;
}
aura::Window* window = target->GetNativeWindow();
DCHECK(window);
return window->GetProperty(chromeos::kAppTypeKey);
}
DownEventMetric2 FindCombination(chromeos::AppType destination,
DownEventSource input_type,
DownEventFormFactor form_factor) {
constexpr int kNumCombinationPerDestination =
static_cast<int>(DownEventSource::kSourceCount) *
static_cast<int>(DownEventFormFactor::kFormFactorCount);
int result = static_cast<int>(destination) * kNumCombinationPerDestination +
static_cast<int>(DownEventFormFactor::kFormFactorCount) *
static_cast<int>(input_type) +
static_cast<int>(form_factor);
DCHECK(result >= 0 &&
result <= static_cast<int>(DownEventMetric2::kMaxValue));
return static_cast<DownEventMetric2>(result);
}
void RecordUMA(ui::EventPointerType type, ui::EventTarget* event_target) {
DCHECK_NE(type, ui::EventPointerType::kUnknown);
views::Widget* target = views::Widget::GetTopLevelWidgetForNativeView(
static_cast<aura::Window*>(event_target));
DownEventFormFactor form_factor = DownEventFormFactor::kClamshell;
if (display::Screen::GetScreen()->InTabletMode()) {
chromeos::OrientationType screen_orientation =
Shell::Get()->screen_orientation_controller()->GetCurrentOrientation();
if (screen_orientation == chromeos::OrientationType::kLandscapePrimary ||
screen_orientation == chromeos::OrientationType::kLandscapeSecondary) {
form_factor = DownEventFormFactor::kTabletModeLandscape;
} else {
form_factor = DownEventFormFactor::kTabletModePortrait;
}
}
DownEventSource input_type = DownEventSource::kUnknown;
switch (type) {
case ui::EventPointerType::kUnknown:
return;
case ui::EventPointerType::kMouse:
input_type = DownEventSource::kMouse;
break;
case ui::EventPointerType::kPen:
input_type = DownEventSource::kStylus;
break;
case ui::EventPointerType::kTouch:
input_type = DownEventSource::kTouch;
break;
case ui::EventPointerType::kEraser:
input_type = DownEventSource::kStylus;
break;
}
UMA_HISTOGRAM_ENUMERATION(
"Event.DownEventCount.PerInputFormFactorDestinationCombination2",
FindCombination(GetDestination(target), input_type, form_factor));
}
} // namespace
PointerMetricsRecorder::PointerMetricsRecorder() {
Shell::Get()->AddPreTargetHandler(this);
}
PointerMetricsRecorder::~PointerMetricsRecorder() {
Shell::Get()->RemovePreTargetHandler(this);
}
void PointerMetricsRecorder::OnMouseEvent(ui::MouseEvent* event) {
if (event->type() == ui::EventType::kMousePressed) {
RecordUMA(event->pointer_details().pointer_type, event->target());
}
}
void PointerMetricsRecorder::OnTouchEvent(ui::TouchEvent* event) {
if (event->type() == ui::EventType::kTouchPressed) {
RecordUMA(event->pointer_details().pointer_type, event->target());
}
}
} // namespace ash
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