blob: cd2b5d466ddb19c413a5f06572240ad1d166fdb3 [file] [log] [blame]
// Copyright (c) 2012 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/touch/touch_uma.h"
#include "ash/shell.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/optional.h"
#include "base/strings/stringprintf.h"
#include "ui/aura/env.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/class_property.h"
#include "ui/events/event.h"
#include "ui/events/event_utils.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/views/widget/widget.h"
namespace {
struct WindowTouchDetails {
// Last time-stamp of the last touch-end event.
base::Optional<base::TimeTicks> last_release_time_;
// Stores the time of the last touch released on this window (if there was a
// multi-touch gesture on the window, then this is the release-time of the
// last touch on the window).
base::Optional<base::TimeTicks> last_mt_time_;
};
DEFINE_OWNED_UI_CLASS_PROPERTY_KEY(WindowTouchDetails,
kWindowTouchDetails,
NULL);
}
DECLARE_UI_CLASS_PROPERTY_TYPE(WindowTouchDetails*);
namespace ash {
// static
TouchUMA* TouchUMA::GetInstance() {
return base::Singleton<TouchUMA>::get();
}
void TouchUMA::RecordGestureEvent(aura::Window* target,
const ui::GestureEvent& event) {
GestureActionType action = FindGestureActionType(target, event);
RecordGestureAction(action);
if (event.type() == ui::ET_GESTURE_END &&
event.details().touch_points() == 2) {
WindowTouchDetails* details = target->GetProperty(kWindowTouchDetails);
if (!details) {
LOG(ERROR) << "Window received gesture events without receiving any touch"
" events";
return;
}
details->last_mt_time_ = event.time_stamp();
}
}
void TouchUMA::RecordGestureAction(GestureActionType action) {
if (action == GESTURE_UNKNOWN || action >= GESTURE_ACTION_COUNT)
return;
UMA_HISTOGRAM_ENUMERATION("Ash.GestureTarget", action, GESTURE_ACTION_COUNT);
}
void TouchUMA::RecordTouchEvent(aura::Window* target,
const ui::TouchEvent& event) {
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Ash.TouchRadius",
static_cast<int>(std::max(event.pointer_details().radius_x,
event.pointer_details().radius_y)),
1, 500, 100);
WindowTouchDetails* details = target->GetProperty(kWindowTouchDetails);
if (!details) {
details = new WindowTouchDetails;
target->SetProperty(kWindowTouchDetails, details);
}
// Record the location of the touch points.
const int kBucketCountForLocation = 100;
const gfx::Rect bounds = target->GetRootWindow()->bounds();
const int bucket_size_x =
std::max(1, bounds.width() / kBucketCountForLocation);
const int bucket_size_y =
std::max(1, bounds.height() / kBucketCountForLocation);
gfx::Point position = event.root_location();
// Prefer raw event location (when available) over calibrated location.
if (event.HasNativeEvent()) {
position =
gfx::ToFlooredPoint(ui::EventLocationFromNative(event.native_event()));
position = gfx::ScaleToFlooredPoint(
position, 1.f / target->layer()->device_scale_factor());
}
position.set_x(std::min(bounds.width() - 1, std::max(0, position.x())));
position.set_y(std::min(bounds.height() - 1, std::max(0, position.y())));
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Ash.TouchPositionX", position.x() / bucket_size_x, 1,
kBucketCountForLocation, kBucketCountForLocation + 1);
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Ash.TouchPositionY", position.y() / bucket_size_y, 1,
kBucketCountForLocation, kBucketCountForLocation + 1);
if (event.type() == ui::ET_TOUCH_PRESSED) {
base::RecordAction(base::UserMetricsAction("Touchscreen_Down"));
if (details->last_release_time_) {
// Measuring the interval between a touch-release and the next
// touch-start is probably less useful when doing multi-touch (e.g.
// gestures, or multi-touch friendly apps). So count this only if the user
// hasn't done any multi-touch during the last 30 seconds.
base::TimeDelta diff = event.time_stamp() -
details->last_mt_time_.value_or(base::TimeTicks());
if (diff.InSeconds() > 30) {
base::TimeDelta gap = event.time_stamp() - *details->last_release_time_;
UMA_HISTOGRAM_COUNTS_10000("Ash.TouchStartAfterEnd",
gap.InMilliseconds());
}
}
} else if (event.type() == ui::ET_TOUCH_RELEASED) {
details->last_release_time_ = event.time_stamp();
}
}
TouchUMA::TouchUMA() = default;
TouchUMA::~TouchUMA() = default;
GestureActionType TouchUMA::FindGestureActionType(
aura::Window* window,
const ui::GestureEvent& event) {
if (!window || window->GetRootWindow() == window) {
if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN)
return GESTURE_BEZEL_SCROLL;
if (event.type() == ui::ET_GESTURE_BEGIN)
return GESTURE_BEZEL_DOWN;
return GESTURE_UNKNOWN;
}
std::string name = window ? window->GetName() : std::string();
const char kWallpaperView[] = "WallpaperView";
if (name == kWallpaperView) {
if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN)
return GESTURE_DESKTOP_SCROLL;
if (event.type() == ui::ET_GESTURE_PINCH_BEGIN)
return GESTURE_DESKTOP_PINCH;
return GESTURE_UNKNOWN;
}
const char kWebPage[] = "RenderWidgetHostViewAura";
if (name == kWebPage) {
if (event.type() == ui::ET_GESTURE_PINCH_BEGIN)
return GESTURE_WEBPAGE_PINCH;
if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN)
return GESTURE_WEBPAGE_SCROLL;
if (event.type() == ui::ET_GESTURE_TAP)
return GESTURE_WEBPAGE_TAP;
return GESTURE_UNKNOWN;
}
views::Widget* widget = views::Widget::GetWidgetForNativeView(window);
if (!widget)
return GESTURE_UNKNOWN;
// |widget| may be in the process of destroying if it has ownership
// views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET and |event| was
// dispatched as part of gesture state cleanup. In this case the RootView
// of |widget| may no longer exist, so check before calling into any
// RootView methods.
if (!widget->GetRootView())
return GESTURE_UNKNOWN;
views::View* view =
widget->GetRootView()->GetEventHandlerForPoint(event.location());
if (!view)
return GESTURE_UNKNOWN;
name = view->GetClassName();
const char kTabStrip[] = "TabStrip";
const char kTab[] = "BrowserTab";
if (name == kTabStrip || name == kTab) {
if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN)
return GESTURE_TABSTRIP_SCROLL;
if (event.type() == ui::ET_GESTURE_PINCH_BEGIN)
return GESTURE_TABSTRIP_PINCH;
if (event.type() == ui::ET_GESTURE_TAP)
return GESTURE_TABSTRIP_TAP;
return GESTURE_UNKNOWN;
}
const char kOmnibox[] = "BrowserOmniboxViewViews";
if (name == kOmnibox) {
if (event.type() == ui::ET_GESTURE_SCROLL_BEGIN)
return GESTURE_OMNIBOX_SCROLL;
if (event.type() == ui::ET_GESTURE_PINCH_BEGIN)
return GESTURE_OMNIBOX_PINCH;
return GESTURE_UNKNOWN;
}
return GESTURE_UNKNOWN;
}
} // namespace ash