| // 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/wm/system_gesture_event_filter.h" |
| |
| #include "ash/ash_switches.h" |
| #include "ash/metrics/user_metrics_recorder.h" |
| #include "ash/shell.h" |
| #include "ash/touch/touch_uma.h" |
| #include "ash/wm/gestures/long_press_affordance_handler.h" |
| #include "ash/wm/gestures/overview_gesture_handler.h" |
| #include "ash/wm/gestures/shelf_gesture_handler.h" |
| #include "ui/events/event.h" |
| #include "ui/events/event_constants.h" |
| |
| #if defined(OS_CHROMEOS) && defined(USE_X11) |
| #include "ui/events/x/touch_factory_x11.h" |
| #endif |
| |
| namespace ash { |
| |
| SystemGestureEventFilter::SystemGestureEventFilter() |
| : long_press_affordance_(new LongPressAffordanceHandler), |
| overview_gesture_handler_(new OverviewGestureHandler), |
| shelf_gesture_handler_(new ShelfGestureHandler()) { |
| } |
| |
| SystemGestureEventFilter::~SystemGestureEventFilter() { |
| } |
| |
| void SystemGestureEventFilter::OnMouseEvent(ui::MouseEvent* event) { |
| #if defined(OS_CHROMEOS) && defined(USE_X11) |
| if (event->type() == ui::ET_MOUSE_PRESSED && event->native_event() && |
| ui::TouchFactory::GetInstance()->IsTouchDevicePresent() && |
| Shell::GetInstance()->delegate()) { |
| Shell::GetInstance()->metrics()->RecordUserMetricsAction(UMA_MOUSE_DOWN); |
| } |
| #endif |
| } |
| |
| void SystemGestureEventFilter::OnScrollEvent(ui::ScrollEvent* event) { |
| if (overview_gesture_handler_ && |
| overview_gesture_handler_->ProcessScrollEvent(*event)) { |
| event->StopPropagation(); |
| } |
| } |
| |
| void SystemGestureEventFilter::OnTouchEvent(ui::TouchEvent* event) { |
| aura::Window* target = static_cast<aura::Window*>(event->target()); |
| ash::TouchUMA::GetInstance()->RecordTouchEvent(target, *event); |
| } |
| |
| void SystemGestureEventFilter::OnGestureEvent(ui::GestureEvent* event) { |
| aura::Window* target = static_cast<aura::Window*>(event->target()); |
| ash::TouchUMA::GetInstance()->RecordGestureEvent(target, *event); |
| long_press_affordance_->ProcessEvent(target, event); |
| |
| if (overview_gesture_handler_ && |
| overview_gesture_handler_->ProcessGestureEvent(*event)) { |
| event->StopPropagation(); |
| return; |
| } |
| |
| if (event->type() == ui::ET_GESTURE_WIN8_EDGE_SWIPE && |
| shelf_gesture_handler_->ProcessGestureEvent(*event)) { |
| // Do not stop propagation, since the immersive fullscreen controller may |
| // need to handle this event. |
| return; |
| } |
| } |
| |
| } // namespace ash |