ash/wm/panels/panel_window_event_handler.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/wm/panels/panel_window_event_handler.h"
   6
   7 #include "ash/metrics/user_metrics_recorder.h"
   8 #include "ash/shell.h"
   9 #include "ash/wm/window_state.h"
  10 #include "ui/aura/window.h"
  11 #include "ui/aura/window_delegate.h"
  12 #include "ui/base/hit_test.h"
  13 #include "ui/events/event.h"
  14
  15 namespace ash {
  16
  17 PanelWindowEventHandler::PanelWindowEventHandler() {
  18 }
  19
  20 PanelWindowEventHandler::~PanelWindowEventHandler() {
  21 }
  22
  23 void PanelWindowEventHandler::OnMouseEvent(ui::MouseEvent* event) {
  24   aura::Window* target = static_cast<aura::Window*>(event->target());
  25   if (!event->handled() &&
  26       event->type() == ui::ET_MOUSE_PRESSED &&
  27       event->flags() & ui::EF_IS_DOUBLE_CLICK &&
  28       event->IsOnlyLeftMouseButton() &&
  29       target->delegate()->GetNonClientComponent(event->location()) ==
  30           HTCAPTION) {
  31     ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
  32         ash::UMA_PANEL_MINIMIZE_CAPTION_CLICK);
  33     wm::GetWindowState(target)->Minimize();
  34     event->StopPropagation();
  35     return;
  36   }
  37 }
  38
  39 void PanelWindowEventHandler::OnGestureEvent(ui::GestureEvent* event) {
  40   aura::Window* target = static_cast<aura::Window*>(event->target());
  41   if (!event->handled() &&
  42       event->type() == ui::ET_GESTURE_TAP &&
  43       event->details().tap_count() == 2 &&
  44       target->delegate()->GetNonClientComponent(event->location()) ==
  45           HTCAPTION) {
  46     ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
  47         ash::UMA_PANEL_MINIMIZE_CAPTION_GESTURE);
  48     wm::GetWindowState(target)->Minimize();
  49     event->StopPropagation();
  50     return;
  51   }
  52 }
  53
  54 }  // namespace ash