src/ash/wm/workspace/workspace_event_handler.cc

   1 // Copyright (c) 2012 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/workspace/workspace_event_handler.h"
   6
   7 #include "ash/metrics/user_metrics_recorder.h"
   8 #include "ash/shell.h"
   9 #include "ash/touch/touch_uma.h"
  10 #include "ash/wm/window_state.h"
  11 #include "ui/aura/window.h"
  12 #include "ui/aura/window_delegate.h"
  13 #include "ui/base/hit_test.h"
  14
  15 namespace ash {
  16 namespace internal {
  17
  18 WorkspaceEventHandler::WorkspaceEventHandler() {
  19 }
  20
  21 WorkspaceEventHandler::~WorkspaceEventHandler() {
  22 }
  23
  24 void WorkspaceEventHandler::OnMouseEvent(ui::MouseEvent* event) {
  25   if (event->handled())
  26     return;
  27   aura::Window* target = static_cast<aura::Window*>(event->target());
  28   switch (event->type()) {
  29     case ui::ET_MOUSE_MOVED: {
  30       int component =
  31           target->delegate()->GetNonClientComponent(event->location());
  32       multi_window_resize_controller_.Show(target, component,
  33                                            event->location());
  34       break;
  35     }
  36     case ui::ET_MOUSE_ENTERED:
  37       break;
  38     case ui::ET_MOUSE_CAPTURE_CHANGED:
  39     case ui::ET_MOUSE_EXITED:
  40       break;
  41     case ui::ET_MOUSE_PRESSED: {
  42       wm::WindowState* target_state = wm::GetWindowState(target);
  43       if (event->flags() & ui::EF_IS_DOUBLE_CLICK &&
  44           event->IsOnlyLeftMouseButton() &&
  45           target->delegate()->GetNonClientComponent(event->location()) ==
  46           HTCAPTION) {
  47         ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
  48             ash::UMA_TOGGLE_MAXIMIZE_CAPTION_CLICK);
  49         target_state->OnWMEvent(wm::TOGGLE_MAXIMIZE_CAPTION);
  50         event->StopPropagation();
  51       }
  52       multi_window_resize_controller_.Hide();
  53       HandleVerticalResizeDoubleClick(target_state, event);
  54       break;
  55     }
  56     default:
  57       break;
  58   }
  59 }
  60
  61 void WorkspaceEventHandler::OnGestureEvent(ui::GestureEvent* event) {
  62   if (event->handled())
  63     return;
  64   aura::Window* target = static_cast<aura::Window*>(event->target());
  65   if (event->type() == ui::ET_GESTURE_TAP &&
  66       target->delegate()->GetNonClientComponent(event->location()) ==
  67       HTCAPTION) {
  68     if (event->details().tap_count() == 2) {
  69       ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
  70           ash::UMA_TOGGLE_MAXIMIZE_CAPTION_GESTURE);
  71       // Note: TouchUMA::GESTURE_FRAMEVIEW_TAP is counted twice each time
  72       // TouchUMA::GESTURE_MAXIMIZE_DOUBLETAP is counted once.
  73       TouchUMA::GetInstance()->RecordGestureAction(
  74           TouchUMA::GESTURE_MAXIMIZE_DOUBLETAP);
  75       wm::GetWindowState(target)->OnWMEvent(wm::TOGGLE_MAXIMIZE_CAPTION);
  76       event->StopPropagation();
  77       return;
  78     } else {
  79       // Note: TouchUMA::GESTURE_FRAMEVIEW_TAP is counted twice for each tap.
  80       TouchUMA::GetInstance()->RecordGestureAction(
  81           TouchUMA::GESTURE_FRAMEVIEW_TAP);
  82     }
  83   }
  84 }
  85
  86 void WorkspaceEventHandler::HandleVerticalResizeDoubleClick(
  87     wm::WindowState* target_state,
  88     ui::MouseEvent* event) {
  89   aura::Window* target = target_state->window();
  90   if (event->flags() & ui::EF_IS_DOUBLE_CLICK) {
  91     int component =
  92         target->delegate()->GetNonClientComponent(event->location());
  93     if (component == HTBOTTOM || component == HTTOP) {
  94       Shell::GetInstance()->metrics()->RecordUserMetricsAction(
  95           UMA_TOGGLE_SINGLE_AXIS_MAXIMIZE_BORDER_CLICK);
  96       target_state->OnWMEvent(wm::TOGGLE_VERTICAL_MAXIMIZE);
  97       event->StopPropagation();
  98     } else if (component == HTLEFT || component == HTRIGHT) {
  99       Shell::GetInstance()->metrics()->RecordUserMetricsAction(
 100           UMA_TOGGLE_SINGLE_AXIS_MAXIMIZE_BORDER_CLICK);
 101       target_state->OnWMEvent(wm::TOGGLE_HORIZONTAL_MAXIMIZE);
 102       event->StopPropagation();
 103     }
 104   }
 105 }
 106
 107 }  // namespace internal
 108 }  // namespace ash