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 "ash/wm/wm_event.h" 12 #include "ui/aura/window.h" 13 #include "ui/aura/window_delegate.h" 14 #include "ui/base/hit_test.h" 15 16 namespace ash { 17 18 WorkspaceEventHandler::WorkspaceEventHandler() 19 : click_component_(HTNOWHERE) { 20 } 21 22 WorkspaceEventHandler::~WorkspaceEventHandler() { 23 } 24 25 void WorkspaceEventHandler::OnMouseEvent(ui::MouseEvent* event) { 26 aura::Window* target = static_cast<aura::Window*>(event->target()); 27 if (event->type() == ui::ET_MOUSE_PRESSED && 28 event->IsOnlyLeftMouseButton() && 29 ((event->flags() & 30 (ui::EF_IS_DOUBLE_CLICK | ui::EF_IS_TRIPLE_CLICK)) == 0)) { 31 click_component_ = target->delegate()-> 32 GetNonClientComponent(event->location()); 33 } 34 35 if (event->handled()) 36 return; 37 38 switch (event->type()) { 39 case ui::ET_MOUSE_MOVED: { 40 int component = 41 target->delegate()->GetNonClientComponent(event->location()); 42 multi_window_resize_controller_.Show(target, component, 43 event->location()); 44 break; 45 } 46 case ui::ET_MOUSE_ENTERED: 47 break; 48 case ui::ET_MOUSE_CAPTURE_CHANGED: 49 case ui::ET_MOUSE_EXITED: 50 break; 51 case ui::ET_MOUSE_PRESSED: { 52 wm::WindowState* target_state = wm::GetWindowState(target); 53 54 if (event->IsOnlyLeftMouseButton()) { 55 if (event->flags() & ui::EF_IS_DOUBLE_CLICK) { 56 int component = target->delegate()-> 57 GetNonClientComponent(event->location()); 58 if (component == HTCAPTION && 59 component == click_component_) { 60 ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction( 61 ash::UMA_TOGGLE_MAXIMIZE_CAPTION_CLICK); 62 const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION); 63 target_state->OnWMEvent(&wm_event); 64 event->StopPropagation(); 65 } 66 // WindowEventHandler can receive each event up to two times. Once a 67 // double-click has been received clear the target. Otherwise a 68 // duplicate of the event will be checking target history against 69 // itself. 70 click_component_ = HTNOWHERE; 71 } 72 } else { 73 click_component_ = HTNOWHERE; 74 } 75 76 multi_window_resize_controller_.Hide(); 77 HandleVerticalResizeDoubleClick(target_state, event); 78 break; 79 } 80 default: 81 break; 82 } 83 } 84 85 void WorkspaceEventHandler::OnGestureEvent(ui::GestureEvent* event) { 86 if (event->handled() || event->type() != ui::ET_GESTURE_TAP) 87 return; 88 89 aura::Window* target = static_cast<aura::Window*>(event->target()); 90 int previous_target_component = click_component_; 91 click_component_ = target->delegate()-> 92 GetNonClientComponent(event->location()); 93 94 if (click_component_ != HTCAPTION) 95 return; 96 97 if (event->details().tap_count() != 2) { 98 // Note: TouchUMA::GESTURE_FRAMEVIEW_TAP is counted twice for each tap. 99 TouchUMA::GetInstance()-> 100 RecordGestureAction(TouchUMA::GESTURE_FRAMEVIEW_TAP); 101 return; 102 } 103 104 if (click_component_ == previous_target_component) { 105 ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction( 106 ash::UMA_TOGGLE_MAXIMIZE_CAPTION_GESTURE); 107 // Note: TouchUMA::GESTURE_FRAMEVIEW_TAP is counted twice each time 108 // TouchUMA::GESTURE_MAXIMIZE_DOUBLETAP is counted once. 109 TouchUMA::GetInstance()->RecordGestureAction( 110 TouchUMA::GESTURE_MAXIMIZE_DOUBLETAP); 111 const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION); 112 wm::GetWindowState(target)->OnWMEvent(&wm_event); 113 event->StopPropagation(); 114 } 115 click_component_ = HTNOWHERE; 116 } 117 118 void WorkspaceEventHandler::HandleVerticalResizeDoubleClick( 119 wm::WindowState* target_state, 120 ui::MouseEvent* event) { 121 aura::Window* target = target_state->window(); 122 if (event->flags() & ui::EF_IS_DOUBLE_CLICK) { 123 int component = 124 target->delegate()->GetNonClientComponent(event->location()); 125 if (component == HTBOTTOM || component == HTTOP) { 126 Shell::GetInstance()->metrics()->RecordUserMetricsAction( 127 UMA_TOGGLE_SINGLE_AXIS_MAXIMIZE_BORDER_CLICK); 128 const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE); 129 target_state->OnWMEvent(&wm_event); 130 event->StopPropagation(); 131 } else if (component == HTLEFT || component == HTRIGHT) { 132 Shell::GetInstance()->metrics()->RecordUserMetricsAction( 133 UMA_TOGGLE_SINGLE_AXIS_MAXIMIZE_BORDER_CLICK); 134 const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE); 135 target_state->OnWMEvent(&wm_event); 136 event->StopPropagation(); 137 } 138 } 139 } 140 141 } // namespace ash 142