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| 1 // Copyright 2014 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/common/frame/caption_buttons/frame_size_button.h" | |
| 6 | |
| 7 #include "ash/common/wm/window_positioning_utils.h" | |
| 8 #include "ash/common/wm/window_state.h" | |
| 9 #include "ash/common/wm/wm_event.h" | |
| 10 #include "ash/common/wm/workspace/phantom_window_controller.h" | |
| 11 #include "ash/common/wm_shell.h" | |
| 12 #include "ash/common/wm_window.h" | |
| 13 #include "base/i18n/rtl.h" | |
| 14 #include "ui/gfx/geometry/vector2d.h" | |
| 15 #include "ui/views/widget/widget.h" | |
| 16 | |
| 17 namespace ash { | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 // The default delay between the user pressing the size button and the buttons | |
| 22 // adjacent to the size button morphing into buttons for snapping left and | |
| 23 // right. | |
| 24 const int kSetButtonsToSnapModeDelayMs = 150; | |
| 25 | |
| 26 // The amount that a user can overshoot one of the caption buttons while in | |
| 27 // "snap mode" and keep the button hovered/pressed. | |
| 28 const int kMaxOvershootX = 200; | |
| 29 const int kMaxOvershootY = 50; | |
| 30 | |
| 31 // Returns true if a mouse drag while in "snap mode" at |location_in_screen| | |
| 32 // would hover/press |button| or keep it hovered/pressed. | |
| 33 bool HitTestButton(const FrameCaptionButton* button, | |
| 34 const gfx::Point& location_in_screen) { | |
| 35 gfx::Rect expanded_bounds_in_screen = button->GetBoundsInScreen(); | |
| 36 if (button->state() == views::Button::STATE_HOVERED || | |
| 37 button->state() == views::Button::STATE_PRESSED) { | |
| 38 expanded_bounds_in_screen.Inset(-kMaxOvershootX, -kMaxOvershootY); | |
| 39 } | |
| 40 return expanded_bounds_in_screen.Contains(location_in_screen); | |
| 41 } | |
| 42 | |
| 43 } // namespace | |
| 44 | |
| 45 FrameSizeButton::FrameSizeButton(views::ButtonListener* listener, | |
| 46 views::Widget* frame, | |
| 47 FrameSizeButtonDelegate* delegate) | |
| 48 : FrameCaptionButton(listener, CAPTION_BUTTON_ICON_MAXIMIZE_RESTORE), | |
| 49 frame_(frame), | |
| 50 delegate_(delegate), | |
| 51 set_buttons_to_snap_mode_delay_ms_(kSetButtonsToSnapModeDelayMs), | |
| 52 in_snap_mode_(false), | |
| 53 snap_type_(SNAP_NONE) {} | |
| 54 | |
| 55 FrameSizeButton::~FrameSizeButton() {} | |
| 56 | |
| 57 bool FrameSizeButton::OnMousePressed(const ui::MouseEvent& event) { | |
| 58 // The minimize and close buttons are set to snap left and right when snapping | |
| 59 // is enabled. Do not enable snapping if the minimize button is not visible. | |
| 60 // The close button is always visible. | |
| 61 if (IsTriggerableEvent(event) && !in_snap_mode_ && | |
| 62 delegate_->IsMinimizeButtonVisible()) { | |
| 63 StartSetButtonsToSnapModeTimer(event); | |
| 64 } | |
| 65 FrameCaptionButton::OnMousePressed(event); | |
| 66 return true; | |
| 67 } | |
| 68 | |
| 69 bool FrameSizeButton::OnMouseDragged(const ui::MouseEvent& event) { | |
| 70 UpdateSnapType(event); | |
| 71 // By default a FrameCaptionButton reverts to STATE_NORMAL once the mouse | |
| 72 // leaves its bounds. Skip FrameCaptionButton's handling when | |
| 73 // |in_snap_mode_| == true because we want different behavior. | |
| 74 if (!in_snap_mode_) | |
| 75 FrameCaptionButton::OnMouseDragged(event); | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 void FrameSizeButton::OnMouseReleased(const ui::MouseEvent& event) { | |
| 80 if (!IsTriggerableEvent(event) || !CommitSnap(event)) | |
| 81 FrameCaptionButton::OnMouseReleased(event); | |
| 82 } | |
| 83 | |
| 84 void FrameSizeButton::OnMouseCaptureLost() { | |
| 85 SetButtonsToNormalMode(FrameSizeButtonDelegate::ANIMATE_YES); | |
| 86 FrameCaptionButton::OnMouseCaptureLost(); | |
| 87 } | |
| 88 | |
| 89 void FrameSizeButton::OnMouseMoved(const ui::MouseEvent& event) { | |
| 90 // Ignore any synthetic mouse moves during a drag. | |
| 91 if (!in_snap_mode_) | |
| 92 FrameCaptionButton::OnMouseMoved(event); | |
| 93 } | |
| 94 | |
| 95 void FrameSizeButton::OnGestureEvent(ui::GestureEvent* event) { | |
| 96 if (event->details().touch_points() > 1) { | |
| 97 SetButtonsToNormalMode(FrameSizeButtonDelegate::ANIMATE_YES); | |
| 98 return; | |
| 99 } | |
| 100 | |
| 101 if (event->type() == ui::ET_GESTURE_TAP_DOWN) { | |
| 102 StartSetButtonsToSnapModeTimer(*event); | |
| 103 // Go through FrameCaptionButton's handling so that the button gets pressed. | |
| 104 FrameCaptionButton::OnGestureEvent(event); | |
| 105 return; | |
| 106 } | |
| 107 | |
| 108 if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN || | |
| 109 event->type() == ui::ET_GESTURE_SCROLL_UPDATE) { | |
| 110 UpdateSnapType(*event); | |
| 111 event->SetHandled(); | |
| 112 return; | |
| 113 } | |
| 114 | |
| 115 if (event->type() == ui::ET_GESTURE_TAP || | |
| 116 event->type() == ui::ET_GESTURE_SCROLL_END || | |
| 117 event->type() == ui::ET_SCROLL_FLING_START || | |
| 118 event->type() == ui::ET_GESTURE_END) { | |
| 119 if (CommitSnap(*event)) { | |
| 120 event->SetHandled(); | |
| 121 return; | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 FrameCaptionButton::OnGestureEvent(event); | |
| 126 } | |
| 127 | |
| 128 void FrameSizeButton::StartSetButtonsToSnapModeTimer( | |
| 129 const ui::LocatedEvent& event) { | |
| 130 set_buttons_to_snap_mode_timer_event_location_ = event.location(); | |
| 131 if (set_buttons_to_snap_mode_delay_ms_ == 0) { | |
| 132 AnimateButtonsToSnapMode(); | |
| 133 } else { | |
| 134 set_buttons_to_snap_mode_timer_.Start( | |
| 135 FROM_HERE, | |
| 136 base::TimeDelta::FromMilliseconds(set_buttons_to_snap_mode_delay_ms_), | |
| 137 this, &FrameSizeButton::AnimateButtonsToSnapMode); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 void FrameSizeButton::AnimateButtonsToSnapMode() { | |
| 142 SetButtonsToSnapMode(FrameSizeButtonDelegate::ANIMATE_YES); | |
| 143 } | |
| 144 | |
| 145 void FrameSizeButton::SetButtonsToSnapMode( | |
| 146 FrameSizeButtonDelegate::Animate animate) { | |
| 147 in_snap_mode_ = true; | |
| 148 | |
| 149 // When using a right-to-left layout the close button is left of the size | |
| 150 // button and the minimize button is right of the size button. | |
| 151 if (base::i18n::IsRTL()) { | |
| 152 delegate_->SetButtonIcons(CAPTION_BUTTON_ICON_RIGHT_SNAPPED, | |
| 153 CAPTION_BUTTON_ICON_LEFT_SNAPPED, animate); | |
| 154 } else { | |
| 155 delegate_->SetButtonIcons(CAPTION_BUTTON_ICON_LEFT_SNAPPED, | |
| 156 CAPTION_BUTTON_ICON_RIGHT_SNAPPED, animate); | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 void FrameSizeButton::UpdateSnapType(const ui::LocatedEvent& event) { | |
| 161 if (!in_snap_mode_) { | |
| 162 // Set the buttons adjacent to the size button to snap left and right early | |
| 163 // if the user drags past the drag threshold. | |
| 164 // |set_buttons_to_snap_mode_timer_| is checked to avoid entering the snap | |
| 165 // mode as a result of an unsupported drag type (e.g. only the right mouse | |
| 166 // button is pressed). | |
| 167 gfx::Vector2d delta(event.location() - | |
| 168 set_buttons_to_snap_mode_timer_event_location_); | |
| 169 if (!set_buttons_to_snap_mode_timer_.IsRunning() || | |
| 170 !views::View::ExceededDragThreshold(delta)) { | |
| 171 return; | |
| 172 } | |
| 173 AnimateButtonsToSnapMode(); | |
| 174 } | |
| 175 | |
| 176 gfx::Point event_location_in_screen(event.location()); | |
| 177 views::View::ConvertPointToScreen(this, &event_location_in_screen); | |
| 178 const FrameCaptionButton* to_hover = | |
| 179 GetButtonToHover(event_location_in_screen); | |
| 180 bool press_size_button = | |
| 181 to_hover || HitTestButton(this, event_location_in_screen); | |
| 182 | |
| 183 if (to_hover) { | |
| 184 // Progress the minimize and close icon morph animations to the end if they | |
| 185 // are in progress. | |
| 186 SetButtonsToSnapMode(FrameSizeButtonDelegate::ANIMATE_NO); | |
| 187 } | |
| 188 | |
| 189 delegate_->SetHoveredAndPressedButtons(to_hover, | |
| 190 press_size_button ? this : NULL); | |
| 191 | |
| 192 snap_type_ = SNAP_NONE; | |
| 193 if (to_hover) { | |
| 194 switch (to_hover->icon()) { | |
| 195 case CAPTION_BUTTON_ICON_LEFT_SNAPPED: | |
| 196 snap_type_ = SNAP_LEFT; | |
| 197 break; | |
| 198 case CAPTION_BUTTON_ICON_RIGHT_SNAPPED: | |
| 199 snap_type_ = SNAP_RIGHT; | |
| 200 break; | |
| 201 case CAPTION_BUTTON_ICON_MAXIMIZE_RESTORE: | |
| 202 case CAPTION_BUTTON_ICON_MINIMIZE: | |
| 203 case CAPTION_BUTTON_ICON_CLOSE: | |
| 204 case CAPTION_BUTTON_ICON_BACK: | |
| 205 case CAPTION_BUTTON_ICON_LOCATION: | |
| 206 case CAPTION_BUTTON_ICON_COUNT: | |
| 207 NOTREACHED(); | |
| 208 break; | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 if (snap_type_ == SNAP_LEFT || snap_type_ == SNAP_RIGHT) { | |
| 213 WmWindow* window = WmWindow::Get(frame_->GetNativeWindow()); | |
| 214 if (!phantom_window_controller_.get()) | |
| 215 phantom_window_controller_.reset(new PhantomWindowController(window)); | |
| 216 gfx::Rect phantom_bounds_in_parent = | |
| 217 (snap_type_ == SNAP_LEFT) | |
| 218 ? wm::GetDefaultLeftSnappedWindowBoundsInParent(window) | |
| 219 : wm::GetDefaultRightSnappedWindowBoundsInParent(window); | |
| 220 phantom_window_controller_->Show( | |
| 221 window->GetParent()->ConvertRectToScreen(phantom_bounds_in_parent)); | |
| 222 } else { | |
| 223 phantom_window_controller_.reset(); | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 const FrameCaptionButton* FrameSizeButton::GetButtonToHover( | |
| 228 const gfx::Point& event_location_in_screen) const { | |
| 229 const FrameCaptionButton* closest_button = | |
| 230 delegate_->GetButtonClosestTo(event_location_in_screen); | |
| 231 if ((closest_button->icon() == CAPTION_BUTTON_ICON_LEFT_SNAPPED || | |
| 232 closest_button->icon() == CAPTION_BUTTON_ICON_RIGHT_SNAPPED) && | |
| 233 HitTestButton(closest_button, event_location_in_screen)) { | |
| 234 return closest_button; | |
| 235 } | |
| 236 return NULL; | |
| 237 } | |
| 238 | |
| 239 bool FrameSizeButton::CommitSnap(const ui::LocatedEvent& event) { | |
| 240 // The position of |event| may be different than the position of the previous | |
| 241 // event. | |
| 242 UpdateSnapType(event); | |
| 243 | |
| 244 if (in_snap_mode_ && (snap_type_ == SNAP_LEFT || snap_type_ == SNAP_RIGHT)) { | |
| 245 WmWindow* window = WmWindow::Get(frame_->GetNativeWindow()); | |
| 246 wm::WindowState* window_state = window->GetWindowState(); | |
| 247 const wm::WMEvent snap_event(snap_type_ == SNAP_LEFT | |
| 248 ? wm::WM_EVENT_SNAP_LEFT | |
| 249 : wm::WM_EVENT_SNAP_RIGHT); | |
| 250 window_state->OnWMEvent(&snap_event); | |
| 251 WmShell::Get()->RecordUserMetricsAction( | |
| 252 snap_type_ == SNAP_LEFT ? UMA_WINDOW_MAXIMIZE_BUTTON_MAXIMIZE_LEFT | |
| 253 : UMA_WINDOW_MAXIMIZE_BUTTON_MAXIMIZE_RIGHT); | |
| 254 SetButtonsToNormalMode(FrameSizeButtonDelegate::ANIMATE_NO); | |
| 255 return true; | |
| 256 } | |
| 257 SetButtonsToNormalMode(FrameSizeButtonDelegate::ANIMATE_YES); | |
| 258 return false; | |
| 259 } | |
| 260 | |
| 261 void FrameSizeButton::SetButtonsToNormalMode( | |
| 262 FrameSizeButtonDelegate::Animate animate) { | |
| 263 in_snap_mode_ = false; | |
| 264 snap_type_ = SNAP_NONE; | |
| 265 set_buttons_to_snap_mode_timer_.Stop(); | |
| 266 delegate_->SetButtonsToNormal(animate); | |
| 267 phantom_window_controller_.reset(); | |
| 268 } | |
| 269 | |
| 270 } // namespace ash | |
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Chromium Code Reviews
Issue 2736573002:
chromeos: Move files in //ash/common to //ash, part 2 (Closed)
