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| 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/app_list_controller.h" | |
| 6 | |
| 7 #include "ash/ash_switches.h" | |
| 8 #include "ash/root_window_controller.h" | |
| 9 #include "ash/screen_util.h" | |
| 10 #include "ash/shelf/shelf.h" | |
| 11 #include "ash/shelf/shelf_layout_manager.h" | |
| 12 #include "ash/shell.h" | |
| 13 #include "ash/shell_delegate.h" | |
| 14 #include "ash/shell_window_ids.h" | |
| 15 #include "ash/wm/maximize_mode/maximize_mode_controller.h" | |
| 16 #include "base/command_line.h" | |
| 17 #include "ui/app_list/app_list_constants.h" | |
| 18 #include "ui/app_list/app_list_switches.h" | |
| 19 #include "ui/app_list/pagination_model.h" | |
| 20 #include "ui/app_list/views/app_list_view.h" | |
| 21 #include "ui/aura/client/focus_client.h" | |
| 22 #include "ui/aura/window.h" | |
| 23 #include "ui/aura/window_event_dispatcher.h" | |
| 24 #include "ui/compositor/layer.h" | |
| 25 #include "ui/compositor/scoped_layer_animation_settings.h" | |
| 26 #include "ui/events/event.h" | |
| 27 #include "ui/gfx/transform_util.h" | |
| 28 #include "ui/keyboard/keyboard_controller.h" | |
| 29 #include "ui/views/widget/widget.h" | |
| 30 | |
| 31 namespace ash { | |
| 32 namespace { | |
| 33 | |
| 34 // Duration for show/hide animation in milliseconds. | |
| 35 const int kAnimationDurationMs = 200; | |
| 36 | |
| 37 // Offset in pixels to animation away/towards the shelf. | |
| 38 const int kAnimationOffset = 8; | |
| 39 | |
| 40 // The maximum shift in pixels when over-scroll happens. | |
| 41 const int kMaxOverScrollShift = 48; | |
| 42 | |
| 43 // The minimal anchor position offset to make sure that the bubble is still on | |
| 44 // the screen with 8 pixels spacing on the left / right. This constant is a | |
| 45 // result of minimal bubble arrow sizes and offsets. | |
| 46 const int kMinimalAnchorPositionOffset = 57; | |
| 47 | |
| 48 // The minimal margin (in pixels) around the app list when in centered mode. | |
| 49 const int kMinimalCenteredAppListMargin = 10; | |
| 50 | |
| 51 ui::Layer* GetLayer(views::Widget* widget) { | |
| 52 return widget->GetNativeView()->layer(); | |
| 53 } | |
| 54 | |
| 55 // Gets arrow location based on shelf alignment. | |
| 56 views::BubbleBorder::Arrow GetBubbleArrow(aura::Window* window) { | |
| 57 DCHECK(Shell::HasInstance()); | |
| 58 return ShelfLayoutManager::ForShelf(window)-> | |
| 59 SelectValueForShelfAlignment( | |
| 60 views::BubbleBorder::BOTTOM_CENTER, | |
| 61 views::BubbleBorder::LEFT_CENTER, | |
| 62 views::BubbleBorder::RIGHT_CENTER, | |
| 63 views::BubbleBorder::TOP_CENTER); | |
| 64 } | |
| 65 | |
| 66 // Offset given |rect| towards shelf. | |
| 67 gfx::Rect OffsetTowardsShelf(const gfx::Rect& rect, views::Widget* widget) { | |
| 68 DCHECK(Shell::HasInstance()); | |
| 69 ShelfAlignment shelf_alignment = Shell::GetInstance()->GetShelfAlignment( | |
| 70 widget->GetNativeView()->GetRootWindow()); | |
| 71 gfx::Rect offseted(rect); | |
| 72 switch (shelf_alignment) { | |
| 73 case SHELF_ALIGNMENT_BOTTOM: | |
| 74 offseted.Offset(0, kAnimationOffset); | |
| 75 break; | |
| 76 case SHELF_ALIGNMENT_LEFT: | |
| 77 offseted.Offset(-kAnimationOffset, 0); | |
| 78 break; | |
| 79 case SHELF_ALIGNMENT_RIGHT: | |
| 80 offseted.Offset(kAnimationOffset, 0); | |
| 81 break; | |
| 82 case SHELF_ALIGNMENT_TOP: | |
| 83 offseted.Offset(0, -kAnimationOffset); | |
| 84 break; | |
| 85 } | |
| 86 | |
| 87 return offseted; | |
| 88 } | |
| 89 | |
| 90 // Using |button_bounds|, determine the anchor offset so that the bubble gets | |
| 91 // shown above the shelf (used for the alternate shelf theme). | |
| 92 gfx::Vector2d GetAnchorPositionOffsetToShelf( | |
| 93 const gfx::Rect& button_bounds, views::Widget* widget) { | |
| 94 DCHECK(Shell::HasInstance()); | |
| 95 ShelfAlignment shelf_alignment = Shell::GetInstance()->GetShelfAlignment( | |
| 96 widget->GetNativeView()->GetRootWindow()); | |
| 97 gfx::Point anchor(button_bounds.CenterPoint()); | |
| 98 switch (shelf_alignment) { | |
| 99 case SHELF_ALIGNMENT_TOP: | |
| 100 case SHELF_ALIGNMENT_BOTTOM: | |
| 101 if (base::i18n::IsRTL()) { | |
| 102 int screen_width = widget->GetWorkAreaBoundsInScreen().width(); | |
| 103 return gfx::Vector2d( | |
| 104 std::min(screen_width - kMinimalAnchorPositionOffset - anchor.x(), | |
| 105 0), 0); | |
| 106 } | |
| 107 return gfx::Vector2d( | |
| 108 std::max(kMinimalAnchorPositionOffset - anchor.x(), 0), 0); | |
| 109 case SHELF_ALIGNMENT_LEFT: | |
| 110 return gfx::Vector2d( | |
| 111 0, std::max(kMinimalAnchorPositionOffset - anchor.y(), 0)); | |
| 112 case SHELF_ALIGNMENT_RIGHT: | |
| 113 return gfx::Vector2d( | |
| 114 0, std::max(kMinimalAnchorPositionOffset - anchor.y(), 0)); | |
| 115 default: | |
| 116 NOTREACHED(); | |
| 117 return gfx::Vector2d(); | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 // Gets the point at the center of the display that a particular view is on. | |
| 122 // This calculation excludes the virtual keyboard area. If the height of the | |
| 123 // display area is less than |minimum_height|, its bottom will be extended to | |
| 124 // that height (so that the app list never starts above the top of the screen). | |
| 125 gfx::Point GetCenterOfDisplayForView(const views::View* view, | |
| 126 int minimum_height) { | |
| 127 aura::Window* window = view->GetWidget()->GetNativeView(); | |
| 128 gfx::Rect bounds = ScreenUtil::GetShelfDisplayBoundsInRoot(window); | |
| 129 bounds = ScreenUtil::ConvertRectToScreen(window->GetRootWindow(), bounds); | |
| 130 | |
| 131 // If the virtual keyboard is active, subtract it from the display bounds, so | |
| 132 // that the app list is centered in the non-keyboard area of the display. | |
| 133 // (Note that work_area excludes the keyboard, but it doesn't get updated | |
| 134 // until after this function is called.) | |
| 135 keyboard::KeyboardController* keyboard_controller = | |
| 136 keyboard::KeyboardController::GetInstance(); | |
| 137 if (keyboard_controller && keyboard_controller->keyboard_visible()) | |
| 138 bounds.Subtract(keyboard_controller->current_keyboard_bounds()); | |
| 139 | |
| 140 // Apply the |minimum_height|. | |
| 141 if (bounds.height() < minimum_height) | |
| 142 bounds.set_height(minimum_height); | |
| 143 | |
| 144 return bounds.CenterPoint(); | |
| 145 } | |
| 146 | |
| 147 // Gets the minimum height of the rectangle to center the app list in. | |
| 148 int GetMinimumBoundsHeightForAppList(const app_list::AppListView* app_list) { | |
| 149 return app_list->bounds().height() + 2 * kMinimalCenteredAppListMargin; | |
| 150 } | |
| 151 | |
| 152 bool IsFullscreenAppListEnabled() { | |
| 153 #if defined(OS_CHROMEOS) | |
| 154 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 155 switches::kAshEnableFullscreenAppList) && | |
| 156 app_list::switches::IsExperimentalAppListEnabled(); | |
| 157 #else | |
| 158 return false; | |
| 159 #endif | |
| 160 } | |
| 161 | |
| 162 } // namespace | |
| 163 | |
| 164 //////////////////////////////////////////////////////////////////////////////// | |
| 165 // AppListController, public: | |
| 166 | |
| 167 AppListController::AppListController() | |
| 168 : is_visible_(false), | |
| 169 is_centered_(false), | |
| 170 view_(NULL), | |
| 171 current_apps_page_(-1), | |
| 172 should_snap_back_(false) { | |
| 173 Shell::GetInstance()->AddShellObserver(this); | |
| 174 } | |
| 175 | |
| 176 AppListController::~AppListController() { | |
| 177 // Ensures app list view goes before the controller since pagination model | |
| 178 // lives in the controller and app list view would access it on destruction. | |
| 179 if (view_) { | |
| 180 view_->GetAppsPaginationModel()->RemoveObserver(this); | |
| 181 if (view_->GetWidget()) | |
| 182 view_->GetWidget()->CloseNow(); | |
| 183 } | |
| 184 | |
| 185 Shell::GetInstance()->RemoveShellObserver(this); | |
| 186 } | |
| 187 | |
| 188 void AppListController::Show(aura::Window* window) { | |
| 189 if (is_visible_) | |
| 190 return; | |
| 191 | |
| 192 is_visible_ = true; | |
| 193 | |
| 194 // App list needs to know the new shelf layout in order to calculate its | |
| 195 // UI layout when AppListView visibility changes. | |
| 196 Shell::GetPrimaryRootWindowController()->GetShelfLayoutManager()-> | |
| 197 UpdateAutoHideState(); | |
| 198 | |
| 199 if (view_) { | |
| 200 ScheduleAnimation(); | |
| 201 } else { | |
| 202 // Note the AppListViewDelegate outlives the AppListView. For Ash, the view | |
| 203 // is destroyed when dismissed. | |
| 204 app_list::AppListView* view = new app_list::AppListView( | |
| 205 Shell::GetInstance()->delegate()->GetAppListViewDelegate()); | |
| 206 aura::Window* root_window = window->GetRootWindow(); | |
| 207 aura::Window* container = GetRootWindowController(root_window)-> | |
| 208 GetContainer(kShellWindowId_AppListContainer); | |
| 209 views::View* applist_button = | |
| 210 Shelf::ForWindow(container)->GetAppListButtonView(); | |
| 211 is_centered_ = view->ShouldCenterWindow(); | |
| 212 bool is_fullscreen = IsFullscreenAppListEnabled() && | |
| 213 Shell::GetInstance() | |
| 214 ->maximize_mode_controller() | |
| 215 ->IsMaximizeModeWindowManagerEnabled(); | |
| 216 if (is_fullscreen) { | |
| 217 view->InitAsFramelessWindow( | |
| 218 container, current_apps_page_, | |
| 219 ScreenUtil::GetDisplayWorkAreaBoundsInParent(container)); | |
| 220 } else if (is_centered_) { | |
| 221 // Note: We can't center the app list until we have its dimensions, so we | |
| 222 // init at (0, 0) and then reset its anchor point. | |
| 223 view->InitAsBubbleAtFixedLocation(container, | |
| 224 current_apps_page_, | |
| 225 gfx::Point(), | |
| 226 views::BubbleBorder::FLOAT, | |
| 227 true /* border_accepts_events */); | |
| 228 // The experimental app list is centered over the display of the app list | |
| 229 // button that was pressed (if triggered via keyboard, this is the display | |
| 230 // with the currently focused window). | |
| 231 view->SetAnchorPoint(GetCenterOfDisplayForView( | |
| 232 applist_button, GetMinimumBoundsHeightForAppList(view))); | |
| 233 } else { | |
| 234 gfx::Rect applist_button_bounds = applist_button->GetBoundsInScreen(); | |
| 235 // We need the location of the button within the local screen. | |
| 236 applist_button_bounds = ScreenUtil::ConvertRectFromScreen( | |
| 237 root_window, | |
| 238 applist_button_bounds); | |
| 239 view->InitAsBubbleAttachedToAnchor( | |
| 240 container, | |
| 241 current_apps_page_, | |
| 242 Shelf::ForWindow(container)->GetAppListButtonView(), | |
| 243 GetAnchorPositionOffsetToShelf( | |
| 244 applist_button_bounds, | |
| 245 Shelf::ForWindow(container)->GetAppListButtonView()->GetWidget()), | |
| 246 GetBubbleArrow(container), | |
| 247 true /* border_accepts_events */); | |
| 248 view->SetArrowPaintType(views::BubbleBorder::PAINT_NONE); | |
| 249 } | |
| 250 SetView(view); | |
| 251 // By setting us as DnD recipient, the app list knows that we can | |
| 252 // handle items. | |
| 253 SetDragAndDropHostOfCurrentAppList( | |
| 254 Shelf::ForWindow(window)->GetDragAndDropHostForAppList()); | |
| 255 } | |
| 256 // Update applist button status when app list visibility is changed. | |
| 257 Shelf::ForWindow(window)->GetAppListButtonView()->SchedulePaint(); | |
| 258 } | |
| 259 | |
| 260 void AppListController::Dismiss() { | |
| 261 if (!is_visible_) | |
| 262 return; | |
| 263 | |
| 264 // If the app list is currently visible, there should be an existing view. | |
| 265 DCHECK(view_); | |
| 266 | |
| 267 is_visible_ = false; | |
| 268 | |
| 269 // App list needs to know the new shelf layout in order to calculate its | |
| 270 // UI layout when AppListView visibility changes. | |
| 271 Shell::GetPrimaryRootWindowController() | |
| 272 ->GetShelfLayoutManager() | |
| 273 ->UpdateAutoHideState(); | |
| 274 | |
| 275 // Our widget is currently active. When the animation completes we'll hide | |
| 276 // the widget, changing activation. If a menu is shown before the animation | |
| 277 // completes then the activation change triggers the menu to close. By | |
| 278 // deactivating now we ensure there is no activation change when the | |
| 279 // animation completes and any menus stay open. | |
| 280 view_->GetWidget()->Deactivate(); | |
| 281 ScheduleAnimation(); | |
| 282 | |
| 283 // Update applist button status when app list visibility is changed. | |
| 284 Shelf::ForWindow(view_->GetWidget()->GetNativeView()) | |
| 285 ->GetAppListButtonView() | |
| 286 ->SchedulePaint(); | |
| 287 } | |
| 288 | |
| 289 bool AppListController::IsVisible() const { | |
| 290 return view_ && view_->GetWidget()->IsVisible(); | |
| 291 } | |
| 292 | |
| 293 aura::Window* AppListController::GetWindow() { | |
| 294 return is_visible_ && view_ ? view_->GetWidget()->GetNativeWindow() : NULL; | |
| 295 } | |
| 296 | |
| 297 //////////////////////////////////////////////////////////////////////////////// | |
| 298 // AppListController, private: | |
| 299 | |
| 300 void AppListController::SetDragAndDropHostOfCurrentAppList( | |
| 301 app_list::ApplicationDragAndDropHost* drag_and_drop_host) { | |
| 302 if (view_ && is_visible_) | |
| 303 view_->SetDragAndDropHostOfCurrentAppList(drag_and_drop_host); | |
| 304 } | |
| 305 | |
| 306 void AppListController::SetView(app_list::AppListView* view) { | |
| 307 DCHECK(view_ == NULL); | |
| 308 DCHECK(is_visible_); | |
| 309 | |
| 310 view_ = view; | |
| 311 views::Widget* widget = view_->GetWidget(); | |
| 312 widget->AddObserver(this); | |
| 313 keyboard::KeyboardController* keyboard_controller = | |
| 314 keyboard::KeyboardController::GetInstance(); | |
| 315 if (keyboard_controller) | |
| 316 keyboard_controller->AddObserver(this); | |
| 317 Shell::GetInstance()->AddPreTargetHandler(this); | |
| 318 Shelf::ForWindow(widget->GetNativeWindow())->AddIconObserver(this); | |
| 319 widget->GetNativeView()->GetRootWindow()->AddObserver(this); | |
| 320 aura::client::GetFocusClient(widget->GetNativeView())->AddObserver(this); | |
| 321 | |
| 322 view_->GetAppsPaginationModel()->AddObserver(this); | |
| 323 | |
| 324 view_->ShowWhenReady(); | |
| 325 } | |
| 326 | |
| 327 void AppListController::ResetView() { | |
| 328 if (!view_) | |
| 329 return; | |
| 330 | |
| 331 views::Widget* widget = view_->GetWidget(); | |
| 332 widget->RemoveObserver(this); | |
| 333 GetLayer(widget)->GetAnimator()->RemoveObserver(this); | |
| 334 keyboard::KeyboardController* keyboard_controller = | |
| 335 keyboard::KeyboardController::GetInstance(); | |
| 336 if (keyboard_controller) | |
| 337 keyboard_controller->RemoveObserver(this); | |
| 338 Shell::GetInstance()->RemovePreTargetHandler(this); | |
| 339 Shelf::ForWindow(widget->GetNativeWindow())->RemoveIconObserver(this); | |
| 340 widget->GetNativeView()->GetRootWindow()->RemoveObserver(this); | |
| 341 aura::client::GetFocusClient(widget->GetNativeView())->RemoveObserver(this); | |
| 342 | |
| 343 view_->GetAppsPaginationModel()->RemoveObserver(this); | |
| 344 | |
| 345 view_ = NULL; | |
| 346 } | |
| 347 | |
| 348 void AppListController::ScheduleAnimation() { | |
| 349 // Stop observing previous animation. | |
| 350 StopObservingImplicitAnimations(); | |
| 351 | |
| 352 views::Widget* widget = view_->GetWidget(); | |
| 353 ui::Layer* layer = GetLayer(widget); | |
| 354 layer->GetAnimator()->StopAnimating(); | |
| 355 | |
| 356 gfx::Rect target_bounds; | |
| 357 if (is_visible_) { | |
| 358 target_bounds = widget->GetWindowBoundsInScreen(); | |
| 359 widget->SetBounds(OffsetTowardsShelf(target_bounds, widget)); | |
| 360 } else { | |
| 361 target_bounds = OffsetTowardsShelf(widget->GetWindowBoundsInScreen(), | |
| 362 widget); | |
| 363 } | |
| 364 | |
| 365 ui::ScopedLayerAnimationSettings animation(layer->GetAnimator()); | |
| 366 animation.SetTransitionDuration( | |
| 367 base::TimeDelta::FromMilliseconds( | |
| 368 is_visible_ ? 0 : kAnimationDurationMs)); | |
| 369 animation.AddObserver(this); | |
| 370 | |
| 371 layer->SetOpacity(is_visible_ ? 1.0 : 0.0); | |
| 372 widget->SetBounds(target_bounds); | |
| 373 } | |
| 374 | |
| 375 void AppListController::ProcessLocatedEvent(ui::LocatedEvent* event) { | |
| 376 if (!view_ || !is_visible_) | |
| 377 return; | |
| 378 | |
| 379 // If the event happened on a menu, then the event should not close the app | |
| 380 // list. | |
| 381 aura::Window* target = static_cast<aura::Window*>(event->target()); | |
| 382 if (target) { | |
| 383 RootWindowController* root_controller = | |
| 384 GetRootWindowController(target->GetRootWindow()); | |
| 385 if (root_controller) { | |
| 386 aura::Window* menu_container = | |
| 387 root_controller->GetContainer(kShellWindowId_MenuContainer); | |
| 388 if (menu_container->Contains(target)) | |
| 389 return; | |
| 390 aura::Window* keyboard_container = root_controller->GetContainer( | |
| 391 kShellWindowId_VirtualKeyboardContainer); | |
| 392 if (keyboard_container->Contains(target)) | |
| 393 return; | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 aura::Window* window = view_->GetWidget()->GetNativeView()->parent(); | |
| 398 if (!window->Contains(target) && | |
| 399 !app_list::switches::ShouldNotDismissOnBlur()) { | |
| 400 Dismiss(); | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 void AppListController::UpdateBounds() { | |
| 405 if (!view_ || !is_visible_) | |
| 406 return; | |
| 407 | |
| 408 view_->UpdateBounds(); | |
| 409 | |
| 410 if (is_centered_) | |
| 411 view_->SetAnchorPoint(GetCenterOfDisplayForView( | |
| 412 view_, GetMinimumBoundsHeightForAppList(view_))); | |
| 413 } | |
| 414 | |
| 415 //////////////////////////////////////////////////////////////////////////////// | |
| 416 // AppListController, aura::EventFilter implementation: | |
| 417 | |
| 418 void AppListController::OnMouseEvent(ui::MouseEvent* event) { | |
| 419 if (event->type() == ui::ET_MOUSE_PRESSED) | |
| 420 ProcessLocatedEvent(event); | |
| 421 } | |
| 422 | |
| 423 void AppListController::OnGestureEvent(ui::GestureEvent* event) { | |
| 424 if (event->type() == ui::ET_GESTURE_TAP_DOWN) | |
| 425 ProcessLocatedEvent(event); | |
| 426 } | |
| 427 | |
| 428 //////////////////////////////////////////////////////////////////////////////// | |
| 429 // AppListController, aura::FocusObserver implementation: | |
| 430 | |
| 431 void AppListController::OnWindowFocused(aura::Window* gained_focus, | |
| 432 aura::Window* lost_focus) { | |
| 433 if (view_ && is_visible_) { | |
| 434 aura::Window* applist_window = view_->GetWidget()->GetNativeView(); | |
| 435 aura::Window* applist_container = applist_window->parent(); | |
| 436 | |
| 437 if (applist_container->Contains(lost_focus) && | |
| 438 (!gained_focus || !applist_container->Contains(gained_focus)) && | |
| 439 !app_list::switches::ShouldNotDismissOnBlur()) { | |
| 440 Dismiss(); | |
| 441 } | |
| 442 } | |
| 443 } | |
| 444 | |
| 445 //////////////////////////////////////////////////////////////////////////////// | |
| 446 // AppListController, aura::WindowObserver implementation: | |
| 447 void AppListController::OnWindowBoundsChanged(aura::Window* root, | |
| 448 const gfx::Rect& old_bounds, | |
| 449 const gfx::Rect& new_bounds) { | |
| 450 UpdateBounds(); | |
| 451 } | |
| 452 | |
| 453 //////////////////////////////////////////////////////////////////////////////// | |
| 454 // AppListController, ui::ImplicitAnimationObserver implementation: | |
| 455 | |
| 456 void AppListController::OnImplicitAnimationsCompleted() { | |
| 457 if (is_visible_ ) | |
| 458 view_->GetWidget()->Activate(); | |
| 459 else | |
| 460 view_->GetWidget()->Close(); | |
| 461 } | |
| 462 | |
| 463 //////////////////////////////////////////////////////////////////////////////// | |
| 464 // AppListController, views::WidgetObserver implementation: | |
| 465 | |
| 466 void AppListController::OnWidgetDestroying(views::Widget* widget) { | |
| 467 DCHECK(view_->GetWidget() == widget); | |
| 468 if (is_visible_) | |
| 469 Dismiss(); | |
| 470 ResetView(); | |
| 471 } | |
| 472 | |
| 473 //////////////////////////////////////////////////////////////////////////////// | |
| 474 // AppListController, keyboard::KeyboardControllerObserver implementation: | |
| 475 | |
| 476 void AppListController::OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) { | |
| 477 UpdateBounds(); | |
| 478 } | |
| 479 | |
| 480 //////////////////////////////////////////////////////////////////////////////// | |
| 481 // AppListController, ShellObserver implementation: | |
| 482 void AppListController::OnShelfAlignmentChanged(aura::Window* root_window) { | |
| 483 if (view_) | |
| 484 view_->SetBubbleArrow(GetBubbleArrow(view_->GetWidget()->GetNativeView())); | |
| 485 } | |
| 486 | |
| 487 void AppListController::OnMaximizeModeStarted() { | |
| 488 // The "fullscreen" app-list is initialized as in a different type of window, | |
| 489 // therefore we can't switch between the fullscreen status and the normal | |
| 490 // app-list bubble. App-list should be dismissed for the transition between | |
| 491 // maximize mode (touch-view mode) and non-maximize mode, otherwise the app | |
| 492 // list tries to behave as a bubble which leads to a crash. crbug.com/510062 | |
| 493 if (IsFullscreenAppListEnabled() && is_visible_) | |
| 494 Dismiss(); | |
| 495 } | |
| 496 | |
| 497 void AppListController::OnMaximizeModeEnded() { | |
| 498 // See the comments of OnMaximizeModeStarted(). | |
| 499 if (IsFullscreenAppListEnabled() && is_visible_) | |
| 500 Dismiss(); | |
| 501 } | |
| 502 | |
| 503 //////////////////////////////////////////////////////////////////////////////// | |
| 504 // AppListController, ShelfIconObserver implementation: | |
| 505 | |
| 506 void AppListController::OnShelfIconPositionsChanged() { | |
| 507 UpdateBounds(); | |
| 508 } | |
| 509 | |
| 510 //////////////////////////////////////////////////////////////////////////////// | |
| 511 // AppListController, PaginationModelObserver implementation: | |
| 512 | |
| 513 void AppListController::TotalPagesChanged() { | |
| 514 } | |
| 515 | |
| 516 void AppListController::SelectedPageChanged(int old_selected, | |
| 517 int new_selected) { | |
| 518 current_apps_page_ = new_selected; | |
| 519 } | |
| 520 | |
| 521 void AppListController::TransitionStarted() { | |
| 522 } | |
| 523 | |
| 524 void AppListController::TransitionChanged() { | |
| 525 // |view_| could be NULL when app list is closed with a running transition. | |
| 526 if (!view_) | |
| 527 return; | |
| 528 | |
| 529 app_list::PaginationModel* pagination_model = view_->GetAppsPaginationModel(); | |
| 530 | |
| 531 const app_list::PaginationModel::Transition& transition = | |
| 532 pagination_model->transition(); | |
| 533 if (pagination_model->is_valid_page(transition.target_page)) | |
| 534 return; | |
| 535 | |
| 536 views::Widget* widget = view_->GetWidget(); | |
| 537 ui::LayerAnimator* widget_animator = GetLayer(widget)->GetAnimator(); | |
| 538 if (!pagination_model->IsRevertingCurrentTransition()) { | |
| 539 // Update cached |view_bounds_| if it is the first over-scroll move and | |
| 540 // widget does not have running animations. | |
| 541 if (!should_snap_back_ && !widget_animator->is_animating()) | |
| 542 view_bounds_ = widget->GetWindowBoundsInScreen(); | |
| 543 | |
| 544 const int current_page = pagination_model->selected_page(); | |
| 545 const int dir = transition.target_page > current_page ? -1 : 1; | |
| 546 | |
| 547 const double progress = 1.0 - pow(1.0 - transition.progress, 4); | |
| 548 const int shift = kMaxOverScrollShift * progress * dir; | |
| 549 | |
| 550 gfx::Rect shifted(view_bounds_); | |
| 551 shifted.set_x(shifted.x() + shift); | |
| 552 | |
| 553 widget->SetBounds(shifted); | |
| 554 | |
| 555 should_snap_back_ = true; | |
| 556 } else if (should_snap_back_) { | |
| 557 should_snap_back_ = false; | |
| 558 ui::ScopedLayerAnimationSettings animation(widget_animator); | |
| 559 animation.SetTransitionDuration(base::TimeDelta::FromMilliseconds( | |
| 560 app_list::kOverscrollPageTransitionDurationMs)); | |
| 561 widget->SetBounds(view_bounds_); | |
| 562 } | |
| 563 } | |
| 564 | |
| 565 } // namespace ash | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1770993002:
wip: Refactoring Ash's AppListController, moving the bulk of the logic to chrome/browser/ui/ash/app…
Base URL: https://chromium.googlesource.com/chromium/src.git@small_5_apps