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| 1 // Copyright 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/common/shelf/shelf_widget.h" | |
| 6 | |
| 7 #include "ash/animation/animation_change_type.h" | |
| 8 #include "ash/common/focus_cycler.h" | |
| 9 #include "ash/common/session/session_state_delegate.h" | |
| 10 #include "ash/common/shelf/app_list_button.h" | |
| 11 #include "ash/common/shelf/shelf_background_animator_observer.h" | |
| 12 #include "ash/common/shelf/shelf_constants.h" | |
| 13 #include "ash/common/shelf/shelf_delegate.h" | |
| 14 #include "ash/common/shelf/shelf_layout_manager.h" | |
| 15 #include "ash/common/shelf/shelf_view.h" | |
| 16 #include "ash/common/shelf/wm_shelf.h" | |
| 17 #include "ash/common/shelf/wm_shelf_util.h" | |
| 18 #include "ash/common/wm_shell.h" | |
| 19 #include "ash/common/wm_window.h" | |
| 20 #include "ash/root_window_controller.h" | |
| 21 #include "ash/system/status_area_layout_manager.h" | |
| 22 #include "ash/system/status_area_widget.h" | |
| 23 #include "ash/wm/window_properties.h" | |
| 24 #include "base/memory/ptr_util.h" | |
| 25 #include "ui/compositor/layer.h" | |
| 26 #include "ui/compositor/scoped_layer_animation_settings.h" | |
| 27 #include "ui/gfx/skbitmap_operations.h" | |
| 28 #include "ui/views/accessible_pane_view.h" | |
| 29 #include "ui/views/layout/fill_layout.h" | |
| 30 #include "ui/views/widget/widget.h" | |
| 31 #include "ui/views/widget/widget_delegate.h" | |
| 32 | |
| 33 namespace ash { | |
| 34 | |
| 35 // The contents view of the Shelf. This view contains ShelfView and | |
| 36 // sizes it to the width of the shelf minus the size of the status area. | |
| 37 class ShelfWidget::DelegateView : public views::WidgetDelegate, | |
| 38 public views::AccessiblePaneView, | |
| 39 public ShelfBackgroundAnimatorObserver { | |
| 40 public: | |
| 41 explicit DelegateView(ShelfWidget* shelf); | |
| 42 ~DelegateView() override; | |
| 43 | |
| 44 void set_focus_cycler(FocusCycler* focus_cycler) { | |
| 45 focus_cycler_ = focus_cycler; | |
| 46 } | |
| 47 FocusCycler* focus_cycler() { return focus_cycler_; } | |
| 48 | |
| 49 ui::Layer* opaque_background() { return &opaque_background_; } | |
| 50 ui::Layer* opaque_foreground() { return &opaque_foreground_; } | |
| 51 | |
| 52 void SetParentLayer(ui::Layer* layer); | |
| 53 | |
| 54 // views::WidgetDelegateView overrides: | |
| 55 views::Widget* GetWidget() override { return View::GetWidget(); } | |
| 56 const views::Widget* GetWidget() const override { return View::GetWidget(); } | |
| 57 | |
| 58 bool CanActivate() const override; | |
| 59 void ReorderChildLayers(ui::Layer* parent_layer) override; | |
| 60 // This will be called when the parent local bounds change. | |
| 61 void OnBoundsChanged(const gfx::Rect& old_bounds) override; | |
| 62 | |
| 63 // ShelfBackgroundAnimatorObserver: | |
| 64 void UpdateShelfBackground(SkColor color) override; | |
| 65 | |
| 66 private: | |
| 67 ShelfWidget* shelf_widget_; | |
| 68 FocusCycler* focus_cycler_; | |
| 69 // A black background layer that may be visible depending on a | |
| 70 // ShelfBackgroundAnimator. | |
| 71 // TODO(bruthig): Remove opaque_background_ (see https://crbug.com/621551). | |
| 72 ui::Layer opaque_background_; | |
| 73 // A black foreground layer which is shown while transitioning between users. | |
| 74 // Note: Since the back- and foreground layers have different functions they | |
| 75 // can be used simultaneously - so no repurposing possible. | |
| 76 ui::Layer opaque_foreground_; | |
| 77 | |
| 78 DISALLOW_COPY_AND_ASSIGN(DelegateView); | |
| 79 }; | |
| 80 | |
| 81 ShelfWidget::DelegateView::DelegateView(ShelfWidget* shelf_widget) | |
| 82 : shelf_widget_(shelf_widget), | |
| 83 focus_cycler_(nullptr), | |
| 84 opaque_background_(ui::LAYER_SOLID_COLOR), | |
| 85 opaque_foreground_(ui::LAYER_SOLID_COLOR) { | |
| 86 DCHECK(shelf_widget_); | |
| 87 SetLayoutManager(new views::FillLayout()); | |
| 88 set_allow_deactivate_on_esc(true); | |
| 89 opaque_background_.SetColor(SK_ColorBLACK); | |
| 90 opaque_background_.SetBounds(GetLocalBounds()); | |
| 91 opaque_foreground_.SetColor(SK_ColorBLACK); | |
| 92 opaque_foreground_.SetBounds(GetLocalBounds()); | |
| 93 opaque_foreground_.SetOpacity(0.0f); | |
| 94 } | |
| 95 | |
| 96 ShelfWidget::DelegateView::~DelegateView() {} | |
| 97 | |
| 98 void ShelfWidget::DelegateView::SetParentLayer(ui::Layer* layer) { | |
| 99 layer->Add(&opaque_background_); | |
| 100 layer->Add(&opaque_foreground_); | |
| 101 ReorderLayers(); | |
| 102 } | |
| 103 | |
| 104 bool ShelfWidget::DelegateView::CanActivate() const { | |
| 105 // Allow to activate as fallback. | |
| 106 if (shelf_widget_->activating_as_fallback_) | |
| 107 return true; | |
| 108 // Allow to activate from the focus cycler. | |
| 109 if (focus_cycler_ && focus_cycler_->widget_activating() == GetWidget()) | |
| 110 return true; | |
| 111 // Disallow activating in other cases, especially when using mouse. | |
| 112 return false; | |
| 113 } | |
| 114 | |
| 115 void ShelfWidget::DelegateView::ReorderChildLayers(ui::Layer* parent_layer) { | |
| 116 views::View::ReorderChildLayers(parent_layer); | |
| 117 parent_layer->StackAtBottom(&opaque_background_); | |
| 118 parent_layer->StackAtTop(&opaque_foreground_); | |
| 119 } | |
| 120 | |
| 121 void ShelfWidget::DelegateView::OnBoundsChanged(const gfx::Rect& old_bounds) { | |
| 122 opaque_background_.SetBounds(GetLocalBounds()); | |
| 123 opaque_foreground_.SetBounds(GetLocalBounds()); | |
| 124 } | |
| 125 | |
| 126 void ShelfWidget::DelegateView::UpdateShelfBackground(SkColor color) { | |
| 127 opaque_background_.SetColor(color); | |
| 128 } | |
| 129 | |
| 130 ShelfWidget::ShelfWidget(WmWindow* shelf_container, WmShelf* wm_shelf) | |
| 131 : wm_shelf_(wm_shelf), | |
| 132 status_area_widget_(nullptr), | |
| 133 delegate_view_(new DelegateView(this)), | |
| 134 shelf_view_(nullptr), | |
| 135 background_animator_(SHELF_BACKGROUND_DEFAULT, | |
| 136 wm_shelf_, | |
| 137 WmShell::Get()->wallpaper_controller()), | |
| 138 activating_as_fallback_(false) { | |
| 139 DCHECK(wm_shelf_); | |
| 140 background_animator_.AddObserver(this); | |
| 141 background_animator_.AddObserver(delegate_view_); | |
| 142 | |
| 143 views::Widget::InitParams params( | |
| 144 views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
| 145 params.name = "ShelfWidget"; | |
| 146 params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; | |
| 147 params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; | |
| 148 params.delegate = delegate_view_; | |
| 149 shelf_container->GetRootWindowController() | |
| 150 ->ConfigureWidgetInitParamsForContainer( | |
| 151 this, shelf_container->GetShellWindowId(), ¶ms); | |
| 152 Init(params); | |
| 153 | |
| 154 // The shelf should not take focus when initially shown. | |
| 155 set_focus_on_creation(false); | |
| 156 SetContentsView(delegate_view_); | |
| 157 delegate_view_->SetParentLayer(GetLayer()); | |
| 158 | |
| 159 shelf_layout_manager_ = new ShelfLayoutManager(this, wm_shelf_); | |
| 160 shelf_layout_manager_->AddObserver(this); | |
| 161 shelf_container->SetLayoutManager(base::WrapUnique(shelf_layout_manager_)); | |
| 162 background_animator_.PaintBackground( | |
| 163 shelf_layout_manager_->GetShelfBackgroundType(), | |
| 164 AnimationChangeType::IMMEDIATE); | |
| 165 | |
| 166 views::Widget::AddObserver(this); | |
| 167 } | |
| 168 | |
| 169 ShelfWidget::~ShelfWidget() { | |
| 170 // Must call Shutdown() before destruction. | |
| 171 DCHECK(!status_area_widget_); | |
| 172 WmShell::Get()->focus_cycler()->RemoveWidget(this); | |
| 173 SetFocusCycler(nullptr); | |
| 174 RemoveObserver(this); | |
| 175 background_animator_.RemoveObserver(delegate_view_); | |
| 176 background_animator_.RemoveObserver(this); | |
| 177 } | |
| 178 | |
| 179 void ShelfWidget::CreateStatusAreaWidget(WmWindow* status_container) { | |
| 180 DCHECK(status_container); | |
| 181 DCHECK(!status_area_widget_); | |
| 182 // TODO(jamescook): Move ownership to RootWindowController. | |
| 183 status_area_widget_ = new StatusAreaWidget(status_container, wm_shelf_); | |
| 184 status_area_widget_->CreateTrayViews(); | |
| 185 if (WmShell::Get()->GetSessionStateDelegate()->IsActiveUserSessionStarted()) | |
| 186 status_area_widget_->Show(); | |
| 187 WmShell::Get()->focus_cycler()->AddWidget(status_area_widget_); | |
| 188 background_animator_.AddObserver(status_area_widget_); | |
| 189 status_container->SetLayoutManager( | |
| 190 base::MakeUnique<StatusAreaLayoutManager>(this)); | |
| 191 } | |
| 192 | |
| 193 void ShelfWidget::SetPaintsBackground(ShelfBackgroundType background_type, | |
| 194 AnimationChangeType change_type) { | |
| 195 background_animator_.PaintBackground(background_type, change_type); | |
| 196 } | |
| 197 | |
| 198 ShelfBackgroundType ShelfWidget::GetBackgroundType() const { | |
| 199 return background_animator_.target_background_type(); | |
| 200 } | |
| 201 | |
| 202 void ShelfWidget::HideShelfBehindBlackBar(bool hide, int animation_time_ms) { | |
| 203 if (IsShelfHiddenBehindBlackBar() == hide) | |
| 204 return; | |
| 205 | |
| 206 ui::Layer* opaque_foreground = delegate_view_->opaque_foreground(); | |
| 207 float target_opacity = hide ? 1.0f : 0.0f; | |
| 208 std::unique_ptr<ui::ScopedLayerAnimationSettings> opaque_foreground_animation; | |
| 209 opaque_foreground_animation.reset( | |
| 210 new ui::ScopedLayerAnimationSettings(opaque_foreground->GetAnimator())); | |
| 211 opaque_foreground_animation->SetTransitionDuration( | |
| 212 base::TimeDelta::FromMilliseconds(animation_time_ms)); | |
| 213 opaque_foreground_animation->SetPreemptionStrategy( | |
| 214 ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS); | |
| 215 | |
| 216 opaque_foreground->SetOpacity(target_opacity); | |
| 217 } | |
| 218 | |
| 219 bool ShelfWidget::IsShelfHiddenBehindBlackBar() const { | |
| 220 return delegate_view_->opaque_foreground()->GetTargetOpacity() != 0.0f; | |
| 221 } | |
| 222 | |
| 223 void ShelfWidget::OnShelfAlignmentChanged() { | |
| 224 shelf_view_->OnShelfAlignmentChanged(); | |
| 225 // TODO(jamescook): Status area should not cache alignment. | |
| 226 status_area_widget_->SetShelfAlignment(wm_shelf_->GetAlignment()); | |
| 227 delegate_view_->SchedulePaint(); | |
| 228 } | |
| 229 | |
| 230 ShelfView* ShelfWidget::CreateShelfView() { | |
| 231 DCHECK(!shelf_view_); | |
| 232 | |
| 233 shelf_view_ = | |
| 234 new ShelfView(WmShell::Get()->shelf_model(), | |
| 235 WmShell::Get()->shelf_delegate(), wm_shelf_, this); | |
| 236 shelf_view_->Init(); | |
| 237 GetContentsView()->AddChildView(shelf_view_); | |
| 238 return shelf_view_; | |
| 239 } | |
| 240 | |
| 241 void ShelfWidget::PostCreateShelf() { | |
| 242 SetFocusCycler(WmShell::Get()->focus_cycler()); | |
| 243 | |
| 244 // Ensure the newly created |shelf_| gets current values. | |
| 245 background_animator_.NotifyObserver(this); | |
| 246 | |
| 247 // TODO(jamescook): The IsActiveUserSessionStarted() check may not be needed | |
| 248 // because the shelf is only created after the first user session is active. | |
| 249 // The ShelfView seems to always be visible after login. At the lock screen | |
| 250 // the shelf is hidden because its container is hidden. During auto-hide it is | |
| 251 // hidden because ShelfWidget is transparent. Some of the ShelfView visibility | |
| 252 // code could be simplified. http://crbug.com/674773 | |
| 253 shelf_view_->SetVisible( | |
| 254 WmShell::Get()->GetSessionStateDelegate()->IsActiveUserSessionStarted()); | |
| 255 shelf_layout_manager_->LayoutShelf(); | |
| 256 shelf_layout_manager_->UpdateAutoHideState(); | |
| 257 Show(); | |
| 258 } | |
| 259 | |
| 260 bool ShelfWidget::IsShelfVisible() const { | |
| 261 return shelf_view_ && shelf_view_->visible(); | |
| 262 } | |
| 263 | |
| 264 bool ShelfWidget::IsShowingAppList() const { | |
| 265 return GetAppListButton() && GetAppListButton()->is_showing_app_list(); | |
| 266 } | |
| 267 | |
| 268 bool ShelfWidget::IsShowingContextMenu() const { | |
| 269 return shelf_view_ && shelf_view_->IsShowingMenu(); | |
| 270 } | |
| 271 | |
| 272 bool ShelfWidget::IsShowingOverflowBubble() const { | |
| 273 return shelf_view_ && shelf_view_->IsShowingOverflowBubble(); | |
| 274 } | |
| 275 | |
| 276 void ShelfWidget::SetFocusCycler(FocusCycler* focus_cycler) { | |
| 277 delegate_view_->set_focus_cycler(focus_cycler); | |
| 278 if (focus_cycler) | |
| 279 focus_cycler->AddWidget(this); | |
| 280 } | |
| 281 | |
| 282 FocusCycler* ShelfWidget::GetFocusCycler() { | |
| 283 return delegate_view_->focus_cycler(); | |
| 284 } | |
| 285 | |
| 286 void ShelfWidget::Shutdown() { | |
| 287 // Shutting down the status area widget may cause some widgets (e.g. bubbles) | |
| 288 // to close, so uninstall the ShelfLayoutManager event filters first. Don't | |
| 289 // reset the pointer until later because other widgets (e.g. app list) may | |
| 290 // access it later in shutdown. | |
| 291 if (shelf_layout_manager_) | |
| 292 shelf_layout_manager_->PrepareForShutdown(); | |
| 293 | |
| 294 if (status_area_widget_) { | |
| 295 background_animator_.RemoveObserver(status_area_widget_); | |
| 296 WmShell::Get()->focus_cycler()->RemoveWidget(status_area_widget_); | |
| 297 status_area_widget_->Shutdown(); | |
| 298 status_area_widget_ = nullptr; | |
| 299 } | |
| 300 | |
| 301 CloseNow(); | |
| 302 } | |
| 303 | |
| 304 void ShelfWidget::UpdateIconPositionForPanel(WmWindow* panel) { | |
| 305 if (!shelf_view_) | |
| 306 return; | |
| 307 | |
| 308 WmWindow* shelf_window = WmWindow::Get(this->GetNativeWindow()); | |
| 309 shelf_view_->UpdatePanelIconPosition( | |
| 310 panel->aura_window()->GetProperty(kShelfIDKey), | |
| 311 shelf_window->ConvertRectFromScreen(panel->GetBoundsInScreen()) | |
| 312 .CenterPoint()); | |
| 313 } | |
| 314 | |
| 315 gfx::Rect ShelfWidget::GetScreenBoundsOfItemIconForWindow(WmWindow* window) { | |
| 316 // Window animations can be triggered during session restore before the shelf | |
| 317 // view is created. In that case, return default empty bounds. | |
| 318 if (!shelf_view_) | |
| 319 return gfx::Rect(); | |
| 320 | |
| 321 ShelfID id = window->aura_window()->GetProperty(kShelfIDKey); | |
| 322 gfx::Rect bounds(shelf_view_->GetIdealBoundsOfItemIcon(id)); | |
| 323 gfx::Point screen_origin; | |
| 324 views::View::ConvertPointToScreen(shelf_view_, &screen_origin); | |
| 325 return gfx::Rect(screen_origin.x() + bounds.x(), | |
| 326 screen_origin.y() + bounds.y(), bounds.width(), | |
| 327 bounds.height()); | |
| 328 } | |
| 329 | |
| 330 AppListButton* ShelfWidget::GetAppListButton() const { | |
| 331 return shelf_view_ ? shelf_view_->GetAppListButton() : nullptr; | |
| 332 } | |
| 333 | |
| 334 app_list::ApplicationDragAndDropHost* | |
| 335 ShelfWidget::GetDragAndDropHostForAppList() { | |
| 336 return shelf_view_; | |
| 337 } | |
| 338 | |
| 339 void ShelfWidget::OnWidgetActivationChanged(views::Widget* widget, | |
| 340 bool active) { | |
| 341 activating_as_fallback_ = false; | |
| 342 if (active) | |
| 343 delegate_view_->SetPaneFocusAndFocusDefault(); | |
| 344 else | |
| 345 delegate_view_->GetFocusManager()->ClearFocus(); | |
| 346 } | |
| 347 | |
| 348 void ShelfWidget::UpdateShelfItemBackground(SkColor color) { | |
| 349 if (shelf_view_) | |
| 350 shelf_view_->UpdateShelfItemBackground(color); | |
| 351 } | |
| 352 | |
| 353 void ShelfWidget::WillDeleteShelfLayoutManager() { | |
| 354 shelf_layout_manager_->RemoveObserver(this); | |
| 355 shelf_layout_manager_ = nullptr; | |
| 356 } | |
| 357 | |
| 358 } // namespace ash | |
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Chromium Code Reviews
Issue 2734683002:
chromeos: Move files in //ash/common to //ash, part 2 (Closed)
