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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/app_list/app_list_shower_delegate.h" | |
| 6 | |
| 7 #include "ash/app_list/app_list_view_delegate_factory.h" | |
| 8 #include "ash/ash_switches.h" | |
| 9 #include "ash/root_window_controller.h" | |
| 10 #include "ash/screen_util.h" | |
| 11 #include "ash/shelf/shelf.h" | |
| 12 #include "ash/shelf/shelf_layout_manager.h" | |
| 13 #include "ash/shell.h" | |
| 14 #include "ash/shell_delegate.h" | |
| 15 #include "ash/shell_window_ids.h" | |
| 16 #include "ash/wm/maximize_mode/maximize_mode_controller.h" | |
| 17 #include "base/command_line.h" | |
| 18 #include "ui/app_list/app_list_constants.h" | |
| 19 #include "ui/app_list/app_list_switches.h" | |
| 20 #include "ui/app_list/shower/app_list_shower.h" | |
| 21 #include "ui/app_list/views/app_list_view.h" | |
| 22 #include "ui/aura/window.h" | |
| 23 #include "ui/events/event.h" | |
| 24 #include "ui/keyboard/keyboard_controller.h" | |
| 25 #include "ui/views/widget/widget.h" | |
| 26 | |
| 27 namespace ash { | |
| 28 namespace { | |
| 29 | |
| 30 // Offset in pixels to animation away/towards the shelf. | |
| 31 const int kAnimationOffset = 8; | |
| 32 | |
| 33 // The minimal anchor position offset to make sure that the bubble is still on | |
| 34 // the screen with 8 pixels spacing on the left / right. This constant is a | |
| 35 // result of minimal bubble arrow sizes and offsets. | |
| 36 const int kMinimalAnchorPositionOffset = 57; | |
| 37 | |
| 38 // The minimal margin (in pixels) around the app list when in centered mode. | |
| 39 const int kMinimalCenteredAppListMargin = 10; | |
| 40 | |
| 41 // Gets arrow location based on shelf alignment. | |
| 42 views::BubbleBorder::Arrow GetBubbleArrow(aura::Window* window) { | |
| 43 DCHECK(Shell::HasInstance()); | |
| 44 return Shelf::ForWindow(window)->SelectValueForShelfAlignment( | |
| 45 views::BubbleBorder::BOTTOM_CENTER, views::BubbleBorder::LEFT_CENTER, | |
| 46 views::BubbleBorder::RIGHT_CENTER); | |
| 47 } | |
| 48 | |
| 49 // Using |button_bounds|, determine the anchor offset so that the bubble gets | |
| 50 // shown above the shelf (used for the alternate shelf theme). | |
| 51 gfx::Vector2d GetAnchorPositionOffsetToShelf( | |
| 52 const gfx::Rect& button_bounds, views::Widget* widget) { | |
| 53 DCHECK(Shell::HasInstance()); | |
| 54 ShelfAlignment shelf_alignment = Shell::GetInstance()->GetShelfAlignment( | |
| 55 widget->GetNativeView()->GetRootWindow()); | |
| 56 gfx::Point anchor(button_bounds.CenterPoint()); | |
| 57 switch (shelf_alignment) { | |
| 58 case SHELF_ALIGNMENT_BOTTOM: | |
| 59 if (base::i18n::IsRTL()) { | |
| 60 int screen_width = widget->GetWorkAreaBoundsInScreen().width(); | |
| 61 return gfx::Vector2d( | |
| 62 std::min(screen_width - kMinimalAnchorPositionOffset - anchor.x(), | |
| 63 0), 0); | |
| 64 } | |
| 65 return gfx::Vector2d( | |
| 66 std::max(kMinimalAnchorPositionOffset - anchor.x(), 0), 0); | |
| 67 case SHELF_ALIGNMENT_LEFT: | |
| 68 return gfx::Vector2d( | |
| 69 0, std::max(kMinimalAnchorPositionOffset - anchor.y(), 0)); | |
| 70 case SHELF_ALIGNMENT_RIGHT: | |
| 71 return gfx::Vector2d( | |
| 72 0, std::max(kMinimalAnchorPositionOffset - anchor.y(), 0)); | |
| 73 } | |
| 74 NOTREACHED(); | |
| 75 return gfx::Vector2d(); | |
| 76 } | |
| 77 | |
| 78 // Gets the point at the center of the display that a particular view is on. | |
| 79 // This calculation excludes the virtual keyboard area. If the height of the | |
| 80 // display area is less than |minimum_height|, its bottom will be extended to | |
| 81 // that height (so that the app list never starts above the top of the screen). | |
| 82 gfx::Point GetCenterOfDisplayForView(const views::View* view, | |
| 83 int minimum_height) { | |
| 84 aura::Window* window = view->GetWidget()->GetNativeView(); | |
| 85 gfx::Rect bounds = ScreenUtil::GetShelfDisplayBoundsInRoot(window); | |
| 86 bounds = ScreenUtil::ConvertRectToScreen(window->GetRootWindow(), bounds); | |
| 87 | |
| 88 // If the virtual keyboard is active, subtract it from the display bounds, so | |
| 89 // that the app list is centered in the non-keyboard area of the display. | |
| 90 // (Note that work_area excludes the keyboard, but it doesn't get updated | |
| 91 // until after this function is called.) | |
| 92 keyboard::KeyboardController* keyboard_controller = | |
| 93 keyboard::KeyboardController::GetInstance(); | |
| 94 if (keyboard_controller && keyboard_controller->keyboard_visible()) | |
| 95 bounds.Subtract(keyboard_controller->current_keyboard_bounds()); | |
| 96 | |
| 97 // Apply the |minimum_height|. | |
| 98 if (bounds.height() < minimum_height) | |
| 99 bounds.set_height(minimum_height); | |
| 100 | |
| 101 return bounds.CenterPoint(); | |
| 102 } | |
| 103 | |
| 104 // Gets the minimum height of the rectangle to center the app list in. | |
| 105 int GetMinimumBoundsHeightForAppList(const app_list::AppListView* app_list) { | |
| 106 return app_list->bounds().height() + 2 * kMinimalCenteredAppListMargin; | |
| 107 } | |
| 108 | |
| 109 bool IsFullscreenAppListEnabled() { | |
| 110 #if defined(OS_CHROMEOS) | |
| 111 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 112 switches::kAshEnableFullscreenAppList) && | |
| 113 app_list::switches::IsExperimentalAppListEnabled(); | |
| 114 #else | |
| 115 return false; | |
| 116 #endif | |
| 117 } | |
| 118 | |
| 119 } // namespace | |
| 120 | |
| 121 //////////////////////////////////////////////////////////////////////////////// | |
| 122 // AppListShowerDelegate, public: | |
| 123 | |
| 124 AppListShowerDelegate::AppListShowerDelegate( | |
| 125 app_list::AppListShower* shower, | |
| 126 AppListViewDelegateFactory* view_delegate_factory) | |
| 127 : shower_(shower), view_delegate_factory_(view_delegate_factory) { | |
| 128 Shell::GetInstance()->AddShellObserver(this); | |
| 129 } | |
| 130 | |
| 131 AppListShowerDelegate::~AppListShowerDelegate() { | |
| 132 DCHECK(view_); | |
| 133 keyboard::KeyboardController* keyboard_controller = | |
| 134 keyboard::KeyboardController::GetInstance(); | |
| 135 if (keyboard_controller) | |
| 136 keyboard_controller->RemoveObserver(this); | |
| 137 views::Widget* widget = view_->GetWidget(); | |
| 138 Shell::GetInstance()->RemovePreTargetHandler(this); | |
| 139 Shelf::ForWindow(widget->GetNativeWindow())->RemoveIconObserver(this); | |
| 140 Shell::GetInstance()->RemoveShellObserver(this); | |
| 141 } | |
| 142 | |
| 143 app_list::AppListViewDelegate* AppListShowerDelegate::GetViewDelegate() { | |
| 144 return view_delegate_factory_->GetDelegate(); | |
| 145 } | |
| 146 | |
| 147 void AppListShowerDelegate::Init(app_list::AppListView* view, | |
| 148 aura::Window* root_window, | |
| 149 int current_apps_page) { | |
| 150 // App list needs to know the new shelf layout in order to calculate its | |
| 151 // UI layout when AppListView visibility changes. | |
| 152 ash::Shell::GetPrimaryRootWindowController() | |
| 153 ->GetShelfLayoutManager() | |
| 154 ->UpdateAutoHideState(); | |
| 155 view_ = view; | |
| 156 aura::Window* container = GetRootWindowController(root_window) | |
| 157 ->GetContainer(kShellWindowId_AppListContainer); | |
| 158 views::View* applist_button = | |
| 159 Shelf::ForWindow(container)->GetAppListButtonView(); | |
| 160 is_centered_ = view->ShouldCenterWindow(); | |
| 161 bool is_fullscreen = IsFullscreenAppListEnabled() && | |
| 162 Shell::GetInstance() | |
| 163 ->maximize_mode_controller() | |
| 164 ->IsMaximizeModeWindowManagerEnabled(); | |
| 165 if (is_fullscreen) { | |
| 166 view->InitAsFramelessWindow( | |
| 167 container, current_apps_page, | |
| 168 ScreenUtil::GetDisplayWorkAreaBoundsInParent(container)); | |
| 169 } else if (is_centered_) { | |
| 170 // Note: We can't center the app list until we have its dimensions, so we | |
| 171 // init at (0, 0) and then reset its anchor point. | |
| 172 view->InitAsBubbleAtFixedLocation(container, | |
| 173 current_apps_page, | |
| 174 gfx::Point(), | |
| 175 views::BubbleBorder::FLOAT, | |
| 176 true /* border_accepts_events */); | |
| 177 // The experimental app list is centered over the display of the app list | |
| 178 // button that was pressed (if triggered via keyboard, this is the display | |
| 179 // with the currently focused window). | |
| 180 view->SetAnchorPoint(GetCenterOfDisplayForView( | |
| 181 applist_button, GetMinimumBoundsHeightForAppList(view))); | |
| 182 } else { | |
| 183 gfx::Rect applist_button_bounds = applist_button->GetBoundsInScreen(); | |
| 184 // We need the location of the button within the local screen. | |
| 185 applist_button_bounds = ScreenUtil::ConvertRectFromScreen( | |
| 186 root_window, | |
| 187 applist_button_bounds); | |
| 188 view->InitAsBubbleAttachedToAnchor( | |
| 189 container, | |
| 190 current_apps_page, | |
| 191 Shelf::ForWindow(container)->GetAppListButtonView(), | |
| 192 GetAnchorPositionOffsetToShelf( | |
| 193 applist_button_bounds, | |
| 194 Shelf::ForWindow(container)->GetAppListButtonView()->GetWidget()), | |
| 195 GetBubbleArrow(container), | |
| 196 true /* border_accepts_events */); | |
| 197 view->SetArrowPaintType(views::BubbleBorder::PAINT_NONE); | |
| 198 } | |
| 199 | |
| 200 keyboard::KeyboardController* keyboard_controller = | |
| 201 keyboard::KeyboardController::GetInstance(); | |
| 202 if (keyboard_controller) | |
| 203 keyboard_controller->AddObserver(this); | |
| 204 Shell::GetInstance()->AddPreTargetHandler(this); | |
| 205 views::Widget* widget = view->GetWidget(); | |
| 206 Shelf::ForWindow(widget->GetNativeWindow())->AddIconObserver(this); | |
| 207 | |
| 208 // By setting us as DnD recipient, the app list knows that we can | |
| 209 // handle items. | |
| 210 view->SetDragAndDropHostOfCurrentAppList( | |
| 211 Shelf::ForWindow(root_window)->GetDragAndDropHostForAppList()); | |
| 212 } | |
| 213 | |
| 214 void AppListShowerDelegate::OnShown(aura::Window* root_window) { | |
| 215 is_visible_ = true; | |
| 216 // Update applist button status when app list visibility is changed. | |
| 217 Shelf::ForWindow(root_window)->GetAppListButtonView()->SchedulePaint(); | |
| 218 } | |
| 219 | |
| 220 void AppListShowerDelegate::OnDismissed() { | |
| 221 DCHECK(is_visible_); | |
| 222 DCHECK(view_); | |
| 223 | |
| 224 is_visible_ = false; | |
| 225 | |
| 226 // App list needs to know the new shelf layout in order to calculate its | |
| 227 // UI layout when AppListView visibility changes. | |
| 228 Shell::GetPrimaryRootWindowController() | |
| 229 ->GetShelfLayoutManager() | |
| 230 ->UpdateAutoHideState(); | |
| 231 | |
| 232 // Update applist button status when app list visibility is changed. | |
| 233 Shelf::ForWindow(view_->GetWidget()->GetNativeView()) | |
| 234 ->GetAppListButtonView() | |
| 235 ->SchedulePaint(); | |
| 236 } | |
| 237 | |
| 238 void AppListShowerDelegate::UpdateBounds() { | |
| 239 if (!view_ || !is_visible_) | |
| 240 return; | |
| 241 | |
| 242 view_->UpdateBounds(); | |
| 243 | |
| 244 if (is_centered_) { | |
| 245 view_->SetAnchorPoint(GetCenterOfDisplayForView( | |
| 246 view_, GetMinimumBoundsHeightForAppList(view_))); | |
| 247 } | |
| 248 } | |
| 249 | |
| 250 gfx::Vector2d AppListShowerDelegate::GetVisibilityAnimationOffset( | |
| 251 aura::Window* root_window) { | |
| 252 DCHECK(Shell::HasInstance()); | |
| 253 | |
| 254 // App list needs to know the new shelf layout in order to calculate its | |
| 255 // UI layout when AppListView visibility changes. | |
| 256 Shell::GetPrimaryRootWindowController() | |
| 257 ->GetShelfLayoutManager() | |
| 258 ->UpdateAutoHideState(); | |
| 259 | |
| 260 ShelfAlignment shelf_alignment = | |
| 261 Shell::GetInstance()->GetShelfAlignment(root_window); | |
| 262 switch (shelf_alignment) { | |
| 263 case SHELF_ALIGNMENT_BOTTOM: | |
| 264 return gfx::Vector2d(0, kAnimationOffset); | |
| 265 case SHELF_ALIGNMENT_LEFT: | |
| 266 return gfx::Vector2d(-kAnimationOffset, 0); | |
| 267 case SHELF_ALIGNMENT_RIGHT: | |
| 268 return gfx::Vector2d(kAnimationOffset, 0); | |
| 269 } | |
| 270 NOTREACHED(); | |
| 271 return gfx::Vector2d(); | |
| 272 } | |
| 273 | |
| 274 //////////////////////////////////////////////////////////////////////////////// | |
| 275 // AppListShowerDelegate, private: | |
| 276 | |
| 277 void AppListShowerDelegate::ProcessLocatedEvent(ui::LocatedEvent* event) { | |
| 278 if (!view_ || !is_visible_) | |
| 279 return; | |
| 280 | |
| 281 // If the event happened on a menu, then the event should not close the app | |
| 282 // list. | |
| 283 aura::Window* target = static_cast<aura::Window*>(event->target()); | |
| 284 if (target) { | |
| 285 RootWindowController* root_controller = | |
| 286 GetRootWindowController(target->GetRootWindow()); | |
| 287 if (root_controller) { | |
| 288 aura::Window* menu_container = | |
| 289 root_controller->GetContainer(kShellWindowId_MenuContainer); | |
| 290 if (menu_container->Contains(target)) | |
| 291 return; | |
| 292 aura::Window* keyboard_container = root_controller->GetContainer( | |
| 293 kShellWindowId_VirtualKeyboardContainer); | |
| 294 if (keyboard_container->Contains(target)) | |
| 295 return; | |
| 296 } | |
| 297 } | |
| 298 | |
| 299 aura::Window* window = view_->GetWidget()->GetNativeView()->parent(); | |
| 300 if (!window->Contains(target) && | |
| 301 !app_list::switches::ShouldNotDismissOnBlur()) { | |
| 302 shower_->Dismiss(); | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 //////////////////////////////////////////////////////////////////////////////// | |
| 307 // AppListShowerDelegate, aura::EventFilter implementation: | |
| 308 | |
| 309 void AppListShowerDelegate::OnMouseEvent(ui::MouseEvent* event) { | |
| 310 if (event->type() == ui::ET_MOUSE_PRESSED) | |
| 311 ProcessLocatedEvent(event); | |
| 312 } | |
| 313 | |
| 314 void AppListShowerDelegate::OnGestureEvent(ui::GestureEvent* event) { | |
| 315 if (event->type() == ui::ET_GESTURE_TAP_DOWN) | |
| 316 ProcessLocatedEvent(event); | |
| 317 } | |
| 318 | |
| 319 //////////////////////////////////////////////////////////////////////////////// | |
| 320 // AppListShowerDelegate, keyboard::KeyboardControllerObserver implementation: | |
| 321 | |
| 322 void AppListShowerDelegate::OnKeyboardBoundsChanging( | |
| 323 const gfx::Rect& new_bounds) { | |
| 324 UpdateBounds(); | |
| 325 } | |
| 326 | |
| 327 //////////////////////////////////////////////////////////////////////////////// | |
| 328 // AppListShowerDelegate, ShellObserver implementation: | |
| 329 void AppListShowerDelegate::OnShelfAlignmentChanged(aura::Window* root_window) { | |
| 330 if (view_) | |
| 331 view_->SetBubbleArrow(GetBubbleArrow(view_->GetWidget()->GetNativeView())); | |
| 332 } | |
| 333 | |
| 334 void AppListShowerDelegate::OnMaximizeModeStarted() { | |
| 335 // The "fullscreen" app-list is initialized as in a different type of window, | |
| 336 // therefore we can't switch between the fullscreen status and the normal | |
| 337 // app-list bubble. App-list should be dismissed for the transition between | |
| 338 // maximize mode (touch-view mode) and non-maximize mode, otherwise the app | |
| 339 // list tries to behave as a bubble which leads to a crash. crbug.com/510062 | |
| 340 if (IsFullscreenAppListEnabled() && is_visible_) | |
| 341 shower_->Dismiss(); | |
| 342 } | |
| 343 | |
| 344 void AppListShowerDelegate::OnMaximizeModeEnded() { | |
| 345 // See the comments of OnMaximizeModeStarted(). | |
| 346 if (IsFullscreenAppListEnabled() && is_visible_) | |
| 347 shower_->Dismiss(); | |
| 348 } | |
| 349 | |
| 350 //////////////////////////////////////////////////////////////////////////////// | |
| 351 // AppListShowerDelegate, ShelfIconObserver implementation: | |
| 352 | |
| 353 void AppListShowerDelegate::OnShelfIconPositionsChanged() { | |
| 354 UpdateBounds(); | |
| 355 } | |
| 356 | |
| 357 } // namespace ash | |
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Chromium Code Reviews
Issue 1872033002:
Revert of AppListController refactoring part 2: Ash's AppListShowerDelegate imlementation. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@mus_chrome_delegates_app_list_2