Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 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/shelf/shelf_layout_manager.h" |
| 6 | |
| 7 | #include <algorithm> |
| 8 | #include <cmath> |
| 9 | |
| 10 | #include "ash/ash_switches.h" |
| 11 | #include "ash/launcher/launcher.h" |
| 12 | #include "ash/launcher/launcher_types.h" |
| 13 | #include "ash/root_window_controller.h" |
| 14 | #include "ash/screen_ash.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 15 | #include "ash/session_state_delegate.h" |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 16 | #include "ash/shelf/shelf_layout_manager_observer.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 17 | #include "ash/shelf/shelf_widget.h" |
| 18 | #include "ash/shell.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 19 | #include "ash/shell_window_ids.h" |
| 20 | #include "ash/system/status_area_widget.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 21 | #include "ash/wm/gestures/shelf_gesture_handler.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 22 | #include "ash/wm/property_util.h" |
| 23 | #include "ash/wm/window_cycle_controller.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 24 | #include "ash/wm/window_properties.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 25 | #include "ash/wm/window_util.h" |
| 26 | #include "ash/wm/workspace_controller.h" |
| 27 | #include "ash/wm/workspace/workspace_animations.h" |
| 28 | #include "base/auto_reset.h" |
| 29 | #include "base/command_line.h" |
| 30 | #include "base/i18n/rtl.h" |
| 31 | #include "ui/aura/client/activation_client.h" |
| 32 | #include "ui/aura/root_window.h" |
| 33 | #include "ui/base/events/event.h" |
| 34 | #include "ui/base/events/event_handler.h" |
| 35 | #include "ui/compositor/layer.h" |
| 36 | #include "ui/compositor/layer_animation_observer.h" |
| 37 | #include "ui/compositor/layer_animator.h" |
| 38 | #include "ui/compositor/scoped_layer_animation_settings.h" |
| 39 | #include "ui/gfx/screen.h" |
| 40 | #include "ui/views/widget/widget.h" |
| 41 | |
| 42 | namespace ash { |
| 43 | namespace internal { |
| 44 | |
| 45 | namespace { |
| 46 | |
| 47 | // Delay before showing the launcher. This is after the mouse stops moving. |
| 48 | const int kAutoHideDelayMS = 200; |
| 49 | |
| 50 | // To avoid hiding the shelf when the mouse transitions from a message bubble |
| 51 | // into the shelf, the hit test area is enlarged by this amount of pixels to |
| 52 | // keep the shelf from hiding. |
| 53 | const int kNotificationBubbleGapHeight = 6; |
| 54 | |
| 55 | ui::Layer* GetLayer(views::Widget* widget) { |
| 56 | return widget->GetNativeView()->layer(); |
| 57 | } |
| 58 | |
| 59 | bool IsDraggingTrayEnabled() { |
| 60 | static bool dragging_tray_allowed = CommandLine::ForCurrentProcess()-> |
| 61 | HasSwitch(ash::switches::kAshEnableTrayDragging); |
| 62 | return dragging_tray_allowed; |
| 63 | } |
| 64 | |
| 65 | } // namespace |
| 66 | |
| 67 | // static |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 68 | const int ShelfLayoutManager::kWorkspaceAreaVisibleInset = 2; |
| 69 | |
| 70 | // static |
| 71 | const int ShelfLayoutManager::kWorkspaceAreaAutoHideInset = 5; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 72 | |
| 73 | // static |
| 74 | const int ShelfLayoutManager::kAutoHideSize = 3; |
| 75 | |
| 76 | // ShelfLayoutManager::AutoHideEventFilter ------------------------------------- |
| 77 | |
| 78 | // Notifies ShelfLayoutManager any time the mouse moves. |
| 79 | class ShelfLayoutManager::AutoHideEventFilter : public ui::EventHandler { |
| 80 | public: |
| 81 | explicit AutoHideEventFilter(ShelfLayoutManager* shelf); |
| 82 | virtual ~AutoHideEventFilter(); |
| 83 | |
| 84 | // Returns true if the last mouse event was a mouse drag. |
| 85 | bool in_mouse_drag() const { return in_mouse_drag_; } |
| 86 | |
| 87 | // Overridden from ui::EventHandler: |
| 88 | virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 89 | virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 90 | |
| 91 | private: |
| 92 | ShelfLayoutManager* shelf_; |
| 93 | bool in_mouse_drag_; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 94 | ShelfGestureHandler gesture_handler_; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 95 | |
| 96 | DISALLOW_COPY_AND_ASSIGN(AutoHideEventFilter); |
| 97 | }; |
| 98 | |
| 99 | ShelfLayoutManager::AutoHideEventFilter::AutoHideEventFilter( |
| 100 | ShelfLayoutManager* shelf) |
| 101 | : shelf_(shelf), |
| 102 | in_mouse_drag_(false) { |
| 103 | Shell::GetInstance()->AddPreTargetHandler(this); |
| 104 | } |
| 105 | |
| 106 | ShelfLayoutManager::AutoHideEventFilter::~AutoHideEventFilter() { |
| 107 | Shell::GetInstance()->RemovePreTargetHandler(this); |
| 108 | } |
| 109 | |
| 110 | void ShelfLayoutManager::AutoHideEventFilter::OnMouseEvent( |
| 111 | ui::MouseEvent* event) { |
| 112 | // This also checks IsShelfWindow() to make sure we don't attempt to hide the |
| 113 | // shelf if the mouse down occurs on the shelf. |
| 114 | in_mouse_drag_ = (event->type() == ui::ET_MOUSE_DRAGGED || |
| 115 | (in_mouse_drag_ && event->type() != ui::ET_MOUSE_RELEASED && |
| 116 | event->type() != ui::ET_MOUSE_CAPTURE_CHANGED)) && |
| 117 | !shelf_->IsShelfWindow(static_cast<aura::Window*>(event->target())); |
| 118 | if (event->type() == ui::ET_MOUSE_MOVED) |
| 119 | shelf_->UpdateAutoHideState(); |
| 120 | return; |
| 121 | } |
| 122 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 123 | void ShelfLayoutManager::AutoHideEventFilter::OnGestureEvent( |
| 124 | ui::GestureEvent* event) { |
| 125 | if (gesture_handler_.ProcessGestureEvent(*event)) |
| 126 | event->StopPropagation(); |
| 127 | } |
| 128 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 129 | // ShelfLayoutManager:UpdateShelfObserver -------------------------------------- |
| 130 | |
| 131 | // UpdateShelfObserver is used to delay updating the background until the |
| 132 | // animation completes. |
| 133 | class ShelfLayoutManager::UpdateShelfObserver |
| 134 | : public ui::ImplicitAnimationObserver { |
| 135 | public: |
| 136 | explicit UpdateShelfObserver(ShelfLayoutManager* shelf) : shelf_(shelf) { |
| 137 | shelf_->update_shelf_observer_ = this; |
| 138 | } |
| 139 | |
| 140 | void Detach() { |
| 141 | shelf_ = NULL; |
| 142 | } |
| 143 | |
| 144 | virtual void OnImplicitAnimationsCompleted() OVERRIDE { |
| 145 | if (shelf_) { |
| 146 | shelf_->UpdateShelfBackground(BackgroundAnimator::CHANGE_ANIMATE); |
| 147 | } |
| 148 | delete this; |
| 149 | } |
| 150 | |
| 151 | private: |
| 152 | virtual ~UpdateShelfObserver() { |
| 153 | if (shelf_) |
| 154 | shelf_->update_shelf_observer_ = NULL; |
| 155 | } |
| 156 | |
| 157 | // Shelf we're in. NULL if deleted before we're deleted. |
| 158 | ShelfLayoutManager* shelf_; |
| 159 | |
| 160 | DISALLOW_COPY_AND_ASSIGN(UpdateShelfObserver); |
| 161 | }; |
| 162 | |
| 163 | // ShelfLayoutManager ---------------------------------------------------------- |
| 164 | |
| 165 | ShelfLayoutManager::ShelfLayoutManager(ShelfWidget* shelf) |
| 166 | : root_window_(shelf->GetNativeView()->GetRootWindow()), |
| 167 | in_layout_(false), |
| 168 | auto_hide_behavior_(SHELF_AUTO_HIDE_BEHAVIOR_NEVER), |
| 169 | alignment_(SHELF_ALIGNMENT_BOTTOM), |
| 170 | shelf_(shelf), |
| 171 | workspace_controller_(NULL), |
| 172 | window_overlaps_shelf_(false), |
| 173 | gesture_drag_status_(GESTURE_DRAG_NONE), |
| 174 | gesture_drag_amount_(0.f), |
| 175 | gesture_drag_auto_hide_state_(SHELF_AUTO_HIDE_SHOWN), |
| 176 | update_shelf_observer_(NULL) { |
| 177 | Shell::GetInstance()->AddShellObserver(this); |
| 178 | aura::client::GetActivationClient(root_window_)->AddObserver(this); |
| 179 | } |
| 180 | |
| 181 | ShelfLayoutManager::~ShelfLayoutManager() { |
| 182 | if (update_shelf_observer_) |
| 183 | update_shelf_observer_->Detach(); |
| 184 | |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 185 | FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, WillDeleteShelf()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 186 | Shell::GetInstance()->RemoveShellObserver(this); |
| 187 | aura::client::GetActivationClient(root_window_)->RemoveObserver(this); |
| 188 | } |
| 189 | |
| 190 | void ShelfLayoutManager::SetAutoHideBehavior(ShelfAutoHideBehavior behavior) { |
| 191 | if (auto_hide_behavior_ == behavior) |
| 192 | return; |
| 193 | auto_hide_behavior_ = behavior; |
| 194 | UpdateVisibilityState(); |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 195 | FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 196 | OnAutoHideStateChanged(state_.auto_hide_state)); |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 197 | FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 198 | OnAutoHideBehaviorChanged(auto_hide_behavior_)); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | bool ShelfLayoutManager::IsVisible() const { |
| 202 | return shelf_->status_area_widget()->IsVisible() && |
| 203 | (state_.visibility_state == SHELF_VISIBLE || |
| 204 | (state_.visibility_state == SHELF_AUTO_HIDE && |
| 205 | state_.auto_hide_state == SHELF_AUTO_HIDE_SHOWN)); |
| 206 | } |
| 207 | |
| 208 | bool ShelfLayoutManager::SetAlignment(ShelfAlignment alignment) { |
| 209 | if (alignment_ == alignment) |
| 210 | return false; |
| 211 | |
| 212 | alignment_ = alignment; |
| 213 | if (shelf_->launcher()) |
| 214 | shelf_->launcher()->SetAlignment(alignment); |
| 215 | shelf_->status_area_widget()->SetShelfAlignment(alignment); |
| 216 | LayoutShelf(); |
| 217 | return true; |
| 218 | } |
| 219 | |
| 220 | gfx::Rect ShelfLayoutManager::GetIdealBounds() { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 221 | gfx::Rect bounds( |
| 222 | ScreenAsh::GetDisplayBoundsInParent(shelf_->GetNativeView())); |
| 223 | int width = 0, height = 0; |
| 224 | GetShelfSize(&width, &height); |
| 225 | return SelectValueForShelfAlignment( |
| 226 | gfx::Rect(bounds.x(), bounds.bottom() - height, bounds.width(), height), |
| 227 | gfx::Rect(bounds.x(), bounds.y(), width, bounds.height()), |
| 228 | gfx::Rect(bounds.right() - width, bounds.y(), width, bounds.height()), |
| 229 | gfx::Rect(bounds.x(), bounds.y(), bounds.width(), height)); |
| 230 | } |
| 231 | |
| 232 | void ShelfLayoutManager::LayoutShelf() { |
| 233 | base::AutoReset<bool> auto_reset_in_layout(&in_layout_, true); |
| 234 | StopAnimating(); |
| 235 | TargetBounds target_bounds; |
| 236 | CalculateTargetBounds(state_, &target_bounds); |
| 237 | GetLayer(shelf_)->SetOpacity(target_bounds.opacity); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 238 | shelf_->SetWidgetBounds( |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 239 | ScreenAsh::ConvertRectToScreen( |
| 240 | shelf_->GetNativeView()->parent(), |
| 241 | target_bounds.shelf_bounds_in_root)); |
| 242 | if (shelf_->launcher()) |
| 243 | shelf_->launcher()->SetLauncherViewBounds( |
| 244 | target_bounds.launcher_bounds_in_shelf); |
| 245 | GetLayer(shelf_->status_area_widget())->SetOpacity(target_bounds.opacity); |
| 246 | // TODO(harrym): Once status area widget is a child view of shelf |
| 247 | // this can be simplified. |
| 248 | gfx::Rect status_bounds = target_bounds.status_bounds_in_shelf; |
| 249 | status_bounds.set_x(status_bounds.x() + |
| 250 | target_bounds.shelf_bounds_in_root.x()); |
| 251 | status_bounds.set_y(status_bounds.y() + |
| 252 | target_bounds.shelf_bounds_in_root.y()); |
| 253 | shelf_->status_area_widget()->SetBounds( |
| 254 | ScreenAsh::ConvertRectToScreen( |
| 255 | shelf_->status_area_widget()->GetNativeView()->parent(), |
| 256 | status_bounds)); |
| 257 | Shell::GetInstance()->SetDisplayWorkAreaInsets( |
| 258 | root_window_, target_bounds.work_area_insets); |
| 259 | UpdateHitTestBounds(); |
| 260 | } |
| 261 | |
| 262 | ShelfVisibilityState ShelfLayoutManager::CalculateShelfVisibility() { |
| 263 | switch(auto_hide_behavior_) { |
| 264 | case SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS: |
| 265 | return SHELF_AUTO_HIDE; |
| 266 | case SHELF_AUTO_HIDE_BEHAVIOR_NEVER: |
| 267 | return SHELF_VISIBLE; |
| 268 | case SHELF_AUTO_HIDE_ALWAYS_HIDDEN: |
| 269 | return SHELF_HIDDEN; |
| 270 | } |
| 271 | return SHELF_VISIBLE; |
| 272 | } |
| 273 | |
| 274 | ShelfVisibilityState |
| 275 | ShelfLayoutManager::CalculateShelfVisibilityWhileDragging() { |
| 276 | switch(auto_hide_behavior_) { |
| 277 | case SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS: |
| 278 | case SHELF_AUTO_HIDE_BEHAVIOR_NEVER: |
| 279 | return SHELF_AUTO_HIDE; |
| 280 | case SHELF_AUTO_HIDE_ALWAYS_HIDDEN: |
| 281 | return SHELF_HIDDEN; |
| 282 | } |
| 283 | return SHELF_VISIBLE; |
| 284 | } |
| 285 | |
| 286 | void ShelfLayoutManager::UpdateVisibilityState() { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 287 | if (Shell::GetInstance()->session_state_delegate()->IsScreenLocked()) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 288 | SetState(SHELF_VISIBLE); |
| 289 | } else if (gesture_drag_status_ == GESTURE_DRAG_COMPLETE_IN_PROGRESS) { |
| 290 | // TODO(zelidrag): Verify shelf drag animation still shows on the device |
| 291 | // when we are in SHELF_AUTO_HIDE_ALWAYS_HIDDEN. |
| 292 | SetState(CalculateShelfVisibilityWhileDragging()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 293 | } else { |
| 294 | WorkspaceWindowState window_state(workspace_controller_->GetWindowState()); |
| 295 | switch (window_state) { |
| 296 | case WORKSPACE_WINDOW_STATE_FULL_SCREEN: |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 297 | { |
| 298 | aura::Window* fullscreen_window = |
| 299 | GetRootWindowController(root_window_)->GetFullscreenWindow(); |
| 300 | if (fullscreen_window->GetProperty(kFullscreenUsesMinimalChromeKey)) { |
| 301 | DCHECK_NE(auto_hide_behavior_, SHELF_AUTO_HIDE_ALWAYS_HIDDEN); |
| 302 | SetState(SHELF_AUTO_HIDE); |
| 303 | } else { |
| 304 | SetState(SHELF_HIDDEN); |
| 305 | } |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 306 | break; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 307 | } |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 308 | case WORKSPACE_WINDOW_STATE_MAXIMIZED: |
| 309 | SetState(CalculateShelfVisibility()); |
| 310 | break; |
| 311 | |
| 312 | case WORKSPACE_WINDOW_STATE_WINDOW_OVERLAPS_SHELF: |
| 313 | case WORKSPACE_WINDOW_STATE_DEFAULT: |
| 314 | SetState(CalculateShelfVisibility()); |
| 315 | SetWindowOverlapsShelf(window_state == |
| 316 | WORKSPACE_WINDOW_STATE_WINDOW_OVERLAPS_SHELF); |
| 317 | break; |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | void ShelfLayoutManager::UpdateAutoHideState() { |
| 323 | ShelfAutoHideState auto_hide_state = |
| 324 | CalculateAutoHideState(state_.visibility_state); |
| 325 | if (auto_hide_state != state_.auto_hide_state) { |
| 326 | if (auto_hide_state == SHELF_AUTO_HIDE_HIDDEN) { |
| 327 | // Hides happen immediately. |
| 328 | SetState(state_.visibility_state); |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 329 | FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 330 | OnAutoHideStateChanged(auto_hide_state)); |
| 331 | } else { |
| 332 | auto_hide_timer_.Stop(); |
| 333 | auto_hide_timer_.Start( |
| 334 | FROM_HERE, |
| 335 | base::TimeDelta::FromMilliseconds(kAutoHideDelayMS), |
| 336 | this, &ShelfLayoutManager::UpdateAutoHideStateNow); |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 337 | FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, |
| 338 | OnAutoHideStateChanged( |
| 339 | CalculateAutoHideState(state_.visibility_state))); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 340 | } |
| 341 | } else { |
| 342 | auto_hide_timer_.Stop(); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | void ShelfLayoutManager::SetWindowOverlapsShelf(bool value) { |
| 347 | window_overlaps_shelf_ = value; |
| 348 | UpdateShelfBackground(BackgroundAnimator::CHANGE_ANIMATE); |
| 349 | } |
| 350 | |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 351 | void ShelfLayoutManager::AddObserver(ShelfLayoutManagerObserver* observer) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 352 | observers_.AddObserver(observer); |
| 353 | } |
| 354 | |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 355 | void ShelfLayoutManager::RemoveObserver(ShelfLayoutManagerObserver* observer) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 356 | observers_.RemoveObserver(observer); |
| 357 | } |
| 358 | |
| 359 | //////////////////////////////////////////////////////////////////////////////// |
| 360 | // ShelfLayoutManager, Gesture dragging: |
| 361 | |
| 362 | void ShelfLayoutManager::StartGestureDrag(const ui::GestureEvent& gesture) { |
| 363 | gesture_drag_status_ = GESTURE_DRAG_IN_PROGRESS; |
| 364 | gesture_drag_amount_ = 0.f; |
| 365 | gesture_drag_auto_hide_state_ = visibility_state() == SHELF_AUTO_HIDE ? |
| 366 | auto_hide_state() : SHELF_AUTO_HIDE_SHOWN; |
| 367 | UpdateShelfBackground(BackgroundAnimator::CHANGE_ANIMATE); |
| 368 | } |
| 369 | |
| 370 | ShelfLayoutManager::DragState ShelfLayoutManager::UpdateGestureDrag( |
| 371 | const ui::GestureEvent& gesture) { |
| 372 | bool horizontal = IsHorizontalAlignment(); |
| 373 | gesture_drag_amount_ += horizontal ? gesture.details().scroll_y() : |
| 374 | gesture.details().scroll_x(); |
| 375 | LayoutShelf(); |
| 376 | |
| 377 | // Start reveling the status menu when: |
| 378 | // - dragging up on an already visible shelf |
| 379 | // - dragging up on a hidden shelf, but it is currently completely visible. |
| 380 | if (horizontal && gesture.details().scroll_y() < 0) { |
| 381 | int min_height = 0; |
| 382 | if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_HIDDEN && shelf_) |
| 383 | min_height = shelf_->GetContentsView()->GetPreferredSize().height(); |
| 384 | |
| 385 | if (min_height < shelf_->GetWindowBoundsInScreen().height() && |
| 386 | gesture.root_location().x() >= |
| 387 | shelf_->status_area_widget()->GetWindowBoundsInScreen().x() && |
| 388 | IsDraggingTrayEnabled()) |
| 389 | return DRAG_TRAY; |
| 390 | } |
| 391 | |
| 392 | return DRAG_SHELF; |
| 393 | } |
| 394 | |
| 395 | void ShelfLayoutManager::CompleteGestureDrag(const ui::GestureEvent& gesture) { |
| 396 | bool horizontal = IsHorizontalAlignment(); |
| 397 | bool should_change = false; |
| 398 | if (gesture.type() == ui::ET_GESTURE_SCROLL_END) { |
| 399 | // The visibility of the shelf changes only if the shelf was dragged X% |
| 400 | // along the correct axis. If the shelf was already visible, then the |
| 401 | // direction of the drag does not matter. |
| 402 | const float kDragHideThreshold = 0.4f; |
| 403 | gfx::Rect bounds = GetIdealBounds(); |
| 404 | float drag_ratio = fabs(gesture_drag_amount_) / |
| 405 | (horizontal ? bounds.height() : bounds.width()); |
| 406 | if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_SHOWN) { |
| 407 | should_change = drag_ratio > kDragHideThreshold; |
| 408 | } else { |
| 409 | bool correct_direction = false; |
| 410 | switch (alignment_) { |
| 411 | case SHELF_ALIGNMENT_BOTTOM: |
| 412 | case SHELF_ALIGNMENT_RIGHT: |
| 413 | correct_direction = gesture_drag_amount_ < 0; |
| 414 | break; |
| 415 | case SHELF_ALIGNMENT_LEFT: |
| 416 | case SHELF_ALIGNMENT_TOP: |
| 417 | correct_direction = gesture_drag_amount_ > 0; |
| 418 | break; |
| 419 | } |
| 420 | should_change = correct_direction && drag_ratio > kDragHideThreshold; |
| 421 | } |
| 422 | } else if (gesture.type() == ui::ET_SCROLL_FLING_START) { |
| 423 | if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_SHOWN) { |
| 424 | should_change = horizontal ? fabs(gesture.details().velocity_y()) > 0 : |
| 425 | fabs(gesture.details().velocity_x()) > 0; |
| 426 | } else { |
| 427 | should_change = SelectValueForShelfAlignment( |
| 428 | gesture.details().velocity_y() < 0, |
| 429 | gesture.details().velocity_x() > 0, |
| 430 | gesture.details().velocity_x() < 0, |
| 431 | gesture.details().velocity_y() > 0); |
| 432 | } |
| 433 | } else { |
| 434 | NOTREACHED(); |
| 435 | } |
| 436 | |
| 437 | if (!should_change) { |
| 438 | CancelGestureDrag(); |
| 439 | return; |
| 440 | } |
| 441 | |
| 442 | gesture_drag_auto_hide_state_ = |
| 443 | gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_SHOWN ? |
| 444 | SHELF_AUTO_HIDE_HIDDEN : SHELF_AUTO_HIDE_SHOWN; |
| 445 | if (shelf_) |
| 446 | shelf_->Deactivate(); |
| 447 | shelf_->status_area_widget()->Deactivate(); |
| 448 | if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_HIDDEN && |
| 449 | auto_hide_behavior_ != SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS) { |
| 450 | gesture_drag_status_ = GESTURE_DRAG_NONE; |
| 451 | SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS); |
| 452 | } else if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_SHOWN && |
| 453 | auto_hide_behavior_ != SHELF_AUTO_HIDE_BEHAVIOR_NEVER) { |
| 454 | gesture_drag_status_ = GESTURE_DRAG_NONE; |
| 455 | SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER); |
| 456 | } else { |
| 457 | gesture_drag_status_ = GESTURE_DRAG_COMPLETE_IN_PROGRESS; |
| 458 | UpdateVisibilityState(); |
| 459 | gesture_drag_status_ = GESTURE_DRAG_NONE; |
| 460 | } |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 461 | LayoutShelf(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 462 | } |
| 463 | |
| 464 | void ShelfLayoutManager::CancelGestureDrag() { |
| 465 | gesture_drag_status_ = GESTURE_DRAG_NONE; |
| 466 | ui::ScopedLayerAnimationSettings |
| 467 | launcher_settings(GetLayer(shelf_)->GetAnimator()), |
| 468 | status_settings(GetLayer(shelf_->status_area_widget())->GetAnimator()); |
| 469 | LayoutShelf(); |
| 470 | UpdateVisibilityState(); |
| 471 | UpdateShelfBackground(BackgroundAnimator::CHANGE_ANIMATE); |
| 472 | } |
| 473 | |
| 474 | //////////////////////////////////////////////////////////////////////////////// |
| 475 | // ShelfLayoutManager, aura::LayoutManager implementation: |
| 476 | |
| 477 | void ShelfLayoutManager::OnWindowResized() { |
| 478 | LayoutShelf(); |
| 479 | } |
| 480 | |
| 481 | void ShelfLayoutManager::OnWindowAddedToLayout(aura::Window* child) { |
| 482 | } |
| 483 | |
| 484 | void ShelfLayoutManager::OnWillRemoveWindowFromLayout(aura::Window* child) { |
| 485 | } |
| 486 | |
| 487 | void ShelfLayoutManager::OnWindowRemovedFromLayout(aura::Window* child) { |
| 488 | } |
| 489 | |
| 490 | void ShelfLayoutManager::OnChildWindowVisibilityChanged(aura::Window* child, |
| 491 | bool visible) { |
| 492 | } |
| 493 | |
| 494 | void ShelfLayoutManager::SetChildBounds(aura::Window* child, |
| 495 | const gfx::Rect& requested_bounds) { |
| 496 | SetChildBoundsDirect(child, requested_bounds); |
| 497 | // We may contain other widgets (such as frame maximize bubble) but they don't |
| 498 | // effect the layout in anyway. |
| 499 | if (!in_layout_ && |
| 500 | ((shelf_->GetNativeView() == child) || |
| 501 | (shelf_->status_area_widget()->GetNativeView() == child))) { |
| 502 | LayoutShelf(); |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | void ShelfLayoutManager::OnLockStateChanged(bool locked) { |
| 507 | UpdateVisibilityState(); |
| 508 | } |
| 509 | |
| 510 | void ShelfLayoutManager::OnWindowActivated(aura::Window* gained_active, |
| 511 | aura::Window* lost_active) { |
| 512 | UpdateAutoHideStateNow(); |
| 513 | } |
| 514 | |
| 515 | bool ShelfLayoutManager::IsHorizontalAlignment() const { |
| 516 | return alignment_ == SHELF_ALIGNMENT_BOTTOM || |
| 517 | alignment_ == SHELF_ALIGNMENT_TOP; |
| 518 | } |
| 519 | |
| 520 | // static |
| 521 | ShelfLayoutManager* ShelfLayoutManager::ForLauncher(aura::Window* window) { |
| 522 | ShelfWidget* shelf = RootWindowController::ForLauncher(window)->shelf(); |
| 523 | return shelf ? shelf->shelf_layout_manager() : NULL; |
| 524 | } |
| 525 | |
| 526 | //////////////////////////////////////////////////////////////////////////////// |
| 527 | // ShelfLayoutManager, private: |
| 528 | |
| 529 | ShelfLayoutManager::TargetBounds::TargetBounds() : opacity(0.0f) {} |
| 530 | ShelfLayoutManager::TargetBounds::~TargetBounds() {} |
| 531 | |
| 532 | void ShelfLayoutManager::SetState(ShelfVisibilityState visibility_state) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 533 | if (!shelf_->GetNativeView()) |
| 534 | return; |
| 535 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 536 | State state; |
| 537 | state.visibility_state = visibility_state; |
| 538 | state.auto_hide_state = CalculateAutoHideState(visibility_state); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 539 | state.is_screen_locked = |
| 540 | Shell::GetInstance()->session_state_delegate()->IsScreenLocked(); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 541 | |
| 542 | // It's possible for SetState() when a window becomes maximized but the state |
| 543 | // won't have changed value. Do the dimming check before the early exit. |
| 544 | if (workspace_controller_) { |
| 545 | shelf_->SetDimsShelf( |
| 546 | (state.visibility_state == SHELF_VISIBLE) && |
| 547 | workspace_controller_->GetWindowState() == |
| 548 | WORKSPACE_WINDOW_STATE_MAXIMIZED); |
| 549 | } |
| 550 | |
| 551 | if (state_.Equals(state)) |
| 552 | return; // Nothing changed. |
| 553 | |
Torne (Richard Coles) | b2df76e | 2013-05-13 16:52:09 +0100 | [diff] [blame^] | 554 | FOR_EACH_OBSERVER(ShelfLayoutManagerObserver, observers_, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 555 | WillChangeVisibilityState(visibility_state)); |
| 556 | |
| 557 | if (state.visibility_state == SHELF_AUTO_HIDE) { |
| 558 | // When state is SHELF_AUTO_HIDE we need to track when the mouse is over the |
| 559 | // launcher to unhide the shelf. AutoHideEventFilter does that for us. |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 560 | if (!event_filter_) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 561 | event_filter_.reset(new AutoHideEventFilter(this)); |
| 562 | } else { |
| 563 | event_filter_.reset(NULL); |
| 564 | } |
| 565 | |
| 566 | auto_hide_timer_.Stop(); |
| 567 | |
| 568 | // Animating the background when transitioning from auto-hide & hidden to |
| 569 | // visible is janky. Update the background immediately in this case. |
| 570 | BackgroundAnimator::ChangeType change_type = |
| 571 | (state_.visibility_state == SHELF_AUTO_HIDE && |
| 572 | state_.auto_hide_state == SHELF_AUTO_HIDE_HIDDEN && |
| 573 | state.visibility_state == SHELF_VISIBLE) ? |
| 574 | BackgroundAnimator::CHANGE_IMMEDIATE : BackgroundAnimator::CHANGE_ANIMATE; |
| 575 | StopAnimating(); |
| 576 | |
| 577 | State old_state = state_; |
| 578 | state_ = state; |
| 579 | TargetBounds target_bounds; |
| 580 | CalculateTargetBounds(state_, &target_bounds); |
| 581 | |
| 582 | ui::ScopedLayerAnimationSettings launcher_animation_setter( |
| 583 | GetLayer(shelf_)->GetAnimator()); |
| 584 | launcher_animation_setter.SetTransitionDuration( |
| 585 | base::TimeDelta::FromMilliseconds(kWorkspaceSwitchTimeMS)); |
| 586 | launcher_animation_setter.SetTweenType(ui::Tween::EASE_OUT); |
| 587 | GetLayer(shelf_)->SetBounds( |
| 588 | target_bounds.shelf_bounds_in_root); |
| 589 | GetLayer(shelf_)->SetOpacity(target_bounds.opacity); |
| 590 | ui::ScopedLayerAnimationSettings status_animation_setter( |
| 591 | GetLayer(shelf_->status_area_widget())->GetAnimator()); |
| 592 | status_animation_setter.SetTransitionDuration( |
| 593 | base::TimeDelta::FromMilliseconds(kWorkspaceSwitchTimeMS)); |
| 594 | status_animation_setter.SetTweenType(ui::Tween::EASE_OUT); |
| 595 | |
| 596 | // Delay updating the background when going from SHELF_AUTO_HIDE_SHOWN to |
| 597 | // SHELF_AUTO_HIDE_HIDDEN until the shelf animates out. Otherwise during the |
| 598 | // animation you see the background change. |
| 599 | // Also delay the animation when the shelf was hidden, and has just been made |
| 600 | // visible (e.g. using a gesture-drag). |
| 601 | bool delay_shelf_update = |
| 602 | state.visibility_state == SHELF_AUTO_HIDE && |
| 603 | state.auto_hide_state == SHELF_AUTO_HIDE_HIDDEN && |
| 604 | old_state.visibility_state == SHELF_AUTO_HIDE; |
| 605 | |
| 606 | if (state.visibility_state == SHELF_VISIBLE && |
| 607 | old_state.visibility_state == SHELF_AUTO_HIDE && |
| 608 | old_state.auto_hide_state == SHELF_AUTO_HIDE_HIDDEN) |
| 609 | delay_shelf_update = true; |
| 610 | |
| 611 | if (delay_shelf_update) { |
| 612 | if (update_shelf_observer_) |
| 613 | update_shelf_observer_->Detach(); |
| 614 | // UpdateShelfBackground deletes itself when the animation is done. |
| 615 | update_shelf_observer_ = new UpdateShelfObserver(this); |
| 616 | status_animation_setter.AddObserver(update_shelf_observer_); |
| 617 | } |
| 618 | ui::Layer* layer = GetLayer(shelf_->status_area_widget()); |
| 619 | // TODO(harrym): Remove when status_area is view (crbug.com/180422). |
| 620 | gfx::Rect status_bounds = target_bounds.status_bounds_in_shelf; |
| 621 | status_bounds.set_x(status_bounds.x() + |
| 622 | target_bounds.shelf_bounds_in_root.x()); |
| 623 | status_bounds.set_y(status_bounds.y() + |
| 624 | target_bounds.shelf_bounds_in_root.y()); |
| 625 | layer->SetBounds(status_bounds); |
| 626 | layer->SetOpacity(target_bounds.opacity); |
| 627 | Shell::GetInstance()->SetDisplayWorkAreaInsets( |
| 628 | root_window_, target_bounds.work_area_insets); |
| 629 | UpdateHitTestBounds(); |
| 630 | if (!delay_shelf_update) |
| 631 | UpdateShelfBackground(change_type); |
| 632 | } |
| 633 | |
| 634 | void ShelfLayoutManager::StopAnimating() { |
| 635 | GetLayer(shelf_)->GetAnimator()->StopAnimating(); |
| 636 | GetLayer(shelf_->status_area_widget())->GetAnimator()->StopAnimating(); |
| 637 | } |
| 638 | |
| 639 | void ShelfLayoutManager::GetShelfSize(int* width, int* height) { |
| 640 | *width = *height = 0; |
| 641 | gfx::Size status_size( |
| 642 | shelf_->status_area_widget()->GetWindowBoundsInScreen().size()); |
| 643 | if (IsHorizontalAlignment()) |
| 644 | *height = std::max(kLauncherPreferredSize, status_size.height()); |
| 645 | else |
| 646 | *width = std::max(kLauncherPreferredSize, status_size.width()); |
| 647 | } |
| 648 | |
| 649 | void ShelfLayoutManager::AdjustBoundsBasedOnAlignment(int inset, |
| 650 | gfx::Rect* bounds) const { |
| 651 | bounds->Inset(SelectValueForShelfAlignment( |
| 652 | gfx::Insets(0, 0, inset, 0), |
| 653 | gfx::Insets(0, inset, 0, 0), |
| 654 | gfx::Insets(0, 0, 0, inset), |
| 655 | gfx::Insets(inset, 0, 0, 0))); |
| 656 | } |
| 657 | |
| 658 | void ShelfLayoutManager::CalculateTargetBounds( |
| 659 | const State& state, |
| 660 | TargetBounds* target_bounds) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 661 | const gfx::Rect available_bounds(GetAvailableBounds()); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 662 | gfx::Rect status_size( |
| 663 | shelf_->status_area_widget()->GetWindowBoundsInScreen().size()); |
| 664 | int shelf_width = 0, shelf_height = 0; |
| 665 | GetShelfSize(&shelf_width, &shelf_height); |
| 666 | if (IsHorizontalAlignment()) |
| 667 | shelf_width = available_bounds.width(); |
| 668 | else |
| 669 | shelf_height = available_bounds.height(); |
| 670 | |
| 671 | if (state.visibility_state == SHELF_AUTO_HIDE && |
| 672 | state.auto_hide_state == SHELF_AUTO_HIDE_HIDDEN) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 673 | // Auto-hidden shelf always starts with the default size. If a gesture-drag |
| 674 | // is in progress, then the call to UpdateTargetBoundsForGesture() below |
| 675 | // takes care of setting the height properly. |
| 676 | if (IsHorizontalAlignment()) |
| 677 | shelf_height = kAutoHideSize; |
| 678 | else |
| 679 | shelf_width = kAutoHideSize; |
| 680 | } else if (state.visibility_state == SHELF_HIDDEN || |
| 681 | !keyboard_bounds_.IsEmpty()) { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 682 | if (IsHorizontalAlignment()) |
| 683 | shelf_height = 0; |
| 684 | else |
| 685 | shelf_width = 0; |
| 686 | } |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 687 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 688 | target_bounds->shelf_bounds_in_root = SelectValueForShelfAlignment( |
| 689 | gfx::Rect(available_bounds.x(), available_bounds.bottom() - shelf_height, |
| 690 | available_bounds.width(), shelf_height), |
| 691 | gfx::Rect(available_bounds.x(), available_bounds.y(), |
| 692 | shelf_width, available_bounds.height()), |
| 693 | gfx::Rect(available_bounds.right() - shelf_width, available_bounds.y(), |
| 694 | shelf_width, available_bounds.height()), |
| 695 | gfx::Rect(available_bounds.x(), available_bounds.y(), |
| 696 | available_bounds.width(), shelf_height)); |
| 697 | |
| 698 | int status_inset = (kLauncherPreferredSize - |
| 699 | PrimaryAxisValue(status_size.height(), status_size.width())); |
| 700 | |
| 701 | target_bounds->status_bounds_in_shelf = SelectValueForShelfAlignment( |
| 702 | gfx::Rect(base::i18n::IsRTL() ? 0 : shelf_width - status_size.width(), |
| 703 | status_inset, status_size.width(), status_size.height()), |
| 704 | gfx::Rect(shelf_width - (status_size.width() + status_inset), |
| 705 | shelf_height - status_size.height(), status_size.width(), |
| 706 | status_size.height()), |
| 707 | gfx::Rect(status_inset, shelf_height - status_size.height(), |
| 708 | status_size.width(), status_size.height()), |
| 709 | gfx::Rect(base::i18n::IsRTL() ? 0 : shelf_width - status_size.width(), |
| 710 | shelf_height - (status_size.height() + status_inset), |
| 711 | status_size.width(), status_size.height())); |
| 712 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 713 | target_bounds->work_area_insets = SelectValueForShelfAlignment( |
| 714 | gfx::Insets(0, 0, GetWorkAreaSize(state, shelf_height), 0), |
| 715 | gfx::Insets(0, GetWorkAreaSize(state, shelf_width), 0, 0), |
| 716 | gfx::Insets(0, 0, 0, GetWorkAreaSize(state, shelf_width)), |
| 717 | gfx::Insets(GetWorkAreaSize(state, shelf_height), 0, 0, 0)); |
| 718 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 719 | // Also push in the work area inset for the keyboard if it is visible. |
| 720 | if (!keyboard_bounds_.IsEmpty()) { |
| 721 | target_bounds->work_area_insets.Set( |
| 722 | target_bounds->work_area_insets.top(), |
| 723 | target_bounds->work_area_insets.left(), |
| 724 | target_bounds->work_area_insets.bottom() + keyboard_bounds_.height(), |
| 725 | target_bounds->work_area_insets.right()); |
| 726 | } |
| 727 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 728 | target_bounds->opacity = |
| 729 | (gesture_drag_status_ != GESTURE_DRAG_NONE || |
| 730 | state.visibility_state == SHELF_VISIBLE || |
| 731 | state.visibility_state == SHELF_AUTO_HIDE) ? 1.0f : 0.0f; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 732 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 733 | if (gesture_drag_status_ == GESTURE_DRAG_IN_PROGRESS) |
| 734 | UpdateTargetBoundsForGesture(target_bounds); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 735 | |
| 736 | // This needs to happen after calling UpdateTargetBoundsForGesture(), because |
| 737 | // that can change the size of the shelf. |
| 738 | target_bounds->launcher_bounds_in_shelf = SelectValueForShelfAlignment( |
| 739 | gfx::Rect(base::i18n::IsRTL() ? status_size.width() : 0, 0, |
| 740 | shelf_width - status_size.width(), |
| 741 | target_bounds->shelf_bounds_in_root.height()), |
| 742 | gfx::Rect(0, 0, shelf_width, shelf_height - status_size.height()), |
| 743 | gfx::Rect(0, 0, shelf_width, shelf_height - status_size.height()), |
| 744 | gfx::Rect(base::i18n::IsRTL() ? status_size.width() : 0, 0, |
| 745 | shelf_width - status_size.width(), |
| 746 | target_bounds->shelf_bounds_in_root.height())); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 747 | } |
| 748 | |
| 749 | void ShelfLayoutManager::UpdateTargetBoundsForGesture( |
| 750 | TargetBounds* target_bounds) const { |
| 751 | CHECK_EQ(GESTURE_DRAG_IN_PROGRESS, gesture_drag_status_); |
| 752 | bool horizontal = IsHorizontalAlignment(); |
| 753 | const gfx::Rect& available_bounds(root_window_->bounds()); |
| 754 | int resistance_free_region = 0; |
| 755 | |
| 756 | if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_HIDDEN && |
| 757 | visibility_state() == SHELF_AUTO_HIDE && |
| 758 | auto_hide_state() != SHELF_AUTO_HIDE_SHOWN) { |
| 759 | // If the shelf was hidden when the drag started (and the state hasn't |
| 760 | // changed since then, e.g. because the tray-menu was shown because of the |
| 761 | // drag), then allow the drag some resistance-free region at first to make |
| 762 | // sure the shelf sticks with the finger until the shelf is visible. |
| 763 | resistance_free_region = kLauncherPreferredSize - kAutoHideSize; |
| 764 | } |
| 765 | |
| 766 | bool resist = SelectValueForShelfAlignment( |
| 767 | gesture_drag_amount_ < -resistance_free_region, |
| 768 | gesture_drag_amount_ > resistance_free_region, |
| 769 | gesture_drag_amount_ < -resistance_free_region, |
| 770 | gesture_drag_amount_ > resistance_free_region); |
| 771 | |
| 772 | float translate = 0.f; |
| 773 | if (resist) { |
| 774 | float diff = fabsf(gesture_drag_amount_) - resistance_free_region; |
| 775 | diff = std::min(diff, sqrtf(diff)); |
| 776 | if (gesture_drag_amount_ < 0) |
| 777 | translate = -resistance_free_region - diff; |
| 778 | else |
| 779 | translate = resistance_free_region + diff; |
| 780 | } else { |
| 781 | translate = gesture_drag_amount_; |
| 782 | } |
| 783 | |
| 784 | if (horizontal) { |
| 785 | // Move and size the launcher with the gesture. |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 786 | int shelf_height = target_bounds->shelf_bounds_in_root.height() - translate; |
| 787 | shelf_height = std::max(shelf_height, kAutoHideSize); |
| 788 | target_bounds->shelf_bounds_in_root.set_height(shelf_height); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 789 | if (alignment_ == SHELF_ALIGNMENT_BOTTOM) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 790 | target_bounds->shelf_bounds_in_root.set_y( |
| 791 | available_bounds.bottom() - shelf_height); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 792 | } |
| 793 | |
| 794 | // The statusbar should be in the center of the shelf. |
| 795 | gfx::Rect status_y = target_bounds->shelf_bounds_in_root; |
| 796 | status_y.set_y(0); |
| 797 | status_y.ClampToCenteredSize( |
| 798 | target_bounds->status_bounds_in_shelf.size()); |
| 799 | target_bounds->status_bounds_in_shelf.set_y(status_y.y()); |
| 800 | } else { |
| 801 | // Move and size the launcher with the gesture. |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 802 | int shelf_width = target_bounds->shelf_bounds_in_root.width() - translate; |
| 803 | shelf_width = std::max(shelf_width, kAutoHideSize); |
| 804 | target_bounds->shelf_bounds_in_root.set_width(shelf_width); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 805 | if (alignment_ == SHELF_ALIGNMENT_RIGHT) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 806 | target_bounds->shelf_bounds_in_root.set_y( |
| 807 | available_bounds.right() - shelf_width); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 808 | } |
| 809 | |
| 810 | // The statusbar should be in the center of the shelf. |
| 811 | gfx::Rect status_x = target_bounds->shelf_bounds_in_root; |
| 812 | status_x.set_x(0); |
| 813 | status_x.ClampToCenteredSize( |
| 814 | target_bounds->status_bounds_in_shelf.size()); |
| 815 | target_bounds->status_bounds_in_shelf.set_x(status_x.x()); |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | void ShelfLayoutManager::UpdateShelfBackground( |
| 820 | BackgroundAnimator::ChangeType type) { |
| 821 | bool launcher_paints = GetLauncherPaintsBackground(); |
| 822 | shelf_->SetPaintsBackground(launcher_paints, type); |
| 823 | } |
| 824 | |
| 825 | bool ShelfLayoutManager::GetLauncherPaintsBackground() const { |
| 826 | return gesture_drag_status_ != GESTURE_DRAG_NONE || |
| 827 | (!state_.is_screen_locked && window_overlaps_shelf_) || |
| 828 | (state_.visibility_state == SHELF_AUTO_HIDE) ; |
| 829 | } |
| 830 | |
| 831 | void ShelfLayoutManager::UpdateAutoHideStateNow() { |
| 832 | SetState(state_.visibility_state); |
| 833 | } |
| 834 | |
| 835 | ShelfAutoHideState ShelfLayoutManager::CalculateAutoHideState( |
| 836 | ShelfVisibilityState visibility_state) const { |
| 837 | if (visibility_state != SHELF_AUTO_HIDE || !shelf_) |
| 838 | return SHELF_AUTO_HIDE_HIDDEN; |
| 839 | |
| 840 | if (gesture_drag_status_ == GESTURE_DRAG_COMPLETE_IN_PROGRESS) |
| 841 | return gesture_drag_auto_hide_state_; |
| 842 | |
| 843 | Shell* shell = Shell::GetInstance(); |
| 844 | if (shell->GetAppListTargetVisibility()) |
| 845 | return SHELF_AUTO_HIDE_SHOWN; |
| 846 | |
| 847 | if (shelf_->status_area_widget() && |
| 848 | shelf_->status_area_widget()->ShouldShowLauncher()) |
| 849 | return SHELF_AUTO_HIDE_SHOWN; |
| 850 | |
| 851 | if (shelf_->launcher() && shelf_->launcher()->IsShowingMenu()) |
| 852 | return SHELF_AUTO_HIDE_SHOWN; |
| 853 | |
| 854 | if (shelf_->launcher() && shelf_->launcher()->IsShowingOverflowBubble()) |
| 855 | return SHELF_AUTO_HIDE_SHOWN; |
| 856 | |
| 857 | if (shelf_->IsActive() || shelf_->status_area_widget()->IsActive()) |
| 858 | return SHELF_AUTO_HIDE_SHOWN; |
| 859 | |
| 860 | // Don't show if the user is dragging the mouse. |
| 861 | if (event_filter_.get() && event_filter_->in_mouse_drag()) |
| 862 | return SHELF_AUTO_HIDE_HIDDEN; |
| 863 | |
| 864 | gfx::Rect shelf_region = shelf_->GetWindowBoundsInScreen(); |
| 865 | if (shelf_->status_area_widget() && |
| 866 | shelf_->status_area_widget()->IsMessageBubbleShown() && |
| 867 | IsVisible()) { |
| 868 | // Increase the the hit test area to prevent the shelf from disappearing |
| 869 | // when the mouse is over the bubble gap. |
| 870 | shelf_region.Inset(alignment_ == SHELF_ALIGNMENT_RIGHT ? |
| 871 | -kNotificationBubbleGapHeight : 0, |
| 872 | alignment_ == SHELF_ALIGNMENT_BOTTOM ? |
| 873 | -kNotificationBubbleGapHeight : 0, |
| 874 | alignment_ == SHELF_ALIGNMENT_LEFT ? |
| 875 | -kNotificationBubbleGapHeight : 0, |
| 876 | alignment_ == SHELF_ALIGNMENT_TOP ? |
| 877 | -kNotificationBubbleGapHeight : 0); |
| 878 | } |
| 879 | |
| 880 | if (shelf_region.Contains(Shell::GetScreen()->GetCursorScreenPoint())) |
| 881 | return SHELF_AUTO_HIDE_SHOWN; |
| 882 | |
| 883 | const std::vector<aura::Window*> windows = |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 884 | ash::WindowCycleController::BuildWindowList(NULL, false); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 885 | |
| 886 | // Process the window list and check if there are any visible windows. |
| 887 | for (size_t i = 0; i < windows.size(); ++i) { |
| 888 | if (windows[i] && windows[i]->IsVisible() && |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 889 | !ash::wm::IsWindowMinimized(windows[i]) && |
| 890 | root_window_ == windows[i]->GetRootWindow()) |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 891 | return SHELF_AUTO_HIDE_HIDDEN; |
| 892 | } |
| 893 | |
| 894 | // If there are no visible windows do not hide the shelf. |
| 895 | return SHELF_AUTO_HIDE_SHOWN; |
| 896 | } |
| 897 | |
| 898 | void ShelfLayoutManager::UpdateHitTestBounds() { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 899 | gfx::Insets mouse_insets; |
| 900 | gfx::Insets touch_insets; |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 901 | if (state_.visibility_state == SHELF_VISIBLE) { |
| 902 | // Let clicks at the very top of the launcher through so windows can be |
| 903 | // resized with the bottom-right corner and bottom edge. |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 904 | mouse_insets = GetInsetsForAlignment(kWorkspaceAreaVisibleInset); |
| 905 | } else if (state_.visibility_state == SHELF_AUTO_HIDE) { |
| 906 | // Extend the touch hit target out a bit to allow users to drag shelf out |
| 907 | // while hidden. |
| 908 | touch_insets = GetInsetsForAlignment(-kWorkspaceAreaAutoHideInset); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 909 | } |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 910 | |
| 911 | if (shelf_ && shelf_->GetNativeWindow()) |
| 912 | shelf_->GetNativeWindow()->SetHitTestBoundsOverrideOuter(mouse_insets, |
| 913 | touch_insets); |
| 914 | shelf_->status_area_widget()->GetNativeWindow()-> |
| 915 | SetHitTestBoundsOverrideOuter(mouse_insets, touch_insets); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 916 | } |
| 917 | |
| 918 | bool ShelfLayoutManager::IsShelfWindow(aura::Window* window) { |
| 919 | if (!window) |
| 920 | return false; |
| 921 | return (shelf_ && |
| 922 | shelf_->GetNativeWindow()->Contains(window)) || |
| 923 | (shelf_->status_area_widget()->GetNativeWindow()->Contains(window)); |
| 924 | } |
| 925 | |
| 926 | int ShelfLayoutManager::GetWorkAreaSize(const State& state, int size) const { |
| 927 | if (state.visibility_state == SHELF_VISIBLE) |
| 928 | return size; |
| 929 | if (state.visibility_state == SHELF_AUTO_HIDE) |
| 930 | return kAutoHideSize; |
| 931 | return 0; |
| 932 | } |
| 933 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 934 | gfx::Rect ShelfLayoutManager::GetAvailableBounds() const { |
| 935 | gfx::Rect bounds(root_window_->bounds()); |
| 936 | bounds.set_height(bounds.height() - keyboard_bounds_.height()); |
| 937 | return bounds; |
| 938 | } |
| 939 | |
| 940 | void ShelfLayoutManager::OnKeyboardBoundsChanging( |
| 941 | const gfx::Rect& keyboard_bounds) { |
| 942 | keyboard_bounds_ = keyboard_bounds; |
| 943 | OnWindowResized(); |
| 944 | } |
| 945 | |
| 946 | gfx::Insets ShelfLayoutManager::GetInsetsForAlignment(int distance) const { |
| 947 | switch (alignment_) { |
| 948 | case SHELF_ALIGNMENT_BOTTOM: |
| 949 | return gfx::Insets(distance, 0, 0, 0); |
| 950 | case SHELF_ALIGNMENT_LEFT: |
| 951 | return gfx::Insets(0, 0, 0, distance); |
| 952 | case SHELF_ALIGNMENT_RIGHT: |
| 953 | return gfx::Insets(0, distance, 0, 0); |
| 954 | case SHELF_ALIGNMENT_TOP: |
| 955 | return gfx::Insets(0, 0, distance, 0); |
| 956 | } |
| 957 | NOTREACHED(); |
| 958 | return gfx::Insets(); |
| 959 | } |
| 960 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 961 | } // namespace internal |
| 962 | } // namespace ash |