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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "athena/wm/window_manager_impl.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "athena/screen/public/screen_manager.h" | |
| 10 #include "athena/util/container_priorities.h" | |
| 11 #include "athena/wm/public/window_manager_observer.h" | |
| 12 #include "athena/wm/split_view_controller.h" | |
| 13 #include "athena/wm/title_drag_controller.h" | |
| 14 #include "athena/wm/window_list_provider_impl.h" | |
| 15 #include "athena/wm/window_overview_mode.h" | |
| 16 #include "base/bind.h" | |
| 17 #include "base/logging.h" | |
| 18 #include "ui/aura/client/aura_constants.h" | |
| 19 #include "ui/aura/layout_manager.h" | |
| 20 #include "ui/aura/window.h" | |
| 21 #include "ui/aura/window_delegate.h" | |
| 22 #include "ui/compositor/closure_animation_observer.h" | |
| 23 #include "ui/compositor/scoped_layer_animation_settings.h" | |
| 24 #include "ui/gfx/display.h" | |
| 25 #include "ui/gfx/screen.h" | |
| 26 #include "ui/wm/core/shadow_controller.h" | |
| 27 #include "ui/wm/core/transient_window_manager.h" | |
| 28 #include "ui/wm/core/window_util.h" | |
| 29 #include "ui/wm/core/wm_state.h" | |
| 30 #include "ui/wm/public/activation_client.h" | |
| 31 #include "ui/wm/public/window_types.h" | |
| 32 | |
| 33 namespace athena { | |
| 34 namespace { | |
| 35 class WindowManagerImpl* instance = nullptr; | |
| 36 | |
| 37 void SetWindowState(aura::Window* window, | |
| 38 const gfx::Rect& bounds, | |
| 39 const gfx::Transform& transform) { | |
| 40 window->SetBounds(bounds); | |
| 41 window->SetTransform(transform); | |
| 42 } | |
| 43 | |
| 44 // Tests whether the given window can be maximized | |
| 45 bool CanWindowMaximize(const aura::Window* const window) { | |
| 46 const aura::WindowDelegate* delegate = window->delegate(); | |
| 47 const bool no_max_size = | |
| 48 !delegate || delegate->GetMaximumSize().IsEmpty(); | |
| 49 return no_max_size && | |
| 50 window->GetProperty(aura::client::kCanMaximizeKey) && | |
| 51 window->GetProperty(aura::client::kCanResizeKey); | |
| 52 } | |
| 53 | |
| 54 } // namespace | |
| 55 | |
| 56 class AthenaContainerLayoutManager : public aura::LayoutManager { | |
| 57 public: | |
| 58 AthenaContainerLayoutManager(); | |
| 59 ~AthenaContainerLayoutManager() override; | |
| 60 | |
| 61 private: | |
| 62 // aura::LayoutManager: | |
| 63 void OnWindowResized() override; | |
| 64 void OnWindowAddedToLayout(aura::Window* child) override; | |
| 65 void OnWillRemoveWindowFromLayout(aura::Window* child) override; | |
| 66 void OnWindowRemovedFromLayout(aura::Window* child) override; | |
| 67 void OnChildWindowVisibilityChanged(aura::Window* child, | |
| 68 bool visible) override; | |
| 69 void SetChildBounds(aura::Window* child, | |
| 70 const gfx::Rect& requested_bounds) override; | |
| 71 | |
| 72 DISALLOW_COPY_AND_ASSIGN(AthenaContainerLayoutManager); | |
| 73 }; | |
| 74 | |
| 75 AthenaContainerLayoutManager::AthenaContainerLayoutManager() { | |
| 76 } | |
| 77 | |
| 78 AthenaContainerLayoutManager::~AthenaContainerLayoutManager() { | |
| 79 } | |
| 80 | |
| 81 void AthenaContainerLayoutManager::OnWindowResized() { | |
| 82 // Resize all the existing windows. | |
| 83 const aura::Window::Windows& list = | |
| 84 instance->window_list_provider_->GetWindowList(); | |
| 85 const gfx::Size work_area = | |
| 86 gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area().size(); | |
| 87 bool is_splitview = instance->split_view_controller_->IsSplitViewModeActive(); | |
| 88 gfx::Size split_size; | |
| 89 if (is_splitview) { | |
| 90 CHECK(instance->split_view_controller_->left_window()); | |
| 91 split_size = | |
| 92 instance->split_view_controller_->left_window()->bounds().size(); | |
| 93 } | |
| 94 | |
| 95 for (aura::Window::Windows::const_iterator iter = list.begin(); | |
| 96 iter != list.end(); | |
| 97 ++iter) { | |
| 98 aura::Window* window = *iter; | |
| 99 if (is_splitview) { | |
| 100 if (window == instance->split_view_controller_->left_window()) | |
| 101 window->SetBounds(gfx::Rect(split_size)); | |
| 102 else if (window == instance->split_view_controller_->right_window()) { | |
| 103 window->SetBounds( | |
| 104 gfx::Rect(gfx::Point(split_size.width(), 0), split_size)); | |
| 105 } else if (CanWindowMaximize(window)) | |
| 106 window->SetBounds(gfx::Rect(work_area)); | |
| 107 } else if (CanWindowMaximize(window)) { | |
| 108 window->SetBounds(gfx::Rect(work_area)); | |
| 109 } | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 void AthenaContainerLayoutManager::OnWindowAddedToLayout(aura::Window* child) { | |
| 114 // TODO(oshima): Split view modes needs to take the transient window into | |
| 115 // account. | |
| 116 if (wm::GetTransientParent(child)) { | |
| 117 wm::TransientWindowManager::Get(child) | |
| 118 ->set_parent_controls_visibility(true); | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 void AthenaContainerLayoutManager::OnWillRemoveWindowFromLayout( | |
| 123 aura::Window* child) { | |
| 124 } | |
| 125 | |
| 126 void AthenaContainerLayoutManager::OnWindowRemovedFromLayout( | |
| 127 aura::Window* child) { | |
| 128 } | |
| 129 | |
| 130 void AthenaContainerLayoutManager::OnChildWindowVisibilityChanged( | |
| 131 aura::Window* child, | |
| 132 bool visible) { | |
| 133 if (visible && CanWindowMaximize(child)) { | |
| 134 // Make sure we're resizing a window that actually exists in the window list | |
| 135 // to avoid resizing the divider in the split mode. | |
| 136 if(instance->window_list_provider_->IsWindowInList(child)) { | |
| 137 child->SetBounds( | |
| 138 gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area()); | |
| 139 } | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 void AthenaContainerLayoutManager::SetChildBounds( | |
| 144 aura::Window* child, | |
| 145 const gfx::Rect& requested_bounds) { | |
| 146 if (!requested_bounds.IsEmpty()) | |
| 147 SetChildBoundsDirect(child, requested_bounds); | |
| 148 } | |
| 149 | |
| 150 WindowManagerImpl::WindowManagerImpl() { | |
| 151 ScreenManager::ContainerParams params("DefaultContainer", CP_DEFAULT); | |
| 152 params.can_activate_children = true; | |
| 153 params.default_parent = true; | |
| 154 params.modal_container_priority = CP_SYSTEM_MODAL; | |
| 155 container_.reset(ScreenManager::Get()->CreateContainer(params)); | |
| 156 container_->SetLayoutManager(new AthenaContainerLayoutManager); | |
| 157 container_->AddObserver(this); | |
| 158 window_list_provider_.reset(new WindowListProviderImpl(container_.get())); | |
| 159 window_list_provider_->AddObserver(this); | |
| 160 split_view_controller_.reset( | |
| 161 new SplitViewController(container_.get(), window_list_provider_.get())); | |
| 162 AddObserver(split_view_controller_.get()); | |
| 163 title_drag_controller_.reset(new TitleDragController(container_.get(), this)); | |
| 164 wm_state_.reset(new wm::WMState()); | |
| 165 aura::client::ActivationClient* activation_client = | |
| 166 aura::client::GetActivationClient(container_->GetRootWindow()); | |
| 167 DCHECK(container_->GetRootWindow()); | |
| 168 DCHECK(activation_client); | |
| 169 shadow_controller_.reset(new wm::ShadowController(activation_client)); | |
| 170 instance = this; | |
| 171 InstallAccelerators(); | |
| 172 } | |
| 173 | |
| 174 WindowManagerImpl::~WindowManagerImpl() { | |
| 175 window_list_provider_->RemoveObserver(this); | |
| 176 overview_.reset(); | |
| 177 RemoveObserver(split_view_controller_.get()); | |
| 178 split_view_controller_.reset(); | |
| 179 window_list_provider_.reset(); | |
| 180 if (container_) | |
| 181 container_->RemoveObserver(this); | |
| 182 | |
| 183 // |title_drag_controller_| needs to be reset before |container_|. | |
| 184 title_drag_controller_.reset(); | |
| 185 container_.reset(); | |
| 186 instance = nullptr; | |
| 187 } | |
| 188 | |
| 189 void WindowManagerImpl::ToggleSplitView() { | |
| 190 if (IsOverviewModeActive()) | |
| 191 return; | |
| 192 | |
| 193 if (split_view_controller_->IsSplitViewModeActive()) { | |
| 194 split_view_controller_->DeactivateSplitMode(); | |
| 195 FOR_EACH_OBSERVER(WindowManagerObserver, observers_, OnSplitViewModeExit()); | |
| 196 // Relayout so that windows are maximzied. | |
| 197 container_->layout_manager()->OnWindowResized(); | |
| 198 } else if (split_view_controller_->CanActivateSplitViewMode()) { | |
| 199 FOR_EACH_OBSERVER(WindowManagerObserver, | |
| 200 observers_, | |
| 201 OnSplitViewModeEnter()); | |
| 202 split_view_controller_->ActivateSplitMode(nullptr, nullptr, nullptr); | |
| 203 } | |
| 204 } | |
| 205 | |
| 206 void WindowManagerImpl::EnterOverview() { | |
| 207 if (IsOverviewModeActive()) | |
| 208 return; | |
| 209 | |
| 210 FOR_EACH_OBSERVER(WindowManagerObserver, observers_, OnOverviewModeEnter()); | |
| 211 | |
| 212 // Note: The window_list_provider_ resembles the exact window list of the | |
| 213 // container, so no re-stacking is required before showing the OverviewMode. | |
| 214 overview_ = WindowOverviewMode::Create( | |
| 215 container_.get(), window_list_provider_.get(), | |
| 216 split_view_controller_.get(), this); | |
| 217 AcceleratorManager::Get()->RegisterAccelerator(kEscAcceleratorData, this); | |
| 218 } | |
| 219 | |
| 220 void WindowManagerImpl::ExitOverview() { | |
| 221 if (!IsOverviewModeActive()) | |
| 222 return; | |
| 223 | |
| 224 ExitOverviewNoActivate(); | |
| 225 | |
| 226 // Activate the window which was active prior to entering overview. | |
| 227 const aura::Window::Windows windows = window_list_provider_->GetWindowList(); | |
| 228 if (!windows.empty()) { | |
| 229 aura::Window* window_to_activate = windows.back(); | |
| 230 | |
| 231 // Show the window in case the exit overview animation has finished and | |
| 232 // |window| was hidden. | |
| 233 window_to_activate->Show(); | |
| 234 wm::ActivateWindow(window_to_activate); | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 bool WindowManagerImpl::IsOverviewModeActive() { | |
| 239 return overview_; | |
| 240 } | |
| 241 | |
| 242 void WindowManagerImpl::ExitOverviewNoActivate() { | |
| 243 if (!IsOverviewModeActive()) | |
| 244 return; | |
| 245 | |
| 246 overview_.reset(); | |
| 247 FOR_EACH_OBSERVER(WindowManagerObserver, observers_, OnOverviewModeExit()); | |
| 248 AcceleratorManager::Get()->UnregisterAccelerator(kEscAcceleratorData, this); | |
| 249 } | |
| 250 | |
| 251 void WindowManagerImpl::InstallAccelerators() { | |
| 252 const AcceleratorData accelerator_data[] = { | |
| 253 {TRIGGER_ON_PRESS, | |
| 254 ui::VKEY_F6, | |
| 255 ui::EF_NONE, | |
| 256 CMD_TOGGLE_OVERVIEW, | |
| 257 AF_NONE}, | |
| 258 {TRIGGER_ON_PRESS, | |
| 259 ui::VKEY_F6, | |
| 260 ui::EF_CONTROL_DOWN, | |
| 261 CMD_TOGGLE_SPLIT_VIEW, | |
| 262 AF_NONE}, | |
| 263 // Debug | |
| 264 {TRIGGER_ON_PRESS, | |
| 265 ui::VKEY_6, | |
| 266 ui::EF_NONE, | |
| 267 CMD_TOGGLE_OVERVIEW, | |
| 268 AF_NONE | AF_DEBUG}, | |
| 269 }; | |
| 270 AcceleratorManager::Get()->RegisterAccelerators( | |
| 271 accelerator_data, arraysize(accelerator_data), this); | |
| 272 } | |
| 273 | |
| 274 void WindowManagerImpl::AddObserver(WindowManagerObserver* observer) { | |
| 275 observers_.AddObserver(observer); | |
| 276 } | |
| 277 | |
| 278 void WindowManagerImpl::RemoveObserver(WindowManagerObserver* observer) { | |
| 279 observers_.RemoveObserver(observer); | |
| 280 } | |
| 281 | |
| 282 void WindowManagerImpl::ToggleSplitViewForTest() { | |
| 283 ToggleSplitView(); | |
| 284 } | |
| 285 | |
| 286 WindowListProvider* WindowManagerImpl::GetWindowListProvider() { | |
| 287 return window_list_provider_.get(); | |
| 288 } | |
| 289 | |
| 290 void WindowManagerImpl::OnSelectWindow(aura::Window* window) { | |
| 291 ExitOverviewNoActivate(); | |
| 292 | |
| 293 // Show the window in case the exit overview animation has finished and | |
| 294 // |window| was hidden. | |
| 295 window->Show(); | |
| 296 | |
| 297 wm::ActivateWindow(window); | |
| 298 | |
| 299 if (split_view_controller_->IsSplitViewModeActive()) { | |
| 300 split_view_controller_->DeactivateSplitMode(); | |
| 301 FOR_EACH_OBSERVER(WindowManagerObserver, observers_, OnSplitViewModeExit()); | |
| 302 } | |
| 303 // If |window| does not have the size of the work-area, then make sure it is | |
| 304 // resized. | |
| 305 const gfx::Size work_area = | |
| 306 gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area().size(); | |
| 307 | |
| 308 // Resize to the screen bounds only if the window is maximize-able, and | |
| 309 // is not already maximized | |
| 310 if (window->GetTargetBounds().size() != work_area && | |
| 311 CanWindowMaximize(window)) { | |
| 312 const gfx::Rect& window_bounds = window->bounds(); | |
| 313 const gfx::Rect desired_bounds(work_area); | |
| 314 gfx::Transform transform; | |
| 315 transform.Translate(desired_bounds.x() - window_bounds.x(), | |
| 316 desired_bounds.y() - window_bounds.y()); | |
| 317 transform.Scale(desired_bounds.width() / window_bounds.width(), | |
| 318 desired_bounds.height() / window_bounds.height()); | |
| 319 ui::ScopedLayerAnimationSettings settings(window->layer()->GetAnimator()); | |
| 320 settings.SetPreemptionStrategy( | |
| 321 ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET); | |
| 322 settings.AddObserver( | |
| 323 new ui::ClosureAnimationObserver(base::Bind(&SetWindowState, | |
| 324 base::Unretained(window), | |
| 325 desired_bounds, | |
| 326 gfx::Transform()))); | |
| 327 window->SetTransform(transform); | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 void WindowManagerImpl::OnSelectSplitViewWindow(aura::Window* left, | |
| 332 aura::Window* right, | |
| 333 aura::Window* to_activate) { | |
| 334 ExitOverviewNoActivate(); | |
| 335 FOR_EACH_OBSERVER(WindowManagerObserver, observers_, OnSplitViewModeEnter()); | |
| 336 split_view_controller_->ActivateSplitMode(left, right, to_activate); | |
| 337 } | |
| 338 | |
| 339 void WindowManagerImpl::OnWindowStackingChangedInList() { | |
| 340 } | |
| 341 | |
| 342 void WindowManagerImpl::OnWindowAddedToList(aura::Window* child) { | |
| 343 if (instance->split_view_controller_->IsSplitViewModeActive() && | |
| 344 !instance->IsOverviewModeActive()) { | |
| 345 instance->split_view_controller_->ReplaceWindow( | |
| 346 instance->split_view_controller_->left_window(), child); | |
| 347 } else { | |
| 348 gfx::Size size = | |
| 349 gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area().size(); | |
| 350 child->SetBounds(gfx::Rect(size)); | |
| 351 } | |
| 352 | |
| 353 if (instance->IsOverviewModeActive()) { | |
| 354 // TODO(pkotwicz|oshima). Creating a new window should only exit overview | |
| 355 // mode if the new window is activated. crbug.com/415266 | |
| 356 instance->OnSelectWindow(child); | |
| 357 } | |
| 358 } | |
| 359 | |
| 360 void WindowManagerImpl::OnWindowRemovedFromList(aura::Window* removed_window, | |
| 361 int index) { | |
| 362 aura::Window::Windows windows = window_list_provider_->GetWindowList(); | |
| 363 DCHECK(!window_list_provider_->IsWindowInList(removed_window)); | |
| 364 DCHECK_LE(index, static_cast<int>(windows.size())); | |
| 365 | |
| 366 // Splitted windows are handled in SplitViewController. | |
| 367 if (split_view_controller_->IsSplitViewModeActive()) | |
| 368 return; | |
| 369 | |
| 370 // In overview mode, windows are handled in WindowOverviewMode class. | |
| 371 if (!IsOverviewModeActive()) | |
| 372 return; | |
| 373 | |
| 374 // Shows the next window if the removed window was top. | |
| 375 if (!windows.empty() && index == static_cast<int>(windows.size())) { | |
| 376 aura::Window* next_window = windows.back(); | |
| 377 next_window->Show(); | |
| 378 | |
| 379 // Don't activate the window here, since it should be done in focus manager. | |
| 380 } | |
| 381 } | |
| 382 | |
| 383 void WindowManagerImpl::OnWindowDestroying(aura::Window* window) { | |
| 384 if (window == container_) | |
| 385 container_.reset(); | |
| 386 } | |
| 387 | |
| 388 bool WindowManagerImpl::IsCommandEnabled(int command_id) const { | |
| 389 return true; | |
| 390 } | |
| 391 | |
| 392 bool WindowManagerImpl::OnAcceleratorFired(int command_id, | |
| 393 const ui::Accelerator& accelerator) { | |
| 394 switch (command_id) { | |
| 395 case CMD_EXIT_OVERVIEW: | |
| 396 ExitOverview(); | |
| 397 break; | |
| 398 case CMD_TOGGLE_OVERVIEW: | |
| 399 if (IsOverviewModeActive()) | |
| 400 ExitOverview(); | |
| 401 else | |
| 402 EnterOverview(); | |
| 403 break; | |
| 404 case CMD_TOGGLE_SPLIT_VIEW: | |
| 405 ToggleSplitView(); | |
| 406 break; | |
| 407 } | |
| 408 return true; | |
| 409 } | |
| 410 | |
| 411 aura::Window* WindowManagerImpl::GetWindowBehind(aura::Window* window) { | |
| 412 const aura::Window::Windows& windows = window_list_provider_->GetWindowList(); | |
| 413 aura::Window::Windows::const_reverse_iterator iter = | |
| 414 std::find(windows.rbegin(), windows.rend(), window); | |
| 415 CHECK(iter != windows.rend()); | |
| 416 ++iter; | |
| 417 aura::Window* behind = nullptr; | |
| 418 if (iter != windows.rend()) | |
| 419 behind = *iter++; | |
| 420 | |
| 421 if (split_view_controller_->IsSplitViewModeActive()) { | |
| 422 aura::Window* left = split_view_controller_->left_window(); | |
| 423 aura::Window* right = split_view_controller_->right_window(); | |
| 424 CHECK(window == left || window == right); | |
| 425 if (behind == left || behind == right) | |
| 426 behind = (iter == windows.rend()) ? nullptr : *iter; | |
| 427 } | |
| 428 | |
| 429 return behind; | |
| 430 } | |
| 431 | |
| 432 void WindowManagerImpl::OnTitleDragStarted(aura::Window* window) { | |
| 433 aura::Window* next_window = GetWindowBehind(window); | |
| 434 if (!next_window) | |
| 435 return; | |
| 436 // Make sure |window| is active. | |
| 437 wm::ActivateWindow(window); | |
| 438 | |
| 439 // Make sure |next_window| is visibile. | |
| 440 next_window->Show(); | |
| 441 | |
| 442 // Position |next_window| correctly (left aligned if it's larger than | |
| 443 // |window|, and center aligned otherwise). | |
| 444 int dx = window->bounds().x() - next_window->bounds().x(); | |
| 445 if (next_window->bounds().width() < window->bounds().width()) | |
| 446 dx -= (next_window->bounds().width() - window->bounds().width()) / 2; | |
| 447 | |
| 448 if (dx) { | |
| 449 gfx::Transform transform; | |
| 450 transform.Translate(dx, 0); | |
| 451 next_window->SetTransform(transform); | |
| 452 } | |
| 453 } | |
| 454 | |
| 455 void WindowManagerImpl::OnTitleDragCompleted(aura::Window* window) { | |
| 456 aura::Window* next_window = GetWindowBehind(window); | |
| 457 if (!next_window) | |
| 458 return; | |
| 459 if (split_view_controller_->IsSplitViewModeActive()) { | |
| 460 split_view_controller_->ReplaceWindow(window, next_window); | |
| 461 } else { | |
| 462 ui::ScopedLayerAnimationSettings | |
| 463 settings(next_window->layer()->GetAnimator()); | |
| 464 settings.AddObserver(new ui::ClosureAnimationObserver( | |
| 465 base::Bind(&SetWindowState, | |
| 466 base::Unretained(next_window), | |
| 467 window->bounds(), | |
| 468 gfx::Transform()))); | |
| 469 | |
| 470 gfx::Transform transform; | |
| 471 transform.Scale(window->bounds().width() / next_window->bounds().width(), | |
| 472 window->bounds().height() / next_window->bounds().height()); | |
| 473 transform.Translate(window->bounds().x() - next_window->bounds().x(), 0); | |
| 474 next_window->SetTransform(transform); | |
| 475 | |
| 476 wm::ActivateWindow(next_window); | |
| 477 } | |
| 478 window->Hide(); | |
| 479 } | |
| 480 | |
| 481 void WindowManagerImpl::OnTitleDragCanceled(aura::Window* window) { | |
| 482 aura::Window* next_window = GetWindowBehind(window); | |
| 483 if (!next_window) | |
| 484 return; | |
| 485 next_window->SetTransform(gfx::Transform()); | |
| 486 next_window->Hide(); | |
| 487 } | |
| 488 | |
| 489 // static | |
| 490 WindowManager* WindowManager::Create() { | |
| 491 DCHECK(!instance); | |
| 492 new WindowManagerImpl; | |
| 493 DCHECK(instance); | |
| 494 return instance; | |
| 495 } | |
| 496 | |
| 497 // static | |
| 498 void WindowManager::Shutdown() { | |
| 499 DCHECK(instance); | |
| 500 delete instance; | |
| 501 DCHECK(!instance); | |
| 502 } | |
| 503 | |
| 504 // static | |
| 505 WindowManager* WindowManager::Get() { | |
| 506 DCHECK(instance); | |
| 507 return instance; | |
| 508 } | |
| 509 | |
| 510 } // namespace athena | |
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Chromium Code Reviews
Issue 863033002:
Delete athena/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master