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 "ui/views/widget/desktop_aura/desktop_native_widget_aura.h" 6 7#include "base/bind.h" 8#include "base/debug/trace_event.h" 9#include "ui/aura/client/aura_constants.h" 10#include "ui/aura/client/cursor_client.h" 11#include "ui/aura/client/focus_client.h" 12#include "ui/aura/client/window_tree_client.h" 13#include "ui/aura/window.h" 14#include "ui/aura/window_observer.h" 15#include "ui/aura/window_property.h" 16#include "ui/aura/window_tree_host.h" 17#include "ui/base/hit_test.h" 18#include "ui/base/ui_base_switches_util.h" 19#include "ui/compositor/layer.h" 20#include "ui/gfx/canvas.h" 21#include "ui/gfx/display.h" 22#include "ui/gfx/point_conversions.h" 23#include "ui/gfx/geometry/rect.h" 24#include "ui/gfx/screen.h" 25#include "ui/gfx/size_conversions.h" 26#include "ui/native_theme/native_theme.h" 27#include "ui/views/corewm/tooltip.h" 28#include "ui/views/corewm/tooltip_controller.h" 29#include "ui/views/drag_utils.h" 30#include "ui/views/ime/input_method_bridge.h" 31#include "ui/views/ime/null_input_method.h" 32#include "ui/views/view_constants_aura.h" 33#include "ui/views/widget/desktop_aura/desktop_capture_client.h" 34#include "ui/views/widget/desktop_aura/desktop_cursor_loader_updater.h" 35#include "ui/views/widget/desktop_aura/desktop_dispatcher_client.h" 36#include "ui/views/widget/desktop_aura/desktop_event_client.h" 37#include "ui/views/widget/desktop_aura/desktop_focus_rules.h" 38#include "ui/views/widget/desktop_aura/desktop_native_cursor_manager.h" 39#include "ui/views/widget/desktop_aura/desktop_screen_position_client.h" 40#include "ui/views/widget/desktop_aura/desktop_window_tree_host.h" 41#include "ui/views/widget/drop_helper.h" 42#include "ui/views/widget/native_widget_aura.h" 43#include "ui/views/widget/root_view.h" 44#include "ui/views/widget/tooltip_manager_aura.h" 45#include "ui/views/widget/widget.h" 46#include "ui/views/widget/widget_aura_utils.h" 47#include "ui/views/widget/widget_delegate.h" 48#include "ui/views/widget/window_reorderer.h" 49#include "ui/views/window/native_frame_view.h" 50#include "ui/wm/core/compound_event_filter.h" 51#include "ui/wm/core/cursor_manager.h" 52#include "ui/wm/core/focus_controller.h" 53#include "ui/wm/core/input_method_event_filter.h" 54#include "ui/wm/core/native_cursor_manager.h" 55#include "ui/wm/core/shadow_controller.h" 56#include "ui/wm/core/shadow_types.h" 57#include "ui/wm/core/visibility_controller.h" 58#include "ui/wm/core/window_modality_controller.h" 59#include "ui/wm/public/activation_client.h" 60#include "ui/wm/public/drag_drop_client.h" 61 62#if defined(OS_WIN) 63#include "ui/base/win/shell.h" 64#include "ui/gfx/win/dpi.h" 65#endif 66 67DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(VIEWS_EXPORT, 68 views::DesktopNativeWidgetAura*); 69 70namespace views { 71 72DEFINE_WINDOW_PROPERTY_KEY(DesktopNativeWidgetAura*, 73 kDesktopNativeWidgetAuraKey, NULL); 74 75namespace { 76 77// This class provides functionality to create a top level widget to host a 78// child window. 79class DesktopNativeWidgetTopLevelHandler : public aura::WindowObserver { 80 public: 81 // This function creates a widget with the bounds passed in which eventually 82 // becomes the parent of the child window passed in. 83 static aura::Window* CreateParentWindow(aura::Window* child_window, 84 const gfx::Rect& bounds, 85 bool full_screen, 86 bool root_is_always_on_top) { 87 // This instance will get deleted when the widget is destroyed. 88 DesktopNativeWidgetTopLevelHandler* top_level_handler = 89 new DesktopNativeWidgetTopLevelHandler; 90 91 child_window->SetBounds(gfx::Rect(bounds.size())); 92 93 Widget::InitParams init_params; 94 init_params.type = full_screen ? Widget::InitParams::TYPE_WINDOW : 95 Widget::InitParams::TYPE_POPUP; 96 init_params.bounds = bounds; 97 init_params.ownership = Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET; 98 init_params.layer_type = aura::WINDOW_LAYER_NOT_DRAWN; 99 init_params.activatable = full_screen ? 100 Widget::InitParams::ACTIVATABLE_YES : 101 Widget::InitParams::ACTIVATABLE_NO; 102 init_params.keep_on_top = root_is_always_on_top; 103 104 // This widget instance will get deleted when the window is 105 // destroyed. 106 top_level_handler->top_level_widget_ = new Widget(); 107 top_level_handler->top_level_widget_->Init(init_params); 108 109 top_level_handler->top_level_widget_->SetFullscreen(full_screen); 110 top_level_handler->top_level_widget_->Show(); 111 112 aura::Window* native_window = 113 top_level_handler->top_level_widget_->GetNativeView(); 114 child_window->AddObserver(top_level_handler); 115 native_window->AddObserver(top_level_handler); 116 top_level_handler->child_window_ = child_window; 117 return native_window; 118 } 119 120 // aura::WindowObserver overrides 121 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE { 122 window->RemoveObserver(this); 123 124 // If the widget is being destroyed by the OS then we should not try and 125 // destroy it again. 126 if (top_level_widget_ && 127 window == top_level_widget_->GetNativeView()) { 128 top_level_widget_ = NULL; 129 return; 130 } 131 132 if (top_level_widget_) { 133 DCHECK(top_level_widget_->GetNativeView()); 134 top_level_widget_->GetNativeView()->RemoveObserver(this); 135 // When we receive a notification that the child of the window created 136 // above is being destroyed we go ahead and initiate the destruction of 137 // the corresponding widget. 138 top_level_widget_->Close(); 139 top_level_widget_ = NULL; 140 } 141 delete this; 142 } 143 144 virtual void OnWindowBoundsChanged(aura::Window* window, 145 const gfx::Rect& old_bounds, 146 const gfx::Rect& new_bounds) OVERRIDE { 147 if (top_level_widget_ && window == child_window_) 148 top_level_widget_->SetSize(new_bounds.size()); 149 } 150 151 private: 152 DesktopNativeWidgetTopLevelHandler() 153 : top_level_widget_(NULL), 154 child_window_(NULL) {} 155 156 virtual ~DesktopNativeWidgetTopLevelHandler() {} 157 158 Widget* top_level_widget_; 159 aura::Window* child_window_; 160 161 DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetTopLevelHandler); 162}; 163 164class DesktopNativeWidgetAuraWindowTreeClient : 165 public aura::client::WindowTreeClient { 166 public: 167 explicit DesktopNativeWidgetAuraWindowTreeClient( 168 aura::Window* root_window) 169 : root_window_(root_window) { 170 aura::client::SetWindowTreeClient(root_window_, this); 171 } 172 virtual ~DesktopNativeWidgetAuraWindowTreeClient() { 173 aura::client::SetWindowTreeClient(root_window_, NULL); 174 } 175 176 // Overridden from client::WindowTreeClient: 177 virtual aura::Window* GetDefaultParent(aura::Window* context, 178 aura::Window* window, 179 const gfx::Rect& bounds) OVERRIDE { 180 bool is_fullscreen = window->GetProperty(aura::client::kShowStateKey) == 181 ui::SHOW_STATE_FULLSCREEN; 182 bool is_menu = window->type() == ui::wm::WINDOW_TYPE_MENU; 183 184 if (is_fullscreen || is_menu) { 185 bool root_is_always_on_top = false; 186 internal::NativeWidgetPrivate* native_widget = 187 DesktopNativeWidgetAura::ForWindow(root_window_); 188 if (native_widget) 189 root_is_always_on_top = native_widget->IsAlwaysOnTop(); 190 191 return DesktopNativeWidgetTopLevelHandler::CreateParentWindow( 192 window, bounds, is_fullscreen, root_is_always_on_top); 193 } 194 return root_window_; 195 } 196 197 private: 198 aura::Window* root_window_; 199 200 DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAuraWindowTreeClient); 201}; 202 203} // namespace 204 205class FocusManagerEventHandler : public ui::EventHandler { 206 public: 207 FocusManagerEventHandler(DesktopNativeWidgetAura* desktop_native_widget_aura) 208 : desktop_native_widget_aura_(desktop_native_widget_aura) {} 209 210 // Implementation of ui::EventHandler: 211 virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE { 212 Widget* widget = desktop_native_widget_aura_->GetWidget(); 213 if (widget && widget->GetFocusManager()->GetFocusedView() && 214 !widget->GetFocusManager()->OnKeyEvent(*event)) { 215 event->SetHandled(); 216 } 217 } 218 219 private: 220 DesktopNativeWidgetAura* desktop_native_widget_aura_; 221 222 DISALLOW_COPY_AND_ASSIGN(FocusManagerEventHandler); 223}; 224 225class RootWindowDestructionObserver : public aura::WindowObserver { 226 public: 227 explicit RootWindowDestructionObserver(DesktopNativeWidgetAura* parent) 228 : parent_(parent) {} 229 virtual ~RootWindowDestructionObserver() {} 230 231 private: 232 // Overridden from aura::WindowObserver: 233 virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE { 234 parent_->RootWindowDestroyed(); 235 window->RemoveObserver(this); 236 delete this; 237 } 238 239 DesktopNativeWidgetAura* parent_; 240 241 DISALLOW_COPY_AND_ASSIGN(RootWindowDestructionObserver); 242}; 243 244//////////////////////////////////////////////////////////////////////////////// 245// DesktopNativeWidgetAura, public: 246 247int DesktopNativeWidgetAura::cursor_reference_count_ = 0; 248DesktopNativeCursorManager* DesktopNativeWidgetAura::native_cursor_manager_ = 249 NULL; 250wm::CursorManager* DesktopNativeWidgetAura::cursor_manager_ = NULL; 251 252DesktopNativeWidgetAura::DesktopNativeWidgetAura( 253 internal::NativeWidgetDelegate* delegate) 254 : desktop_window_tree_host_(NULL), 255 ownership_(Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET), 256 content_window_container_(NULL), 257 content_window_(new aura::Window(this)), 258 native_widget_delegate_(delegate), 259 last_drop_operation_(ui::DragDropTypes::DRAG_NONE), 260 restore_focus_on_activate_(false), 261 cursor_(gfx::kNullCursor), 262 widget_type_(Widget::InitParams::TYPE_WINDOW), 263 close_widget_factory_(this) { 264 aura::client::SetFocusChangeObserver(content_window_, this); 265 aura::client::SetActivationChangeObserver(content_window_, this); 266} 267 268DesktopNativeWidgetAura::~DesktopNativeWidgetAura() { 269 if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET) 270 delete native_widget_delegate_; 271 else 272 CloseNow(); 273} 274 275// static 276DesktopNativeWidgetAura* DesktopNativeWidgetAura::ForWindow( 277 aura::Window* window) { 278 return window->GetProperty(kDesktopNativeWidgetAuraKey); 279} 280 281void DesktopNativeWidgetAura::OnHostClosed() { 282 // Don't invoke Widget::OnNativeWidgetDestroying(), its done by 283 // DesktopWindowTreeHost. 284 285 // The WindowModalityController is at the front of the event pretarget 286 // handler list. We destroy it first to preserve order symantics. 287 if (window_modality_controller_) 288 window_modality_controller_.reset(); 289 290 // Make sure we don't have capture. Otherwise CaptureController and 291 // WindowEventDispatcher are left referencing a deleted Window. 292 { 293 aura::Window* capture_window = capture_client_->GetCaptureWindow(); 294 if (capture_window && host_->window()->Contains(capture_window)) 295 capture_window->ReleaseCapture(); 296 } 297 298 // DesktopWindowTreeHost owns the ActivationController which ShadowController 299 // references. Make sure we destroy ShadowController early on. 300 shadow_controller_.reset(); 301 tooltip_manager_.reset(); 302 if (tooltip_controller_.get()) { 303 host_->window()->RemovePreTargetHandler(tooltip_controller_.get()); 304 aura::client::SetTooltipClient(host_->window(), NULL); 305 tooltip_controller_.reset(); 306 } 307 308 root_window_event_filter_->RemoveHandler(input_method_event_filter_.get()); 309 310 window_tree_client_.reset(); // Uses host_->dispatcher() at destruction. 311 312 capture_client_.reset(); // Uses host_->dispatcher() at destruction. 313 314 // FocusController uses |content_window_|. Destroy it now so that we don't 315 // have to worry about the possibility of FocusController attempting to use 316 // |content_window_| after it's been destroyed but before all child windows 317 // have been destroyed. 318 host_->window()->RemovePreTargetHandler(focus_client_.get()); 319 aura::client::SetFocusClient(host_->window(), NULL); 320 aura::client::SetActivationClient(host_->window(), NULL); 321 focus_client_.reset(); 322 323 host_->RemoveObserver(this); 324 host_.reset(); // Uses input_method_event_filter_ at destruction. 325 // WindowEventDispatcher owns |desktop_window_tree_host_|. 326 desktop_window_tree_host_ = NULL; 327 content_window_ = NULL; 328 329 native_widget_delegate_->OnNativeWidgetDestroyed(); 330 if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET) 331 delete this; 332} 333 334void DesktopNativeWidgetAura::OnDesktopWindowTreeHostDestroyed( 335 aura::WindowTreeHost* host) { 336 // |dispatcher_| is still valid, but DesktopWindowTreeHost is nearly 337 // destroyed. Do cleanup here of members DesktopWindowTreeHost may also use. 338 aura::client::SetDispatcherClient(host->window(), NULL); 339 dispatcher_client_.reset(); 340 341 // We explicitly do NOT clear the cursor client property. Since the cursor 342 // manager is a singleton, it can outlive any window hierarchy, and it's 343 // important that objects attached to this destroying window hierarchy have 344 // an opportunity to deregister their observers from the cursor manager. 345 // They may want to do this when they are notified that they're being 346 // removed from the window hierarchy, which happens soon after this 347 // function when DesktopWindowTreeHost* calls DestroyDispatcher(). 348 native_cursor_manager_->RemoveHost(host); 349 350 aura::client::SetScreenPositionClient(host->window(), NULL); 351 position_client_.reset(); 352 353 aura::client::SetDragDropClient(host->window(), NULL); 354 drag_drop_client_.reset(); 355 356 aura::client::SetEventClient(host->window(), NULL); 357 event_client_.reset(); 358} 359 360void DesktopNativeWidgetAura::HandleActivationChanged(bool active) { 361 native_widget_delegate_->OnNativeWidgetActivationChanged(active); 362 aura::client::ActivationClient* activation_client = 363 aura::client::GetActivationClient(host_->window()); 364 if (!activation_client) 365 return; 366 if (active) { 367 if (GetWidget()->HasFocusManager()) { 368 // This function can be called before the focus manager has had a 369 // chance to set the focused view. In which case we should get the 370 // last focused view. 371 View* view_for_activation = 372 GetWidget()->GetFocusManager()->GetFocusedView() ? 373 GetWidget()->GetFocusManager()->GetFocusedView() : 374 GetWidget()->GetFocusManager()->GetStoredFocusView(); 375 if (!view_for_activation) 376 view_for_activation = GetWidget()->GetRootView(); 377 activation_client->ActivateWindow( 378 view_for_activation->GetWidget()->GetNativeView()); 379 } 380 } else { 381 // If we're not active we need to deactivate the corresponding 382 // aura::Window. This way if a child widget is active it gets correctly 383 // deactivated (child widgets don't get native desktop activation changes, 384 // only aura activation changes). 385 aura::Window* active_window = activation_client->GetActiveWindow(); 386 if (active_window) 387 activation_client->DeactivateWindow(active_window); 388 } 389} 390 391//////////////////////////////////////////////////////////////////////////////// 392// DesktopNativeWidgetAura, internal::NativeWidgetPrivate implementation: 393 394void DesktopNativeWidgetAura::InitNativeWidget( 395 const Widget::InitParams& params) { 396 ownership_ = params.ownership; 397 widget_type_ = params.type; 398 399 NativeWidgetAura::RegisterNativeWidgetForWindow(this, content_window_); 400 // Animations on TYPE_WINDOW are handled by the OS. Additionally if we animate 401 // these windows the size of the window gets augmented, effecting restore 402 // bounds and maximized windows in bad ways. 403 if (params.type == Widget::InitParams::TYPE_WINDOW && 404 !params.remove_standard_frame) { 405 content_window_->SetProperty(aura::client::kAnimationsDisabledKey, true); 406 } 407 content_window_->SetType(GetAuraWindowTypeForWidgetType(params.type)); 408 content_window_->Init(params.layer_type); 409 wm::SetShadowType(content_window_, wm::SHADOW_TYPE_NONE); 410 411 content_window_container_ = new aura::Window(NULL); 412 content_window_container_->Init(aura::WINDOW_LAYER_NOT_DRAWN); 413 content_window_container_->Show(); 414 content_window_container_->AddChild(content_window_); 415 416 desktop_window_tree_host_ = params.desktop_window_tree_host ? 417 params.desktop_window_tree_host : 418 DesktopWindowTreeHost::Create(native_widget_delegate_, this); 419 host_.reset(desktop_window_tree_host_->AsWindowTreeHost()); 420 desktop_window_tree_host_->Init(content_window_, params); 421 422 // Mark this window as Desktop root window. 423 host_->window()->SetProperty(views::kDesktopRootWindow, true); 424 425 host_->InitHost(); 426 host_->window()->AddChild(content_window_container_); 427 host_->window()->SetProperty(kDesktopNativeWidgetAuraKey, this); 428 429 host_->window()->AddObserver(new RootWindowDestructionObserver(this)); 430 431 // The WindowsModalityController event filter should be at the head of the 432 // pre target handlers list. This ensures that it handles input events first 433 // when modal windows are at the top of the Zorder. 434 if (widget_type_ == Widget::InitParams::TYPE_WINDOW) 435 window_modality_controller_.reset( 436 new wm::WindowModalityController(host_->window())); 437 438 // |root_window_event_filter_| must be created before 439 // OnWindowTreeHostCreated() is invoked. 440 441 // CEF sets focus to the window the user clicks down on. 442 // TODO(beng): see if we can't do this some other way. CEF seems a heavy- 443 // handed way of accomplishing focus. 444 // No event filter for aura::Env. Create CompoundEventFilter per 445 // WindowEventDispatcher. 446 root_window_event_filter_.reset(new wm::CompoundEventFilter); 447 host_->window()->AddPreTargetHandler(root_window_event_filter_.get()); 448 449 // The host's dispatcher must be added to |native_cursor_manager_| before 450 // OnNativeWidgetCreated() is called. 451 cursor_reference_count_++; 452 if (!native_cursor_manager_) { 453 native_cursor_manager_ = new DesktopNativeCursorManager( 454 DesktopCursorLoaderUpdater::Create()); 455 } 456 if (!cursor_manager_) { 457 cursor_manager_ = new wm::CursorManager( 458 scoped_ptr<wm::NativeCursorManager>(native_cursor_manager_)); 459 } 460 native_cursor_manager_->AddHost(host()); 461 aura::client::SetCursorClient(host_->window(), cursor_manager_); 462 463 desktop_window_tree_host_->OnNativeWidgetCreated(params); 464 465 UpdateWindowTransparency(); 466 467 capture_client_.reset(new DesktopCaptureClient(host_->window())); 468 469 wm::FocusController* focus_controller = 470 new wm::FocusController(new DesktopFocusRules(content_window_)); 471 focus_client_.reset(focus_controller); 472 aura::client::SetFocusClient(host_->window(), focus_controller); 473 aura::client::SetActivationClient(host_->window(), focus_controller); 474 host_->window()->AddPreTargetHandler(focus_controller); 475 476 dispatcher_client_.reset(new DesktopDispatcherClient); 477 aura::client::SetDispatcherClient(host_->window(), 478 dispatcher_client_.get()); 479 480 position_client_.reset(new DesktopScreenPositionClient(host_->window())); 481 482 InstallInputMethodEventFilter(); 483 484 drag_drop_client_ = desktop_window_tree_host_->CreateDragDropClient( 485 native_cursor_manager_); 486 aura::client::SetDragDropClient(host_->window(), 487 drag_drop_client_.get()); 488 489 static_cast<aura::client::FocusClient*>(focus_client_.get())-> 490 FocusWindow(content_window_); 491 492 OnHostResized(host()); 493 494 host_->AddObserver(this); 495 496 window_tree_client_.reset( 497 new DesktopNativeWidgetAuraWindowTreeClient(host_->window())); 498 drop_helper_.reset(new DropHelper(GetWidget()->GetRootView())); 499 aura::client::SetDragDropDelegate(content_window_, this); 500 501 if (params.type != Widget::InitParams::TYPE_TOOLTIP) { 502 tooltip_manager_.reset(new TooltipManagerAura(GetWidget())); 503 tooltip_controller_.reset( 504 new corewm::TooltipController( 505 desktop_window_tree_host_->CreateTooltip())); 506 aura::client::SetTooltipClient(host_->window(), 507 tooltip_controller_.get()); 508 host_->window()->AddPreTargetHandler(tooltip_controller_.get()); 509 } 510 511 if (params.opacity == Widget::InitParams::TRANSLUCENT_WINDOW) { 512 visibility_controller_.reset(new wm::VisibilityController); 513 aura::client::SetVisibilityClient(host_->window(), 514 visibility_controller_.get()); 515 wm::SetChildWindowVisibilityChangesAnimated(host_->window()); 516 wm::SetChildWindowVisibilityChangesAnimated( 517 content_window_container_); 518 } 519 520 if (params.type == Widget::InitParams::TYPE_WINDOW) { 521 focus_manager_event_handler_.reset(new FocusManagerEventHandler(this)); 522 host_->window()->AddPreTargetHandler(focus_manager_event_handler_.get()); 523 } 524 525 event_client_.reset(new DesktopEventClient); 526 aura::client::SetEventClient(host_->window(), event_client_.get()); 527 528 aura::client::GetFocusClient(content_window_)->FocusWindow(content_window_); 529 530 aura::client::SetActivationDelegate(content_window_, this); 531 532 shadow_controller_.reset(new wm::ShadowController( 533 aura::client::GetActivationClient(host_->window()))); 534 535 OnSizeConstraintsChanged(); 536 537 window_reorderer_.reset(new WindowReorderer(content_window_, 538 GetWidget()->GetRootView())); 539} 540 541NonClientFrameView* DesktopNativeWidgetAura::CreateNonClientFrameView() { 542 return ShouldUseNativeFrame() ? new NativeFrameView(GetWidget()) : NULL; 543} 544 545bool DesktopNativeWidgetAura::ShouldUseNativeFrame() const { 546 return desktop_window_tree_host_->ShouldUseNativeFrame(); 547} 548 549bool DesktopNativeWidgetAura::ShouldWindowContentsBeTransparent() const { 550 return desktop_window_tree_host_->ShouldWindowContentsBeTransparent(); 551} 552 553void DesktopNativeWidgetAura::FrameTypeChanged() { 554 desktop_window_tree_host_->FrameTypeChanged(); 555 UpdateWindowTransparency(); 556} 557 558Widget* DesktopNativeWidgetAura::GetWidget() { 559 return native_widget_delegate_->AsWidget(); 560} 561 562const Widget* DesktopNativeWidgetAura::GetWidget() const { 563 return native_widget_delegate_->AsWidget(); 564} 565 566gfx::NativeView DesktopNativeWidgetAura::GetNativeView() const { 567 return content_window_; 568} 569 570gfx::NativeWindow DesktopNativeWidgetAura::GetNativeWindow() const { 571 return content_window_; 572} 573 574Widget* DesktopNativeWidgetAura::GetTopLevelWidget() { 575 return GetWidget(); 576} 577 578const ui::Compositor* DesktopNativeWidgetAura::GetCompositor() const { 579 return content_window_ ? content_window_->layer()->GetCompositor() : NULL; 580} 581 582ui::Compositor* DesktopNativeWidgetAura::GetCompositor() { 583 return const_cast<ui::Compositor*>( 584 const_cast<const DesktopNativeWidgetAura*>(this)->GetCompositor()); 585} 586 587ui::Layer* DesktopNativeWidgetAura::GetLayer() { 588 return content_window_ ? content_window_->layer() : NULL; 589} 590 591void DesktopNativeWidgetAura::ReorderNativeViews() { 592 window_reorderer_->ReorderChildWindows(); 593} 594 595void DesktopNativeWidgetAura::ViewRemoved(View* view) { 596 DCHECK(drop_helper_.get() != NULL); 597 drop_helper_->ResetTargetViewIfEquals(view); 598} 599 600void DesktopNativeWidgetAura::SetNativeWindowProperty(const char* name, 601 void* value) { 602 if (content_window_) 603 content_window_->SetNativeWindowProperty(name, value); 604} 605 606void* DesktopNativeWidgetAura::GetNativeWindowProperty(const char* name) const { 607 return content_window_ ? 608 content_window_->GetNativeWindowProperty(name) : NULL; 609} 610 611TooltipManager* DesktopNativeWidgetAura::GetTooltipManager() const { 612 return tooltip_manager_.get(); 613} 614 615void DesktopNativeWidgetAura::SetCapture() { 616 if (!content_window_) 617 return; 618 619 content_window_->SetCapture(); 620} 621 622void DesktopNativeWidgetAura::ReleaseCapture() { 623 if (!content_window_) 624 return; 625 626 content_window_->ReleaseCapture(); 627} 628 629bool DesktopNativeWidgetAura::HasCapture() const { 630 return content_window_ && content_window_->HasCapture() && 631 desktop_window_tree_host_->HasCapture(); 632} 633 634InputMethod* DesktopNativeWidgetAura::CreateInputMethod() { 635 if (switches::IsTextInputFocusManagerEnabled()) 636 return new NullInputMethod(); 637 638 ui::InputMethod* host = input_method_event_filter_->input_method(); 639 return new InputMethodBridge(this, host, false); 640} 641 642internal::InputMethodDelegate* 643 DesktopNativeWidgetAura::GetInputMethodDelegate() { 644 return this; 645} 646 647ui::InputMethod* DesktopNativeWidgetAura::GetHostInputMethod() { 648 return input_method_event_filter_->input_method(); 649} 650 651void DesktopNativeWidgetAura::CenterWindow(const gfx::Size& size) { 652 if (content_window_) 653 desktop_window_tree_host_->CenterWindow(size); 654} 655 656void DesktopNativeWidgetAura::GetWindowPlacement( 657 gfx::Rect* bounds, 658 ui::WindowShowState* maximized) const { 659 if (content_window_) 660 desktop_window_tree_host_->GetWindowPlacement(bounds, maximized); 661} 662 663bool DesktopNativeWidgetAura::SetWindowTitle(const base::string16& title) { 664 if (!content_window_) 665 return false; 666 return desktop_window_tree_host_->SetWindowTitle(title); 667} 668 669void DesktopNativeWidgetAura::SetWindowIcons(const gfx::ImageSkia& window_icon, 670 const gfx::ImageSkia& app_icon) { 671 if (content_window_) 672 desktop_window_tree_host_->SetWindowIcons(window_icon, app_icon); 673} 674 675void DesktopNativeWidgetAura::InitModalType(ui::ModalType modal_type) { 676 // 99% of the time, we should not be asked to create a 677 // DesktopNativeWidgetAura that is modal. We only support window modal 678 // dialogs on the same lines as non AURA. 679 desktop_window_tree_host_->InitModalType(modal_type); 680} 681 682gfx::Rect DesktopNativeWidgetAura::GetWindowBoundsInScreen() const { 683 return content_window_ ? 684 desktop_window_tree_host_->GetWindowBoundsInScreen() : gfx::Rect(); 685} 686 687gfx::Rect DesktopNativeWidgetAura::GetClientAreaBoundsInScreen() const { 688 return content_window_ ? 689 desktop_window_tree_host_->GetClientAreaBoundsInScreen() : gfx::Rect(); 690} 691 692gfx::Rect DesktopNativeWidgetAura::GetRestoredBounds() const { 693 return content_window_ ? 694 desktop_window_tree_host_->GetRestoredBounds() : gfx::Rect(); 695} 696 697void DesktopNativeWidgetAura::SetBounds(const gfx::Rect& bounds) { 698 if (!content_window_) 699 return; 700 // TODO(ananta) 701 // This code by default scales the bounds rectangle by 1. 702 // We could probably get rid of this and similar logic from 703 // the DesktopNativeWidgetAura::OnWindowTreeHostResized function. 704 float scale = 1; 705 aura::Window* root = host_->window(); 706 if (root) { 707 scale = gfx::Screen::GetScreenFor(root)-> 708 GetDisplayNearestWindow(root).device_scale_factor(); 709 } 710 gfx::Rect bounds_in_pixels = 711 gfx::ScaleToEnclosingRect(bounds, scale, scale); 712 desktop_window_tree_host_->AsWindowTreeHost()->SetBounds(bounds_in_pixels); 713} 714 715void DesktopNativeWidgetAura::SetSize(const gfx::Size& size) { 716 if (content_window_) 717 desktop_window_tree_host_->SetSize(size); 718} 719 720void DesktopNativeWidgetAura::StackAbove(gfx::NativeView native_view) { 721} 722 723void DesktopNativeWidgetAura::StackAtTop() { 724 if (content_window_) 725 desktop_window_tree_host_->StackAtTop(); 726} 727 728void DesktopNativeWidgetAura::StackBelow(gfx::NativeView native_view) { 729} 730 731void DesktopNativeWidgetAura::SetShape(gfx::NativeRegion shape) { 732 if (content_window_) 733 desktop_window_tree_host_->SetShape(shape); 734} 735 736void DesktopNativeWidgetAura::Close() { 737 if (!content_window_) 738 return; 739 740 content_window_->SuppressPaint(); 741 content_window_->Hide(); 742 743 desktop_window_tree_host_->Close(); 744} 745 746void DesktopNativeWidgetAura::CloseNow() { 747 if (content_window_) 748 desktop_window_tree_host_->CloseNow(); 749} 750 751void DesktopNativeWidgetAura::Show() { 752 if (!content_window_) 753 return; 754 desktop_window_tree_host_->AsWindowTreeHost()->Show(); 755 content_window_->Show(); 756} 757 758void DesktopNativeWidgetAura::Hide() { 759 if (!content_window_) 760 return; 761 desktop_window_tree_host_->AsWindowTreeHost()->Hide(); 762 content_window_->Hide(); 763} 764 765void DesktopNativeWidgetAura::ShowMaximizedWithBounds( 766 const gfx::Rect& restored_bounds) { 767 if (!content_window_) 768 return; 769 desktop_window_tree_host_->ShowMaximizedWithBounds(restored_bounds); 770 content_window_->Show(); 771} 772 773void DesktopNativeWidgetAura::ShowWithWindowState(ui::WindowShowState state) { 774 if (!content_window_) 775 return; 776 desktop_window_tree_host_->ShowWindowWithState(state); 777 content_window_->Show(); 778} 779 780bool DesktopNativeWidgetAura::IsVisible() const { 781 return content_window_ && desktop_window_tree_host_->IsVisible(); 782} 783 784void DesktopNativeWidgetAura::Activate() { 785 if (content_window_) 786 desktop_window_tree_host_->Activate(); 787} 788 789void DesktopNativeWidgetAura::Deactivate() { 790 if (content_window_) 791 desktop_window_tree_host_->Deactivate(); 792} 793 794bool DesktopNativeWidgetAura::IsActive() const { 795 return content_window_ && desktop_window_tree_host_->IsActive(); 796} 797 798void DesktopNativeWidgetAura::SetAlwaysOnTop(bool always_on_top) { 799 if (content_window_) 800 desktop_window_tree_host_->SetAlwaysOnTop(always_on_top); 801} 802 803bool DesktopNativeWidgetAura::IsAlwaysOnTop() const { 804 return content_window_ && desktop_window_tree_host_->IsAlwaysOnTop(); 805} 806 807void DesktopNativeWidgetAura::SetVisibleOnAllWorkspaces(bool always_visible) { 808 if (content_window_) 809 desktop_window_tree_host_->SetVisibleOnAllWorkspaces(always_visible); 810} 811 812void DesktopNativeWidgetAura::Maximize() { 813 if (content_window_) 814 desktop_window_tree_host_->Maximize(); 815} 816 817void DesktopNativeWidgetAura::Minimize() { 818 if (content_window_) 819 desktop_window_tree_host_->Minimize(); 820} 821 822bool DesktopNativeWidgetAura::IsMaximized() const { 823 return content_window_ && desktop_window_tree_host_->IsMaximized(); 824} 825 826bool DesktopNativeWidgetAura::IsMinimized() const { 827 return content_window_ && desktop_window_tree_host_->IsMinimized(); 828} 829 830void DesktopNativeWidgetAura::Restore() { 831 if (content_window_) 832 desktop_window_tree_host_->Restore(); 833} 834 835void DesktopNativeWidgetAura::SetFullscreen(bool fullscreen) { 836 if (content_window_) 837 desktop_window_tree_host_->SetFullscreen(fullscreen); 838} 839 840bool DesktopNativeWidgetAura::IsFullscreen() const { 841 return content_window_ && desktop_window_tree_host_->IsFullscreen(); 842} 843 844void DesktopNativeWidgetAura::SetOpacity(unsigned char opacity) { 845 if (content_window_) 846 desktop_window_tree_host_->SetOpacity(opacity); 847} 848 849void DesktopNativeWidgetAura::SetUseDragFrame(bool use_drag_frame) { 850} 851 852void DesktopNativeWidgetAura::FlashFrame(bool flash_frame) { 853 if (content_window_) 854 desktop_window_tree_host_->FlashFrame(flash_frame); 855} 856 857void DesktopNativeWidgetAura::RunShellDrag( 858 View* view, 859 const ui::OSExchangeData& data, 860 const gfx::Point& location, 861 int operation, 862 ui::DragDropTypes::DragEventSource source) { 863 views::RunShellDrag(content_window_, data, location, operation, source); 864} 865 866void DesktopNativeWidgetAura::SchedulePaintInRect(const gfx::Rect& rect) { 867 if (content_window_) 868 content_window_->SchedulePaintInRect(rect); 869} 870 871void DesktopNativeWidgetAura::SetCursor(gfx::NativeCursor cursor) { 872 cursor_ = cursor; 873 aura::client::CursorClient* cursor_client = 874 aura::client::GetCursorClient(host_->window()); 875 if (cursor_client) 876 cursor_client->SetCursor(cursor); 877} 878 879bool DesktopNativeWidgetAura::IsMouseEventsEnabled() const { 880 if (!content_window_) 881 return false; 882 aura::client::CursorClient* cursor_client = 883 aura::client::GetCursorClient(host_->window()); 884 return cursor_client ? cursor_client->IsMouseEventsEnabled() : true; 885} 886 887void DesktopNativeWidgetAura::ClearNativeFocus() { 888 desktop_window_tree_host_->ClearNativeFocus(); 889 890 if (ShouldActivate()) { 891 aura::client::GetFocusClient(content_window_)-> 892 ResetFocusWithinActiveWindow(content_window_); 893 } 894} 895 896gfx::Rect DesktopNativeWidgetAura::GetWorkAreaBoundsInScreen() const { 897 return desktop_window_tree_host_ ? 898 desktop_window_tree_host_->GetWorkAreaBoundsInScreen() : gfx::Rect(); 899} 900 901Widget::MoveLoopResult DesktopNativeWidgetAura::RunMoveLoop( 902 const gfx::Vector2d& drag_offset, 903 Widget::MoveLoopSource source, 904 Widget::MoveLoopEscapeBehavior escape_behavior) { 905 if (!content_window_) 906 return Widget::MOVE_LOOP_CANCELED; 907 return desktop_window_tree_host_->RunMoveLoop(drag_offset, source, 908 escape_behavior); 909} 910 911void DesktopNativeWidgetAura::EndMoveLoop() { 912 if (content_window_) 913 desktop_window_tree_host_->EndMoveLoop(); 914} 915 916void DesktopNativeWidgetAura::SetVisibilityChangedAnimationsEnabled( 917 bool value) { 918 if (content_window_) 919 desktop_window_tree_host_->SetVisibilityChangedAnimationsEnabled(value); 920} 921 922ui::NativeTheme* DesktopNativeWidgetAura::GetNativeTheme() const { 923 return DesktopWindowTreeHost::GetNativeTheme(content_window_); 924} 925 926void DesktopNativeWidgetAura::OnRootViewLayout() { 927 if (content_window_) 928 desktop_window_tree_host_->OnRootViewLayout(); 929} 930 931bool DesktopNativeWidgetAura::IsTranslucentWindowOpacitySupported() const { 932 return content_window_ && 933 desktop_window_tree_host_->IsTranslucentWindowOpacitySupported(); 934} 935 936void DesktopNativeWidgetAura::OnSizeConstraintsChanged() { 937 content_window_->SetProperty(aura::client::kCanMaximizeKey, 938 GetWidget()->widget_delegate()->CanMaximize()); 939 content_window_->SetProperty(aura::client::kCanResizeKey, 940 GetWidget()->widget_delegate()->CanResize()); 941 desktop_window_tree_host_->SizeConstraintsChanged(); 942} 943 944void DesktopNativeWidgetAura::RepostNativeEvent(gfx::NativeEvent native_event) { 945 OnEvent(native_event); 946} 947 948//////////////////////////////////////////////////////////////////////////////// 949// DesktopNativeWidgetAura, aura::WindowDelegate implementation: 950 951gfx::Size DesktopNativeWidgetAura::GetMinimumSize() const { 952 return native_widget_delegate_->GetMinimumSize(); 953} 954 955gfx::Size DesktopNativeWidgetAura::GetMaximumSize() const { 956 return native_widget_delegate_->GetMaximumSize(); 957} 958 959gfx::NativeCursor DesktopNativeWidgetAura::GetCursor(const gfx::Point& point) { 960 return cursor_; 961} 962 963int DesktopNativeWidgetAura::GetNonClientComponent( 964 const gfx::Point& point) const { 965 return native_widget_delegate_->GetNonClientComponent(point); 966} 967 968bool DesktopNativeWidgetAura::ShouldDescendIntoChildForEventHandling( 969 aura::Window* child, 970 const gfx::Point& location) { 971 views::WidgetDelegate* widget_delegate = GetWidget()->widget_delegate(); 972 return !widget_delegate || 973 widget_delegate->ShouldDescendIntoChildForEventHandling(child, location); 974} 975 976bool DesktopNativeWidgetAura::CanFocus() { 977 return true; 978} 979 980void DesktopNativeWidgetAura::OnCaptureLost() { 981 native_widget_delegate_->OnMouseCaptureLost(); 982} 983 984void DesktopNativeWidgetAura::OnPaint(gfx::Canvas* canvas) { 985 native_widget_delegate_->OnNativeWidgetPaint(canvas); 986} 987 988void DesktopNativeWidgetAura::OnDeviceScaleFactorChanged( 989 float device_scale_factor) { 990} 991 992void DesktopNativeWidgetAura::OnWindowDestroying(aura::Window* window) { 993 // Cleanup happens in OnHostClosed(). 994} 995 996void DesktopNativeWidgetAura::OnWindowDestroyed(aura::Window* window) { 997 // Cleanup happens in OnHostClosed(). We own |content_window_| (indirectly by 998 // way of |dispatcher_|) so there should be no need to do any processing 999 // here. 1000} 1001 1002void DesktopNativeWidgetAura::OnWindowTargetVisibilityChanged(bool visible) { 1003} 1004 1005bool DesktopNativeWidgetAura::HasHitTestMask() const { 1006 return native_widget_delegate_->HasHitTestMask(); 1007} 1008 1009void DesktopNativeWidgetAura::GetHitTestMask(gfx::Path* mask) const { 1010 native_widget_delegate_->GetHitTestMask(mask); 1011} 1012 1013//////////////////////////////////////////////////////////////////////////////// 1014// DesktopNativeWidgetAura, ui::EventHandler implementation: 1015 1016void DesktopNativeWidgetAura::OnKeyEvent(ui::KeyEvent* event) { 1017 if (event->is_char()) { 1018 // If a ui::InputMethod object is attached to the root window, character 1019 // events are handled inside the object and are not passed to this function. 1020 // If such object is not attached, character events might be sent (e.g. on 1021 // Windows). In this case, we just skip these. 1022 return; 1023 } 1024 // Renderer may send a key event back to us if the key event wasn't handled, 1025 // and the window may be invisible by that time. 1026 if (!content_window_->IsVisible()) 1027 return; 1028 1029 native_widget_delegate_->OnKeyEvent(event); 1030 if (event->handled()) 1031 return; 1032 1033 if (GetWidget()->HasFocusManager() && 1034 !GetWidget()->GetFocusManager()->OnKeyEvent(*event)) 1035 event->SetHandled(); 1036} 1037 1038void DesktopNativeWidgetAura::OnMouseEvent(ui::MouseEvent* event) { 1039 DCHECK(content_window_->IsVisible()); 1040 if (tooltip_manager_.get()) 1041 tooltip_manager_->UpdateTooltip(); 1042 TooltipManagerAura::UpdateTooltipManagerForCapture(GetWidget()); 1043 native_widget_delegate_->OnMouseEvent(event); 1044 // WARNING: we may have been deleted. 1045} 1046 1047void DesktopNativeWidgetAura::OnScrollEvent(ui::ScrollEvent* event) { 1048 if (event->type() == ui::ET_SCROLL) { 1049 native_widget_delegate_->OnScrollEvent(event); 1050 if (event->handled()) 1051 return; 1052 1053 // Convert unprocessed scroll events into wheel events. 1054 ui::MouseWheelEvent mwe(*static_cast<ui::ScrollEvent*>(event)); 1055 native_widget_delegate_->OnMouseEvent(&mwe); 1056 if (mwe.handled()) 1057 event->SetHandled(); 1058 } else { 1059 native_widget_delegate_->OnScrollEvent(event); 1060 } 1061} 1062 1063void DesktopNativeWidgetAura::OnGestureEvent(ui::GestureEvent* event) { 1064 native_widget_delegate_->OnGestureEvent(event); 1065} 1066 1067//////////////////////////////////////////////////////////////////////////////// 1068// DesktopNativeWidgetAura, aura::client::ActivationDelegate implementation: 1069 1070bool DesktopNativeWidgetAura::ShouldActivate() const { 1071 return native_widget_delegate_->CanActivate(); 1072} 1073 1074//////////////////////////////////////////////////////////////////////////////// 1075// DesktopNativeWidgetAura, aura::client::ActivationChangeObserver 1076// implementation: 1077 1078void DesktopNativeWidgetAura::OnWindowActivated(aura::Window* gained_active, 1079 aura::Window* lost_active) { 1080 DCHECK(content_window_ == gained_active || content_window_ == lost_active); 1081 if (gained_active == content_window_ && restore_focus_on_activate_) { 1082 restore_focus_on_activate_ = false; 1083 GetWidget()->GetFocusManager()->RestoreFocusedView(); 1084 } else if (lost_active == content_window_ && GetWidget()->HasFocusManager()) { 1085 DCHECK(!restore_focus_on_activate_); 1086 restore_focus_on_activate_ = true; 1087 // Pass in false so that ClearNativeFocus() isn't invoked. 1088 GetWidget()->GetFocusManager()->StoreFocusedView(false); 1089 } 1090} 1091 1092//////////////////////////////////////////////////////////////////////////////// 1093// DesktopNativeWidgetAura, aura::client::FocusChangeObserver implementation: 1094 1095void DesktopNativeWidgetAura::OnWindowFocused(aura::Window* gained_focus, 1096 aura::Window* lost_focus) { 1097 if (content_window_ == gained_focus) { 1098 desktop_window_tree_host_->OnNativeWidgetFocus(); 1099 native_widget_delegate_->OnNativeFocus(lost_focus); 1100 1101 // If focus is moving from a descendant Window to |content_window_| then 1102 // native activation hasn't changed. Still, the InputMethod must be informed 1103 // of the Window focus change. 1104 InputMethod* input_method = GetWidget()->GetInputMethod(); 1105 if (input_method) 1106 input_method->OnFocus(); 1107 } else if (content_window_ == lost_focus) { 1108 desktop_window_tree_host_->OnNativeWidgetBlur(); 1109 native_widget_delegate_->OnNativeBlur(gained_focus); 1110 } 1111} 1112 1113//////////////////////////////////////////////////////////////////////////////// 1114// DesktopNativeWidgetAura, views::internal::InputMethodDelegate: 1115 1116void DesktopNativeWidgetAura::DispatchKeyEventPostIME(const ui::KeyEvent& key) { 1117 FocusManager* focus_manager = 1118 native_widget_delegate_->AsWidget()->GetFocusManager(); 1119 native_widget_delegate_->OnKeyEvent(const_cast<ui::KeyEvent*>(&key)); 1120 if (key.handled() || !focus_manager) 1121 return; 1122 focus_manager->OnKeyEvent(key); 1123} 1124 1125//////////////////////////////////////////////////////////////////////////////// 1126// DesktopNativeWidgetAura, aura::WindowDragDropDelegate implementation: 1127 1128void DesktopNativeWidgetAura::OnDragEntered(const ui::DropTargetEvent& event) { 1129 DCHECK(drop_helper_.get() != NULL); 1130 last_drop_operation_ = drop_helper_->OnDragOver(event.data(), 1131 event.location(), event.source_operations()); 1132} 1133 1134int DesktopNativeWidgetAura::OnDragUpdated(const ui::DropTargetEvent& event) { 1135 DCHECK(drop_helper_.get() != NULL); 1136 last_drop_operation_ = drop_helper_->OnDragOver(event.data(), 1137 event.location(), event.source_operations()); 1138 return last_drop_operation_; 1139} 1140 1141void DesktopNativeWidgetAura::OnDragExited() { 1142 DCHECK(drop_helper_.get() != NULL); 1143 drop_helper_->OnDragExit(); 1144} 1145 1146int DesktopNativeWidgetAura::OnPerformDrop(const ui::DropTargetEvent& event) { 1147 DCHECK(drop_helper_.get() != NULL); 1148 if (ShouldActivate()) 1149 Activate(); 1150 return drop_helper_->OnDrop(event.data(), event.location(), 1151 last_drop_operation_); 1152} 1153 1154//////////////////////////////////////////////////////////////////////////////// 1155// DesktopNativeWidgetAura, aura::WindowTreeHostObserver implementation: 1156 1157void DesktopNativeWidgetAura::OnHostCloseRequested( 1158 const aura::WindowTreeHost* host) { 1159 GetWidget()->Close(); 1160} 1161 1162void DesktopNativeWidgetAura::OnHostResized(const aura::WindowTreeHost* host) { 1163 // Don't update the bounds of the child layers when animating closed. If we 1164 // did it would force a paint, which we don't want. We don't want the paint 1165 // as we can't assume any of the children are valid. 1166 if (desktop_window_tree_host_->IsAnimatingClosed()) 1167 return; 1168 1169 gfx::Rect new_bounds = gfx::Rect(host->window()->bounds().size()); 1170 content_window_->SetBounds(new_bounds); 1171 // Can be NULL at start. 1172 if (content_window_container_) 1173 content_window_container_->SetBounds(new_bounds); 1174 native_widget_delegate_->OnNativeWidgetSizeChanged(new_bounds.size()); 1175} 1176 1177void DesktopNativeWidgetAura::OnHostMoved(const aura::WindowTreeHost* host, 1178 const gfx::Point& new_origin) { 1179 TRACE_EVENT1("views", "DesktopNativeWidgetAura::OnHostMoved", 1180 "new_origin", new_origin.ToString()); 1181 1182 native_widget_delegate_->OnNativeWidgetMove(); 1183} 1184 1185//////////////////////////////////////////////////////////////////////////////// 1186// DesktopNativeWidgetAura, private: 1187 1188void DesktopNativeWidgetAura::InstallInputMethodEventFilter() { 1189 DCHECK(!input_method_event_filter_.get()); 1190 1191 input_method_event_filter_.reset(new wm::InputMethodEventFilter( 1192 host_->GetAcceleratedWidget())); 1193 input_method_event_filter_->SetInputMethodPropertyInRootWindow( 1194 host_->window()); 1195 root_window_event_filter_->AddHandler(input_method_event_filter_.get()); 1196} 1197 1198void DesktopNativeWidgetAura::UpdateWindowTransparency() { 1199 content_window_->SetTransparent( 1200 desktop_window_tree_host_->ShouldWindowContentsBeTransparent()); 1201 // Regardless of transparency or not, this root content window will always 1202 // fill its bounds completely, so set this flag to true to avoid an 1203 // unecessary clear before update. 1204 content_window_->SetFillsBoundsCompletely(true); 1205} 1206 1207void DesktopNativeWidgetAura::RootWindowDestroyed() { 1208 cursor_reference_count_--; 1209 if (cursor_reference_count_ == 0) { 1210 // We are the last DesktopNativeWidgetAura instance, and we are responsible 1211 // for cleaning up |cursor_manager_|. 1212 delete cursor_manager_; 1213 native_cursor_manager_ = NULL; 1214 cursor_manager_ = NULL; 1215 } 1216} 1217 1218} // namespace views 1219