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/root_window_controller.h"
6
7 #include <queue>
8 #include <vector>
9
10 #include "ash/ash_constants.h"
11 #include "ash/ash_switches.h"
12 #include "ash/desktop_background/desktop_background_controller.h"
13 #include "ash/desktop_background/desktop_background_widget_controller.h"
14 #include "ash/desktop_background/user_wallpaper_delegate.h"
15 #include "ash/display/display_manager.h"
16 #include "ash/focus_cycler.h"
17 #include "ash/high_contrast/high_contrast_controller.h"
18 #include "ash/host/ash_window_tree_host.h"
19 #include "ash/root_window_settings.h"
20 #include "ash/session/session_state_delegate.h"
21 #include "ash/shelf/shelf_layout_manager.h"
22 #include "ash/shelf/shelf_types.h"
23 #include "ash/shelf/shelf_widget.h"
24 #include "ash/shell.h"
25 #include "ash/shell_delegate.h"
26 #include "ash/shell_factory.h"
27 #include "ash/shell_window_ids.h"
28 #include "ash/switchable_windows.h"
29 #include "ash/system/status_area_widget.h"
30 #include "ash/system/tray/system_tray_delegate.h"
31 #include "ash/system/tray/system_tray_notifier.h"
32 #include "ash/touch/touch_hud_debug.h"
33 #include "ash/touch/touch_hud_projection.h"
34 #include "ash/touch/touch_observer_hud.h"
35 #include "ash/wm/always_on_top_controller.h"
36 #include "ash/wm/dock/docked_window_layout_manager.h"
37 #include "ash/wm/lock_layout_manager.h"
38 #include "ash/wm/panels/attached_panel_window_targeter.h"
39 #include "ash/wm/panels/panel_layout_manager.h"
40 #include "ash/wm/panels/panel_window_event_handler.h"
41 #include "ash/wm/root_window_layout_manager.h"
42 #include "ash/wm/screen_dimmer.h"
43 #include "ash/wm/stacking_controller.h"
44 #include "ash/wm/status_area_layout_manager.h"
45 #include "ash/wm/system_background_controller.h"
46 #include "ash/wm/system_modal_container_layout_manager.h"
47 #include "ash/wm/virtual_keyboard_container_layout_manager.h"
48 #include "ash/wm/window_properties.h"
49 #include "ash/wm/window_state.h"
50 #include "ash/wm/window_util.h"
51 #include "ash/wm/workspace/workspace_layout_manager.h"
52 #include "ash/wm/workspace_controller.h"
53 #include "base/command_line.h"
54 #include "base/time/time.h"
55 #include "ui/aura/client/aura_constants.h"
56 #include "ui/aura/client/screen_position_client.h"
57 #include "ui/aura/window.h"
58 #include "ui/aura/window_delegate.h"
59 #include "ui/aura/window_event_dispatcher.h"
60 #include "ui/aura/window_observer.h"
61 #include "ui/aura/window_tracker.h"
62 #include "ui/base/hit_test.h"
63 #include "ui/base/models/menu_model.h"
64 #include "ui/gfx/display.h"
65 #include "ui/gfx/screen.h"
66 #include "ui/keyboard/keyboard_controller.h"
67 #include "ui/keyboard/keyboard_util.h"
68 #include "ui/views/controls/menu/menu_runner.h"
69 #include "ui/views/view_model.h"
70 #include "ui/views/view_model_utils.h"
71 #include "ui/wm/core/capture_controller.h"
72 #include "ui/wm/core/easy_resize_window_targeter.h"
73 #include "ui/wm/core/visibility_controller.h"
74 #include "ui/wm/core/window_util.h"
75 #include "ui/wm/public/drag_drop_client.h"
76 #include "ui/wm/public/tooltip_client.h"
77 #include "ui/wm/public/window_types.h"
78
79 #if defined(OS_CHROMEOS)
80 #include "ash/ash_touch_exploration_manager_chromeos.h"
81 #include "ash/wm/boot_splash_screen_chromeos.h"
82 #include "ui/chromeos/touch_exploration_controller.h"
83 #endif
84
85 namespace ash {
86 namespace {
87
88 #if defined(OS_CHROMEOS)
89 // Duration for the animation that hides the boot splash screen, in
90 // milliseconds. This should be short enough in relation to
91 // wm/window_animation.cc's brightness/grayscale fade animation that the login
92 // background image animation isn't hidden by the splash screen animation.
93 const int kBootSplashScreenHideDurationMs = 500;
94 #endif
95
96 // Creates a new window for use as a container.
CreateContainer(int window_id,const char * name,aura::Window * parent)97 aura::Window* CreateContainer(int window_id,
98 const char* name,
99 aura::Window* parent) {
100 aura::Window* container = new aura::Window(NULL);
101 container->set_id(window_id);
102 container->SetName(name);
103 container->Init(aura::WINDOW_LAYER_NOT_DRAWN);
104 parent->AddChild(container);
105 if (window_id != kShellWindowId_UnparentedControlContainer)
106 container->Show();
107 return container;
108 }
109
ToRelativeValue(int value,int src,int dst)110 float ToRelativeValue(int value, int src, int dst) {
111 return static_cast<float>(value) / static_cast<float>(src) * dst;
112 }
113
MoveOriginRelativeToSize(const gfx::Size & src_size,const gfx::Size & dst_size,gfx::Rect * bounds_in_out)114 void MoveOriginRelativeToSize(const gfx::Size& src_size,
115 const gfx::Size& dst_size,
116 gfx::Rect* bounds_in_out) {
117 gfx::Point origin = bounds_in_out->origin();
118 bounds_in_out->set_origin(gfx::Point(
119 ToRelativeValue(origin.x(), src_size.width(), dst_size.width()),
120 ToRelativeValue(origin.y(), src_size.height(), dst_size.height())));
121 }
122
123 // Reparents |window| to |new_parent|.
ReparentWindow(aura::Window * window,aura::Window * new_parent)124 void ReparentWindow(aura::Window* window, aura::Window* new_parent) {
125 const gfx::Size src_size = window->parent()->bounds().size();
126 const gfx::Size dst_size = new_parent->bounds().size();
127 // Update the restore bounds to make it relative to the display.
128 wm::WindowState* state = wm::GetWindowState(window);
129 gfx::Rect restore_bounds;
130 bool has_restore_bounds = state->HasRestoreBounds();
131
132 bool update_bounds = (state->IsNormalOrSnapped() || state->IsMinimized()) &&
133 new_parent->id() != kShellWindowId_DockedContainer;
134 gfx::Rect local_bounds;
135 if (update_bounds) {
136 local_bounds = state->window()->bounds();
137 MoveOriginRelativeToSize(src_size, dst_size, &local_bounds);
138 }
139
140 if (has_restore_bounds) {
141 restore_bounds = state->GetRestoreBoundsInParent();
142 MoveOriginRelativeToSize(src_size, dst_size, &restore_bounds);
143 }
144
145 new_parent->AddChild(window);
146
147 // Docked windows have bounds handled by the layout manager in AddChild().
148 if (update_bounds)
149 window->SetBounds(local_bounds);
150
151 if (has_restore_bounds)
152 state->SetRestoreBoundsInParent(restore_bounds);
153 }
154
155 // Reparents the appropriate set of windows from |src| to |dst|.
ReparentAllWindows(aura::Window * src,aura::Window * dst)156 void ReparentAllWindows(aura::Window* src, aura::Window* dst) {
157 // Set of windows to move.
158 const int kContainerIdsToMove[] = {
159 kShellWindowId_DefaultContainer,
160 kShellWindowId_DockedContainer,
161 kShellWindowId_PanelContainer,
162 kShellWindowId_AlwaysOnTopContainer,
163 kShellWindowId_SystemModalContainer,
164 kShellWindowId_LockSystemModalContainer,
165 kShellWindowId_UnparentedControlContainer, };
166 for (size_t i = 0; i < arraysize(kContainerIdsToMove); i++) {
167 int id = kContainerIdsToMove[i];
168 aura::Window* src_container = Shell::GetContainer(src, id);
169 aura::Window* dst_container = Shell::GetContainer(dst, id);
170 while (!src_container->children().empty()) {
171 // Restart iteration from the source container windows each time as they
172 // may change as a result of moving other windows.
173 aura::Window::Windows::const_iterator iter =
174 src_container->children().begin();
175 while (iter != src_container->children().end() &&
176 SystemModalContainerLayoutManager::IsModalBackground(*iter)) {
177 ++iter;
178 }
179 // If the entire window list is modal background windows then stop.
180 if (iter == src_container->children().end())
181 break;
182 ReparentWindow(*iter, dst_container);
183 }
184 }
185 }
186
187 // Mark the container window so that a widget added to this container will
188 // use the virtual screeen coordinates instead of parent.
SetUsesScreenCoordinates(aura::Window * container)189 void SetUsesScreenCoordinates(aura::Window* container) {
190 container->SetProperty(kUsesScreenCoordinatesKey, true);
191 }
192
193 // Mark the container window so that a widget added to this container will
194 // say in the same root window regardless of the bounds specified.
DescendantShouldStayInSameRootWindow(aura::Window * container)195 void DescendantShouldStayInSameRootWindow(aura::Window* container) {
196 container->SetProperty(kStayInSameRootWindowKey, true);
197 }
198
SetUsesEasyResizeTargeter(aura::Window * container)199 void SetUsesEasyResizeTargeter(aura::Window* container) {
200 gfx::Insets mouse_extend(-kResizeOutsideBoundsSize,
201 -kResizeOutsideBoundsSize,
202 -kResizeOutsideBoundsSize,
203 -kResizeOutsideBoundsSize);
204 gfx::Insets touch_extend = mouse_extend.Scale(
205 kResizeOutsideBoundsScaleForTouch);
206 container->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
207 new ::wm::EasyResizeWindowTargeter(container, mouse_extend,
208 touch_extend)));
209 }
210
211 // A window delegate which does nothing. Used to create a window that
212 // is a event target, but do nothing.
213 class EmptyWindowDelegate : public aura::WindowDelegate {
214 public:
EmptyWindowDelegate()215 EmptyWindowDelegate() {}
~EmptyWindowDelegate()216 virtual ~EmptyWindowDelegate() {}
217
218 // aura::WindowDelegate overrides:
GetMinimumSize() const219 virtual gfx::Size GetMinimumSize() const OVERRIDE {
220 return gfx::Size();
221 }
GetMaximumSize() const222 virtual gfx::Size GetMaximumSize() const OVERRIDE {
223 return gfx::Size();
224 }
OnBoundsChanged(const gfx::Rect & old_bounds,const gfx::Rect & new_bounds)225 virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
226 const gfx::Rect& new_bounds) OVERRIDE {
227 }
GetCursor(const gfx::Point & point)228 virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE {
229 return gfx::kNullCursor;
230 }
GetNonClientComponent(const gfx::Point & point) const231 virtual int GetNonClientComponent(
232 const gfx::Point& point) const OVERRIDE {
233 return HTNOWHERE;
234 }
ShouldDescendIntoChildForEventHandling(aura::Window * child,const gfx::Point & location)235 virtual bool ShouldDescendIntoChildForEventHandling(
236 aura::Window* child,
237 const gfx::Point& location) OVERRIDE {
238 return false;
239 }
CanFocus()240 virtual bool CanFocus() OVERRIDE {
241 return false;
242 }
OnCaptureLost()243 virtual void OnCaptureLost() OVERRIDE {
244 }
OnPaint(gfx::Canvas * canvas)245 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
246 }
OnDeviceScaleFactorChanged(float device_scale_factor)247 virtual void OnDeviceScaleFactorChanged(
248 float device_scale_factor) OVERRIDE {
249 }
OnWindowDestroying(aura::Window * window)250 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {}
OnWindowDestroyed(aura::Window * window)251 virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE {
252 delete this;
253 }
OnWindowTargetVisibilityChanged(bool visible)254 virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {
255 }
HasHitTestMask() const256 virtual bool HasHitTestMask() const OVERRIDE {
257 return false;
258 }
GetHitTestMask(gfx::Path * mask) const259 virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {}
260
261 private:
262 DISALLOW_COPY_AND_ASSIGN(EmptyWindowDelegate);
263 };
264
265 } // namespace
266
CreateForPrimaryDisplay(AshWindowTreeHost * host)267 void RootWindowController::CreateForPrimaryDisplay(AshWindowTreeHost* host) {
268 RootWindowController* controller = new RootWindowController(host);
269 controller->Init(RootWindowController::PRIMARY,
270 Shell::GetInstance()->delegate()->IsFirstRunAfterBoot());
271 }
272
CreateForSecondaryDisplay(AshWindowTreeHost * host)273 void RootWindowController::CreateForSecondaryDisplay(AshWindowTreeHost* host) {
274 RootWindowController* controller = new RootWindowController(host);
275 controller->Init(RootWindowController::SECONDARY, false /* first run */);
276 }
277
278 // static
ForShelf(const aura::Window * window)279 RootWindowController* RootWindowController::ForShelf(
280 const aura::Window* window) {
281 CHECK(Shell::HasInstance());
282 return GetRootWindowController(window->GetRootWindow());
283 }
284
285 // static
ForWindow(const aura::Window * window)286 RootWindowController* RootWindowController::ForWindow(
287 const aura::Window* window) {
288 CHECK(Shell::HasInstance());
289 return GetRootWindowController(window->GetRootWindow());
290 }
291
292 // static
ForTargetRootWindow()293 RootWindowController* RootWindowController::ForTargetRootWindow() {
294 CHECK(Shell::HasInstance());
295 return GetRootWindowController(Shell::GetTargetRootWindow());
296 }
297
298 // static
GetContainerForWindow(aura::Window * window)299 aura::Window* RootWindowController::GetContainerForWindow(
300 aura::Window* window) {
301 aura::Window* container = window->parent();
302 while (container && container->type() != ui::wm::WINDOW_TYPE_UNKNOWN)
303 container = container->parent();
304 return container;
305 }
306
~RootWindowController()307 RootWindowController::~RootWindowController() {
308 Shutdown();
309 ash_host_.reset();
310 // The CaptureClient needs to be around for as long as the RootWindow is
311 // valid.
312 capture_client_.reset();
313 }
314
GetHost()315 aura::WindowTreeHost* RootWindowController::GetHost() {
316 return ash_host_->AsWindowTreeHost();
317 }
318
GetHost() const319 const aura::WindowTreeHost* RootWindowController::GetHost() const {
320 return ash_host_->AsWindowTreeHost();
321 }
322
GetRootWindow()323 aura::Window* RootWindowController::GetRootWindow() {
324 return GetHost()->window();
325 }
326
GetRootWindow() const327 const aura::Window* RootWindowController::GetRootWindow() const {
328 return GetHost()->window();
329 }
330
SetWallpaperController(DesktopBackgroundWidgetController * controller)331 void RootWindowController::SetWallpaperController(
332 DesktopBackgroundWidgetController* controller) {
333 wallpaper_controller_.reset(controller);
334 }
335
SetAnimatingWallpaperController(AnimatingDesktopController * controller)336 void RootWindowController::SetAnimatingWallpaperController(
337 AnimatingDesktopController* controller) {
338 if (animating_wallpaper_controller_.get())
339 animating_wallpaper_controller_->StopAnimating();
340 animating_wallpaper_controller_.reset(controller);
341 }
342
Shutdown()343 void RootWindowController::Shutdown() {
344 Shell* shell = Shell::GetInstance();
345 shell->RemoveShellObserver(this);
346
347 #if defined(OS_CHROMEOS)
348 if (touch_exploration_manager_) {
349 touch_exploration_manager_.reset();
350 }
351 #endif
352
353 if (animating_wallpaper_controller_.get())
354 animating_wallpaper_controller_->StopAnimating();
355 wallpaper_controller_.reset();
356 animating_wallpaper_controller_.reset();
357 aura::Window* root_window = GetRootWindow();
358 // Change the target root window before closing child windows. If any child
359 // being removed triggers a relayout of the shelf it will try to build a
360 // window list adding windows from the target root window's containers which
361 // may have already gone away.
362 if (Shell::GetTargetRootWindow() == root_window) {
363 shell->set_target_root_window(
364 Shell::GetPrimaryRootWindow() == root_window
365 ? NULL
366 : Shell::GetPrimaryRootWindow());
367 }
368
369 CloseChildWindows();
370 GetRootWindowSettings(root_window)->controller = NULL;
371 screen_dimmer_.reset();
372 workspace_controller_.reset();
373 // Forget with the display ID so that display lookup
374 // ends up with invalid display.
375 GetRootWindowSettings(root_window)->display_id =
376 gfx::Display::kInvalidDisplayID;
377 ash_host_->PrepareForShutdown();
378
379 system_background_.reset();
380 aura::client::SetScreenPositionClient(root_window, NULL);
381 }
382
383 SystemModalContainerLayoutManager*
GetSystemModalLayoutManager(aura::Window * window)384 RootWindowController::GetSystemModalLayoutManager(aura::Window* window) {
385 aura::Window* modal_container = NULL;
386 if (window) {
387 aura::Window* window_container = GetContainerForWindow(window);
388 if (window_container &&
389 window_container->id() >= kShellWindowId_LockScreenContainer) {
390 modal_container = GetContainer(kShellWindowId_LockSystemModalContainer);
391 } else {
392 modal_container = GetContainer(kShellWindowId_SystemModalContainer);
393 }
394 } else {
395 int modal_window_id = Shell::GetInstance()->session_state_delegate()
396 ->IsUserSessionBlocked() ? kShellWindowId_LockSystemModalContainer :
397 kShellWindowId_SystemModalContainer;
398 modal_container = GetContainer(modal_window_id);
399 }
400 return modal_container ? static_cast<SystemModalContainerLayoutManager*>(
401 modal_container->layout_manager()) : NULL;
402 }
403
GetContainer(int container_id)404 aura::Window* RootWindowController::GetContainer(int container_id) {
405 return GetRootWindow()->GetChildById(container_id);
406 }
407
GetContainer(int container_id) const408 const aura::Window* RootWindowController::GetContainer(int container_id) const {
409 return ash_host_->AsWindowTreeHost()->window()->GetChildById(container_id);
410 }
411
ShowShelf()412 void RootWindowController::ShowShelf() {
413 if (!shelf_->shelf())
414 return;
415 shelf_->shelf()->SetVisible(true);
416 shelf_->status_area_widget()->Show();
417 }
418
OnShelfCreated()419 void RootWindowController::OnShelfCreated() {
420 if (panel_layout_manager_)
421 panel_layout_manager_->SetShelf(shelf_->shelf());
422 if (docked_layout_manager_) {
423 docked_layout_manager_->SetShelf(shelf_->shelf());
424 if (shelf_->shelf_layout_manager())
425 docked_layout_manager_->AddObserver(shelf_->shelf_layout_manager());
426 }
427
428 // Notify shell observers that the shelf has been created.
429 Shell::GetInstance()->OnShelfCreatedForRootWindow(GetRootWindow());
430 }
431
UpdateAfterLoginStatusChange(user::LoginStatus status)432 void RootWindowController::UpdateAfterLoginStatusChange(
433 user::LoginStatus status) {
434 if (status != user::LOGGED_IN_NONE)
435 mouse_event_target_.reset();
436 if (shelf_->status_area_widget())
437 shelf_->status_area_widget()->UpdateAfterLoginStatusChange(status);
438 }
439
HandleInitialDesktopBackgroundAnimationStarted()440 void RootWindowController::HandleInitialDesktopBackgroundAnimationStarted() {
441 #if defined(OS_CHROMEOS)
442 if (CommandLine::ForCurrentProcess()->HasSwitch(
443 switches::kAshAnimateFromBootSplashScreen) &&
444 boot_splash_screen_.get()) {
445 // Make the splash screen fade out so it doesn't obscure the desktop
446 // wallpaper's brightness/grayscale animation.
447 boot_splash_screen_->StartHideAnimation(
448 base::TimeDelta::FromMilliseconds(kBootSplashScreenHideDurationMs));
449 }
450 #endif
451 }
452
OnWallpaperAnimationFinished(views::Widget * widget)453 void RootWindowController::OnWallpaperAnimationFinished(views::Widget* widget) {
454 // Make sure the wallpaper is visible.
455 system_background_->SetColor(SK_ColorBLACK);
456 #if defined(OS_CHROMEOS)
457 boot_splash_screen_.reset();
458 #endif
459
460 Shell::GetInstance()->user_wallpaper_delegate()->
461 OnWallpaperAnimationFinished();
462 // Only removes old component when wallpaper animation finished. If we
463 // remove the old one before the new wallpaper is done fading in there will
464 // be a white flash during the animation.
465 if (animating_wallpaper_controller()) {
466 DesktopBackgroundWidgetController* controller =
467 animating_wallpaper_controller()->GetController(true);
468 // |desktop_widget_| should be the same animating widget we try to move
469 // to |kDesktopController|. Otherwise, we may close |desktop_widget_|
470 // before move it to |kDesktopController|.
471 DCHECK_EQ(controller->widget(), widget);
472 // Release the old controller and close its background widget.
473 SetWallpaperController(controller);
474 }
475 }
476
CloseChildWindows()477 void RootWindowController::CloseChildWindows() {
478 mouse_event_target_.reset();
479
480 // Remove observer as deactivating keyboard causes |docked_layout_manager_|
481 // to fire notifications.
482 if (docked_layout_manager_ && shelf_ && shelf_->shelf_layout_manager())
483 docked_layout_manager_->RemoveObserver(shelf_->shelf_layout_manager());
484
485 // Deactivate keyboard container before closing child windows and shutting
486 // down associated layout managers.
487 DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
488
489 // panel_layout_manager_ needs to be shut down before windows are destroyed.
490 if (panel_layout_manager_) {
491 panel_layout_manager_->Shutdown();
492 panel_layout_manager_ = NULL;
493 }
494 // docked_layout_manager_ needs to be shut down before windows are destroyed.
495 if (docked_layout_manager_) {
496 docked_layout_manager_->Shutdown();
497 docked_layout_manager_ = NULL;
498 }
499 aura::Window* root_window = GetRootWindow();
500 aura::client::SetDragDropClient(root_window, NULL);
501
502 // TODO(harrym): Remove when Status Area Widget is a child view.
503 if (shelf_) {
504 shelf_->ShutdownStatusAreaWidget();
505
506 if (shelf_->shelf_layout_manager())
507 shelf_->shelf_layout_manager()->PrepareForShutdown();
508 }
509
510 // Close background widget first as it depends on tooltip.
511 wallpaper_controller_.reset();
512 animating_wallpaper_controller_.reset();
513
514 workspace_controller_.reset();
515 aura::client::SetTooltipClient(root_window, NULL);
516
517 // Explicitly destroy top level windows. We do this as during part of
518 // destruction such windows may query the RootWindow for state.
519 std::queue<aura::Window*> non_toplevel_windows;
520 non_toplevel_windows.push(root_window);
521 while (!non_toplevel_windows.empty()) {
522 aura::Window* non_toplevel_window = non_toplevel_windows.front();
523 non_toplevel_windows.pop();
524 aura::WindowTracker toplevel_windows;
525 for (size_t i = 0; i < non_toplevel_window->children().size(); ++i) {
526 aura::Window* child = non_toplevel_window->children()[i];
527 if (!child->owned_by_parent())
528 continue;
529 if (child->delegate())
530 toplevel_windows.Add(child);
531 else
532 non_toplevel_windows.push(child);
533 }
534 while (!toplevel_windows.windows().empty())
535 delete *toplevel_windows.windows().begin();
536 }
537 // And then remove the containers.
538 while (!root_window->children().empty()) {
539 aura::Window* window = root_window->children()[0];
540 if (window->owned_by_parent()) {
541 delete window;
542 } else {
543 root_window->RemoveChild(window);
544 }
545 }
546
547 shelf_.reset();
548 }
549
MoveWindowsTo(aura::Window * dst)550 void RootWindowController::MoveWindowsTo(aura::Window* dst) {
551 // Forget the shelf early so that shelf don't update itself using wrong
552 // display info.
553 workspace_controller_->SetShelf(NULL);
554 ReparentAllWindows(GetRootWindow(), dst);
555 }
556
GetShelfLayoutManager()557 ShelfLayoutManager* RootWindowController::GetShelfLayoutManager() {
558 return shelf_->shelf_layout_manager();
559 }
560
GetSystemTray()561 SystemTray* RootWindowController::GetSystemTray() {
562 // We assume in throughout the code that this will not return NULL. If code
563 // triggers this for valid reasons, it should test status_area_widget first.
564 CHECK(shelf_->status_area_widget());
565 return shelf_->status_area_widget()->system_tray();
566 }
567
ShowContextMenu(const gfx::Point & location_in_screen,ui::MenuSourceType source_type)568 void RootWindowController::ShowContextMenu(const gfx::Point& location_in_screen,
569 ui::MenuSourceType source_type) {
570 DCHECK(Shell::GetInstance()->delegate());
571 scoped_ptr<ui::MenuModel> menu_model(
572 Shell::GetInstance()->delegate()->CreateContextMenu(
573 GetRootWindow(), NULL, NULL));
574 if (!menu_model)
575 return;
576
577 // Background controller may not be set yet if user clicked on status are
578 // before initial animation completion. See crbug.com/222218
579 if (!wallpaper_controller_.get())
580 return;
581
582 views::MenuRunner menu_runner(menu_model.get(),
583 views::MenuRunner::CONTEXT_MENU);
584 if (menu_runner.RunMenuAt(wallpaper_controller_->widget(),
585 NULL,
586 gfx::Rect(location_in_screen, gfx::Size()),
587 views::MENU_ANCHOR_TOPLEFT,
588 source_type) == views::MenuRunner::MENU_DELETED) {
589 return;
590 }
591
592 Shell::GetInstance()->UpdateShelfVisibility();
593 }
594
UpdateShelfVisibility()595 void RootWindowController::UpdateShelfVisibility() {
596 shelf_->shelf_layout_manager()->UpdateVisibilityState();
597 }
598
GetWindowForFullscreenMode() const599 const aura::Window* RootWindowController::GetWindowForFullscreenMode() const {
600 const aura::Window* topmost_window = NULL;
601 const aura::Window* active_window = wm::GetActiveWindow();
602 if (active_window && active_window->GetRootWindow() == GetRootWindow() &&
603 IsSwitchableContainer(active_window->parent())) {
604 // Use the active window when it is on the current root window to determine
605 // the fullscreen state to allow temporarily using a panel or docked window
606 // (which are always above the default container) while a fullscreen
607 // window is open. We only use the active window when in a switchable
608 // container as the launcher should not exit fullscreen mode.
609 topmost_window = active_window;
610 } else {
611 // Otherwise, use the topmost window on the root window's default container
612 // when there is no active window on this root window.
613 const aura::Window::Windows& windows =
614 GetContainer(kShellWindowId_DefaultContainer)->children();
615 for (aura::Window::Windows::const_reverse_iterator iter = windows.rbegin();
616 iter != windows.rend(); ++iter) {
617 if (((*iter)->type() == ui::wm::WINDOW_TYPE_NORMAL ||
618 (*iter)->type() == ui::wm::WINDOW_TYPE_PANEL) &&
619 (*iter)->layer()->GetTargetVisibility()) {
620 topmost_window = *iter;
621 break;
622 }
623 }
624 }
625 while (topmost_window) {
626 if (wm::GetWindowState(topmost_window)->IsFullscreen())
627 return topmost_window;
628 topmost_window = ::wm::GetTransientParent(topmost_window);
629 }
630 return NULL;
631 }
632
ActivateKeyboard(keyboard::KeyboardController * keyboard_controller)633 void RootWindowController::ActivateKeyboard(
634 keyboard::KeyboardController* keyboard_controller) {
635 if (!keyboard::IsKeyboardEnabled() ||
636 GetContainer(kShellWindowId_VirtualKeyboardContainer)) {
637 return;
638 }
639 DCHECK(keyboard_controller);
640 keyboard_controller->AddObserver(shelf()->shelf_layout_manager());
641 keyboard_controller->AddObserver(panel_layout_manager_);
642 keyboard_controller->AddObserver(docked_layout_manager_);
643 keyboard_controller->AddObserver(workspace_controller_->layout_manager());
644 Shell::GetInstance()->delegate()->VirtualKeyboardActivated(true);
645 aura::Window* parent = GetContainer(
646 kShellWindowId_VirtualKeyboardParentContainer);
647 DCHECK(parent);
648 aura::Window* keyboard_container =
649 keyboard_controller->GetContainerWindow();
650 keyboard_container->set_id(kShellWindowId_VirtualKeyboardContainer);
651 parent->AddChild(keyboard_container);
652 // TODO(oshima): Bounds of keyboard container should be handled by
653 // RootWindowLayoutManager. Remove this after fixed RootWindowLayoutManager.
654 keyboard_container->SetBounds(parent->bounds());
655 }
656
DeactivateKeyboard(keyboard::KeyboardController * keyboard_controller)657 void RootWindowController::DeactivateKeyboard(
658 keyboard::KeyboardController* keyboard_controller) {
659 if (!keyboard_controller ||
660 !keyboard_controller->keyboard_container_initialized()) {
661 return;
662 }
663 aura::Window* keyboard_container =
664 keyboard_controller->GetContainerWindow();
665 if (keyboard_container->GetRootWindow() == GetRootWindow()) {
666 aura::Window* parent = GetContainer(
667 kShellWindowId_VirtualKeyboardParentContainer);
668 DCHECK(parent);
669 parent->RemoveChild(keyboard_container);
670 // Virtual keyboard may be deactivated while still showing, notify all
671 // observers that keyboard bounds changed to 0 before remove them.
672 keyboard_controller->NotifyKeyboardBoundsChanging(gfx::Rect());
673 keyboard_controller->RemoveObserver(shelf()->shelf_layout_manager());
674 keyboard_controller->RemoveObserver(panel_layout_manager_);
675 keyboard_controller->RemoveObserver(docked_layout_manager_);
676 keyboard_controller->RemoveObserver(
677 workspace_controller_->layout_manager());
678 Shell::GetInstance()->delegate()->VirtualKeyboardActivated(false);
679 }
680 }
681
IsVirtualKeyboardWindow(aura::Window * window)682 bool RootWindowController::IsVirtualKeyboardWindow(aura::Window* window) {
683 aura::Window* parent = GetContainer(
684 kShellWindowId_VirtualKeyboardParentContainer);
685 return parent ? parent->Contains(window) : false;
686 }
687
688 ////////////////////////////////////////////////////////////////////////////////
689 // RootWindowController, private:
690
RootWindowController(AshWindowTreeHost * ash_host)691 RootWindowController::RootWindowController(AshWindowTreeHost* ash_host)
692 : ash_host_(ash_host),
693 root_window_layout_(NULL),
694 docked_layout_manager_(NULL),
695 panel_layout_manager_(NULL),
696 touch_hud_debug_(NULL),
697 touch_hud_projection_(NULL) {
698 aura::Window* root_window = GetRootWindow();
699 GetRootWindowSettings(root_window)->controller = this;
700 screen_dimmer_.reset(new ScreenDimmer(root_window));
701
702 stacking_controller_.reset(new StackingController);
703 aura::client::SetWindowTreeClient(root_window, stacking_controller_.get());
704 capture_client_.reset(new ::wm::ScopedCaptureClient(root_window));
705 }
706
Init(RootWindowType root_window_type,bool first_run_after_boot)707 void RootWindowController::Init(RootWindowType root_window_type,
708 bool first_run_after_boot) {
709 aura::Window* root_window = GetRootWindow();
710 Shell* shell = Shell::GetInstance();
711 shell->InitRootWindow(root_window);
712
713 ash_host_->AsWindowTreeHost()->SetCursor(ui::kCursorPointer);
714 CreateContainersInRootWindow(root_window);
715
716 CreateSystemBackground(first_run_after_boot);
717
718 InitLayoutManagers();
719 InitTouchHuds();
720
721 if (Shell::GetPrimaryRootWindowController()->
722 GetSystemModalLayoutManager(NULL)->has_modal_background()) {
723 GetSystemModalLayoutManager(NULL)->CreateModalBackground();
724 }
725
726 shell->AddShellObserver(this);
727
728 if (root_window_type == PRIMARY) {
729 root_window_layout()->OnWindowResized();
730 shell->InitKeyboard();
731 } else {
732 root_window_layout()->OnWindowResized();
733 ash_host_->AsWindowTreeHost()->Show();
734
735 // Create a shelf if a user is already logged in.
736 if (shell->session_state_delegate()->NumberOfLoggedInUsers())
737 shelf()->CreateShelf();
738
739 // Notify shell observers about new root window.
740 shell->OnRootWindowAdded(root_window);
741 }
742
743 #if defined(OS_CHROMEOS)
744 if (!CommandLine::ForCurrentProcess()->HasSwitch(
745 switches::kAshDisableTouchExplorationMode)) {
746 touch_exploration_manager_.reset(new AshTouchExplorationManager(this));
747 }
748 #endif
749 }
750
InitLayoutManagers()751 void RootWindowController::InitLayoutManagers() {
752 aura::Window* root_window = GetRootWindow();
753 root_window_layout_ = new RootWindowLayoutManager(root_window);
754 root_window->SetLayoutManager(root_window_layout_);
755
756 aura::Window* default_container =
757 GetContainer(kShellWindowId_DefaultContainer);
758 // Workspace manager has its own layout managers.
759 workspace_controller_.reset(
760 new WorkspaceController(default_container));
761
762 aura::Window* always_on_top_container =
763 GetContainer(kShellWindowId_AlwaysOnTopContainer);
764 always_on_top_container->SetLayoutManager(
765 new WorkspaceLayoutManager(always_on_top_container));
766 always_on_top_controller_.reset(new AlwaysOnTopController);
767 always_on_top_controller_->SetAlwaysOnTopContainer(always_on_top_container);
768
769 DCHECK(!shelf_.get());
770 aura::Window* shelf_container = GetContainer(kShellWindowId_ShelfContainer);
771 // TODO(harrym): Remove when status area is view.
772 aura::Window* status_container = GetContainer(kShellWindowId_StatusContainer);
773 shelf_.reset(new ShelfWidget(
774 shelf_container, status_container, workspace_controller()));
775
776 if (!Shell::GetInstance()->session_state_delegate()->
777 IsActiveUserSessionStarted()) {
778 // This window exists only to be a event target on login screen.
779 // It does not have to handle events, nor be visible.
780 mouse_event_target_.reset(new aura::Window(new EmptyWindowDelegate));
781 mouse_event_target_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
782
783 aura::Window* lock_background_container =
784 GetContainer(kShellWindowId_LockScreenBackgroundContainer);
785 lock_background_container->AddChild(mouse_event_target_.get());
786 mouse_event_target_->Show();
787 }
788
789 // Create Docked windows layout manager
790 aura::Window* docked_container = GetContainer(kShellWindowId_DockedContainer);
791 docked_layout_manager_ =
792 new DockedWindowLayoutManager(docked_container, workspace_controller());
793 docked_container->SetLayoutManager(docked_layout_manager_);
794
795 // Installs SnapLayoutManager to containers who set the
796 // |kSnapsChildrenToPhysicalPixelBoundary| property.
797 wm::InstallSnapLayoutManagerToContainers(root_window);
798
799 // Create Panel layout manager
800 aura::Window* panel_container = GetContainer(kShellWindowId_PanelContainer);
801 panel_layout_manager_ = new PanelLayoutManager(panel_container);
802 panel_container->SetLayoutManager(panel_layout_manager_);
803 panel_container_handler_.reset(new PanelWindowEventHandler);
804 panel_container->AddPreTargetHandler(panel_container_handler_.get());
805
806 // Install an AttachedPanelWindowTargeter on the panel container to make it
807 // easier to correctly target shelf buttons with touch.
808 gfx::Insets mouse_extend(-kResizeOutsideBoundsSize,
809 -kResizeOutsideBoundsSize,
810 -kResizeOutsideBoundsSize,
811 -kResizeOutsideBoundsSize);
812 gfx::Insets touch_extend = mouse_extend.Scale(
813 kResizeOutsideBoundsScaleForTouch);
814 panel_container->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
815 new AttachedPanelWindowTargeter(panel_container,
816 mouse_extend,
817 touch_extend,
818 panel_layout_manager_)));
819 }
820
InitTouchHuds()821 void RootWindowController::InitTouchHuds() {
822 CommandLine* command_line = CommandLine::ForCurrentProcess();
823 if (command_line->HasSwitch(switches::kAshTouchHud))
824 set_touch_hud_debug(new TouchHudDebug(GetRootWindow()));
825 if (Shell::GetInstance()->is_touch_hud_projection_enabled())
826 EnableTouchHudProjection();
827 }
828
CreateSystemBackground(bool is_first_run_after_boot)829 void RootWindowController::CreateSystemBackground(
830 bool is_first_run_after_boot) {
831 SkColor color = SK_ColorBLACK;
832 #if defined(OS_CHROMEOS)
833 if (is_first_run_after_boot)
834 color = kChromeOsBootColor;
835 #endif
836 system_background_.reset(
837 new SystemBackgroundController(GetRootWindow(), color));
838
839 #if defined(OS_CHROMEOS)
840 // Make a copy of the system's boot splash screen so we can composite it
841 // onscreen until the desktop background is ready.
842 if (is_first_run_after_boot &&
843 (CommandLine::ForCurrentProcess()->HasSwitch(
844 switches::kAshCopyHostBackgroundAtBoot) ||
845 CommandLine::ForCurrentProcess()->HasSwitch(
846 switches::kAshAnimateFromBootSplashScreen)))
847 boot_splash_screen_.reset(new BootSplashScreen(GetHost()));
848 #endif
849 }
850
CreateContainersInRootWindow(aura::Window * root_window)851 void RootWindowController::CreateContainersInRootWindow(
852 aura::Window* root_window) {
853 // These containers are just used by PowerButtonController to animate groups
854 // of containers simultaneously without messing up the current transformations
855 // on those containers. These are direct children of the root window; all of
856 // the other containers are their children.
857
858 // The desktop background container is not part of the lock animation, so it
859 // is not included in those animate groups.
860 // When screen is locked desktop background is moved to lock screen background
861 // container (moved back on unlock). We want to make sure that there's an
862 // opaque layer occluding the non-lock-screen layers.
863 aura::Window* desktop_background_container = CreateContainer(
864 kShellWindowId_DesktopBackgroundContainer,
865 "DesktopBackgroundContainer",
866 root_window);
867 ::wm::SetChildWindowVisibilityChangesAnimated(desktop_background_container);
868
869 aura::Window* non_lock_screen_containers = CreateContainer(
870 kShellWindowId_NonLockScreenContainersContainer,
871 "NonLockScreenContainersContainer",
872 root_window);
873
874 aura::Window* lock_background_containers = CreateContainer(
875 kShellWindowId_LockScreenBackgroundContainer,
876 "LockScreenBackgroundContainer",
877 root_window);
878 ::wm::SetChildWindowVisibilityChangesAnimated(lock_background_containers);
879
880 aura::Window* lock_screen_containers = CreateContainer(
881 kShellWindowId_LockScreenContainersContainer,
882 "LockScreenContainersContainer",
883 root_window);
884 aura::Window* lock_screen_related_containers = CreateContainer(
885 kShellWindowId_LockScreenRelatedContainersContainer,
886 "LockScreenRelatedContainersContainer",
887 root_window);
888
889 CreateContainer(kShellWindowId_UnparentedControlContainer,
890 "UnparentedControlContainer",
891 non_lock_screen_containers);
892
893 aura::Window* default_container = CreateContainer(
894 kShellWindowId_DefaultContainer,
895 "DefaultContainer",
896 non_lock_screen_containers);
897 ::wm::SetChildWindowVisibilityChangesAnimated(default_container);
898 wm::SetSnapsChildrenToPhysicalPixelBoundary(default_container);
899 SetUsesScreenCoordinates(default_container);
900 SetUsesEasyResizeTargeter(default_container);
901
902 aura::Window* always_on_top_container = CreateContainer(
903 kShellWindowId_AlwaysOnTopContainer,
904 "AlwaysOnTopContainer",
905 non_lock_screen_containers);
906 ::wm::SetChildWindowVisibilityChangesAnimated(always_on_top_container);
907 wm::SetSnapsChildrenToPhysicalPixelBoundary(always_on_top_container);
908 SetUsesScreenCoordinates(always_on_top_container);
909
910 aura::Window* docked_container = CreateContainer(
911 kShellWindowId_DockedContainer,
912 "DockedContainer",
913 non_lock_screen_containers);
914 ::wm::SetChildWindowVisibilityChangesAnimated(docked_container);
915 wm::SetSnapsChildrenToPhysicalPixelBoundary(docked_container);
916 SetUsesScreenCoordinates(docked_container);
917 SetUsesEasyResizeTargeter(docked_container);
918
919 aura::Window* shelf_container =
920 CreateContainer(kShellWindowId_ShelfContainer,
921 "ShelfContainer",
922 non_lock_screen_containers);
923 wm::SetSnapsChildrenToPhysicalPixelBoundary(shelf_container);
924 SetUsesScreenCoordinates(shelf_container);
925 DescendantShouldStayInSameRootWindow(shelf_container);
926
927 aura::Window* panel_container = CreateContainer(
928 kShellWindowId_PanelContainer,
929 "PanelContainer",
930 non_lock_screen_containers);
931 wm::SetSnapsChildrenToPhysicalPixelBoundary(panel_container);
932 SetUsesScreenCoordinates(panel_container);
933
934 aura::Window* shelf_bubble_container =
935 CreateContainer(kShellWindowId_ShelfBubbleContainer,
936 "ShelfBubbleContainer",
937 non_lock_screen_containers);
938 wm::SetSnapsChildrenToPhysicalPixelBoundary(shelf_bubble_container);
939 SetUsesScreenCoordinates(shelf_bubble_container);
940 DescendantShouldStayInSameRootWindow(shelf_bubble_container);
941
942 aura::Window* app_list_container =
943 CreateContainer(kShellWindowId_AppListContainer,
944 "AppListContainer",
945 non_lock_screen_containers);
946 wm::SetSnapsChildrenToPhysicalPixelBoundary(app_list_container);
947 SetUsesScreenCoordinates(app_list_container);
948
949 aura::Window* modal_container = CreateContainer(
950 kShellWindowId_SystemModalContainer,
951 "SystemModalContainer",
952 non_lock_screen_containers);
953 wm::SetSnapsChildrenToPhysicalPixelBoundary(modal_container);
954 modal_container->SetLayoutManager(
955 new SystemModalContainerLayoutManager(modal_container));
956 ::wm::SetChildWindowVisibilityChangesAnimated(modal_container);
957 SetUsesScreenCoordinates(modal_container);
958 SetUsesEasyResizeTargeter(modal_container);
959
960 // TODO(beng): Figure out if we can make this use
961 // SystemModalContainerEventFilter instead of stops_event_propagation.
962 aura::Window* lock_container = CreateContainer(
963 kShellWindowId_LockScreenContainer,
964 "LockScreenContainer",
965 lock_screen_containers);
966 wm::SetSnapsChildrenToPhysicalPixelBoundary(lock_container);
967 if (CommandLine::ForCurrentProcess()->HasSwitch(
968 switches::kAshDisableLockLayoutManager)) {
969 lock_container->SetLayoutManager(
970 new WorkspaceLayoutManager(lock_container));
971 } else {
972 lock_container->SetLayoutManager(new LockLayoutManager(lock_container));
973 }
974 SetUsesScreenCoordinates(lock_container);
975 // TODO(beng): stopsevents
976
977 aura::Window* lock_modal_container = CreateContainer(
978 kShellWindowId_LockSystemModalContainer,
979 "LockSystemModalContainer",
980 lock_screen_containers);
981 wm::SetSnapsChildrenToPhysicalPixelBoundary(lock_modal_container);
982 lock_modal_container->SetLayoutManager(
983 new SystemModalContainerLayoutManager(lock_modal_container));
984 ::wm::SetChildWindowVisibilityChangesAnimated(lock_modal_container);
985 SetUsesScreenCoordinates(lock_modal_container);
986 SetUsesEasyResizeTargeter(lock_modal_container);
987
988 aura::Window* status_container =
989 CreateContainer(kShellWindowId_StatusContainer,
990 "StatusContainer",
991 lock_screen_related_containers);
992 wm::SetSnapsChildrenToPhysicalPixelBoundary(status_container);
993 SetUsesScreenCoordinates(status_container);
994 DescendantShouldStayInSameRootWindow(status_container);
995
996 aura::Window* settings_bubble_container = CreateContainer(
997 kShellWindowId_SettingBubbleContainer,
998 "SettingBubbleContainer",
999 lock_screen_related_containers);
1000 ::wm::SetChildWindowVisibilityChangesAnimated(settings_bubble_container);
1001 wm::SetSnapsChildrenToPhysicalPixelBoundary(settings_bubble_container);
1002 SetUsesScreenCoordinates(settings_bubble_container);
1003 DescendantShouldStayInSameRootWindow(settings_bubble_container);
1004
1005 aura::Window* virtual_keyboard_parent_container =
1006 CreateContainer(kShellWindowId_VirtualKeyboardParentContainer,
1007 "VirtualKeyboardParentContainer",
1008 lock_screen_related_containers);
1009 wm::SetSnapsChildrenToPhysicalPixelBoundary(
1010 virtual_keyboard_parent_container);
1011 virtual_keyboard_parent_container->SetLayoutManager(
1012 new VirtualKeyboardContainerLayoutManager(
1013 virtual_keyboard_parent_container));
1014 SetUsesScreenCoordinates(virtual_keyboard_parent_container);
1015
1016 aura::Window* menu_container = CreateContainer(
1017 kShellWindowId_MenuContainer,
1018 "MenuContainer",
1019 lock_screen_related_containers);
1020 ::wm::SetChildWindowVisibilityChangesAnimated(menu_container);
1021 wm::SetSnapsChildrenToPhysicalPixelBoundary(menu_container);
1022 SetUsesScreenCoordinates(menu_container);
1023
1024 aura::Window* drag_drop_container = CreateContainer(
1025 kShellWindowId_DragImageAndTooltipContainer,
1026 "DragImageAndTooltipContainer",
1027 lock_screen_related_containers);
1028 ::wm::SetChildWindowVisibilityChangesAnimated(drag_drop_container);
1029 wm::SetSnapsChildrenToPhysicalPixelBoundary(drag_drop_container);
1030 SetUsesScreenCoordinates(drag_drop_container);
1031
1032 aura::Window* overlay_container = CreateContainer(
1033 kShellWindowId_OverlayContainer,
1034 "OverlayContainer",
1035 lock_screen_related_containers);
1036 wm::SetSnapsChildrenToPhysicalPixelBoundary(overlay_container);
1037 SetUsesScreenCoordinates(overlay_container);
1038
1039 #if defined(OS_CHROMEOS)
1040 aura::Window* mouse_cursor_container = CreateContainer(
1041 kShellWindowId_MouseCursorContainer,
1042 "MouseCursorContainer",
1043 root_window);
1044 SetUsesScreenCoordinates(mouse_cursor_container);
1045 #endif
1046
1047 CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
1048 "PowerButtonAnimationContainer", root_window);
1049 }
1050
EnableTouchHudProjection()1051 void RootWindowController::EnableTouchHudProjection() {
1052 if (touch_hud_projection_)
1053 return;
1054 set_touch_hud_projection(new TouchHudProjection(GetRootWindow()));
1055 }
1056
DisableTouchHudProjection()1057 void RootWindowController::DisableTouchHudProjection() {
1058 if (!touch_hud_projection_)
1059 return;
1060 touch_hud_projection_->Remove();
1061 }
1062
OnLoginStateChanged(user::LoginStatus status)1063 void RootWindowController::OnLoginStateChanged(user::LoginStatus status) {
1064 shelf_->shelf_layout_manager()->UpdateVisibilityState();
1065 }
1066
OnTouchHudProjectionToggled(bool enabled)1067 void RootWindowController::OnTouchHudProjectionToggled(bool enabled) {
1068 if (enabled)
1069 EnableTouchHudProjection();
1070 else
1071 DisableTouchHudProjection();
1072 }
1073
GetRootWindowController(const aura::Window * root_window)1074 RootWindowController* GetRootWindowController(
1075 const aura::Window* root_window) {
1076 return root_window ? GetRootWindowSettings(root_window)->controller : NULL;
1077 }
1078
1079 } // namespace ash
1080