blob: 3bb279bc99378032aa3df200a482d5835921921c [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/root_window_controller.h"
#include <queue>
#include <vector>
#include "ash/ash_constants.h"
#include "ash/ash_switches.h"
#include "ash/desktop_background/desktop_background_controller.h"
#include "ash/desktop_background/desktop_background_widget_controller.h"
#include "ash/desktop_background/user_wallpaper_delegate.h"
#include "ash/display/display_manager.h"
#include "ash/focus_cycler.h"
#include "ash/high_contrast/high_contrast_controller.h"
#include "ash/host/ash_window_tree_host.h"
#include "ash/root_window_settings.h"
#include "ash/session/session_state_delegate.h"
#include "ash/shelf/shelf_layout_manager.h"
#include "ash/shelf/shelf_types.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/shell_delegate.h"
#include "ash/shell_factory.h"
#include "ash/shell_window_ids.h"
#include "ash/switchable_windows.h"
#include "ash/system/status_area_widget.h"
#include "ash/system/tray/system_tray_delegate.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/touch/touch_hud_debug.h"
#include "ash/touch/touch_hud_projection.h"
#include "ash/touch/touch_observer_hud.h"
#include "ash/wm/always_on_top_controller.h"
#include "ash/wm/dock/docked_window_layout_manager.h"
#include "ash/wm/lock_layout_manager.h"
#include "ash/wm/panels/attached_panel_window_targeter.h"
#include "ash/wm/panels/panel_layout_manager.h"
#include "ash/wm/panels/panel_window_event_handler.h"
#include "ash/wm/root_window_layout_manager.h"
#include "ash/wm/screen_dimmer.h"
#include "ash/wm/stacking_controller.h"
#include "ash/wm/status_area_layout_manager.h"
#include "ash/wm/system_background_controller.h"
#include "ash/wm/system_modal_container_layout_manager.h"
#include "ash/wm/window_properties.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "ash/wm/workspace/workspace_layout_manager.h"
#include "ash/wm/workspace_controller.h"
#include "base/command_line.h"
#include "base/time/time.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/window.h"
#include "ui/aura/window_delegate.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/aura/window_observer.h"
#include "ui/aura/window_tracker.h"
#include "ui/base/hit_test.h"
#include "ui/base/models/menu_model.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
#include "ui/keyboard/keyboard_controller.h"
#include "ui/keyboard/keyboard_util.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/view_model.h"
#include "ui/views/view_model_utils.h"
#include "ui/wm/core/capture_controller.h"
#include "ui/wm/core/easy_resize_window_targeter.h"
#include "ui/wm/core/visibility_controller.h"
#include "ui/wm/core/window_util.h"
#include "ui/wm/public/drag_drop_client.h"
#include "ui/wm/public/tooltip_client.h"
#include "ui/wm/public/window_types.h"
#if defined(OS_CHROMEOS)
#include "ash/ash_touch_exploration_manager_chromeos.h"
#include "ash/wm/boot_splash_screen_chromeos.h"
#include "ui/chromeos/touch_exploration_controller.h"
#endif
namespace ash {
namespace {
#if defined(OS_CHROMEOS)
// Duration for the animation that hides the boot splash screen, in
// milliseconds. This should be short enough in relation to
// wm/window_animation.cc's brightness/grayscale fade animation that the login
// background image animation isn't hidden by the splash screen animation.
const int kBootSplashScreenHideDurationMs = 500;
#endif
// Creates a new window for use as a container.
aura::Window* CreateContainer(int window_id,
const char* name,
aura::Window* parent) {
aura::Window* container = new aura::Window(NULL);
container->set_id(window_id);
container->SetName(name);
container->Init(ui::LAYER_NOT_DRAWN);
parent->AddChild(container);
if (window_id != kShellWindowId_UnparentedControlContainer)
container->Show();
return container;
}
float ToRelativeValue(int value, int src, int dst) {
return static_cast<float>(value) / static_cast<float>(src) * dst;
}
void MoveOriginRelativeToSize(const gfx::Size& src_size,
const gfx::Size& dst_size,
gfx::Rect* bounds_in_out) {
gfx::Point origin = bounds_in_out->origin();
bounds_in_out->set_origin(gfx::Point(
ToRelativeValue(origin.x(), src_size.width(), dst_size.width()),
ToRelativeValue(origin.y(), src_size.height(), dst_size.height())));
}
// Reparents |window| to |new_parent|.
void ReparentWindow(aura::Window* window, aura::Window* new_parent) {
const gfx::Size src_size = window->parent()->bounds().size();
const gfx::Size dst_size = new_parent->bounds().size();
// Update the restore bounds to make it relative to the display.
wm::WindowState* state = wm::GetWindowState(window);
gfx::Rect restore_bounds;
bool has_restore_bounds = state->HasRestoreBounds();
bool update_bounds = (state->IsNormalOrSnapped() || state->IsMinimized()) &&
new_parent->id() != kShellWindowId_DockedContainer;
gfx::Rect local_bounds;
if (update_bounds) {
local_bounds = state->window()->bounds();
MoveOriginRelativeToSize(src_size, dst_size, &local_bounds);
}
if (has_restore_bounds) {
restore_bounds = state->GetRestoreBoundsInParent();
MoveOriginRelativeToSize(src_size, dst_size, &restore_bounds);
}
new_parent->AddChild(window);
// Docked windows have bounds handled by the layout manager in AddChild().
if (update_bounds)
window->SetBounds(local_bounds);
if (has_restore_bounds)
state->SetRestoreBoundsInParent(restore_bounds);
}
// Reparents the appropriate set of windows from |src| to |dst|.
void ReparentAllWindows(aura::Window* src, aura::Window* dst) {
// Set of windows to move.
const int kContainerIdsToMove[] = {
kShellWindowId_DefaultContainer,
kShellWindowId_DockedContainer,
kShellWindowId_PanelContainer,
kShellWindowId_AlwaysOnTopContainer,
kShellWindowId_SystemModalContainer,
kShellWindowId_LockSystemModalContainer,
kShellWindowId_UnparentedControlContainer,
kShellWindowId_OverlayContainer, };
for (size_t i = 0; i < arraysize(kContainerIdsToMove); i++) {
int id = kContainerIdsToMove[i];
aura::Window* src_container = Shell::GetContainer(src, id);
aura::Window* dst_container = Shell::GetContainer(dst, id);
while (!src_container->children().empty()) {
// Restart iteration from the source container windows each time as they
// may change as a result of moving other windows.
aura::Window::Windows::const_iterator iter =
src_container->children().begin();
while (iter != src_container->children().end() &&
SystemModalContainerLayoutManager::IsModalBackground(*iter)) {
++iter;
}
// If the entire window list is modal background windows then stop.
if (iter == src_container->children().end())
break;
ReparentWindow(*iter, dst_container);
}
}
}
// Mark the container window so that a widget added to this container will
// use the virtual screeen coordinates instead of parent.
void SetUsesScreenCoordinates(aura::Window* container) {
container->SetProperty(kUsesScreenCoordinatesKey, true);
}
// Mark the container window so that a widget added to this container will
// say in the same root window regardless of the bounds specified.
void DescendantShouldStayInSameRootWindow(aura::Window* container) {
container->SetProperty(kStayInSameRootWindowKey, true);
}
void SetUsesEasyResizeTargeter(aura::Window* container) {
gfx::Insets mouse_extend(-kResizeOutsideBoundsSize,
-kResizeOutsideBoundsSize,
-kResizeOutsideBoundsSize,
-kResizeOutsideBoundsSize);
gfx::Insets touch_extend = mouse_extend.Scale(
kResizeOutsideBoundsScaleForTouch);
container->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
new ::wm::EasyResizeWindowTargeter(container, mouse_extend,
touch_extend)));
}
// A window delegate which does nothing. Used to create a window that
// is a event target, but do nothing.
class EmptyWindowDelegate : public aura::WindowDelegate {
public:
EmptyWindowDelegate() {}
~EmptyWindowDelegate() override {}
// aura::WindowDelegate overrides:
gfx::Size GetMinimumSize() const override { return gfx::Size(); }
gfx::Size GetMaximumSize() const override { return gfx::Size(); }
void OnBoundsChanged(const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) override {}
ui::TextInputClient* GetFocusedTextInputClient() override { return nullptr; }
gfx::NativeCursor GetCursor(const gfx::Point& point) override {
return gfx::kNullCursor;
}
int GetNonClientComponent(const gfx::Point& point) const override {
return HTNOWHERE;
}
bool ShouldDescendIntoChildForEventHandling(
aura::Window* child,
const gfx::Point& location) override {
return false;
}
bool CanFocus() override { return false; }
void OnCaptureLost() override {}
void OnPaint(const ui::PaintContext& context) override {}
void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
void OnWindowDestroying(aura::Window* window) override {}
void OnWindowDestroyed(aura::Window* window) override { delete this; }
void OnWindowTargetVisibilityChanged(bool visible) override {}
bool HasHitTestMask() const override { return false; }
void GetHitTestMask(gfx::Path* mask) const override {}
private:
DISALLOW_COPY_AND_ASSIGN(EmptyWindowDelegate);
};
} // namespace
void RootWindowController::CreateForPrimaryDisplay(AshWindowTreeHost* host) {
RootWindowController* controller = new RootWindowController(host);
controller->Init(RootWindowController::PRIMARY,
Shell::GetInstance()->delegate()->IsFirstRunAfterBoot());
}
void RootWindowController::CreateForSecondaryDisplay(AshWindowTreeHost* host) {
RootWindowController* controller = new RootWindowController(host);
controller->Init(RootWindowController::SECONDARY, false /* first run */);
}
// static
RootWindowController* RootWindowController::ForShelf(
const aura::Window* window) {
CHECK(Shell::HasInstance());
return GetRootWindowController(window->GetRootWindow());
}
// static
RootWindowController* RootWindowController::ForWindow(
const aura::Window* window) {
CHECK(Shell::HasInstance());
return GetRootWindowController(window->GetRootWindow());
}
// static
RootWindowController* RootWindowController::ForTargetRootWindow() {
CHECK(Shell::HasInstance());
return GetRootWindowController(Shell::GetTargetRootWindow());
}
// static
aura::Window* RootWindowController::GetContainerForWindow(
aura::Window* window) {
aura::Window* container = window->parent();
while (container && container->type() != ui::wm::WINDOW_TYPE_UNKNOWN)
container = container->parent();
return container;
}
RootWindowController::~RootWindowController() {
Shutdown();
ash_host_.reset();
// The CaptureClient needs to be around for as long as the RootWindow is
// valid.
capture_client_.reset();
}
aura::WindowTreeHost* RootWindowController::GetHost() {
return ash_host_->AsWindowTreeHost();
}
const aura::WindowTreeHost* RootWindowController::GetHost() const {
return ash_host_->AsWindowTreeHost();
}
aura::Window* RootWindowController::GetRootWindow() {
return GetHost()->window();
}
const aura::Window* RootWindowController::GetRootWindow() const {
return GetHost()->window();
}
void RootWindowController::SetWallpaperController(
DesktopBackgroundWidgetController* controller) {
wallpaper_controller_.reset(controller);
}
void RootWindowController::SetAnimatingWallpaperController(
AnimatingDesktopController* controller) {
if (animating_wallpaper_controller_.get())
animating_wallpaper_controller_->StopAnimating();
animating_wallpaper_controller_.reset(controller);
}
void RootWindowController::Shutdown() {
Shell* shell = Shell::GetInstance();
shell->RemoveShellObserver(this);
#if defined(OS_CHROMEOS)
if (touch_exploration_manager_) {
touch_exploration_manager_.reset();
}
#endif
if (animating_wallpaper_controller_.get())
animating_wallpaper_controller_->StopAnimating();
wallpaper_controller_.reset();
animating_wallpaper_controller_.reset();
aura::Window* root_window = GetRootWindow();
// Change the target root window before closing child windows. If any child
// being removed triggers a relayout of the shelf it will try to build a
// window list adding windows from the target root window's containers which
// may have already gone away.
if (Shell::GetTargetRootWindow() == root_window) {
shell->set_target_root_window(
Shell::GetPrimaryRootWindow() == root_window
? NULL
: Shell::GetPrimaryRootWindow());
}
CloseChildWindows();
GetRootWindowSettings(root_window)->controller = NULL;
screen_dimmer_.reset();
workspace_controller_.reset();
// Forget with the display ID so that display lookup
// ends up with invalid display.
GetRootWindowSettings(root_window)->display_id =
gfx::Display::kInvalidDisplayID;
ash_host_->PrepareForShutdown();
system_background_.reset();
aura::client::SetScreenPositionClient(root_window, NULL);
}
SystemModalContainerLayoutManager*
RootWindowController::GetSystemModalLayoutManager(aura::Window* window) {
aura::Window* modal_container = NULL;
if (window) {
aura::Window* window_container = GetContainerForWindow(window);
if (window_container &&
window_container->id() >= kShellWindowId_LockScreenContainer) {
modal_container = GetContainer(kShellWindowId_LockSystemModalContainer);
} else {
modal_container = GetContainer(kShellWindowId_SystemModalContainer);
}
} else {
int modal_window_id = Shell::GetInstance()->session_state_delegate()
->IsUserSessionBlocked() ? kShellWindowId_LockSystemModalContainer :
kShellWindowId_SystemModalContainer;
modal_container = GetContainer(modal_window_id);
}
return modal_container ? static_cast<SystemModalContainerLayoutManager*>(
modal_container->layout_manager()) : NULL;
}
aura::Window* RootWindowController::GetContainer(int container_id) {
return GetRootWindow()->GetChildById(container_id);
}
const aura::Window* RootWindowController::GetContainer(int container_id) const {
return ash_host_->AsWindowTreeHost()->window()->GetChildById(container_id);
}
void RootWindowController::ShowShelf() {
if (!shelf_->shelf())
return;
shelf_->shelf()->SetVisible(true);
shelf_->status_area_widget()->Show();
}
void RootWindowController::OnShelfCreated() {
if (panel_layout_manager_)
panel_layout_manager_->SetShelf(shelf_->shelf());
if (docked_layout_manager_) {
docked_layout_manager_->SetShelf(shelf_->shelf());
if (shelf_->shelf_layout_manager())
docked_layout_manager_->AddObserver(shelf_->shelf_layout_manager());
}
// Notify shell observers that the shelf has been created.
Shell::GetInstance()->OnShelfCreatedForRootWindow(GetRootWindow());
}
void RootWindowController::UpdateAfterLoginStatusChange(
user::LoginStatus status) {
if (status != user::LOGGED_IN_NONE)
mouse_event_target_.reset();
if (shelf_->status_area_widget())
shelf_->status_area_widget()->UpdateAfterLoginStatusChange(status);
}
void RootWindowController::HandleInitialDesktopBackgroundAnimationStarted() {
#if defined(OS_CHROMEOS)
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshAnimateFromBootSplashScreen) &&
boot_splash_screen_.get()) {
// Make the splash screen fade out so it doesn't obscure the desktop
// wallpaper's brightness/grayscale animation.
boot_splash_screen_->StartHideAnimation(
base::TimeDelta::FromMilliseconds(kBootSplashScreenHideDurationMs));
}
#endif
}
void RootWindowController::OnWallpaperAnimationFinished(views::Widget* widget) {
// Make sure the wallpaper is visible.
system_background_->SetColor(SK_ColorBLACK);
#if defined(OS_CHROMEOS)
boot_splash_screen_.reset();
#endif
Shell::GetInstance()->user_wallpaper_delegate()->
OnWallpaperAnimationFinished();
// Only removes old component when wallpaper animation finished. If we
// remove the old one before the new wallpaper is done fading in there will
// be a white flash during the animation.
if (animating_wallpaper_controller()) {
DesktopBackgroundWidgetController* controller =
animating_wallpaper_controller()->GetController(true);
// |desktop_widget_| should be the same animating widget we try to move
// to |kDesktopController|. Otherwise, we may close |desktop_widget_|
// before move it to |kDesktopController|.
DCHECK_EQ(controller->widget(), widget);
// Release the old controller and close its background widget.
SetWallpaperController(controller);
}
}
void RootWindowController::CloseChildWindows() {
mouse_event_target_.reset();
// Remove observer as deactivating keyboard causes |docked_layout_manager_|
// to fire notifications.
if (docked_layout_manager_ && shelf_ && shelf_->shelf_layout_manager())
docked_layout_manager_->RemoveObserver(shelf_->shelf_layout_manager());
// Deactivate keyboard container before closing child windows and shutting
// down associated layout managers.
DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
// panel_layout_manager_ needs to be shut down before windows are destroyed.
if (panel_layout_manager_) {
panel_layout_manager_->Shutdown();
panel_layout_manager_ = NULL;
}
// docked_layout_manager_ needs to be shut down before windows are destroyed.
if (docked_layout_manager_) {
docked_layout_manager_->Shutdown();
docked_layout_manager_ = NULL;
}
aura::Window* root_window = GetRootWindow();
aura::client::SetDragDropClient(root_window, NULL);
// TODO(harrym): Remove when Status Area Widget is a child view.
if (shelf_) {
shelf_->ShutdownStatusAreaWidget();
if (shelf_->shelf_layout_manager())
shelf_->shelf_layout_manager()->PrepareForShutdown();
}
// Close background widget first as it depends on tooltip.
wallpaper_controller_.reset();
animating_wallpaper_controller_.reset();
workspace_controller_.reset();
aura::client::SetTooltipClient(root_window, NULL);
// Explicitly destroy top level windows. We do this as during part of
// destruction such windows may query the RootWindow for state.
std::queue<aura::Window*> non_toplevel_windows;
non_toplevel_windows.push(root_window);
while (!non_toplevel_windows.empty()) {
aura::Window* non_toplevel_window = non_toplevel_windows.front();
non_toplevel_windows.pop();
aura::WindowTracker toplevel_windows;
for (size_t i = 0; i < non_toplevel_window->children().size(); ++i) {
aura::Window* child = non_toplevel_window->children()[i];
if (!child->owned_by_parent())
continue;
if (child->delegate())
toplevel_windows.Add(child);
else
non_toplevel_windows.push(child);
}
while (!toplevel_windows.windows().empty())
delete *toplevel_windows.windows().begin();
}
// And then remove the containers.
while (!root_window->children().empty()) {
aura::Window* window = root_window->children()[0];
if (window->owned_by_parent()) {
delete window;
} else {
root_window->RemoveChild(window);
}
}
shelf_.reset();
}
void RootWindowController::MoveWindowsTo(aura::Window* dst) {
// Forget the shelf early so that shelf don't update itself using wrong
// display info.
workspace_controller_->SetShelf(NULL);
ReparentAllWindows(GetRootWindow(), dst);
}
ShelfLayoutManager* RootWindowController::GetShelfLayoutManager() {
return shelf_->shelf_layout_manager();
}
SystemTray* RootWindowController::GetSystemTray() {
// We assume in throughout the code that this will not return NULL. If code
// triggers this for valid reasons, it should test status_area_widget first.
CHECK(shelf_->status_area_widget());
return shelf_->status_area_widget()->system_tray();
}
void RootWindowController::ShowContextMenu(const gfx::Point& location_in_screen,
ui::MenuSourceType source_type) {
DCHECK(Shell::GetInstance()->delegate());
scoped_ptr<ui::MenuModel> menu_model(
Shell::GetInstance()->delegate()->CreateContextMenu(
GetRootWindow(), NULL, NULL));
if (!menu_model)
return;
// Background controller may not be set yet if user clicked on status are
// before initial animation completion. See crbug.com/222218
if (!wallpaper_controller_.get())
return;
views::MenuRunner menu_runner(menu_model.get(),
views::MenuRunner::CONTEXT_MENU);
if (menu_runner.RunMenuAt(wallpaper_controller_->widget(),
NULL,
gfx::Rect(location_in_screen, gfx::Size()),
views::MENU_ANCHOR_TOPLEFT,
source_type) == views::MenuRunner::MENU_DELETED) {
return;
}
Shell::GetInstance()->UpdateShelfVisibility();
}
void RootWindowController::UpdateShelfVisibility() {
shelf_->shelf_layout_manager()->UpdateVisibilityState();
}
const aura::Window* RootWindowController::GetWindowForFullscreenMode() const {
const aura::Window* topmost_window = NULL;
const aura::Window* active_window = wm::GetActiveWindow();
if (active_window && active_window->GetRootWindow() == GetRootWindow() &&
IsSwitchableContainer(active_window->parent())) {
// Use the active window when it is on the current root window to determine
// the fullscreen state to allow temporarily using a panel or docked window
// (which are always above the default container) while a fullscreen
// window is open. We only use the active window when in a switchable
// container as the launcher should not exit fullscreen mode.
topmost_window = active_window;
} else {
// Otherwise, use the topmost window on the root window's default container
// when there is no active window on this root window.
const aura::Window::Windows& windows =
GetContainer(kShellWindowId_DefaultContainer)->children();
for (aura::Window::Windows::const_reverse_iterator iter = windows.rbegin();
iter != windows.rend(); ++iter) {
if (((*iter)->type() == ui::wm::WINDOW_TYPE_NORMAL ||
(*iter)->type() == ui::wm::WINDOW_TYPE_PANEL) &&
(*iter)->layer()->GetTargetVisibility()) {
topmost_window = *iter;
break;
}
}
}
while (topmost_window) {
if (wm::GetWindowState(topmost_window)->IsFullscreen())
return topmost_window;
topmost_window = ::wm::GetTransientParent(topmost_window);
}
return NULL;
}
void RootWindowController::ActivateKeyboard(
keyboard::KeyboardController* keyboard_controller) {
if (!keyboard::IsKeyboardEnabled() ||
GetContainer(kShellWindowId_VirtualKeyboardContainer)) {
return;
}
DCHECK(keyboard_controller);
keyboard_controller->AddObserver(shelf()->shelf_layout_manager());
keyboard_controller->AddObserver(panel_layout_manager_);
keyboard_controller->AddObserver(docked_layout_manager_);
keyboard_controller->AddObserver(workspace_controller_->layout_manager());
keyboard_controller->AddObserver(
always_on_top_controller_->GetLayoutManager());
Shell::GetInstance()->delegate()->VirtualKeyboardActivated(true);
aura::Window* parent = GetContainer(kShellWindowId_ImeWindowParentContainer);
DCHECK(parent);
aura::Window* keyboard_container =
keyboard_controller->GetContainerWindow();
keyboard_container->set_id(kShellWindowId_VirtualKeyboardContainer);
parent->AddChild(keyboard_container);
}
void RootWindowController::DeactivateKeyboard(
keyboard::KeyboardController* keyboard_controller) {
if (!keyboard_controller ||
!keyboard_controller->keyboard_container_initialized()) {
return;
}
aura::Window* keyboard_container =
keyboard_controller->GetContainerWindow();
if (keyboard_container->GetRootWindow() == GetRootWindow()) {
aura::Window* parent =
GetContainer(kShellWindowId_ImeWindowParentContainer);
DCHECK(parent);
parent->RemoveChild(keyboard_container);
// Virtual keyboard may be deactivated while still showing, notify all
// observers that keyboard bounds changed to 0 before remove them.
keyboard_controller->NotifyKeyboardBoundsChanging(gfx::Rect());
keyboard_controller->RemoveObserver(shelf()->shelf_layout_manager());
keyboard_controller->RemoveObserver(panel_layout_manager_);
keyboard_controller->RemoveObserver(docked_layout_manager_);
keyboard_controller->RemoveObserver(
workspace_controller_->layout_manager());
keyboard_controller->RemoveObserver(
always_on_top_controller_->GetLayoutManager());
Shell::GetInstance()->delegate()->VirtualKeyboardActivated(false);
}
}
bool RootWindowController::IsVirtualKeyboardWindow(aura::Window* window) {
aura::Window* parent = GetContainer(kShellWindowId_ImeWindowParentContainer);
return parent ? parent->Contains(window) : false;
}
////////////////////////////////////////////////////////////////////////////////
// RootWindowController, private:
RootWindowController::RootWindowController(AshWindowTreeHost* ash_host)
: ash_host_(ash_host),
root_window_layout_(NULL),
docked_layout_manager_(NULL),
panel_layout_manager_(NULL),
touch_hud_debug_(NULL),
touch_hud_projection_(NULL) {
aura::Window* root_window = GetRootWindow();
GetRootWindowSettings(root_window)->controller = this;
screen_dimmer_.reset(new ScreenDimmer(root_window));
stacking_controller_.reset(new StackingController);
aura::client::SetWindowTreeClient(root_window, stacking_controller_.get());
capture_client_.reset(new ::wm::ScopedCaptureClient(root_window));
}
void RootWindowController::Init(RootWindowType root_window_type,
bool first_run_after_boot) {
aura::Window* root_window = GetRootWindow();
Shell* shell = Shell::GetInstance();
shell->InitRootWindow(root_window);
ash_host_->AsWindowTreeHost()->SetCursor(ui::kCursorPointer);
CreateContainersInRootWindow(root_window);
CreateSystemBackground(first_run_after_boot);
InitLayoutManagers();
InitTouchHuds();
if (Shell::GetPrimaryRootWindowController()->
GetSystemModalLayoutManager(NULL)->has_modal_background()) {
GetSystemModalLayoutManager(NULL)->CreateModalBackground();
}
shell->AddShellObserver(this);
if (root_window_type == PRIMARY) {
root_window_layout()->OnWindowResized();
shell->InitKeyboard();
} else {
root_window_layout()->OnWindowResized();
ash_host_->AsWindowTreeHost()->Show();
// Create a shelf if a user is already logged in.
if (shell->session_state_delegate()->NumberOfLoggedInUsers())
shelf()->CreateShelf();
// Notify shell observers about new root window.
shell->OnRootWindowAdded(root_window);
}
#if defined(OS_CHROMEOS)
if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshDisableTouchExplorationMode)) {
touch_exploration_manager_.reset(new AshTouchExplorationManager(this));
}
#endif
}
void RootWindowController::InitLayoutManagers() {
aura::Window* root_window = GetRootWindow();
root_window_layout_ = new RootWindowLayoutManager(root_window);
root_window->SetLayoutManager(root_window_layout_);
aura::Window* default_container =
GetContainer(kShellWindowId_DefaultContainer);
// Workspace manager has its own layout managers.
workspace_controller_.reset(
new WorkspaceController(default_container));
aura::Window* always_on_top_container =
GetContainer(kShellWindowId_AlwaysOnTopContainer);
always_on_top_controller_.reset(
new AlwaysOnTopController(always_on_top_container));
DCHECK(!shelf_.get());
aura::Window* shelf_container = GetContainer(kShellWindowId_ShelfContainer);
// TODO(harrym): Remove when status area is view.
aura::Window* status_container = GetContainer(kShellWindowId_StatusContainer);
shelf_.reset(new ShelfWidget(
shelf_container, status_container, workspace_controller()));
if (!Shell::GetInstance()->session_state_delegate()->
IsActiveUserSessionStarted()) {
// This window exists only to be a event target on login screen.
// It does not have to handle events, nor be visible.
mouse_event_target_.reset(new aura::Window(new EmptyWindowDelegate));
mouse_event_target_->Init(ui::LAYER_NOT_DRAWN);
aura::Window* lock_background_container =
GetContainer(kShellWindowId_LockScreenBackgroundContainer);
lock_background_container->AddChild(mouse_event_target_.get());
mouse_event_target_->Show();
}
// Create Docked windows layout manager
aura::Window* docked_container = GetContainer(kShellWindowId_DockedContainer);
docked_layout_manager_ =
new DockedWindowLayoutManager(docked_container, workspace_controller());
docked_container->SetLayoutManager(docked_layout_manager_);
// Installs SnapLayoutManager to containers who set the
// |kSnapsChildrenToPhysicalPixelBoundary| property.
wm::InstallSnapLayoutManagerToContainers(root_window);
// Create Panel layout manager
aura::Window* panel_container = GetContainer(kShellWindowId_PanelContainer);
panel_layout_manager_ = new PanelLayoutManager(panel_container);
panel_container->SetLayoutManager(panel_layout_manager_);
panel_container_handler_.reset(new PanelWindowEventHandler);
panel_container->AddPreTargetHandler(panel_container_handler_.get());
// Install an AttachedPanelWindowTargeter on the panel container to make it
// easier to correctly target shelf buttons with touch.
gfx::Insets mouse_extend(-kResizeOutsideBoundsSize,
-kResizeOutsideBoundsSize,
-kResizeOutsideBoundsSize,
-kResizeOutsideBoundsSize);
gfx::Insets touch_extend = mouse_extend.Scale(
kResizeOutsideBoundsScaleForTouch);
panel_container->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
new AttachedPanelWindowTargeter(panel_container,
mouse_extend,
touch_extend,
panel_layout_manager_)));
}
void RootWindowController::InitTouchHuds() {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kAshTouchHud))
set_touch_hud_debug(new TouchHudDebug(GetRootWindow()));
if (Shell::GetInstance()->is_touch_hud_projection_enabled())
EnableTouchHudProjection();
}
void RootWindowController::CreateSystemBackground(
bool is_first_run_after_boot) {
SkColor color = SK_ColorBLACK;
#if defined(OS_CHROMEOS)
if (is_first_run_after_boot)
color = kChromeOsBootColor;
#endif
system_background_.reset(
new SystemBackgroundController(GetRootWindow(), color));
#if defined(OS_CHROMEOS)
// Make a copy of the system's boot splash screen so we can composite it
// onscreen until the desktop background is ready.
if (is_first_run_after_boot &&
(base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshCopyHostBackgroundAtBoot) ||
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshAnimateFromBootSplashScreen)))
boot_splash_screen_.reset(new BootSplashScreen(GetHost()));
#endif
}
void RootWindowController::CreateContainersInRootWindow(
aura::Window* root_window) {
// These containers are just used by PowerButtonController to animate groups
// of containers simultaneously without messing up the current transformations
// on those containers. These are direct children of the root window; all of
// the other containers are their children.
// The desktop background container is not part of the lock animation, so it
// is not included in those animate groups.
// When screen is locked desktop background is moved to lock screen background
// container (moved back on unlock). We want to make sure that there's an
// opaque layer occluding the non-lock-screen layers.
aura::Window* desktop_background_container = CreateContainer(
kShellWindowId_DesktopBackgroundContainer,
"DesktopBackgroundContainer",
root_window);
::wm::SetChildWindowVisibilityChangesAnimated(desktop_background_container);
aura::Window* non_lock_screen_containers = CreateContainer(
kShellWindowId_NonLockScreenContainersContainer,
"NonLockScreenContainersContainer",
root_window);
aura::Window* lock_background_containers = CreateContainer(
kShellWindowId_LockScreenBackgroundContainer,
"LockScreenBackgroundContainer",
root_window);
::wm::SetChildWindowVisibilityChangesAnimated(lock_background_containers);
aura::Window* lock_screen_containers = CreateContainer(
kShellWindowId_LockScreenContainersContainer,
"LockScreenContainersContainer",
root_window);
aura::Window* lock_screen_related_containers = CreateContainer(
kShellWindowId_LockScreenRelatedContainersContainer,
"LockScreenRelatedContainersContainer",
root_window);
CreateContainer(kShellWindowId_UnparentedControlContainer,
"UnparentedControlContainer",
non_lock_screen_containers);
aura::Window* default_container = CreateContainer(
kShellWindowId_DefaultContainer,
"DefaultContainer",
non_lock_screen_containers);
::wm::SetChildWindowVisibilityChangesAnimated(default_container);
wm::SetSnapsChildrenToPhysicalPixelBoundary(default_container);
SetUsesScreenCoordinates(default_container);
SetUsesEasyResizeTargeter(default_container);
aura::Window* always_on_top_container = CreateContainer(
kShellWindowId_AlwaysOnTopContainer,
"AlwaysOnTopContainer",
non_lock_screen_containers);
::wm::SetChildWindowVisibilityChangesAnimated(always_on_top_container);
wm::SetSnapsChildrenToPhysicalPixelBoundary(always_on_top_container);
SetUsesScreenCoordinates(always_on_top_container);
aura::Window* docked_container = CreateContainer(
kShellWindowId_DockedContainer,
"DockedContainer",
non_lock_screen_containers);
::wm::SetChildWindowVisibilityChangesAnimated(docked_container);
wm::SetSnapsChildrenToPhysicalPixelBoundary(docked_container);
SetUsesScreenCoordinates(docked_container);
SetUsesEasyResizeTargeter(docked_container);
aura::Window* shelf_container =
CreateContainer(kShellWindowId_ShelfContainer,
"ShelfContainer",
non_lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(shelf_container);
SetUsesScreenCoordinates(shelf_container);
DescendantShouldStayInSameRootWindow(shelf_container);
aura::Window* panel_container = CreateContainer(
kShellWindowId_PanelContainer,
"PanelContainer",
non_lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(panel_container);
SetUsesScreenCoordinates(panel_container);
aura::Window* shelf_bubble_container =
CreateContainer(kShellWindowId_ShelfBubbleContainer,
"ShelfBubbleContainer",
non_lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(shelf_bubble_container);
SetUsesScreenCoordinates(shelf_bubble_container);
DescendantShouldStayInSameRootWindow(shelf_bubble_container);
aura::Window* app_list_container =
CreateContainer(kShellWindowId_AppListContainer,
"AppListContainer",
non_lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(app_list_container);
SetUsesScreenCoordinates(app_list_container);
aura::Window* modal_container = CreateContainer(
kShellWindowId_SystemModalContainer,
"SystemModalContainer",
non_lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(modal_container);
modal_container->SetLayoutManager(
new SystemModalContainerLayoutManager(modal_container));
::wm::SetChildWindowVisibilityChangesAnimated(modal_container);
SetUsesScreenCoordinates(modal_container);
SetUsesEasyResizeTargeter(modal_container);
// TODO(beng): Figure out if we can make this use
// SystemModalContainerEventFilter instead of stops_event_propagation.
aura::Window* lock_container = CreateContainer(
kShellWindowId_LockScreenContainer,
"LockScreenContainer",
lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(lock_container);
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshDisableLockLayoutManager)) {
lock_container->SetLayoutManager(
new WorkspaceLayoutManager(lock_container));
} else {
lock_container->SetLayoutManager(new LockLayoutManager(lock_container));
}
SetUsesScreenCoordinates(lock_container);
// TODO(beng): stopsevents
aura::Window* lock_modal_container = CreateContainer(
kShellWindowId_LockSystemModalContainer,
"LockSystemModalContainer",
lock_screen_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(lock_modal_container);
lock_modal_container->SetLayoutManager(
new SystemModalContainerLayoutManager(lock_modal_container));
::wm::SetChildWindowVisibilityChangesAnimated(lock_modal_container);
SetUsesScreenCoordinates(lock_modal_container);
SetUsesEasyResizeTargeter(lock_modal_container);
aura::Window* status_container =
CreateContainer(kShellWindowId_StatusContainer,
"StatusContainer",
lock_screen_related_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(status_container);
SetUsesScreenCoordinates(status_container);
DescendantShouldStayInSameRootWindow(status_container);
aura::Window* settings_bubble_container = CreateContainer(
kShellWindowId_SettingBubbleContainer,
"SettingBubbleContainer",
lock_screen_related_containers);
::wm::SetChildWindowVisibilityChangesAnimated(settings_bubble_container);
wm::SetSnapsChildrenToPhysicalPixelBoundary(settings_bubble_container);
SetUsesScreenCoordinates(settings_bubble_container);
DescendantShouldStayInSameRootWindow(settings_bubble_container);
aura::Window* virtual_keyboard_parent_container =
CreateContainer(kShellWindowId_ImeWindowParentContainer,
"VirtualKeyboardParentContainer",
lock_screen_related_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(
virtual_keyboard_parent_container);
SetUsesScreenCoordinates(virtual_keyboard_parent_container);
aura::Window* menu_container = CreateContainer(
kShellWindowId_MenuContainer,
"MenuContainer",
lock_screen_related_containers);
::wm::SetChildWindowVisibilityChangesAnimated(menu_container);
wm::SetSnapsChildrenToPhysicalPixelBoundary(menu_container);
SetUsesScreenCoordinates(menu_container);
aura::Window* drag_drop_container = CreateContainer(
kShellWindowId_DragImageAndTooltipContainer,
"DragImageAndTooltipContainer",
lock_screen_related_containers);
::wm::SetChildWindowVisibilityChangesAnimated(drag_drop_container);
wm::SetSnapsChildrenToPhysicalPixelBoundary(drag_drop_container);
SetUsesScreenCoordinates(drag_drop_container);
aura::Window* overlay_container = CreateContainer(
kShellWindowId_OverlayContainer,
"OverlayContainer",
lock_screen_related_containers);
wm::SetSnapsChildrenToPhysicalPixelBoundary(overlay_container);
SetUsesScreenCoordinates(overlay_container);
#if defined(OS_CHROMEOS)
aura::Window* mouse_cursor_container = CreateContainer(
kShellWindowId_MouseCursorContainer,
"MouseCursorContainer",
root_window);
SetUsesScreenCoordinates(mouse_cursor_container);
#endif
CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
"PowerButtonAnimationContainer", root_window);
}
void RootWindowController::EnableTouchHudProjection() {
if (touch_hud_projection_)
return;
set_touch_hud_projection(new TouchHudProjection(GetRootWindow()));
}
void RootWindowController::DisableTouchHudProjection() {
if (!touch_hud_projection_)
return;
touch_hud_projection_->Remove();
}
void RootWindowController::OnLoginStateChanged(user::LoginStatus status) {
shelf_->shelf_layout_manager()->UpdateVisibilityState();
}
void RootWindowController::OnTouchHudProjectionToggled(bool enabled) {
if (enabled)
EnableTouchHudProjection();
else
DisableTouchHudProjection();
}
RootWindowController* GetRootWindowController(
const aura::Window* root_window) {
return root_window ? GetRootWindowSettings(root_window)->controller : NULL;
}
} // namespace ash