chromeos: Move files in //ash/common to //ash, part 2

ash/common/shelf/wm_shelf.cc

Index: ash/common/shelf/wm_shelf.cc
diff --git a/ash/common/shelf/wm_shelf.cc b/ash/common/shelf/wm_shelf.cc
deleted file mode 100644
index 456af7719939dd01c8ca0c8bb7ddbee8a0676258..0000000000000000000000000000000000000000
--- a/ash/common/shelf/wm_shelf.cc
+++ /dev/null
@@ -1,375 +0,0 @@
-// Copyright 2016 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/common/shelf/wm_shelf.h"
-
-#include "ash/common/shelf/shelf_controller.h"
-#include "ash/common/shelf/shelf_delegate.h"
-#include "ash/common/shelf/shelf_item_delegate.h"
-#include "ash/common/shelf/shelf_layout_manager.h"
-#include "ash/common/shelf/shelf_locking_manager.h"
-#include "ash/common/shelf/shelf_model.h"
-#include "ash/common/shelf/shelf_widget.h"
-#include "ash/common/shelf/wm_shelf_observer.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "ash/shelf/shelf_bezel_event_handler.h"
-#include "ash/shell.h"
-#include "ash/system/tray/system_tray_delegate.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "ui/aura/env.h"
-#include "ui/display/types/display_constants.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace ash {
-
-// WmShelf::AutoHideEventHandler -----------------------------------------------
-
-// Forwards mouse and gesture events to ShelfLayoutManager for auto-hide.
-// TODO(mash): Add similar event handling support for mash.
-class WmShelf::AutoHideEventHandler : public ui::EventHandler {
- public:
-  explicit AutoHideEventHandler(ShelfLayoutManager* shelf_layout_manager)
-      : shelf_layout_manager_(shelf_layout_manager) {
-    Shell::GetInstance()->AddPreTargetHandler(this);
-  }
-  ~AutoHideEventHandler() override {
-    Shell::GetInstance()->RemovePreTargetHandler(this);
-  }
-
-  // Overridden from ui::EventHandler:
-  void OnMouseEvent(ui::MouseEvent* event) override {
-    shelf_layout_manager_->UpdateAutoHideForMouseEvent(
-        event, WmWindow::Get(static_cast<aura::Window*>(event->target())));
-  }
-  void OnGestureEvent(ui::GestureEvent* event) override {
-    shelf_layout_manager_->UpdateAutoHideForGestureEvent(
-        event, WmWindow::Get(static_cast<aura::Window*>(event->target())));
-  }
-
- private:
-  ShelfLayoutManager* shelf_layout_manager_;
-  DISALLOW_COPY_AND_ASSIGN(AutoHideEventHandler);
-};
-
-// WmShelf ---------------------------------------------------------------------
-
-WmShelf::WmShelf() {}
-
-WmShelf::~WmShelf() {}
-
-// static
-WmShelf* WmShelf::ForWindow(WmWindow* window) {
-  return window->GetRootWindowController()->GetShelf();
-}
-
-// static
-bool WmShelf::CanChangeShelfAlignment() {
-  if (WmShell::Get()->system_tray_delegate()->IsUserSupervised())
-    return false;
-
-  LoginStatus login_status =
-      WmShell::Get()->system_tray_delegate()->GetUserLoginStatus();
-
-  switch (login_status) {
-    case LoginStatus::LOCKED:
-    // Shelf alignment changes can be requested while being locked, but will
-    // be applied upon unlock.
-    case LoginStatus::USER:
-    case LoginStatus::OWNER:
-      return true;
-    case LoginStatus::PUBLIC:
-    case LoginStatus::SUPERVISED:
-    case LoginStatus::GUEST:
-    case LoginStatus::KIOSK_APP:
-    case LoginStatus::ARC_KIOSK_APP:
-    case LoginStatus::NOT_LOGGED_IN:
-      return false;
-  }
-
-  NOTREACHED();
-  return false;
-}
-
-void WmShelf::CreateShelfWidget(WmWindow* root) {
-  DCHECK(!shelf_widget_);
-  WmWindow* shelf_container =
-      root->GetChildByShellWindowId(kShellWindowId_ShelfContainer);
-  shelf_widget_.reset(new ShelfWidget(shelf_container, this));
-
-  DCHECK(!shelf_layout_manager_);
-  shelf_layout_manager_ = shelf_widget_->shelf_layout_manager();
-  shelf_layout_manager_->AddObserver(this);
-
-  // Must occur after |shelf_widget_| is constructed because the system tray
-  // constructors call back into WmShelf::shelf_widget().
-  DCHECK(!shelf_widget_->status_area_widget());
-  WmWindow* status_container =
-      root->GetChildByShellWindowId(kShellWindowId_StatusContainer);
-  shelf_widget_->CreateStatusAreaWidget(status_container);
-
-  // TODO: ShelfBezelEventHandler needs to work with mus too.
-  // http://crbug.com/636647
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::LOCAL)
-    bezel_event_handler_ = base::MakeUnique<ShelfBezelEventHandler>(this);
-}
-
-void WmShelf::ShutdownShelfWidget() {
-  if (shelf_widget_)
-    shelf_widget_->Shutdown();
-}
-
-void WmShelf::DestroyShelfWidget() {
-  shelf_widget_.reset();
-}
-
-void WmShelf::CreateShelfView() {
-  DCHECK(shelf_layout_manager_);
-  DCHECK(shelf_widget_);
-  DCHECK(!shelf_view_);
-  shelf_view_ = shelf_widget_->CreateShelfView();
-  shelf_locking_manager_.reset(new ShelfLockingManager(this));
-  WmShell::Get()->shelf_controller()->NotifyShelfCreated(this);
-}
-
-void WmShelf::ShutdownShelf() {
-  DCHECK(shelf_view_);
-  shelf_locking_manager_.reset();
-  shelf_view_ = nullptr;
-}
-
-bool WmShelf::IsShelfInitialized() const {
-  return !!shelf_view_;
-}
-
-WmWindow* WmShelf::GetWindow() {
-  return WmWindow::Get(shelf_widget_->GetNativeWindow());
-}
-
-void WmShelf::SetAlignment(ShelfAlignment alignment) {
-  DCHECK(shelf_layout_manager_);
-  DCHECK(shelf_locking_manager_);
-
-  if (alignment_ == alignment)
-    return;
-
-  if (shelf_locking_manager_->is_locked() &&
-      alignment != SHELF_ALIGNMENT_BOTTOM_LOCKED) {
-    shelf_locking_manager_->set_stored_alignment(alignment);
-    return;
-  }
-
-  alignment_ = alignment;
-  // The ShelfWidget notifies the ShelfView of the alignment change.
-  shelf_widget_->OnShelfAlignmentChanged();
-  shelf_layout_manager_->LayoutShelf();
-  WmShell::Get()->shelf_controller()->NotifyShelfAlignmentChanged(this);
-  WmShell::Get()->NotifyShelfAlignmentChanged(GetWindow()->GetRootWindow());
-}
-
-bool WmShelf::IsHorizontalAlignment() const {
-  switch (alignment_) {
-    case SHELF_ALIGNMENT_BOTTOM:
-    case SHELF_ALIGNMENT_BOTTOM_LOCKED:
-      return true;
-    case SHELF_ALIGNMENT_LEFT:
-    case SHELF_ALIGNMENT_RIGHT:
-      return false;
-  }
-  NOTREACHED();
-  return true;
-}
-
-int WmShelf::SelectValueForShelfAlignment(int bottom,
-                                          int left,
-                                          int right) const {
-  switch (alignment_) {
-    case SHELF_ALIGNMENT_BOTTOM:
-    case SHELF_ALIGNMENT_BOTTOM_LOCKED:
-      return bottom;
-    case SHELF_ALIGNMENT_LEFT:
-      return left;
-    case SHELF_ALIGNMENT_RIGHT:
-      return right;
-  }
-  NOTREACHED();
-  return bottom;
-}
-
-int WmShelf::PrimaryAxisValue(int horizontal, int vertical) const {
-  return IsHorizontalAlignment() ? horizontal : vertical;
-}
-
-void WmShelf::SetAutoHideBehavior(ShelfAutoHideBehavior auto_hide_behavior) {
-  DCHECK(shelf_layout_manager_);
-
-  if (auto_hide_behavior_ == auto_hide_behavior)
-    return;
-
-  auto_hide_behavior_ = auto_hide_behavior;
-  WmShell::Get()->shelf_controller()->NotifyShelfAutoHideBehaviorChanged(this);
-  WmShell::Get()->NotifyShelfAutoHideBehaviorChanged(
-      GetWindow()->GetRootWindow());
-}
-
-ShelfAutoHideState WmShelf::GetAutoHideState() const {
-  return shelf_layout_manager_->auto_hide_state();
-}
-
-void WmShelf::UpdateAutoHideState() {
-  shelf_layout_manager_->UpdateAutoHideState();
-}
-
-ShelfBackgroundType WmShelf::GetBackgroundType() const {
-  return shelf_widget_->GetBackgroundType();
-}
-
-bool WmShelf::IsVisible() const {
-  return shelf_widget_->IsShelfVisible();
-}
-
-void WmShelf::UpdateVisibilityState() {
-  if (shelf_layout_manager_)
-    shelf_layout_manager_->UpdateVisibilityState();
-}
-
-ShelfVisibilityState WmShelf::GetVisibilityState() const {
-  return shelf_layout_manager_ ? shelf_layout_manager_->visibility_state()
-                               : SHELF_HIDDEN;
-}
-
-gfx::Rect WmShelf::GetIdealBounds() {
-  return shelf_layout_manager_->GetIdealBounds();
-}
-
-gfx::Rect WmShelf::GetUserWorkAreaBounds() const {
-  return shelf_layout_manager_ ? shelf_layout_manager_->user_work_area_bounds()
-                               : gfx::Rect();
-}
-
-void WmShelf::UpdateIconPositionForPanel(WmWindow* panel) {
-  shelf_widget_->UpdateIconPositionForPanel(panel);
-}
-
-gfx::Rect WmShelf::GetScreenBoundsOfItemIconForWindow(WmWindow* window) {
-  if (!shelf_widget_)
-    return gfx::Rect();
-  return shelf_widget_->GetScreenBoundsOfItemIconForWindow(window);
-}
-
-// static
-void WmShelf::LaunchShelfItem(int item_index) {
-  ShelfModel* shelf_model = WmShell::Get()->shelf_model();
-  const ShelfItems& items = shelf_model->items();
-  int item_count = shelf_model->item_count();
-  int indexes_left = item_index >= 0 ? item_index : item_count;
-  int found_index = -1;
-
-  // Iterating until we have hit the index we are interested in which
-  // is true once indexes_left becomes negative.
-  for (int i = 0; i < item_count && indexes_left >= 0; i++) {
-    if (items[i].type != TYPE_APP_LIST) {
-      found_index = i;
-      indexes_left--;
-    }
-  }
-
-  // There are two ways how found_index can be valid: a.) the nth item was
-  // found (which is true when indexes_left is -1) or b.) the last item was
-  // requested (which is true when index was passed in as a negative number).
-  if (found_index >= 0 && (indexes_left == -1 || item_index < 0)) {
-    // Then set this one as active (or advance to the next item of its kind).
-    ActivateShelfItem(found_index);
-  }
-}
-
-// static
-void WmShelf::ActivateShelfItem(int item_index) {
-  ShelfModel* shelf_model = WmShell::Get()->shelf_model();
-  const ShelfItem& item = shelf_model->items()[item_index];
-  ShelfItemDelegate* item_delegate = shelf_model->GetShelfItemDelegate(item.id);
-  item_delegate->ItemSelected(ui::ET_KEY_RELEASED, ui::EF_NONE,
-                              display::kInvalidDisplayId, LAUNCH_FROM_UNKNOWN);
-}
-
-bool WmShelf::ProcessGestureEvent(const ui::GestureEvent& event) {
-  // Can be called at login screen.
-  if (!shelf_layout_manager_)
-    return false;
-  return shelf_layout_manager_->ProcessGestureEvent(event);
-}
-
-void WmShelf::AddObserver(WmShelfObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void WmShelf::RemoveObserver(WmShelfObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void WmShelf::NotifyShelfIconPositionsChanged() {
-  for (auto& observer : observers_)
-    observer.OnShelfIconPositionsChanged();
-}
-
-StatusAreaWidget* WmShelf::GetStatusAreaWidget() const {
-  return shelf_widget_->status_area_widget();
-}
-
-void WmShelf::SetVirtualKeyboardBoundsForTesting(const gfx::Rect& bounds) {
-  shelf_layout_manager_->OnKeyboardBoundsChanging(bounds);
-}
-
-ShelfLockingManager* WmShelf::GetShelfLockingManagerForTesting() {
-  return shelf_locking_manager_.get();
-}
-
-ShelfView* WmShelf::GetShelfViewForTesting() {
-  return shelf_view_;
-}
-
-void WmShelf::WillDeleteShelfLayoutManager() {
-  if (aura::Env::GetInstance()->mode() == aura::Env::Mode::MUS) {
-    // TODO(sky): this should be removed once Shell is used everywhere.
-    ShutdownShelfWidget();
-  }
-
-  // Clear event handlers that might forward events to the destroyed instance.
-  auto_hide_event_handler_.reset();
-  bezel_event_handler_.reset();
-
-  DCHECK(shelf_layout_manager_);
-  shelf_layout_manager_->RemoveObserver(this);
-  shelf_layout_manager_ = nullptr;
-}
-
-void WmShelf::WillChangeVisibilityState(ShelfVisibilityState new_state) {
-  for (auto& observer : observers_)
-    observer.WillChangeVisibilityState(new_state);
-  if (new_state != SHELF_AUTO_HIDE) {
-    auto_hide_event_handler_.reset();
-  } else if (!auto_hide_event_handler_ &&
-             aura::Env::GetInstance()->mode() == aura::Env::Mode::LOCAL) {
-    auto_hide_event_handler_ =
-        base::MakeUnique<AutoHideEventHandler>(shelf_layout_manager());
-  }
-}
-
-void WmShelf::OnAutoHideStateChanged(ShelfAutoHideState new_state) {
-  for (auto& observer : observers_)
-    observer.OnAutoHideStateChanged(new_state);
-}
-
-void WmShelf::OnBackgroundUpdated(ShelfBackgroundType background_type,
-                                  AnimationChangeType change_type) {
-  if (background_type == GetBackgroundType())
-    return;
-  for (auto& observer : observers_)
-    observer.OnBackgroundTypeChanged(background_type, change_type);
-}
-
-}  // namespace ash