mash: Move system tray cast code into //ash/common

ash/system/cast/tray_cast.cc

Index: ash/system/cast/tray_cast.cc
diff --git a/ash/system/cast/tray_cast.cc b/ash/system/cast/tray_cast.cc
deleted file mode 100644
index c7441145c62fdd7201302dc300119de76edc711f..0000000000000000000000000000000000000000
--- a/ash/system/cast/tray_cast.cc
+++ /dev/null
@@ -1,670 +0,0 @@
-// Copyright 2015 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/system/cast/tray_cast.h"
-
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shelf/shelf_types.h"
-#include "ash/common/shelf/wm_shelf_util.h"
-#include "ash/common/system/tray/fixed_sized_image_view.h"
-#include "ash/common/system/tray/fixed_sized_scroll_view.h"
-#include "ash/common/system/tray/hover_highlight_view.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
-#include "ash/common/system/tray/throbber_view.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/system/tray/tray_details_view.h"
-#include "ash/common/system/tray/tray_item_more.h"
-#include "ash/common/system/tray/tray_item_view.h"
-#include "ash/common/system/tray/tray_popup_label_button.h"
-#include "ash/common/system/tray/view_click_listener.h"
-#include "ash/common/wm_shell.h"
-#include "ash/system/chromeos/screen_security/screen_tray_item.h"
-#include "ash/system/tray/system_tray.h"
-#include "base/bind.h"
-#include "grit/ash_resources.h"
-#include "grit/ash_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/text_elider.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/fill_layout.h"
-
-namespace ash {
-
-namespace {
-
-const size_t kMaximumStatusStringLength = 100;
-const int kStopButtonRightPadding = 18;
-
-// Returns the active CastConfigDelegate instance.
-CastConfigDelegate* GetCastConfigDelegate() {
-  return WmShell::Get()->system_tray_delegate()->GetCastConfigDelegate();
-}
-
-// Helper method to elide the given string to the maximum length. If a string is
-// contains user-input and is displayed, we should elide it.
-// TODO(jdufault): This does not properly trim unicode characters. We should
-// implement this properly by using views::Label::SetElideBehavior(...). See
-// crbug.com/532496.
-base::string16 ElideString(const base::string16& text) {
-  base::string16 elided;
-  gfx::ElideString(text, kMaximumStatusStringLength, &elided);
-  return elided;
-}
-
-}  // namespace
-
-namespace tray {
-
-// This view is displayed in the system tray when the cast extension is active.
-// It asks the user if they want to cast the desktop. If they click on the
-// chevron, then a detail view will replace this view where the user will
-// actually pick the cast receiver.
-class CastSelectDefaultView : public TrayItemMore {
- public:
-  CastSelectDefaultView(SystemTrayItem* owner, bool show_more);
-  ~CastSelectDefaultView() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CastSelectDefaultView);
-};
-
-CastSelectDefaultView::CastSelectDefaultView(SystemTrayItem* owner,
-                                             bool show_more)
-    : TrayItemMore(owner, show_more) {
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-
-  // Update the image and label.
-  SetImage(rb.GetImageNamed(IDR_AURA_UBER_TRAY_CAST).ToImageSkia());
-  base::string16 label =
-      rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_CAST_DESKTOP);
-  SetLabel(label);
-  SetAccessibleName(label);
-}
-
-CastSelectDefaultView::~CastSelectDefaultView() {}
-
-// This view is displayed when the screen is actively being casted; it allows
-// the user to easily stop casting. It fully replaces the
-// |CastSelectDefaultView| view inside of the |CastDuplexView|.
-class CastCastView : public views::View, public views::ButtonListener {
- public:
-  CastCastView();
-  ~CastCastView() override;
-
-  void StopCasting();
-
-  const std::string& displayed_activity_id() const {
-    return displayed_activity_id_;
-  }
-
-  // Updates the label for the stop view to include information about the
-  // current device that is being casted.
-  void UpdateLabel(
-      const CastConfigDelegate::ReceiversAndActivities& receivers_activities);
-
- private:
-  // Overridden from views::View.
-  int GetHeightForWidth(int width) const override;
-  void Layout() override;
-
-  // Overridden from views::ButtonListener.
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
-
-  // The cast activity id that we are displaying. If the user stops a cast, we
-  // send this value to the config delegate so that we stop the right cast.
-  std::string displayed_activity_id_;
-
-  views::ImageView* icon_;
-  views::Label* label_;
-  TrayPopupLabelButton* stop_button_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastCastView);
-};
-
-CastCastView::CastCastView() {
-  // We will initialize the primary tray view which shows a stop button here.
-
-  set_background(views::Background::CreateSolidBackground(kBackgroundColor));
-  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-  SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
-                                        kTrayPopupPaddingHorizontal, 0,
-                                        kTrayPopupPaddingBetweenItems));
-  icon_ = new FixedSizedImageView(0, kTrayPopupItemHeight);
-  icon_->SetImage(
-      bundle.GetImageNamed(IDR_AURA_UBER_TRAY_CAST_ENABLED).ToImageSkia());
-  AddChildView(icon_);
-
-  // The label which describes both what we are casting (ie, the desktop) and
-  // where we are casting it to.
-  label_ = new views::Label;
-  label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-  label_->SetMultiLine(true);
-  label_->SetText(
-      bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_CAST_CAST_UNKNOWN));
-  AddChildView(label_);
-
-  // Add the stop bottom on the far-right. We customize how this stop button is
-  // displayed inside of |Layout()|.
-  base::string16 stop_button_text =
-      ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
-          IDS_ASH_STATUS_TRAY_CAST_STOP);
-  stop_button_ = new TrayPopupLabelButton(this, stop_button_text);
-  AddChildView(stop_button_);
-}
-
-CastCastView::~CastCastView() {}
-
-int CastCastView::GetHeightForWidth(int width) const {
-  // We are reusing the cached label_->bounds() calculation which was
-  // done inside of Layout(). Due to the way this object is initialized,
-  // Layout() will always get initially invoked with the dummy text
-  // (which will compute the proper label width) and then when we know
-  // the cast receiver we will update the label text, which will cause
-  // this method to get invoked.
-  return std::max(views::View::GetHeightForWidth(width),
-                  kTrayPopupPaddingBetweenItems * 2 +
-                      label_->GetHeightForWidth(label_->bounds().width()));
-}
-
-void CastCastView::Layout() {
-  views::View::Layout();
-
-  // Give the stop button the space it requests.
-  gfx::Size stop_size = stop_button_->GetPreferredSize();
-  gfx::Rect stop_bounds(stop_size);
-  stop_bounds.set_x(width() - stop_size.width() - kStopButtonRightPadding);
-  stop_bounds.set_y((height() - stop_size.height()) / 2);
-  stop_button_->SetBoundsRect(stop_bounds);
-
-  // Adjust the label's bounds in case it got cut off by |stop_button_|.
-  if (label_->bounds().Intersects(stop_button_->bounds())) {
-    gfx::Rect label_bounds = label_->bounds();
-    label_bounds.set_width(stop_button_->x() - kTrayPopupPaddingBetweenItems -
-                           label_->x());
-    label_->SetBoundsRect(label_bounds);
-  }
-}
-
-void CastCastView::StopCasting() {
-  GetCastConfigDelegate()->StopCasting(displayed_activity_id_);
-  WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_CAST_STOP_CAST);
-}
-
-void CastCastView::UpdateLabel(
-    const CastConfigDelegate::ReceiversAndActivities& receivers_activities) {
-  for (auto& i : receivers_activities) {
-    const CastConfigDelegate::Receiver& receiver = i.receiver;
-    const CastConfigDelegate::Activity& activity = i.activity;
-
-    if (!activity.id.empty()) {
-      displayed_activity_id_ = activity.id;
-
-      // We want to display different labels inside of the title depending on
-      // what we are actually casting - either the desktop, a tab, or a fallback
-      // that catches everything else (ie, an extension tab).
-      if (activity.tab_id == CastConfigDelegate::Activity::TabId::DESKTOP) {
-        label_->SetText(ElideString(l10n_util::GetStringFUTF16(
-            IDS_ASH_STATUS_TRAY_CAST_CAST_DESKTOP, receiver.name)));
-      } else if (activity.tab_id >= 0) {
-        label_->SetText(ElideString(l10n_util::GetStringFUTF16(
-            IDS_ASH_STATUS_TRAY_CAST_CAST_TAB, activity.title, receiver.name)));
-      } else {
-        label_->SetText(
-            l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_CAST_CAST_UNKNOWN));
-      }
-
-      PreferredSizeChanged();
-      Layout();
-
-      // If this machine is the source of the activity, then we want to display
-      // it over any other activity. There can be multiple activities if other
-      // devices on the network are casting at the same time.
-      if (activity.is_local_source)
-        break;
-    }
-  }
-}
-
-void CastCastView::ButtonPressed(views::Button* sender,
-                                 const ui::Event& event) {
-  DCHECK(sender == stop_button_);
-  StopCasting();
-}
-
-// This view by itself does very little. It acts as a front-end for managing
-// which of the two child views (|CastSelectDefaultView| and |CastCastView|)
-// is active.
-class CastDuplexView : public views::View {
- public:
-  CastDuplexView(
-      SystemTrayItem* owner,
-      bool show_more,
-      const CastConfigDelegate::ReceiversAndActivities& receivers_activities);
-  ~CastDuplexView() override;
-
-  // Activate either the casting or select view.
-  void ActivateCastView();
-  void ActivateSelectView();
-
-  CastSelectDefaultView* select_view() { return select_view_; }
-  CastCastView* cast_view() { return cast_view_; }
-
- private:
-  // Overridden from views::View.
-  void ChildPreferredSizeChanged(views::View* child) override;
-  void Layout() override;
-
-  // Only one of |select_view_| or |cast_view_| will be displayed at any given
-  // time. This will return the view is being displayed.
-  views::View* ActiveChildView();
-
-  CastSelectDefaultView* select_view_;
-  CastCastView* cast_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastDuplexView);
-};
-
-CastDuplexView::CastDuplexView(
-    SystemTrayItem* owner,
-    bool show_more,
-    const CastConfigDelegate::ReceiversAndActivities& receivers_activities) {
-  select_view_ = new CastSelectDefaultView(owner, show_more);
-  cast_view_ = new CastCastView();
-  cast_view_->UpdateLabel(receivers_activities);
-  SetLayoutManager(new views::FillLayout());
-
-  ActivateSelectView();
-}
-
-CastDuplexView::~CastDuplexView() {
-  RemoveChildView(ActiveChildView());
-  delete select_view_;
-  delete cast_view_;
-}
-
-void CastDuplexView::ActivateCastView() {
-  if (ActiveChildView() == cast_view_)
-    return;
-
-  RemoveChildView(select_view_);
-  AddChildView(cast_view_);
-  InvalidateLayout();
-}
-
-void CastDuplexView::ActivateSelectView() {
-  if (ActiveChildView() == select_view_)
-    return;
-
-  RemoveChildView(cast_view_);
-  AddChildView(select_view_);
-  InvalidateLayout();
-}
-
-void CastDuplexView::ChildPreferredSizeChanged(views::View* child) {
-  PreferredSizeChanged();
-}
-
-void CastDuplexView::Layout() {
-  views::View::Layout();
-
-  select_view_->SetBoundsRect(GetContentsBounds());
-  cast_view_->SetBoundsRect(GetContentsBounds());
-}
-
-views::View* CastDuplexView::ActiveChildView() {
-  if (cast_view_->parent() == this)
-    return cast_view_;
-  if (select_view_->parent() == this)
-    return select_view_;
-  return nullptr;
-}
-
-// Exposes an icon in the tray. |TrayCast| manages the visiblity of this.
-class CastTrayView : public TrayItemView {
- public:
-  explicit CastTrayView(SystemTrayItem* tray_item);
-  ~CastTrayView() override;
-
-  // Called when the tray alignment changes so that the icon can recenter
-  // itself.
-  void UpdateAlignment(ShelfAlignment alignment);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CastTrayView);
-};
-
-CastTrayView::CastTrayView(SystemTrayItem* tray_item)
-    : TrayItemView(tray_item) {
-  CreateImageView();
-
-  image_view()->SetImage(ui::ResourceBundle::GetSharedInstance()
-                             .GetImageNamed(IDR_AURA_UBER_TRAY_SCREENSHARE)
-                             .ToImageSkia());
-}
-
-CastTrayView::~CastTrayView() {}
-
-void CastTrayView::UpdateAlignment(ShelfAlignment alignment) {
-  // Center the item dependent on the orientation of the shelf.
-  views::BoxLayout::Orientation layout = IsHorizontalAlignment(alignment)
-                                             ? views::BoxLayout::kVertical
-                                             : views::BoxLayout::kHorizontal;
-  SetLayoutManager(new views::BoxLayout(layout, 0, 0, 0));
-  Layout();
-}
-
-// This view displays a list of cast receivers that can be clicked on and casted
-// to. It is activated by clicking on the chevron inside of
-// |CastSelectDefaultView|.
-class CastDetailedView : public TrayDetailsView, public ViewClickListener {
- public:
-  CastDetailedView(SystemTrayItem* owner,
-                   LoginStatus login,
-                   const CastConfigDelegate::ReceiversAndActivities&
-                       receivers_and_activities);
-  ~CastDetailedView() override;
-
-  // Makes the detail view think the view associated with the given receiver_id
-  // was clicked. This will start a cast.
-  void SimulateViewClickedForTest(const std::string& receiver_id);
-
-  // Updates the list of available receivers.
-  void UpdateReceiverList(const CastConfigDelegate::ReceiversAndActivities&
-                              new_receivers_and_activities);
-
- private:
-  void CreateItems();
-
-  void UpdateReceiverListFromCachedData();
-  views::View* AddToReceiverList(
-      const CastConfigDelegate::ReceiverAndActivity& receiverActivity);
-
-  void AppendSettingsEntries();
-  void AppendHeaderEntry();
-
-  // Overridden from ViewClickListener.
-  void OnViewClicked(views::View* sender) override;
-
-  LoginStatus login_;
-  views::View* options_ = nullptr;
-  // A mapping from the receiver id to the receiver/activity data.
-  std::map<std::string, CastConfigDelegate::ReceiverAndActivity>
-      receivers_and_activities_;
-  // A mapping from the view pointer to the associated activity id.
-  std::map<views::View*, std::string> receiver_activity_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastDetailedView);
-};
-
-CastDetailedView::CastDetailedView(
-    SystemTrayItem* owner,
-    LoginStatus login,
-    const CastConfigDelegate::ReceiversAndActivities& receivers_and_activities)
-    : TrayDetailsView(owner), login_(login) {
-  CreateItems();
-  UpdateReceiverList(receivers_and_activities);
-}
-
-CastDetailedView::~CastDetailedView() {}
-
-void CastDetailedView::SimulateViewClickedForTest(
-    const std::string& receiver_id) {
-  for (auto& it : receiver_activity_map_) {
-    if (it.second == receiver_id) {
-      OnViewClicked(it.first);
-      break;
-    }
-  }
-}
-
-void CastDetailedView::CreateItems() {
-  CreateScrollableList();
-  if (GetCastConfigDelegate()->HasOptions())
-    AppendSettingsEntries();
-  AppendHeaderEntry();
-}
-
-void CastDetailedView::UpdateReceiverList(
-    const CastConfigDelegate::ReceiversAndActivities&
-        new_receivers_and_activities) {
-  // Add/update existing.
-  for (auto i = new_receivers_and_activities.begin();
-       i != new_receivers_and_activities.end(); ++i) {
-    receivers_and_activities_[i->receiver.id] = *i;
-  }
-
-  // Remove non-existent receivers. Removing an element invalidates all existing
-  // iterators.
-  auto i = receivers_and_activities_.begin();
-  while (i != receivers_and_activities_.end()) {
-    bool has_receiver = false;
-    for (auto receiver : new_receivers_and_activities) {
-      if (i->first == receiver.receiver.id)
-        has_receiver = true;
-    }
-
-    if (has_receiver)
-      ++i;
-    else
-      i = receivers_and_activities_.erase(i);
-  }
-
-  // Update UI.
-  UpdateReceiverListFromCachedData();
-  Layout();
-}
-
-void CastDetailedView::UpdateReceiverListFromCachedData() {
-  // Remove all of the existing views.
-  receiver_activity_map_.clear();
-  scroll_content()->RemoveAllChildViews(true);
-
-  // Add a view for each receiver.
-  for (auto& it : receivers_and_activities_) {
-    const CastConfigDelegate::ReceiverAndActivity& receiver_activity =
-        it.second;
-    views::View* container = AddToReceiverList(receiver_activity);
-    receiver_activity_map_[container] = it.first;
-  }
-
-  scroll_content()->SizeToPreferredSize();
-  static_cast<views::View*>(scroller())->Layout();
-}
-
-views::View* CastDetailedView::AddToReceiverList(
-    const CastConfigDelegate::ReceiverAndActivity& receiverActivity) {
-  HoverHighlightView* container = new HoverHighlightView(this);
-
-  const gfx::ImageSkia* image =
-      ui::ResourceBundle::GetSharedInstance()
-          .GetImageNamed(IDR_AURA_UBER_TRAY_CAST_DEVICE_ICON)
-          .ToImageSkia();
-  const base::string16& name = receiverActivity.receiver.name;
-  container->AddIndentedIconAndLabel(*image, name, false);
-
-  scroll_content()->AddChildView(container);
-  return container;
-}
-
-void CastDetailedView::AppendSettingsEntries() {
-  // Settings requires a browser window, hide it for non logged in user.
-  if (login_ == LoginStatus::NOT_LOGGED_IN || login_ == LoginStatus::LOCKED ||
-      WmShell::Get()->GetSessionStateDelegate()->IsInSecondaryLoginScreen()) {
-    return;
-  }
-
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-  HoverHighlightView* container = new HoverHighlightView(this);
-  container->AddLabel(rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_CAST_OPTIONS),
-                      gfx::ALIGN_LEFT, false /* highlight */);
-
-  AddChildView(container);
-  options_ = container;
-}
-
-void CastDetailedView::AppendHeaderEntry() {
-  CreateSpecialRow(IDS_ASH_STATUS_TRAY_CAST, this);
-}
-
-void CastDetailedView::OnViewClicked(views::View* sender) {
-  CastConfigDelegate* cast_config_delegate = GetCastConfigDelegate();
-
-  if (sender == footer()->content()) {
-    TransitionToDefaultView();
-  } else if (sender == options_) {
-    cast_config_delegate->LaunchCastOptions();
-  } else {
-    // Find the receiver we are going to cast to
-    auto it = receiver_activity_map_.find(sender);
-    if (it != receiver_activity_map_.end()) {
-      cast_config_delegate->CastToReceiver(it->second);
-      WmShell::Get()->RecordUserMetricsAction(
-          UMA_STATUS_AREA_DETAILED_CAST_VIEW_LAUNCH_CAST);
-    }
-  }
-}
-
-}  // namespace tray
-
-TrayCast::TrayCast(SystemTray* system_tray) : SystemTrayItem(system_tray) {
-  WmShell::Get()->AddShellObserver(this);
-}
-
-TrayCast::~TrayCast() {
-  WmShell::Get()->RemoveShellObserver(this);
-  if (added_observer_)
-    GetCastConfigDelegate()->RemoveObserver(this);
-}
-
-void TrayCast::StartCastForTest(const std::string& receiver_id) {
-  if (detailed_ != nullptr)
-    detailed_->SimulateViewClickedForTest(receiver_id);
-}
-
-void TrayCast::StopCastForTest() {
-  default_->cast_view()->StopCasting();
-}
-
-const std::string& TrayCast::GetDisplayedCastId() {
-  return default_->cast_view()->displayed_activity_id();
-}
-
-const views::View* TrayCast::GetDefaultView() const {
-  return default_;
-}
-
-views::View* TrayCast::CreateTrayView(LoginStatus status) {
-  CHECK(tray_ == nullptr);
-  tray_ = new tray::CastTrayView(this);
-  tray_->SetVisible(is_casting_);
-  return tray_;
-}
-
-views::View* TrayCast::CreateDefaultView(LoginStatus status) {
-  CHECK(default_ == nullptr);
-
-  if (HasCastExtension()) {
-    CastConfigDelegate* cast_config_delegate = GetCastConfigDelegate();
-
-    // Add the cast observer here instead of the ctor for two reasons:
-    // - The ctor gets called too early in the initialization cycle (at least
-    //   for the tests); the correct profile hasn't been setup yet.
-    // - If we're using the cast extension backend (media router is disabled),
-    //   then the user can install the extension at any point in time. The
-    //   return value of HasCastExtension() can change, so only checking it in
-    //   the ctor isn't enough.
-    if (!added_observer_) {
-      cast_config_delegate->AddObserver(this);
-      added_observer_ = true;
-    }
-
-    // The extension updates its view model whenever the popup is opened, so we
-    // probably should as well.
-    cast_config_delegate->RequestDeviceRefresh();
-  }
-
-  default_ = new tray::CastDuplexView(this, status != LoginStatus::LOCKED,
-                                      receivers_and_activities_);
-  default_->set_id(TRAY_VIEW);
-  default_->select_view()->set_id(SELECT_VIEW);
-  default_->cast_view()->set_id(CAST_VIEW);
-
-  UpdatePrimaryView();
-  return default_;
-}
-
-views::View* TrayCast::CreateDetailedView(LoginStatus status) {
-  WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_DETAILED_CAST_VIEW);
-  CHECK(detailed_ == nullptr);
-  detailed_ =
-      new tray::CastDetailedView(this, status, receivers_and_activities_);
-  return detailed_;
-}
-
-void TrayCast::DestroyTrayView() {
-  tray_ = nullptr;
-}
-
-void TrayCast::DestroyDefaultView() {
-  default_ = nullptr;
-}
-
-void TrayCast::DestroyDetailedView() {
-  detailed_ = nullptr;
-}
-
-bool TrayCast::HasCastExtension() {
-  CastConfigDelegate* cast_config_delegate = GetCastConfigDelegate();
-  return cast_config_delegate != nullptr &&
-         cast_config_delegate->HasCastExtension();
-}
-
-void TrayCast::OnDevicesUpdated(
-    const CastConfigDelegate::ReceiversAndActivities& receivers_activities) {
-  receivers_and_activities_ = receivers_activities;
-
-  if (default_) {
-    bool has_receivers = !receivers_and_activities_.empty();
-    default_->SetVisible(has_receivers);
-    default_->cast_view()->UpdateLabel(receivers_and_activities_);
-  }
-  if (detailed_)
-    detailed_->UpdateReceiverList(receivers_and_activities_);
-}
-
-void TrayCast::UpdatePrimaryView() {
-  if (HasCastExtension() && !receivers_and_activities_.empty()) {
-    if (default_) {
-      if (is_casting_)
-        default_->ActivateCastView();
-      else
-        default_->ActivateSelectView();
-    }
-
-    if (tray_)
-      tray_->SetVisible(is_casting_);
-  } else {
-    if (default_)
-      default_->SetVisible(false);
-    if (tray_)
-      tray_->SetVisible(false);
-  }
-}
-
-void TrayCast::OnCastingSessionStartedOrStopped(bool started) {
-  is_casting_ = started;
-  UpdatePrimaryView();
-}
-
-void TrayCast::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
-  if (tray_)
-    tray_->UpdateAlignment(alignment);
-}
-
-}  // namespace ash