chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/chromeos/cast/tray_cast.cc

Index: ash/common/system/chromeos/cast/tray_cast.cc
diff --git a/ash/common/system/chromeos/cast/tray_cast.cc b/ash/common/system/chromeos/cast/tray_cast.cc
deleted file mode 100644
index 4ad2fd9fa44864f672eb98f0d7b6841bad0abd76..0000000000000000000000000000000000000000
--- a/ash/common/system/chromeos/cast/tray_cast.cc
+++ /dev/null
@@ -1,572 +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/common/system/chromeos/cast/tray_cast.h"
-
-#include <map>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "ash/common/cast_config_controller.h"
-#include "ash/common/material_design/material_design_controller.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shelf/wm_shelf_util.h"
-#include "ash/common/system/chromeos/screen_security/screen_tray_item.h"
-#include "ash/common/system/tray/fixed_sized_image_view.h"
-#include "ash/common/system/tray/hover_highlight_view.h"
-#include "ash/common/system/tray/system_tray.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_utils.h"
-#include "ash/common/wm_shell.h"
-#include "ash/public/cpp/shelf_types.h"
-#include "ash/public/interfaces/cast_config.mojom.h"
-#include "ash/resources/grit/ash_resources.h"
-#include "ash/resources/vector_icons/vector_icons.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "base/bind.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/gfx/text_elider.h"
-#include "ui/views/background.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/controls/scroll_view.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/fill_layout.h"
-
-namespace ash {
-
-namespace {
-
-const size_t kMaximumStatusStringLength = 100;
-
-// 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;
-}
-
-// Returns a vectorized version of the Cast icon. The icon's interior region is
-// filled in if |is_casting| is true.
-gfx::ImageSkia GetCastIconForSystemMenu(bool is_casting) {
-  return gfx::CreateVectorIcon(
-      kSystemMenuCastIcon, is_casting ? kMenuIconColor : SK_ColorTRANSPARENT);
-}
-
-}  // 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:
-  explicit CastSelectDefaultView(SystemTrayItem* owner);
-  ~CastSelectDefaultView() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CastSelectDefaultView);
-};
-
-CastSelectDefaultView::CastSelectDefaultView(SystemTrayItem* owner)
-    : TrayItemMore(owner) {
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-
-  // Update the image and label.
-  if (MaterialDesignController::IsSystemTrayMenuMaterial())
-    SetImage(GetCastIconForSystemMenu(false));
-  else
-    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 ScreenStatusView {
- public:
-  CastCastView();
-  ~CastCastView() override;
-
-  void StopCasting();
-
-  const std::string& displayed_route_id() const { return displayed_route_->id; }
-
-  // Updates the label for the stop view to include information about the
-  // current device that is being casted.
-  void UpdateLabel(const std::vector<mojom::SinkAndRoutePtr>& sinks_routes);
-
- private:
-  // 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.
-  mojom::CastRoutePtr displayed_route_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastCastView);
-};
-
-CastCastView::CastCastView()
-    : ScreenStatusView(
-          nullptr,
-          l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_CAST_CAST_UNKNOWN),
-          l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_CAST_STOP)) {
-  if (MaterialDesignController::IsSystemTrayMenuMaterial()) {
-    icon()->SetImage(GetCastIconForSystemMenu(true));
-  } else {
-    ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-    icon()->SetImage(
-        bundle.GetImageNamed(IDR_AURA_UBER_TRAY_CAST_ENABLED).ToImageSkia());
-  }
-}
-
-CastCastView::~CastCastView() {}
-
-void CastCastView::StopCasting() {
-  WmShell::Get()->cast_config()->StopCasting(displayed_route_.Clone());
-  WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_CAST_STOP_CAST);
-}
-
-void CastCastView::UpdateLabel(
-    const std::vector<mojom::SinkAndRoutePtr>& sinks_routes) {
-  for (auto& i : sinks_routes) {
-    const mojom::CastSinkPtr& sink = i->sink;
-    const mojom::CastRoutePtr& route = i->route;
-
-    // We only want to display casts that came from this machine, since on a
-    // busy network many other people could be casting.
-    if (!route->id.empty() && route->is_local_source) {
-      displayed_route_ = route.Clone();
-
-      // 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).
-      switch (route->content_source) {
-        case ash::mojom::ContentSource::UNKNOWN:
-          label()->SetText(
-              l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_CAST_CAST_UNKNOWN));
-          stop_button()->SetAccessibleName(l10n_util::GetStringUTF16(
-              IDS_ASH_STATUS_TRAY_CAST_CAST_UNKNOWN_ACCESSIBILITY_STOP));
-          break;
-        case ash::mojom::ContentSource::TAB:
-          label()->SetText(ElideString(l10n_util::GetStringFUTF16(
-              IDS_ASH_STATUS_TRAY_CAST_CAST_TAB,
-              base::UTF8ToUTF16(route->title), base::UTF8ToUTF16(sink->name))));
-          stop_button()->SetAccessibleName(
-              ElideString(l10n_util::GetStringFUTF16(
-                  IDS_ASH_STATUS_TRAY_CAST_CAST_TAB_ACCESSIBILITY_STOP,
-                  base::UTF8ToUTF16(route->title),
-                  base::UTF8ToUTF16(sink->name))));
-          break;
-        case ash::mojom::ContentSource::DESKTOP:
-          label()->SetText(ElideString(
-              l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_CAST_CAST_DESKTOP,
-                                         base::UTF8ToUTF16(sink->name))));
-          stop_button()->SetAccessibleName(
-              ElideString(l10n_util::GetStringFUTF16(
-                  IDS_ASH_STATUS_TRAY_CAST_CAST_DESKTOP_ACCESSIBILITY_STOP,
-                  base::UTF8ToUTF16(sink->name))));
-          break;
-      }
-
-      PreferredSizeChanged();
-      Layout();
-      // Only need to update labels once.
-      break;
-    }
-  }
-}
-
-void CastCastView::ButtonPressed(views::Button* sender,
-                                 const ui::Event& event) {
-  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 enabled,
-                 const std::vector<mojom::SinkAndRoutePtr>& sinks_routes);
-  ~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 enabled,
-    const std::vector<mojom::SinkAndRoutePtr>& sinks_routes) {
-  select_view_ = new CastSelectDefaultView(owner);
-  select_view_->SetEnabled(enabled);
-  cast_view_ = new CastCastView();
-  cast_view_->UpdateLabel(sinks_routes);
-  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;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CastTrayView);
-};
-
-CastTrayView::CastTrayView(SystemTrayItem* tray_item)
-    : TrayItemView(tray_item) {
-  CreateImageView();
-  if (MaterialDesignController::UseMaterialDesignSystemIcons()) {
-    image_view()->SetImage(
-        gfx::CreateVectorIcon(kSystemTrayCastIcon, kTrayIconColor));
-  } else {
-    image_view()->SetImage(ui::ResourceBundle::GetSharedInstance()
-                               .GetImageNamed(IDR_AURA_UBER_TRAY_SCREENSHARE)
-                               .ToImageSkia());
-  }
-}
-
-CastTrayView::~CastTrayView() {}
-
-// 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:
-  CastDetailedView(SystemTrayItem* owner,
-                   const std::vector<mojom::SinkAndRoutePtr>& sinks_and_routes);
-  ~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 std::vector<mojom::SinkAndRoutePtr>& sinks_routes);
-
- private:
-  void CreateItems();
-
-  void UpdateReceiverListFromCachedData();
-  views::View* AddToReceiverList(const mojom::SinkAndRoutePtr& sink_route);
-
-  // TrayDetailsView:
-  void HandleViewClicked(views::View* view) override;
-
-  // A mapping from the receiver id to the receiver/activity data.
-  std::map<std::string, ash::mojom::SinkAndRoutePtr> sinks_and_routes_;
-  // A mapping from the view pointer to the associated activity id.
-  std::map<views::View*, ash::mojom::CastSinkPtr> view_to_sink_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastDetailedView);
-};
-
-CastDetailedView::CastDetailedView(
-    SystemTrayItem* owner,
-    const std::vector<mojom::SinkAndRoutePtr>& sinks_routes)
-    : TrayDetailsView(owner) {
-  CreateItems();
-  UpdateReceiverList(sinks_routes);
-}
-
-CastDetailedView::~CastDetailedView() {}
-
-void CastDetailedView::SimulateViewClickedForTest(
-    const std::string& receiver_id) {
-  for (const auto& it : view_to_sink_map_) {
-    if (it.second->id == receiver_id) {
-      HandleViewClicked(it.first);
-      break;
-    }
-  }
-}
-
-void CastDetailedView::CreateItems() {
-  CreateScrollableList();
-  CreateTitleRow(IDS_ASH_STATUS_TRAY_CAST);
-}
-
-void CastDetailedView::UpdateReceiverList(
-    const std::vector<mojom::SinkAndRoutePtr>& sinks_routes) {
-  // Add/update existing.
-  for (const auto& it : sinks_routes)
-    sinks_and_routes_[it->sink->id] = it->Clone();
-
-  // Remove non-existent sinks. Removing an element invalidates all existing
-  // iterators.
-  auto i = sinks_and_routes_.begin();
-  while (i != sinks_and_routes_.end()) {
-    bool has_receiver = false;
-    for (auto& receiver : sinks_routes) {
-      if (i->first == receiver->sink->id)
-        has_receiver = true;
-    }
-
-    if (has_receiver)
-      ++i;
-    else
-      i = sinks_and_routes_.erase(i);
-  }
-
-  // Update UI.
-  UpdateReceiverListFromCachedData();
-  Layout();
-}
-
-void CastDetailedView::UpdateReceiverListFromCachedData() {
-  // Remove all of the existing views.
-  view_to_sink_map_.clear();
-  scroll_content()->RemoveAllChildViews(true);
-
-  // Add a view for each receiver.
-  for (auto& it : sinks_and_routes_) {
-    const ash::mojom::SinkAndRoutePtr& sink_route = it.second;
-    views::View* container = AddToReceiverList(sink_route);
-    view_to_sink_map_[container] = sink_route->sink.Clone();
-  }
-
-  scroll_content()->SizeToPreferredSize();
-  scroller()->Layout();
-}
-
-views::View* CastDetailedView::AddToReceiverList(
-    const ash::mojom::SinkAndRoutePtr& sink_route) {
-  const gfx::ImageSkia image =
-      MaterialDesignController::IsSystemTrayMenuMaterial()
-          ? gfx::CreateVectorIcon(kSystemMenuCastDeviceIcon, kMenuIconColor)
-          : *ui::ResourceBundle::GetSharedInstance()
-                 .GetImageNamed(IDR_AURA_UBER_TRAY_CAST_DEVICE_ICON)
-                 .ToImageSkia();
-
-  HoverHighlightView* container = new HoverHighlightView(this);
-  container->AddIconAndLabelCustomSize(
-      image, base::UTF8ToUTF16(sink_route->sink->name), false,
-      kTrayPopupDetailsIconWidth, kTrayPopupPaddingHorizontal,
-      kTrayPopupPaddingBetweenItems);
-
-  scroll_content()->AddChildView(container);
-  return container;
-}
-
-void CastDetailedView::HandleViewClicked(views::View* view) {
-  // Find the receiver we are going to cast to.
-  auto it = view_to_sink_map_.find(view);
-  if (it != view_to_sink_map_.end()) {
-    WmShell::Get()->cast_config()->CastToSink(it->second.Clone());
-    WmShell::Get()->RecordUserMetricsAction(
-        UMA_STATUS_AREA_DETAILED_CAST_VIEW_LAUNCH_CAST);
-  }
-}
-
-}  // namespace tray
-
-TrayCast::TrayCast(SystemTray* system_tray)
-    : SystemTrayItem(system_tray, UMA_CAST) {
-  WmShell::Get()->AddShellObserver(this);
-  WmShell::Get()->cast_config()->AddObserver(this);
-  WmShell::Get()->cast_config()->RequestDeviceRefresh();
-}
-
-TrayCast::~TrayCast() {
-  WmShell::Get()->cast_config()->RemoveObserver(this);
-  WmShell::Get()->RemoveShellObserver(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_route_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(HasActiveRoute());
-  return tray_;
-}
-
-views::View* TrayCast::CreateDefaultView(LoginStatus status) {
-  CHECK(default_ == nullptr);
-
-  default_ = new tray::CastDuplexView(this, status != LoginStatus::LOCKED,
-                                      sinks_and_routes_);
-  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, sinks_and_routes_);
-  return detailed_;
-}
-
-void TrayCast::DestroyTrayView() {
-  tray_ = nullptr;
-}
-
-void TrayCast::DestroyDefaultView() {
-  default_ = nullptr;
-}
-
-void TrayCast::DestroyDetailedView() {
-  detailed_ = nullptr;
-}
-
-void TrayCast::OnDevicesUpdated(std::vector<mojom::SinkAndRoutePtr> devices) {
-  sinks_and_routes_ = std::move(devices);
-  UpdatePrimaryView();
-
-  if (default_) {
-    bool has_receivers = !sinks_and_routes_.empty();
-    default_->SetVisible(has_receivers);
-    default_->cast_view()->UpdateLabel(sinks_and_routes_);
-  }
-  if (detailed_)
-    detailed_->UpdateReceiverList(sinks_and_routes_);
-}
-
-void TrayCast::UpdatePrimaryView() {
-  if (WmShell::Get()->cast_config()->Connected() &&
-      !sinks_and_routes_.empty()) {
-    if (default_) {
-      if (HasActiveRoute())
-        default_->ActivateCastView();
-      else
-        default_->ActivateSelectView();
-    }
-
-    if (tray_)
-      tray_->SetVisible(is_mirror_casting_);
-  } else {
-    if (default_)
-      default_->SetVisible(false);
-    if (tray_)
-      tray_->SetVisible(false);
-  }
-}
-
-bool TrayCast::HasActiveRoute() {
-  for (const auto& sr : sinks_and_routes_) {
-    if (!sr->route->title.empty() && sr->route->is_local_source)
-      return true;
-  }
-
-  return false;
-}
-
-void TrayCast::OnCastingSessionStartedOrStopped(bool started) {
-  is_mirror_casting_ = started;
-  UpdatePrimaryView();
-}
-
-}  // namespace ash