Add palette tray to ash.

ash/common/system/status_area_widget.cc

 // 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/common/system/status_area_widget.h"
 
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/overview/overview_button_tray.h"
 #include "ash/common/system/status_area_widget_delegate.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/web_notification/web_notification_tray.h"
 #include "ash/common/wm_lookup.h"
 #include "ash/common/wm_root_window_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "base/i18n/time_formatting.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/ime_menu/ime_menu_tray.h"
+#include "ash/common/system/chromeos/palette/palette_tray.h"
 #include "ash/common/system/chromeos/session/logout_button_tray.h"
 #include "ash/common/system/chromeos/virtual_keyboard/virtual_keyboard_tray.h"
 #endif
 
 namespace ash {
 
 StatusAreaWidget::StatusAreaWidget(WmWindow* status_container,
                                    WmShelf* wm_shelf)
     : status_area_widget_delegate_(new StatusAreaWidgetDelegate),
-      overview_button_tray_(NULL),
-      system_tray_(NULL),
-      web_notification_tray_(NULL),
+      overview_button_tray_(nullptr),
+      system_tray_(nullptr),
+      web_notification_tray_(nullptr),
 #if defined(OS_CHROMEOS)
-      logout_button_tray_(NULL),
-      virtual_keyboard_tray_(NULL),
+      logout_button_tray_(nullptr),
+      palette_tray_(nullptr),
+      virtual_keyboard_tray_(nullptr),
       ime_menu_tray_(nullptr),
 #endif
       login_status_(LoginStatus::NOT_LOGGED_IN),
       wm_shelf_(wm_shelf) {
   views::Widget::InitParams params(
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   params.delegate = status_area_widget_delegate_;
   params.name = "StatusAreaWidget";
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   status_container->GetRootWindowController()
       ->ConfigureWidgetInitParamsForContainer(
           this, status_container->GetShellWindowId(), &params);
   Init(params);
   set_focus_on_creation(false);
   SetContentsView(status_area_widget_delegate_);
 }
 
 StatusAreaWidget::~StatusAreaWidget() {}
 
 void StatusAreaWidget::CreateTrayViews() {
   AddOverviewButtonTray();
   AddSystemTray();
   AddWebNotificationTray();
 #if defined(OS_CHROMEOS)
   AddLogoutButtonTray();
+  AddPaletteTray();
   AddVirtualKeyboardTray();
   AddImeMenuTray();
 #endif
 
   SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate();
   DCHECK(delegate);
   // Initialize after all trays have been created.
   system_tray_->InitializeTrayItems(delegate, web_notification_tray_);
   web_notification_tray_->Initialize();
 #if defined(OS_CHROMEOS)
   logout_button_tray_->Initialize();
   virtual_keyboard_tray_->Initialize();
   ime_menu_tray_->Initialize();
 #endif
   overview_button_tray_->Initialize();
   SetShelfAlignment(system_tray_->shelf_alignment());
   UpdateAfterLoginStatusChange(delegate->GetUserLoginStatus());
 }
 
 void StatusAreaWidget::Shutdown() {
   system_tray_->Shutdown();
   // Destroy the trays early, causing them to be removed from the view
   // hierarchy. Do not used scoped pointers since we don't want to destroy them
   // in the destructor if Shutdown() is not called (e.g. in tests).
   delete web_notification_tray_;
-  web_notification_tray_ = NULL;
+  web_notification_tray_ = nullptr;
   // Must be destroyed after |web_notification_tray_|.
   delete system_tray_;
-  system_tray_ = NULL;
+  system_tray_ = nullptr;
 #if defined(OS_CHROMEOS)
   delete ime_menu_tray_;
   ime_menu_tray_ = nullptr;
   delete virtual_keyboard_tray_;
-  virtual_keyboard_tray_ = NULL;
+  virtual_keyboard_tray_ = nullptr;
   delete logout_button_tray_;
-  logout_button_tray_ = NULL;
+  logout_button_tray_ = nullptr;
 #endif
   delete overview_button_tray_;
-  overview_button_tray_ = NULL;
+  overview_button_tray_ = nullptr;
 }
 
 bool StatusAreaWidget::ShouldShowShelf() const {
   if ((system_tray_ && system_tray_->ShouldShowShelf()) ||
       (web_notification_tray_ &&
        web_notification_tray_->ShouldBlockShelfAutoHide()))
     return true;
 
   if (!wm_shelf_->IsVisible())
     return false;
@@ skipping 12 matching lines @@
 }
 
 void StatusAreaWidget::SchedulePaint() {
   status_area_widget_delegate_->SchedulePaint();
   web_notification_tray_->SchedulePaint();
   system_tray_->SchedulePaint();
 #if defined(OS_CHROMEOS)
   virtual_keyboard_tray_->SchedulePaint();
   logout_button_tray_->SchedulePaint();
   ime_menu_tray_->SchedulePaint();
+  palette_tray_->SchedulePaint();
 #endif
   overview_button_tray_->SchedulePaint();
 }
 
 void StatusAreaWidget::OnNativeWidgetActivationChanged(bool active) {
   Widget::OnNativeWidgetActivationChanged(active);
   if (active)
     status_area_widget_delegate_->SetPaneFocusAndFocusDefault();
 }
 
@@ skipping 18 matching lines @@
       wm_shelf_, WmLookup::Get()->GetWindowForWidget(this), system_tray_);
   status_area_widget_delegate_->AddTray(web_notification_tray_);
 }
 
 #if defined(OS_CHROMEOS)
 void StatusAreaWidget::AddLogoutButtonTray() {
   logout_button_tray_ = new LogoutButtonTray(wm_shelf_);
   status_area_widget_delegate_->AddTray(logout_button_tray_);
 }
 
+void StatusAreaWidget::AddPaletteTray() {
+  palette_tray_ = new PaletteTray(wm_shelf_);
+  status_area_widget_delegate_->AddTray(palette_tray_);
+}
+
 void StatusAreaWidget::AddVirtualKeyboardTray() {
   virtual_keyboard_tray_ = new VirtualKeyboardTray(wm_shelf_);
   status_area_widget_delegate_->AddTray(virtual_keyboard_tray_);
 }
 
 void StatusAreaWidget::AddImeMenuTray() {
   ime_menu_tray_ = new ImeMenuTray(wm_shelf_);
   status_area_widget_delegate_->AddTray(ime_menu_tray_);
 }
 #endif
 
 void StatusAreaWidget::AddOverviewButtonTray() {
   overview_button_tray_ = new OverviewButtonTray(wm_shelf_);
   status_area_widget_delegate_->AddTray(overview_button_tray_);
 }
 
 void StatusAreaWidget::SetShelfAlignment(ShelfAlignment alignment) {
   status_area_widget_delegate_->set_alignment(alignment);
   if (system_tray_)
     system_tray_->SetShelfAlignment(alignment);
   if (web_notification_tray_)
     web_notification_tray_->SetShelfAlignment(alignment);
 #if defined(OS_CHROMEOS)
   if (logout_button_tray_)
     logout_button_tray_->SetShelfAlignment(alignment);
   if (virtual_keyboard_tray_)
     virtual_keyboard_tray_->SetShelfAlignment(alignment);
   if (ime_menu_tray_)
     ime_menu_tray_->SetShelfAlignment(alignment);
+  if (palette_tray_)
+    palette_tray_->SetShelfAlignment(alignment);
 #endif
   if (overview_button_tray_)
     overview_button_tray_->SetShelfAlignment(alignment);
   status_area_widget_delegate_->UpdateLayout();
 }
 
 void StatusAreaWidget::UpdateAfterLoginStatusChange(LoginStatus login_status) {
   if (login_status_ == login_status)
     return;
   login_status_ = login_status;
   if (system_tray_)
     system_tray_->UpdateAfterLoginStatusChange(login_status);
   if (web_notification_tray_)
     web_notification_tray_->UpdateAfterLoginStatusChange(login_status);
 #if defined(OS_CHROMEOS)
   if (logout_button_tray_)
     logout_button_tray_->UpdateAfterLoginStatusChange(login_status);
 #endif
   if (overview_button_tray_)
     overview_button_tray_->UpdateAfterLoginStatusChange(login_status);
 }
 
 }  // namespace ash