ash/system/tray/media_security/multi_profile_media_tray_item.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/system/tray/media_security/multi_profile_media_tray_item.h"
   6
   7 #include "ash/ash_view_ids.h"
   8 #include "ash/media_delegate.h"
   9 #include "ash/session/session_state_delegate.h"
  10 #include "ash/shell.h"
  11 #include "ash/system/tray/media_security/media_capture_observer.h"
  12 #include "ash/system/tray/system_tray_notifier.h"
  13 #include "ash/system/tray/tray_item_view.h"
  14 #include "grit/ash_resources.h"
  15 #include "ui/base/resource/resource_bundle.h"
  16 #include "ui/views/controls/image_view.h"
  17 #include "ui/views/layout/fill_layout.h"
  18
  19 namespace ash {
  20 namespace tray {
  21
  22 class MultiProfileMediaTrayView : public TrayItemView,
  23                                   public MediaCaptureObserver {
  24  public:
  25   explicit MultiProfileMediaTrayView(SystemTrayItem* system_tray_item)
  26       : TrayItemView(system_tray_item) {
  27     SetLayoutManager(new views::FillLayout);
  28     views::ImageView* icon = new views::ImageView;
  29     ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
  30     icon->SetImage(
  31         bundle.GetImageNamed(IDR_AURA_UBER_TRAY_RECORDING).ToImageSkia());
  32     AddChildView(icon);
  33     OnMediaCaptureChanged();
  34     Shell::GetInstance()->system_tray_notifier()->AddMediaCaptureObserver(this);
  35     set_id(VIEW_ID_MEDIA_TRAY_VIEW);
  36   }
  37
  38   ~MultiProfileMediaTrayView() override {
  39     Shell::GetInstance()->system_tray_notifier()->RemoveMediaCaptureObserver(
  40         this);
  41   }
  42
  43   // MediaCaptureObserver:
  44   void OnMediaCaptureChanged() override {
  45     MediaDelegate* media_delegate = Shell::GetInstance()->media_delegate();
  46     SessionStateDelegate* session_state_delegate =
  47         Shell::GetInstance()->session_state_delegate();
  48     // The user at 0 is the current desktop user.
  49     for (MultiProfileIndex index = 1;
  50          index < session_state_delegate->NumberOfLoggedInUsers();
  51          ++index) {
  52       content::BrowserContext* context =
  53           session_state_delegate->GetBrowserContextByIndex(index);
  54       if (media_delegate->GetMediaCaptureState(context) != MEDIA_CAPTURE_NONE) {
  55         SetVisible(true);
  56         return;
  57       }
  58     }
  59     SetVisible(false);
  60   }
  61
  62  private:
  63   DISALLOW_COPY_AND_ASSIGN(MultiProfileMediaTrayView);
  64 };
  65
  66 }  // namespace tray
  67
  68 MultiProfileMediaTrayItem::MultiProfileMediaTrayItem(SystemTray* system_tray)
  69     : SystemTrayItem(system_tray), tray_view_(NULL) {
  70 }
  71
  72 MultiProfileMediaTrayItem::~MultiProfileMediaTrayItem() {
  73 }
  74
  75 views::View* MultiProfileMediaTrayItem::CreateTrayView(
  76     user::LoginStatus status) {
  77   tray_view_ = new tray::MultiProfileMediaTrayView(this);
  78   return tray_view_;
  79 }
  80
  81 void MultiProfileMediaTrayItem::DestroyTrayView() {
  82   tray_view_ = NULL;
  83 }
  84
  85 }  // namespace ash