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      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   virtual ~MultiProfileMediaTrayView() {
     39     Shell::GetInstance()->system_tray_notifier()->RemoveMediaCaptureObserver(
     40         this);
     41   }
     42 
     43   // MediaCaptureObserver:
     44   virtual 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
     86