ash/system/chromeos/screen_security/screen_capture_tray_item.cc

   1 // Copyright 2013 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/chromeos/screen_security/screen_capture_tray_item.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/system/system_notifier.h"
   9 #include "grit/ash_resources.h"
  10 #include "grit/ash_strings.h"
  11 #include "ui/base/l10n/l10n_util.h"
  12 #include "ui/base/resource/resource_bundle.h"
  13 #include "ui/message_center/message_center.h"
  14 #include "ui/message_center/notification.h"
  15
  16 using message_center::Notification;
  17
  18 namespace ash {
  19 namespace {
  20
  21 const char kScreenCaptureNotificationId[] = "chrome://screen/capture";
  22
  23 }  // namespace
  24
  25 ScreenCaptureTrayItem::ScreenCaptureTrayItem(SystemTray* system_tray)
  26     : ScreenTrayItem(system_tray) {
  27   Shell::GetInstance()->AddShellObserver(this);
  28   Shell::GetInstance()->system_tray_notifier()->
  29       AddScreenCaptureObserver(this);
  30 }
  31
  32 ScreenCaptureTrayItem::~ScreenCaptureTrayItem() {
  33   Shell::GetInstance()->RemoveShellObserver(this);
  34   Shell::GetInstance()->system_tray_notifier()->
  35       RemoveScreenCaptureObserver(this);
  36 }
  37
  38 views::View* ScreenCaptureTrayItem::CreateTrayView(user::LoginStatus status) {
  39   set_tray_view(
  40       new tray::ScreenTrayView(this, IDR_AURA_UBER_TRAY_SCREENSHARE));
  41   return tray_view();
  42 }
  43
  44 views::View* ScreenCaptureTrayItem::CreateDefaultView(
  45     user::LoginStatus status) {
  46   set_default_view(new tray::ScreenStatusView(
  47       this,
  48       IDR_AURA_UBER_TRAY_SCREENSHARE_DARK,
  49       screen_capture_status_,
  50       l10n_util::GetStringUTF16(
  51           IDS_ASH_STATUS_TRAY_SCREEN_CAPTURE_STOP)));
  52   return default_view();
  53 }
  54
  55 void ScreenCaptureTrayItem::CreateOrUpdateNotification() {
  56   message_center::RichNotificationData data;
  57   data.buttons.push_back(message_center::ButtonInfo(
  58       l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_SCREEN_CAPTURE_STOP)));
  59   ui::ResourceBundle& resource_bundle = ui::ResourceBundle::GetSharedInstance();
  60   scoped_ptr<Notification> notification(new Notification(
  61       message_center::NOTIFICATION_TYPE_SIMPLE,
  62       kScreenCaptureNotificationId,
  63       screen_capture_status_,
  64       base::string16() /* body is blank */,
  65       resource_bundle.GetImageNamed(IDR_AURA_UBER_TRAY_SCREENSHARE_DARK),
  66       base::string16() /* display_source */,
  67       message_center::NotifierId(
  68           message_center::NotifierId::SYSTEM_COMPONENT,
  69           system_notifier::kNotifierScreenCapture),
  70       data,
  71       new tray::ScreenNotificationDelegate(this)));
  72   notification->SetSystemPriority();
  73   message_center::MessageCenter::Get()->AddNotification(notification.Pass());
  74 }
  75
  76 std::string ScreenCaptureTrayItem::GetNotificationId() {
  77   return kScreenCaptureNotificationId;
  78 }
  79
  80 void ScreenCaptureTrayItem::OnScreenCaptureStart(
  81     const base::Closure& stop_callback,
  82     const base::string16& screen_capture_status) {
  83   screen_capture_status_ = screen_capture_status;
  84
  85   // We do not want to show the screen capture tray item and the chromecast
  86   // casting tray item at the same time. We will hide this tray item.
  87   //
  88   // This suppression technique is currently dependent on the order
  89   // that OnScreenCaptureStart and OnCastingSessionStartedOrStopped
  90   // get invoked. OnCastingSessionStartedOrStopped currently gets
  91   // called first.
  92   if (is_casting_)
  93     return;
  94
  95   Start(stop_callback);
  96 }
  97
  98 void ScreenCaptureTrayItem::OnScreenCaptureStop() {
  99   // We do not need to run the stop callback when
 100   // screen capture is stopped externally.
 101   set_is_started(false);
 102   Update();
 103 }
 104
 105 void ScreenCaptureTrayItem::OnCastingSessionStartedOrStopped(bool started) {
 106   is_casting_ = started;
 107 }
 108
 109 }  // namespace ash