src/ash/system/chromeos/tray_tracing.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/tray_tracing.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/system/tray/actionable_view.h"
   9 #include "ash/system/tray/fixed_sized_image_view.h"
  10 #include "ash/system/tray/system_tray.h"
  11 #include "ash/system/tray/system_tray_delegate.h"
  12 #include "ash/system/tray/system_tray_notifier.h"
  13 #include "ash/system/tray/tray_constants.h"
  14 #include "grit/ash_resources.h"
  15 #include "grit/ash_strings.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17 #include "ui/base/resource/resource_bundle.h"
  18 #include "ui/gfx/image/image.h"
  19 #include "ui/views/controls/image_view.h"
  20 #include "ui/views/controls/label.h"
  21 #include "ui/views/layout/box_layout.h"
  22
  23 namespace ash {
  24 namespace internal {
  25
  26 namespace tray {
  27
  28 class DefaultTracingView : public internal::ActionableView {
  29  public:
  30   DefaultTracingView() {
  31     SetLayoutManager(new views::BoxLayout(
  32         views::BoxLayout::kHorizontal,
  33         kTrayPopupPaddingHorizontal, 0,
  34         kTrayPopupPaddingBetweenItems));
  35
  36     ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
  37     image_ = new internal::FixedSizedImageView(0, kTrayPopupItemHeight);
  38     image_->SetImage(
  39         bundle.GetImageNamed(IDR_AURA_UBER_TRAY_TRACING).ToImageSkia());
  40     AddChildView(image_);
  41
  42     label_ = new views::Label();
  43     label_->SetMultiLine(true);
  44     label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  45     label_->SetText(bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_TRACING));
  46     AddChildView(label_);
  47   }
  48
  49   virtual ~DefaultTracingView() {}
  50
  51  private:
  52   // Overridden from ActionableView.
  53   virtual bool PerformAction(const ui::Event& event) OVERRIDE {
  54     Shell::GetInstance()->system_tray_delegate()->ShowChromeSlow();
  55     return true;
  56   }
  57
  58   views::ImageView* image_;
  59   views::Label* label_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(DefaultTracingView);
  62 };
  63
  64 }  // namespace tray
  65
  66 ////////////////////////////////////////////////////////////////////////////////
  67 // ash::internal::TrayTracing
  68
  69 TrayTracing::TrayTracing(SystemTray* system_tray)
  70     : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_TRACING),
  71       default_(NULL) {
  72   DCHECK(Shell::GetInstance()->delegate());
  73   DCHECK(system_tray);
  74   Shell::GetInstance()->system_tray_notifier()->AddTracingObserver(this);
  75 }
  76
  77 TrayTracing::~TrayTracing() {
  78   Shell::GetInstance()->system_tray_notifier()->RemoveTracingObserver(this);
  79 }
  80
  81 void TrayTracing::SetTrayIconVisible(bool visible) {
  82   if (tray_view())
  83     tray_view()->SetVisible(visible);
  84 }
  85
  86 bool TrayTracing::GetInitialVisibility() {
  87   return false;
  88 }
  89
  90 views::View* TrayTracing::CreateDefaultView(user::LoginStatus status) {
  91   CHECK(default_ == NULL);
  92   if (tray_view() && tray_view()->visible())
  93     default_ = new tray::DefaultTracingView();
  94   return default_;
  95 }
  96
  97 views::View* TrayTracing::CreateDetailedView(user::LoginStatus status) {
  98   return NULL;
  99 }
 100
 101 void TrayTracing::DestroyDefaultView() {
 102   default_ = NULL;
 103 }
 104
 105 void TrayTracing::DestroyDetailedView() {
 106 }
 107
 108 void TrayTracing::OnTracingModeChanged(bool value) {
 109   SetTrayIconVisible(value);
 110 }
 111
 112 }  // namespace internal
 113 }  // namespace ash