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      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 tray {
     25 
     26 class DefaultTracingView : public ActionableView {
     27  public:
     28   DefaultTracingView() {
     29     SetLayoutManager(new views::BoxLayout(
     30         views::BoxLayout::kHorizontal,
     31         kTrayPopupPaddingHorizontal, 0,
     32         kTrayPopupPaddingBetweenItems));
     33 
     34     ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
     35     image_ = new FixedSizedImageView(0, kTrayPopupItemHeight);
     36     image_->SetImage(
     37         bundle.GetImageNamed(IDR_AURA_UBER_TRAY_TRACING).ToImageSkia());
     38     AddChildView(image_);
     39 
     40     label_ = new views::Label();
     41     label_->SetMultiLine(true);
     42     label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
     43     label_->SetText(bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_TRACING));
     44     AddChildView(label_);
     45   }
     46 
     47   virtual ~DefaultTracingView() {}
     48 
     49  private:
     50   // Overridden from ActionableView.
     51   virtual bool PerformAction(const ui::Event& event) OVERRIDE {
     52     Shell::GetInstance()->system_tray_delegate()->ShowChromeSlow();
     53     return true;
     54   }
     55 
     56   views::ImageView* image_;
     57   views::Label* label_;
     58 
     59   DISALLOW_COPY_AND_ASSIGN(DefaultTracingView);
     60 };
     61 
     62 }  // namespace tray
     63 
     64 ////////////////////////////////////////////////////////////////////////////////
     65 // ash::TrayTracing
     66 
     67 TrayTracing::TrayTracing(SystemTray* system_tray)
     68     : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_TRACING),
     69       default_(NULL) {
     70   DCHECK(Shell::GetInstance()->delegate());
     71   DCHECK(system_tray);
     72   Shell::GetInstance()->system_tray_notifier()->AddTracingObserver(this);
     73 }
     74 
     75 TrayTracing::~TrayTracing() {
     76   Shell::GetInstance()->system_tray_notifier()->RemoveTracingObserver(this);
     77 }
     78 
     79 void TrayTracing::SetTrayIconVisible(bool visible) {
     80   if (tray_view())
     81     tray_view()->SetVisible(visible);
     82 }
     83 
     84 bool TrayTracing::GetInitialVisibility() {
     85   return false;
     86 }
     87 
     88 views::View* TrayTracing::CreateDefaultView(user::LoginStatus status) {
     89   CHECK(default_ == NULL);
     90   if (tray_view() && tray_view()->visible())
     91     default_ = new tray::DefaultTracingView();
     92   return default_;
     93 }
     94 
     95 views::View* TrayTracing::CreateDetailedView(user::LoginStatus status) {
     96   return NULL;
     97 }
     98 
     99 void TrayTracing::DestroyDefaultView() {
    100   default_ = NULL;
    101 }
    102 
    103 void TrayTracing::DestroyDetailedView() {
    104 }
    105 
    106 void TrayTracing::OnTracingModeChanged(bool value) {
    107   SetTrayIconVisible(value);
    108 }
    109 
    110 }  // namespace ash
    111