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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 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
    114