A11y: Add a browser test of TrayAccessibility.

ash/system/tray_accessibility.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/system/tray_accessibility.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
@@ skipping 59 matching lines @@
     SetAccessibleName(label);
   }
 
   virtual ~DefaultAccessibilityView() {
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityView);
 };
 
-class AccessibilityDetailedView : public TrayDetailsView,
-                                  public ViewClickListener,
-                                  public views::ButtonListener,
-                                  public ShellObserver {
- public:
-  explicit AccessibilityDetailedView(SystemTrayItem* owner,
-                                     user::LoginStatus login) :
-      TrayDetailsView(owner),
-      spoken_feedback_view_(NULL),
-      high_contrast_view_(NULL),
-      screen_magnifier_view_(NULL),
-      help_view_(NULL),
-      login_(login) {
-
-    Reset();
-
-    AppendAccessibilityList();
-    AppendHelpEntries();
-    CreateSpecialRow(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_TITLE, this);
-
-    Layout();
-  }
-
-  virtual ~AccessibilityDetailedView() {
-  }
-
- private:
-  // Add the accessibility feature list.
-  void AppendAccessibilityList() {
-    CreateScrollableList();
-    ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-
-    ShellDelegate* shell_delegate = Shell::GetInstance()->delegate();
-    bool spoken_feedback_enabled = shell_delegate->IsSpokenFeedbackEnabled();
-    spoken_feedback_view_ = AddScrollListItem(
-        bundle.GetLocalizedString(
-            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SPOKEN_FEEDBACK),
-        spoken_feedback_enabled ? gfx::Font::BOLD : gfx::Font::NORMAL,
-        spoken_feedback_enabled);
-    bool high_contrast_mode_enabled = shell_delegate->IsHighContrastEnabled();
-    high_contrast_view_ = AddScrollListItem(
-        bundle.GetLocalizedString(
-            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGH_CONTRAST_MODE),
-        high_contrast_mode_enabled ? gfx::Font::BOLD : gfx::Font::NORMAL,
-        high_contrast_mode_enabled);
-    bool screen_magnifier_enabled =
-        shell_delegate->GetMagnifierType() == ash::MAGNIFIER_FULL;
-    screen_magnifier_view_ = AddScrollListItem(
-        bundle.GetLocalizedString(
-            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SCREEN_MAGNIFIER),
-        screen_magnifier_enabled ? gfx::Font::BOLD : gfx::Font::NORMAL,
-        screen_magnifier_enabled);
-  }
-
-  // Add help entries.
-  void AppendHelpEntries() {
-    // Currently the help page requires a browser window.
-    // TODO(yoshiki): show this even on login/lock screen. crbug.com/158286
-    if (login_ == user::LOGGED_IN_NONE ||
-        login_ == user::LOGGED_IN_LOCKED)
-      return;
-
-    views::View* bottom_row = new View();
-    views::BoxLayout* layout = new
-        views::BoxLayout(views::BoxLayout::kHorizontal,
-                         kTrayMenuBottomRowPadding,
-                         kTrayMenuBottomRowPadding,
-                         kTrayMenuBottomRowPaddingBetweenItems);
-    layout->set_spread_blank_space(true);
-    bottom_row->SetLayoutManager(layout);
-
-    ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-
-    TrayPopupLabelButton* help = new TrayPopupLabelButton(
-        this,
-        bundle.GetLocalizedString(
-            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LEARN_MORE));
-    bottom_row->AddChildView(help);
-    help_view_ = help;
-
-    // TODO(yoshiki): Add "Customize accessibility" button when the customize is
-    // available. crbug.com/158281
-
-    AddChildView(bottom_row);
-  }
-
-  HoverHighlightView* AddScrollListItem(const string16& text,
-                                        gfx::Font::FontStyle style,
-                                        bool checked) {
-    HoverHighlightView* container = new HoverHighlightView(this);
-    container->set_fixed_height(kTrayPopupItemHeight);
-    container->AddCheckableLabel(text, style, checked);
-    scroll_content()->AddChildView(container);
-    return container;
-  }
-
-  // Overridden from ViewClickListener.
-  virtual void ClickedOn(views::View* sender) OVERRIDE {
-    ShellDelegate* shell_delegate = Shell::GetInstance()->delegate();
-    if (sender == footer()->content()) {
-      owner()->system_tray()->ShowDefaultView(BUBBLE_USE_EXISTING);
-    } else if (sender == spoken_feedback_view_) {
-      shell_delegate->ToggleSpokenFeedback(A11Y_NOTIFICATION_NONE);
-    } else if (sender == high_contrast_view_) {
-      shell_delegate->ToggleHighContrast();
-    } else if (sender == screen_magnifier_view_) {
-      bool screen_magnifier_enabled =
-          shell_delegate->GetMagnifierType() == ash::MAGNIFIER_FULL;
-      shell_delegate->SetMagnifier(
-          screen_magnifier_enabled ? ash::MAGNIFIER_OFF : ash::MAGNIFIER_FULL);
-    }
-  }
-
-  // Overridden from ButtonListener.
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) OVERRIDE {
-    SystemTrayDelegate* tray_delegate =
-        Shell::GetInstance()->system_tray_delegate();
-    if (sender == help_view_)
-      tray_delegate->ShowAccessibilityHelp();
-  }
-
-  views::View* spoken_feedback_view_;
-  views::View* high_contrast_view_;
-  views::View* screen_magnifier_view_;;
-  views::View* help_view_;
-  user::LoginStatus login_;
-
-  DISALLOW_COPY_AND_ASSIGN(AccessibilityDetailedView);
-};
-
 class AccessibilityPopupView : public TrayNotificationView {
  public:
   AccessibilityPopupView(SystemTrayItem* owner)
       : TrayNotificationView(owner, IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK) {
     InitView(GetLabel());
   }
 
  private:
   views::Label* GetLabel() {
     views::Label* label = new views::Label(
         l10n_util::GetStringUTF16(
             IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_ENABLED_BUBBLE));
     label->SetMultiLine(true);
     label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
     return label;
   }
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityPopupView);
 };
 
+////////////////////////////////////////////////////////////////////////////////
+// ash::internal::tray::AccessibilityDetailedView
+
+AccessibilityDetailedView::AccessibilityDetailedView(
+    SystemTrayItem* owner, user::LoginStatus login) :
+        TrayDetailsView(owner),
+        spoken_feedback_view_(NULL),
+        high_contrast_view_(NULL),
+        screen_magnifier_view_(NULL),
+        help_view_(NULL),
+        spoken_feedback_enabled_(false),
+        high_contrast_enabled_(false),
+        screen_magnifier_enabled_(false),
+        login_(login) {
+
+  Reset();
+
+  AppendAccessibilityList();
+  AppendHelpEntries();
+  CreateSpecialRow(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_TITLE, this);
+
+  Layout();
+}
+
+void AccessibilityDetailedView::AppendAccessibilityList() {
+  CreateScrollableList();
+  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
+
+  ShellDelegate* shell_delegate = Shell::GetInstance()->delegate();
+  spoken_feedback_enabled_ = shell_delegate->IsSpokenFeedbackEnabled();
+  spoken_feedback_view_ = AddScrollListItem(
+      bundle.GetLocalizedString(
+          IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SPOKEN_FEEDBACK),
+      spoken_feedback_enabled_ ? gfx::Font::BOLD : gfx::Font::NORMAL,
+      spoken_feedback_enabled_);
+  high_contrast_enabled_ = shell_delegate->IsHighContrastEnabled();
+  high_contrast_view_ = AddScrollListItem(
+      bundle.GetLocalizedString(
+          IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGH_CONTRAST_MODE),
+      high_contrast_enabled_ ? gfx::Font::BOLD : gfx::Font::NORMAL,
+      high_contrast_enabled_);
+  screen_magnifier_enabled_ =
+      shell_delegate->GetMagnifierType() == ash::MAGNIFIER_FULL;
+  screen_magnifier_view_ = AddScrollListItem(
+      bundle.GetLocalizedString(
+          IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SCREEN_MAGNIFIER),
+      screen_magnifier_enabled_ ? gfx::Font::BOLD : gfx::Font::NORMAL,
+      screen_magnifier_enabled_);
+}
+
+void AccessibilityDetailedView::AppendHelpEntries() {
+  // Currently the help page requires a browser window.
+  // TODO(yoshiki): show this even on login/lock screen. crbug.com/158286
+  if (login_ == user::LOGGED_IN_NONE ||
+      login_ == user::LOGGED_IN_LOCKED)
+    return;
+
+  views::View* bottom_row = new View();
+  views::BoxLayout* layout = new
+      views::BoxLayout(views::BoxLayout::kHorizontal,
+                       kTrayMenuBottomRowPadding,
+                       kTrayMenuBottomRowPadding,
+                       kTrayMenuBottomRowPaddingBetweenItems);
+  layout->set_spread_blank_space(true);
+  bottom_row->SetLayoutManager(layout);
+
+  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
+
+  TrayPopupLabelButton* help = new TrayPopupLabelButton(
+      this,
+      bundle.GetLocalizedString(
+          IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LEARN_MORE));
+  bottom_row->AddChildView(help);
+  help_view_ = help;
+
+  // TODO(yoshiki): Add "Customize accessibility" button when the customize is
+  // available. crbug.com/158281
+
+  AddChildView(bottom_row);
+}
+
+HoverHighlightView* AccessibilityDetailedView::AddScrollListItem(
+    const string16& text,
+    gfx::Font::FontStyle style,
+    bool checked) {
+  HoverHighlightView* container = new HoverHighlightView(this);
+  container->set_fixed_height(kTrayPopupItemHeight);
+  container->AddCheckableLabel(text, style, checked);
+  scroll_content()->AddChildView(container);
+  return container;
+}
+
+void AccessibilityDetailedView::ClickedOn(views::View* sender) {
+  ShellDelegate* shell_delegate = Shell::GetInstance()->delegate();
+  if (sender == footer()->content()) {
+    owner()->system_tray()->ShowDefaultView(BUBBLE_USE_EXISTING);
+  } else if (sender == spoken_feedback_view_) {
+    shell_delegate->ToggleSpokenFeedback(ash::A11Y_NOTIFICATION_NONE);
+  } else if (sender == high_contrast_view_) {
+    shell_delegate->ToggleHighContrast();
+  } else if (sender == screen_magnifier_view_) {
+    bool screen_magnifier_enabled =
+        shell_delegate->GetMagnifierType() == ash::MAGNIFIER_FULL;
+    shell_delegate->SetMagnifier(
+        screen_magnifier_enabled ? ash::MAGNIFIER_OFF : ash::MAGNIFIER_FULL);
+  }
+}
+
+void AccessibilityDetailedView::ButtonPressed(views::Button* sender,
+                                              const ui::Event& event) {
+  SystemTrayDelegate* tray_delegate =
+      Shell::GetInstance()->system_tray_delegate();
+  if (sender == help_view_)
+    tray_delegate->ShowAccessibilityHelp();
+}
+
 }  // namespace tray
 
+////////////////////////////////////////////////////////////////////////////////
+// ash::internal::TrayAccessibility
 
 TrayAccessibility::TrayAccessibility(SystemTray* system_tray)
     : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_ACCESSIBILITY),
       default_(NULL),
-      detailed_(NULL),
+      detailed_popup_(NULL),
+      detailed_menu_(NULL),
       request_popup_view_(false),
+      tray_icon_visible_(false),
       login_(GetCurrentLoginStatus()),
       previous_accessibility_state_(GetAccessibilityState()) {
   DCHECK(Shell::GetInstance()->delegate());
   DCHECK(system_tray);
   Shell::GetInstance()->system_tray_notifier()->AddAccessibilityObserver(this);
 }
 
 TrayAccessibility::~TrayAccessibility() {
   Shell::GetInstance()->system_tray_notifier()->
       RemoveAccessibilityObserver(this);
 }
 
+void TrayAccessibility::SetTrayIconVisible(bool visible) {
+  if (tray_view())
+    tray_view()->SetVisible(visible);
+  tray_icon_visible_ = visible;
+}
+
+tray::AccessibilityDetailedView* TrayAccessibility::CreateDetailedMenu() {
+  return new tray::AccessibilityDetailedView(this, login_);
+}
+
 bool TrayAccessibility::GetInitialVisibility() {
   // Shows accessibility icon if any accessibility feature is enabled.
   // Otherwise, doen't show it.
   return GetAccessibilityState() != A11Y_NONE;
 }
 
 views::View* TrayAccessibility::CreateDefaultView(user::LoginStatus status) {
   CHECK(default_ == NULL);
 
   login_ = status;
 
   // Shows accessibility menu if:
   // - on login screen (not logged in);
   // - "Enable accessibility menu" on chrome://settings is checked;
   // - or any of accessibility features is enabled
   // Otherwise, not shows it.
   ShellDelegate* delegate = Shell::GetInstance()->delegate();
   if (login_ != user::LOGGED_IN_NONE &&
       !delegate->ShouldAlwaysShowAccessibilityMenu() &&
       GetAccessibilityState() == A11Y_NONE)
     return NULL;
 
   CHECK(default_ == NULL);
   default_ = new tray::DefaultAccessibilityView(this);
 
   return default_;
 }
 
 views::View* TrayAccessibility::CreateDetailedView(user::LoginStatus status) {
-  CHECK(detailed_ == NULL);
+  CHECK(detailed_popup_ == NULL);
+  CHECK(detailed_menu_ == NULL);
 
   login_ = status;
 
   if (request_popup_view_) {
-    detailed_ = new tray::AccessibilityPopupView(this);
+    detailed_popup_ = new tray::AccessibilityPopupView(this);
     request_popup_view_ = false;
+    return detailed_popup_;
   } else {
-    detailed_ = new tray::AccessibilityDetailedView(this, status);
+    detailed_menu_ = CreateDetailedMenu();
+    return detailed_menu_;
   }
-
-  return detailed_;
 }
 
 void TrayAccessibility::DestroyDefaultView() {
   default_ = NULL;
 }
 
 void TrayAccessibility::DestroyDetailedView() {
-  detailed_ = NULL;
+  detailed_popup_ = NULL;
+  detailed_menu_ = NULL;
 }
 
 void TrayAccessibility::UpdateAfterLoginStatusChange(user::LoginStatus status) {
   login_ = status;
-
-  if (tray_view())
-    tray_view()->SetVisible(GetInitialVisibility());
+  SetTrayIconVisible(GetInitialVisibility());
 }
 
 void TrayAccessibility::OnAccessibilityModeChanged(
     AccessibilityNotificationVisibility notify) {
-  if (tray_view())
-    tray_view()->SetVisible(GetInitialVisibility());
+  SetTrayIconVisible(GetInitialVisibility());
 
   uint32 accessibility_state = GetAccessibilityState();
   if ((notify == ash::A11Y_NOTIFICATION_SHOW)&&
       !(previous_accessibility_state_ & A11Y_SPOKEN_FEEDBACK) &&
       (accessibility_state & A11Y_SPOKEN_FEEDBACK)) {
     // Shows popup if |notify| is true and the spoken feedback is being enabled.
     request_popup_view_ = true;
     PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
-  } else if (detailed_) {
-    detailed_->GetWidget()->Close();
+  } else {
+    if (detailed_popup_)
+      detailed_popup_->GetWidget()->Close();
+    if (detailed_menu_)
+      detailed_menu_->GetWidget()->Close();
   }
 
   previous_accessibility_state_ = accessibility_state;
 }
 
 }  // namespace internal
 }  // namespace ash