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Diffstat (limited to 'chromium/ash/system/tray_accessibility.cc')
| -rw-r--r-- | chromium/ash/system/tray_accessibility.cc | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/chromium/ash/system/tray_accessibility.cc b/chromium/ash/system/tray_accessibility.cc deleted file mode 100644 index 8b1902df5e6..00000000000 --- a/chromium/ash/system/tray_accessibility.cc +++ /dev/null @@ -1,396 +0,0 @@ -// 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/accessibility_delegate.h" -#include "ash/metrics/user_metrics_recorder.h" -#include "ash/shell.h" -#include "ash/system/tray/hover_highlight_view.h" -#include "ash/system/tray/system_tray.h" -#include "ash/system/tray/system_tray_delegate.h" -#include "ash/system/tray/system_tray_notifier.h" -#include "ash/system/tray/tray_constants.h" -#include "ash/system/tray/tray_details_view.h" -#include "ash/system/tray/tray_item_more.h" -#include "ash/system/tray/tray_notification_view.h" -#include "ash/system/tray/tray_popup_label_button.h" -#include "grit/ash_resources.h" -#include "grit/ash_strings.h" -#include "ui/base/l10n/l10n_util.h" -#include "ui/base/resource/resource_bundle.h" -#include "ui/gfx/image/image.h" -#include "ui/views/controls/image_view.h" -#include "ui/views/controls/label.h" -#include "ui/views/layout/box_layout.h" -#include "ui/views/widget/widget.h" - -namespace ash { -namespace internal { - -namespace { - -enum AccessibilityState { - A11Y_NONE = 0, - A11Y_SPOKEN_FEEDBACK = 1 << 0, - A11Y_HIGH_CONTRAST = 1 << 1, - A11Y_SCREEN_MAGNIFIER = 1 << 2, - A11Y_LARGE_CURSOR = 1 << 3, - A11Y_AUTOCLICK = 1 << 4, -}; - -uint32 GetAccessibilityState() { - AccessibilityDelegate* delegate = - Shell::GetInstance()->accessibility_delegate(); - uint32 state = A11Y_NONE; - if (delegate->IsSpokenFeedbackEnabled()) - state |= A11Y_SPOKEN_FEEDBACK; - if (delegate->IsHighContrastEnabled()) - state |= A11Y_HIGH_CONTRAST; - if (delegate->IsMagnifierEnabled()) - state |= A11Y_SCREEN_MAGNIFIER; - if (delegate->IsLargeCursorEnabled()) - state |= A11Y_LARGE_CURSOR; - if (delegate->IsAutoclickEnabled()) - state |= A11Y_AUTOCLICK; - return state; -} - -user::LoginStatus GetCurrentLoginStatus() { - return Shell::GetInstance()->system_tray_delegate()->GetUserLoginStatus(); -} - -} // namespace - -namespace tray { - -class DefaultAccessibilityView : public TrayItemMore { - public: - explicit DefaultAccessibilityView(SystemTrayItem* owner) - : TrayItemMore(owner, true) { - ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance(); - SetImage(bundle.GetImageNamed(IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK). - ToImageSkia()); - base::string16 label = bundle.GetLocalizedString( - IDS_ASH_STATUS_TRAY_ACCESSIBILITY); - SetLabel(label); - SetAccessibleName(label); - } - - virtual ~DefaultAccessibilityView() { - } - - private: - DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityView); -}; - -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), - large_cursor_view_(NULL), - help_view_(NULL), - settings_view_(NULL), - autoclick_view_(NULL), - spoken_feedback_enabled_(false), - high_contrast_enabled_(false), - screen_magnifier_enabled_(false), - large_cursor_enabled_(false), - autoclick_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(); - - AccessibilityDelegate* delegate = - Shell::GetInstance()->accessibility_delegate(); - spoken_feedback_enabled_ = 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_); - - // Large Cursor item is shown only in Login screen. - if (login_ == user::LOGGED_IN_NONE) { - large_cursor_enabled_ = delegate->IsLargeCursorEnabled(); - large_cursor_view_ = AddScrollListItem( - bundle.GetLocalizedString( - IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LARGE_CURSOR), - large_cursor_enabled_ ? gfx::Font::BOLD : gfx::Font::NORMAL, - large_cursor_enabled_); - } - - high_contrast_enabled_ = 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_ = delegate->IsMagnifierEnabled(); - 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_); - - // Don't show autoclick option at login screen. - if (login_ != user::LOGGED_IN_NONE) { - autoclick_enabled_ = delegate->IsAutoclickEnabled(); - autoclick_view_ = AddScrollListItem( - bundle.GetLocalizedString( - IDS_ASH_STATUS_TRAY_ACCESSIBILITY_AUTOCLICK), - autoclick_enabled_ ? gfx::Font::BOLD : gfx::Font::NORMAL, - autoclick_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; - - TrayPopupLabelButton* settings = new TrayPopupLabelButton( - this, - bundle.GetLocalizedString( - IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SETTINGS)); - bottom_row->AddChildView(settings); - settings_view_ = settings; - - AddChildView(bottom_row); -} - -HoverHighlightView* AccessibilityDetailedView::AddScrollListItem( - const base::string16& text, - gfx::Font::FontStyle style, - bool checked) { - HoverHighlightView* container = new HoverHighlightView(this); - container->AddCheckableLabel(text, style, checked); - scroll_content()->AddChildView(container); - return container; -} - -void AccessibilityDetailedView::OnViewClicked(views::View* sender) { - AccessibilityDelegate* delegate = - Shell::GetInstance()->accessibility_delegate(); - if (sender == footer()->content()) { - TransitionToDefaultView(); - } else if (sender == spoken_feedback_view_) { - Shell::GetInstance()->metrics()->RecordUserMetricsAction( - delegate->IsSpokenFeedbackEnabled() ? - ash::UMA_STATUS_AREA_DISABLE_SPOKEN_FEEDBACK : - ash::UMA_STATUS_AREA_ENABLE_SPOKEN_FEEDBACK); - delegate->ToggleSpokenFeedback(ash::A11Y_NOTIFICATION_NONE); - } else if (sender == high_contrast_view_) { - Shell::GetInstance()->metrics()->RecordUserMetricsAction( - delegate->IsHighContrastEnabled() ? - ash::UMA_STATUS_AREA_DISABLE_HIGH_CONTRAST : - ash::UMA_STATUS_AREA_ENABLE_HIGH_CONTRAST); - delegate->ToggleHighContrast(); - } else if (sender == screen_magnifier_view_) { - Shell::GetInstance()->metrics()->RecordUserMetricsAction( - delegate->IsMagnifierEnabled() ? - ash::UMA_STATUS_AREA_DISABLE_MAGNIFIER : - ash::UMA_STATUS_AREA_ENABLE_MAGNIFIER); - delegate->SetMagnifierEnabled(!delegate->IsMagnifierEnabled()); - } else if (large_cursor_view_ && sender == large_cursor_view_) { - Shell::GetInstance()->metrics()->RecordUserMetricsAction( - delegate->IsLargeCursorEnabled() ? - ash::UMA_STATUS_AREA_DISABLE_LARGE_CURSOR : - ash::UMA_STATUS_AREA_ENABLE_LARGE_CURSOR); - delegate->SetLargeCursorEnabled(!delegate->IsLargeCursorEnabled()); - } else if (autoclick_view_ && sender == autoclick_view_) { - Shell::GetInstance()->metrics()->RecordUserMetricsAction( - delegate->IsAutoclickEnabled() ? - ash::UMA_STATUS_AREA_DISABLE_AUTO_CLICK : - ash::UMA_STATUS_AREA_ENABLE_AUTO_CLICK); - delegate->SetAutoclickEnabled(!delegate->IsAutoclickEnabled()); - } -} - -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(); - else if (sender == settings_view_) - tray_delegate->ShowAccessibilitySettings(); -} - -} // namespace tray - -//////////////////////////////////////////////////////////////////////////////// -// ash::internal::TrayAccessibility - -TrayAccessibility::TrayAccessibility(SystemTray* system_tray) - : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_ACCESSIBILITY), - default_(NULL), - detailed_popup_(NULL), - detailed_menu_(NULL), - request_popup_view_(false), - tray_icon_visible_(false), - login_(GetCurrentLoginStatus()), - previous_accessibility_state_(GetAccessibilityState()), - show_a11y_menu_on_lock_screen_(true) { - 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); - - // 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. - AccessibilityDelegate* delegate = - Shell::GetInstance()->accessibility_delegate(); - if (login_ != user::LOGGED_IN_NONE && - !delegate->ShouldShowAccessibilityMenu() && - // On login screen, keeps the initial visibility of the menu. - (status != user::LOGGED_IN_LOCKED || !show_a11y_menu_on_lock_screen_)) - return NULL; - - CHECK(default_ == NULL); - default_ = new tray::DefaultAccessibilityView(this); - - return default_; -} - -views::View* TrayAccessibility::CreateDetailedView(user::LoginStatus status) { - CHECK(detailed_popup_ == NULL); - CHECK(detailed_menu_ == NULL); - - if (request_popup_view_) { - detailed_popup_ = new tray::AccessibilityPopupView(this); - request_popup_view_ = false; - return detailed_popup_; - } else { - Shell::GetInstance()->metrics()->RecordUserMetricsAction( - ash::UMA_STATUS_AREA_DETAILED_ACCESSABILITY); - detailed_menu_ = CreateDetailedMenu(); - return detailed_menu_; - } -} - -void TrayAccessibility::DestroyDefaultView() { - default_ = NULL; -} - -void TrayAccessibility::DestroyDetailedView() { - detailed_popup_ = NULL; - detailed_menu_ = NULL; -} - -void TrayAccessibility::UpdateAfterLoginStatusChange(user::LoginStatus status) { - // Stores the a11y feature status on just entering the lock screen. - if (login_ != user::LOGGED_IN_LOCKED && status == user::LOGGED_IN_LOCKED) - show_a11y_menu_on_lock_screen_ = (GetAccessibilityState() != A11Y_NONE); - - login_ = status; - SetTrayIconVisible(GetInitialVisibility()); -} - -void TrayAccessibility::OnAccessibilityModeChanged( - AccessibilityNotificationVisibility notify) { - 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_popup_) - detailed_popup_->GetWidget()->Close(); - if (detailed_menu_) - detailed_menu_->GetWidget()->Close(); - } - - previous_accessibility_state_ = accessibility_state; -} - -} // namespace internal -} // namespace ash |