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// 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/tray_constants.h"
#include "ash/system/tray/tray_views.h"
#include "grit/ash_resources.h"
#include "grit/ash_strings.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 {
class DefaultAccessibilityView : public ActionableView {
public:
DefaultAccessibilityView() {
SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
kTrayPopupPaddingHorizontal,
0,
kTrayPopupPaddingBetweenItems));
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
FixedSizedImageView* image =
new FixedSizedImageView(0, kTrayPopupItemHeight);
image->SetImage(bundle.GetImageNamed(IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK).
ToImageSkia());
AddChildView(image);
string16 label = bundle.GetLocalizedString(
IDS_ASH_STATUS_TRAY_DISABLE_SPOKEN_FEEDBACK);
AddChildView(new views::Label(label));
SetAccessibleName(label);
}
virtual ~DefaultAccessibilityView() {}
protected:
// Overridden from ActionableView.
virtual bool PerformAction(const ui::Event& event) OVERRIDE {
if (Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled())
Shell::GetInstance()->delegate()->ToggleSpokenFeedback();
GetWidget()->Close();
return true;
}
private:
DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityView);
};
TrayAccessibility::TrayAccessibility()
: TrayImageItem(IDR_AURA_UBER_TRAY_ACCESSIBILITY),
default_(NULL),
detailed_(NULL) {
}
TrayAccessibility::~TrayAccessibility() {}
bool TrayAccessibility::GetInitialVisibility() {
return Shell::GetInstance()->delegate() &&
Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled();
}
views::View* TrayAccessibility::CreateDefaultView(user::LoginStatus status) {
if (!Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled())
return NULL;
CHECK(default_ == NULL);
default_ = new DefaultAccessibilityView();
return default_;
}
views::View* TrayAccessibility::CreateDetailedView(user::LoginStatus status) {
CHECK(detailed_ == NULL);
detailed_ = new views::View;
detailed_->SetLayoutManager(new
views::BoxLayout(views::BoxLayout::kHorizontal,
kTrayPopupPaddingHorizontal, 10, kTrayPopupPaddingBetweenItems));
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
views::ImageView* image = new views::ImageView;
image->SetImage(bundle.GetImageNamed(IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK).
ToImageSkia());
detailed_->AddChildView(image);
detailed_->AddChildView(new views::Label(bundle.GetLocalizedString(
IDS_ASH_STATUS_TRAY_ACCESSIBILITY_TURNED_ON_BUBBLE)));
return detailed_;
}
void TrayAccessibility::DestroyDefaultView() {
default_ = NULL;
}
void TrayAccessibility::DestroyDetailedView() {
detailed_ = NULL;
}
void TrayAccessibility::OnAccessibilityModeChanged(bool enabled) {
if (tray_view())
tray_view()->SetVisible(enabled);
if (enabled) {
PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
} else if (detailed_) {
detailed_->GetWidget()->Close();
}
}
} // namespace internal
} // namespace ash
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