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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_caps_lock.h"
#include "ash/caps_lock_delegate.h"
#include "ash/shell.h"
#include "ash/system/tray/actionable_view.h"
#include "ash/system/tray/fixed_sized_image_view.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/tray/tray_constants.h"
#include "grit/ash_resources.h"
#include "grit/ash_strings.h"
#include "ui/base/accessibility/accessible_view_state.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 CapsLockDefaultView : public ActionableView {
public:
CapsLockDefaultView()
: text_label_(new views::Label),
shortcut_label_(new views::Label) {
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_CAPS_LOCK_DARK).
ToImageSkia());
AddChildView(image);
text_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
AddChildView(text_label_);
shortcut_label_->SetEnabled(false);
AddChildView(shortcut_label_);
}
virtual ~CapsLockDefaultView() {}
// Updates the label text and the shortcut text.
void Update(bool caps_lock_enabled, bool search_mapped_to_caps_lock) {
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
const int text_string_id = caps_lock_enabled ?
IDS_ASH_STATUS_TRAY_CAPS_LOCK_ENABLED :
IDS_ASH_STATUS_TRAY_CAPS_LOCK_DISABLED;
text_label_->SetText(bundle.GetLocalizedString(text_string_id));
int shortcut_string_id = 0;
if (caps_lock_enabled) {
shortcut_string_id = search_mapped_to_caps_lock ?
IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_SEARCH_OR_SHIFT :
IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_ALT_SEARCH_OR_SHIFT;
} else {
shortcut_string_id = search_mapped_to_caps_lock ?
IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_SEARCH :
IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_ALT_SEARCH;
}
shortcut_label_->SetText(bundle.GetLocalizedString(shortcut_string_id));
Layout();
}
private:
// Overridden from views::View:
virtual void Layout() OVERRIDE {
views::View::Layout();
// Align the shortcut text with the right end
const int old_x = shortcut_label_->x();
const int new_x =
width() - shortcut_label_->width() - kTrayPopupPaddingHorizontal;
shortcut_label_->SetX(new_x);
const gfx::Size text_size = text_label_->size();
text_label_->SetSize(gfx::Size(text_size.width() + new_x - old_x,
text_size.height()));
}
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE {
state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
state->name = text_label_->text();
}
// Overridden from ActionableView:
virtual bool PerformAction(const ui::Event& event) OVERRIDE {
Shell::GetInstance()->caps_lock_delegate()->ToggleCapsLock();
return true;
}
views::Label* text_label_;
views::Label* shortcut_label_;
DISALLOW_COPY_AND_ASSIGN(CapsLockDefaultView);
};
TrayCapsLock::TrayCapsLock(SystemTray* system_tray)
: TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_CAPS_LOCK),
default_(NULL),
detailed_(NULL),
search_mapped_to_caps_lock_(false),
caps_lock_enabled_(
Shell::GetInstance()->caps_lock_delegate()->IsCapsLockEnabled()),
message_shown_(false) {
Shell::GetInstance()->system_tray_notifier()->AddCapsLockObserver(this);
}
TrayCapsLock::~TrayCapsLock() {
Shell::GetInstance()->system_tray_notifier()->RemoveCapsLockObserver(this);
}
bool TrayCapsLock::GetInitialVisibility() {
return Shell::GetInstance()->caps_lock_delegate()->IsCapsLockEnabled();
}
views::View* TrayCapsLock::CreateDefaultView(user::LoginStatus status) {
if (!caps_lock_enabled_)
return NULL;
DCHECK(default_ == NULL);
default_ = new CapsLockDefaultView;
default_->Update(caps_lock_enabled_, search_mapped_to_caps_lock_);
return default_;
}
views::View* TrayCapsLock::CreateDetailedView(user::LoginStatus status) {
DCHECK(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_CAPS_LOCK_DARK).
ToImageSkia());
detailed_->AddChildView(image);
const int string_id = search_mapped_to_caps_lock_ ?
IDS_ASH_STATUS_TRAY_CAPS_LOCK_CANCEL_BY_SEARCH :
IDS_ASH_STATUS_TRAY_CAPS_LOCK_CANCEL_BY_ALT_SEARCH;
views::Label* label = new views::Label(bundle.GetLocalizedString(string_id));
label->SetMultiLine(true);
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
detailed_->AddChildView(label);
return detailed_;
}
void TrayCapsLock::DestroyDefaultView() {
default_ = NULL;
}
void TrayCapsLock::DestroyDetailedView() {
detailed_ = NULL;
}
void TrayCapsLock::OnCapsLockChanged(bool enabled,
bool search_mapped_to_caps_lock) {
if (tray_view())
tray_view()->SetVisible(enabled);
caps_lock_enabled_ = enabled;
search_mapped_to_caps_lock_ = search_mapped_to_caps_lock;
if (default_) {
default_->Update(enabled, search_mapped_to_caps_lock);
} else {
if (enabled) {
if (!message_shown_) {
PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
message_shown_ = true;
}
} else if (detailed_) {
detailed_->GetWidget()->Close();
}
}
}
} // namespace internal
} // namespace ash
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