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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/chromeos/tray_display.h"
#include "ash/display/display_controller.h"
#include "ash/display/display_manager.h"
#include "ash/shell.h"
#include "ash/system/tray/fixed_sized_image_view.h"
#include "ash/system/tray/system_tray.h"
#include "ash/system/tray/system_tray_delegate.h"
#include "ash/system/tray/tray_constants.h"
#include "ash/system/tray/tray_notification_view.h"
#include "base/chromeos/chromeos_version.h"
#include "base/utf_string_conversions.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/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
namespace ash {
namespace internal {
namespace {
TrayDisplayMode GetCurrentTrayDisplayMode() {
DisplayManager* display_manager = Shell::GetInstance()->display_manager();
if (display_manager->GetNumDisplays() > 1)
return TRAY_DISPLAY_EXTENDED;
if (display_manager->IsMirrored())
return TRAY_DISPLAY_MIRRORED;
int64 first_id = display_manager->first_display_id();
if (display_manager->HasInternalDisplay() &&
!display_manager->IsInternalDisplayId(first_id)) {
return TRAY_DISPLAY_DOCKED;
}
return TRAY_DISPLAY_SINGLE;
}
// Returns the name of the currently connected external display.
base::string16 GetExternalDisplayName() {
DisplayManager* display_manager = Shell::GetInstance()->display_manager();
int64 external_id = display_manager->mirrored_display().id();
if (external_id == gfx::Display::kInvalidDisplayID) {
int64 internal_display_id = gfx::Display::InternalDisplayId();
for (size_t i = 0; i < display_manager->GetNumDisplays(); ++i) {
int64 id = display_manager->GetDisplayAt(i)->id();
if (id != internal_display_id) {
external_id = id;
break;
}
}
}
if (external_id != gfx::Display::kInvalidDisplayID)
return UTF8ToUTF16(display_manager->GetDisplayNameForId(external_id));
return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME);
}
class DisplayViewBase {
public:
DisplayViewBase(user::LoginStatus login_status)
: login_status_(login_status) {
label_ = new views::Label();
label_->SetMultiLine(true);
label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
}
virtual ~DisplayViewBase() {
}
protected:
void OpenSettings() {
if (login_status_ == ash::user::LOGGED_IN_USER ||
login_status_ == ash::user::LOGGED_IN_OWNER ||
login_status_ == ash::user::LOGGED_IN_GUEST) {
ash::Shell::GetInstance()->system_tray_delegate()->ShowDisplaySettings();
}
}
bool UpdateLabelText() {
switch (GetCurrentTrayDisplayMode()) {
case TRAY_DISPLAY_SINGLE:
// TODO(oshima|mukai): Support single display mode for overscan
// alignment.
return false;
case TRAY_DISPLAY_EXTENDED:
if (Shell::GetInstance()->display_manager()->HasInternalDisplay()) {
label_->SetText(l10n_util::GetStringFUTF16(
IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED, GetExternalDisplayName()));
} else {
label_->SetText(l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED_NO_INTERNAL));
}
break;
case TRAY_DISPLAY_MIRRORED:
if (Shell::GetInstance()->display_manager()->HasInternalDisplay()) {
label_->SetText(l10n_util::GetStringFUTF16(
IDS_ASH_STATUS_TRAY_DISPLAY_MIRRORING, GetExternalDisplayName()));
} else {
label_->SetText(l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_DISPLAY_MIRRORING_NO_INTERNAL));
}
break;
case TRAY_DISPLAY_DOCKED:
label_->SetText(l10n_util::GetStringUTF16(
IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED));
break;
}
return true;
}
views::Label* label() { return label_; }
private:
user::LoginStatus login_status_;
views::Label* label_;
DISALLOW_COPY_AND_ASSIGN(DisplayViewBase);
};
} // namespace
class DisplayView : public DisplayViewBase,
public ash::internal::ActionableView {
public:
explicit DisplayView(user::LoginStatus login_status)
: DisplayViewBase(login_status) {
SetLayoutManager(new
views::BoxLayout(views::BoxLayout::kHorizontal,
ash::kTrayPopupPaddingHorizontal, 0,
ash::kTrayPopupPaddingBetweenItems));
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
image_ =
new ash::internal::FixedSizedImageView(0, ash::kTrayPopupItemHeight);
image_->SetImage(
bundle.GetImageNamed(IDR_AURA_UBER_TRAY_DISPLAY).ToImageSkia());
AddChildView(image_);
AddChildView(label());
Update();
}
virtual ~DisplayView() {}
void Update() {
SetVisible(UpdateLabelText());
}
private:
// Overridden from ActionableView.
virtual bool PerformAction(const ui::Event& event) OVERRIDE {
OpenSettings();
return true;
}
virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE {
int label_max_width = bounds().width() - kTrayPopupPaddingHorizontal * 2 -
kTrayPopupPaddingBetweenItems - image_->GetPreferredSize().width();
label()->SizeToFit(label_max_width);
PreferredSizeChanged();
}
views::ImageView* image_;
DISALLOW_COPY_AND_ASSIGN(DisplayView);
};
class DisplayNotificationView : public DisplayViewBase,
public TrayNotificationView {
public:
DisplayNotificationView(user::LoginStatus login_status,
TrayDisplay* tray_item)
: DisplayViewBase(login_status),
TrayNotificationView(tray_item, IDR_AURA_UBER_TRAY_DISPLAY) {
InitView(label());
StartAutoCloseTimer(kTrayPopupAutoCloseDelayForTextInSeconds);
Update();
}
virtual ~DisplayNotificationView() {}
void Update() {
if (UpdateLabelText())
RestartAutoCloseTimer();
else
owner()->HideNotificationView();
}
// Overridden from TrayNotificationView:
virtual void OnClickAction() OVERRIDE {
OpenSettings();
}
private:
DISALLOW_COPY_AND_ASSIGN(DisplayNotificationView);
};
TrayDisplay::TrayDisplay(SystemTray* system_tray)
: SystemTrayItem(system_tray),
default_(NULL),
notification_(NULL),
current_mode_(GetCurrentTrayDisplayMode()) {
Shell::GetInstance()->display_controller()->AddObserver(this);
}
TrayDisplay::~TrayDisplay() {
Shell::GetInstance()->display_controller()->RemoveObserver(this);
}
views::View* TrayDisplay::CreateDefaultView(user::LoginStatus status) {
DCHECK(default_ == NULL);
default_ = new DisplayView(status);
return default_;
}
views::View* TrayDisplay::CreateNotificationView(user::LoginStatus status) {
DCHECK(notification_ == NULL);
notification_ = new DisplayNotificationView(status, this);
return notification_;
}
void TrayDisplay::DestroyDefaultView() {
default_ = NULL;
}
void TrayDisplay::DestroyNotificationView() {
notification_ = NULL;
}
bool TrayDisplay::ShouldShowLauncher() const {
return false;
}
void TrayDisplay::OnDisplayConfigurationChanged() {
TrayDisplayMode new_mode = GetCurrentTrayDisplayMode();
if (current_mode_ != new_mode && new_mode != TRAY_DISPLAY_SINGLE) {
if (notification_)
notification_->Update();
else
ShowNotificationView();
}
current_mode_ = new_mode;
}
} // namespace internal
} // namespace ash
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