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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/network/tray_vpn.h"
#include "ash/metrics/user_metrics_recorder.h"
#include "ash/session/session_state_delegate.h"
#include "ash/shell.h"
#include "ash/system/chromeos/network/network_state_list_detailed_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_item_more.h"
#include "ash/system/tray/tray_popup_label_button.h"
#include "chromeos/device_event_log.h"
#include "chromeos/network/network_state.h"
#include "chromeos/network/network_state_handler.h"
#include "grit/ash_strings.h"
#include "grit/ui_chromeos_strings.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/chromeos/network/network_icon.h"
#include "ui/chromeos/network/network_icon_animation.h"
using chromeos::NetworkHandler;
using chromeos::NetworkState;
using chromeos::NetworkStateHandler;
using chromeos::NetworkTypePattern;
namespace ash {
namespace tray {
class VpnDefaultView : public TrayItemMore,
public ui::network_icon::AnimationObserver {
public:
VpnDefaultView(SystemTrayItem* owner, bool show_more)
: TrayItemMore(owner, show_more) {
Update();
}
~VpnDefaultView() override {
ui::network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(this);
}
static bool ShouldShow() {
// Do not show VPN line in uber tray bubble if VPN is not configured.
NetworkStateHandler* handler =
NetworkHandler::Get()->network_state_handler();
const NetworkState* vpn =
handler->FirstNetworkByType(NetworkTypePattern::VPN());
return vpn != NULL;
}
void Update() {
gfx::ImageSkia image;
base::string16 label;
bool animating = false;
GetNetworkStateHandlerImageAndLabel(&image, &label, &animating);
if (animating)
ui::network_icon::NetworkIconAnimation::GetInstance()->AddObserver(this);
else
ui::network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(
this);
SetImage(&image);
SetLabel(label);
SetAccessibleName(label);
}
// ui::network_icon::AnimationObserver
void NetworkIconChanged() override { Update(); }
private:
void GetNetworkStateHandlerImageAndLabel(gfx::ImageSkia* image,
base::string16* label,
bool* animating) {
NetworkStateHandler* handler =
NetworkHandler::Get()->network_state_handler();
const NetworkState* vpn =
handler->FirstNetworkByType(NetworkTypePattern::VPN());
if (!vpn || (vpn->connection_state() == shill::kStateIdle)) {
*image = ui::network_icon::GetImageForDisconnectedNetwork(
ui::network_icon::ICON_TYPE_DEFAULT_VIEW, shill::kTypeVPN);
if (label) {
*label =
l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_VPN_DISCONNECTED);
}
*animating = false;
return;
}
*animating = vpn->IsConnectingState();
*image = ui::network_icon::GetImageForNetwork(
vpn, ui::network_icon::ICON_TYPE_DEFAULT_VIEW);
if (label) {
*label = ui::network_icon::GetLabelForNetwork(
vpn, ui::network_icon::ICON_TYPE_DEFAULT_VIEW);
}
}
DISALLOW_COPY_AND_ASSIGN(VpnDefaultView);
};
} // namespace tray
TrayVPN::TrayVPN(SystemTray* system_tray)
: SystemTrayItem(system_tray), default_(NULL), detailed_(NULL) {
network_state_observer_.reset(new TrayNetworkStateObserver(this));
}
TrayVPN::~TrayVPN() {
}
views::View* TrayVPN::CreateTrayView(user::LoginStatus status) {
return NULL;
}
views::View* TrayVPN::CreateDefaultView(user::LoginStatus status) {
CHECK(default_ == NULL);
if (!chromeos::NetworkHandler::IsInitialized())
return NULL;
if (status == user::LOGGED_IN_NONE)
return NULL;
if (!tray::VpnDefaultView::ShouldShow())
return NULL;
bool userAddingRunning = ash::Shell::GetInstance()
->session_state_delegate()
->IsInSecondaryLoginScreen();
default_ = new tray::VpnDefaultView(
this, status != user::LOGGED_IN_LOCKED && !userAddingRunning);
return default_;
}
views::View* TrayVPN::CreateDetailedView(user::LoginStatus status) {
CHECK(detailed_ == NULL);
if (!chromeos::NetworkHandler::IsInitialized())
return NULL;
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
ash::UMA_STATUS_AREA_DETAILED_VPN_VIEW);
detailed_ = new tray::NetworkStateListDetailedView(
this, tray::NetworkStateListDetailedView::LIST_TYPE_VPN, status);
detailed_->Init();
return detailed_;
}
void TrayVPN::DestroyTrayView() {
}
void TrayVPN::DestroyDefaultView() {
default_ = NULL;
}
void TrayVPN::DestroyDetailedView() {
detailed_ = NULL;
}
void TrayVPN::UpdateAfterLoginStatusChange(user::LoginStatus status) {
}
void TrayVPN::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
}
void TrayVPN::NetworkStateChanged() {
if (default_)
default_->Update();
if (detailed_)
detailed_->Update();
}
} // namespace ash
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