tray_vpn.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ash/system/chromeos/network/tray_vpn.h"
6
7#include "ash/metrics/user_metrics_recorder.h"
8#include "ash/shell.h"
9#include "ash/system/chromeos/network/network_icon_animation.h"
10#include "ash/system/chromeos/network/network_state_list_detailed_view.h"
11#include "ash/system/tray/system_tray.h"
12#include "ash/system/tray/system_tray_delegate.h"
13#include "ash/system/tray/tray_constants.h"
14#include "ash/system/tray/tray_item_more.h"
15#include "ash/system/tray/tray_popup_label_button.h"
16#include "chromeos/network/network_state.h"
17#include "chromeos/network/network_state_handler.h"
18#include "grit/ash_strings.h"
19#include "third_party/cros_system_api/dbus/service_constants.h"
20#include "ui/base/l10n/l10n_util.h"
21#include "ui/base/resource/resource_bundle.h"
22
23using chromeos::NetworkHandler;
24using chromeos::NetworkState;
25using chromeos::NetworkStateHandler;
26using chromeos::NetworkTypePattern;
27
28namespace ash {
29namespace tray {
30
31class VpnDefaultView : public TrayItemMore,
32                       public network_icon::AnimationObserver {
33 public:
34  VpnDefaultView(SystemTrayItem* owner, bool show_more)
35      : TrayItemMore(owner, show_more) {
36    Update();
37  }
38
39  virtual ~VpnDefaultView() {
40    network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(this);
41  }
42
43  static bool ShouldShow() {
44    // Do not show VPN line in uber tray bubble if VPN is not configured.
45    NetworkStateHandler* handler =
46        NetworkHandler::Get()->network_state_handler();
47    const NetworkState* vpn =
48        handler->FirstNetworkByType(NetworkTypePattern::VPN());
49    return vpn != NULL;
50  }
51
52  void Update() {
53    gfx::ImageSkia image;
54    base::string16 label;
55    bool animating = false;
56    GetNetworkStateHandlerImageAndLabel(&image, &label, &animating);
57    if (animating)
58      network_icon::NetworkIconAnimation::GetInstance()->AddObserver(this);
59    else
60      network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(this);
61    SetImage(&image);
62    SetLabel(label);
63    SetAccessibleName(label);
64  }
65
66  // network_icon::AnimationObserver
67  virtual void NetworkIconChanged() OVERRIDE {
68    Update();
69  }
70
71 private:
72  void GetNetworkStateHandlerImageAndLabel(gfx::ImageSkia* image,
73                                           base::string16* label,
74                                           bool* animating) {
75    NetworkStateHandler* handler =
76        NetworkHandler::Get()->network_state_handler();
77    const NetworkState* vpn =
78        handler->FirstNetworkByType(NetworkTypePattern::VPN());
79    if (!vpn || (vpn->connection_state() == shill::kStateIdle)) {
80      *image = network_icon::GetImageForDisconnectedNetwork(
81          network_icon::ICON_TYPE_DEFAULT_VIEW, shill::kTypeVPN);
82      if (label) {
83        *label = l10n_util::GetStringUTF16(
84            IDS_ASH_STATUS_TRAY_VPN_DISCONNECTED);
85      }
86      *animating = false;
87      return;
88    }
89    *animating = vpn->IsConnectingState();
90    *image = network_icon::GetImageForNetwork(
91        vpn, network_icon::ICON_TYPE_DEFAULT_VIEW);
92    if (label) {
93      *label = network_icon::GetLabelForNetwork(
94          vpn, network_icon::ICON_TYPE_DEFAULT_VIEW);
95    }
96  }
97
98  DISALLOW_COPY_AND_ASSIGN(VpnDefaultView);
99};
100
101}  // namespace tray
102
103TrayVPN::TrayVPN(SystemTray* system_tray)
104    : SystemTrayItem(system_tray),
105      default_(NULL),
106      detailed_(NULL) {
107  network_state_observer_.reset(new TrayNetworkStateObserver(this));
108}
109
110TrayVPN::~TrayVPN() {
111}
112
113views::View* TrayVPN::CreateTrayView(user::LoginStatus status) {
114  return NULL;
115}
116
117views::View* TrayVPN::CreateDefaultView(user::LoginStatus status) {
118  CHECK(default_ == NULL);
119  if (!chromeos::NetworkHandler::IsInitialized())
120    return NULL;
121  if (status == user::LOGGED_IN_NONE)
122    return NULL;
123  if (!tray::VpnDefaultView::ShouldShow())
124    return NULL;
125
126  default_ = new tray::VpnDefaultView(this, status != user::LOGGED_IN_LOCKED);
127  return default_;
128}
129
130views::View* TrayVPN::CreateDetailedView(user::LoginStatus status) {
131  CHECK(detailed_ == NULL);
132  if (!chromeos::NetworkHandler::IsInitialized())
133    return NULL;
134
135  Shell::GetInstance()->metrics()->RecordUserMetricsAction(
136      ash::UMA_STATUS_AREA_DETAILED_VPN_VIEW);
137  detailed_ = new tray::NetworkStateListDetailedView(
138      this, tray::NetworkStateListDetailedView::LIST_TYPE_VPN, status);
139  detailed_->Init();
140  return detailed_;
141}
142
143void TrayVPN::DestroyTrayView() {
144}
145
146void TrayVPN::DestroyDefaultView() {
147  default_ = NULL;
148}
149
150void TrayVPN::DestroyDetailedView() {
151  detailed_ = NULL;
152}
153
154void TrayVPN::UpdateAfterLoginStatusChange(user::LoginStatus status) {
155}
156
157void TrayVPN::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
158}
159
160void TrayVPN::NetworkStateChanged(bool list_changed) {
161  if (default_)
162    default_->Update();
163  if (detailed_) {
164    if (list_changed)
165      detailed_->NetworkListChanged();
166    else
167      detailed_->ManagerChanged();
168  }
169}
170
171void TrayVPN::NetworkServiceChanged(const chromeos::NetworkState* network) {
172  if (detailed_)
173    detailed_->NetworkServiceChanged(network);
174}
175
176}  // namespace ash
177