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/session/session_state_delegate.h"
9 #include "ash/shell.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 "grit/ui_chromeos_strings.h"
20 #include "third_party/cros_system_api/dbus/service_constants.h"
21 #include "ui/base/l10n/l10n_util.h"
22 #include "ui/chromeos/network/network_icon.h"
23 #include "ui/chromeos/network/network_icon_animation.h"
24
25 using chromeos::NetworkHandler;
26 using chromeos::NetworkState;
27 using chromeos::NetworkStateHandler;
28 using chromeos::NetworkTypePattern;
29
30 namespace ash {
31 namespace tray {
32
33 class VpnDefaultView : public TrayItemMore,
34 public ui::network_icon::AnimationObserver {
35 public:
VpnDefaultView(SystemTrayItem * owner,bool show_more)36 VpnDefaultView(SystemTrayItem* owner, bool show_more)
37 : TrayItemMore(owner, show_more) {
38 Update();
39 }
40
~VpnDefaultView()41 virtual ~VpnDefaultView() {
42 ui::network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(this);
43 }
44
ShouldShow()45 static bool ShouldShow() {
46 // Do not show VPN line in uber tray bubble if VPN is not configured.
47 NetworkStateHandler* handler =
48 NetworkHandler::Get()->network_state_handler();
49 const NetworkState* vpn =
50 handler->FirstNetworkByType(NetworkTypePattern::VPN());
51 return vpn != NULL;
52 }
53
Update()54 void Update() {
55 gfx::ImageSkia image;
56 base::string16 label;
57 bool animating = false;
58 GetNetworkStateHandlerImageAndLabel(&image, &label, &animating);
59 if (animating)
60 ui::network_icon::NetworkIconAnimation::GetInstance()->AddObserver(this);
61 else
62 ui::network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(
63 this);
64 SetImage(&image);
65 SetLabel(label);
66 SetAccessibleName(label);
67 }
68
69 // ui::network_icon::AnimationObserver
NetworkIconChanged()70 virtual void NetworkIconChanged() OVERRIDE {
71 Update();
72 }
73
74 private:
GetNetworkStateHandlerImageAndLabel(gfx::ImageSkia * image,base::string16 * label,bool * animating)75 void GetNetworkStateHandlerImageAndLabel(gfx::ImageSkia* image,
76 base::string16* label,
77 bool* animating) {
78 NetworkStateHandler* handler =
79 NetworkHandler::Get()->network_state_handler();
80 const NetworkState* vpn =
81 handler->FirstNetworkByType(NetworkTypePattern::VPN());
82 if (!vpn || (vpn->connection_state() == shill::kStateIdle)) {
83 *image = ui::network_icon::GetImageForDisconnectedNetwork(
84 ui::network_icon::ICON_TYPE_DEFAULT_VIEW, shill::kTypeVPN);
85 if (label) {
86 *label = l10n_util::GetStringUTF16(
87 IDS_ASH_STATUS_TRAY_VPN_DISCONNECTED);
88 }
89 *animating = false;
90 return;
91 }
92 *animating = vpn->IsConnectingState();
93 *image = ui::network_icon::GetImageForNetwork(
94 vpn, ui::network_icon::ICON_TYPE_DEFAULT_VIEW);
95 if (label) {
96 *label = ui::network_icon::GetLabelForNetwork(
97 vpn, ui::network_icon::ICON_TYPE_DEFAULT_VIEW);
98 }
99 }
100
101 DISALLOW_COPY_AND_ASSIGN(VpnDefaultView);
102 };
103
104 } // namespace tray
105
TrayVPN(SystemTray * system_tray)106 TrayVPN::TrayVPN(SystemTray* system_tray)
107 : SystemTrayItem(system_tray),
108 default_(NULL),
109 detailed_(NULL) {
110 network_state_observer_.reset(new TrayNetworkStateObserver(this));
111 }
112
~TrayVPN()113 TrayVPN::~TrayVPN() {
114 }
115
CreateTrayView(user::LoginStatus status)116 views::View* TrayVPN::CreateTrayView(user::LoginStatus status) {
117 return NULL;
118 }
119
CreateDefaultView(user::LoginStatus status)120 views::View* TrayVPN::CreateDefaultView(user::LoginStatus status) {
121 CHECK(default_ == NULL);
122 if (!chromeos::NetworkHandler::IsInitialized())
123 return NULL;
124 if (status == user::LOGGED_IN_NONE)
125 return NULL;
126 if (!tray::VpnDefaultView::ShouldShow())
127 return NULL;
128
129 bool userAddingRunning = ash::Shell::GetInstance()
130 ->session_state_delegate()
131 ->IsInSecondaryLoginScreen();
132
133 default_ = new tray::VpnDefaultView(
134 this, status != user::LOGGED_IN_LOCKED && !userAddingRunning);
135
136 return default_;
137 }
138
CreateDetailedView(user::LoginStatus status)139 views::View* TrayVPN::CreateDetailedView(user::LoginStatus status) {
140 CHECK(detailed_ == NULL);
141 if (!chromeos::NetworkHandler::IsInitialized())
142 return NULL;
143
144 Shell::GetInstance()->metrics()->RecordUserMetricsAction(
145 ash::UMA_STATUS_AREA_DETAILED_VPN_VIEW);
146 detailed_ = new tray::NetworkStateListDetailedView(
147 this, tray::NetworkStateListDetailedView::LIST_TYPE_VPN, status);
148 detailed_->Init();
149 return detailed_;
150 }
151
DestroyTrayView()152 void TrayVPN::DestroyTrayView() {
153 }
154
DestroyDefaultView()155 void TrayVPN::DestroyDefaultView() {
156 default_ = NULL;
157 }
158
DestroyDetailedView()159 void TrayVPN::DestroyDetailedView() {
160 detailed_ = NULL;
161 }
162
UpdateAfterLoginStatusChange(user::LoginStatus status)163 void TrayVPN::UpdateAfterLoginStatusChange(user::LoginStatus status) {
164 }
165
UpdateAfterShelfAlignmentChange(ShelfAlignment alignment)166 void TrayVPN::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
167 }
168
NetworkStateChanged(bool list_changed)169 void TrayVPN::NetworkStateChanged(bool list_changed) {
170 if (default_)
171 default_->Update();
172 if (detailed_) {
173 if (list_changed)
174 detailed_->NetworkListChanged();
175 else
176 detailed_->ManagerChanged();
177 }
178 }
179
NetworkServiceChanged(const chromeos::NetworkState * network)180 void TrayVPN::NetworkServiceChanged(const chromeos::NetworkState* network) {
181 if (detailed_)
182 detailed_->NetworkServiceChanged(network);
183 }
184
185 } // namespace ash
186