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Side by Side Diff: ash/common/system/user/tray_user.cc

Issue 2732813002: chromeos: Move files in //ash/common to //ash, part 1 (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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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/common/system/user/tray_user.h"
6
7 #include "ash/common/session/session_state_delegate.h"
8 #include "ash/common/shelf/wm_shelf_util.h"
9 #include "ash/common/system/tray/system_tray.h"
10 #include "ash/common/system/tray/system_tray_delegate.h"
11 #include "ash/common/system/tray/system_tray_notifier.h"
12 #include "ash/common/system/tray/tray_constants.h"
13 #include "ash/common/system/tray/tray_item_view.h"
14 #include "ash/common/system/tray/tray_utils.h"
15 #include "ash/common/system/user/rounded_image_view.h"
16 #include "ash/common/system/user/user_view.h"
17 #include "ash/common/wm_shell.h"
18 #include "ash/strings/grit/ash_strings.h"
19 #include "base/logging.h"
20 #include "base/strings/string16.h"
21 #include "components/signin/core/account_id/account_id.h"
22 #include "components/user_manager/user_info.h"
23 #include "ui/base/l10n/l10n_util.h"
24 #include "ui/gfx/image/image.h"
25 #include "ui/views/border.h"
26 #include "ui/views/controls/label.h"
27 #include "ui/views/layout/box_layout.h"
28 #include "ui/views/view.h"
29 #include "ui/views/widget/widget.h"
30
31 namespace {
32
33 const int kUserLabelToIconPadding = 5;
34
35 } // namespace
36
37 namespace ash {
38
39 TrayUser::TrayUser(SystemTray* system_tray, UserIndex index)
40 : SystemTrayItem(system_tray, UMA_USER),
41 user_index_(index),
42 user_(nullptr),
43 layout_view_(nullptr),
44 avatar_(nullptr),
45 label_(nullptr) {
46 WmShell::Get()->system_tray_notifier()->AddUserObserver(this);
47 }
48
49 TrayUser::~TrayUser() {
50 WmShell::Get()->system_tray_notifier()->RemoveUserObserver(this);
51 }
52
53 TrayUser::TestState TrayUser::GetStateForTest() const {
54 if (!user_)
55 return HIDDEN;
56 return user_->GetStateForTest();
57 }
58
59 gfx::Size TrayUser::GetLayoutSizeForTest() const {
60 return layout_view_ ? layout_view_->size() : gfx::Size();
61 }
62
63 gfx::Rect TrayUser::GetUserPanelBoundsInScreenForTest() const {
64 DCHECK(user_);
65 return user_->GetBoundsInScreenOfUserButtonForTest();
66 }
67
68 void TrayUser::UpdateAfterLoginStatusChangeForTest(LoginStatus status) {
69 UpdateAfterLoginStatusChange(status);
70 }
71
72 views::View* TrayUser::CreateTrayView(LoginStatus status) {
73 CHECK(layout_view_ == nullptr);
74
75 layout_view_ = new views::View;
76 UpdateAfterLoginStatusChange(status);
77 return layout_view_;
78 }
79
80 views::View* TrayUser::CreateDefaultView(LoginStatus status) {
81 if (status == LoginStatus::NOT_LOGGED_IN)
82 return nullptr;
83 const SessionStateDelegate* session_state_delegate =
84 WmShell::Get()->GetSessionStateDelegate();
85
86 // If the screen is locked or a system modal dialog box is shown, show only
87 // the currently active user.
88 if (user_index_ && (session_state_delegate->IsUserSessionBlocked() ||
89 WmShell::Get()->IsSystemModalWindowOpen()))
90 return nullptr;
91
92 CHECK(user_ == nullptr);
93
94 int logged_in_users = session_state_delegate->NumberOfLoggedInUsers();
95
96 // Do not show more UserView's then there are logged in users.
97 if (user_index_ >= logged_in_users)
98 return nullptr;
99
100 user_ = new tray::UserView(this, status, user_index_);
101 return user_;
102 }
103
104 void TrayUser::DestroyTrayView() {
105 layout_view_ = nullptr;
106 avatar_ = nullptr;
107 label_ = nullptr;
108 }
109
110 void TrayUser::DestroyDefaultView() {
111 user_ = nullptr;
112 }
113
114 void TrayUser::UpdateAfterLoginStatusChange(LoginStatus status) {
115 // Only the active user is represented in the tray.
116 if (!layout_view_)
117 return;
118 if (user_index_ > 0)
119 return;
120 bool need_label = false;
121 bool need_avatar = false;
122 SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate();
123 if (delegate->IsUserSupervised())
124 need_label = true;
125 switch (status) {
126 case LoginStatus::LOCKED:
127 case LoginStatus::USER:
128 case LoginStatus::OWNER:
129 case LoginStatus::PUBLIC:
130 need_avatar = true;
131 break;
132 case LoginStatus::SUPERVISED:
133 need_avatar = true;
134 need_label = true;
135 break;
136 case LoginStatus::GUEST:
137 need_label = true;
138 break;
139 case LoginStatus::KIOSK_APP:
140 case LoginStatus::ARC_KIOSK_APP:
141 case LoginStatus::NOT_LOGGED_IN:
142 break;
143 }
144
145 if ((need_avatar != (avatar_ != nullptr)) ||
146 (need_label != (label_ != nullptr))) {
147 delete label_;
148 delete avatar_;
149
150 if (need_label) {
151 label_ = new views::Label;
152 SetupLabelForTray(label_);
153 layout_view_->AddChildView(label_);
154 } else {
155 label_ = nullptr;
156 }
157 if (need_avatar) {
158 avatar_ = new tray::RoundedImageView(kTrayRoundedBorderRadius);
159 avatar_->SetPaintToLayer();
160 avatar_->layer()->SetFillsBoundsOpaquely(false);
161 layout_view_->AddChildView(avatar_);
162 } else {
163 avatar_ = nullptr;
164 }
165 }
166
167 if (delegate->IsUserSupervised()) {
168 label_->SetText(
169 l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_SUPERVISED_LABEL));
170 } else if (status == LoginStatus::GUEST) {
171 label_->SetText(l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_GUEST_LABEL));
172 }
173
174 UpdateAvatarImage(status);
175
176 // Update layout after setting label_ and avatar_ with new login status.
177 UpdateLayoutOfItem();
178 }
179
180 void TrayUser::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
181 // Inactive users won't have a layout.
182 if (!layout_view_)
183 return;
184 if (IsHorizontalAlignment(alignment)) {
185 if (avatar_) {
186 avatar_->SetCornerRadii(0, kTrayRoundedBorderRadius,
187 kTrayRoundedBorderRadius, 0);
188 }
189 if (label_) {
190 // If label_ hasn't figured out its size yet, do that first.
191 if (label_->GetContentsBounds().height() == 0)
192 label_->SizeToPreferredSize();
193 int height = label_->GetContentsBounds().height();
194 int vertical_pad = (kTrayItemSize - height) / 2;
195 int remainder = height % 2;
196 label_->SetBorder(views::CreateEmptyBorder(
197 vertical_pad + remainder,
198 kTrayLabelItemHorizontalPaddingBottomAlignment, vertical_pad,
199 kTrayLabelItemHorizontalPaddingBottomAlignment));
200 }
201 layout_view_->SetLayoutManager(new views::BoxLayout(
202 views::BoxLayout::kHorizontal, 0, 0, kUserLabelToIconPadding));
203 } else {
204 if (avatar_) {
205 avatar_->SetCornerRadii(0, 0, kTrayRoundedBorderRadius,
206 kTrayRoundedBorderRadius);
207 }
208 if (label_) {
209 label_->SetBorder(views::CreateEmptyBorder(
210 kTrayLabelItemVerticalPaddingVerticalAlignment,
211 kTrayLabelItemHorizontalPaddingBottomAlignment,
212 kTrayLabelItemVerticalPaddingVerticalAlignment,
213 kTrayLabelItemHorizontalPaddingBottomAlignment));
214 }
215 layout_view_->SetLayoutManager(new views::BoxLayout(
216 views::BoxLayout::kVertical, 0, 0, kUserLabelToIconPadding));
217 }
218 }
219
220 void TrayUser::OnUserUpdate() {
221 UpdateAvatarImage(
222 WmShell::Get()->system_tray_delegate()->GetUserLoginStatus());
223 }
224
225 void TrayUser::OnUserAddedToSession() {
226 SessionStateDelegate* session_state_delegate =
227 WmShell::Get()->GetSessionStateDelegate();
228 // Only create views for user items which are logged in.
229 if (user_index_ >= session_state_delegate->NumberOfLoggedInUsers())
230 return;
231
232 // Enforce a layout change that newly added items become visible.
233 UpdateLayoutOfItem();
234
235 // Update the user item.
236 UpdateAvatarImage(
237 WmShell::Get()->system_tray_delegate()->GetUserLoginStatus());
238 }
239
240 void TrayUser::UpdateAvatarImage(LoginStatus status) {
241 SessionStateDelegate* session_state_delegate =
242 WmShell::Get()->GetSessionStateDelegate();
243 if (!avatar_ ||
244 user_index_ >= session_state_delegate->NumberOfLoggedInUsers())
245 return;
246
247 const user_manager::UserInfo* user_info =
248 session_state_delegate->GetUserInfo(user_index_);
249 CHECK(user_info);
250 avatar_->SetImage(user_info->GetImage(),
251 gfx::Size(kTrayItemSize, kTrayItemSize));
252
253 // Unit tests might come here with no images for some users.
254 if (avatar_->size().IsEmpty())
255 avatar_->SetSize(gfx::Size(kTrayItemSize, kTrayItemSize));
256 }
257
258 void TrayUser::UpdateLayoutOfItem() {
259 UpdateAfterShelfAlignmentChange(system_tray()->shelf_alignment());
260 }
261
262 } // namespace ash
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