src/ash/system/user/user_card_view.cc

   1 // Copyright 2014 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/user/user_card_view.h"
   6
   7 #include <algorithm>
   8 #include <vector>
   9
  10 #include "ash/session/session_state_delegate.h"
  11 #include "ash/shell.h"
  12 #include "ash/system/tray/system_tray_delegate.h"
  13 #include "ash/system/tray/system_tray_notifier.h"
  14 #include "ash/system/tray/tray_constants.h"
  15 #include "ash/system/user/config.h"
  16 #include "ash/system/user/rounded_image_view.h"
  17 #include "base/i18n/rtl.h"
  18 #include "base/memory/scoped_vector.h"
  19 #include "base/strings/string16.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "components/user_manager/user_info.h"
  23 #include "grit/ash_resources.h"
  24 #include "grit/ash_strings.h"
  25 #include "ui/base/l10n/l10n_util.h"
  26 #include "ui/base/resource/resource_bundle.h"
  27 #include "ui/gfx/insets.h"
  28 #include "ui/gfx/range/range.h"
  29 #include "ui/gfx/rect.h"
  30 #include "ui/gfx/render_text.h"
  31 #include "ui/gfx/size.h"
  32 #include "ui/gfx/text_elider.h"
  33 #include "ui/gfx/text_utils.h"
  34 #include "ui/views/border.h"
  35 #include "ui/views/controls/link.h"
  36 #include "ui/views/controls/link_listener.h"
  37 #include "ui/views/layout/box_layout.h"
  38
  39 #if defined(OS_CHROMEOS)
  40 #include "ash/ash_view_ids.h"
  41 #include "ash/media_delegate.h"
  42 #include "ash/system/tray/media_security/media_capture_observer.h"
  43 #include "ui/views/controls/image_view.h"
  44 #include "ui/views/layout/fill_layout.h"
  45 #endif
  46
  47 namespace ash {
  48 namespace tray {
  49
  50 namespace {
  51
  52 const int kUserDetailsVerticalPadding = 5;
  53
  54 // The invisible word joiner character, used as a marker to indicate the start
  55 // and end of the user's display name in the public account user card's text.
  56 const base::char16 kDisplayNameMark[] = {0x2060, 0};
  57
  58 #if defined(OS_CHROMEOS)
  59 class MediaIndicator : public views::View, public MediaCaptureObserver {
  60  public:
  61   explicit MediaIndicator(MultiProfileIndex index)
  62       : index_(index), label_(new views::Label) {
  63     SetLayoutManager(new views::FillLayout);
  64     views::ImageView* icon = new views::ImageView;
  65     icon->SetImage(ui::ResourceBundle::GetSharedInstance()
  66                        .GetImageNamed(IDR_AURA_UBER_TRAY_RECORDING_RED)
  67                        .ToImageSkia());
  68     AddChildView(icon);
  69     label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  70     label_->SetFontList(ui::ResourceBundle::GetSharedInstance().GetFontList(
  71         ui::ResourceBundle::SmallFont));
  72     OnMediaCaptureChanged();
  73     Shell::GetInstance()->system_tray_notifier()->AddMediaCaptureObserver(this);
  74     set_id(VIEW_ID_USER_VIEW_MEDIA_INDICATOR);
  75   }
  76
  77   virtual ~MediaIndicator() {
  78     Shell::GetInstance()->system_tray_notifier()->RemoveMediaCaptureObserver(
  79         this);
  80   }
  81
  82   // MediaCaptureObserver:
  83   virtual void OnMediaCaptureChanged() OVERRIDE {
  84     Shell* shell = Shell::GetInstance();
  85     content::BrowserContext* context =
  86         shell->session_state_delegate()->GetBrowserContextByIndex(index_);
  87     MediaCaptureState state =
  88         Shell::GetInstance()->media_delegate()->GetMediaCaptureState(context);
  89     int res_id = 0;
  90     switch (state) {
  91       case MEDIA_CAPTURE_AUDIO_VIDEO:
  92         res_id = IDS_ASH_STATUS_TRAY_MEDIA_RECORDING_AUDIO_VIDEO;
  93         break;
  94       case MEDIA_CAPTURE_AUDIO:
  95         res_id = IDS_ASH_STATUS_TRAY_MEDIA_RECORDING_AUDIO;
  96         break;
  97       case MEDIA_CAPTURE_VIDEO:
  98         res_id = IDS_ASH_STATUS_TRAY_MEDIA_RECORDING_VIDEO;
  99         break;
 100       case MEDIA_CAPTURE_NONE:
 101         break;
 102     }
 103     SetMessage(res_id ? l10n_util::GetStringUTF16(res_id) : base::string16());
 104   }
 105
 106   views::View* GetMessageView() { return label_; }
 107
 108   void SetMessage(const base::string16& message) {
 109     SetVisible(!message.empty());
 110     label_->SetText(message);
 111     label_->SetVisible(!message.empty());
 112   }
 113
 114  private:
 115   MultiProfileIndex index_;
 116   views::Label* label_;
 117
 118   DISALLOW_COPY_AND_ASSIGN(MediaIndicator);
 119 };
 120 #endif
 121
 122 // The user details shown in public account mode. This is essentially a label
 123 // but with custom painting code as the text is styled with multiple colors and
 124 // contains a link.
 125 class PublicAccountUserDetails : public views::View,
 126                                  public views::LinkListener {
 127  public:
 128   PublicAccountUserDetails(int max_width);
 129   virtual ~PublicAccountUserDetails();
 130
 131  private:
 132   // Overridden from views::View.
 133   virtual void Layout() OVERRIDE;
 134   virtual gfx::Size GetPreferredSize() const OVERRIDE;
 135   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 136
 137   // Overridden from views::LinkListener.
 138   virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
 139
 140   // Calculate a preferred size that ensures the label text and the following
 141   // link do not wrap over more than three lines in total for aesthetic reasons
 142   // if possible.
 143   void CalculatePreferredSize(int max_allowed_width);
 144
 145   base::string16 text_;
 146   views::Link* learn_more_;
 147   gfx::Size preferred_size_;
 148   ScopedVector<gfx::RenderText> lines_;
 149
 150   DISALLOW_COPY_AND_ASSIGN(PublicAccountUserDetails);
 151 };
 152
 153 PublicAccountUserDetails::PublicAccountUserDetails(int max_width)
 154     : learn_more_(NULL) {
 155   const int inner_padding =
 156       kTrayPopupPaddingHorizontal - kTrayPopupPaddingBetweenItems;
 157   const bool rtl = base::i18n::IsRTL();
 158   SetBorder(views::Border::CreateEmptyBorder(kUserDetailsVerticalPadding,
 159                                              rtl ? 0 : inner_padding,
 160                                              kUserDetailsVerticalPadding,
 161                                              rtl ? inner_padding : 0));
 162
 163   // Retrieve the user's display name and wrap it with markers.
 164   // Note that since this is a public account it always has to be the primary
 165   // user.
 166   base::string16 display_name = Shell::GetInstance()
 167                                     ->session_state_delegate()
 168                                     ->GetUserInfo(0)
 169                                     ->GetDisplayName();
 170   base::RemoveChars(display_name, kDisplayNameMark, &display_name);
 171   display_name = kDisplayNameMark[0] + display_name + kDisplayNameMark[0];
 172   // Retrieve the domain managing the device and wrap it with markers.
 173   base::string16 domain = base::UTF8ToUTF16(
 174       Shell::GetInstance()->system_tray_delegate()->GetEnterpriseDomain());
 175   base::RemoveChars(domain, kDisplayNameMark, &domain);
 176   base::i18n::WrapStringWithLTRFormatting(&domain);
 177   // Retrieve the label text, inserting the display name and domain.
 178   text_ = l10n_util::GetStringFUTF16(
 179       IDS_ASH_STATUS_TRAY_PUBLIC_LABEL, display_name, domain);
 180
 181   learn_more_ = new views::Link(l10n_util::GetStringUTF16(IDS_ASH_LEARN_MORE));
 182   learn_more_->SetUnderline(false);
 183   learn_more_->set_listener(this);
 184   AddChildView(learn_more_);
 185
 186   CalculatePreferredSize(max_width);
 187 }
 188
 189 PublicAccountUserDetails::~PublicAccountUserDetails() {}
 190
 191 void PublicAccountUserDetails::Layout() {
 192   lines_.clear();
 193   const gfx::Rect contents_area = GetContentsBounds();
 194   if (contents_area.IsEmpty())
 195     return;
 196
 197   // Word-wrap the label text.
 198   const gfx::FontList font_list;
 199   std::vector<base::string16> lines;
 200   gfx::ElideRectangleText(text_,
 201                           font_list,
 202                           contents_area.width(),
 203                           contents_area.height(),
 204                           gfx::ELIDE_LONG_WORDS,
 205                           &lines);
 206   // Loop through the lines, creating a renderer for each.
 207   gfx::Point position = contents_area.origin();
 208   gfx::Range display_name(gfx::Range::InvalidRange());
 209   for (std::vector<base::string16>::const_iterator it = lines.begin();
 210        it != lines.end();
 211        ++it) {
 212     gfx::RenderText* line = gfx::RenderText::CreateInstance();
 213     line->SetDirectionalityMode(gfx::DIRECTIONALITY_FROM_UI);
 214     line->SetText(*it);
 215     const gfx::Size size(contents_area.width(), line->GetStringSize().height());
 216     line->SetDisplayRect(gfx::Rect(position, size));
 217     position.set_y(position.y() + size.height());
 218
 219     // Set the default text color for the line.
 220     line->SetColor(kPublicAccountUserCardTextColor);
 221
 222     // If a range of the line contains the user's display name, apply a custom
 223     // text color to it.
 224     if (display_name.is_empty())
 225       display_name.set_start(it->find(kDisplayNameMark));
 226     if (!display_name.is_empty()) {
 227       display_name.set_end(
 228           it->find(kDisplayNameMark, display_name.start() + 1));
 229       gfx::Range line_range(0, it->size());
 230       line->ApplyColor(kPublicAccountUserCardNameColor,
 231                        display_name.Intersect(line_range));
 232       // Update the range for the next line.
 233       if (display_name.end() >= line_range.end())
 234         display_name.set_start(0);
 235       else
 236         display_name = gfx::Range::InvalidRange();
 237     }
 238
 239     lines_.push_back(line);
 240   }
 241
 242   // Position the link after the label text, separated by a space. If it does
 243   // not fit onto the last line of the text, wrap the link onto its own line.
 244   const gfx::Size last_line_size = lines_.back()->GetStringSize();
 245   const int space_width =
 246       gfx::GetStringWidth(base::ASCIIToUTF16(" "), font_list);
 247   const gfx::Size link_size = learn_more_->GetPreferredSize();
 248   if (contents_area.width() - last_line_size.width() >=
 249       space_width + link_size.width()) {
 250     position.set_x(position.x() + last_line_size.width() + space_width);
 251     position.set_y(position.y() - last_line_size.height());
 252   }
 253   position.set_y(position.y() - learn_more_->GetInsets().top());
 254   gfx::Rect learn_more_bounds(position, link_size);
 255   learn_more_bounds.Intersect(contents_area);
 256   if (base::i18n::IsRTL()) {
 257     const gfx::Insets insets = GetInsets();
 258     learn_more_bounds.Offset(insets.right() - insets.left(), 0);
 259   }
 260   learn_more_->SetBoundsRect(learn_more_bounds);
 261 }
 262
 263 gfx::Size PublicAccountUserDetails::GetPreferredSize() const {
 264   return preferred_size_;
 265 }
 266
 267 void PublicAccountUserDetails::OnPaint(gfx::Canvas* canvas) {
 268   for (ScopedVector<gfx::RenderText>::const_iterator it = lines_.begin();
 269        it != lines_.end();
 270        ++it) {
 271     (*it)->Draw(canvas);
 272   }
 273   views::View::OnPaint(canvas);
 274 }
 275
 276 void PublicAccountUserDetails::LinkClicked(views::Link* source,
 277                                            int event_flags) {
 278   DCHECK_EQ(source, learn_more_);
 279   Shell::GetInstance()->system_tray_delegate()->ShowPublicAccountInfo();
 280 }
 281
 282 void PublicAccountUserDetails::CalculatePreferredSize(int max_allowed_width) {
 283   const gfx::FontList font_list;
 284   const gfx::Size link_size = learn_more_->GetPreferredSize();
 285   const int space_width =
 286       gfx::GetStringWidth(base::ASCIIToUTF16(" "), font_list);
 287   const gfx::Insets insets = GetInsets();
 288   int min_width = link_size.width();
 289   int max_width = std::min(
 290       gfx::GetStringWidth(text_, font_list) + space_width + link_size.width(),
 291       max_allowed_width - insets.width());
 292   // Do a binary search for the minimum width that ensures no more than three
 293   // lines are needed. The lower bound is the minimum of the current bubble
 294   // width and the width of the link (as no wrapping is permitted inside the
 295   // link). The upper bound is the maximum of the largest allowed bubble width
 296   // and the sum of the label text and link widths when put on a single line.
 297   std::vector<base::string16> lines;
 298   while (min_width < max_width) {
 299     lines.clear();
 300     const int width = (min_width + max_width) / 2;
 301     const bool too_narrow = gfx::ElideRectangleText(text_,
 302                                                     font_list,
 303                                                     width,
 304                                                     INT_MAX,
 305                                                     gfx::TRUNCATE_LONG_WORDS,
 306                                                     &lines) != 0;
 307     int line_count = lines.size();
 308     if (!too_narrow && line_count == 3 &&
 309         width - gfx::GetStringWidth(lines.back(), font_list) <=
 310             space_width + link_size.width())
 311       ++line_count;
 312     if (too_narrow || line_count > 3)
 313       min_width = width + 1;
 314     else
 315       max_width = width;
 316   }
 317
 318   // Calculate the corresponding height and set the preferred size.
 319   lines.clear();
 320   gfx::ElideRectangleText(
 321       text_, font_list, min_width, INT_MAX, gfx::TRUNCATE_LONG_WORDS, &lines);
 322   int line_count = lines.size();
 323   if (min_width - gfx::GetStringWidth(lines.back(), font_list) <=
 324       space_width + link_size.width()) {
 325     ++line_count;
 326   }
 327   const int line_height = font_list.GetHeight();
 328   const int link_extra_height = std::max(
 329       link_size.height() - learn_more_->GetInsets().top() - line_height, 0);
 330   preferred_size_ =
 331       gfx::Size(min_width + insets.width(),
 332                 line_count * line_height + link_extra_height + insets.height());
 333 }
 334
 335 }  // namespace
 336
 337 UserCardView::UserCardView(user::LoginStatus login_status,
 338                            int max_width,
 339                            int multiprofile_index) {
 340   SetLayoutManager(new views::BoxLayout(
 341       views::BoxLayout::kHorizontal, 0, 0, kTrayPopupPaddingBetweenItems));
 342   switch (login_status) {
 343     case user::LOGGED_IN_RETAIL_MODE:
 344       AddRetailModeUserContent();
 345       break;
 346     case user::LOGGED_IN_PUBLIC:
 347       AddPublicModeUserContent(max_width);
 348       break;
 349     default:
 350       AddUserContent(login_status, multiprofile_index);
 351       break;
 352   }
 353 }
 354
 355 UserCardView::~UserCardView() {}
 356
 357 void UserCardView::AddRetailModeUserContent() {
 358   views::Label* details = new views::Label;
 359   details->SetText(l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_KIOSK_LABEL));
 360   details->SetBorder(views::Border::CreateEmptyBorder(0, 4, 0, 1));
 361   details->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 362   AddChildView(details);
 363 }
 364
 365 void UserCardView::AddPublicModeUserContent(int max_width) {
 366   views::View* icon = CreateIcon(user::LOGGED_IN_PUBLIC, 0);
 367   AddChildView(icon);
 368   int details_max_width = max_width - icon->GetPreferredSize().width() -
 369                           kTrayPopupPaddingBetweenItems;
 370   AddChildView(new PublicAccountUserDetails(details_max_width));
 371 }
 372
 373 void UserCardView::AddUserContent(user::LoginStatus login_status,
 374                                   int multiprofile_index) {
 375   views::View* icon = CreateIcon(login_status, multiprofile_index);
 376   AddChildView(icon);
 377   views::Label* user_name = NULL;
 378   SessionStateDelegate* delegate =
 379       Shell::GetInstance()->session_state_delegate();
 380   if (!multiprofile_index) {
 381     base::string16 user_name_string =
 382         login_status == user::LOGGED_IN_GUEST
 383             ? l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_GUEST_LABEL)
 384             : delegate->GetUserInfo(multiprofile_index)->GetDisplayName();
 385     if (user_name_string.empty() && IsMultiAccountSupportedAndUserActive())
 386       user_name_string = base::ASCIIToUTF16(
 387           delegate->GetUserInfo(multiprofile_index)->GetEmail());
 388     if (!user_name_string.empty()) {
 389       user_name = new views::Label(user_name_string);
 390       user_name->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 391     }
 392   }
 393
 394   views::Label* user_email = NULL;
 395   if (login_status != user::LOGGED_IN_GUEST &&
 396       (multiprofile_index || !IsMultiAccountSupportedAndUserActive())) {
 397     SystemTrayDelegate* tray_delegate =
 398         Shell::GetInstance()->system_tray_delegate();
 399     base::string16 user_email_string =
 400         tray_delegate->IsUserSupervised()
 401             ? l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_SUPERVISED_LABEL)
 402             : base::UTF8ToUTF16(
 403                   delegate->GetUserInfo(multiprofile_index)->GetEmail());
 404     if (!user_email_string.empty()) {
 405       user_email = new views::Label(user_email_string);
 406       user_email->SetFontList(
 407           ui::ResourceBundle::GetSharedInstance().GetFontList(
 408               ui::ResourceBundle::SmallFont));
 409       user_email->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 410     }
 411   }
 412
 413   // Adjust text properties dependent on if it is an active or inactive user.
 414   if (multiprofile_index) {
 415     // Fade the text of non active users to 50%.
 416     SkColor text_color = user_email->enabled_color();
 417     text_color = SkColorSetA(text_color, SkColorGetA(text_color) / 2);
 418     if (user_email)
 419       user_email->SetDisabledColor(text_color);
 420     if (user_name)
 421       user_name->SetDisabledColor(text_color);
 422   }
 423
 424   if (user_email && user_name) {
 425     views::View* details = new views::View;
 426     details->SetLayoutManager(new views::BoxLayout(
 427         views::BoxLayout::kVertical, 0, kUserDetailsVerticalPadding, 0));
 428     details->AddChildView(user_name);
 429     details->AddChildView(user_email);
 430     AddChildView(details);
 431   } else {
 432     if (user_name)
 433       AddChildView(user_name);
 434     if (user_email) {
 435 #if defined(OS_CHROMEOS)
 436       // Only non active user can have a media indicator.
 437       MediaIndicator* media_indicator = new MediaIndicator(multiprofile_index);
 438       views::View* email_indicator_view = new views::View;
 439       email_indicator_view->SetLayoutManager(new views::BoxLayout(
 440           views::BoxLayout::kHorizontal, 0, 0, kTrayPopupPaddingBetweenItems));
 441       email_indicator_view->AddChildView(user_email);
 442       email_indicator_view->AddChildView(media_indicator);
 443
 444       views::View* details = new views::View;
 445       details->SetLayoutManager(new views::BoxLayout(
 446           views::BoxLayout::kVertical, 0, kUserDetailsVerticalPadding, 0));
 447       details->AddChildView(email_indicator_view);
 448       details->AddChildView(media_indicator->GetMessageView());
 449       AddChildView(details);
 450 #else
 451       AddChildView(user_email);
 452 #endif
 453     }
 454   }
 455 }
 456
 457 views::View* UserCardView::CreateIcon(user::LoginStatus login_status,
 458                                       int multiprofile_index) {
 459   RoundedImageView* icon =
 460       new RoundedImageView(kTrayAvatarCornerRadius, multiprofile_index == 0);
 461   if (login_status == user::LOGGED_IN_GUEST) {
 462     icon->SetImage(*ui::ResourceBundle::GetSharedInstance()
 463                         .GetImageNamed(IDR_AURA_UBER_TRAY_GUEST_ICON)
 464                         .ToImageSkia(),
 465                    gfx::Size(kTrayAvatarSize, kTrayAvatarSize));
 466   } else {
 467     SessionStateDelegate* delegate =
 468         Shell::GetInstance()->session_state_delegate();
 469     content::BrowserContext* context =
 470         delegate->GetBrowserContextByIndex(multiprofile_index);
 471     icon->SetImage(delegate->GetUserInfo(context)->GetImage(),
 472                    gfx::Size(kTrayAvatarSize, kTrayAvatarSize));
 473   }
 474   return icon;
 475 }
 476
 477 }  // namespace tray
 478 }  // namespace ash