chrome/browser/ui/views/frame/global_menu_bar_x11.cc

   1 // Copyright 2013 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 "chrome/browser/ui/views/frame/global_menu_bar_x11.h"
   6
   7 #include <dlfcn.h>
   8 #include <glib-object.h>
   9
  10 #include "base/debug/leak_annotations.h"
  11 #include "base/logging.h"
  12 #include "base/prefs/pref_service.h"
  13 #include "base/stl_util.h"
  14 #include "base/strings/string_number_conversions.h"
  15 #include "base/strings/stringprintf.h"
  16 #include "base/strings/utf_string_conversions.h"
  17 #include "chrome/app/chrome_command_ids.h"
  18 #include "chrome/browser/browser_process.h"
  19 #include "chrome/browser/chrome_notification_types.h"
  20 #include "chrome/browser/history/top_sites.h"
  21 #include "chrome/browser/profiles/profile.h"
  22 #include "chrome/browser/profiles/profile_info_cache.h"
  23 #include "chrome/browser/profiles/profile_manager.h"
  24 #include "chrome/browser/sessions/tab_restore_service.h"
  25 #include "chrome/browser/sessions/tab_restore_service_factory.h"
  26 #include "chrome/browser/ui/browser.h"
  27 #include "chrome/browser/ui/browser_commands.h"
  28 #include "chrome/browser/ui/browser_list.h"
  29 #include "chrome/browser/ui/browser_tab_restore_service_delegate.h"
  30 #include "chrome/browser/ui/views/frame/browser_desktop_window_tree_host_x11.h"
  31 #include "chrome/browser/ui/views/frame/browser_view.h"
  32 #include "chrome/browser/ui/views/frame/global_menu_bar_registrar_x11.h"
  33 #include "chrome/common/pref_names.h"
  34 #include "chrome/grit/generated_resources.h"
  35 #include "content/public/browser/notification_source.h"
  36 #include "ui/base/accelerators/menu_label_accelerator_util_linux.h"
  37 #include "ui/base/l10n/l10n_util.h"
  38 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
  39 #include "ui/gfx/text_elider.h"
  40
  41 // libdbusmenu-glib types
  42 typedef struct _DbusmenuMenuitem DbusmenuMenuitem;
  43 typedef DbusmenuMenuitem* (*dbusmenu_menuitem_new_func)();
  44 typedef bool (*dbusmenu_menuitem_child_add_position_func)(
  45     DbusmenuMenuitem* parent,
  46     DbusmenuMenuitem* child,
  47     unsigned int position);
  48 typedef DbusmenuMenuitem* (*dbusmenu_menuitem_child_append_func)(
  49     DbusmenuMenuitem* parent,
  50     DbusmenuMenuitem* child);
  51 typedef bool (*dbusmenu_menuitem_child_delete_func)(
  52     DbusmenuMenuitem* parent,
  53     DbusmenuMenuitem* child);
  54 typedef GList* (*dbusmenu_menuitem_get_children_func)(
  55     DbusmenuMenuitem* item);
  56 typedef DbusmenuMenuitem* (*dbusmenu_menuitem_property_set_func)(
  57     DbusmenuMenuitem* item,
  58     const char* property,
  59     const char* value);
  60 typedef DbusmenuMenuitem* (*dbusmenu_menuitem_property_set_variant_func)(
  61     DbusmenuMenuitem* item,
  62     const char* property,
  63     GVariant* value);
  64 typedef DbusmenuMenuitem* (*dbusmenu_menuitem_property_set_bool_func)(
  65     DbusmenuMenuitem* item,
  66     const char* property,
  67     bool value);
  68 typedef DbusmenuMenuitem* (*dbusmenu_menuitem_property_set_int_func)(
  69     DbusmenuMenuitem* item,
  70     const char* property,
  71     int value);
  72
  73 typedef struct _DbusmenuServer      DbusmenuServer;
  74 typedef DbusmenuServer* (*dbusmenu_server_new_func)(const char* object);
  75 typedef void (*dbusmenu_server_set_root_func)(DbusmenuServer* self,
  76                                               DbusmenuMenuitem* root);
  77
  78 // A line in the static menu definitions.
  79 struct GlobalMenuBarCommand {
  80   int str_id;
  81   int command;
  82   int tag;
  83 };
  84
  85 namespace {
  86
  87 // Retrieved functions from libdbusmenu-glib.
  88
  89 // DbusmenuMenuItem methods:
  90 dbusmenu_menuitem_new_func menuitem_new = NULL;
  91 dbusmenu_menuitem_get_children_func menuitem_get_children = NULL;
  92 dbusmenu_menuitem_child_add_position_func menuitem_child_add_position = NULL;
  93 dbusmenu_menuitem_child_append_func menuitem_child_append = NULL;
  94 dbusmenu_menuitem_child_delete_func menuitem_child_delete = NULL;
  95 dbusmenu_menuitem_property_set_func menuitem_property_set = NULL;
  96 dbusmenu_menuitem_property_set_variant_func menuitem_property_set_variant =
  97     NULL;
  98 dbusmenu_menuitem_property_set_bool_func menuitem_property_set_bool = NULL;
  99 dbusmenu_menuitem_property_set_int_func menuitem_property_set_int = NULL;
 100
 101 // DbusmenuServer methods:
 102 dbusmenu_server_new_func server_new = NULL;
 103 dbusmenu_server_set_root_func server_set_root = NULL;
 104
 105 // Properties that we set on menu items:
 106 const char kPropertyEnabled[] = "enabled";
 107 const char kPropertyLabel[] = "label";
 108 const char kPropertyShortcut[] = "shortcut";
 109 const char kPropertyType[] = "type";
 110 const char kPropertyToggleType[] = "toggle-type";
 111 const char kPropertyToggleState[] = "toggle-state";
 112 const char kPropertyVisible[] = "visible";
 113
 114 const char kTypeCheckmark[] = "checkmark";
 115 const char kTypeSeparator[] = "separator";
 116
 117 // Data set on GObjectgs.
 118 const char kTypeTag[] = "type-tag";
 119 const char kHistoryItem[] = "history-item";
 120 const char kProfileId[] = "profile-id";
 121
 122 // The maximum number of most visited items to display.
 123 const unsigned int kMostVisitedCount = 8;
 124
 125 // The number of recently closed items to get.
 126 const unsigned int kRecentlyClosedCount = 8;
 127
 128 // Menus more than this many chars long will get trimmed.
 129 const int kMaximumMenuWidthInChars = 50;
 130
 131 // Constants used in menu definitions.
 132 const int MENU_SEPARATOR =-1;
 133 const int MENU_END = -2;
 134 const int MENU_DISABLED_ID = -3;
 135
 136 // These tag values are used to refer to menu items.
 137 const int TAG_MOST_VISITED = 1;
 138 const int TAG_RECENTLY_CLOSED = 2;
 139 const int TAG_MOST_VISITED_HEADER = 3;
 140 const int TAG_RECENTLY_CLOSED_HEADER = 4;
 141 const int TAG_PROFILES = 5;
 142
 143 GlobalMenuBarCommand file_menu[] = {
 144   { IDS_NEW_TAB, IDC_NEW_TAB },
 145   { IDS_NEW_WINDOW, IDC_NEW_WINDOW },
 146   { IDS_NEW_INCOGNITO_WINDOW, IDC_NEW_INCOGNITO_WINDOW },
 147   { IDS_REOPEN_CLOSED_TABS_LINUX, IDC_RESTORE_TAB },
 148   { IDS_OPEN_FILE_LINUX, IDC_OPEN_FILE },
 149   { IDS_OPEN_LOCATION_LINUX, IDC_FOCUS_LOCATION },
 150
 151   { MENU_SEPARATOR, MENU_SEPARATOR },
 152
 153   { IDS_CREATE_SHORTCUTS, IDC_CREATE_SHORTCUTS },
 154
 155   { MENU_SEPARATOR, MENU_SEPARATOR },
 156
 157   { IDS_CLOSE_WINDOW_LINUX, IDC_CLOSE_WINDOW },
 158   { IDS_CLOSE_TAB_LINUX, IDC_CLOSE_TAB },
 159   { IDS_SAVE_PAGE, IDC_SAVE_PAGE },
 160
 161   { MENU_SEPARATOR, MENU_SEPARATOR },
 162
 163   { IDS_PRINT, IDC_PRINT },
 164
 165   { MENU_END, MENU_END }
 166 };
 167
 168 GlobalMenuBarCommand edit_menu[] = {
 169   { IDS_CUT, IDC_CUT },
 170   { IDS_COPY, IDC_COPY },
 171   { IDS_PASTE, IDC_PASTE },
 172
 173   { MENU_SEPARATOR, MENU_SEPARATOR },
 174
 175   { IDS_FIND, IDC_FIND },
 176
 177   { MENU_SEPARATOR, MENU_SEPARATOR },
 178
 179   { IDS_PREFERENCES, IDC_OPTIONS },
 180
 181   { MENU_END, MENU_END }
 182 };
 183
 184 GlobalMenuBarCommand view_menu[] = {
 185   { IDS_SHOW_BOOKMARK_BAR, IDC_SHOW_BOOKMARK_BAR },
 186
 187   { MENU_SEPARATOR, MENU_SEPARATOR },
 188
 189   { IDS_STOP_MENU_LINUX, IDC_STOP },
 190   { IDS_RELOAD_MENU_LINUX, IDC_RELOAD },
 191
 192   { MENU_SEPARATOR, MENU_SEPARATOR },
 193
 194   { IDS_FULLSCREEN, IDC_FULLSCREEN },
 195   { IDS_TEXT_DEFAULT_LINUX, IDC_ZOOM_NORMAL },
 196   { IDS_TEXT_BIGGER_LINUX, IDC_ZOOM_PLUS },
 197   { IDS_TEXT_SMALLER_LINUX, IDC_ZOOM_MINUS },
 198
 199   { MENU_END, MENU_END }
 200 };
 201
 202 GlobalMenuBarCommand history_menu[] = {
 203   { IDS_HISTORY_HOME_LINUX, IDC_HOME },
 204   { IDS_HISTORY_BACK_LINUX, IDC_BACK },
 205   { IDS_HISTORY_FORWARD_LINUX, IDC_FORWARD },
 206
 207   { MENU_SEPARATOR, MENU_SEPARATOR },
 208
 209   { IDS_HISTORY_VISITED_LINUX, MENU_DISABLED_ID, TAG_MOST_VISITED_HEADER },
 210
 211   { MENU_SEPARATOR, MENU_SEPARATOR },
 212
 213   { IDS_HISTORY_CLOSED_LINUX, MENU_DISABLED_ID, TAG_RECENTLY_CLOSED_HEADER },
 214
 215   { MENU_SEPARATOR, MENU_SEPARATOR },
 216
 217   { IDS_SHOWFULLHISTORY_LINK, IDC_SHOW_HISTORY },
 218
 219   { MENU_END, MENU_END }
 220 };
 221
 222 GlobalMenuBarCommand tools_menu[] = {
 223   { IDS_SHOW_DOWNLOADS, IDC_SHOW_DOWNLOADS },
 224   { IDS_SHOW_HISTORY, IDC_SHOW_HISTORY },
 225   { IDS_SHOW_EXTENSIONS, IDC_MANAGE_EXTENSIONS },
 226
 227   { MENU_SEPARATOR, MENU_SEPARATOR },
 228
 229   { IDS_TASK_MANAGER, IDC_TASK_MANAGER },
 230   { IDS_CLEAR_BROWSING_DATA, IDC_CLEAR_BROWSING_DATA },
 231
 232   { MENU_SEPARATOR, MENU_SEPARATOR },
 233
 234   { IDS_VIEW_SOURCE, IDC_VIEW_SOURCE },
 235   { IDS_DEV_TOOLS, IDC_DEV_TOOLS },
 236   { IDS_DEV_TOOLS_CONSOLE, IDC_DEV_TOOLS_CONSOLE },
 237   { IDS_DEV_TOOLS_DEVICES, IDC_DEV_TOOLS_DEVICES },
 238
 239   { MENU_END, MENU_END }
 240 };
 241
 242 GlobalMenuBarCommand help_menu[] = {
 243 #if defined(GOOGLE_CHROME_BUILD)
 244   { IDS_FEEDBACK, IDC_FEEDBACK },
 245 #endif
 246   { IDS_HELP_PAGE , IDC_HELP_PAGE_VIA_MENU },
 247   { MENU_END, MENU_END }
 248 };
 249
 250 GlobalMenuBarCommand profiles_menu[] = {
 251   { MENU_SEPARATOR, MENU_SEPARATOR },
 252   { MENU_END, MENU_END }
 253 };
 254
 255 void EnsureMethodsLoaded() {
 256   static bool attempted_load = false;
 257   if (attempted_load)
 258     return;
 259   attempted_load = true;
 260
 261   void* dbusmenu_lib = dlopen("libdbusmenu-glib.so", RTLD_LAZY);
 262   if (!dbusmenu_lib)
 263     dbusmenu_lib = dlopen("libdbusmenu-glib.so.4", RTLD_LAZY);
 264   if (!dbusmenu_lib)
 265     return;
 266
 267   // DbusmenuMenuItem methods.
 268   menuitem_new = reinterpret_cast<dbusmenu_menuitem_new_func>(
 269       dlsym(dbusmenu_lib, "dbusmenu_menuitem_new"));
 270   menuitem_child_add_position =
 271       reinterpret_cast<dbusmenu_menuitem_child_add_position_func>(
 272           dlsym(dbusmenu_lib, "dbusmenu_menuitem_child_add_position"));
 273   menuitem_child_append = reinterpret_cast<dbusmenu_menuitem_child_append_func>(
 274       dlsym(dbusmenu_lib, "dbusmenu_menuitem_child_append"));
 275   menuitem_child_delete = reinterpret_cast<dbusmenu_menuitem_child_delete_func>(
 276       dlsym(dbusmenu_lib, "dbusmenu_menuitem_child_delete"));
 277   menuitem_get_children = reinterpret_cast<dbusmenu_menuitem_get_children_func>(
 278       dlsym(dbusmenu_lib, "dbusmenu_menuitem_get_children"));
 279   menuitem_property_set = reinterpret_cast<dbusmenu_menuitem_property_set_func>(
 280       dlsym(dbusmenu_lib, "dbusmenu_menuitem_property_set"));
 281   menuitem_property_set_variant =
 282       reinterpret_cast<dbusmenu_menuitem_property_set_variant_func>(
 283           dlsym(dbusmenu_lib, "dbusmenu_menuitem_property_set_variant"));
 284   menuitem_property_set_bool =
 285       reinterpret_cast<dbusmenu_menuitem_property_set_bool_func>(
 286           dlsym(dbusmenu_lib, "dbusmenu_menuitem_property_set_bool"));
 287   menuitem_property_set_int =
 288       reinterpret_cast<dbusmenu_menuitem_property_set_int_func>(
 289           dlsym(dbusmenu_lib, "dbusmenu_menuitem_property_set_int"));
 290
 291   // DbusmenuServer methods.
 292   server_new = reinterpret_cast<dbusmenu_server_new_func>(
 293       dlsym(dbusmenu_lib, "dbusmenu_server_new"));
 294   server_set_root = reinterpret_cast<dbusmenu_server_set_root_func>(
 295       dlsym(dbusmenu_lib, "dbusmenu_server_set_root"));
 296 }
 297
 298 }  // namespace
 299
 300 struct GlobalMenuBarX11::HistoryItem {
 301   HistoryItem() : session_id(0) {}
 302
 303   // The title for the menu item.
 304   base::string16 title;
 305   // The URL that will be navigated to if the user selects this item.
 306   GURL url;
 307
 308   // This ID is unique for a browser session and can be passed to the
 309   // TabRestoreService to re-open the closed window or tab that this
 310   // references. A non-0 session ID indicates that this is an entry can be
 311   // restored that way. Otherwise, the URL will be used to open the item and
 312   // this ID will be 0.
 313   SessionID::id_type session_id;
 314
 315   // If the HistoryItem is a window, this will be the vector of tabs. Note
 316   // that this is a list of weak references. The |menu_item_map_| is the owner
 317   // of all items. If it is not a window, then the entry is a single page and
 318   // the vector will be empty.
 319   std::vector<HistoryItem*> tabs;
 320
 321  private:
 322   DISALLOW_COPY_AND_ASSIGN(HistoryItem);
 323 };
 324
 325 GlobalMenuBarX11::GlobalMenuBarX11(BrowserView* browser_view,
 326                                    BrowserDesktopWindowTreeHostX11* host)
 327     : browser_(browser_view->browser()),
 328       profile_(browser_->profile()),
 329       browser_view_(browser_view),
 330       host_(host),
 331       server_(NULL),
 332       root_item_(NULL),
 333       history_menu_(NULL),
 334       profiles_menu_(NULL),
 335       top_sites_(NULL),
 336       tab_restore_service_(NULL),
 337       weak_ptr_factory_(this) {
 338   EnsureMethodsLoaded();
 339
 340   if (server_new)
 341     host_->AddObserver(this);
 342 }
 343
 344 GlobalMenuBarX11::~GlobalMenuBarX11() {
 345   if (server_) {
 346     Disable();
 347
 348     if (tab_restore_service_)
 349       tab_restore_service_->RemoveObserver(this);
 350
 351     g_object_unref(server_);
 352     host_->RemoveObserver(this);
 353   }
 354   BrowserList::RemoveObserver(this);
 355 }
 356
 357 // static
 358 std::string GlobalMenuBarX11::GetPathForWindow(unsigned long xid) {
 359   return base::StringPrintf("/com/canonical/menu/%lX", xid);
 360 }
 361
 362 DbusmenuMenuitem* GlobalMenuBarX11::BuildSeparator() {
 363   DbusmenuMenuitem* item = menuitem_new();
 364   menuitem_property_set(item, kPropertyType, kTypeSeparator);
 365   menuitem_property_set_bool(item, kPropertyVisible, true);
 366   return item;
 367 }
 368
 369 DbusmenuMenuitem* GlobalMenuBarX11::BuildMenuItem(
 370     const std::string& label,
 371     int tag_id) {
 372   DbusmenuMenuitem* item = menuitem_new();
 373   menuitem_property_set(item, kPropertyLabel, label.c_str());
 374   menuitem_property_set_bool(item, kPropertyVisible, true);
 375
 376   if (tag_id)
 377     g_object_set_data(G_OBJECT(item), kTypeTag, GINT_TO_POINTER(tag_id));
 378
 379   return item;
 380 }
 381
 382 void GlobalMenuBarX11::InitServer(unsigned long xid) {
 383   std::string path = GetPathForWindow(xid);
 384   {
 385     ANNOTATE_SCOPED_MEMORY_LEAK; // http://crbug.com/314087
 386     server_ = server_new(path.c_str());
 387   }
 388
 389   root_item_ = menuitem_new();
 390   menuitem_property_set(root_item_, kPropertyLabel, "Root");
 391   menuitem_property_set_bool(root_item_, kPropertyVisible, true);
 392
 393   // First build static menu content.
 394   BuildStaticMenu(root_item_, IDS_FILE_MENU_LINUX, file_menu);
 395   BuildStaticMenu(root_item_, IDS_EDIT_MENU_LINUX, edit_menu);
 396   BuildStaticMenu(root_item_, IDS_VIEW_MENU_LINUX, view_menu);
 397   history_menu_ = BuildStaticMenu(
 398       root_item_, IDS_HISTORY_MENU_LINUX, history_menu);
 399   BuildStaticMenu(root_item_, IDS_TOOLS_MENU_LINUX, tools_menu);
 400   profiles_menu_ = BuildStaticMenu(
 401       root_item_, IDS_PROFILES_OPTIONS_GROUP_NAME, profiles_menu);
 402   BuildStaticMenu(root_item_, IDS_HELP_MENU_LINUX, help_menu);
 403
 404   // We have to connect to |history_menu_item|'s "activate" signal instead of
 405   // |history_menu|'s "show" signal because we are not supposed to modify the
 406   // menu during "show"
 407   g_signal_connect(history_menu_, "about-to-show",
 408                    G_CALLBACK(OnHistoryMenuAboutToShowThunk), this);
 409
 410   for (CommandIDMenuItemMap::const_iterator it = id_to_menu_item_.begin();
 411        it != id_to_menu_item_.end(); ++it) {
 412     menuitem_property_set_bool(it->second, kPropertyEnabled,
 413                                chrome::IsCommandEnabled(browser_, it->first));
 414
 415     ui::Accelerator accelerator;
 416     if (browser_view_->GetAccelerator(it->first, &accelerator))
 417       RegisterAccelerator(it->second, accelerator);
 418
 419     chrome::AddCommandObserver(browser_, it->first, this);
 420   }
 421
 422   pref_change_registrar_.Init(browser_->profile()->GetPrefs());
 423   pref_change_registrar_.Add(
 424       bookmarks::prefs::kShowBookmarkBar,
 425       base::Bind(&GlobalMenuBarX11::OnBookmarkBarVisibilityChanged,
 426                  base::Unretained(this)));
 427   OnBookmarkBarVisibilityChanged();
 428
 429   top_sites_ = profile_->GetTopSites();
 430   if (top_sites_) {
 431     GetTopSitesData();
 432
 433     // Register for notification when TopSites changes so that we can update
 434     // ourself.
 435     registrar_.Add(this, chrome::NOTIFICATION_TOP_SITES_CHANGED,
 436                    content::Source<history::TopSites>(top_sites_));
 437   }
 438
 439   ProfileManager* profile_manager = g_browser_process->profile_manager();
 440   DCHECK(profile_manager);
 441   avatar_menu_.reset(new AvatarMenu(
 442       &profile_manager->GetProfileInfoCache(), this, NULL));
 443   avatar_menu_->RebuildMenu();
 444   BrowserList::AddObserver(this);
 445
 446   RebuildProfilesMenu();
 447
 448   server_set_root(server_, root_item_);
 449 }
 450
 451 void GlobalMenuBarX11::Disable() {
 452   for (CommandIDMenuItemMap::const_iterator it = id_to_menu_item_.begin();
 453        it != id_to_menu_item_.end(); ++it) {
 454     chrome::RemoveCommandObserver(browser_, it->first, this);
 455   }
 456   id_to_menu_item_.clear();
 457
 458   pref_change_registrar_.RemoveAll();
 459 }
 460
 461 DbusmenuMenuitem* GlobalMenuBarX11::BuildStaticMenu(
 462     DbusmenuMenuitem* parent,
 463     int menu_str_id,
 464     GlobalMenuBarCommand* commands) {
 465   DbusmenuMenuitem* top = menuitem_new();
 466   menuitem_property_set(
 467       top, kPropertyLabel,
 468       ui::RemoveWindowsStyleAccelerators(
 469           l10n_util::GetStringUTF8(menu_str_id)).c_str());
 470   menuitem_property_set_bool(top, kPropertyVisible, true);
 471
 472   for (int i = 0; commands[i].str_id != MENU_END; ++i) {
 473     DbusmenuMenuitem* menu_item = NULL;
 474     int command_id = commands[i].command;
 475     if (commands[i].str_id == MENU_SEPARATOR) {
 476       menu_item = BuildSeparator();
 477     } else {
 478       std::string label = ui::ConvertAcceleratorsFromWindowsStyle(
 479           l10n_util::GetStringUTF8(commands[i].str_id));
 480
 481       menu_item = BuildMenuItem(label, commands[i].tag);
 482
 483       if (command_id == MENU_DISABLED_ID) {
 484         menuitem_property_set_bool(menu_item, kPropertyEnabled, false);
 485       } else {
 486         if (command_id == IDC_SHOW_BOOKMARK_BAR)
 487           menuitem_property_set(menu_item, kPropertyToggleType, kTypeCheckmark);
 488
 489         id_to_menu_item_.insert(std::make_pair(command_id, menu_item));
 490         g_object_set_data(G_OBJECT(menu_item), "command-id",
 491                           GINT_TO_POINTER(command_id));
 492         g_signal_connect(menu_item, "item-activated",
 493                          G_CALLBACK(OnItemActivatedThunk), this);
 494       }
 495     }
 496
 497     menuitem_child_append(top, menu_item);
 498     g_object_unref(menu_item);
 499   }
 500
 501   menuitem_child_append(parent, top);
 502   g_object_unref(top);
 503   return top;
 504 }
 505
 506 void GlobalMenuBarX11::RegisterAccelerator(DbusmenuMenuitem* item,
 507                                            const ui::Accelerator& accelerator) {
 508   // A translation of libdbusmenu-gtk's menuitem_property_set_shortcut()
 509   // translated from GDK types to ui::Accelerator types.
 510   GVariantBuilder builder;
 511   g_variant_builder_init(&builder, G_VARIANT_TYPE_ARRAY);
 512
 513   if (accelerator.IsCtrlDown())
 514     g_variant_builder_add(&builder, "s", "Control");
 515   if (accelerator.IsAltDown())
 516     g_variant_builder_add(&builder, "s", "Alt");
 517   if (accelerator.IsShiftDown())
 518     g_variant_builder_add(&builder, "s", "Shift");
 519
 520   char* name = XKeysymToString(XKeysymForWindowsKeyCode(
 521       accelerator.key_code(), false));
 522   if (!name) {
 523     NOTIMPLEMENTED();
 524     return;
 525   }
 526   g_variant_builder_add(&builder, "s", name);
 527
 528   GVariant* inside_array = g_variant_builder_end(&builder);
 529   g_variant_builder_init(&builder, G_VARIANT_TYPE_ARRAY);
 530   g_variant_builder_add_value(&builder, inside_array);
 531   GVariant* outside_array = g_variant_builder_end(&builder);
 532
 533   menuitem_property_set_variant(item, kPropertyShortcut, outside_array);
 534 }
 535
 536 GlobalMenuBarX11::HistoryItem* GlobalMenuBarX11::HistoryItemForTab(
 537     const TabRestoreService::Tab& entry) {
 538   const sessions::SerializedNavigationEntry& current_navigation =
 539       entry.navigations.at(entry.current_navigation_index);
 540   HistoryItem* item = new HistoryItem();
 541   item->title = current_navigation.title();
 542   item->url = current_navigation.virtual_url();
 543   item->session_id = entry.id;
 544
 545   return item;
 546 }
 547
 548 void GlobalMenuBarX11::AddHistoryItemToMenu(HistoryItem* item,
 549                                             DbusmenuMenuitem* menu,
 550                                             int tag,
 551                                             int index) {
 552   base::string16 title = item->title;
 553   std::string url_string = item->url.possibly_invalid_spec();
 554
 555   if (title.empty())
 556     title = base::UTF8ToUTF16(url_string);
 557   gfx::ElideString(title, kMaximumMenuWidthInChars, &title);
 558
 559   DbusmenuMenuitem* menu_item = BuildMenuItem(base::UTF16ToUTF8(title), tag);
 560   g_signal_connect(menu_item, "item-activated",
 561                    G_CALLBACK(OnHistoryItemActivatedThunk), this);
 562
 563   g_object_set_data_full(G_OBJECT(menu_item), kHistoryItem, item,
 564                          DeleteHistoryItem);
 565   menuitem_child_add_position(menu, menu_item, index);
 566   g_object_unref(menu_item);
 567 }
 568
 569 void GlobalMenuBarX11::GetTopSitesData() {
 570   DCHECK(top_sites_);
 571
 572   top_sites_->GetMostVisitedURLs(
 573       base::Bind(&GlobalMenuBarX11::OnTopSitesReceived,
 574                  weak_ptr_factory_.GetWeakPtr()), false);
 575 }
 576
 577 void GlobalMenuBarX11::OnTopSitesReceived(
 578     const history::MostVisitedURLList& visited_list) {
 579   ClearMenuSection(history_menu_, TAG_MOST_VISITED);
 580
 581   int index = GetIndexOfMenuItemWithTag(history_menu_,
 582                                         TAG_MOST_VISITED_HEADER) + 1;
 583
 584   for (size_t i = 0; i < visited_list.size() && i < kMostVisitedCount; ++i) {
 585     const history::MostVisitedURL& visited = visited_list[i];
 586     if (visited.url.spec().empty())
 587       break;  // This is the signal that there are no more real visited sites.
 588
 589     HistoryItem* item = new HistoryItem();
 590     item->title = visited.title;
 591     item->url = visited.url;
 592
 593     AddHistoryItemToMenu(item,
 594                          history_menu_,
 595                          TAG_MOST_VISITED,
 596                          index++);
 597   }
 598 }
 599
 600 void GlobalMenuBarX11::OnBookmarkBarVisibilityChanged() {
 601   CommandIDMenuItemMap::iterator it =
 602       id_to_menu_item_.find(IDC_SHOW_BOOKMARK_BAR);
 603   if (it != id_to_menu_item_.end()) {
 604     PrefService* prefs = browser_->profile()->GetPrefs();
 605     // Note: Unlike the GTK version, we don't appear to need to do tricks where
 606     // we block activation while setting the toggle.
 607     menuitem_property_set_int(
 608         it->second,
 609         kPropertyToggleState,
 610         prefs->GetBoolean(bookmarks::prefs::kShowBookmarkBar));
 611   }
 612 }
 613
 614 void GlobalMenuBarX11::RebuildProfilesMenu() {
 615   ClearMenuSection(profiles_menu_, TAG_PROFILES);
 616
 617   // Don't call avatar_menu_->GetActiveProfileIndex() as the as the index might
 618   // be incorrect if RebuildProfilesMenu() is called while we deleting the
 619   // active profile and closing all its browser windows.
 620   int active_profile_index = -1;
 621
 622   for (size_t i = 0; i < avatar_menu_->GetNumberOfItems(); ++i) {
 623     const AvatarMenu::Item& item = avatar_menu_->GetItemAt(i);
 624     base::string16 title = item.name;
 625     gfx::ElideString(title, kMaximumMenuWidthInChars, &title);
 626
 627     DbusmenuMenuitem* menu_item = BuildMenuItem(
 628         base::UTF16ToUTF8(title), TAG_PROFILES);
 629     g_object_set_data(G_OBJECT(menu_item), kProfileId, GINT_TO_POINTER(i));
 630     g_signal_connect(menu_item, "item-activated",
 631                      G_CALLBACK(OnProfileItemActivatedThunk), this);
 632     menuitem_property_set(menu_item, kPropertyToggleType, kTypeCheckmark);
 633     menuitem_property_set_int(menu_item, kPropertyToggleState, item.active);
 634
 635     if (item.active)
 636       active_profile_index = i;
 637
 638     menuitem_child_add_position(profiles_menu_, menu_item, i);
 639     g_object_unref(menu_item);
 640   }
 641
 642   // There is a separator between the list of profiles and the possible actions.
 643   int index = avatar_menu_->GetNumberOfItems() + 1;
 644
 645   DbusmenuMenuitem* edit_profile_item = BuildMenuItem(
 646       l10n_util::GetStringUTF8(IDS_PROFILES_MANAGE_BUTTON_LABEL), TAG_PROFILES);
 647   DbusmenuMenuitem* create_profile_item = BuildMenuItem(
 648       l10n_util::GetStringUTF8(IDS_PROFILES_CREATE_BUTTON_LABEL),
 649       TAG_PROFILES);
 650
 651   // There is no active profile in Guest mode, in which case the action buttons
 652   // should be disabled.
 653   if (active_profile_index >= 0) {
 654     g_object_set_data(G_OBJECT(edit_profile_item), kProfileId,
 655                       GINT_TO_POINTER(active_profile_index));
 656     g_signal_connect(edit_profile_item, "item-activated",
 657                      G_CALLBACK(OnEditProfileItemActivatedThunk), this);
 658     g_signal_connect(create_profile_item, "item-activated",
 659                      G_CALLBACK(OnCreateProfileItemActivatedThunk), this);
 660   } else {
 661     menuitem_property_set_bool(edit_profile_item, kPropertyEnabled, false);
 662     menuitem_property_set_bool(create_profile_item, kPropertyEnabled, false);
 663   }
 664
 665   menuitem_child_add_position(profiles_menu_, edit_profile_item, index++);
 666   menuitem_child_add_position(profiles_menu_, create_profile_item, index);
 667   g_object_unref(edit_profile_item);
 668   g_object_unref(create_profile_item);
 669 }
 670
 671 int GlobalMenuBarX11::GetIndexOfMenuItemWithTag(DbusmenuMenuitem* menu,
 672                                                 int tag_id) {
 673   GList* childs = menuitem_get_children(menu);
 674   int i = 0;
 675   for (; childs != NULL; childs = childs->next, i++) {
 676     int tag =
 677         GPOINTER_TO_INT(g_object_get_data(G_OBJECT(childs->data), kTypeTag));
 678     if (tag == tag_id)
 679       return i;
 680   }
 681
 682   NOTREACHED();
 683   return -1;
 684 }
 685
 686 void GlobalMenuBarX11::ClearMenuSection(DbusmenuMenuitem* menu, int tag_id) {
 687   std::vector<DbusmenuMenuitem*> menuitems_to_delete;
 688
 689   GList* childs = menuitem_get_children(menu);
 690   for (; childs != NULL; childs = childs->next) {
 691     DbusmenuMenuitem* current_item = reinterpret_cast<DbusmenuMenuitem*>(
 692         childs->data);
 693     ClearMenuSection(current_item, tag_id);
 694
 695     int tag =
 696         GPOINTER_TO_INT(g_object_get_data(G_OBJECT(childs->data), kTypeTag));
 697     if (tag == tag_id)
 698       menuitems_to_delete.push_back(current_item);
 699   }
 700
 701   for (std::vector<DbusmenuMenuitem*>::const_iterator it =
 702            menuitems_to_delete.begin(); it != menuitems_to_delete.end(); ++it) {
 703     menuitem_child_delete(menu, *it);
 704   }
 705 }
 706
 707 // static
 708 void GlobalMenuBarX11::DeleteHistoryItem(void* void_item) {
 709   HistoryItem* item =
 710       reinterpret_cast<GlobalMenuBarX11::HistoryItem*>(void_item);
 711   delete item;
 712 }
 713
 714 void GlobalMenuBarX11::OnAvatarMenuChanged(AvatarMenu* avatar_menu) {
 715   RebuildProfilesMenu();
 716 }
 717
 718 void GlobalMenuBarX11::OnBrowserSetLastActive(Browser* browser) {
 719   // Rebuild the avatar menu so that the items have the correct active state.
 720   avatar_menu_->RebuildMenu();
 721   avatar_menu_->ActiveBrowserChanged(browser);
 722   RebuildProfilesMenu();
 723 }
 724
 725 void GlobalMenuBarX11::EnabledStateChangedForCommand(int id, bool enabled) {
 726   CommandIDMenuItemMap::iterator it = id_to_menu_item_.find(id);
 727   if (it != id_to_menu_item_.end())
 728     menuitem_property_set_bool(it->second, kPropertyEnabled, enabled);
 729 }
 730
 731 void GlobalMenuBarX11::Observe(int type,
 732                                const content::NotificationSource& source,
 733                                const content::NotificationDetails& details) {
 734   if (type == chrome::NOTIFICATION_TOP_SITES_CHANGED) {
 735     GetTopSitesData();
 736   } else {
 737     NOTREACHED();
 738   }
 739 }
 740
 741 void GlobalMenuBarX11::TabRestoreServiceChanged(TabRestoreService* service) {
 742   const TabRestoreService::Entries& entries = service->entries();
 743
 744   ClearMenuSection(history_menu_, TAG_RECENTLY_CLOSED);
 745
 746   // We'll get the index the "Recently Closed" header. (This can vary depending
 747   // on the number of "Most Visited" items.
 748   int index = GetIndexOfMenuItemWithTag(history_menu_,
 749                                         TAG_RECENTLY_CLOSED_HEADER) + 1;
 750
 751   unsigned int added_count = 0;
 752   for (TabRestoreService::Entries::const_iterator it = entries.begin();
 753        it != entries.end() && added_count < kRecentlyClosedCount; ++it) {
 754     TabRestoreService::Entry* entry = *it;
 755
 756     if (entry->type == TabRestoreService::WINDOW) {
 757       TabRestoreService::Window* entry_win =
 758           static_cast<TabRestoreService::Window*>(entry);
 759       std::vector<TabRestoreService::Tab>& tabs = entry_win->tabs;
 760       if (tabs.empty())
 761         continue;
 762
 763       // Create the item for the parent/window.
 764       HistoryItem* item = new HistoryItem();
 765       item->session_id = entry_win->id;
 766
 767       std::string title = tabs.size() == 1 ?
 768           l10n_util::GetStringUTF8(
 769               IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_SINGLE) :
 770           l10n_util::GetStringFUTF8(
 771               IDS_NEW_TAB_RECENTLY_CLOSED_WINDOW_MULTIPLE,
 772               base::IntToString16(tabs.size()));
 773       DbusmenuMenuitem* parent_item = BuildMenuItem(
 774           title, TAG_RECENTLY_CLOSED);
 775       menuitem_child_add_position(history_menu_, parent_item, index++);
 776       g_object_unref(parent_item);
 777
 778       // The mac version of this code allows the user to click on the parent
 779       // menu item to have the same effect as clicking the restore window
 780       // submenu item. GTK+ helpfully activates a menu item when it shows a
 781       // submenu so toss that feature out.
 782       DbusmenuMenuitem* restore_item = BuildMenuItem(
 783           l10n_util::GetStringUTF8(
 784               IDS_HISTORY_CLOSED_RESTORE_WINDOW_LINUX).c_str(),
 785           TAG_RECENTLY_CLOSED);
 786       g_signal_connect(restore_item, "item-activated",
 787                        G_CALLBACK(OnHistoryItemActivatedThunk), this);
 788       g_object_set_data_full(G_OBJECT(restore_item), kHistoryItem, item,
 789                              DeleteHistoryItem);
 790       menuitem_child_append(parent_item, restore_item);
 791       g_object_unref(restore_item);
 792
 793       DbusmenuMenuitem* separator = BuildSeparator();
 794       menuitem_child_append(parent_item, separator);
 795       g_object_unref(separator);
 796
 797       // Loop over the window's tabs and add them to the submenu.
 798       int subindex = 2;
 799       std::vector<TabRestoreService::Tab>::const_iterator iter;
 800       for (iter = tabs.begin(); iter != tabs.end(); ++iter) {
 801         TabRestoreService::Tab tab = *iter;
 802         HistoryItem* tab_item = HistoryItemForTab(tab);
 803         item->tabs.push_back(tab_item);
 804         AddHistoryItemToMenu(tab_item,
 805                              parent_item,
 806                              TAG_RECENTLY_CLOSED,
 807                              subindex++);
 808       }
 809
 810       ++added_count;
 811     } else if (entry->type == TabRestoreService::TAB) {
 812       TabRestoreService::Tab* tab = static_cast<TabRestoreService::Tab*>(entry);
 813       HistoryItem* item = HistoryItemForTab(*tab);
 814       AddHistoryItemToMenu(item,
 815                            history_menu_,
 816                            TAG_RECENTLY_CLOSED,
 817                            index++);
 818       ++added_count;
 819     }
 820   }
 821 }
 822
 823 void GlobalMenuBarX11::TabRestoreServiceDestroyed(
 824     TabRestoreService* service) {
 825   tab_restore_service_ = NULL;
 826 }
 827
 828 void GlobalMenuBarX11::OnWindowMapped(unsigned long xid) {
 829   if (!server_)
 830     InitServer(xid);
 831
 832   GlobalMenuBarRegistrarX11::GetInstance()->OnWindowMapped(xid);
 833 }
 834
 835 void GlobalMenuBarX11::OnWindowUnmapped(unsigned long xid) {
 836   GlobalMenuBarRegistrarX11::GetInstance()->OnWindowUnmapped(xid);
 837 }
 838
 839 void GlobalMenuBarX11::OnItemActivated(DbusmenuMenuitem* item,
 840                                        unsigned int timestamp) {
 841   int id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(item), "command-id"));
 842   chrome::ExecuteCommand(browser_, id);
 843 }
 844
 845 void GlobalMenuBarX11::OnHistoryItemActivated(DbusmenuMenuitem* sender,
 846                                               unsigned int timestamp) {
 847   // Note: We don't have access to the event modifiers used to click the menu
 848   // item since that happens in a different process.
 849   HistoryItem* item = reinterpret_cast<HistoryItem*>(
 850       g_object_get_data(G_OBJECT(sender), kHistoryItem));
 851
 852   // If this item can be restored using TabRestoreService, do so. Otherwise,
 853   // just load the URL.
 854   TabRestoreService* service =
 855       TabRestoreServiceFactory::GetForProfile(profile_);
 856   if (item->session_id && service) {
 857     service->RestoreEntryById(browser_->tab_restore_service_delegate(),
 858                               item->session_id, browser_->host_desktop_type(),
 859                               UNKNOWN);
 860   } else {
 861     DCHECK(item->url.is_valid());
 862     browser_->OpenURL(content::OpenURLParams(
 863         item->url,
 864         content::Referrer(),
 865         NEW_FOREGROUND_TAB,
 866         ui::PAGE_TRANSITION_AUTO_BOOKMARK,
 867         false));
 868   }
 869 }
 870
 871 void GlobalMenuBarX11::OnHistoryMenuAboutToShow(DbusmenuMenuitem* item) {
 872   if (!tab_restore_service_) {
 873     tab_restore_service_ = TabRestoreServiceFactory::GetForProfile(profile_);
 874     if (tab_restore_service_) {
 875       tab_restore_service_->LoadTabsFromLastSession();
 876       tab_restore_service_->AddObserver(this);
 877
 878       // If LoadTabsFromLastSession doesn't load tabs, it won't call
 879       // TabRestoreServiceChanged(). This ensures that all new windows after
 880       // the first one will have their menus populated correctly.
 881       TabRestoreServiceChanged(tab_restore_service_);
 882     }
 883   }
 884 }
 885
 886 void GlobalMenuBarX11::OnProfileItemActivated(DbusmenuMenuitem* sender,
 887                                               unsigned int timestamp) {
 888   int id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(sender), kProfileId));
 889   avatar_menu_->SwitchToProfile(id, false, ProfileMetrics::SWITCH_PROFILE_MENU);
 890 }
 891
 892 void GlobalMenuBarX11::OnEditProfileItemActivated(DbusmenuMenuitem* sender,
 893                                                   unsigned int timestamp) {
 894   int id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(sender), kProfileId));
 895   avatar_menu_->EditProfile(id);
 896 }
 897
 898 void GlobalMenuBarX11::OnCreateProfileItemActivated(DbusmenuMenuitem* sender,
 899                                                     unsigned int timestamp) {
 900   avatar_menu_->AddNewProfile(ProfileMetrics::ADD_NEW_USER_MENU);
 901 }