src/chrome/browser/notifications/message_center_settings_controller.cc

   1 // Copyright (c) 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/notifications/message_center_settings_controller.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/command_line.h"
  10 #include "base/i18n/string_compare.h"
  11 #include "base/message_loop/message_loop_proxy.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/task/cancelable_task_tracker.h"
  14 #include "chrome/browser/browser_process.h"
  15 #include "chrome/browser/chrome_notification_types.h"
  16 #include "chrome/browser/content_settings/host_content_settings_map.h"
  17 #include "chrome/browser/extensions/app_icon_loader_impl.h"
  18 #include "chrome/browser/favicon/favicon_service.h"
  19 #include "chrome/browser/favicon/favicon_service_factory.h"
  20 #include "chrome/browser/notifications/desktop_notification_profile_util.h"
  21 #include "chrome/browser/notifications/desktop_notification_service.h"
  22 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  23 #include "chrome/browser/notifications/sync_notifier/chrome_notifier_service.h"
  24 #include "chrome/browser/notifications/sync_notifier/chrome_notifier_service_factory.h"
  25 #include "chrome/browser/profiles/profile.h"
  26 #include "chrome/browser/profiles/profile_info_cache.h"
  27 #include "chrome/browser/profiles/profile_manager.h"
  28 #include "chrome/common/extensions/api/notifications.h"
  29 #include "chrome/common/extensions/extension_constants.h"
  30 #include "components/favicon_base/favicon_types.h"
  31 #include "components/history/core/browser/history_types.h"
  32 #include "content/public/browser/notification_service.h"
  33 #include "content/public/browser/notification_source.h"
  34 #include "extensions/browser/event_router.h"
  35 #include "extensions/browser/extension_registry.h"
  36 #include "extensions/common/constants.h"
  37 #include "extensions/common/extension.h"
  38 #include "extensions/common/permissions/permissions_data.h"
  39 #include "grit/theme_resources.h"
  40 #include "ui/base/l10n/l10n_util.h"
  41 #include "ui/base/resource/resource_bundle.h"
  42 #include "ui/gfx/image/image.h"
  43 #include "ui/message_center/message_center_style.h"
  44 #include "ui/strings/grit/ui_strings.h"
  45
  46 #if defined(OS_CHROMEOS)
  47 #include "ash/system/system_notifier.h"
  48 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  49 #endif
  50
  51 using message_center::Notifier;
  52 using message_center::NotifierId;
  53
  54 namespace message_center {
  55
  56 class ProfileNotifierGroup : public message_center::NotifierGroup {
  57  public:
  58   ProfileNotifierGroup(const gfx::Image& icon,
  59                        const base::string16& display_name,
  60                        const base::string16& login_info,
  61                        size_t index,
  62                        const base::FilePath& profile_path);
  63   ProfileNotifierGroup(const gfx::Image& icon,
  64                        const base::string16& display_name,
  65                        const base::string16& login_info,
  66                        size_t index,
  67                        Profile* profile);
  68   virtual ~ProfileNotifierGroup() {}
  69
  70   Profile* profile() const { return profile_; }
  71
  72  private:
  73   Profile* profile_;
  74 };
  75
  76 ProfileNotifierGroup::ProfileNotifierGroup(const gfx::Image& icon,
  77                                            const base::string16& display_name,
  78                                            const base::string16& login_info,
  79                                            size_t index,
  80                                            const base::FilePath& profile_path)
  81     : message_center::NotifierGroup(icon, display_name, login_info, index),
  82       profile_(NULL) {
  83   // Try to get the profile
  84   profile_ =
  85       g_browser_process->profile_manager()->GetProfileByPath(profile_path);
  86 }
  87
  88 ProfileNotifierGroup::ProfileNotifierGroup(const gfx::Image& icon,
  89                                            const base::string16& display_name,
  90                                            const base::string16& login_info,
  91                                            size_t index,
  92                                            Profile* profile)
  93     : message_center::NotifierGroup(icon, display_name, login_info, index),
  94       profile_(profile) {
  95 }
  96
  97 }  // namespace message_center
  98
  99 namespace {
 100 class NotifierComparator {
 101  public:
 102   explicit NotifierComparator(icu::Collator* collator) : collator_(collator) {}
 103
 104   bool operator() (Notifier* n1, Notifier* n2) {
 105     return base::i18n::CompareString16WithCollator(
 106         collator_, n1->name, n2->name) == UCOL_LESS;
 107   }
 108
 109  private:
 110   icu::Collator* collator_;
 111 };
 112
 113 bool SimpleCompareNotifiers(Notifier* n1, Notifier* n2) {
 114   return n1->name < n2->name;
 115 }
 116
 117 }  // namespace
 118
 119 MessageCenterSettingsController::MessageCenterSettingsController(
 120     ProfileInfoCache* profile_info_cache)
 121     : current_notifier_group_(0),
 122       profile_info_cache_(profile_info_cache),
 123       weak_factory_(this) {
 124   DCHECK(profile_info_cache_);
 125   // The following events all represent changes that may need to be reflected in
 126   // the profile selector context menu, so listen for them all.  We'll just
 127   // rebuild the list when we get any of them.
 128   registrar_.Add(this,
 129                  chrome::NOTIFICATION_PROFILE_CREATED,
 130                  content::NotificationService::AllBrowserContextsAndSources());
 131   registrar_.Add(this,
 132                  chrome::NOTIFICATION_PROFILE_ADDED,
 133                  content::NotificationService::AllBrowserContextsAndSources());
 134   registrar_.Add(this,
 135                  chrome::NOTIFICATION_PROFILE_DESTROYED,
 136                  content::NotificationService::AllBrowserContextsAndSources());
 137   registrar_.Add(this,
 138                  chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 139                  content::NotificationService::AllBrowserContextsAndSources());
 140   RebuildNotifierGroups();
 141
 142 #if defined(OS_CHROMEOS)
 143   // UserManager may not exist in some tests.
 144   if (user_manager::UserManager::IsInitialized())
 145     user_manager::UserManager::Get()->AddSessionStateObserver(this);
 146 #endif
 147 }
 148
 149 MessageCenterSettingsController::~MessageCenterSettingsController() {
 150 #if defined(OS_CHROMEOS)
 151   // UserManager may not exist in some tests.
 152   if (user_manager::UserManager::IsInitialized())
 153     user_manager::UserManager::Get()->RemoveSessionStateObserver(this);
 154 #endif
 155 }
 156
 157 void MessageCenterSettingsController::AddObserver(
 158     message_center::NotifierSettingsObserver* observer) {
 159   observers_.AddObserver(observer);
 160 }
 161
 162 void MessageCenterSettingsController::RemoveObserver(
 163     message_center::NotifierSettingsObserver* observer) {
 164   observers_.RemoveObserver(observer);
 165 }
 166
 167 size_t MessageCenterSettingsController::GetNotifierGroupCount() const {
 168   return notifier_groups_.size();
 169 }
 170
 171 const message_center::NotifierGroup&
 172 MessageCenterSettingsController::GetNotifierGroupAt(size_t index) const {
 173   DCHECK_LT(index, notifier_groups_.size());
 174   return *(notifier_groups_[index]);
 175 }
 176
 177 bool MessageCenterSettingsController::IsNotifierGroupActiveAt(
 178     size_t index) const {
 179   return current_notifier_group_ == index;
 180 }
 181
 182 const message_center::NotifierGroup&
 183 MessageCenterSettingsController::GetActiveNotifierGroup() const {
 184   DCHECK_LT(current_notifier_group_, notifier_groups_.size());
 185   return *(notifier_groups_[current_notifier_group_]);
 186 }
 187
 188 void MessageCenterSettingsController::SwitchToNotifierGroup(size_t index) {
 189   DCHECK_LT(index, notifier_groups_.size());
 190   if (current_notifier_group_ == index)
 191     return;
 192
 193   current_notifier_group_ = index;
 194   FOR_EACH_OBSERVER(message_center::NotifierSettingsObserver,
 195                     observers_,
 196                     NotifierGroupChanged());
 197 }
 198
 199 void MessageCenterSettingsController::GetNotifierList(
 200     std::vector<Notifier*>* notifiers) {
 201   DCHECK(notifiers);
 202   if (notifier_groups_.size() <= current_notifier_group_)
 203     return;
 204   // Temporarily use the last used profile to prevent chrome from crashing when
 205   // the default profile is not loaded.
 206   Profile* profile = notifier_groups_[current_notifier_group_]->profile();
 207
 208   DesktopNotificationService* notification_service =
 209       DesktopNotificationServiceFactory::GetForProfile(profile);
 210
 211   UErrorCode error = U_ZERO_ERROR;
 212   scoped_ptr<icu::Collator> collator(icu::Collator::createInstance(error));
 213   scoped_ptr<NotifierComparator> comparator;
 214   if (!U_FAILURE(error))
 215     comparator.reset(new NotifierComparator(collator.get()));
 216
 217   const extensions::ExtensionSet& extension_set =
 218       extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
 219   // The extension icon size has to be 32x32 at least to load bigger icons if
 220   // the icon doesn't exist for the specified size, and in that case it falls
 221   // back to the default icon. The fetched icon will be resized in the settings
 222   // dialog. See chrome/browser/extensions/extension_icon_image.cc and
 223   // crbug.com/222931
 224   app_icon_loader_.reset(new extensions::AppIconLoaderImpl(
 225       profile, extension_misc::EXTENSION_ICON_SMALL, this));
 226   for (extensions::ExtensionSet::const_iterator iter = extension_set.begin();
 227        iter != extension_set.end();
 228        ++iter) {
 229     const extensions::Extension* extension = iter->get();
 230     if (!extension->permissions_data()->HasAPIPermission(
 231             extensions::APIPermission::kNotifications)) {
 232       continue;
 233     }
 234
 235     NotifierId notifier_id(NotifierId::APPLICATION, extension->id());
 236     notifiers->push_back(new Notifier(
 237         notifier_id,
 238         base::UTF8ToUTF16(extension->name()),
 239         notification_service->IsNotifierEnabled(notifier_id)));
 240     app_icon_loader_->FetchImage(extension->id());
 241   }
 242
 243   int app_count = notifiers->size();
 244
 245   ContentSettingsForOneType settings;
 246   DesktopNotificationProfileUtil::GetNotificationsSettings(profile, &settings);
 247
 248   FaviconService* favicon_service =
 249       FaviconServiceFactory::GetForProfile(profile, Profile::EXPLICIT_ACCESS);
 250   favicon_tracker_.reset(new base::CancelableTaskTracker());
 251   patterns_.clear();
 252   for (ContentSettingsForOneType::const_iterator iter = settings.begin();
 253        iter != settings.end(); ++iter) {
 254     if (iter->primary_pattern == ContentSettingsPattern::Wildcard() &&
 255         iter->secondary_pattern == ContentSettingsPattern::Wildcard() &&
 256         iter->source != "preference") {
 257       continue;
 258     }
 259
 260     std::string url_pattern = iter->primary_pattern.ToString();
 261     base::string16 name = base::UTF8ToUTF16(url_pattern);
 262     GURL url(url_pattern);
 263     NotifierId notifier_id(url);
 264     notifiers->push_back(new Notifier(
 265         notifier_id,
 266         name,
 267         notification_service->IsNotifierEnabled(notifier_id)));
 268     patterns_[name] = iter->primary_pattern;
 269     // Note that favicon service obtains the favicon from history. This means
 270     // that it will fail to obtain the image if there are no history data for
 271     // that URL.
 272     favicon_service->GetFaviconImageForPageURL(
 273         url,
 274         base::Bind(&MessageCenterSettingsController::OnFaviconLoaded,
 275                    base::Unretained(this),
 276                    url),
 277         favicon_tracker_.get());
 278   }
 279
 280   // Screenshot notification feature is only for ChromeOS. See crbug.com/238358
 281 #if defined(OS_CHROMEOS)
 282   const base::string16 screenshot_name =
 283       l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_NOTIFIER_SCREENSHOT_NAME);
 284   NotifierId screenshot_notifier_id(
 285       NotifierId::SYSTEM_COMPONENT, ash::system_notifier::kNotifierScreenshot);
 286   Notifier* const screenshot_notifier = new Notifier(
 287       screenshot_notifier_id,
 288       screenshot_name,
 289       notification_service->IsNotifierEnabled(screenshot_notifier_id));
 290   screenshot_notifier->icon =
 291       ui::ResourceBundle::GetSharedInstance().GetImageNamed(
 292           IDR_SCREENSHOT_NOTIFICATION_ICON);
 293   notifiers->push_back(screenshot_notifier);
 294 #endif
 295
 296   if (comparator) {
 297     std::sort(notifiers->begin() + app_count, notifiers->end(), *comparator);
 298   } else {
 299     std::sort(notifiers->begin() + app_count, notifiers->end(),
 300               SimpleCompareNotifiers);
 301   }
 302 }
 303
 304 void MessageCenterSettingsController::SetNotifierEnabled(
 305     const Notifier& notifier,
 306     bool enabled) {
 307   DCHECK_LT(current_notifier_group_, notifier_groups_.size());
 308   Profile* profile = notifier_groups_[current_notifier_group_]->profile();
 309
 310   DesktopNotificationService* notification_service =
 311       DesktopNotificationServiceFactory::GetForProfile(profile);
 312
 313   if (notifier.notifier_id.type == NotifierId::WEB_PAGE) {
 314     // WEB_PAGE notifier cannot handle in DesktopNotificationService
 315     // since it has the exact URL pattern.
 316     // TODO(mukai): fix this.
 317     ContentSetting default_setting =
 318         profile->GetHostContentSettingsMap()->GetDefaultContentSetting(
 319             CONTENT_SETTINGS_TYPE_NOTIFICATIONS, NULL);
 320
 321     DCHECK(default_setting == CONTENT_SETTING_ALLOW ||
 322            default_setting == CONTENT_SETTING_BLOCK ||
 323            default_setting == CONTENT_SETTING_ASK);
 324     if ((enabled && default_setting != CONTENT_SETTING_ALLOW) ||
 325         (!enabled && default_setting == CONTENT_SETTING_ALLOW)) {
 326       if (notifier.notifier_id.url.is_valid()) {
 327         if (enabled)
 328           DesktopNotificationProfileUtil::GrantPermission(
 329               profile, notifier.notifier_id.url);
 330         else
 331           DesktopNotificationProfileUtil::DenyPermission(
 332               profile, notifier.notifier_id.url);
 333       } else {
 334         LOG(ERROR) << "Invalid url pattern: "
 335                    << notifier.notifier_id.url.spec();
 336       }
 337     } else {
 338       std::map<base::string16, ContentSettingsPattern>::const_iterator iter =
 339           patterns_.find(notifier.name);
 340       if (iter != patterns_.end()) {
 341         DesktopNotificationProfileUtil::ClearSetting(profile, iter->second);
 342       } else {
 343         LOG(ERROR) << "Invalid url pattern: "
 344                    << notifier.notifier_id.url.spec();
 345       }
 346     }
 347   } else {
 348     notification_service->SetNotifierEnabled(notifier.notifier_id, enabled);
 349   }
 350   FOR_EACH_OBSERVER(message_center::NotifierSettingsObserver,
 351                     observers_,
 352                     NotifierEnabledChanged(notifier.notifier_id, enabled));
 353 }
 354
 355 void MessageCenterSettingsController::OnNotifierSettingsClosing() {
 356   DCHECK(favicon_tracker_.get());
 357   favicon_tracker_->TryCancelAll();
 358   patterns_.clear();
 359 }
 360
 361 bool MessageCenterSettingsController::NotifierHasAdvancedSettings(
 362     const NotifierId& notifier_id) const {
 363   // TODO(dewittj): Refactor this so that notifiers have a delegate that can
 364   // handle this in a more appropriate location.
 365   if (notifier_id.type != NotifierId::APPLICATION)
 366     return false;
 367
 368   const std::string& extension_id = notifier_id.id;
 369
 370   if (notifier_groups_.size() < current_notifier_group_)
 371     return false;
 372   Profile* profile = notifier_groups_[current_notifier_group_]->profile();
 373
 374   extensions::EventRouter* event_router = extensions::EventRouter::Get(profile);
 375
 376   return event_router->ExtensionHasEventListener(
 377       extension_id, extensions::api::notifications::OnShowSettings::kEventName);
 378 }
 379
 380 void MessageCenterSettingsController::OnNotifierAdvancedSettingsRequested(
 381     const NotifierId& notifier_id,
 382     const std::string* notification_id) {
 383   // TODO(dewittj): Refactor this so that notifiers have a delegate that can
 384   // handle this in a more appropriate location.
 385   if (notifier_id.type != NotifierId::APPLICATION)
 386     return;
 387
 388   const std::string& extension_id = notifier_id.id;
 389
 390   if (notifier_groups_.size() < current_notifier_group_)
 391     return;
 392   Profile* profile = notifier_groups_[current_notifier_group_]->profile();
 393
 394   extensions::EventRouter* event_router = extensions::EventRouter::Get(profile);
 395   scoped_ptr<base::ListValue> args(new base::ListValue());
 396
 397   scoped_ptr<extensions::Event> event(new extensions::Event(
 398       extensions::api::notifications::OnShowSettings::kEventName, args.Pass()));
 399   event_router->DispatchEventToExtension(extension_id, event.Pass());
 400 }
 401
 402 void MessageCenterSettingsController::OnFaviconLoaded(
 403     const GURL& url,
 404     const favicon_base::FaviconImageResult& favicon_result) {
 405   FOR_EACH_OBSERVER(message_center::NotifierSettingsObserver,
 406                     observers_,
 407                     UpdateIconImage(NotifierId(url), favicon_result.image));
 408 }
 409
 410
 411 #if defined(OS_CHROMEOS)
 412 void MessageCenterSettingsController::ActiveUserChanged(
 413     const user_manager::User* active_user) {
 414   RebuildNotifierGroups();
 415 }
 416 #endif
 417
 418 void MessageCenterSettingsController::SetAppImage(const std::string& id,
 419                                                   const gfx::ImageSkia& image) {
 420   FOR_EACH_OBSERVER(message_center::NotifierSettingsObserver,
 421                     observers_,
 422                     UpdateIconImage(NotifierId(NotifierId::APPLICATION, id),
 423                                     gfx::Image(image)));
 424 }
 425
 426 void MessageCenterSettingsController::Observe(
 427     int type,
 428     const content::NotificationSource& source,
 429     const content::NotificationDetails& details) {
 430   // GetOffTheRecordProfile() may create a new off-the-record profile, but that
 431   // doesn't need to rebuild the groups.
 432   if (type == chrome::NOTIFICATION_PROFILE_CREATED &&
 433       content::Source<Profile>(source).ptr()->IsOffTheRecord()) {
 434     return;
 435   }
 436
 437   RebuildNotifierGroups();
 438   FOR_EACH_OBSERVER(message_center::NotifierSettingsObserver,
 439                     observers_,
 440                     NotifierGroupChanged());
 441 }
 442
 443 #if defined(OS_CHROMEOS)
 444 void MessageCenterSettingsController::CreateNotifierGroupForGuestLogin() {
 445   // Already created.
 446   if (!notifier_groups_.empty())
 447     return;
 448
 449   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 450   // |notifier_groups_| can be empty in login screen too.
 451   if (!user_manager->IsLoggedInAsGuest())
 452     return;
 453
 454   user_manager::User* user = user_manager->GetActiveUser();
 455   Profile* profile =
 456       chromeos::ProfileHelper::Get()->GetProfileByUserUnsafe(user);
 457   DCHECK(profile);
 458   notifier_groups_.push_back(
 459       new message_center::ProfileNotifierGroup(gfx::Image(user->GetImage()),
 460                                                user->GetDisplayName(),
 461                                                user->GetDisplayName(),
 462                                                0,
 463                                                profile));
 464
 465   FOR_EACH_OBSERVER(message_center::NotifierSettingsObserver,
 466                     observers_,
 467                     NotifierGroupChanged());
 468 }
 469 #endif
 470
 471 void MessageCenterSettingsController::RebuildNotifierGroups() {
 472   notifier_groups_.clear();
 473   current_notifier_group_ = 0;
 474
 475   const size_t count = profile_info_cache_->GetNumberOfProfiles();
 476
 477   for (size_t i = 0; i < count; ++i) {
 478     scoped_ptr<message_center::ProfileNotifierGroup> group(
 479         new message_center::ProfileNotifierGroup(
 480             profile_info_cache_->GetAvatarIconOfProfileAtIndex(i),
 481             profile_info_cache_->GetNameOfProfileAtIndex(i),
 482             profile_info_cache_->GetUserNameOfProfileAtIndex(i),
 483             i,
 484             profile_info_cache_->GetPathOfProfileAtIndex(i)));
 485     if (group->profile() == NULL)
 486       continue;
 487
 488 #if defined(OS_CHROMEOS)
 489     // Allows the active user only.
 490     // UserManager may not exist in some tests.
 491     if (user_manager::UserManager::IsInitialized()) {
 492       user_manager::UserManager* user_manager =
 493           user_manager::UserManager::Get();
 494       if (chromeos::ProfileHelper::Get()->GetUserByProfile(group->profile()) !=
 495           user_manager->GetActiveUser()) {
 496         continue;
 497       }
 498     }
 499
 500     // In ChromeOS, the login screen first creates a dummy profile which is not
 501     // actually used, and then the real profile for the user is created when
 502     // login (or turns into kiosk mode). This profile should be skipped.
 503     if (chromeos::ProfileHelper::IsSigninProfile(group->profile()))
 504       continue;
 505 #endif
 506     notifier_groups_.push_back(group.release());
 507   }
 508
 509 #if defined(OS_CHROMEOS)
 510   // ChromeOS guest login cannot get the profile from the for-loop above, so
 511   // get the group here.
 512   if (notifier_groups_.empty() && user_manager::UserManager::IsInitialized() &&
 513       user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 514     // Do not invoke CreateNotifierGroupForGuestLogin() directly. In some tests,
 515     // this method may be called before the primary profile is created, which
 516     // means ProfileHelper::Get()->GetProfileByUser() will create a new primary
 517     // profile. But creating a primary profile causes an Observe() before
 518     // registering it as the primary one, which causes this method which causes
 519     // another creating a primary profile, and causes an infinite loop.
 520     // Thus, it would be better to delay creating group for guest login.
 521     base::MessageLoopProxy::current()->PostTask(
 522         FROM_HERE,
 523         base::Bind(
 524             &MessageCenterSettingsController::CreateNotifierGroupForGuestLogin,
 525             weak_factory_.GetWeakPtr()));
 526   }
 527 #endif
 528 }