chrome/browser/ui/browser_list.cc

   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 "chrome/browser/ui/browser_list.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/logging.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/browser_shutdown.h"
  12 #include "chrome/browser/chrome_notification_types.h"
  13 #include "chrome/browser/lifetime/application_lifetime.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/browser/ui/browser_finder.h"
  17 #include "chrome/browser/ui/browser_iterator.h"
  18 #include "chrome/browser/ui/browser_list_observer.h"
  19 #include "chrome/browser/ui/browser_window.h"
  20 #include "chrome/browser/ui/host_desktop.h"
  21 #include "content/public/browser/notification_service.h"
  22 #include "content/public/browser/user_metrics.h"
  23
  24 using base::UserMetricsAction;
  25 using content::WebContents;
  26
  27 // static
  28 base::LazyInstance<ObserverList<chrome::BrowserListObserver> >::Leaky
  29     BrowserList::observers_ = LAZY_INSTANCE_INITIALIZER;
  30
  31 // static
  32 BrowserList* BrowserList::native_instance_ = NULL;
  33 BrowserList* BrowserList::ash_instance_ = NULL;
  34
  35 ////////////////////////////////////////////////////////////////////////////////
  36 // BrowserList, public:
  37
  38 Browser* BrowserList::GetLastActive() const {
  39   if (!last_active_browsers_.empty())
  40     return *(last_active_browsers_.rbegin());
  41   return NULL;
  42 }
  43
  44 // static
  45 BrowserList* BrowserList::GetInstance(chrome::HostDesktopType type) {
  46   BrowserList** list = NULL;
  47   if (type == chrome::HOST_DESKTOP_TYPE_NATIVE)
  48     list = &native_instance_;
  49   else if (type == chrome::HOST_DESKTOP_TYPE_ASH)
  50     list = &ash_instance_;
  51   else
  52     NOTREACHED();
  53   if (!*list)
  54     *list = new BrowserList;
  55   return *list;
  56 }
  57
  58 // static
  59 void BrowserList::AddBrowser(Browser* browser) {
  60   DCHECK(browser);
  61   // Push |browser| on the appropriate list instance.
  62   BrowserList* browser_list = GetInstance(browser->host_desktop_type());
  63   browser_list->browsers_.push_back(browser);
  64
  65   g_browser_process->AddRefModule();
  66
  67   content::NotificationService::current()->Notify(
  68       chrome::NOTIFICATION_BROWSER_OPENED,
  69       content::Source<Browser>(browser),
  70       content::NotificationService::NoDetails());
  71
  72   FOR_EACH_OBSERVER(chrome::BrowserListObserver, observers_.Get(),
  73                     OnBrowserAdded(browser));
  74 }
  75
  76 // static
  77 void BrowserList::RemoveBrowser(Browser* browser) {
  78   // Remove |browser| from the appropriate list instance.
  79   BrowserList* browser_list = GetInstance(browser->host_desktop_type());
  80   RemoveBrowserFrom(browser, &browser_list->last_active_browsers_);
  81
  82   content::NotificationService::current()->Notify(
  83       chrome::NOTIFICATION_BROWSER_CLOSED,
  84       content::Source<Browser>(browser),
  85       content::NotificationService::NoDetails());
  86
  87   RemoveBrowserFrom(browser, &browser_list->browsers_);
  88
  89   FOR_EACH_OBSERVER(chrome::BrowserListObserver, observers_.Get(),
  90                     OnBrowserRemoved(browser));
  91
  92   g_browser_process->ReleaseModule();
  93
  94   // If we're exiting, send out the APP_TERMINATING notification to allow other
  95   // modules to shut themselves down.
  96   if (chrome::GetTotalBrowserCount() == 0 &&
  97       (browser_shutdown::IsTryingToQuit() ||
  98        g_browser_process->IsShuttingDown())) {
  99     // Last browser has just closed, and this is a user-initiated quit or there
 100     // is no module keeping the app alive, so send out our notification. No need
 101     // to call ProfileManager::ShutdownSessionServices() as part of the
 102     // shutdown, because Browser::WindowClosing() already makes sure that the
 103     // SessionService is created and notified.
 104     chrome::NotifyAppTerminating();
 105     chrome::OnAppExiting();
 106   }
 107 }
 108
 109 // static
 110 void BrowserList::AddObserver(chrome::BrowserListObserver* observer) {
 111   observers_.Get().AddObserver(observer);
 112 }
 113
 114 // static
 115 void BrowserList::RemoveObserver(chrome::BrowserListObserver* observer) {
 116   observers_.Get().RemoveObserver(observer);
 117 }
 118
 119 void BrowserList::CloseAllBrowsersWithProfile(Profile* profile) {
 120   BrowserVector browsers_to_close;
 121   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
 122     if (it->profile()->GetOriginalProfile() == profile->GetOriginalProfile())
 123       browsers_to_close.push_back(*it);
 124   }
 125
 126   for (BrowserVector::const_iterator it = browsers_to_close.begin();
 127        it != browsers_to_close.end(); ++it) {
 128     (*it)->window()->Close();
 129   }
 130 }
 131
 132 // static
 133 void BrowserList::SetLastActive(Browser* browser) {
 134   content::RecordAction(UserMetricsAction("ActiveBrowserChanged"));
 135   BrowserList* browser_list = GetInstance(browser->host_desktop_type());
 136
 137   RemoveBrowserFrom(browser, &browser_list->last_active_browsers_);
 138   browser_list->last_active_browsers_.push_back(browser);
 139
 140   FOR_EACH_OBSERVER(chrome::BrowserListObserver, observers_.Get(),
 141                     OnBrowserSetLastActive(browser));
 142 }
 143
 144 // static
 145 bool BrowserList::IsOffTheRecordSessionActive() {
 146   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
 147     if (it->profile()->IsOffTheRecord())
 148       return true;
 149   }
 150   return false;
 151 }
 152
 153 // static
 154 bool BrowserList::IsOffTheRecordSessionActiveForProfile(Profile* profile) {
 155   if (profile->IsGuestSession())
 156     return true;
 157   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
 158     if (it->profile()->IsSameProfile(profile) &&
 159         it->profile()->IsOffTheRecord()) {
 160       return true;
 161     }
 162   }
 163   return false;
 164 }
 165
 166 ////////////////////////////////////////////////////////////////////////////////
 167 // BrowserList, private:
 168
 169 BrowserList::BrowserList() {
 170 }
 171
 172 BrowserList::~BrowserList() {
 173 }
 174
 175 // static
 176 void BrowserList::RemoveBrowserFrom(Browser* browser,
 177                                     BrowserVector* browser_list) {
 178   BrowserVector::iterator remove_browser =
 179       std::find(browser_list->begin(), browser_list->end(), browser);
 180   if (remove_browser != browser_list->end())
 181     browser_list->erase(remove_browser);
 182 }