Move implementation of BrowserList onto an inner, instantiatable class, BrowserListImpl.

chrome/browser/ui/browser_list_impl.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/browser_list_impl.h"
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/browser_shutdown.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_list_observer.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/chrome_switches.h"
+#include "content/public/browser/notification_service.h"
+
+// #include "build/build_config.h"
+// #include "chrome/browser/prefs/pref_service.h"
+
+
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/login/user_manager.h"
+#endif
+
+namespace chrome {
+
+// static
+BrowserListImpl* BrowserListImpl::native_instance_ = NULL;
+BrowserListImpl* BrowserListImpl::ash_instance_ = NULL;
+
+////////////////////////////////////////////////////////////////////////////////
+// BrowserListImpl, public:
+
+// static
+BrowserListImpl* BrowserListImpl::GetInstance(HostDesktopType type) {
+  BrowserListImpl** list = NULL;
+  if (type == HOST_DESKTOP_TYPE_NATIVE)
+    list = &native_instance_;
+  else if (type == HOST_DESKTOP_TYPE_ASH)
+    list = &ash_instance_;
+  else
+    NOTREACHED();
+  if (!*list)
+    *list = new BrowserListImpl;
+  return *list;
+}
+
+void BrowserListImpl::AddBrowser(Browser* browser) {
+  DCHECK(browser);
+  browsers_.push_back(browser);
+
+  g_browser_process->AddRefModule();
+
+  content::NotificationService::current()->Notify(
+      chrome::NOTIFICATION_BROWSER_OPENED,
+      content::Source<Browser>(browser),
+      content::NotificationService::NoDetails());
+
+  // Send out notifications after add has occurred. Do some basic checking to
+  // try to catch evil observers that change the list from under us.
+  size_t original_count = observers_.size();
+  FOR_EACH_OBSERVER(BrowserListObserver, observers_, OnBrowserAdded(browser));
+  DCHECK_EQ(original_count, observers_.size())
+      << "observer list modified during notification";
+}
+
+void BrowserListImpl::RemoveBrowser(Browser* browser) {
+  RemoveBrowserFrom(browser, &last_active_browsers_);
+
+  // Many UI tests rely on closing the last browser window quitting the
+  // application.
+  // Mac: Closing all windows does not indicate quitting the application. Lie
+  // for now and ignore behavior outside of unit tests.
+  // ChromeOS: Force closing last window to close app with flag.
+  // TODO(andybons | pkotwicz): Fix the UI tests to Do The Right Thing.
+#if defined(OS_CHROMEOS)
+  bool closing_app;
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableZeroBrowsersOpenForTests))
+    closing_app = (browsers_.size() == 1);
+  else
+    closing_app = (browsers_.size() == 1 &&
+        browser_shutdown::IsTryingToQuit());
+#else
+  bool closing_app = (browsers_.size() == 1);
+#endif  // OS_CHROMEOS
+
+  content::NotificationService::current()->Notify(
+      chrome::NOTIFICATION_BROWSER_CLOSED,
+      content::Source<Browser>(browser),
+      content::Details<bool>(&closing_app));
+
+  RemoveBrowserFrom(browser, &browsers_);
+
+  // Do some basic checking to try to catch evil observers
+  // that change the list from under us.
+  size_t original_count = observers_.size();
+  FOR_EACH_OBSERVER(BrowserListObserver, observers_, OnBrowserRemoved(browser));
+  DCHECK_EQ(original_count, observers_.size())
+      << "observer list modified during notification";
+
+  g_browser_process->ReleaseModule();
+
+  // If we're exiting, send out the APP_TERMINATING notification to allow other
+  // modules to shut themselves down.
+  if (browsers_.empty() &&
+      (browser_shutdown::IsTryingToQuit() ||
+       g_browser_process->IsShuttingDown())) {
+    // Last browser has just closed, and this is a user-initiated quit or there
+    // is no module keeping the app alive, so send out our notification. No need
+    // to call ProfileManager::ShutdownSessionServices() as part of the
+    // shutdown, because Browser::WindowClosing() already makes sure that the
+    // SessionService is created and notified.
+    browser::NotifyAppTerminating();
+    browser::OnAppExiting();
+  }
+}
+
+void BrowserListImpl::AddObserver(BrowserListObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void BrowserListImpl::RemoveObserver(BrowserListObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void BrowserListImpl::SetLastActive(Browser* browser) {
+  // If the browser is currently trying to quit, we don't want to set the last
+  // active browser because that can alter the last active browser that the user
+  // intended depending on the order in which the windows close.
+  if (browser_shutdown::IsTryingToQuit())
+    return;
+  RemoveBrowserFrom(browser, &last_active_browsers_);
+  last_active_browsers_.push_back(browser);
+
+  FOR_EACH_OBSERVER(BrowserListObserver, observers_,
+                    OnBrowserSetLastActive(browser));
+}
+
+Browser* BrowserListImpl::GetLastActive() {
+  if (!last_active_browsers_.empty())
+    return *(last_active_browsers_.rbegin());
+  return NULL;
+}
+
+void BrowserListImpl::CloseAllBrowsersWithProfile(Profile* profile) {
+  BrowserVector browsers_to_close;
+  for (BrowserListImpl::const_iterator i = BrowserListImpl::begin();
+       i != BrowserListImpl::end(); ++i) {
+    if ((*i)->profile()->GetOriginalProfile() == profile->GetOriginalProfile())
+      browsers_to_close.push_back(*i);
+  }
+
+  for (BrowserVector::const_iterator i = browsers_to_close.begin();
+       i != browsers_to_close.end(); ++i) {
+    (*i)->window()->Close();
+  }
+}
+
+bool BrowserListImpl::IsIncognitoWindowOpen() {
+  for (BrowserListImpl::const_iterator i = BrowserListImpl::begin();
+       i != BrowserListImpl::end(); ++i) {
+    if ((*i)->profile()->IsOffTheRecord())
+      return true;
+  }
+  return false;
+}
+
+bool BrowserListImpl::IsIncognitoWindowOpenForProfile(Profile* profile) {
+#if defined(OS_CHROMEOS)
+  // In ChromeOS, we assume that the default profile is always valid, so if
+  // we are in guest mode, keep the OTR profile active so it won't be deleted.
+  if (chromeos::UserManager::Get()->IsLoggedInAsGuest())
+    return true;
+#endif
+  for (BrowserListImpl::const_iterator i = BrowserListImpl::begin();
+       i != BrowserListImpl::end(); ++i) {
+    if ((*i)->profile()->IsSameProfile(profile) &&
+        (*i)->profile()->IsOffTheRecord()) {
+      return true;
+    }
+  }
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// BrowserListImpl, private:
+
+BrowserListImpl::BrowserListImpl() {
+}
+
+BrowserListImpl::~BrowserListImpl() {
+}
+
+void BrowserListImpl::RemoveBrowserFrom(Browser* browser,
+                                        BrowserVector* browser_list) {
+  const iterator remove_browser =
+      std::find(browser_list->begin(), browser_list->end(), browser);
+  if (remove_browser != browser_list->end())
+    browser_list->erase(remove_browser);
+}
+
+}  // namespace chrome