Factor out AppLifetimeMonitor.

AppLifetimeMonitor listens to extension host notifications and observes
ShellWindowRegistry. It sends out notifications when:
- an app starts
- the first shell window opens
- the last shell window closes
- the app stops

BUG=

Review URL: https://chromiumcodereview.appspot.com/16412002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204487 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 48 insertions, 0 deletions

diff --git a/apps/app_lifetime_monitor_factory.cc b/apps/app_lifetime_monitor_factory.cc
new file mode 100644
index 0000000..66cfdf4
--- /dev/null
+++ b/apps/app_lifetime_monitor_factory.cc
@@ -0,0 +1,48 @@
+// Copyright 2013 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 "apps/app_lifetime_monitor_factory.h"
+
+#include "apps/app_lifetime_monitor.h"
+#include "chrome/browser/extensions/shell_window_registry.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+
+namespace apps {
+
+// static
+AppLifetimeMonitor* AppLifetimeMonitorFactory::GetForProfile(Profile* profile) {
+  return static_cast<AppLifetimeMonitor*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+AppLifetimeMonitorFactory* AppLifetimeMonitorFactory::GetInstance() {
+  return Singleton<AppLifetimeMonitorFactory>::get();
+}
+
+AppLifetimeMonitorFactory::AppLifetimeMonitorFactory()
+    : BrowserContextKeyedServiceFactory(
+        "AppLifetimeMonitor",
+        BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(extensions::ShellWindowRegistry::Factory::GetInstance());
+}
+
+AppLifetimeMonitorFactory::~AppLifetimeMonitorFactory() {}
+
+BrowserContextKeyedService* AppLifetimeMonitorFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return new AppLifetimeMonitor(static_cast<Profile*>(profile));
+}
+
+bool AppLifetimeMonitorFactory::ServiceIsCreatedWithBrowserContext() const {
+  return false;
+}
+
+content::BrowserContext* AppLifetimeMonitorFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}
+
+}  // namespace apps