Check import module update before launching the primary kiosk app.

chrome/browser/chromeos/app_mode/startup_app_launcher.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager_observer.h"
 #include "chrome/browser/extensions/install_observer.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "google_apis/gaia/oauth2_token_service.h"
 
 class Profile;
 
 namespace chromeos {
 
 // Launches the app at startup. The flow roughly looks like this:
 // First call Initialize():
 // - Attempts to load oauth token file. Stores the loaded tokens in
 //   |auth_params_|.
 // - Initialize token service and inject |auth_params_| if needed.
 // - Initialize network if app is not installed or not offline_enabled.
 // - If network is online, install or update the app as needed.
 // - After the app is installed/updated, launch it and finish the flow;
 // Report OnLauncherInitialized() or OnLaunchFailed() to observers:
 // - If all goes good, launches the app and finish the flow;
 class StartupAppLauncher : public base::SupportsWeakPtr<StartupAppLauncher>,
                            public OAuth2TokenService::Observer,
                            public extensions::InstallObserver,
-                           public KioskAppManagerObserver {
+                           public KioskAppManagerObserver,
+                           public content::NotificationObserver {
  public:
   class Delegate {
    public:
     // Invoked to perform actual network initialization work. Note the app
     // launch flow is paused until ContinueWithNetworkReady is called.
     virtual void InitializeNetwork() = 0;
 
     // Returns true if Internet is online.
     virtual bool IsNetworkReady() = 0;
 
@@ skipping 41 matching lines @@
 
   void BeginInstall();
   void OnReadyToLaunch();
   void UpdateAppData();
 
   void InitializeTokenService();
   void MaybeInitializeNetwork();
   void MaybeInstallSecondaryApps();
   void MaybeLaunchApp();
 
+  void MaybeCheckExtensionUpdate();
+  void OnExtensionUpdateCheckFinished();
+
   void StartLoadingOAuthFile();
   static void LoadOAuthFileOnBlockingPool(KioskOAuthParams* auth_params);
   void OnOAuthFileLoaded(KioskOAuthParams* auth_params);
 
   void OnKioskAppDataLoadStatusChanged(const std::string& app_id);
 
   // Returns true if any secondary app is pending.
   bool IsAnySecondaryAppPending() const;
 
   // Returns true if all secondary apps have been installed.
@@ skipping 14 matching lines @@
   void OnRefreshTokensLoaded() override;
 
   // extensions::InstallObserver overrides.
   void OnFinishCrxInstall(const std::string& extension_id,
                           bool success) override;
 
   // KioskAppManagerObserver overrides.
   void OnKioskExtensionLoadedInCache(const std::string& app_id) override;
   void OnKioskExtensionDownloadFailed(const std::string& app_id) override;
 
+  // content::NotificationObserver implementation.
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
+
   Profile* profile_;
   const std::string app_id_;
   const bool diagnostic_mode_;
   Delegate* delegate_;
-  bool network_ready_handled_;
-  int launch_attempt_;
-  bool ready_to_launch_;
-  bool wait_for_crx_update_;
-  bool secondary_apps_updated_;
+  bool network_ready_handled_ = false;
+  int launch_attempt_ = 0;
+  bool ready_to_launch_ = false;
+  bool wait_for_crx_update_ = false;
+  bool secondary_apps_installed_ = false;
+  bool extension_update_found_ = false;
 
   KioskOAuthParams auth_params_;
+  content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(StartupAppLauncher);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_