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      1 // Copyright 2014 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 #ifndef CHROME_BROWSER_FEEDBACK_FEEDBACK_PROFILE_OBSERVER_H_
      6 #define CHROME_BROWSER_FEEDBACK_FEEDBACK_PROFILE_OBSERVER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/lazy_instance.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/notification_registrar.h"
     12 
     13 namespace content {
     14 class BrowserContext;
     15 }
     16 
     17 namespace feedback {
     18 
     19 class FeedbackUploader;
     20 
     21 // FeedbackProfileObserver waits on profile creation notifications to check
     22 // if the profile has any pending feedback reports to upload. If it does, it
     23 // queues those reports for upload.
     24 class FeedbackProfileObserver : public content::NotificationObserver {
     25  public:
     26   static void Initialize();
     27 
     28  private:
     29   friend struct base::DefaultLazyInstanceTraits<FeedbackProfileObserver>;
     30 
     31   FeedbackProfileObserver();
     32   virtual ~FeedbackProfileObserver();
     33 
     34   // content::NotificationObserver override
     35   virtual void Observe(int type,
     36                        const content::NotificationSource& source,
     37                        const content::NotificationDetails& details) OVERRIDE;
     38 
     39   // Loads any unsent reports from disk and queues them to be uploaded in
     40   // the given browser context.
     41   void QueueUnsentReports(content::BrowserContext* context);
     42 
     43   static void QueueSingleReport(feedback::FeedbackUploader* uploader,
     44                                 const std::string& data);
     45 
     46   // Used to track creation of profiles so we can load any unsent reports
     47   // for that profile.
     48   content::NotificationRegistrar prefs_registrar_;
     49 
     50   DISALLOW_COPY_AND_ASSIGN(FeedbackProfileObserver);
     51 };
     52 
     53 }  // namespace feedback
     54 
     55 #endif  // CHROME_BROWSER_FEEDBACK_FEEDBACK_PROFILE_OBSERVER_H_
     56