chrome/browser/feedback/feedback_report.h

   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_REPORT_H_
   6 #define CHROME_BROWSER_FEEDBACK_FEEDBACK_REPORT_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback_forward.h"
  12 #include "base/files/file_path.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/time/time.h"
  15
  16 namespace base {
  17 class SequencedTaskRunner;
  18 }
  19
  20 namespace content {
  21 class BrowserContext;
  22 }
  23
  24 namespace feedback {
  25
  26 typedef base::Callback<void(const std::string&)> QueueCallback;
  27
  28 // This class holds a feedback report. Once a report is created, a disk backup
  29 // for it is created automatically. This backup needs to explicitly be
  30 // deleted by calling DeleteReportOnDisk.
  31 class FeedbackReport : public base::RefCounted<FeedbackReport> {
  32  public:
  33   FeedbackReport(content::BrowserContext* context,
  34                  const base::Time& upload_at,
  35                  const std::string& data);
  36
  37   // Stops the disk write of the report and deletes the report file if already
  38   // written.
  39   void DeleteReportOnDisk();
  40
  41   const base::Time& upload_at() const { return upload_at_; }
  42   const std::string& data() const { return data_; }
  43
  44   // Loads the reports still on disk and queues then using the given callback.
  45   // This call blocks on the file reads.
  46   static void LoadReportsAndQueue(content::BrowserContext* context,
  47                                   QueueCallback callback);
  48
  49  private:
  50   friend class base::RefCounted<FeedbackReport>;
  51   virtual ~FeedbackReport();
  52
  53   // Name of the file corresponding to this report.
  54   base::FilePath file_;
  55
  56   base::FilePath reports_path_;
  57   base::Time upload_at_;  // Upload this report at or after this time.
  58   std::string data_;
  59
  60   scoped_refptr<base::SequencedTaskRunner> reports_task_runner_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(FeedbackReport);
  63 };
  64
  65 }  // namespace feedback
  66
  67 #endif  // CHROME_BROWSER_FEEDBACK_FEEDBACK_REPORT_H_