src/chrome/browser/extensions/api/feedback_private/feedback_service.h

   1 // Copyright 2013 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_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_SERVICE_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_SERVICE_H_
   7
   8 #include <vector>
   9 #include "base/basictypes.h"
  10 #include "base/callback.h"
  11 #include "base/memory/linked_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "chrome/browser/extensions/blob_reader.h"
  14 #include "chrome/browser/feedback/system_logs/scrubbed_system_logs_fetcher.h"
  15 #include "chrome/common/extensions/api/feedback_private.h"
  16 #include "components/feedback/feedback_data.h"
  17
  18 class Profile;
  19
  20 using extensions::api::feedback_private::SystemInformation;
  21
  22 namespace extensions {
  23
  24 typedef std::vector<linked_ptr<SystemInformation> > SystemInformationList;
  25
  26 class FeedbackService {
  27  public:
  28   typedef base::Callback<void(bool)> SendFeedbackCallback;
  29   typedef base::Callback<void(const SystemInformationList& sys_info)>
  30       GetSystemInformationCallback;
  31
  32   // Creates a platform-specific FeedbackService instance.
  33   static FeedbackService* CreateInstance();
  34
  35   virtual ~FeedbackService();
  36
  37   // Sends a feedback report.
  38   void SendFeedback(Profile* profile,
  39                     scoped_refptr<feedback::FeedbackData> feedback_data,
  40                     const SendFeedbackCallback& callback);
  41
  42   // Start to gather system information.
  43   // The |callback| will be invoked once the query is completed.
  44   void GetSystemInformation(const GetSystemInformationCallback& callback);
  45
  46   // Platform specific methods:
  47   // Gets the email address of the logged in user.
  48   virtual std::string GetUserEmail() = 0;
  49
  50   // Gets the histograms in JSON.
  51   virtual void GetHistograms(std::string* histograms) = 0;
  52
  53  protected:
  54   FeedbackService();
  55
  56   // Used to get a weak ptr for a derived class instance.
  57   virtual base::WeakPtr<FeedbackService> GetWeakPtr() = 0;
  58
  59   // Callbacks to receive blob data.
  60   void AttachedFileCallback(scoped_ptr<std::string> data,
  61                             int64 total_blob_length);
  62   void ScreenshotCallback(scoped_ptr<std::string> data,
  63                           int64 total_blob_length);
  64
  65   // Checks if we have read all the blobs we need to; signals the feedback
  66   // data object once all the requisite data has been populated.
  67   void CompleteSendFeedback();
  68
  69  private:
  70   void OnSystemLogsFetchComplete(
  71       scoped_ptr<system_logs::SystemLogsResponse> sys_info);
  72
  73   GetSystemInformationCallback system_information_callback_;
  74   SendFeedbackCallback send_feedback_callback_;
  75
  76   scoped_refptr<feedback::FeedbackData> feedback_data_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(FeedbackService);
  79 };
  80
  81 }  // namespace extensions
  82
  83 #endif  // CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_SERVICE_H_