Upstream version 5.34.104.0
[platform/framework/web/crosswalk.git] / src / chrome / service / cloud_print / printer_job_queue_handler.h
1 // Copyright (c) 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_SERVICE_CLOUD_PRINT_PRINTER_JOB_QUEUE_HANDLER_H_
6 #define CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_QUEUE_HANDLER_H_
7
8 #include <map>
9 #include <string>
10 #include <utility>
11 #include <vector>
12
13 #include "base/files/file_path.h"
14 #include "base/memory/ref_counted.h"
15 #include "base/memory/scoped_ptr.h"
16 #include "base/memory/weak_ptr.h"
17 #include "base/time/time.h"
18 #include "chrome/common/cloud_print/cloud_print_constants.h"
19
20 namespace base {
21   class DictionaryValue;
22 }
23
24 namespace cloud_print {
25
26 struct JobDetails {
27   JobDetails();
28   ~JobDetails();
29   void Clear();
30   static bool ordering(const JobDetails& first, const JobDetails& second);
31
32   std::string job_id_;
33   std::string job_title_;
34
35   std::string print_ticket_url_;
36   std::string print_data_url_;
37
38   std::string print_ticket_;
39   std::string print_ticket_mime_type_;
40   base::FilePath print_data_file_path_;
41   std::string print_data_mime_type_;
42
43   std::vector<std::string> tags_;
44
45   base::TimeDelta time_remaining_;
46 };
47
48 // class containing logic for print job backoff
49
50 class PrinterJobQueueHandler {
51  public:
52   class TimeProvider {
53    public:
54     virtual base::Time GetNow() = 0;
55     virtual ~TimeProvider() {}
56   };
57
58   // PrinterJobQueueHandler takes ownership of |time_provider| and is
59   // responsible for deleting it.
60   explicit PrinterJobQueueHandler(TimeProvider* time_provider);
61   PrinterJobQueueHandler();
62   ~PrinterJobQueueHandler();
63
64   // jobs will be filled with details of all jobs in the queue, sorted by time
65   // until they are ready to print, lowest to highest. Jobs that are ready to
66   // print will have a time_remaining_ of 0.
67   void GetJobsFromQueue(const base::DictionaryValue* json_data,
68                         std::vector<JobDetails>* jobs);
69
70   // Marks a job fetch as failed. Returns "true" if the job will be retried.
71   bool JobFetchFailed(const std::string& job_id);
72
73   void JobDone(const std::string& job_id);
74
75  private:
76   scoped_ptr<TimeProvider> time_provider_;
77
78   struct FailedJobMetadata {
79     int retries_;
80     base::Time last_retry_;
81   };
82
83   typedef std::map<std::string, FailedJobMetadata> FailedJobMap;
84   typedef std::pair<std::string, FailedJobMetadata> FailedJobPair;
85
86   FailedJobMap failed_job_map_;
87
88   void ConstructJobDetailsFromJson(const base::DictionaryValue* json_data,
89                                    JobDetails* details_obj);
90   base::TimeDelta ComputeBackoffTime(const std::string& job_id);
91
92   DISALLOW_COPY_AND_ASSIGN(PrinterJobQueueHandler);
93 };
94
95 }  // namespace cloud_print
96
97 #endif  // CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_QUEUE_HANDLER_H_
98
99