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.
5 #ifndef CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_QUEUE_HANDLER_H_
6 #define CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_QUEUE_HANDLER_H_
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"
21 class DictionaryValue;
24 namespace cloud_print {
30 static bool ordering(const JobDetails& first, const JobDetails& second);
33 std::string job_title_;
35 std::string print_ticket_url_;
36 std::string print_data_url_;
38 std::string print_ticket_;
39 base::FilePath print_data_file_path_;
40 std::string print_data_mime_type_;
42 std::vector<std::string> tags_;
44 base::TimeDelta time_remaining_;
47 // class containing logic for print job backoff
49 class PrinterJobQueueHandler {
53 virtual base::Time GetNow() = 0;
54 virtual ~TimeProvider() {}
57 // PrinterJobQueueHandler takes ownership of |time_provider| and is
58 // responsible for deleting it.
59 explicit PrinterJobQueueHandler(TimeProvider* time_provider);
60 PrinterJobQueueHandler();
61 ~PrinterJobQueueHandler();
63 // jobs will be filled with details of all jobs in the queue, sorted by time
64 // until they are ready to print, lowest to highest. Jobs that are ready to
65 // print will have a time_remaining_ of 0.
66 void GetJobsFromQueue(const base::DictionaryValue* json_data,
67 std::vector<JobDetails>* jobs);
69 // Marks a job fetch as failed. Returns "true" if the job will be retried.
70 bool JobFetchFailed(const std::string& job_id);
72 void JobDone(const std::string& job_id);
75 scoped_ptr<TimeProvider> time_provider_;
77 struct FailedJobMetadata {
79 base::Time last_retry_;
82 typedef std::map<std::string, FailedJobMetadata> FailedJobMap;
83 typedef std::pair<std::string, FailedJobMetadata> FailedJobPair;
85 FailedJobMap failed_job_map_;
87 void ConstructJobDetailsFromJson(const base::DictionaryValue* json_data,
88 JobDetails* details_obj);
89 base::TimeDelta ComputeBackoffTime(const std::string& job_id);
91 DISALLOW_COPY_AND_ASSIGN(PrinterJobQueueHandler);
94 } // namespace cloud_print
96 #endif // CHROME_SERVICE_CLOUD_PRINT_PRINTER_JOB_QUEUE_HANDLER_H_