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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_ |
6 #define CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_ | 6 #define CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
15 #include "base/threading/non_thread_safe.h" | 15 #include "base/threading/non_thread_safe.h" |
16 #include "content/public/browser/notification_observer.h" | 16 #include "content/public/browser/notification_observer.h" |
17 #include "content/public/browser/notification_registrar.h" | 17 #include "content/public/browser/notification_registrar.h" |
18 #include "printing/print_destination_interface.h" | |
19 | 18 |
20 namespace printing { | 19 namespace printing { |
21 | 20 |
22 class JobEventDetails; | 21 class JobEventDetails; |
23 class PrintJob; | 22 class PrintJob; |
24 class PrinterQuery; | 23 class PrinterQuery; |
25 | 24 |
26 class PrintQueriesQueue : public base::RefCountedThreadSafe<PrintQueriesQueue> { | 25 class PrintQueriesQueue : public base::RefCountedThreadSafe<PrintQueriesQueue> { |
27 public: | 26 public: |
28 PrintQueriesQueue(); | 27 PrintQueriesQueue(); |
29 | 28 |
30 // Sets the print destination to be set on the next print job. | |
31 void SetDestination(PrintDestinationInterface* destination); | |
32 | |
33 // Queues a semi-initialized worker thread. Can be called from any thread. | 29 // Queues a semi-initialized worker thread. Can be called from any thread. |
34 // Current use case is queuing from the I/O thread. | 30 // Current use case is queuing from the I/O thread. |
35 // TODO(maruel): Have them vanish after a timeout (~5 minutes?) | 31 // TODO(maruel): Have them vanish after a timeout (~5 minutes?) |
36 void QueuePrinterQuery(PrinterQuery* job); | 32 void QueuePrinterQuery(PrinterQuery* job); |
37 | 33 |
38 // Pops a queued PrintJobWorkerOwner object that was previously queued or | 34 // Pops a queued PrintJobWorkerOwner object that was previously queued or |
39 // create new one. Can be called from any thread. | 35 // create new one. Can be called from any thread. |
40 scoped_refptr<PrinterQuery> PopPrinterQuery(int document_cookie); | 36 scoped_refptr<PrinterQuery> PopPrinterQuery(int document_cookie); |
41 | 37 |
42 // Creates new query. | 38 // Creates new query. |
43 scoped_refptr<PrinterQuery> CreatePrinterQuery(int render_process_id, | 39 scoped_refptr<PrinterQuery> CreatePrinterQuery(int render_process_id, |
44 int render_view_id); | 40 int render_view_id); |
45 | 41 |
46 void Shutdown(); | 42 void Shutdown(); |
47 | 43 |
48 private: | 44 private: |
49 friend class base::RefCountedThreadSafe<PrintQueriesQueue>; | 45 friend class base::RefCountedThreadSafe<PrintQueriesQueue>; |
50 typedef std::vector<scoped_refptr<PrinterQuery> > PrinterQueries; | 46 typedef std::vector<scoped_refptr<PrinterQuery> > PrinterQueries; |
51 | 47 |
52 virtual ~PrintQueriesQueue(); | 48 virtual ~PrintQueriesQueue(); |
53 | 49 |
54 // Used to serialize access to queued_workers_. | 50 // Used to serialize access to queued_workers_. |
55 base::Lock lock_; | 51 base::Lock lock_; |
56 | 52 |
57 PrinterQueries queued_queries_; | 53 PrinterQueries queued_queries_; |
58 | 54 |
59 scoped_refptr<PrintDestinationInterface> destination_; | |
60 | |
61 DISALLOW_COPY_AND_ASSIGN(PrintQueriesQueue); | 55 DISALLOW_COPY_AND_ASSIGN(PrintQueriesQueue); |
62 }; | 56 }; |
63 | 57 |
64 class PrintJobManager : public content::NotificationObserver { | 58 class PrintJobManager : public content::NotificationObserver { |
65 public: | 59 public: |
66 PrintJobManager(); | 60 PrintJobManager(); |
67 virtual ~PrintJobManager(); | 61 virtual ~PrintJobManager(); |
68 | 62 |
69 // On browser quit, we should wait to have the print job finished. | 63 // On browser quit, we should wait to have the print job finished. |
70 void Shutdown(); | 64 void Shutdown(); |
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97 scoped_refptr<PrintQueriesQueue> queue_; | 91 scoped_refptr<PrintQueriesQueue> queue_; |
98 | 92 |
99 bool is_shutdown_; | 93 bool is_shutdown_; |
100 | 94 |
101 DISALLOW_COPY_AND_ASSIGN(PrintJobManager); | 95 DISALLOW_COPY_AND_ASSIGN(PrintJobManager); |
102 }; | 96 }; |
103 | 97 |
104 } // namespace printing | 98 } // namespace printing |
105 | 99 |
106 #endif // CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_ | 100 #endif // CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_ |
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