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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 PRINTING_BACKEND_PRINT_BACKEND_H_ | 5 #ifndef PRINTING_BACKEND_PRINT_BACKEND_H_ |
6 #define PRINTING_BACKEND_PRINT_BACKEND_H_ | 6 #define PRINTING_BACKEND_PRINT_BACKEND_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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104 | 104 |
105 // Gets the information about driver for a specific printer. | 105 // Gets the information about driver for a specific printer. |
106 virtual std::string GetPrinterDriverInfo( | 106 virtual std::string GetPrinterDriverInfo( |
107 const std::string& printer_name) = 0; | 107 const std::string& printer_name) = 0; |
108 | 108 |
109 // Returns true if printer_name points to a valid printer. | 109 // Returns true if printer_name points to a valid printer. |
110 virtual bool IsValidPrinter(const std::string& printer_name) = 0; | 110 virtual bool IsValidPrinter(const std::string& printer_name) = 0; |
111 | 111 |
112 // Allocate a print backend. If |print_backend_settings| is NULL, default | 112 // Allocate a print backend. If |print_backend_settings| is NULL, default |
113 // settings will be used. | 113 // settings will be used. |
114 // Return NULL if no print backend available. | |
115 static scoped_refptr<PrintBackend> CreateInstance( | 114 static scoped_refptr<PrintBackend> CreateInstance( |
116 const base::DictionaryValue* print_backend_settings); | 115 const base::DictionaryValue* print_backend_settings); |
117 | 116 |
118 protected: | 117 protected: |
119 friend class base::RefCountedThreadSafe<PrintBackend>; | 118 friend class base::RefCountedThreadSafe<PrintBackend>; |
120 virtual ~PrintBackend(); | 119 virtual ~PrintBackend(); |
121 }; | 120 }; |
122 | 121 |
123 } // namespace printing | 122 } // namespace printing |
124 | 123 |
125 #endif // PRINTING_BACKEND_PRINT_BACKEND_H_ | 124 #endif // PRINTING_BACKEND_PRINT_BACKEND_H_ |
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