1 /* 2 3 PrintTransport 4 5 Copyright (c) 2004 Haiku. 6 7 Authors: 8 Michael Pfeiffer 9 Philippe Houdoin 10 11 Permission is hereby granted, free of charge, to any person obtaining a copy of 12 this software and associated documentation files (the "Software"), to deal in 13 the Software without restriction, including without limitation the rights to 14 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 15 of the Software, and to permit persons to whom the Software is furnished to do 16 so, subject to the following conditions: 17 18 The above copyright notice and this permission notice shall be included in all 19 copies or substantial portions of the Software. 20 21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 24 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 26 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 27 THE SOFTWARE. 28 29 */ 30 31 #ifndef _PRINT_TRANSPORT_H 32 #define _PRINT_TRANSPORT_H 33 34 #include <image.h> 35 #include <DataIO.h> 36 #include <Node.h> 37 #include <Message.h> 38 39 // The class PrintTransport is intended to be used by 40 // a printer driver. 41 class PrintTransport 42 { 43 public: 44 PrintTransport(); 45 ~PrintTransport(); 46 47 // opens the transport add-on associated with the printerFolder 48 status_t Open(BNode* printerFolder); 49 // returns the output stream created by the transport add-on 50 BDataIO* GetDataIO(); 51 // returns false if the user has canceled the save to file dialog 52 // of the "Print To File" transport add-on. 53 bool IsPrintToFileCanceled() const; 54 55 private: 56 BDataIO* fDataIO; 57 image_id fAddOnID; 58 void (*fExitProc)(void); 59 }; 60 61 #endif // PRINT_TRANSPORT_H 62