File moved to headers/private/print

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2198 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-12-09 04:32:28 +00:00
parent a93cd287ee
commit 1c1ba0eb0e
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 /*****************************************************************************/
 // Jobs
 //
 // Author
 //   Michael Pfeiffer
 //
 // This application and all source files used in its construction, except 
 // where noted, are licensed under the MIT License, and have been written 
 // and are:
 //
 // Copyright (c) 2002 OpenBeOS Project
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
 // copy of this software and associated documentation files (the "Software"),
 // to deal in the Software without restriction, including without limitation
 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 // and/or sell copies of the Software, and to permit persons to whom the 
 // Software is furnished to do so, subject to the following conditions:
 //
 // The above copyright notice and this permission notice shall be included 
 // in all copies or substantial portions of the Software.
 //
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 /*****************************************************************************/
 #ifndef _JOBS_H
 #define _JOBS_H
 #include "BeUtils.h"
 #include "ObjectList.h"
 #include <Directory.h>
 #include <Entry.h>
 #include <Handler.h>
 #include <String.h>
 #include <StorageDefs.h>
 enum JobStatus {  // job file
 	kWaiting,     //   to be processed
 	kProcessing,  //   processed by a printer add-on
 	kFailed,      //   failed to process the job file
 	kUnknown,     //   other
 };
 class Printer;
 // Job file in printer folder
 class Job : public Object {
 private:
 	BHandler* fHandler;   // the handler that watches the node of the job file
 	BString fName;        // the name of the job file
 	long fTime;           // the time encoded in the file name
 	node_ref fNode;       // the node of the job file
 	entry_ref fEntry;     // the entry of the job file
 	JobStatus fStatus;    // the status of the job file
 	bool fValid;          // is this a valid job file?
 	Printer* fPrinter;    // the printer that processes this job
 	void UpdateStatus(const char* status);
 	void UpdateStatusAttribute(const char* status);
 	bool HasAttribute(BNode* node, const char* name);
 	bool IsValidJobFile();
 public:
 	Job(const BEntry& entry, BHandler* handler);
 	status_t InitCheck() const        { return fTime >= 0 ? B_OK : B_ERROR; }
 	// accessors
 	const BString& Name() const       { return fName; }
 	JobStatus Status() const          { return fStatus; }	
 	bool IsValid() const              { return fValid; }
 	long Time() const                 { return fTime; }
 	const node_ref& NodeRef() const   { return fNode; }
 	const entry_ref& EntryRef() const { return fEntry; }
 	bool IsWaiting() const            { return fStatus == kWaiting; }
 	Printer* GetPrinter() const       { return fPrinter; }
 	// modifiers
 	void SetPrinter(Printer* p) { fPrinter = p; }
 	void SetStatus(JobStatus s, bool writeToNode = true);
 	void UpdateAttribute();
 	void Remove();
 	void StartNodeWatching();
 	void StopNodeWatching();
 };
 // Printer folder watches creation, deletion and attribute changes of job files
 // and notifies print_server if a job is waiting for processing
 class Folder : public BHandler {
 	typedef BHandler inherited;
 private:
 	BDirectory fSpoolDir;
 	BObjectList<Job> fJobs;
 	static int AscendingByTime(const Job* a, const Job* b);
 	bool AddJob(BEntry& entry);
 	Job* Find(ino_t node);
 	// node monitor handling
 	void EntryCreated(BMessage* msg);
 	void EntryRemoved(BMessage* msg);
 	void AttributeChanged(BMessage* msg);
 	void HandleNodeMonitorMessage(BMessage* msg);
 	void NotifyPrintServer();
 	void SetupJobList();
 public:
 	Folder(const BDirectory& spoolDir);
 	~Folder();
 	void MessageReceived(BMessage* msg);
 	BDirectory* GetSpoolDir() { return &fSpoolDir; }
 		// Caller is responsible to set the status of the job appropriately
 		// and to release the object when done
 	Job* GetNextJob();
 };
 #endif