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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
#define CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
#include <string>
#include <vector>
#include "base/lock.h"
#include "base/ref_counted.h"
#include "chrome/common/notification_registrar.h"
namespace printing {
class JobEventDetails;
class PrintedDocument;
class PrintJob;
class PrintedPage;
class PrinterQuery;
class PrintJobManager : public NotificationObserver {
public:
PrintJobManager();
~PrintJobManager();
// On browser quit, we should wait to have the print job finished.
void OnQuit();
// Queues a semi-initialized worker thread. Can be called from any thread.
// Current use case is queuing from the I/O thread.
// TODO(maruel): Have them vanish after a timeout (~5 minutes?)
void QueuePrinterQuery(PrinterQuery* job);
// Pops a queued PrintJobWorkerOwner object that was previously queued. Can be
// called from any thread. Current use case is poping from the browser thread.
void PopPrinterQuery(int document_cookie, scoped_refptr<PrinterQuery>* job);
// NotificationObserver
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Sets a path where to dump EMF data files. This enables debug behavior where
// every rendered pages are dumped as-is. By default the path is empty, which
// disables the dumping.
// TODO(maruel): Remove me once printing is awesome.
void set_debug_dump_path(const std::wstring& debug_dump_path) {
debug_dump_path_ = debug_dump_path;
}
const std::wstring& debug_dump_path() const {
return debug_dump_path_;
}
private:
typedef std::vector<scoped_refptr<PrintJob> > PrintJobs;
typedef std::vector<scoped_refptr<PrinterQuery> > PrinterQueries;
// Processes a NOTIFY_PRINT_JOB_EVENT notification.
void OnPrintJobEvent(PrintJob* print_job,
const JobEventDetails& event_details);
// Processes a NOTIFY_PRINTED_DOCUMENT_UPDATED notification. When
// debug_dump_path_ is not empty, it is processed to detect newly rendered
// pages and to dump their EMF buffer.
void OnPrintedDocumentUpdated(const PrintedDocument& document,
const PrintedPage& page);
NotificationRegistrar registrar_;
// Used to serialize access to queued_workers_.
Lock lock_;
PrinterQueries queued_queries_;
// Current print jobs that are active.
PrintJobs current_jobs_;
// Path where debug dump of EMF buffer are saved. Empty by default. When
// empty, EMF dumping is disabled.
// TODO(maruel): Remove me once printing is awesome.
std::wstring debug_dump_path_;
DISALLOW_EVIL_CONSTRUCTORS(PrintJobManager);
};
} // namespace printing
#endif // CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
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