blob: 25b4db1fa8a3122ea9aa1c34b3700366ca1fb0a3 [file] [log] [blame]
// Copyright (c) 2011 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.
#include <memory>
#include "base/memory/ref_counted.h"
#include "printing/printing_context.h"
namespace base {
class Location;
class SequencedTaskRunner;
namespace printing {
class PrintJobWorker;
class PrintSettings;
class PrintJobWorkerOwner
: public base::RefCountedThreadSafe<PrintJobWorkerOwner> {
// Finishes the initialization began by PrintJobWorker::GetSettings().
// Creates a new PrintedDocument if necessary. Solely meant to be called by
// PrintJobWorker.
virtual void GetSettingsDone(const PrintSettings& new_settings,
PrintingContext::Result result) = 0;
// Detach the PrintJobWorker associated to this object.
virtual std::unique_ptr<PrintJobWorker> DetachWorker(
PrintJobWorkerOwner* new_owner) = 0;
// Access the current settings.
virtual const PrintSettings& settings() const = 0;
// Cookie uniquely identifying the PrintedDocument and/or loaded settings.
virtual int cookie() const = 0;
// Returns true if tasks posted to this TaskRunner are sequenced
// with this call.
bool RunsTasksInCurrentSequence() const;
// Posts the given task to be run.
bool PostTask(const base::Location& from_here, const base::Closure& task);
friend class base::RefCountedThreadSafe<PrintJobWorkerOwner>;
virtual ~PrintJobWorkerOwner();
// Task runner reference. Used to send notifications in the right
// thread.
scoped_refptr<base::SequencedTaskRunner> task_runner_;
} // namespace printing