chromium/printing/printed_document.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef PRINTING_PRINTED_DOCUMENT_H_
#define PRINTING_PRINTED_DOCUMENT_H_

#include <map>
#include <memory>
#include <string>

#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/synchronization/lock.h"
#include "build/build_config.h"
#include "printing/mojom/print.mojom.h"
#include "printing/print_settings.h"

namespace base {
class RefCountedMemory;
}

namespace printing {

class MetafilePlayer;
class PrintedPage;
class PrintingContext;

// A collection of rendered pages. The settings are immutable. If the print
// settings are changed, a new PrintedDocument must be created.
// Warning: May be accessed from many threads at the same time. Only one thread
// will have write access. Sensible functions are protected by a lock.
// Warning: Once a page is loaded, it cannot be replaced. Pages may be discarded
// under low memory conditions.
class COMPONENT_EXPORT(PRINTING) PrintedDocument
    : public base::RefCountedThreadSafe<PrintedDocument> { … };

}  // namespace printing

#endif  // PRINTING_PRINTED_DOCUMENT_H_