printing/print_destination_interface.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PRINTING_PRINT_DESTINATION_INTERFACE_H_
   6 #define PRINTING_PRINT_DESTINATION_INTERFACE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "printing/printing_export.h"
  10
  11 namespace printing {
  12
  13 class PrintDestinationInterface
  14     : public base::RefCountedThreadSafe<PrintDestinationInterface> {
  15  public:
  16   // Sets the number of pages to print as soon as it is known.
  17   virtual void SetPageCount(int page_count) = 0;
  18
  19   // Sets the metafile bits for a given page as soon as it is ready.
  20   virtual void SetPageContent(int page_number,
  21                               void* content,
  22                               size_t content_size) = 0;
  23  protected:
  24   friend class base::RefCountedThreadSafe<PrintDestinationInterface>;
  25   virtual ~PrintDestinationInterface() {}
  26 };
  27
  28 PRINTING_EXPORT PrintDestinationInterface* CreatePrintDestination();
  29
  30 }  // namespace printing
  31
  32 #endif  // PRINTING_PRINT_DESTINATION_INTERFACE_H_