Print support for Windows Metro...

printing/print_destination_interface.h

+// Copyright (c) 2012 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 PRINTING_PRINT_DESTINATION_INTERFACE_H_
+#define PRINTING_PRINT_DESTINATION_INTERFACE_H_
+#pragma once
+
+#include "base/memory/ref_counted.h"
+#include "printing/printing_export.h"
+
+namespace printing {
+
+class PrintDestinationInterface
+    : public base::RefCountedThreadSafe<PrintDestinationInterface> {
+ public:
+  // Sets the number of pages to print as soon as it is known.
+  virtual void SetPageCount(int page_count) = 0;
+
+  // Sets the metafile bits for a given page as soon as it is ready.
+  virtual void SetPageContent(int page_number,
+                              void* content,
+                              size_t content_size) = 0;
+ protected:
+  friend class base::RefCountedThreadSafe<PrintDestinationInterface>;
+  virtual ~PrintDestinationInterface() {}
+};
+
+PRINTING_EXPORT PrintDestinationInterface* CreatePrintDestination();
+
+}  // namespace printing
+
+#endif  // PRINTING_PRINT_DESTINATION_INTERFACE_H_