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// 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_BACKEND_PRINTING_INFO_WIN_H_
#define PRINTING_BACKEND_PRINTING_INFO_WIN_H_
#include <objidl.h>
#include <stdint.h>
#include <winspool.h>
#include "base/component_export.h"
#include "base/containers/heap_array.h"
namespace printing {
namespace internal {
COMPONENT_EXPORT(PRINT_BACKEND)
base::HeapArray<uint8_t> GetDriverInfo(HANDLE printer, int level);
COMPONENT_EXPORT(PRINT_BACKEND)
base::HeapArray<uint8_t> GetPrinterInfo(HANDLE printer, int level);
// This class is designed to work with PRINTER_INFO_X structures
// and calls GetPrinter internally with correctly allocated buffer.
template <typename PrinterInfoType, int level>
class PrinterInfo {
public:
bool Init(HANDLE printer) {
buffer_ = GetPrinterInfo(printer, level);
return !buffer_.empty();
}
const PrinterInfoType* get() const {
return reinterpret_cast<const PrinterInfoType*>(buffer_.data());
}
private:
base::HeapArray<uint8_t> buffer_;
};
// This class is designed to work with DRIVER_INFO_X structures
// and calls GetDriverInfo internally with correctly allocated buffer.
template <typename DriverInfoType, int level>
class DriverInfo {
public:
bool Init(HANDLE printer) {
buffer_ = GetDriverInfo(printer, level);
return !buffer_.empty();
}
const DriverInfoType* get() const {
return reinterpret_cast<const DriverInfoType*>(buffer_.data());
}
private:
base::HeapArray<uint8_t> buffer_;
};
} // namespace internal
using PrinterInfo1 = internal::PrinterInfo<PRINTER_INFO_1, 1>;
using PrinterInfo2 = internal::PrinterInfo<PRINTER_INFO_2, 2>;
using PrinterInfo5 = internal::PrinterInfo<PRINTER_INFO_5, 5>;
using DriverInfo6 = internal::DriverInfo<DRIVER_INFO_6, 6>;
} // namespace printing
#endif // PRINTING_BACKEND_PRINTING_INFO_WIN_H_
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