Index: chrome/browser/chromeos/printing/usb_printer_util.h |
diff --git a/chrome/browser/chromeos/printing/usb_printer_util.h b/chrome/browser/chromeos/printing/usb_printer_util.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5ce404eb5bd117d4c5baeeaa00d0baeb0d302919 |
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+++ b/chrome/browser/chromeos/printing/usb_printer_util.h |
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+// Copyright 2017 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. |
+ |
+// Utility routines for working with UsbDevices that are printers. |
+ |
+#ifndef CHROME_BROWSER_CHROMEOS_PRINTING_USB_PRINTER_UTIL_H__ |
+#define CHROME_BROWSER_CHROMEOS_PRINTING_USB_PRINTER_UTIL_H__ |
+ |
+#include <memory> |
+#include <string> |
+ |
+#include "base/memory/ref_counted.h" |
+ |
+namespace device { |
+class UsbDevice; |
+} |
+ |
+namespace chromeos { |
+ |
+class Printer; |
+ |
+bool UsbDeviceIsPrinter(scoped_refptr<device::UsbDevice> usb_device); |
+ |
+// Convert the interesting details of a device to a string, for |
+// logging/debugging. |
+std::string UsbPrinterDeviceDetailsAsString(const device::UsbDevice& device); |
+ |
+// Attempt to gather all the information we need to work with this printer by |
+// querying the USB device. This should only be called using devices we believe |
+// are printers, not arbitrary USB devices, as we may get weird partial results |
+// from arbitrary devices. |
+// |
+// Returns nullptr and logs an error on failure. |
+std::unique_ptr<Printer> UsbDeviceToPrinter(const device::UsbDevice& device); |
+ |
+// Gets the URI CUPS would use to refer to this USB device. Assumes device |
+// is a printer. |
+std::string UsbPrinterUri(const device::UsbDevice& device); |
+ |
+} // namespace chromeos |
+#endif // CHROME_BROWSER_CHROMEOS_PRINTING_USB_PRINTER_UTIL_H__ |