Experimental USB API implementation.

chrome/browser/extensions/api/usb/usb_api.h

Index: chrome/browser/extensions/api/usb/usb_api.h
diff --git a/chrome/browser/extensions/api/usb/usb_api.h b/chrome/browser/extensions/api/usb/usb_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..02567a9df5ee33297891a9b8cc17e3b634cce928
--- /dev/null
+++ b/chrome/browser/extensions/api/usb/usb_api.h
@@ -0,0 +1,100 @@
+// 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 CHROME_BROWSER_EXTENSIONS_API_USB_USB_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_USB_USB_API_H_
+#pragma once
+
+#include <string>
+
+#include "chrome/browser/extensions/api/api_function.h"
+#include "chrome/common/extensions/api/experimental.usb.h"
+
+namespace extensions {
+
+class APIResourceEventNotifier;
+
+class UsbFindDeviceFunction : public AsyncIOAPIFunction {
+ public:
+  UsbFindDeviceFunction() {}
+
+ protected:
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+  virtual bool Respond() OVERRIDE;
+
+ private:
+  scoped_ptr<extensions::api::experimental_usb::FindDevice::Params> parameters_;
+  APIResourceEventNotifier *event_notifier_;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.usb.findDevice");
+};
+
+class UsbCloseDeviceFunction : public AsyncIOAPIFunction {
+ public:
+  UsbCloseDeviceFunction() {}
+
+ protected:
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+  virtual bool Respond() OVERRIDE;
+
+ private:
+  scoped_ptr<extensions::api::experimental_usb::CloseDevice::Params>
+      parameters_;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.usb.closeDevice");
+};
+
+class UsbControlTransferFunction : public AsyncIOAPIFunction {
+ public:
+  UsbControlTransferFunction() {}
+
+ protected:
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+  virtual bool Respond() OVERRIDE;
+
+ private:
+  scoped_ptr<extensions::api::experimental_usb::ControlTransfer::Params>
+      parameters_;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.usb.controlTransfer");
+};
+
+class UsbBulkTransferFunction : public AsyncIOAPIFunction {
+ public:
+  UsbBulkTransferFunction() {}
+
+ protected:
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+  virtual bool Respond() OVERRIDE;
+
+ private:
+  scoped_ptr<extensions::api::experimental_usb::BulkTransfer::Params>
+      parameters_;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.usb.bulkTransfer");
+};
+
+class UsbInterruptTransferFunction : public AsyncIOAPIFunction {
+ public:
+  UsbInterruptTransferFunction() {}
+
+ protected:
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+  virtual bool Respond() OVERRIDE;
+
+ private:
+  scoped_ptr<extensions::api::experimental_usb::InterruptTransfer::Params>
+      parameters_;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.usb.interruptTransfer");
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_USB_USB_API_H_