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// 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_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "chrome/browser/extensions/api/api_function.h"
#include "chrome/browser/extensions/api/api_resource_manager.h"
#include "chrome/browser/usb/usb_device_handle.h"
#include "chrome/common/extensions/api/usb.h"
#include "net/base/io_buffer.h"
class UsbDeviceHandle;
namespace extensions {
class UsbDeviceResource;
class UsbAsyncApiFunction : public AsyncApiFunction {
public:
UsbAsyncApiFunction();
protected:
virtual ~UsbAsyncApiFunction();
virtual bool PrePrepare() OVERRIDE;
virtual bool Respond() OVERRIDE;
UsbDeviceResource* GetUsbDeviceResource(int api_resource_id);
void RemoveUsbDeviceResource(int api_resource_id);
void CompleteWithError(const std::string& error);
ApiResourceManager<UsbDeviceResource>* manager_;
};
class UsbAsyncApiTransferFunction : public UsbAsyncApiFunction {
protected:
UsbAsyncApiTransferFunction();
virtual ~UsbAsyncApiTransferFunction();
bool ConvertDirectionSafely(const extensions::api::usb::Direction& input,
UsbEndpointDirection* output);
bool ConvertRequestTypeSafely(const extensions::api::usb::RequestType& input,
UsbDeviceHandle::TransferRequestType* output);
bool ConvertRecipientSafely(const extensions::api::usb::Recipient& input,
UsbDeviceHandle::TransferRecipient* output);
void OnCompleted(UsbTransferStatus status,
scoped_refptr<net::IOBuffer> data,
size_t length);
};
class UsbFindDevicesFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.findDevices", USB_FINDDEVICES)
UsbFindDevicesFunction();
static void SetDeviceForTest(UsbDeviceHandle* device);
protected:
virtual ~UsbFindDevicesFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
void OnCompleted();
scoped_ptr<base::ListValue> result_;
std::vector<scoped_refptr<UsbDeviceHandle> > devices_;
scoped_ptr<extensions::api::usb::FindDevices::Params> parameters_;
};
class UsbListInterfacesFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.listInterfaces", USB_LISTINTERFACES)
UsbListInterfacesFunction();
protected:
virtual ~UsbListInterfacesFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
void OnCompleted(bool success);
bool ConvertDirectionSafely(const UsbEndpointDirection& input,
extensions::api::usb::Direction* output);
bool ConvertSynchronizationTypeSafely(
const UsbSynchronizationType& input,
extensions::api::usb::SynchronizationType* output);
bool ConvertTransferTypeSafely(const UsbTransferType& input,
extensions::api::usb::TransferType* output);
bool ConvertUsageTypeSafely(const UsbUsageType& input,
extensions::api::usb::UsageType* output);
scoped_ptr<base::ListValue> result_;
scoped_refptr<UsbConfigDescriptor> config_;
scoped_ptr<extensions::api::usb::ListInterfaces::Params> parameters_;
};
class UsbCloseDeviceFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.closeDevice", USB_CLOSEDEVICE)
UsbCloseDeviceFunction();
protected:
virtual ~UsbCloseDeviceFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
void OnCompleted();
private:
scoped_ptr<extensions::api::usb::CloseDevice::Params> parameters_;
};
class UsbClaimInterfaceFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.claimInterface", USB_CLAIMINTERFACE)
UsbClaimInterfaceFunction();
protected:
virtual ~UsbClaimInterfaceFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
void OnCompleted(bool success);
scoped_ptr<extensions::api::usb::ClaimInterface::Params> parameters_;
};
class UsbReleaseInterfaceFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.releaseInterface", USB_RELEASEINTERFACE)
UsbReleaseInterfaceFunction();
protected:
virtual ~UsbReleaseInterfaceFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
void OnCompleted(bool success);
scoped_ptr<extensions::api::usb::ReleaseInterface::Params> parameters_;
};
class UsbSetInterfaceAlternateSettingFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.setInterfaceAlternateSetting",
USB_SETINTERFACEALTERNATESETTING)
UsbSetInterfaceAlternateSettingFunction();
private:
virtual ~UsbSetInterfaceAlternateSettingFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
void OnCompleted(bool success);
scoped_ptr<extensions::api::usb::SetInterfaceAlternateSetting::Params>
parameters_;
};
class UsbControlTransferFunction : public UsbAsyncApiTransferFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.controlTransfer", USB_CONTROLTRANSFER)
UsbControlTransferFunction();
protected:
virtual ~UsbControlTransferFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
scoped_ptr<extensions::api::usb::ControlTransfer::Params> parameters_;
};
class UsbBulkTransferFunction : public UsbAsyncApiTransferFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.bulkTransfer", USB_BULKTRANSFER)
UsbBulkTransferFunction();
protected:
virtual ~UsbBulkTransferFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
scoped_ptr<extensions::api::usb::BulkTransfer::Params>
parameters_;
};
class UsbInterruptTransferFunction : public UsbAsyncApiTransferFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.interruptTransfer", USB_INTERRUPTTRANSFER)
UsbInterruptTransferFunction();
protected:
virtual ~UsbInterruptTransferFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
scoped_ptr<extensions::api::usb::InterruptTransfer::Params> parameters_;
};
class UsbIsochronousTransferFunction : public UsbAsyncApiTransferFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.isochronousTransfer", USB_ISOCHRONOUSTRANSFER)
UsbIsochronousTransferFunction();
protected:
virtual ~UsbIsochronousTransferFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
scoped_ptr<extensions::api::usb::IsochronousTransfer::Params> parameters_;
};
class UsbResetDeviceFunction : public UsbAsyncApiFunction {
public:
DECLARE_EXTENSION_FUNCTION("usb.resetDevice", USB_RESETDEVICE)
UsbResetDeviceFunction();
protected:
virtual ~UsbResetDeviceFunction();
virtual bool Prepare() OVERRIDE;
virtual void AsyncWorkStart() OVERRIDE;
private:
// FILE thread.
void OnStartResest(UsbDeviceResource* resource);
void OnCompletedFileThread(bool success);
// IO thread.
void OnCompleted(bool success);
void OnError();
scoped_ptr<extensions::api::usb::ResetDevice::Params> parameters_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_USB_USB_API_H_
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