1 files changed, 113 insertions, 0 deletions
diff --git a/device/usb/mojo/device_impl.h b/device/usb/mojo/device_impl.h
new file mode 100644
index 0000000..e19feef
--- /dev/null
+++ b/device/usb/mojo/device_impl.h
@@ -0,0 +1,113 @@
+// Copyright 2015 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 DEVICE_USB_MOJO_DEVICE_IMPL_H_
+#define DEVICE_USB_MOJO_DEVICE_IMPL_H_
+
+#include <stdint.h>
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "device/usb/public/interfaces/device.mojom.h"
+#include "device/usb/public/interfaces/permission_provider.mojom.h"
+#include "device/usb/usb_device_handle.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/public/cpp/bindings/callback.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+
+namespace net {
+class IOBuffer;
+}
+
+namespace device {
+namespace usb {
+
+// Implementation of the public Device interface. Instances of this class are
+// constructed by DeviceManagerImpl and are strongly bound to their MessagePipe
+// lifetime.
+class DeviceImpl : public Device {
+ public:
+  DeviceImpl(scoped_refptr<UsbDevice> device,
+             PermissionProviderPtr permission_provider,
+             mojo::InterfaceRequest<Device> request);
+  ~DeviceImpl() override;
+
+ private:
+  // Closes the device if it's open. This will always set |device_handle_| to
+  // null.
+  void CloseHandle();
+
+  // Checks interface permissions for control transfers.
+  void HasControlTransferPermission(ControlTransferRecipient recipient,
+                                    uint16_t index,
+                                    const base::Callback<void(bool)>& callback);
+
+  // Handles completion of an open request.
+  void OnOpen(const OpenCallback& callback,
+              scoped_refptr<device::UsbDeviceHandle> handle);
+
+  // Device implementation:
+  void GetDeviceInfo(const GetDeviceInfoCallback& callback) override;
+  void GetConfiguration(const GetConfigurationCallback& callback) override;
+  void Open(const OpenCallback& callback) override;
+  void Close(const CloseCallback& callback) override;
+  void SetConfiguration(uint8_t value,
+                        const SetConfigurationCallback& callback) override;
+  void ClaimInterface(uint8_t interface_number,
+                      const ClaimInterfaceCallback& callback) override;
+  void ReleaseInterface(uint8_t interface_number,
+                        const ReleaseInterfaceCallback& callback) override;
+  void SetInterfaceAlternateSetting(
+      uint8_t interface_number,
+      uint8_t alternate_setting,
+      const SetInterfaceAlternateSettingCallback& callback) override;
+  void Reset(const ResetCallback& callback) override;
+  void ClearHalt(uint8_t endpoint, const ClearHaltCallback& callback) override;
+  void ControlTransferIn(ControlTransferParamsPtr params,
+                         uint32_t length,
+                         uint32_t timeout,
+                         const ControlTransferInCallback& callback) override;
+  void ControlTransferOut(ControlTransferParamsPtr params,
+                          mojo::Array<uint8_t> data,
+                          uint32_t timeout,
+                          const ControlTransferOutCallback& callback) override;
+  void GenericTransferIn(uint8_t endpoint_number,
+                         uint32_t length,
+                         uint32_t timeout,
+                         const GenericTransferInCallback& callback) override;
+  void GenericTransferOut(uint8_t endpoint_number,
+                          mojo::Array<uint8_t> data,
+                          uint32_t timeout,
+                          const GenericTransferOutCallback& callback) override;
+  void IsochronousTransferIn(
+      uint8_t endpoint_number,
+      mojo::Array<uint32_t> packet_lengths,
+      uint32_t timeout,
+      const IsochronousTransferInCallback& callback) override;
+  void IsochronousTransferOut(
+      uint8_t endpoint_number,
+      mojo::Array<uint8_t> data,
+      mojo::Array<uint32_t> packet_lengths,
+      uint32_t timeout,
+      const IsochronousTransferOutCallback& callback) override;
+
+  mojo::Binding<Device> binding_;
+
+  scoped_refptr<UsbDevice> device_;
+  // The device handle. Will be null before the device is opened and after it
+  // has been closed.
+  scoped_refptr<UsbDeviceHandle> device_handle_;
+  PermissionProviderPtr permission_provider_;
+
+  base::WeakPtrFactory<DeviceImpl> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceImpl);
+};
+
+}  // namespace usb
+}  // namespace device
+
+#endif  // DEVICE_USB_MOJO_DEVICE_IMPL_H_