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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/extensions/api/usb/usb_api.h" | 5 #include "chrome/browser/extensions/api/usb/usb_api.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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61 static const char* kErrorMalformedParameters = "Error parsing parameters."; | 61 static const char* kErrorMalformedParameters = "Error parsing parameters."; |
62 static const char* kErrorNoDevice = "No such device."; | 62 static const char* kErrorNoDevice = "No such device."; |
63 static const char* kErrorPermissionDenied = | 63 static const char* kErrorPermissionDenied = |
64 "Permission to access device was denied"; | 64 "Permission to access device was denied"; |
65 | 65 |
66 static UsbDevice* device_for_test_ = NULL; | 66 static UsbDevice* device_for_test_ = NULL; |
67 | 67 |
68 static bool ConvertDirection(const Direction& input, | 68 static bool ConvertDirection(const Direction& input, |
69 UsbDevice::TransferDirection* output) { | 69 UsbDevice::TransferDirection* output) { |
70 switch (input) { | 70 switch (input) { |
71 case usb::USB_DIRECTION_IN: | 71 case usb::DIRECTION_IN: |
72 *output = UsbDevice::INBOUND; | 72 *output = UsbDevice::INBOUND; |
73 return true; | 73 return true; |
74 case usb::USB_DIRECTION_OUT: | 74 case usb::DIRECTION_OUT: |
75 *output = UsbDevice::OUTBOUND; | 75 *output = UsbDevice::OUTBOUND; |
76 return true; | 76 return true; |
77 default: | 77 default: |
78 return false; | 78 return false; |
79 } | 79 } |
80 NOTREACHED(); | 80 NOTREACHED(); |
81 return false; | 81 return false; |
82 } | 82 } |
83 | 83 |
84 static bool ConvertRequestType(const RequestType& input, | 84 static bool ConvertRequestType(const RequestType& input, |
85 UsbDevice::TransferRequestType* output) { | 85 UsbDevice::TransferRequestType* output) { |
86 switch (input) { | 86 switch (input) { |
87 case usb::USB_REQUEST_TYPE_STANDARD: | 87 case usb::REQUEST_TYPE_STANDARD: |
88 *output = UsbDevice::STANDARD; | 88 *output = UsbDevice::STANDARD; |
89 return true; | 89 return true; |
90 case usb::USB_REQUEST_TYPE_CLASS: | 90 case usb::REQUEST_TYPE_CLASS: |
91 *output = UsbDevice::CLASS; | 91 *output = UsbDevice::CLASS; |
92 return true; | 92 return true; |
93 case usb::USB_REQUEST_TYPE_VENDOR: | 93 case usb::REQUEST_TYPE_VENDOR: |
94 *output = UsbDevice::VENDOR; | 94 *output = UsbDevice::VENDOR; |
95 return true; | 95 return true; |
96 case usb::USB_REQUEST_TYPE_RESERVED: | 96 case usb::REQUEST_TYPE_RESERVED: |
97 *output = UsbDevice::RESERVED; | 97 *output = UsbDevice::RESERVED; |
98 return true; | 98 return true; |
99 default: | 99 default: |
100 return false; | 100 return false; |
101 } | 101 } |
102 NOTREACHED(); | 102 NOTREACHED(); |
103 return false; | 103 return false; |
104 } | 104 } |
105 | 105 |
106 static bool ConvertRecipient(const Recipient& input, | 106 static bool ConvertRecipient(const Recipient& input, |
107 UsbDevice::TransferRecipient* output) { | 107 UsbDevice::TransferRecipient* output) { |
108 switch (input) { | 108 switch (input) { |
109 case usb::USB_RECIPIENT_DEVICE: | 109 case usb::RECIPIENT_DEVICE: |
110 *output = UsbDevice::DEVICE; | 110 *output = UsbDevice::DEVICE; |
111 return true; | 111 return true; |
112 case usb::USB_RECIPIENT_INTERFACE: | 112 case usb::RECIPIENT_INTERFACE: |
113 *output = UsbDevice::INTERFACE; | 113 *output = UsbDevice::INTERFACE; |
114 return true; | 114 return true; |
115 case usb::USB_RECIPIENT_ENDPOINT: | 115 case usb::RECIPIENT_ENDPOINT: |
116 *output = UsbDevice::ENDPOINT; | 116 *output = UsbDevice::ENDPOINT; |
117 return true; | 117 return true; |
118 case usb::USB_RECIPIENT_OTHER: | 118 case usb::RECIPIENT_OTHER: |
119 *output = UsbDevice::OTHER; | 119 *output = UsbDevice::OTHER; |
120 return true; | 120 return true; |
121 default: | 121 default: |
122 return false; | 122 return false; |
123 } | 123 } |
124 NOTREACHED(); | 124 NOTREACHED(); |
125 return false; | 125 return false; |
126 } | 126 } |
127 | 127 |
128 template<class T> | 128 template<class T> |
129 static bool GetTransferSize(const T& input, size_t* output) { | 129 static bool GetTransferSize(const T& input, size_t* output) { |
130 if (input.direction == usb::USB_DIRECTION_IN) { | 130 if (input.direction == usb::DIRECTION_IN) { |
131 const int* length = input.length.get(); | 131 const int* length = input.length.get(); |
132 if (length) { | 132 if (length) { |
133 *output = *length; | 133 *output = *length; |
134 return true; | 134 return true; |
135 } | 135 } |
136 } else if (input.direction == usb::USB_DIRECTION_OUT) { | 136 } else if (input.direction == usb::DIRECTION_OUT) { |
137 if (input.data.get()) { | 137 if (input.data.get()) { |
138 *output = input.data->size(); | 138 *output = input.data->size(); |
139 return true; | 139 return true; |
140 } | 140 } |
141 } | 141 } |
142 return false; | 142 return false; |
143 } | 143 } |
144 | 144 |
145 template<class T> | 145 template<class T> |
146 static scoped_refptr<net::IOBuffer> CreateBufferForTransfer(const T& input) { | 146 static scoped_refptr<net::IOBuffer> CreateBufferForTransfer(const T& input) { |
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606 CompleteWithError(kErrorNoDevice); | 606 CompleteWithError(kErrorNoDevice); |
607 return; | 607 return; |
608 } | 608 } |
609 | 609 |
610 device->device()->IsochronousTransfer(direction, generic_transfer.endpoint, | 610 device->device()->IsochronousTransfer(direction, generic_transfer.endpoint, |
611 buffer, size, transfer.packets, transfer.packet_length, 0, base::Bind( | 611 buffer, size, transfer.packets, transfer.packet_length, 0, base::Bind( |
612 &UsbIsochronousTransferFunction::OnCompleted, this)); | 612 &UsbIsochronousTransferFunction::OnCompleted, this)); |
613 } | 613 } |
614 | 614 |
615 } // namespace extensions | 615 } // namespace extensions |
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