Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / device / hid / hid_report_descriptor.h
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef DEVICE_HID_HID_REPORT_DESCRIPTOR_H_
6 #define DEVICE_HID_HID_REPORT_DESCRIPTOR_H_
7
8 #include <vector>
9
10 #include "base/memory/linked_ptr.h"
11 #include "device/hid/hid_collection_info.h"
12 #include "device/hid/hid_report_descriptor_item.h"
13
14 namespace device {
15
16 // HID report descriptor.
17 // See section 6.2.2 of HID specifications (v1.11).
18 class HidReportDescriptor {
19
20  public:
21   HidReportDescriptor(const uint8_t* bytes, size_t size);
22   ~HidReportDescriptor();
23
24   const std::vector<linked_ptr<HidReportDescriptorItem> >& items() const {
25     return items_;
26   }
27
28   // Returns top-level collections present in the descriptor,
29   // together with max report sizes
30   void GetDetails(std::vector<HidCollectionInfo>* top_level_collections,
31                   bool* has_report_id,
32                   size_t* max_input_report_size,
33                   size_t* max_output_report_size,
34                   size_t* max_feature_report_size);
35
36  private:
37   std::vector<linked_ptr<HidReportDescriptorItem> > items_;
38 };
39
40 }  // namespace device
41
42 #endif  // DEVICE_HID_HID_REPORT_DESCRIPTOR_H_