sync/api/attachments/attachment.cc

   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 #include "sync/api/attachments/attachment.h"
   6
   7 #include "base/logging.h"
   8 #include "sync/internal_api/public/attachments/attachment_util.h"
   9
  10 namespace syncer {
  11
  12 Attachment::~Attachment() {}
  13
  14 // Static.
  15 Attachment Attachment::Create(
  16     const scoped_refptr<base::RefCountedMemory>& data) {
  17   uint32_t crc32c = ComputeCrc32c(data);
  18   return CreateFromParts(AttachmentId::Create(data->size(), crc32c), data);
  19 }
  20
  21 // Static.
  22 Attachment Attachment::CreateFromParts(
  23     const AttachmentId& id,
  24     const scoped_refptr<base::RefCountedMemory>& data) {
  25   return Attachment(id, data);
  26 }
  27
  28 const AttachmentId& Attachment::GetId() const { return id_; }
  29
  30 const scoped_refptr<base::RefCountedMemory>& Attachment::GetData() const {
  31   return data_;
  32 }
  33
  34 uint32_t Attachment::GetCrc32c() const {
  35   return id_.GetCrc32c();
  36 }
  37
  38 Attachment::Attachment(const AttachmentId& id,
  39                        const scoped_refptr<base::RefCountedMemory>& data)
  40     : id_(id), data_(data) {
  41   DCHECK_EQ(id.GetSize(), data->size());
  42   DCHECK(data.get());
  43 }
  44
  45 }  // namespace syncer