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
3 // found in the LICENSE file.
4
5 #include "webkit/common/blob/blob_data.h"
6
7 #include "base/logging.h"
8 #include "base/strings/sys_string_conversions.h"
9 #include "base/strings/utf_string_conversions.h"
10 #include "base/time/time.h"
11
12 namespace webkit_blob {
13
BlobData()14 BlobData::BlobData() {}
BlobData(const std::string & uuid)15 BlobData::BlobData(const std::string& uuid)
16 : uuid_(uuid) {
17 }
18
~BlobData()19 BlobData::~BlobData() {}
20
AppendData(const char * data,size_t length)21 void BlobData::AppendData(const char* data, size_t length) {
22 DCHECK(length > 0);
23 items_.push_back(Item());
24 items_.back().SetToBytes(data, length);
25 }
26
AppendFile(const base::FilePath & file_path,uint64 offset,uint64 length,const base::Time & expected_modification_time)27 void BlobData::AppendFile(const base::FilePath& file_path,
28 uint64 offset, uint64 length,
29 const base::Time& expected_modification_time) {
30 DCHECK(length > 0);
31 items_.push_back(Item());
32 items_.back().SetToFilePathRange(file_path, offset, length,
33 expected_modification_time);
34 }
35
AppendBlob(const std::string & uuid,uint64 offset,uint64 length)36 void BlobData::AppendBlob(const std::string& uuid,
37 uint64 offset, uint64 length) {
38 DCHECK_GT(length, 0ul);
39 items_.push_back(Item());
40 items_.back().SetToBlobRange(uuid, offset, length);
41 }
42
AppendFileSystemFile(const GURL & url,uint64 offset,uint64 length,const base::Time & expected_modification_time)43 void BlobData::AppendFileSystemFile(
44 const GURL& url, uint64 offset,
45 uint64 length,
46 const base::Time& expected_modification_time) {
47 DCHECK(length > 0);
48 items_.push_back(Item());
49 items_.back().SetToFileSystemUrlRange(url, offset, length,
50 expected_modification_time);
51 }
52
GetMemoryUsage() const53 int64 BlobData::GetMemoryUsage() const {
54 int64 memory = 0;
55 for (std::vector<Item>::const_iterator iter = items_.begin();
56 iter != items_.end(); ++iter) {
57 if (iter->type() == Item::TYPE_BYTES)
58 memory += iter->length();
59 }
60 return memory;
61 }
62
63 } // namespace webkit_blob
64