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 14 BlobData::BlobData() {} 15 BlobData::BlobData(const std::string& uuid) 16 : uuid_(uuid) { 17 } 18 19 BlobData::~BlobData() {} 20 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 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 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 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 53 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