Home | History | Annotate | Download | only in blob
      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