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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_BLOB_BLOB_DATA_H_
#define WEBKIT_BLOB_BLOB_DATA_H_
#include <vector>
#include "base/basictypes.h"
#include "base/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/time.h"
#include "googleurl/src/gurl.h"
#include "webkit/blob/deletable_file_reference.h"
namespace WebKit {
class WebBlobData;
}
namespace webkit_blob {
class BlobData : public base::RefCounted<BlobData> {
public:
enum Type {
TYPE_DATA,
TYPE_FILE,
TYPE_BLOB
};
class Item {
public:
Item();
~Item();
Type type() const { return type_; }
const std::string& data() const { return data_; }
const FilePath& file_path() const { return file_path_; }
const GURL& blob_url() const { return blob_url_; }
uint64 offset() const { return offset_; }
uint64 length() const { return length_; }
const base::Time& expected_modification_time() const {
return expected_modification_time_;
}
void SetToData(const std::string& data) {
SetToData(data, 0, static_cast<uint32>(data.size()));
}
void SetToData(const std::string& data, uint32 offset, uint32 length) {
// TODO(jianli): Need to implement ref-counting vector storage.
type_ = TYPE_DATA;
data_ = data;
offset_ = offset;
length_ = length;
}
void SetToFile(const FilePath& file_path, uint64 offset, uint64 length,
const base::Time& expected_modification_time) {
type_ = TYPE_FILE;
file_path_ = file_path;
offset_ = offset;
length_ = length;
expected_modification_time_ = expected_modification_time;
}
void SetToBlob(const GURL& blob_url, uint64 offset, uint64 length) {
type_ = TYPE_BLOB;
blob_url_ = blob_url;
offset_ = offset;
length_ = length;
}
private:
Type type_;
// For Data type.
std::string data_;
// For File type.
FilePath file_path_;
// For Blob typ.
GURL blob_url_;
uint64 offset_;
uint64 length_;
base::Time expected_modification_time_;
};
BlobData();
explicit BlobData(const WebKit::WebBlobData& data);
void AppendData(const std::string& data) {
// TODO(jianli): Consider writing the big data to the disk.
AppendData(data, 0, static_cast<uint32>(data.size()));
}
void AppendData(const std::string& data, uint32 offset, uint32 length) {
if (length > 0) {
items_.push_back(Item());
items_.back().SetToData(data, offset, length);
}
}
void AppendFile(const FilePath& file_path, uint64 offset, uint64 length,
const base::Time& expected_modification_time) {
items_.push_back(Item());
items_.back().SetToFile(file_path, offset, length,
expected_modification_time);
}
void AppendBlob(const GURL& blob_url, uint64 offset, uint64 length) {
items_.push_back(Item());
items_.back().SetToBlob(blob_url, offset, length);
}
void AttachDeletableFileReference(DeletableFileReference* reference) {
deletable_files_.push_back(reference);
}
const std::vector<Item>& items() const { return items_; }
const std::string& content_type() const { return content_type_; }
void set_content_type(const std::string& content_type) {
content_type_ = content_type;
}
const std::string& content_disposition() const {
return content_disposition_;
}
void set_content_disposition(const std::string& content_disposition) {
content_disposition_ = content_disposition;
}
// Should only be called by the IPC ParamTraits for this class.
void swap_items(std::vector<Item>* items) {
items_.swap(*items);
}
private:
friend class base::RefCounted<BlobData>;
virtual ~BlobData();
std::string content_type_;
std::string content_disposition_;
std::vector<Item> items_;
std::vector<scoped_refptr<DeletableFileReference> > deletable_files_;
DISALLOW_COPY_AND_ASSIGN(BlobData);
};
#if defined(UNIT_TEST)
inline bool operator==(const BlobData::Item& a, const BlobData::Item& b) {
if (a.type() != b.type())
return false;
if (a.type() == BlobData::TYPE_DATA) {
return a.data() == b.data() &&
a.offset() == b.offset() &&
a.length() == b.length();
}
if (a.type() == BlobData::TYPE_FILE) {
return a.file_path() == b.file_path() &&
a.offset() == b.offset() &&
a.length() == b.length() &&
a.expected_modification_time() == b.expected_modification_time();
}
if (a.type() == BlobData::TYPE_BLOB) {
return a.blob_url() == b.blob_url() &&
a.offset() == b.offset() &&
a.length() == b.length();
}
return false;
}
inline bool operator!=(const BlobData::Item& a, const BlobData::Item& b) {
return !(a == b);
}
inline bool operator==(const BlobData& a, const BlobData& b) {
if (a.content_type() != b.content_type())
return false;
if (a.content_disposition() != b.content_disposition())
return false;
if (a.items().size() != b.items().size())
return false;
for (size_t i = 0; i < a.items().size(); ++i) {
if (a.items()[i] != b.items()[i])
return false;
}
return true;
}
inline bool operator!=(const BlobData& a, const BlobData& b) {
return !(a == b);
}
#endif // defined(UNIT_TEST)
} // namespace webkit_blob
#endif // WEBKIT_BLOB_BLOB_DATA_H_
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