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// Copyright (c) 2012 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.
#include "chrome/browser/storage_monitor/storage_info.h"
#include "base/logging.h"
namespace chrome {
namespace {
// Prefix constants for different device id spaces.
const char kRemovableMassStorageWithDCIMPrefix[] = "dcim:";
const char kRemovableMassStorageNoDCIMPrefix[] = "nodcim:";
const char kFixedMassStoragePrefix[] = "path:";
const char kMtpPtpPrefix[] = "mtp:";
const char kMacImageCapturePrefix[] = "ic:";
const char kITunesPrefix[] = "itunes:";
} // namespace
StorageInfo::StorageInfo() : total_size_in_bytes(0) {
}
StorageInfo::StorageInfo(const std::string& device_id_in,
const string16& device_name,
const base::FilePath::StringType& device_location,
const string16& label,
const string16& vendor,
const string16& model,
uint64 size_in_bytes)
: device_id(device_id_in),
name(device_name),
location(device_location),
storage_label(label),
vendor_name(vendor),
model_name(model),
total_size_in_bytes(size_in_bytes) {
}
StorageInfo::~StorageInfo() {
}
// static
std::string StorageInfo::MakeDeviceId(Type type, const std::string& unique_id) {
DCHECK(!unique_id.empty());
switch (type) {
case REMOVABLE_MASS_STORAGE_WITH_DCIM:
return std::string(kRemovableMassStorageWithDCIMPrefix) + unique_id;
case REMOVABLE_MASS_STORAGE_NO_DCIM:
return std::string(kRemovableMassStorageNoDCIMPrefix) + unique_id;
case FIXED_MASS_STORAGE:
return std::string(kFixedMassStoragePrefix) + unique_id;
case MTP_OR_PTP:
return std::string(kMtpPtpPrefix) + unique_id;
case MAC_IMAGE_CAPTURE:
return std::string(kMacImageCapturePrefix) + unique_id;
case ITUNES:
return std::string(kITunesPrefix) + unique_id;
}
NOTREACHED();
return std::string();
}
// static
bool StorageInfo::CrackDeviceId(const std::string& device_id,
Type* type, std::string* unique_id) {
size_t prefix_length = device_id.find_first_of(':');
std::string prefix = prefix_length != std::string::npos
? device_id.substr(0, prefix_length + 1)
: std::string();
Type found_type;
if (prefix == kRemovableMassStorageWithDCIMPrefix) {
found_type = REMOVABLE_MASS_STORAGE_WITH_DCIM;
} else if (prefix == kRemovableMassStorageNoDCIMPrefix) {
found_type = REMOVABLE_MASS_STORAGE_NO_DCIM;
} else if (prefix == kFixedMassStoragePrefix) {
found_type = FIXED_MASS_STORAGE;
} else if (prefix == kMtpPtpPrefix) {
found_type = MTP_OR_PTP;
} else if (prefix == kMacImageCapturePrefix) {
found_type = MAC_IMAGE_CAPTURE;
} else if (prefix == kITunesPrefix) {
found_type = ITUNES;
} else {
NOTREACHED();
return false;
}
if (type)
*type = found_type;
if (unique_id)
*unique_id = device_id.substr(prefix_length + 1);
return true;
}
// static
bool StorageInfo::IsMediaDevice(const std::string& device_id) {
Type type;
return CrackDeviceId(device_id, &type, NULL) &&
(type == REMOVABLE_MASS_STORAGE_WITH_DCIM || type == MTP_OR_PTP ||
type == MAC_IMAGE_CAPTURE);
}
// static
bool StorageInfo::IsRemovableDevice(const std::string& device_id) {
Type type;
return CrackDeviceId(device_id, &type, NULL) && type != FIXED_MASS_STORAGE;
}
// static
bool StorageInfo::IsMassStorageDevice(const std::string& device_id) {
Type type;
return CrackDeviceId(device_id, &type, NULL) &&
(type == REMOVABLE_MASS_STORAGE_WITH_DCIM ||
type == REMOVABLE_MASS_STORAGE_NO_DCIM ||
type == FIXED_MASS_STORAGE ||
type == ITUNES);
}
} // namespace chrome
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