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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/storage_monitor/storage_info.h"
#include <stddef.h>
#include "base/check_op.h"
#include "base/notreached.h"
#include "base/strings/utf_string_conversions.h"
#include "components/storage_monitor/media_storage_util.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/text/bytes_formatting.h"
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:";
std::u16string GetDisplayNameForDevice(uint64_t storage_size_in_bytes,
const std::u16string& name) {
DCHECK(!name.empty());
return (storage_size_in_bytes == 0)
? name
: ui::FormatBytes(storage_size_in_bytes) + u" " + name;
}
std::u16string GetFullProductName(const std::u16string& vendor_name,
const std::u16string& model_name) {
if (vendor_name.empty() && model_name.empty())
return std::u16string();
std::u16string product_name;
if (vendor_name.empty())
product_name = model_name;
else if (model_name.empty())
product_name = vendor_name;
else if (!vendor_name.empty() && !model_name.empty())
product_name = vendor_name + u", " + model_name;
return product_name;
}
} // namespace
namespace storage_monitor {
StorageInfo::StorageInfo() : total_size_in_bytes_(0) {
}
StorageInfo::StorageInfo(const StorageInfo& other) = default;
StorageInfo::StorageInfo(const std::string& device_id_in,
const base::FilePath::StringType& device_location,
const std::u16string& label,
const std::u16string& vendor,
const std::u16string& model,
uint64_t size_in_bytes)
: device_id_(device_id_in),
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;
}
NOTREACHED();
}
// 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 {
// Users may have legacy device IDs in their profiles, like iPhoto, iTunes,
// or Picasa. Just reject them as invalid devices here.
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, nullptr) &&
(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, nullptr) &&
(type == REMOVABLE_MASS_STORAGE_WITH_DCIM ||
type == REMOVABLE_MASS_STORAGE_NO_DCIM || type == MTP_OR_PTP ||
type == MAC_IMAGE_CAPTURE);
}
// static
bool StorageInfo::IsMassStorageDevice(const std::string& device_id) {
Type type;
return CrackDeviceId(device_id, &type, nullptr) &&
(type == REMOVABLE_MASS_STORAGE_WITH_DCIM ||
type == REMOVABLE_MASS_STORAGE_NO_DCIM || type == FIXED_MASS_STORAGE);
}
// static
bool StorageInfo::IsMTPDevice(const std::string& device_id) {
Type type;
return CrackDeviceId(device_id, &type, nullptr) && type == MTP_OR_PTP;
}
std::u16string StorageInfo::GetDisplayName(bool with_size) const {
return GetDisplayNameWithOverride(std::u16string(), with_size);
}
std::u16string StorageInfo::GetDisplayNameWithOverride(
const std::u16string& override_display_name,
bool with_size) const {
if (!IsRemovableDevice(device_id_)) {
if (!storage_label_.empty())
return storage_label_;
return base::FilePath(location_).LossyDisplayName();
}
std::u16string name = override_display_name;
if (name.empty())
name = storage_label_;
if (name.empty())
name = GetFullProductName(vendor_name_, model_name_);
if (name.empty())
name = u"Unlabeled device";
if (with_size)
name = GetDisplayNameForDevice(total_size_in_bytes_, name);
return name;
}
} // namespace storage_monitor
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