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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "FolderComparator.h"
#include "mozilla/intl/LocaleService.h"
#include "nsMsgFolderFlags.h"
using mozilla::intl::LocaleService;
namespace mozilla::mailnews {
bool FolderComparator::Equals(const RefPtr<Folder>& a,
const RefPtr<Folder>& b) const {
if (a->mOrdinal.isNothing()) {
if (b->mOrdinal.isNothing()) {
const Collator* collator = GetCollator();
return collator->CompareStrings(
PromiseFlatString(NS_ConvertUTF8toUTF16(a->mName)),
PromiseFlatString(NS_ConvertUTF8toUTF16(b->mName))) == 0;
}
return false;
}
if (b->mOrdinal.isNothing()) {
return false;
}
if (a->mOrdinal != b->mOrdinal) {
return false;
}
return SpecialFlagsOrder(a->mFlags) == SpecialFlagsOrder(b->mFlags);
}
bool FolderComparator::LessThan(const RefPtr<Folder>& a,
const RefPtr<Folder>& b) const {
if (a->mOrdinal.isSome()) {
if (b->mOrdinal.isSome()) {
return a->mOrdinal < b->mOrdinal;
}
return true;
}
if (b->mOrdinal.isSome()) {
return false;
}
uint8_t aFlagsOrder = SpecialFlagsOrder(a->mFlags);
uint8_t bFlagsOrder = SpecialFlagsOrder(b->mFlags);
if (aFlagsOrder < bFlagsOrder) {
return true;
}
if (aFlagsOrder > bFlagsOrder) {
return false;
}
const Collator* collator = GetCollator();
return collator->CompareStrings(
PromiseFlatString(NS_ConvertUTF8toUTF16(a->mName)),
PromiseFlatString(NS_ConvertUTF8toUTF16(b->mName))) < 0;
}
uint8_t FolderComparator::SpecialFlagsOrder(const uint64_t flags) const {
if (flags & nsMsgFolderFlags::Inbox) return 0;
if (flags & nsMsgFolderFlags::Drafts) return 1;
if (flags & nsMsgFolderFlags::Templates) return 2;
if (flags & nsMsgFolderFlags::SentMail) return 3;
if (flags & nsMsgFolderFlags::Archive) return 4;
if (flags & nsMsgFolderFlags::Junk) return 5;
if (flags & nsMsgFolderFlags::Trash) return 6;
if (flags & nsMsgFolderFlags::Virtual) return 7;
if (flags & nsMsgFolderFlags::Queue) return 8;
return 9;
}
const Collator* FolderComparator::sCollator;
const Collator* FolderComparator::GetCollator() {
if (sCollator) {
return sCollator;
}
// Lazily initialize the Collator.
auto result = LocaleService::TryCreateComponent<Collator>();
if (result.isErr()) {
NS_ERROR("couldn't create a Collator");
return nullptr;
}
auto collator = result.unwrap();
// Sort in a case-insensitive way, where "base" letters are considered
// equal, e.g: a = á, a = A, a ≠ b.
Collator::Options options{};
options.sensitivity = Collator::Sensitivity::Base;
options.numeric = true;
auto optResult = collator->SetOptions(options);
if (optResult.isErr()) {
NS_ERROR("couldn't set options for Collator");
return nullptr;
}
sCollator = collator.release();
return sCollator;
}
} // namespace mozilla::mailnews