taskbar::taskbar():
m_State(TBPF_NOPROGRESS)
{
CoCreateInstance(CLSID_TaskbarList, nullptr, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, IID_PPV_ARGS_Helper(&ptr_setter(m_TaskbarList)));
}
bool SQLiteDb::Open(string_view const DbFile, bool Local, bool WAL)
{
const auto& v1_opener = [](string_view const Name, database_ptr& Db)
{
return sqlite::sqlite3_open16(null_terminated(Name).c_str(), &ptr_setter(Db)) == SQLITE_OK;
};
const auto& v2_opener = [WAL](string_view const Name, database_ptr& Db)
{
return sqlite::sqlite3_open_v2(encoding::utf8::get_bytes(Name).c_str(), &ptr_setter(Db), WAL? SQLITE_OPEN_READWRITE : SQLITE_OPEN_READONLY, nullptr) == SQLITE_OK;
};
m_Path = GetDatabasePath(DbFile, Local);
const auto mem_db = DbFile == MemoryDbName;
if (!Global->Opt->ReadOnlyConfig || mem_db)
{
if (!mem_db && db_exists < 0)
{
db_exists = os::fs::is_file(m_Path)? +1 : 0;
}
if (!v1_opener(m_Path, m_Db))
return false;
sqlite::sqlite3_busy_timeout(m_Db.get(), 1000);
return true;
}
// copy db to memory
//
if (!v1_opener(MemoryDbName, m_Db))
return false;
bool ok = true, copied = false;
if (os::fs::is_file(m_Path))
{
database_ptr db_source;
if (db_exists < 0)
db_exists = +1;
if (WAL && !can_create_file(concat(m_Path, L'.', GuidToStr(CreateUuid())))) // can't open db -- copy to %TEMP%
{
string strTmp;
os::fs::GetTempPath(strTmp);
append(strTmp, str(GetCurrentProcessId()), L'-', DbFile);
ok = copied = os::fs::copy_file(m_Path, strTmp, nullptr, nullptr, nullptr, 0);
if (ok)
{
os::fs::set_file_attributes(strTmp, FILE_ATTRIBUTE_NORMAL);
m_Path = strTmp;
ok = v1_opener(m_Path, db_source);
}
}
else
{
ok = v2_opener(m_Path, db_source);
}
if (ok)
{
sqlite::sqlite3_busy_timeout(db_source.get(), 1000);
const auto db_backup = sqlite::sqlite3_backup_init(m_Db.get(), "main", db_source.get(), "main");
ok = (nullptr != db_backup);
if (ok)
{
sqlite::sqlite3_backup_step(db_backup, -1);
sqlite::sqlite3_backup_finish(db_backup);
ok = sqlite::sqlite3_errcode(m_Db.get()) == SQLITE_OK;
}
}
}
if (copied)
os::fs::delete_file(m_Path);
assign(m_Path, MemoryDbName);
if (!ok)
Close();
return ok;
}
