// private methods
int SmartListCtrl::binSearch( int size, int begin, int end, const AssetInfo& assetInfo )
{
if ( size == 0 || end == begin - 1 )
return -1; // this values can happen under normal circumstances
if ( size < 0 || begin < 0 || end < 0 || end < begin - 1
|| begin >= size || end >= size )
{
// border cases that should not happen
WARNING_MSG( "SmartListCtrl::binSearch: bad parameters size (%d),"
" begin (%d) and/or end (%d), searching for %s (%s)\n",
size, begin, end, assetInfo.text().c_str(),
assetInfo.longText().c_str() );
return -1;
}
int index = (begin + end) / 2;
if ( index < 0 || index >= size )
{
// this should never happen at this stage
WARNING_MSG( "SmartListCtrl::binSearch: bad index %d searching for %s (%s)\n",
index, assetInfo.text().c_str(), assetInfo.longText().c_str() );
return -1;
}
AssetInfo inf = getAssetInfo( index );
int cmp = _stricmp( inf.text().c_str(), assetInfo.text().c_str() );
if ( cmp == 0 )
{
// found. loop backwards to find the first in case of duplicates
int i = index;
while( --i > 0 )
{
AssetInfo inf = getAssetInfo( i );
if ( _stricmp( inf.text().c_str(), assetInfo.text().c_str() ) == 0 )
--index;
else
break;
}
return index;
}
else if ( begin < end )
{
if ( cmp < 0 )
{
return binSearch( size, index+1, end, assetInfo );
}
else
{
return binSearch( size, begin, index-1, assetInfo );
}
}
return -1;
}
void AssetRequest::start() {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "start", Qt::AutoConnection);
return;
}
if (_state != NOT_STARTED) {
qCWarning(networking) << "AssetRequest already started.";
return;
}
_state = WAITING_FOR_INFO;
auto assetClient = DependencyManager::get<AssetClient>();
assetClient->getAssetInfo(_hash, _extension, [this](AssetServerError error, AssetInfo info) {
_info = info;
_error = error;
if (_error != NoError) {
qCDebug(networking) << "Got error retrieving asset info for" << _hash;
_state = FINISHED;
emit finished(this);
return;
}
_state = WAITING_FOR_DATA;
_data.resize(info.size);
qCDebug(networking) << "Got size of " << _hash << " : " << info.size << " bytes";
int start = 0, end = _info.size;
auto assetClient = DependencyManager::get<AssetClient>();
assetClient->getAsset(_hash, _extension, start, end, [this, start, end](AssetServerError error,
const QByteArray& data) {
Q_ASSERT(data.size() == (end - start));
_error = error;
if (_error == NoError) {
memcpy(_data.data() + start, data.constData(), data.size());
_totalReceived += data.size();
emit progress(_totalReceived, _info.size);
} else {
qCDebug(networking) << "Got error retrieving asset" << _hash;
}
_state = FINISHED;
emit finished(this);
});
});
}
bool SmartListCtrl::showItem( const AssetInfo& assetInfo )
{
int n = GetItemCount();
int begin = binSearch( n, 0, n-1, assetInfo );
if ( begin == -1 )
{
// binSearch didn't find it, so try from the beginning
begin = 0;
}
for( int i = begin; i < n; ++i )
{
AssetInfo inf = getAssetInfo( i );
if ( _stricmp( inf.longText().c_str(), assetInfo.longText().c_str() ) == 0 )
{
SetItemState( -1, 0, LVIS_SELECTED );
SetItemState( i, LVIS_SELECTED, LVIS_SELECTED );
EnsureVisible( i, FALSE );
return true;
}
}
return false;
}
void SmartListCtrl::updateItem( int index, bool removeFromCache )
{
updateItemInternal( index, getAssetInfo( index ), removeFromCache );
}
