QMimeData* LibraryModel::mimeData(const QModelIndexList& indexes) const {
if (indexes.isEmpty()) return nullptr;
// Special case: a smart playlist was dragged
if (IndexToItem(indexes.first())->type == LibraryItem::Type_SmartPlaylist) {
GeneratorPtr generator = CreateGenerator(indexes.first());
if (!generator) return nullptr;
GeneratorMimeData* data = new GeneratorMimeData(generator);
data->setData(kSmartPlaylistsMimeType, QByteArray());
data->name_for_new_playlist_ = this->data(indexes.first()).toString();
return data;
}
SongMimeData* data = new SongMimeData;
QList<QUrl> urls;
QSet<int> song_ids;
data->backend = backend_;
for (const QModelIndex& index : indexes) {
GetChildSongs(IndexToItem(index), &urls, &data->songs, &song_ids);
}
data->setUrls(urls);
data->name_for_new_playlist_ =
PlaylistManager::GetNameForNewPlaylist(data->songs);
return data;
}
QMimeData* InternetModel::mimeData(const QModelIndexList& indexes) const {
// Special case for when the user double clicked on a special item.
if (indexes.count() == 1 &&
indexes[0].data(Role_PlayBehaviour).toInt() ==
PlayBehaviour_DoubleClickAction) {
InternetModel::ServiceForIndex(indexes[0])
->ItemDoubleClicked(itemFromIndex(indexes[0]));
return nullptr;
}
if (indexes.count() == 1 &&
indexes[0].data(Role_Type).toInt() == Type_SmartPlaylist) {
GeneratorPtr generator = InternetModel::ServiceForIndex(indexes[0])
->CreateGenerator(itemFromIndex(indexes[0]));
if (!generator) return nullptr;
GeneratorMimeData* data = new GeneratorMimeData(generator);
data->setData(LibraryModel::kSmartPlaylistsMimeType, QByteArray());
data->name_for_new_playlist_ = this->data(indexes.first()).toString();
return data;
}
QList<QUrl> urls;
QModelIndexList new_indexes;
QModelIndex last_valid_index;
for (const QModelIndex& index : indexes) {
if (!IsPlayable(index)) continue;
last_valid_index = index;
if (index.data(Role_PlayBehaviour).toInt() == PlayBehaviour_MultipleItems) {
// Get children
int row = 0;
int column = 0;
QModelIndex child = index.child(row, column);
while (child.isValid()) {
new_indexes << child;
urls << child.data(Role_Url).toUrl();
child = index.child(++row, column);
}
} else {
new_indexes = indexes;
urls << index.data(Role_Url).toUrl();
}
}
if (urls.isEmpty()) return nullptr;
InternetMimeData* data = new InternetMimeData(this);
data->setUrls(urls);
data->indexes = new_indexes;
data->name_for_new_playlist_ =
InternetModel::ServiceForIndex(last_valid_index)->name();
return data;
}
QMimeData* InternetModel::mimeData(const QModelIndexList& indexes) const {
// Special case for when the user double clicked on a special item.
if (indexes.count() == 1 &&
indexes[0].data(Role_PlayBehaviour).toInt() ==
PlayBehaviour_DoubleClickAction) {
InternetModel::ServiceForIndex(indexes[0])->ItemDoubleClicked(itemFromIndex(indexes[0]));
return NULL;
}
if (indexes.count() == 1 &&
indexes[0].data(Role_Type).toInt() == Type_SmartPlaylist) {
GeneratorPtr generator =
InternetModel::ServiceForIndex(indexes[0])->CreateGenerator(itemFromIndex(indexes[0]));
if (!generator)
return NULL;
GeneratorMimeData* data = new GeneratorMimeData(generator);
data->setData(LibraryModel::kSmartPlaylistsMimeType, QByteArray());
data->name_for_new_playlist_ = this->data(indexes.first()).toString();
return data;
}
QList<QUrl> urls;
QModelIndexList new_indexes;
QModelIndex last_valid_index;
foreach (const QModelIndex& index, indexes) {
if (!IsPlayable(index))
continue;
last_valid_index = index;
if (index.data(Role_Type).toInt() == Type_UserPlaylist) {
// Get children
int row = 0;
int column = 0;
QModelIndex child = index.child(row, column);
while (child.isValid()) {
// If the playlist contains another playlist, expand it
if (child.data(Role_Type).toInt() == Type_UserPlaylist) {
// "List" of indexes to recurse on
QModelIndexList templist;
templist.append(child);
// We know this is going to be an InternetMimeData because we're calling
// ourselves with something that we always return InternetMimeData for!
InternetMimeData* recurse = qobject_cast<InternetMimeData*>(mimeData(templist));
// Add children if there were any
if (recurse) {
new_indexes.append(recurse->indexes);
urls.append(recurse->urls());
delete recurse;
}
} else {
new_indexes << child;
urls << child.data(Role_Url).toUrl();
}
child = index.child(++row, column);
}
} else {
new_indexes = indexes;
urls << index.data(Role_Url).toUrl();
}
}
if (urls.isEmpty())
return NULL;
InternetMimeData* data = new InternetMimeData(this);
data->setUrls(urls);
data->indexes = new_indexes;
data->name_for_new_playlist_ = InternetModel::ServiceForIndex(last_valid_index)->name();
return data;
}