public void onNodesUpdate(MegaSDK api, MNodeList nodes) { // Exit methods when node list is incorrect if (nodes == null || nodes.size() < 1) { return; } // Retrieve the listsize for performance reasons and store local int listSize = nodes.size(); for (int i = 0; i < listSize; i++) { try { // Get the specific node that has an update. If null exit the method // and process no notification MNode megaNode = nodes.get(i); if (megaNode == null) { return; } // Incoming shared folder if (megaNode.isInShare()) { if (megaNode.isRemoved()) // REMOVED Scenario { OnInSharedFolderRemoved(megaNode); } else // ADDED/UPDATED scenarios { OnInSharedFolderAdded(megaNode); } } // Outgoing shared folder - ADDED/UPDATED scenarios else if (megaNode.isOutShare()) { OnOutSharedFolderAdded(megaNode); } else { // Outgoing shared folder - REMOVED Scenario if (megaNode.hasChanged((int)MNodeChangeType.CHANGE_TYPE_OUTSHARE)) { OnOutSharedFolderRemoved(megaNode); } // Normal node if (megaNode.isRemoved()) // REMOVED Scenario { OnNodeRemoved(megaNode); } else // ADDED/UPDATED scenarions { OnNodeAdded(megaNode); } } } catch (Exception) { /* Dummy catch, suppress possible exception */ } } }
public void onNodesUpdate(MegaSDK api, MNodeList nodes) { // exit methods when node list is incorrect if (nodes == null || nodes.size() < 1) { return; } try { // Retrieve the listsize for performance reasons and store local int listSize = nodes.size(); for (int i = 0; i < listSize; i++) { bool isProcessed = false; // Get the specific node that has an update. If null exit the method // and process no notification MNode megaNode = nodes.get(i); if (megaNode == null) { return; } // PROCESS THE FOLDERS LISTENERS if (megaNode.isRemoved()) { // REMOVED Scenario foreach (var folder in Folders) { IMegaNode nodeToRemoveFromView = folder.ChildNodes.FirstOrDefault( node => node.Base64Handle.Equals(megaNode.getBase64Handle())); // If node is found in current view, process the remove action if (nodeToRemoveFromView != null) { // Needed because we are in a foreach loop to prevent the use of the wrong // local variable in the dispatcher code. var currentFolder = folder; Deployment.Current.Dispatcher.BeginInvoke(() => { try { currentFolder.ChildNodes.Remove(nodeToRemoveFromView); ((FolderNodeViewModel)currentFolder.FolderRootNode).SetFolderInfo(); } catch (Exception) { // Dummy catch, surpress possible exception } }); isProcessed = true; break; } } if (!isProcessed) { // REMOVED in subfolder scenario MNode parentNode = api.getParentNode(megaNode); if (parentNode != null) { foreach (var folder in Folders) { IMegaNode nodeToUpdateInView = folder.ChildNodes.FirstOrDefault( node => node.Base64Handle.Equals(parentNode.getBase64Handle())); // If parent folder is found, process the update action if (nodeToUpdateInView != null) { Deployment.Current.Dispatcher.BeginInvoke(() => { try { nodeToUpdateInView.Update(parentNode, folder.Type); var folderNode = nodeToUpdateInView as FolderNodeViewModel; if (folderNode != null) { folderNode.SetFolderInfo(); } } catch (Exception) { // Dummy catch, surpress possible exception } }); } } } } } // UPDATE / ADDED scenarions else { // UPDATE Scenario // PROCESS THE SINGLE NODE(S) LISTENER(S) (NodeDetailsPage live updates) foreach (var node in Nodes) { if (megaNode.getBase64Handle() == node.getNodeBase64Handle()) { Deployment.Current.Dispatcher.BeginInvoke(() => node.updateNode(megaNode)); } } // Used in different scenario's MNode parentNode = api.getParentNode(megaNode); foreach (var folder in Folders) { IMegaNode nodeToUpdateInView = folder.ChildNodes.FirstOrDefault( node => node.Base64Handle.Equals(megaNode.getBase64Handle())); // If node is found, process the update action if (nodeToUpdateInView != null) { bool isMoved = !folder.FolderRootNode.Base64Handle.Equals(parentNode.getBase64Handle()); // Is node is move to different folder. Remove from current folder view if (isMoved) { // Needed because we are in a foreach loop to prevent the use of the wrong // local variable in the dispatcher code. var currentFolder = folder; Deployment.Current.Dispatcher.BeginInvoke(() => { try { currentFolder.ChildNodes.Remove(nodeToUpdateInView); ((FolderNodeViewModel)currentFolder.FolderRootNode).SetFolderInfo(); UpdateFolders(currentFolder); } catch (Exception) { // Dummy catch, surpress possible exception } }); } // Node is updated with new data. Update node in current view else { Deployment.Current.Dispatcher.BeginInvoke(() => { try { nodeToUpdateInView.Update(megaNode, folder.Type); } catch (Exception) { // Dummy catch, surpress possible exception } }); isProcessed = true; break; } } } // ADDED scenario if (parentNode != null && !isProcessed) { foreach (var folder in Folders) { bool isAddedInFolder = folder.FolderRootNode.Base64Handle.Equals(parentNode.getBase64Handle()); // If node is added in current folder, process the add action if (isAddedInFolder) { // Retrieve the index from the SDK // Substract -1 to get a valid list index int insertIndex = api.getIndex(megaNode, UiService.GetSortOrder(parentNode.getBase64Handle(), parentNode.getName())) - 1; // If the insert position is higher than the ChilNodes size insert in the last position if (insertIndex >= folder.ChildNodes.Count()) { // Needed because we are in a foreach loop to prevent the use of the wrong // local variable in the dispatcher code. var currentFolder = folder; Deployment.Current.Dispatcher.BeginInvoke(() => { try { currentFolder.ChildNodes.Add(NodeService.CreateNew(api, _appInformation, megaNode, currentFolder.Type)); ((FolderNodeViewModel)currentFolder.FolderRootNode).SetFolderInfo(); UpdateFolders(currentFolder); } catch (Exception) { // Dummy catch, surpress possible exception } }); } // Insert the node at a specific position else { // Insert position can never be less then zero // Replace negative index with first possible index zero if (insertIndex < 0) { insertIndex = 0; } // Needed because we are in a foreach loop to prevent the use of the wrong // local variable in the dispatcher code. var currentFolder = folder; Deployment.Current.Dispatcher.BeginInvoke(() => { try { currentFolder.ChildNodes.Insert(insertIndex, NodeService.CreateNew(api, _appInformation, megaNode, currentFolder.Type)); ((FolderNodeViewModel)currentFolder.FolderRootNode).SetFolderInfo(); UpdateFolders(currentFolder); } catch (Exception) { // Dummy catch, surpress possible exception } }); } break; } // ADDED in subfolder scenario IMegaNode nodeToUpdateInView = folder.ChildNodes.FirstOrDefault( node => node.Base64Handle.Equals(parentNode.getBase64Handle())); if (nodeToUpdateInView != null) { Deployment.Current.Dispatcher.BeginInvoke(() => { try { nodeToUpdateInView.Update(parentNode, folder.Type); var folderNode = nodeToUpdateInView as FolderNodeViewModel; if (folderNode != null) { folderNode.SetFolderInfo(); } } catch (Exception) { // Dummy catch, surpress possible exception } }); break; } // Unconditional scenarios // Move/delete/add actions in subfolders var localFolder = folder; Deployment.Current.Dispatcher.BeginInvoke(() => { try { UpdateFolders(localFolder); } catch (Exception) { // Dummy catch, surpress possible exception } }); } } } } } catch (Exception) { // Dummy catch, surpress possible exception } }