Initial community commit

Src/Plugins/Library/ml_playlists/PlaylistsCB.cpp

@@ -0,0 +1,120 @@
+#include "main.h"
+#include "PlaylistsCB.h"
+using namespace Nullsoft::Utility;
+
+static UINT_PTR refreshTimer;
+void CALLBACK RefreshPlaylistsCallback(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
+{
+	if (idEvent == 777)
+	{
+		KillTimer(plugin.hwndWinampParent, idEvent);
+		refreshTimer = 0;
+		RefreshPlaylistsList();
+	}
+}
+
+int PlaylistsCB::notify(int msg, intptr_t param1, intptr_t param2)
+{
+	switch (msg)
+	{
+		case api_playlists::PLAYLIST_ADDED:
+		{
+			AutoLockT<api_playlists> lock(AGAVE_API_PLAYLISTS);  // should already be locked, but can't hurt
+			size_t newIndex = static_cast<size_t>(param1);
+			PlaylistInfo playlist(newIndex);
+			if (playlist.Valid())
+			{
+				// TODO: check where newIndex is, so we can insert into the middle of the list if necessary
+				/* TODO: maybe stuff this in Set/GetInfo somewhere
+				if (makeTree)
+				*/
+				MakeTree(playlist);
+				if (refreshTimer) KillTimer(plugin.hwndWinampParent, refreshTimer);
+				refreshTimer = SetTimer(plugin.hwndWinampParent, 777, 250, RefreshPlaylistsCallback);
+				if (!param2) AGAVE_API_PLAYLISTS->Flush(); // REVIEW: save immediately? or only at the end?
+			}
+			return 1;
+		}
+		break;
+		case api_playlists::PLAYLIST_REMOVED_PRE:
+		{
+			AutoLockT<api_playlists> lock(AGAVE_API_PLAYLISTS);  // should already be locked, but can't hurt
+			size_t index = static_cast<size_t>(param1),
+				   count = AGAVE_API_PLAYLISTS->GetCount();
+			PlaylistInfo info(index);
+			if (info.Valid())
+			{
+				// is a number of cases where this just seems to fail and so we revert to manually
+				// parsing the playlists tree inorder to find and remove the expected playlist by
+				// the index of the playlist (since we don't alter the order, this should be safe)
+				if (!info.treeId)
+				{
+					INT_PTR id = mediaLibrary.GetChildId(playlistsTreeId);
+					if (id)
+					{
+						for (size_t i = 0; i < count; i++)
+						{
+							if (i == index)
+							{
+								mediaLibrary.RemoveTreeItem(id);
+								break;
+							}
+
+							if (!(id = mediaLibrary.GetNextId(id))) break;
+						}
+					}
+				}
+				else
+					mediaLibrary.RemoveTreeItem(info.treeId);
+
+				tree_to_guid_map.erase(info.treeId);
+			}
+			return 1;
+		}
+		break;
+		case api_playlists::PLAYLIST_REMOVED_POST:
+		{
+			if (refreshTimer) KillTimer(plugin.hwndWinampParent, refreshTimer);
+			refreshTimer = SetTimer(plugin.hwndWinampParent, 777, 250, RefreshPlaylistsCallback);
+			return 1;
+		}
+		break;
+		case api_playlists::PLAYLIST_RENAMED:
+		{
+			AutoLockT<api_playlists> lock(AGAVE_API_PLAYLISTS);  // should already be locked, but can't hurt
+			// tell the media library to rename the treeview node
+			size_t index = static_cast<size_t>(param1);
+			PlaylistInfo playlist(index);
+			if (playlist.Valid())
+			{
+				mediaLibrary.RenameTreeId(playlist.treeId, playlist.GetName());
+			}
+			return 1;
+		}
+		break;
+		case api_playlists::PLAYLIST_SAVED:
+			if (param2 != (intptr_t)&uniqueAddress)
+			{
+				AutoLockT<api_playlists> lock(AGAVE_API_PLAYLISTS);  // should already be locked, but can't hurt		
+				size_t index = static_cast<size_t>(param1);
+				playlist_ReloadGUID(AGAVE_API_PLAYLISTS->GetGUID(index));		
+			}
+			break;
+		case api_playlists::PLAYLIST_FLUSH_REQUEST:
+			if (param2 != (intptr_t)&uniqueAddress)
+			{
+				AutoLockT<api_playlists> lock(AGAVE_API_PLAYLISTS);  // should already be locked, but can't hurt
+				size_t index = static_cast<size_t>(param1);
+				playlist_SaveGUID(AGAVE_API_PLAYLISTS->GetGUID(index));
+			}
+			break;
+	}
+	return 0;
+}
+
+#define CBCLASS PlaylistsCB
+START_DISPATCH;
+CB(SYSCALLBACK_GETEVENTTYPE, getEventType);
+CB(SYSCALLBACK_NOTIFY, notify);
+END_DISPATCH;
+#undef CBCLASS