playlist support - crashes

Package/Environment/Common/controls.conf

@@ -6,6 +6,7 @@ pageUp = A
 pageDown = B
 letterUp = N
 letterDown = M
+nextPlaylist = P
 select = Space
 back = Escape
 quit = Q

RetroFE/Source/Collection/CollectionInfo.cpp

@@ -37,11 +37,17 @@ CollectionInfo::~CollectionInfo()
 {
 	// remove items from the subcollections so their destructors do not
 	// delete the items since the parent collection will delete them.
-    std::vector<CollectionInfo *>::iterator subit;
-    for (subit != subcollections_.begin(); subit != subcollections_.end(); subit++)
+    std::vector<CollectionInfo *>::iterator subit = subcollections_.begin();
+    while (subit != subcollections_.end())
     {
     	CollectionInfo *info = *subit;
-    	info->items.clear();
+        subcollections_.erase(subit);
+
+        if(info != this)
+        {
+            delete info;
+        }
+        subit = subcollections_.begin();
     }
 
 

RetroFE/Source/Collection/CollectionInfo.h

@@ -17,6 +17,7 @@
 
 #include <string>
 #include <vector>
+#include <map>
 
 class Item;
 
@@ -36,6 +37,9 @@ public:
     std::string launcher;
     std::vector<Item *> items;
 
+    typedef std::map<std::string, std::vector <Item *> > Playlists_T;
+    Playlists_T playlists;
+
 private:
     std::vector<CollectionInfo *> subcollections_;
     std::string metadataPath_;

RetroFE/Source/Collection/CollectionInfoBuilder.cpp

@@ -242,8 +242,10 @@ bool CollectionInfoBuilder::ImportDirectory(CollectionInfo *info, std::string me
     struct dirent *dirp;
     std::string path = info->listpath;
     std::map<std::string, Item *> includeFilter;
+    std::map<std::string, Item *> favoritesFilter;
     std::map<std::string, Item *> excludeFilter;
     std::string includeFile = Utils::combinePath(Configuration::absolutePath, "collections", info->name, "include.txt");
+    std::string favoritesFile = Utils::combinePath(Configuration::absolutePath, "collections", info->name, "favorites.txt");
     std::string excludeFile = Utils::combinePath(Configuration::absolutePath, "collections", info->name, "exclude.txt");
 
     std::string launcher;
@@ -269,6 +271,7 @@ bool CollectionInfoBuilder::ImportDirectory(CollectionInfo *info, std::string me
     {
         Logger::write(Logger::ZONE_INFO, "CollectionInfoBuilder", "Checking for \"" + includeFile + "\"");
         ImportBasicList(info, includeFile, includeFilter);
+        ImportBasicList(info, favoritesFile, favoritesFilter);
         ImportBasicList(info, excludeFile, excludeFilter);
     }
 
@@ -297,6 +300,10 @@ bool CollectionInfoBuilder::ImportDirectory(CollectionInfo *info, std::string me
             }
         }
     }
+        for(std::map<std::string, Item *>::iterator it = favoritesFilter.begin(); it != favoritesFilter.end(); it++)
+        {
+            info->playlists["favorites"].push_back(it->second);
+        }
 
     while((dirp = readdir(dp)) != NULL)
     {
@@ -327,6 +334,7 @@ bool CollectionInfoBuilder::ImportDirectory(CollectionInfo *info, std::string me
                         i->collectionInfo = info;
 
                         info->items.push_back(i);
+                        info->playlists["include"].push_back(i);
                     }
                 }
             }

RetroFE/Source/Control/UserInput.cpp

@@ -67,6 +67,7 @@ bool UserInput::initialize()
     retVal = MapKey("select", KeyCodeSelect) && retVal;
     retVal = MapKey("back", KeyCodeBack) && retVal;
     retVal = MapKey("quit", KeyCodeQuit) && retVal;
+    MapKey("nextPlaylist", KeyCodeNextPlaylist);
     // these features will need to be implemented at a later time
 //   retVal = MapKey("admin", KeyCodeAdminMode) && retVal;
 //   retVal = MapKey("remove", KeyCodeHideItem) && retVal;

RetroFE/Source/Control/UserInput.h

@@ -38,6 +38,7 @@ public:
         KeyCodePageUp,
         KeyCodeLetterDown,
         KeyCodeLetterUp,
+        KeyCodeNextPlaylist,
         KeyCodeAdminMode,
         KeyCodeHideItem,
         KeyCodeQuit,

RetroFE/Source/Graphics/Component/ScrollingList.cpp

@@ -125,6 +125,7 @@ ScrollingList::~ScrollingList()
     destroyItems();
 }
 
+
 void ScrollingList::setItems(std::vector<ComponentItemBinding *> *spriteList)
 {
     notifyAllRequested_ = true;
@@ -227,6 +228,7 @@ void ScrollingList::destroyItems()
     {
         return;
     }
+    
     std::vector<ComponentItemBinding *>::iterator it  = spriteList_->begin();
 
     while(it != spriteList_->end())
@@ -235,11 +237,7 @@ void ScrollingList::destroyItems()
         {
             deallocateTexture(*it);
 
-            if((*it)->item)
-            {
-                delete (*it)->item;
-            }
-
+            // items are destroyed when collections are destroyed
             delete *it;
         }
 

RetroFE/Source/Graphics/Page.cpp

@@ -438,6 +438,7 @@ bool Page::pushCollection(CollectionInfo *collection)
     activeMenu_->destroyItems();
     activeMenu_->setItems(sprites);
     activeMenu_->triggerMenuEnterEvent();
+    playlist_ = collection->playlists.begin();
 
     if(menuDepth_ < menus_.size())
     {
@@ -514,9 +515,26 @@ bool Page::popCollection()
         }
     }
 
+    if(collection)
+    {
+        delete collection;
+    }
+
     return true;
 }
 
+void Page::nextPlaylist()
+{
+    CollectionInfo *collection = collections_.back();
+    playlist_++;
+    if(playlist_ == collection->playlists.end()) playlist_ = collection->playlists.begin();
+
+    std::vector<ComponentItemBinding *> *sprites = ComponentItemBindingBuilder::buildCollectionItems(&playlist_->second);
+    
+    activeMenu_->destroyItems();
+    activeMenu_->setItems(sprites);
+    activeMenu_->triggerMenuEnterEvent();
+}
 
 void Page::update(float dt)
 {

RetroFE/Source/Graphics/Page.h

@@ -16,13 +16,13 @@
 #pragma once
 
 #include "MenuNotifierInterface.h"
+#include "../Collection/CollectionInfo.h"
 
 #include <map>
 #include <string>
 #include <list>
 #include <vector>
 
-class CollectionInfo;
 class Component;
 class Configuration;
 class ScrollingList;
@@ -46,6 +46,7 @@ public:
     virtual void onNewItemSelected(Item *);
     bool pushCollection(CollectionInfo *collection);
     bool popCollection();
+    void nextPlaylist();
     void pushMenu(ScrollingList *s);
     bool isMenusFull();
     void setLoadSound(Sound *chunk);
@@ -105,6 +106,7 @@ private:
     Sound *selectSoundChunk_;
     float minShowTime_;
     float elapsedTime_;
+    CollectionInfo::Playlists_T::iterator playlist_;
 
 
 };

RetroFE/Source/RetroFE.cpp

@@ -489,7 +489,10 @@ RetroFE::RETROFE_STATE RetroFE::processUserInput(Page *page)
                 }
             }
         }
-
+        if(input_.keystate(UserInput::KeyCodeNextPlaylist) && page->isMenuIdle())
+        {
+            page->nextPlaylist();
+        }
         if (input_.keystate(UserInput::KeyCodeBack) && page->isMenuIdle())
         {
             if(back(exit) || exit)