HaikuDepot: PackageInfoList -> PackageList, added PackageState enum

* Model has SetPackageState(). It adds or removes a PackageInfo
   to/from three internal lists, installed, activated and uninstalled
   packages.

src/apps/haiku-depot/MainWindow.h

@@ -47,7 +47,7 @@ private:
 			BSplitView*			fSplitView;
 
 			Model				fModel;
-			PackageInfoList		fVisiblePackages;
+			PackageList			fVisiblePackages;
 
 			PackageManager		fPackageManager;
 };

src/apps/haiku-depot/Model.cpp

@@ -47,9 +47,9 @@ public:
 		// Also the PackageList could actually contain references to packages
 		// instead of the packages as objects. The equal operator is quite
 		// expensive as is.
-		const PackageInfoList& packageList = fDepot.PackageList();
-		for (int i = packageList.CountItems() - 1; i >= 0; i--) {
-			if (packageList.ItemAtFast(i) == package)
+		const PackageList& packages = fDepot.Packages();
+		for (int i = packages.CountItems() - 1; i >= 0; i--) {
+			if (packages.ItemAtFast(i) == package)
 				return true;
 		}
 		return false;
@@ -131,20 +131,19 @@ Model::Model()
 }
 
 
-PackageInfoList
+PackageList
 Model::CreatePackageList() const
 {
 	// TODO: Allow to restrict depot, filter by search terms, ...
 
 	// Return all packages from all depots.
-	PackageInfoList resultList;
+	PackageList resultList;
 
 	for (int32 i = 0; i < fDepots.CountItems(); i++) {
-		const PackageInfoList& packageList
-			= fDepots.ItemAtFast(i).PackageList();
+		const PackageList& packages = fDepots.ItemAtFast(i).Packages();
 
-		for (int32 j = 0; j < packageList.CountItems(); j++) {
-			const PackageInfo& package = packageList.ItemAtFast(j);
+		for (int32 j = 0; j < packages.CountItems(); j++) {
+			const PackageInfo& package = packages.ItemAtFast(j);
 			if (fCategoryFilter->AcceptsPackage(package)
 				&& fDepotFilter->AcceptsPackage(package)
 				&& fSearchTermsFilter->AcceptsPackage(package)) {
@@ -164,6 +163,38 @@ Model::AddDepot(const DepotInfo& depot)
 }
 
 
+void
+Model::SetPackageState(const PackageInfo& package, PackageState state)
+{
+	switch (state) {
+		default:
+		case NONE:
+			fInstalledPackages.Remove(package);
+			fActivatedPackages.Remove(package);
+			fUninstalledPackages.Remove(package);
+			break;
+		case INSTALLED:
+			if (!fInstalledPackages.Contains(package))
+				fInstalledPackages.Add(package);
+			fActivatedPackages.Remove(package);
+			fUninstalledPackages.Remove(package);
+			break;
+		case ACTIVATED:
+			if (!fInstalledPackages.Contains(package))
+				fInstalledPackages.Add(package);
+			if (!fActivatedPackages.Contains(package))
+				fActivatedPackages.Add(package);
+			fUninstalledPackages.Remove(package);
+			break;
+		case UNINSTALLED:
+			fInstalledPackages.Remove(package);
+			fActivatedPackages.Remove(package);
+			fUninstalledPackages.Add(package);
+			break;
+	}
+}
+
+
 void
 Model::SetCategory(const BString& category)
 {

src/apps/haiku-depot/Model.h

@@ -25,7 +25,7 @@ public:
 								Model();
 
 			// !Returns new PackageInfoList from current parameters
-			PackageInfoList		CreatePackageList() const;
+			PackageList			CreatePackageList() const;
 
 			bool				AddDepot(const DepotInfo& depot);
 			const DepotList&	Depots() const
@@ -50,6 +50,10 @@ public:
 			const CategoryList&	Categories() const
 									{ return fCategories; }
 
+			void				SetPackageState(
+									const PackageInfo& package,
+									PackageState state);
+
 			// Configure PackageFilters
 			void				SetCategory(const BString& category);
 
@@ -69,6 +73,10 @@ private:
 
 			CategoryList		fCategories;
 
+			PackageList			fInstalledPackages;
+			PackageList			fActivatedPackages;
+			PackageList			fUninstalledPackages;
+
 			PackageFilterRef	fCategoryFilter;
 			PackageFilterRef	fDepotFilter;
 			PackageFilterRef	fSearchTermsFilter;

src/apps/haiku-depot/PackageInfo.h

@@ -232,7 +232,15 @@ private:
 };
 
 
-typedef List<PackageInfo, false> PackageInfoList;
+typedef List<PackageInfo, false> PackageList;
+
+
+enum PackageState {
+	NONE		= 0,
+	INSTALLED	= 1,
+	ACTIVATED	= 2,
+	UNINSTALLED	= 3,
+};
 
 
 class DepotInfo {
@@ -248,14 +256,14 @@ public:
 			const BString&		Name() const
 									{ return fName; }
 
-			const PackageInfoList& PackageList() const
+			const PackageList&	Packages() const
 									{ return fPackages; }
 
 			bool				AddPackage(const PackageInfo& package);
 
 private:
 			BString				fName;
-			PackageInfoList		fPackages;
+			PackageList			fPackages;
 };