Support importing of icalendar events

Makefile

@@ -48,6 +48,7 @@ SRCS = \
 	 src/Preferences.cpp  \
 	 src/SidePanelView.cpp  \
 	 src/utils/ColorConverter.cpp  \
+	 src/utils/ICal.cpp  \
 	 src/utils/ResourceLoader.cpp  \
 	 src/model/Category.cpp  \
 	 src/model/Event.cpp \

src/App.cpp

@@ -197,7 +197,8 @@ App::RefsReceived(BMessage* message)
 		info.SetTo(&file);
 		info.GetType(type);
 
-		if (BString(type) == BString("application/x-calendar-event"))
+		if (BString(type) == BString("application/x-calendar-event") ||
+			BString(type) == BString("text/calendar"))
 			fMainWindow->PostMessage(&msg);
 		else if (BString(type) == BString("application/x-calendar-category")) {
 			MessageReceived(new BMessage(kMenuCategoryEdit));

src/EventWindow.cpp

@@ -62,6 +62,7 @@ EventWindow::EventWindow()
 		CenterOnScreen();
 	}
 
+	fNew = true;
 	_DisableControls();
 }
 
@@ -183,9 +184,11 @@ EventWindow::SetEvent(Event* event)
 			fTextEndTime->SetText(GetLocaleTimeString(event->GetEndDateTime()));
 		}
 
+		if (fDBManager->GetEvent(event->GetName(), event->GetStartDateTime()))
+			fNew = false;
 
-		fDeleteButton->SetEnabled(true);
-
+		if (fNew == false)
+			fDeleteButton->SetEnabled(true);
 	}
 
 }
@@ -324,11 +327,11 @@ EventWindow::OnSaveClick()
 		fTextDescription->Text(), fAllDayCheckBox->Value() == B_CONTROL_ON,
 		start, end, category, notified);
 
-	if ((fEvent == NULL) && (fDBManager->AddEvent(&newEvent))) {
+	if ((fNew == true) && (fDBManager->AddEvent(&newEvent))) {
 		CloseWindow();
 	}
 
-	else if ((fEvent != NULL) && (fDBManager->UpdateEvent(fEvent, &newEvent)))
+	else if ((fNew == false) && (fDBManager->UpdateEvent(fEvent, &newEvent)))
 	{
 		CloseWindow();
 	}

src/EventWindow.h

@@ -116,6 +116,7 @@ class EventWindow: public BWindow {
 
 	Event*			fEvent;
 	BList*			fCategoryList;
+	bool			fNew;
 
 	QueryDBManager*	fDBManager;
 };

src/MainWindow.cpp

@@ -37,6 +37,7 @@ using BPrivate::BToolBar;
 #define B_TRANSLATION_CONTEXT "MainWindow"
 
 extern int32 NotificationLoop(void* data);
+extern int32 ImportICalEvents(void* icalFilePtr);
 
 
 MainWindow::MainWindow()
@@ -173,9 +174,17 @@ MainWindow::MessageReceived(BMessage* message)
 				info.SetTo(&file);
 				info.GetType(type);
 
+
 				if (BString(type) == BString("application/x-calendar-event"))
 					_LaunchEventManager(DBManager.GetEvent(ref));
-				else {
+
+				else if (BString(type) == BString("text/calendar")) {
+					thread_id icalThread = spawn_thread(ImportICalEvents,
+						"ICal import thread", B_NORMAL_PRIORITY,
+						new BFile(&ref, B_READ_ONLY));
+					resume_thread(icalThread);
+
+				} else {
 					BMessage msg = BMessage(B_REFS_RECEIVED);
 					msg.AddRef("refs", &ref);
 					((App*)be_app)->PostMessage(&msg);
@@ -376,6 +385,7 @@ MainWindow::_GetSelectedCalendarDate() const
 	return fSidePanelView->GetSelectedDate();
 }
 
+
 void
 MainWindow::_ToggleEventViewButton(int selectedButtonId)
 {

src/calendar.rdef

@@ -23,7 +23,8 @@ resource app_version {
 
 resource file_types message {
 	"types" = "application/x-calendar-category",
-	"types" = "application/x-calendar-event"
+	"types" = "application/x-calendar-event",
+	"types" = "text/calendar"
 };
 
 resource(1, "ADD_EVENT") #'VICN' array {