Remove a superfluous ivar and the unholy intermingling of UI and data…

… code it has caused (part of #2770)

Source/SPCustomQuery.h

@@ -160,7 +160,6 @@
 
 	SPDataStorage *resultData;
 	pthread_mutex_t resultDataLock;
-	NSInteger resultDataCount;
 	NSArray *cqColumnDefinition;
 	NSString *lastExecutedQuery;
 	NSInteger editedRow;

Source/SPCustomQuery.m

@@ -61,6 +61,7 @@
 #import "SPAppController.h"
 #import "SPBundleHTMLOutputController.h"
 #endif
+#import "SPFunctions.h"
 
 #import <pthread.h>
 #import <SPMySQL/SPMySQL.h>
@@ -884,7 +885,7 @@ - (void)performQueriesTask:(NSDictionary *)taskArguments
 								(long)totalAffectedRows
 							];
 		}
-		if(resultDataCount) {
+		if([resultData count]) {
 			// we were running a query that returns a result set (ie. SELECT).
 			// TODO: mysql_query() returns as soon as the first result row is found (which might be pretty soon when using indexes / not doing aggregations)
 			//       and that makes our query time measurement pretty useless (see #264)
@@ -905,7 +906,7 @@ - (void)performQueriesTask:(NSDictionary *)taskArguments
 #endif
 
 	// If no results were returned, redraw the empty table and post notifications before returning.
-	if ( !resultDataCount ) {
+	if ( ![resultData count] ) {
 		[customQueryView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
 
 		// Notify any listeners that the query has completed
@@ -931,8 +932,6 @@ - (void)performQueriesTask:(NSDictionary *)taskArguments
 		return;
 	}
 
-	[[customQueryView onMainThread] reloadData];
-
 	// Restore the result view origin if appropriate
 	if (!NSEqualRects(selectionViewportToRestore, NSZeroRect)) {
 
@@ -976,12 +975,12 @@ - (void)performQueriesTask:(NSDictionary *)taskArguments
  */
 - (void)updateResultStore:(SPMySQLStreamingResultStore *)theResultStore
 {
-
-	// Remove all items from the table
-	resultDataCount = 0;
-	[customQueryView performSelectorOnMainThread:@selector(noteNumberOfRowsChanged) withObject:nil waitUntilDone:YES];
 	pthread_mutex_lock(&resultDataLock);
-	[resultData removeAllRows];
+	// Remove all items from the table
+	SPMainQSync(^{
+		[resultData removeAllRows];
+		[customQueryView noteNumberOfRowsChanged];
+	});
 
 	// Add the new store
 	[resultData setDataStorage:theResultStore updatingExisting:NO];
@@ -994,11 +993,8 @@ - (void)updateResultStore:(SPMySQLStreamingResultStore *)theResultStore
 	[[self onMainThread] initQueryLoadTimer];
 
 	[resultData awaitDataDownloaded];
-
-	// If the final column autoresize wasn't performed, perform it
-	if (queryLoadLastRowCount < 200) [[self onMainThread] autosizeColumns];
-
-	[customQueryView performSelectorOnMainThread:@selector(noteNumberOfRowsChanged) withObject:nil waitUntilDone:NO];
+
+	// Any further UI updates are the responsibility of the timer callback
 }
 
 /**
@@ -1488,8 +1484,8 @@ - (void) clearQueryLoadTimer
  */
 - (void) queryLoadUpdate:(NSTimer *)theTimer
 {
-	resultDataCount = [resultData count];
-
+	NSUInteger resultDataCount = [resultData count];
+	
 	if (queryLoadTimerTicksSinceLastUpdate < queryLoadInterfaceUpdateInterval) {
 		queryLoadTimerTicksSinceLastUpdate++;
 		return;
@@ -1501,7 +1497,7 @@ - (void) queryLoadUpdate:(NSTimer *)theTimer
 
 	// Check whether a table update is required, based on whether new rows are
 	// available to display.
-	if (resultDataCount == (NSInteger)queryLoadLastRowCount) {
+	if (resultDataCount == queryLoadLastRowCount) {
 		return;
 	}
 
@@ -1548,7 +1544,7 @@ - (NSArray *)currentResult
  */
 - (NSUInteger)currentResultRowCount
 {
-	return resultDataCount;
+	return [resultData count];
 }
 
 /**
@@ -2077,7 +2073,7 @@ - (void)saveCellValue:(id)anObject forTableColumn:(NSTableColumn *)aTableColumn
  */
 - (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView
 {
-	return (aTableView == customQueryView) ? (resultData == nil) ? 0 : resultDataCount : 0;
+	return (aTableView == customQueryView) ? (resultData == nil) ? 0 : [resultData count] : 0;
 }
 
 /**
@@ -2102,7 +2098,7 @@ - (void)tableView:(SPCopyTable *)aTableView willDisplayCell:(id)cell forTableCol
 		if (isWorking) {
 			pthread_mutex_lock(&resultDataLock);
 
-			if (rowIndex < resultDataCount && columnIndex < [resultData columnCount]) {
+			if (SPIntS2U(rowIndex) < [resultData count] && columnIndex < [resultData columnCount]) {
 				showCellAsGray = [resultData cellIsNullOrUnloadedAtRow:rowIndex column:columnIndex];
 			} else {
 				showCellAsGray = YES;
@@ -2403,7 +2399,7 @@ - (NSString *)tableView:(NSTableView *)aTableView toolTipForCell:(SPTextAndLinkC
 	// cases.
 	if (isWorking) {
 		pthread_mutex_lock(&resultDataLock);
-		if (row < resultDataCount && (NSUInteger)[[aTableColumn identifier] integerValue] < [resultData columnCount]) {
+		if (SPIntS2U(row) < [resultData count] && (NSUInteger)[[aTableColumn identifier] integerValue] < [resultData columnCount]) {
 			theValue = [[SPDataStorageObjectAtRowAndColumn(resultData, row, [[aTableColumn identifier] integerValue]) copy] autorelease];
 		}
 		pthread_mutex_unlock(&resultDataLock);
@@ -3769,7 +3765,6 @@ - (id)init
 #endif
 
 		// init tableView's data source
-		resultDataCount = 0;
 		resultData = [[SPDataStorage alloc] init];
 		editedRow = -1;
 
@@ -4022,7 +4017,7 @@ - (id)_resultDataItemAtRow:(NSInteger)row columnIndex:(NSUInteger)column preserv
 	if (isWorking) {
 		pthread_mutex_lock(&resultDataLock);
 
-		if (row < resultDataCount && column < [resultData columnCount]) {
+		if (SPIntS2U(row) < [resultData count] && column < [resultData columnCount]) {
 			value = SPDataStoragePreviewAtRowAndColumn(resultData, row, column, 150);
 		}