diff options
Diffstat (limited to 'Source/SPDatabaseDocument.m')
| -rw-r--r-- | Source/SPDatabaseDocument.m | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/Source/SPDatabaseDocument.m b/Source/SPDatabaseDocument.m index 72cf201b..c91a5c08 100644 --- a/Source/SPDatabaseDocument.m +++ b/Source/SPDatabaseDocument.m @@ -1219,6 +1219,8 @@ */ - (void) startTaskWithDescription:(NSString *)description { + // Ensure a call on the main thread + if (![NSThread isMainThread]) return [[self onMainThread] startTaskWithDescription:description]; // Set the task text. If a nil string was supplied, a generic query notification is occurring - // if a task is not already active, use default text. @@ -1286,20 +1288,27 @@ /** * Sets the task percentage progress - the first call to this automatically * switches the progress display to determinate. + * Can be called from background threads - forwards to main thread as appropriate. */ - (void) setTaskPercentage:(CGFloat)taskPercentage { + + // If the task display is currently indeterminate, set it to determinate on the main thread. if (taskDisplayIsIndeterminate) { + if (![NSThread isMainThread]) return [[self onMainThread] setTaskPercentage:taskPercentage]; + taskDisplayIsIndeterminate = NO; [taskProgressIndicator stopAnimation:self]; [taskProgressIndicator setDoubleValue:0.5]; } + // Check the supplied progress. Compare it to the display interval - how often + // the interface is updated - and update the interface if the value has changed enough. taskProgressValue = taskPercentage; if (taskProgressValue > taskDisplayLastValue + taskProgressValueDisplayInterval || taskProgressValue < taskDisplayLastValue - taskProgressValueDisplayInterval) { - [taskProgressIndicator setDoubleValue:taskProgressValue]; + [taskProgressIndicator performSelectorOnMainThread:@selector(setNumberValue:) withObject:[NSNumber numberWithDouble:taskProgressValue] waitUntilDone:NO]; taskDisplayLastValue = taskProgressValue; } } @@ -1319,6 +1328,7 @@ } if (taskDisplayIsIndeterminate) return; + [NSObject cancelPreviousPerformRequestsWithTarget:taskProgressIndicator]; taskDisplayIsIndeterminate = YES; [taskProgressIndicator setIndeterminate:YES]; [taskProgressIndicator startAnimation:self]; @@ -1332,10 +1342,7 @@ { // Ensure a call on the main thread - if (![NSThread isMainThread]) { - [self performSelectorOnMainThread:@selector(endTask) withObject:nil waitUntilDone:YES]; - return; - } + if (![NSThread isMainThread]) return [[self onMainThread] endTask]; // Decrement the working level _isWorkingLevel--; |