160 lines
4.3 KiB
Objective-C
160 lines
4.3 KiB
Objective-C
/*
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Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
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This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
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which should be included with this package. The terms are also available at
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http://www.gnu.org/licenses/gpl-3.0.html
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*/
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#import "ProgressController.h"
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#import "Utils.h"
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NSString *JobCompletedNotification = @"JobCompletedNotification";
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NSString *JobCancelledNotification = @"JobCancelledNotification";
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static ProgressController *_mainPC = nil;
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@implementation ProgressController
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@synthesize cancelButton;
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@synthesize progressBar;
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@synthesize statusText;
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@synthesize descText;
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+ (ProgressController *)mainProgressController
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{
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if (_mainPC == nil)
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_mainPC = [[ProgressController alloc] init];
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return _mainPC;
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}
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- (id)init
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{
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self = [super initWithWindowNibName:@"progress"];
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[self window];
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[progressBar setUsesThreadedAnimation:YES];
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_worker = nil;
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_running = NO;
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidBecomeActive:) name:NSApplicationDidBecomeActiveNotification object:nil];
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return self;
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}
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- (IBAction)cancel:(id)sender
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{
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[self hide];
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}
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- (void)hide
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{
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if (_worker != nil)
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[_worker cancelJob];
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[[NSNotificationCenter defaultCenter] postNotificationName:JobCancelledNotification object:self];
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_running = NO;
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[NSApp endSheet:[self window] returnCode:NSRunAbortedResponse];
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/* There's this really strange thing where when the app is inactive at the point we want to hide
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the progress dialog, it becomes impossible to close it. I guess it's due to some strange
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thread-related crap. Anyway, *DO NOT HIDE THE SHEET WHILE THE APP IS INACTIVE*. Do it later,
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when the app becomes active again.
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*/
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if ([NSApp isActive]) {
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[[self window] orderOut:nil];
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}
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}
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- (void)show
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{
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[self showWithCancelButton:YES];
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}
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- (void)showWithCancelButton:(BOOL)cancelEnabled
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{
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[progressBar setIndeterminate:YES];
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[[self window] makeKeyAndOrderFront:nil];
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[progressBar setUsesThreadedAnimation:YES];
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[progressBar startAnimation:nil];
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[cancelButton setEnabled:cancelEnabled];
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_running = YES;
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[NSThread detachNewThreadSelector:@selector(threadedWorkerProbe) toTarget:self withObject:nil];
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}
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- (void)showSheetForParent:(NSWindow *) parentWindow
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{
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[self showSheetForParent:parentWindow withCancelButton:YES];
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}
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- (void)showSheetForParent:(NSWindow *) parentWindow withCancelButton:(BOOL)cancelEnabled
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{
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[progressBar setIndeterminate:YES];
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[progressBar startAnimation:nil];
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[cancelButton setEnabled:cancelEnabled];
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_running = YES;
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[NSThread detachNewThreadSelector:@selector(threadedWorkerProbe) toTarget:self withObject:nil];
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[NSApp beginSheet:[self window] modalForWindow:parentWindow modalDelegate:nil didEndSelector:nil contextInfo:nil];
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}
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- (void)updateProgress
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{
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if (!_running)
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return;
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NSNumber *progress = [_worker getJobProgress];
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NSString *status = [_worker getJobDesc];
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if ((status != nil) && ([status length] > 0))
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{
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[statusText setStringValue:status];
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}
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if (progress != nil)
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{
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[progressBar setDoubleValue:n2i(progress)];
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[progressBar setIndeterminate: n2i(progress) < 0];
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}
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else
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{
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[self hide];
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[_worker jobCompleted:_jobId];
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[[NSNotificationCenter defaultCenter] postNotificationName:JobCompletedNotification object:self];
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}
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}
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- (void)threadedWorkerProbe
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{
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while (_running && (_worker != nil))
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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[NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:1]];
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[self performSelectorOnMainThread:@selector(updateProgress) withObject:nil waitUntilDone:YES];
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[pool release];
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}
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}
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/* Properties */
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- (BOOL)isShown
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{
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return _running;
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}
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- (id)jobId {return _jobId;}
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- (void)setJobId:(id)jobId
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{
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[_jobId autorelease];
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_jobId = [jobId retain];
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}
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- (void)setJobDesc:(NSString *)desc
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{
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[descText setStringValue:desc];
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[statusText setStringValue:NSLocalizedStringFromTable(@"Please wait...", @"cocoalib", @"")];
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}
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- (void)setWorker:(NSObject<Worker> *)worker
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{
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_worker = worker;
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}
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/* Delegate and Notifs */
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- (void)applicationDidBecomeActive:(NSNotification *)notification
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{
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if (!_running) {
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[[self window] orderOut:nil];
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}
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}
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@end
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