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ArchiveProgressController.m
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ArchiveProgressController.m
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//
// ArchiveProgressController.m
// Bezipped
//
// Created by Michael Fey on 3/10/08.
// Copyright (c) 2010, Michael Fey
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation and/or
// other materials provided with the distribution.
// - Neither the name of the Michael Fey nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#import "ArchiveProgressController.h"
#import "MFGrowler.h"
int BZIP_RETURN_CODE_NORMAL = 0;
int BZIP_RETURN_CODE_ENVIRONMENTAL_PROBLEM = 1;
int BZIP_RETURN_CODE_INTERNAL_ERROR = 2;
@implementation ArchiveProgressController
#pragma mark Initialization
- (id) initWithFilesToArchive:(NSArray*)files
{
if (![self init])
return nil;
filesToArchive = [files retain];
fileManager = [[NSFileManager defaultManager] retain];
NSArray* applicationSupportDirectories = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
if ([applicationSupportDirectories count] == 0)
bezippedTempDirectory = [@"~/.bezippedTemp" stringByExpandingTildeInPath];
bezippedTempDirectory = [[applicationSupportDirectories objectAtIndex:0] stringByAppendingPathComponent:@"Bezipped/Temp"];
if ([fileManager fileExistsAtPath:bezippedTempDirectory] == NO)
[fileManager createDirectoryAtPath:bezippedTempDirectory withIntermediateDirectories:YES attributes:nil error:nil];
return self;
}
- (id) init
{
if (!(self = [super init]))
return nil;
if (archiveProgressView == nil) {
if (![NSBundle loadNibNamed:@"ArchiveProgressView" owner:self])
NSLog(@"Failed to load ArchiveProgressView");
if (archiveProgressView == nil)
NSLog(@"archiveProgressView is still nil");
}
return self;
}
#pragma mark Setters and getters
- (ArchiveProgressView *) view
{
return archiveProgressView;
}
- (BOOL) isArchiveInProgress
{
return [tarTask isRunning];
}
- (void) setBackgroundColor:(NSColor*)color
{
[archiveProgressView setBackgroundColor:color];
}
#pragma mark Start and Stop
- (void) startBuildingArchive
{
NSMutableArray* fileNames = [NSMutableArray arrayWithCapacity:[filesToArchive count]];
NSString* fileNamesLabelText = @"";
double sizeOfAllDraggedFiles = 0;
int i = 0;
for (i; i < [filesToArchive count]; i++) {
[fileNames addObject:[[filesToArchive objectAtIndex:i] lastPathComponent]];
fileNamesLabelText = [fileNamesLabelText stringByAppendingString:[fileNames objectAtIndex:i]];
sizeOfAllDraggedFiles += [[self sizeOfFileSystemObjectAtPath:[filesToArchive objectAtIndex:i]] doubleValue];
if (i != [filesToArchive count] - 1)
fileNamesLabelText = [fileNamesLabelText stringByAppendingString:@", "];
}
[progressIndicator setMaxValue:sizeOfAllDraggedFiles];
[progressIndicator setDoubleValue:0];
[droppedFilesLabel setStringValue:fileNamesLabelText];
[droppedFilesImageView setImage:[[NSWorkspace sharedWorkspace] iconForFile:[filesToArchive objectAtIndex:0]]];
[archiveSizeLabel setStringValue:@"0 KB"];
NSString* tarFileName;
if (i == 1)
tarFileName = [[fileNames objectAtIndex:0] stringByAppendingPathExtension:@"tbz.XXXX"];
else
tarFileName = [@"Bezipped Archive" stringByAppendingPathExtension:@"tbz.XXXX"];
NSString* tempFileTemplate = [bezippedTempDirectory stringByAppendingPathComponent:tarFileName];
char* tempFilePath = mktemp((char *)([fileManager fileSystemRepresentationWithPath:tempFileTemplate]));
tarFile = [[fileManager stringWithFileSystemRepresentation:tempFilePath length:strlen(tempFilePath)] retain];
[self buildMostCommonPath];
[self buildArrayOfFilesToArchiveFromMostCommonPath];
NSMutableArray* tarArguments = [NSMutableArray arrayWithObjects:@"-cjf", tarFile, nil];
[tarArguments addObjectsFromArray:filePathsAfterMostCommonPath];
tarTask = [[[NSTask alloc] init] retain];
[tarTask setLaunchPath:@"/usr/bin/tar"];
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"createWindowsFriendlyArchives"])
[tarTask setEnvironment:[NSDictionary dictionaryWithObjectsAndKeys:@"true", @"COPYFILE_DISABLE", nil]];
// Run the task from the indicated directory
[tarTask setCurrentDirectoryPath:mostCommonPath];
[tarTask setArguments:tarArguments];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(tarTaskEnded:) name:NSTaskDidTerminateNotification object:tarTask];
archivePollingTimer = [[NSTimer scheduledTimerWithTimeInterval:.5 target:self selector:@selector(checkTarFileSize:) userInfo:nil repeats:YES] retain];
[tarTask launch];
}
-(IBAction) stopBuildingArchive:(id)sender
{
[tarTask terminate];
}
#pragma mark Utility methods
- (void)checkTarFileSize:(NSTimer*)timer
{
double tarFileSize = [[self sizeOfFileSystemObjectAtPath:tarFile] doubleValue];
[progressIndicator setDoubleValue:tarFileSize];
float tarFileSizeFloat = tarFileSize / 1024;
NSString* postFix = @" KB";
if (tarFileSizeFloat > 1024) {
tarFileSizeFloat = tarFileSizeFloat / 1024;
postFix = @" MB";
}
[archiveSizeLabel setStringValue:[[NSString stringWithFormat:@"Archive size: %1.1f", tarFileSizeFloat] stringByAppendingString:postFix]];
}
- (NSNumber*) sizeOfFileSystemObjectAtPath:(NSString*)filePath
{
NSArray* contents;
unsigned long long size = 0;
NSEnumerator* enumerator;
NSString* path;
BOOL isDirectory;
// Determine Paths to Add
if ([fileManager fileExistsAtPath:filePath isDirectory:&isDirectory] && isDirectory)
contents = [fileManager subpathsAtPath:filePath];
else
contents = [NSArray arrayWithObject:@""];
// Add Size Of All Paths
enumerator = [contents objectEnumerator];
while (path = [enumerator nextObject]) {
NSDictionary *fattrs = [fileManager fileAttributesAtPath:[filePath stringByAppendingPathComponent:path] traverseLink:NO];
size += [[fattrs objectForKey:NSFileSize] unsignedLongLongValue];
}
// Return Total Size in Bytes
return [NSNumber numberWithUnsignedLongLong:size];
}
- (IBAction) revealArchiveInFinder:(id)sender {
if (tarFileAliasHandle == NULL)
[[NSWorkspace sharedWorkspace] selectFile:tarFile inFileViewerRootedAtPath:nil];
FSRef tarFileTarget;
Boolean wasChanged = false;
OSErr err = FSResolveAlias(NULL, tarFileAliasHandle, &tarFileTarget, &wasChanged);
if (err == fnfErr)
NSLog(@"There was a problem resolving the alias for %@", tarFile);
CFURLRef tarFileURL = CFURLCreateFromFSRef( kCFAllocatorDefault, &tarFileTarget );
NSString* path = [(NSURL *)tarFileURL path];
CFRelease(tarFileURL);
[[NSWorkspace sharedWorkspace] selectFile:path inFileViewerRootedAtPath:nil];
}
- (void)buildArrayOfFilesToArchiveFromMostCommonPath
{
if (filePathsAfterMostCommonPath != nil)
[filePathsAfterMostCommonPath release];
filePathsAfterMostCommonPath = [NSMutableArray arrayWithCapacity:[filesToArchive count]];
int additionalFromIndexPosition = 1;
if ([mostCommonPath isEqualToString:@"/"])
additionalFromIndexPosition = 0;
int i = 0;
for (i; i < [filesToArchive count]; i++) {
[filePathsAfterMostCommonPath addObject:[[filesToArchive objectAtIndex:i] substringFromIndex:[mostCommonPath length] + additionalFromIndexPosition]];
NSLog(@"File: %@", [filePathsAfterMostCommonPath objectAtIndex:i]);
}
}
- (void)buildMostCommonPath
{
if (mostCommonPath != nil)
[mostCommonPath release];
mostCommonPath = [[filesToArchive objectAtIndex:0] stringByDeletingLastPathComponent];
int i = 1;
for (i; i < [filesToArchive count]; i++) {
if ([mostCommonPath isEqualToString:[[filesToArchive objectAtIndex:i] stringByDeletingLastPathComponent]])
continue;
NSArray* commonPathTokens = [mostCommonPath pathComponents];
NSArray* fileToArchivePathTokens = [[filesToArchive objectAtIndex:i] pathComponents];
int j = 1;
mostCommonPath = @"/";
int minLength = [commonPathTokens count];
if (minLength > [fileToArchivePathTokens count])
minLength = [fileToArchivePathTokens count];
for (j; j < minLength; j++) {
if (![[commonPathTokens objectAtIndex:j] isEqualToString:[fileToArchivePathTokens objectAtIndex:j]])
break;
mostCommonPath = [mostCommonPath stringByAppendingPathComponent:[commonPathTokens objectAtIndex:j]];
}
}
}
- (NSString*)getArchiveDestination
{
NSString* archiveDestination = [[NSUserDefaults standardUserDefaults] stringForKey:@"completedArchiveLocation"];
// An archive destination of "." means that the user wants the archive to go in the same directory as the files being dragged.
if (![archiveDestination isEqualToString:@"."])
return archiveDestination;
return mostCommonPath;
}
- (void)cleanUpAfterError
{
[archivePollingTimer invalidate];
[archivePollingTimer release];
[progressIndicator setHidden:YES];
[resultingArchiveLabel setStringValue:@"Cancelled"];
[resultingArchiveLabel setHidden:NO];
[archiveSizeLabel setHidden:YES];
[cancelArchiveButton setHidden:YES];
[showArchiveButton setHidden:YES];
[fileManager removeItemAtPath:tarFile error:nil];
}
#pragma mark Successful creation methods
- (void)tarTaskEnded:(NSNotification *)aNotification
{
if (![tarTask isRunning]) {
int status = [tarTask terminationStatus];
if (status != BZIP_RETURN_CODE_NORMAL) {
[self cleanUpAfterError];
return;
}
}
[archivePollingTimer invalidate];
[archivePollingTimer release];
NSString* bezippedDestination = [self getArchiveDestination];
NSString* bezippedFileLocation = [bezippedDestination stringByAppendingPathComponent:[[tarFile lastPathComponent] stringByDeletingPathExtension]];
// Check the size of the archive one more time to update the size label with the actual size of the archive.
[self checkTarFileSize:nil];
// Determine an available file name for the completed archive
NSString *nextAvailableFileName = bezippedFileLocation;
if ([fileManager fileExistsAtPath:bezippedFileLocation] == YES) {
int sequenceNumber = 2;
do {
nextAvailableFileName = [NSString stringWithFormat:[[[bezippedFileLocation lastPathComponent] stringByDeletingPathExtension] stringByAppendingString:@" %d.%@"], sequenceNumber, [bezippedFileLocation pathExtension]];
nextAvailableFileName = [[bezippedFileLocation stringByDeletingLastPathComponent] stringByAppendingPathComponent:nextAvailableFileName];
sequenceNumber++;
} while ([fileManager fileExistsAtPath:nextAvailableFileName]);
}
// Move the archive from the temp location to the "completed" location
NSError *error = nil;
BOOL success = [fileManager moveItemAtPath:tarFile toPath:nextAvailableFileName error:&error];
if (!success) {
[NSApp presentError:error];
[progressIndicator setHidden:YES];
[resultingArchiveLabel setStringValue:[error localizedDescription]];
[resultingArchiveLabel setHidden:NO];
[archiveSizeLabel setHidden:YES];
[cancelArchiveButton setHidden:YES];
[showArchiveButton setHidden:YES];
[fileManager removeItemAtPath:tarFile error:nil];
return;
}
// Update the GUI
[droppedFilesImageView setImage:[[NSWorkspace sharedWorkspace] iconForFile:nextAvailableFileName]];
[[progressIndicator animator] setDoubleValue:[progressIndicator maxValue]];
[[progressIndicator animator] setHidden:YES];
[resultingArchiveLabel setStringValue:[nextAvailableFileName lastPathComponent]];
[[resultingArchiveLabel animator] setHidden:NO];
[cancelArchiveButton setHidden:YES];
[showArchiveButton setHidden:NO];
// Change the tarFile name to the resulting file name for use in revealing the location of the archive.
tarFile = [nextAvailableFileName retain];
tarFileAliasHandle = NULL;
OSErr err = FSNewAliasFromPath(NULL, [nextAvailableFileName UTF8String], 0, &tarFileAliasHandle, false);
if (err != noErr)
NSLog(@"There was a problem creating the alias for file %@", nextAvailableFileName);
// Announce success!
[self announceSuccess:bezippedFileLocation];
}
- (void)announceSuccess:(NSString*)completedFilePath
{
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"useGrowl"])
[[MFGrowler sharedGrowler] growlForArchiveCompletion:completedFilePath];
}
#pragma mark Dealloc
- (void)dealloc
{
[fileManager release];
[tarFile release];
[super dealloc];
}
@end