182 lines
8.8 KiB
Objective-C
182 lines
8.8 KiB
Objective-C
#import <QuickLook/QuickLook.h>
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#import "transmission.h"
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#import "NSStringAdditions.h"
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OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options);
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void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview);
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NSString * generateIconData(NSString * fileExtension, NSUInteger width, NSMutableDictionary * allImgProps)
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{
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NSString * rawFilename = ![fileExtension isEqualToString: @""] ? fileExtension : @"blank_file_name_transmission";
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NSString * iconFileName = [NSString stringWithFormat: @"%ldx%@.tiff", width, rawFilename]; //we need to do this once per file extension, per size
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if (![allImgProps objectForKey: iconFileName])
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{
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NSImage * icon = [[NSWorkspace sharedWorkspace] iconForFileType: fileExtension];
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const NSRect iconFrame = NSMakeRect(0.0, 0.0, width, width);
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NSImage * renderedIcon = [[NSImage alloc] initWithSize: iconFrame.size];
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[renderedIcon lockFocus];
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[icon drawInRect: iconFrame fromRect: NSZeroRect operation: NSCompositeCopy fraction: 1.0];
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[renderedIcon unlockFocus];
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NSData * iconData = [renderedIcon TIFFRepresentation];
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NSDictionary * imgProps = @{
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(NSString *)kQLPreviewPropertyMIMETypeKey : @"image/png",
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(NSString *)kQLPreviewPropertyAttachmentDataKey : iconData };
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[allImgProps setObject: imgProps forKey: iconFileName];
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}
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return [@"cid:" stringByAppendingString: iconFileName];
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}
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OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
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{
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// Before proceeding make sure the user didn't cancel the request
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if (QLPreviewRequestIsCancelled(preview))
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return noErr;
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//we need this call to ensure NSApp is initialized (not done automatically for plugins)
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[NSApplication sharedApplication];
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//try to parse the torrent file
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tr_info inf;
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tr_ctor * ctor = tr_ctorNew(NULL);
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tr_ctorSetMetainfoFromFile(ctor, [[(__bridge NSURL *)url path] UTF8String]);
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const int err = tr_torrentParse(ctor, &inf);
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tr_ctorFree(ctor);
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if (err)
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return noErr;
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NSBundle * bundle = [NSBundle bundleWithIdentifier: @"org.m0k.transmission.QuickLookPlugin"];
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NSURL * styleURL = [bundle URLForResource: @"style" withExtension: @"css"];
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NSString * styleContents = [NSString stringWithContentsOfURL: styleURL encoding: NSUTF8StringEncoding error: NULL];
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NSMutableString * htmlString = [NSMutableString string];
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[htmlString appendFormat: @"<html><style type=\"text/css\">%@</style><body>", styleContents];
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NSMutableDictionary * allImgProps = [NSMutableDictionary dictionary];
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NSString * name = [NSString stringWithUTF8String: inf.name];
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NSString * fileTypeString = inf.isFolder ? NSFileTypeForHFSTypeCode(kGenericFolderIcon) : [name pathExtension];
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const NSUInteger width = 32;
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[htmlString appendFormat: @"<h2><img class=\"icon\" src=\"%@\" width=\"%ld\" height=\"%ld\" />%@</h2>", generateIconData(fileTypeString, width, allImgProps), width, width, name];
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NSString * fileSizeString = [NSString stringForFileSize: inf.totalSize];
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if (inf.isFolder)
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{
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NSString * fileCountString;
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if (inf.fileCount == 1)
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fileCountString = NSLocalizedStringFromTableInBundle(@"1 file", nil, bundle, "quicklook file count");
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else
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fileCountString= [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"%@ files", nil, bundle, "quicklook file count"), [NSString formattedUInteger: inf.fileCount]];
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fileSizeString = [NSString stringWithFormat: @"%@, %@", fileCountString, fileSizeString];
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}
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[htmlString appendFormat: @"<p>%@</p>", fileSizeString];
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NSString * dateCreatedString = inf.dateCreated > 0 ? [NSDateFormatter localizedStringFromDate: [NSDate dateWithTimeIntervalSince1970: inf.dateCreated] dateStyle: NSDateFormatterLongStyle timeStyle: NSDateFormatterShortStyle] : nil;
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NSString * creatorString = inf.creator ? [NSString stringWithUTF8String: inf.creator] : nil;
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if ([creatorString isEqualToString: @""]) creatorString = nil;
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NSString * creationString = nil;
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if (dateCreatedString && creatorString)
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creationString = [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"Created on %@ with %@", nil, bundle, "quicklook creation info"), dateCreatedString, creatorString];
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else if (dateCreatedString)
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creationString = [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"Created on %@", nil, bundle, "quicklook creation info"), dateCreatedString];
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else if (creatorString)
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creationString = [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"Created with %@", nil, bundle, "quicklook creation info"), creatorString];
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if (creationString)
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[htmlString appendFormat: @"<p>%@</p>", creationString];
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if (inf.comment)
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{
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NSString * comment = [NSString stringWithUTF8String: inf.comment];
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if (![comment isEqualToString: @""])
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[htmlString appendFormat: @"<p>%@</p>", comment];
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}
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NSMutableArray * lists = [NSMutableArray array];
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if (inf.webseedCount > 0)
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{
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NSMutableString * listSection = [NSMutableString string];
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[listSection appendString: @"<table>"];
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NSString * headerTitleString = inf.webseedCount == 1 ? NSLocalizedStringFromTableInBundle(@"1 Web Seed", nil, bundle, "quicklook web seed header") : [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"%@ Web Seeds", nil, bundle, "quicklook web seed header"), [NSString formattedUInteger: inf.webseedCount]];
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[listSection appendFormat: @"<tr><th>%@</th></tr>", headerTitleString];
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for (int i = 0; i < inf.webseedCount; ++i)
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[listSection appendFormat: @"<tr><td>%s<td></tr>", inf.webseeds[i]];
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[listSection appendString:@"</table>"];
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[lists addObject: listSection];
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}
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if (inf.trackerCount > 0)
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{
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NSMutableString * listSection = [NSMutableString string];
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[listSection appendString: @"<table>"];
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NSString * headerTitleString = inf.trackerCount == 1 ? NSLocalizedStringFromTableInBundle(@"1 Tracker", nil, bundle, "quicklook tracker header") : [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"%@ Trackers", nil, bundle, "quicklook tracker header"), [NSString formattedUInteger: inf.trackerCount]];
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[listSection appendFormat: @"<tr><th>%@</th></tr>", headerTitleString];
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#warning handle tiers?
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for (int i = 0; i < inf.trackerCount; ++i)
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[listSection appendFormat: @"<tr><td>%s<td></tr>", inf.trackers[i].announce];
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[listSection appendString:@"</table>"];
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[lists addObject: listSection];
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}
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if (inf.isFolder)
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{
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NSMutableString * listSection = [NSMutableString string];
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[listSection appendString: @"<table>"];
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NSString * fileTitleString = inf.fileCount == 1 ? NSLocalizedStringFromTableInBundle(@"1 File", nil, bundle, "quicklook file header") : [NSString stringWithFormat: NSLocalizedStringFromTableInBundle(@"%@ Files", nil, bundle, "quicklook file header"), [NSString formattedUInteger: inf.fileCount]];
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[listSection appendFormat: @"<tr><th>%@</th></tr>", fileTitleString];
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#warning display size?
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#warning display folders?
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for (int i = 0; i < inf.fileCount; ++i)
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{
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NSString * fullFilePath = [NSString stringWithUTF8String: inf.files[i].name];
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NSCAssert([fullFilePath hasPrefix: [name stringByAppendingString: @"/"]], @"Expected file path %@ to begin with %@/", fullFilePath, name);
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NSString * shortenedFilePath = [fullFilePath substringFromIndex: [name length]+1];
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const NSUInteger width = 16;
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[listSection appendFormat: @"<tr><td><img class=\"icon\" src=\"%@\" width=\"%ld\" height=\"%ld\" />%@<td></tr>", generateIconData([shortenedFilePath pathExtension], width, allImgProps), width, width, shortenedFilePath];
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}
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[listSection appendString:@"</table>"];
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[lists addObject: listSection];
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}
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if ([lists count] > 0)
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[htmlString appendFormat: @"<hr/><br>%@", [lists componentsJoinedByString: @"<br>"]];
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[htmlString appendString: @"</body></html>"];
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tr_metainfoFree(&inf);
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NSDictionary * props = @{ (NSString *)kQLPreviewPropertyTextEncodingNameKey : @"UTF-8",
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(NSString *)kQLPreviewPropertyMIMETypeKey : @"text/html",
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(NSString *)kQLPreviewPropertyAttachmentsKey : allImgProps };
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QLPreviewRequestSetDataRepresentation(preview, (__bridge CFDataRef)[htmlString dataUsingEncoding: NSUTF8StringEncoding], kUTTypeHTML, (__bridge CFDictionaryRef)props);
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return noErr;
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}
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void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview)
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{
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// Implement only if supported
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}
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