mirror of
https://github.com/transmission/transmission.git
synced 2026-05-08 09:39:08 +01:00
#4998 Support Quick Look of .torrent files in the Finder
This commit is contained in:
Mitchell Livingston
@@ -0,0 +1,149 @@
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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[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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[renderedIcon release];
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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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//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, [[(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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NSURL * styleURL = [[NSBundle bundleWithIdentifier: @"org.m0k.transmission.QuickLookPlugin"] 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.isMultifile ? 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.isMultifile)
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{
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NSString * fileCountString;
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if (inf.fileCount == 1)
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fileCountString = NSLocalizedString(@"1 file", "quicklook file count");
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else
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fileCountString= [NSString stringWithFormat: NSLocalizedString(@"%@ files", "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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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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[htmlString appendString: @"<hr/>"];
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if (inf.webseedCount > 0)
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{
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[htmlString appendString: @"<br><br><table>"];
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NSString * headerTitleString = inf.webseedCount == 1 ? NSLocalizedString(@"1 Web Seed", "quicklook web seed header") : [NSString stringWithFormat: NSLocalizedString(@"%@ Web Seeds", "quicklook web seed header"), [NSString formattedUInteger: inf.webseedCount]];
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[htmlString appendFormat: @"<tr><th>%@</th></tr>", headerTitleString];
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for (int i = 0; i < inf.webseedCount; ++i)
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[htmlString appendFormat: @"<tr><td>%s<td></tr>", inf.webseeds[i]];
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[htmlString appendString:@"</table>"];
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}
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if (inf.trackerCount > 0)
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{
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[htmlString appendString: @"<br><br><table>"];
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NSString * headerTitleString = inf.trackerCount == 1 ? NSLocalizedString(@"1 Tracker", "quicklook tracker header") : [NSString stringWithFormat: NSLocalizedString(@"%@ Trackers", "quicklook tracker header"), [NSString formattedUInteger: inf.trackerCount]];
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[htmlString 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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[htmlString appendFormat: @"<tr><td>%s<td></tr>", inf.trackers[i].announce];
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[htmlString appendString:@"</table>"];
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}
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if (inf.isMultifile)
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{
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[htmlString appendString: @"<br><br><table>"];
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NSString * fileTitleString = inf.fileCount == 1 ? NSLocalizedString(@"1 File", "quicklook file header") : [NSString stringWithFormat: NSLocalizedString(@"%@ Files", "quicklook file header"), [NSString formattedUInteger: inf.fileCount]];
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[htmlString 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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[htmlString 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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[htmlString appendString:@"</table>"];
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}
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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, (CFDataRef)[htmlString dataUsingEncoding: NSUTF8StringEncoding], kUTTypeHTML, (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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@@ -0,0 +1,23 @@
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreServices/CoreServices.h>
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#include <QuickLook/QuickLook.h>
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OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize);
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void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail);
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/* -----------------------------------------------------------------------------
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Generate a thumbnail for file
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This function's job is to create thumbnail for designated file as fast as possible
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----------------------------------------------------------------------------- */
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OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize)
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{
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// To complete your generator please implement the function GenerateThumbnailForURL in GenerateThumbnailForURL.c
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return noErr;
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}
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void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail)
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{
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// Implement only if supported
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}
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@@ -0,0 +1,64 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>English</string>
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<key>CFBundleDocumentTypes</key>
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<array>
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<dict>
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<key>CFBundleTypeRole</key>
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<string>QLGenerator</string>
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<key>LSItemContentTypes</key>
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<array>
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<string>org.bittorrent.torrent</string>
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<string>com.bittorrent.torrent</string>
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</array>
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</dict>
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</array>
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<key>CFBundleExecutable</key>
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<string>${EXECUTABLE_NAME}</string>
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<key>CFBundleIconFile</key>
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<string></string>
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<key>CFBundleIdentifier</key>
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<string>org.m0k.transmission.${PRODUCT_NAME:rfc1034identifier}</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>${PRODUCT_NAME}</string>
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<key>CFBundleShortVersionString</key>
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<string>1</string>
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<key>CFBundleVersion</key>
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<string>1.0</string>
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<key>CFPlugInDynamicRegisterFunction</key>
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<string></string>
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<key>CFPlugInDynamicRegistration</key>
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<string>NO</string>
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<key>CFPlugInFactories</key>
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<dict>
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<key>FDF02409-6B04-4738-973D-1AADB4FC34D8</key>
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<string>QuickLookGeneratorPluginFactory</string>
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</dict>
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<key>CFPlugInTypes</key>
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<dict>
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<key>5E2D9680-5022-40FA-B806-43349622E5B9</key>
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<array>
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<string>FDF02409-6B04-4738-973D-1AADB4FC34D8</string>
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</array>
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</dict>
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<key>CFPlugInUnloadFunction</key>
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<string></string>
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<key>NSHumanReadableCopyright</key>
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<string>Copyright © 2012 The Transmission Project. All rights reserved.</string>
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<key>QLNeedsToBeRunInMainThread</key>
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<false/>
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<key>QLPreviewHeight</key>
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<integer>600</integer>
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<key>QLPreviewWidth</key>
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<integer>600</integer>
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<key>QLSupportsConcurrentRequests</key>
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<true/>
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<key>QLThumbnailMinimumSize</key>
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<real>17</real>
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</dict>
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</plist>
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@@ -0,0 +1,4 @@
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#ifdef __OBJC__
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#import <Cocoa/Cocoa.h>
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#import <QuickLook/QuickLook.h>
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#endif
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@@ -0,0 +1,2 @@
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/* Localized versions of Info.plist keys */
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@@ -0,0 +1,218 @@
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//==============================================================================
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//
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// DO NO MODIFY THE CONTENT OF THIS FILE
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//
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// This file contains the generic CFPlug-in code necessary for your generator
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// To complete your generator implement the function in GenerateThumbnailForURL/GeneratePreviewForURL.c
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//
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//==============================================================================
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreFoundation/CFPlugInCOM.h>
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#include <CoreServices/CoreServices.h>
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#include <QuickLook/QuickLook.h>
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// -----------------------------------------------------------------------------
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// constants
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// -----------------------------------------------------------------------------
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// Don't modify this line
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#define PLUGIN_ID "FDF02409-6B04-4738-973D-1AADB4FC34D8"
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//
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// Below is the generic glue code for all plug-ins.
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//
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// You should not have to modify this code aside from changing
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// names if you decide to change the names defined in the Info.plist
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//
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// -----------------------------------------------------------------------------
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// typedefs
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// -----------------------------------------------------------------------------
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// The thumbnail generation function to be implemented in GenerateThumbnailForURL.c
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OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize);
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void CancelThumbnailGeneration(void* thisInterface, QLThumbnailRequestRef thumbnail);
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// The preview generation function to be implemented in GeneratePreviewForURL.c
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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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// The layout for an instance of QuickLookGeneratorPlugIn
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typedef struct __QuickLookGeneratorPluginType
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{
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void *conduitInterface;
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CFUUIDRef factoryID;
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UInt32 refCount;
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} QuickLookGeneratorPluginType;
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// -----------------------------------------------------------------------------
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// prototypes
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// -----------------------------------------------------------------------------
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// Forward declaration for the IUnknown implementation.
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//
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QuickLookGeneratorPluginType *AllocQuickLookGeneratorPluginType(CFUUIDRef inFactoryID);
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void DeallocQuickLookGeneratorPluginType(QuickLookGeneratorPluginType *thisInstance);
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HRESULT QuickLookGeneratorQueryInterface(void *thisInstance,REFIID iid,LPVOID *ppv);
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void *QuickLookGeneratorPluginFactory(CFAllocatorRef allocator,CFUUIDRef typeID);
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ULONG QuickLookGeneratorPluginAddRef(void *thisInstance);
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ULONG QuickLookGeneratorPluginRelease(void *thisInstance);
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// -----------------------------------------------------------------------------
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// myInterfaceFtbl definition
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// -----------------------------------------------------------------------------
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// The QLGeneratorInterfaceStruct function table.
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//
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static QLGeneratorInterfaceStruct myInterfaceFtbl = {
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NULL,
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QuickLookGeneratorQueryInterface,
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QuickLookGeneratorPluginAddRef,
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QuickLookGeneratorPluginRelease,
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NULL,
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NULL,
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NULL,
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NULL
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};
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// -----------------------------------------------------------------------------
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// AllocQuickLookGeneratorPluginType
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// -----------------------------------------------------------------------------
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// Utility function that allocates a new instance.
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// You can do some initial setup for the generator here if you wish
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// like allocating globals etc...
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//
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QuickLookGeneratorPluginType *AllocQuickLookGeneratorPluginType(CFUUIDRef inFactoryID)
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{
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QuickLookGeneratorPluginType *theNewInstance;
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theNewInstance = (QuickLookGeneratorPluginType *)malloc(sizeof(QuickLookGeneratorPluginType));
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memset(theNewInstance,0,sizeof(QuickLookGeneratorPluginType));
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/* Point to the function table Malloc enough to store the stuff and copy the filler from myInterfaceFtbl over */
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theNewInstance->conduitInterface = malloc(sizeof(QLGeneratorInterfaceStruct));
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memcpy(theNewInstance->conduitInterface,&myInterfaceFtbl,sizeof(QLGeneratorInterfaceStruct));
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/* Retain and keep an open instance refcount for each factory. */
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theNewInstance->factoryID = CFRetain(inFactoryID);
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CFPlugInAddInstanceForFactory(inFactoryID);
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||||
|
||||
/* This function returns the IUnknown interface so set the refCount to one. */
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theNewInstance->refCount = 1;
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||||
return theNewInstance;
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// DeallocQuickLookGeneratorPluginType
|
||||
// -----------------------------------------------------------------------------
|
||||
// Utility function that deallocates the instance when
|
||||
// the refCount goes to zero.
|
||||
// In the current implementation generator interfaces are never deallocated
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// but implement this as this might change in the future
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||||
//
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||||
void DeallocQuickLookGeneratorPluginType(QuickLookGeneratorPluginType *thisInstance)
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||||
{
|
||||
CFUUIDRef theFactoryID;
|
||||
|
||||
theFactoryID = thisInstance->factoryID;
|
||||
/* Free the conduitInterface table up */
|
||||
free(thisInstance->conduitInterface);
|
||||
|
||||
/* Free the instance structure */
|
||||
free(thisInstance);
|
||||
if (theFactoryID){
|
||||
CFPlugInRemoveInstanceForFactory(theFactoryID);
|
||||
CFRelease(theFactoryID);
|
||||
}
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// QuickLookGeneratorQueryInterface
|
||||
// -----------------------------------------------------------------------------
|
||||
// Implementation of the IUnknown QueryInterface function.
|
||||
//
|
||||
HRESULT QuickLookGeneratorQueryInterface(void *thisInstance,REFIID iid,LPVOID *ppv)
|
||||
{
|
||||
CFUUIDRef interfaceID;
|
||||
|
||||
interfaceID = CFUUIDCreateFromUUIDBytes(kCFAllocatorDefault,iid);
|
||||
|
||||
if (CFEqual(interfaceID,kQLGeneratorCallbacksInterfaceID)){
|
||||
/* If the Right interface was requested, bump the ref count,
|
||||
* set the ppv parameter equal to the instance, and
|
||||
* return good status.
|
||||
*/
|
||||
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->GenerateThumbnailForURL = GenerateThumbnailForURL;
|
||||
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->CancelThumbnailGeneration = CancelThumbnailGeneration;
|
||||
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->GeneratePreviewForURL = GeneratePreviewForURL;
|
||||
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->CancelPreviewGeneration = CancelPreviewGeneration;
|
||||
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType*)thisInstance)->conduitInterface)->AddRef(thisInstance);
|
||||
*ppv = thisInstance;
|
||||
CFRelease(interfaceID);
|
||||
return S_OK;
|
||||
}else{
|
||||
/* Requested interface unknown, bail with error. */
|
||||
*ppv = NULL;
|
||||
CFRelease(interfaceID);
|
||||
return E_NOINTERFACE;
|
||||
}
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// QuickLookGeneratorPluginAddRef
|
||||
// -----------------------------------------------------------------------------
|
||||
// Implementation of reference counting for this type. Whenever an interface
|
||||
// is requested, bump the refCount for the instance. NOTE: returning the
|
||||
// refcount is a convention but is not required so don't rely on it.
|
||||
//
|
||||
ULONG QuickLookGeneratorPluginAddRef(void *thisInstance)
|
||||
{
|
||||
((QuickLookGeneratorPluginType *)thisInstance )->refCount += 1;
|
||||
return ((QuickLookGeneratorPluginType*) thisInstance)->refCount;
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// QuickLookGeneratorPluginRelease
|
||||
// -----------------------------------------------------------------------------
|
||||
// When an interface is released, decrement the refCount.
|
||||
// If the refCount goes to zero, deallocate the instance.
|
||||
//
|
||||
ULONG QuickLookGeneratorPluginRelease(void *thisInstance)
|
||||
{
|
||||
((QuickLookGeneratorPluginType*)thisInstance)->refCount -= 1;
|
||||
if (((QuickLookGeneratorPluginType*)thisInstance)->refCount == 0){
|
||||
DeallocQuickLookGeneratorPluginType((QuickLookGeneratorPluginType*)thisInstance );
|
||||
return 0;
|
||||
}else{
|
||||
return ((QuickLookGeneratorPluginType*) thisInstance )->refCount;
|
||||
}
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// QuickLookGeneratorPluginFactory
|
||||
// -----------------------------------------------------------------------------
|
||||
void *QuickLookGeneratorPluginFactory(CFAllocatorRef allocator,CFUUIDRef typeID)
|
||||
{
|
||||
QuickLookGeneratorPluginType *result;
|
||||
CFUUIDRef uuid;
|
||||
|
||||
/* If correct type is being requested, allocate an
|
||||
* instance of kQLGeneratorTypeID and return the IUnknown interface.
|
||||
*/
|
||||
if (CFEqual(typeID,kQLGeneratorTypeID)){
|
||||
uuid = CFUUIDCreateFromString(kCFAllocatorDefault,CFSTR(PLUGIN_ID));
|
||||
result = AllocQuickLookGeneratorPluginType(uuid);
|
||||
CFRelease(uuid);
|
||||
return result;
|
||||
}
|
||||
/* If the requested type is incorrect, return NULL. */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,22 @@
|
||||
html
|
||||
{
|
||||
color: rgb(0,0,0);
|
||||
font-family:'Lucida Grande';
|
||||
text-align:left;
|
||||
}
|
||||
th
|
||||
{
|
||||
color: rgb(50,50,50);
|
||||
font-weight: bold;
|
||||
text-align:left;
|
||||
}
|
||||
td
|
||||
{
|
||||
color: rgb(80,80,80);
|
||||
text-align:left;
|
||||
}
|
||||
img.icon
|
||||
{
|
||||
vertical-align:text-bottom;
|
||||
margin-right:8px;
|
||||
}
|
||||
Reference in New Issue
Block a user