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transmission/macosx/TrackerCell.m

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/******************************************************************************
* $Id$
*
* Copyright (c) 2009-2010 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "TrackerCell.h"
#import "NSApplicationAdditions.h"
#import "TrackerNode.h"
#define PADDING_HORIZONAL 3.0
#define PADDING_STATUS_HORIZONAL 3.0
#define ICON_SIZE 14.0
#define PADDING_BETWEEN_ICON_AND_NAME 4.0
#define PADDING_ABOVE_ICON 1.0
#define PADDING_ABOVE_NAME 2.0
#define PADDING_BETWEEN_LINES 1.0
#define PADDING_BETWEEN_LINES_ON_SAME_LINE 4.0
#define COUNT_WIDTH 40.0
@interface TrackerCell (Private)
- (NSImage *) favIcon;
- (void) loadTrackerIcon: (NSString *) baseAddress;
- (NSRect) imageRectForBounds: (NSRect) bounds;
- (NSRect) rectForNameWithString: (NSAttributedString *) string inBounds: (NSRect) bounds;
- (NSRect) rectForCountWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect inBounds: (NSRect) bounds;
- (NSRect) rectForCountLabelWithString: (NSAttributedString *) string withRightRect: (NSRect) rightRect inBounds: (NSRect) bounds;
- (NSRect) rectForStatusWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect withRightRect: (NSRect) rightRect
inBounds: (NSRect) bounds;
- (NSAttributedString *) attributedName;
- (NSAttributedString *) attributedStatusWithString: (NSString *) statusString;
- (NSAttributedString *) attributedCount: (NSInteger) count;
@end
@implementation TrackerCell
//make the favicons accessible to all tracker cells
#warning make NSCache when 10.6-only
NSMutableDictionary * fTrackerIconCache;
NSMutableSet * fTrackerIconLoading;
+ (void) initialize
{
fTrackerIconCache = [[NSMutableDictionary alloc] init];
fTrackerIconLoading = [[NSMutableSet alloc] init];
}
- (id) init
{
if ((self = [super init]))
{
NSMutableParagraphStyle * paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
[paragraphStyle setLineBreakMode: NSLineBreakByTruncatingTail];
fNameAttributes = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
[NSFont messageFontOfSize: 11.0], NSFontAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
fStatusAttributes = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
[NSFont messageFontOfSize: 9.0], NSFontAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
[paragraphStyle release];
}
return self;
}
- (void) dealloc
{
[fNameAttributes release];
[fStatusAttributes release];
[super dealloc];
}
- (id) copyWithZone: (NSZone *) zone
{
TrackerCell * copy = [super copyWithZone: zone];
copy->fNameAttributes = [fNameAttributes retain];
copy->fStatusAttributes = [fStatusAttributes retain];
return copy;
}
- (void) drawWithFrame: (NSRect) cellFrame inView: (NSView *) controlView
{
//icon
if ([NSApp isOnSnowLeopardOrBetter])
[[self favIcon] drawInRect: [self imageRectForBounds: cellFrame] fromRect: NSZeroRect operation: NSCompositeSourceOver
fraction: 1.0 respectFlipped: YES hints: nil];
else
{
NSImage * icon = [self favIcon];
[icon setFlipped: YES];
[icon drawInRect: [self imageRectForBounds: cellFrame] fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0];
}
//set table colors
NSColor * nameColor, * statusColor;
if ([self backgroundStyle] == NSBackgroundStyleDark)
nameColor = statusColor = [NSColor whiteColor];
else
{
nameColor = [NSColor controlTextColor];
statusColor = [NSColor darkGrayColor];
}
[fNameAttributes setObject: nameColor forKey: NSForegroundColorAttributeName];
[fStatusAttributes setObject: statusColor forKey: NSForegroundColorAttributeName];
TrackerNode * node = (TrackerNode *)[self objectValue];
//name
NSAttributedString * nameString = [self attributedName];
const NSRect nameRect = [self rectForNameWithString: nameString inBounds: cellFrame];
[nameString drawInRect: nameRect];
//count strings
NSAttributedString * seederString = [self attributedCount: [node totalSeeders]];
const NSRect seederRect = [self rectForCountWithString: seederString withAboveRect: nameRect inBounds: cellFrame];
[seederString drawInRect: seederRect];
NSAttributedString * leecherString = [self attributedCount: [node totalLeechers]];
const NSRect leecherRect = [self rectForCountWithString: leecherString withAboveRect: seederRect inBounds: cellFrame];
[leecherString drawInRect: leecherRect];
NSAttributedString * downloadedString = [self attributedCount: [node totalDownloaded]];
const NSRect downloadedRect = [self rectForCountWithString: downloadedString withAboveRect: leecherRect inBounds: cellFrame];
[downloadedString drawInRect: downloadedRect];
//count label strings
NSString * seederLabelBaseString = [NSLocalizedString(@"Seeders", "tracker peer stat") stringByAppendingFormat: @": "];
NSAttributedString * seederLabelString = [self attributedStatusWithString: seederLabelBaseString];
const NSRect seederLabelRect = [self rectForCountLabelWithString: seederLabelString withRightRect: seederRect
inBounds: cellFrame];
[seederLabelString drawInRect: seederLabelRect];
NSString * leecherLabelBaseString = [NSLocalizedString(@"Leechers", "tracker peer stat") stringByAppendingFormat: @": "];
NSAttributedString * leecherLabelString = [self attributedStatusWithString: leecherLabelBaseString];
const NSRect leecherLabelRect = [self rectForCountLabelWithString: leecherLabelString withRightRect: leecherRect
inBounds: cellFrame];
[leecherLabelString drawInRect: leecherLabelRect];
NSString * downloadedLabelBaseString = [NSLocalizedString(@"Downloaded", "tracker peer stat") stringByAppendingFormat: @": "];
NSAttributedString * downloadedLabelString = [self attributedStatusWithString: downloadedLabelBaseString];
const NSRect downloadedLabelRect = [self rectForCountLabelWithString: downloadedLabelString withRightRect: downloadedRect
inBounds: cellFrame];
[downloadedLabelString drawInRect: downloadedLabelRect];
//status strings
NSAttributedString * lastAnnounceString = [self attributedStatusWithString: [node lastAnnounceStatusString]];
const NSRect lastAnnounceRect = [self rectForStatusWithString: lastAnnounceString withAboveRect: nameRect
withRightRect: seederLabelRect inBounds: cellFrame];
[lastAnnounceString drawInRect: lastAnnounceRect];
NSAttributedString * nextAnnounceString = [self attributedStatusWithString: [node nextAnnounceStatusString]];
const NSRect nextAnnounceRect = [self rectForStatusWithString: nextAnnounceString withAboveRect: lastAnnounceRect
withRightRect: leecherLabelRect inBounds: cellFrame];
[nextAnnounceString drawInRect: nextAnnounceRect];
NSAttributedString * lastScrapeString = [self attributedStatusWithString: [node lastScrapeStatusString]];
const NSRect lastScrapeRect = [self rectForStatusWithString: lastScrapeString withAboveRect: nextAnnounceRect
withRightRect: downloadedLabelRect inBounds: cellFrame];
[lastScrapeString drawInRect: lastScrapeRect];
}
@end
@implementation TrackerCell (Private)
- (NSImage *) favIcon
{
NSURL * address = [NSURL URLWithString: [(TrackerNode *)[self objectValue] fullAnnounceAddress]];
NSArray * hostComponents = [[address host] componentsSeparatedByString: @"."];
//let's try getting the tracker address without using any subdomains
NSString * baseAddress;
if ([hostComponents count] > 1)
baseAddress = [NSString stringWithFormat: @"http://%@.%@",
[hostComponents objectAtIndex: [hostComponents count] - 2], [hostComponents lastObject]];
else
baseAddress = [NSString stringWithFormat: @"http://%@", [hostComponents lastObject]];
id icon = [fTrackerIconCache objectForKey: baseAddress];
if (!icon && ![fTrackerIconLoading containsObject: baseAddress])
{
[fTrackerIconLoading addObject: baseAddress];
[NSThread detachNewThreadSelector: @selector(loadTrackerIcon:) toTarget: self withObject: baseAddress];
}
return (icon && icon != [NSNull null]) ? icon : [NSImage imageNamed: @"FavIcon.png"];
}
- (void) loadTrackerIcon: (NSString *) baseAddress
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSURL * favIconUrl = [NSURL URLWithString: [baseAddress stringByAppendingPathComponent: @"favicon.ico"]];
NSURLRequest * request = [NSURLRequest requestWithURL: favIconUrl cachePolicy: NSURLRequestUseProtocolCachePolicy
timeoutInterval: 30.0];
NSData * iconData = [NSURLConnection sendSynchronousRequest: request returningResponse: NULL error: NULL];
NSImage * icon = [[NSImage alloc] initWithData: iconData];
if (icon)
{
[fTrackerIconCache setObject: icon forKey: baseAddress];
[icon release];
}
else
[fTrackerIconCache setObject: [NSNull null] forKey: baseAddress];
[fTrackerIconLoading removeObject: baseAddress];
[pool drain];
}
- (NSRect) imageRectForBounds: (NSRect) bounds
{
return NSMakeRect(NSMinX(bounds) + PADDING_HORIZONAL, NSMinY(bounds) + PADDING_ABOVE_ICON, ICON_SIZE, ICON_SIZE);
}
- (NSRect) rectForNameWithString: (NSAttributedString *) string inBounds: (NSRect) bounds
{
NSRect result;
result.origin.x = NSMinX(bounds) + PADDING_HORIZONAL + ICON_SIZE + PADDING_BETWEEN_ICON_AND_NAME;
result.origin.y = NSMinY(bounds) + PADDING_ABOVE_NAME;
result.size.height = [string size].height;
result.size.width = NSMaxX(bounds) - NSMinX(result) - PADDING_HORIZONAL;
return result;
}
- (NSRect) rectForCountWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect inBounds: (NSRect) bounds
{
return NSMakeRect(NSMaxX(bounds) - PADDING_HORIZONAL - COUNT_WIDTH,
NSMaxY(aboveRect) + PADDING_BETWEEN_LINES,
COUNT_WIDTH, [string size].height);
}
- (NSRect) rectForCountLabelWithString: (NSAttributedString *) string withRightRect: (NSRect) rightRect inBounds: (NSRect) bounds
{
NSRect result = rightRect;
result.size.width = [string size].width;
result.origin.x -= NSWidth(result);
return result;
}
- (NSRect) rectForStatusWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect withRightRect: (NSRect) rightRect
inBounds: (NSRect) bounds
{
NSRect result;
result.origin.x = NSMinX(bounds) + PADDING_STATUS_HORIZONAL;
result.origin.y = NSMaxY(aboveRect) + PADDING_BETWEEN_LINES;
result.size.height = [string size].height;
result.size.width = NSMinX(rightRect) - PADDING_BETWEEN_LINES_ON_SAME_LINE - NSMinX(result);
return result;
}
- (NSAttributedString *) attributedName
{
NSString * name = [(TrackerNode *)[self objectValue] host];
return [[[NSAttributedString alloc] initWithString: name attributes: fNameAttributes] autorelease];
}
- (NSAttributedString *) attributedStatusWithString: (NSString *) statusString
{
return [[[NSAttributedString alloc] initWithString: statusString attributes: fStatusAttributes] autorelease];
}
- (NSAttributedString *) attributedCount: (NSInteger) count
{
NSString * countString = count != -1 ? [NSString stringWithFormat: @"%d", count] : NSLocalizedString(@"N/A", "tracker peer stat");
return [[[NSAttributedString alloc] initWithString: countString attributes: fStatusAttributes] autorelease];
}
@end
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