source: trunk/macosx/TrackerCell.m @ 12991

Last change on this file since 12991 was 12991, checked in by livings124, 11 years ago

Silence some new warnings with LLVM 3.0/Xcode 4.2
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1/******************************************************************************
2 * $Id: TrackerCell.m 12991 2011-10-18 02:30:22Z livings124 $
3 *
4 * Copyright (c) 2009-2011 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#import "TrackerCell.h"
26#import "TrackerNode.h"
27
28#import "transmission.h" // required by utils.h
29#import "utils.h" //tr_addressIsIP()
30
31#define PADDING_HORIZONAL 3.0
32#define PADDING_STATUS_HORIZONAL 3.0
33#define ICON_SIZE 16.0
34#define PADDING_BETWEEN_ICON_AND_NAME 4.0
35#define PADDING_ABOVE_ICON 1.0
36#define PADDING_ABOVE_NAME 1.0
37#define PADDING_BETWEEN_LINES 1.0
38#define PADDING_BETWEEN_LINES_ON_SAME_LINE 4.0
39#define COUNT_WIDTH 40.0
40
41@interface TrackerCell (Private)
42
43- (NSImage *) favIcon;
44- (void) loadTrackerIcon: (NSString *) baseAddress;
45
46- (NSRect) imageRectForBounds: (NSRect) bounds;
47- (NSRect) rectForNameWithString: (NSAttributedString *) string inBounds: (NSRect) bounds;
48- (NSRect) rectForCountWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect inBounds: (NSRect) bounds;
49- (NSRect) rectForCountLabelWithString: (NSAttributedString *) string withRightRect: (NSRect) rightRect inBounds: (NSRect) bounds;
50- (NSRect) rectForStatusWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect withRightRect: (NSRect) rightRect
51            inBounds: (NSRect) bounds;
52
53- (NSAttributedString *) attributedName;
54- (NSAttributedString *) attributedStatusWithString: (NSString *) statusString;
55- (NSAttributedString *) attributedCount: (NSInteger) count;
56
57@end
58
59@implementation TrackerCell
60
61//make the favicons accessible to all tracker cells
62NSCache * fTrackerIconCache;
63NSMutableSet * fTrackerIconLoading;
64
65+ (void) initialize
66{
67    fTrackerIconCache = [[NSCache alloc] init];
68    fTrackerIconLoading = [[NSMutableSet alloc] init];
69}
70
71- (id) init
72{
73    if ((self = [super init]))
74    {
75        NSMutableParagraphStyle * paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
76        [paragraphStyle setLineBreakMode: NSLineBreakByTruncatingTail];
77       
78        fNameAttributes = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
79                            [NSFont messageFontOfSize: 12.0], NSFontAttributeName,
80                            paragraphStyle, NSParagraphStyleAttributeName, nil];
81       
82        fStatusAttributes = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
83                                [NSFont messageFontOfSize: 9.0], NSFontAttributeName,
84                                paragraphStyle, NSParagraphStyleAttributeName, nil];
85       
86        [paragraphStyle release];
87    }
88    return self;
89}
90
91- (void) dealloc
92{
93    [fNameAttributes release];
94    [fStatusAttributes release];
95   
96    [super dealloc];
97}
98
99- (id) copyWithZone: (NSZone *) zone
100{
101    TrackerCell * copy = [super copyWithZone: zone];
102   
103    copy->fNameAttributes = [fNameAttributes retain];
104    copy->fStatusAttributes = [fStatusAttributes retain];
105   
106    return copy;
107}
108
109- (void) drawWithFrame: (NSRect) cellFrame inView: (NSView *) controlView
110{
111    //icon
112    [[self favIcon] drawInRect: [self imageRectForBounds: cellFrame] fromRect: NSZeroRect operation: NSCompositeSourceOver fraction: 1.0 respectFlipped: YES hints: nil];
113
114    //set table colors
115    NSColor * nameColor, * statusColor;
116    if ([self backgroundStyle] == NSBackgroundStyleDark)
117        nameColor = statusColor = [NSColor whiteColor];
118    else
119    {
120        nameColor = [NSColor controlTextColor];
121        statusColor = [NSColor darkGrayColor];
122    }
123   
124    [fNameAttributes setObject: nameColor forKey: NSForegroundColorAttributeName];
125    [fStatusAttributes setObject: statusColor forKey: NSForegroundColorAttributeName];
126   
127    TrackerNode * node = (TrackerNode *)[self objectValue];
128   
129    //name
130    NSAttributedString * nameString = [self attributedName];
131    const NSRect nameRect = [self rectForNameWithString: nameString inBounds: cellFrame];
132    [nameString drawInRect: nameRect];
133   
134    //count strings
135    NSAttributedString * seederString = [self attributedCount: [node totalSeeders]];
136    const NSRect seederRect = [self rectForCountWithString: seederString withAboveRect: nameRect inBounds: cellFrame];
137    [seederString drawInRect: seederRect];
138   
139    NSAttributedString * leecherString = [self attributedCount: [node totalLeechers]];
140    const NSRect leecherRect = [self rectForCountWithString: leecherString withAboveRect: seederRect inBounds: cellFrame];
141    [leecherString drawInRect: leecherRect];
142   
143    NSAttributedString * downloadedString = [self attributedCount: [node totalDownloaded]];
144    const NSRect downloadedRect = [self rectForCountWithString: downloadedString withAboveRect: leecherRect inBounds: cellFrame];
145    [downloadedString drawInRect: downloadedRect];
146   
147    //count label strings
148    NSString * seederLabelBaseString = [NSLocalizedString(@"Seeders", "tracker peer stat") stringByAppendingFormat: @": "];
149    NSAttributedString * seederLabelString = [self attributedStatusWithString: seederLabelBaseString];
150    const NSRect seederLabelRect = [self rectForCountLabelWithString: seederLabelString withRightRect: seederRect
151                                        inBounds: cellFrame];
152    [seederLabelString drawInRect: seederLabelRect];
153   
154    NSString * leecherLabelBaseString = [NSLocalizedString(@"Leechers", "tracker peer stat") stringByAppendingFormat: @": "];
155    NSAttributedString * leecherLabelString = [self attributedStatusWithString: leecherLabelBaseString];
156    const NSRect leecherLabelRect = [self rectForCountLabelWithString: leecherLabelString withRightRect: leecherRect
157                                        inBounds: cellFrame];
158    [leecherLabelString drawInRect: leecherLabelRect];
159   
160    NSString * downloadedLabelBaseString = [NSLocalizedString(@"Downloaded", "tracker peer stat") stringByAppendingFormat: @": "];
161    NSAttributedString * downloadedLabelString = [self attributedStatusWithString: downloadedLabelBaseString];
162    const NSRect downloadedLabelRect = [self rectForCountLabelWithString: downloadedLabelString withRightRect: downloadedRect
163                                        inBounds: cellFrame];
164    [downloadedLabelString drawInRect: downloadedLabelRect];
165   
166    //status strings
167    NSAttributedString * lastAnnounceString = [self attributedStatusWithString: [node lastAnnounceStatusString]];
168    const NSRect lastAnnounceRect = [self rectForStatusWithString: lastAnnounceString withAboveRect: nameRect
169                                        withRightRect: seederLabelRect inBounds: cellFrame];
170    [lastAnnounceString drawInRect: lastAnnounceRect];
171   
172    NSAttributedString * nextAnnounceString = [self attributedStatusWithString: [node nextAnnounceStatusString]];
173    const NSRect nextAnnounceRect = [self rectForStatusWithString: nextAnnounceString withAboveRect: lastAnnounceRect
174                                        withRightRect: leecherLabelRect inBounds: cellFrame];
175    [nextAnnounceString drawInRect: nextAnnounceRect];
176   
177    NSAttributedString * lastScrapeString = [self attributedStatusWithString: [node lastScrapeStatusString]];
178    const NSRect lastScrapeRect = [self rectForStatusWithString: lastScrapeString withAboveRect: nextAnnounceRect
179                                    withRightRect: downloadedLabelRect inBounds: cellFrame];
180    [lastScrapeString drawInRect: lastScrapeRect];
181}
182
183@end
184
185@implementation TrackerCell (Private)
186
187- (NSImage *) favIcon
188{
189    id icon = nil;
190    NSURL * address = [NSURL URLWithString: [(TrackerNode *)[self objectValue] fullAnnounceAddress]];
191    NSString * host;
192    if ((host = [address host]))
193    {
194        //don't try to parse ip address
195        const BOOL separable = !tr_addressIsIP([host UTF8String]);
196       
197        NSArray * hostComponents = separable ? [host componentsSeparatedByString: @"."] : nil;
198       
199        //let's try getting the tracker address without using any subdomains
200        NSString * baseAddress;
201        if (separable && [hostComponents count] > 1)
202            baseAddress = [NSString stringWithFormat: @"http://%@.%@",
203                            [hostComponents objectAtIndex: [hostComponents count]-2], [hostComponents lastObject]];
204        else
205            baseAddress = [NSString stringWithFormat: @"http://%@", host];
206       
207        icon = [fTrackerIconCache objectForKey: baseAddress];
208        if (!icon && ![fTrackerIconLoading containsObject: baseAddress])
209        {
210            [fTrackerIconLoading addObject: baseAddress];
211            [NSThread detachNewThreadSelector: @selector(loadTrackerIcon:) toTarget: self withObject: baseAddress];
212        }
213    }
214       
215    return (icon && icon != [NSNull null]) ? icon : [NSImage imageNamed: @"FavIcon.png"];
216}
217
218#warning better favicon detection
219- (void) loadTrackerIcon: (NSString *) baseAddress
220{
221    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
222   
223    //try favicon.png
224    NSURL * favIconUrl = [NSURL URLWithString: [baseAddress stringByAppendingPathComponent: @"favicon.png"]];
225   
226    NSURLRequest * request = [NSURLRequest requestWithURL: favIconUrl cachePolicy: NSURLRequestUseProtocolCachePolicy
227                                timeoutInterval: 30.0];
228    NSData * iconData = [NSURLConnection sendSynchronousRequest: request returningResponse: NULL error: NULL];
229    NSImage * icon = [[NSImage alloc] initWithData: iconData];
230   
231    //try favicon.ico
232    if (!icon)
233    {
234        favIconUrl = [NSURL URLWithString: [baseAddress stringByAppendingPathComponent: @"favicon.ico"]];
235       
236        request = [NSURLRequest requestWithURL: favIconUrl cachePolicy: NSURLRequestUseProtocolCachePolicy
237                    timeoutInterval: 30.0];
238        iconData = [NSURLConnection sendSynchronousRequest: request returningResponse: NULL error: NULL];
239        icon = [[NSImage alloc] initWithData: iconData];
240    }
241   
242    if (icon)
243    {
244        [fTrackerIconCache setObject: icon forKey: baseAddress];
245        [icon release];
246       
247        [[self controlView] setNeedsDisplay: YES];
248    }
249    else
250        [fTrackerIconCache setObject: [NSNull null] forKey: baseAddress];
251   
252    [fTrackerIconLoading removeObject: baseAddress];
253
254    [pool drain];
255}
256
257- (NSRect) imageRectForBounds: (NSRect) bounds
258{
259    return NSMakeRect(NSMinX(bounds) + PADDING_HORIZONAL, NSMinY(bounds) + PADDING_ABOVE_ICON, ICON_SIZE, ICON_SIZE);
260}
261
262- (NSRect) rectForNameWithString: (NSAttributedString *) string inBounds: (NSRect) bounds
263{
264    NSRect result;
265    result.origin.x = NSMinX(bounds) + PADDING_HORIZONAL + ICON_SIZE + PADDING_BETWEEN_ICON_AND_NAME;
266    result.origin.y = NSMinY(bounds) + PADDING_ABOVE_NAME;
267       
268    result.size.height = [string size].height;
269    result.size.width = NSMaxX(bounds) - NSMinX(result) - PADDING_HORIZONAL;
270   
271    return result;
272}
273
274- (NSRect) rectForCountWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect inBounds: (NSRect) bounds
275{
276    return NSMakeRect(NSMaxX(bounds) - PADDING_HORIZONAL - COUNT_WIDTH,
277                        NSMaxY(aboveRect) + PADDING_BETWEEN_LINES,
278                        COUNT_WIDTH, [string size].height);
279}
280
281- (NSRect) rectForCountLabelWithString: (NSAttributedString *) string withRightRect: (NSRect) rightRect inBounds: (NSRect) bounds
282{
283    NSRect result = rightRect;
284    result.size.width = [string size].width;
285    result.origin.x -= NSWidth(result);
286   
287    return result;
288}
289
290- (NSRect) rectForStatusWithString: (NSAttributedString *) string withAboveRect: (NSRect) aboveRect withRightRect: (NSRect) rightRect
291            inBounds: (NSRect) bounds
292{
293    NSRect result;
294    result.origin.x = NSMinX(bounds) + PADDING_STATUS_HORIZONAL;
295    result.origin.y = NSMaxY(aboveRect) + PADDING_BETWEEN_LINES;
296   
297    result.size.height = [string size].height;
298    result.size.width = NSMinX(rightRect) - PADDING_BETWEEN_LINES_ON_SAME_LINE - NSMinX(result);
299   
300    return result;
301}
302
303- (NSAttributedString *) attributedName
304{
305    NSString * name = [(TrackerNode *)[self objectValue] host];
306    return [[[NSAttributedString alloc] initWithString: name attributes: fNameAttributes] autorelease];
307}
308
309- (NSAttributedString *) attributedStatusWithString: (NSString *) statusString
310{
311    return [[[NSAttributedString alloc] initWithString: statusString attributes: fStatusAttributes] autorelease];
312}
313
314- (NSAttributedString *) attributedCount: (NSInteger) count
315{
316    NSString * countString = count != -1 ? [NSString stringWithFormat: @"%d", count] : NSLocalizedString(@"N/A", "tracker peer stat");
317    return [[[NSAttributedString alloc] initWithString: countString attributes: fStatusAttributes] autorelease];
318}
319
320@end
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