From 73df9d7281b313c88a249187871a04318a9fb59c Mon Sep 17 00:00:00 2001
From: Olivier Poitrey <rs@dailymotion.com>
Date: Mon, 5 Nov 2012 23:00:50 +0100
Subject: [PATCH] Track leaks

---
 .../SDWebImage Demo/MasterViewController.m    | 210 ++++++++++++++++++
 SDWebImage/SDWebImageDownloaderOperation.m    |  23 +-
 2 files changed, 220 insertions(+), 13 deletions(-)

diff --git a/Examples/SDWebImage Demo/MasterViewController.m b/Examples/SDWebImage Demo/MasterViewController.m
index 0ed8625..70d04e2 100644
--- a/Examples/SDWebImage Demo/MasterViewController.m	
+++ b/Examples/SDWebImage Demo/MasterViewController.m	
@@ -25,6 +25,10 @@
     if (self)
     {
         self.title = @"SDWebImage";
+        self.navigationItem.rightBarButtonItem = [UIBarButtonItem.alloc initWithTitle:@"Clear Cache"
+                                                                                style:UIBarButtonItemStylePlain
+                                                                               target:self
+                                                                               action:@selector(flushCache)];
         _objects = [NSArray arrayWithObjects:
                     @"http://static2.dmcdn.net/static/video/451/838/44838154:jpeg_preview_small.jpg?20120509163826",
                     @"http://static2.dmcdn.net/static/video/656/177/44771656:jpeg_preview_small.jpg?20120509154705",
@@ -126,10 +130,216 @@
                     @"http://static2.dmcdn.net/static/video/406/148/43841604:jpeg_preview_small.jpg?20120416123145",
                     @"http://static2.dmcdn.net/static/video/463/885/43588364:jpeg_preview_small.jpg?20120409130206",
                     @"http://static2.dmcdn.net/static/video/176/845/38548671:jpeg_preview_small.jpg?20120414200742",
+                    @"http://static2.dmcdn.net/static/video/447/848/51848744:jpeg_preview_small.jpg?20121105223446",
+                    @"http://static2.dmcdn.net/static/video/337/848/51848733:jpeg_preview_small.jpg?20121105223433",
+                    @"http://static2.dmcdn.net/static/video/707/848/51848707:jpeg_preview_small.jpg?20121105223428",
+                    @"http://static2.dmcdn.net/static/video/102/848/51848201:jpeg_preview_small.jpg?20121105223411",
+                    @"http://static2.dmcdn.net/static/video/817/848/51848718:jpeg_preview_small.jpg?20121105223402",
+                    @"http://static2.dmcdn.net/static/video/007/848/51848700:jpeg_preview_small.jpg?20121105223345",
+                    @"http://static2.dmcdn.net/static/video/696/848/51848696:jpeg_preview_small.jpg?20121105223355",
+                    @"http://static2.dmcdn.net/static/video/296/848/51848692:jpeg_preview_small.jpg?20121105223337",
+                    @"http://static2.dmcdn.net/static/video/080/848/51848080:jpeg_preview_small.jpg?20121105223653",
+                    @"http://static2.dmcdn.net/static/video/386/848/51848683:jpeg_preview_small.jpg?20121105223343",
+                    @"http://static2.dmcdn.net/static/video/876/848/51848678:jpeg_preview_small.jpg?20121105223301",
+                    @"http://static2.dmcdn.net/static/video/866/848/51848668:jpeg_preview_small.jpg?20121105223244",
+                    @"http://static2.dmcdn.net/static/video/572/548/51845275:jpeg_preview_small.jpg?20121105223229",
+                    @"http://static2.dmcdn.net/static/video/972/548/51845279:jpeg_preview_small.jpg?20121105223227",
+                    @"http://static2.dmcdn.net/static/video/112/548/51845211:jpeg_preview_small.jpg?20121105223226",
+                    @"http://static2.dmcdn.net/static/video/549/448/51844945:jpeg_preview_small.jpg?20121105223223",
+                    @"http://static2.dmcdn.net/static/video/166/848/51848661:jpeg_preview_small.jpg?20121105223228",
+                    @"http://static2.dmcdn.net/static/video/856/848/51848658:jpeg_preview_small.jpg?20121105223223",
+                    @"http://static2.dmcdn.net/static/video/746/848/51848647:jpeg_preview_small.jpg?20121105223204",
+                    @"http://static2.dmcdn.net/static/video/446/848/51848644:jpeg_preview_small.jpg?20121105223204",
+                    @"http://static2.dmcdn.net/static/video/726/848/51848627:jpeg_preview_small.jpg?20121105223221",
+                    @"http://static2.dmcdn.net/static/video/436/848/51848634:jpeg_preview_small.jpg?20121105223445",
+                    @"http://static2.dmcdn.net/static/video/836/848/51848638:jpeg_preview_small.jpg?20121105223144",
+                    @"http://static2.dmcdn.net/static/video/036/848/51848630:jpeg_preview_small.jpg?20121105223125",
+                    @"http://static2.dmcdn.net/static/video/026/848/51848620:jpeg_preview_small.jpg?20121105223102",
+                    @"http://static2.dmcdn.net/static/video/895/848/51848598:jpeg_preview_small.jpg?20121105223112",
+                    @"http://static2.dmcdn.net/static/video/116/848/51848611:jpeg_preview_small.jpg?20121105223052",
+                    @"http://static2.dmcdn.net/static/video/006/848/51848600:jpeg_preview_small.jpg?20121105223043",
+                    @"http://static2.dmcdn.net/static/video/432/548/51845234:jpeg_preview_small.jpg?20121105223022",
+                    @"http://static2.dmcdn.net/static/video/785/848/51848587:jpeg_preview_small.jpg?20121105223031",
+                    @"http://static2.dmcdn.net/static/video/975/848/51848579:jpeg_preview_small.jpg?20121105223012",
+                    @"http://static2.dmcdn.net/static/video/965/848/51848569:jpeg_preview_small.jpg?20121105222952",
+                    @"http://static2.dmcdn.net/static/video/365/848/51848563:jpeg_preview_small.jpg?20121105222943",
+                    @"http://static2.dmcdn.net/static/video/755/848/51848557:jpeg_preview_small.jpg?20121105222943",
+                    @"http://static2.dmcdn.net/static/video/722/248/51842227:jpeg_preview_small.jpg?20121105222908",
+                    @"http://static2.dmcdn.net/static/video/155/848/51848551:jpeg_preview_small.jpg?20121105222913",
+                    @"http://static2.dmcdn.net/static/video/345/848/51848543:jpeg_preview_small.jpg?20121105222907",
+                    @"http://static2.dmcdn.net/static/video/535/848/51848535:jpeg_preview_small.jpg?20121105222848",
+                    @"http://static2.dmcdn.net/static/video/035/848/51848530:jpeg_preview_small.jpg?20121105222837",
+                    @"http://static2.dmcdn.net/static/video/525/848/51848525:jpeg_preview_small.jpg?20121105222826",
+                    @"http://static2.dmcdn.net/static/video/233/848/51848332:jpeg_preview_small.jpg?20121105223414",
+                    @"http://static2.dmcdn.net/static/video/125/848/51848521:jpeg_preview_small.jpg?20121105222809",
+                    @"http://static2.dmcdn.net/static/video/005/848/51848500:jpeg_preview_small.jpg?20121105222802",
+                    @"http://static2.dmcdn.net/static/video/015/848/51848510:jpeg_preview_small.jpg?20121105222755",
+                    @"http://static2.dmcdn.net/static/video/121/548/51845121:jpeg_preview_small.jpg?20121105222850",
+                    @"http://static2.dmcdn.net/static/video/205/848/51848502:jpeg_preview_small.jpg?20121105222737",
+                    @"http://static2.dmcdn.net/static/video/697/448/51844796:jpeg_preview_small.jpg?20121105222818",
+                    @"http://static2.dmcdn.net/static/video/494/848/51848494:jpeg_preview_small.jpg?20121105222724",
+                    @"http://static2.dmcdn.net/static/video/806/448/51844608:jpeg_preview_small.jpg?20121105222811",
+                    @"http://static2.dmcdn.net/static/video/729/348/51843927:jpeg_preview_small.jpg?20121105222805",
+                    @"http://static2.dmcdn.net/static/video/865/148/51841568:jpeg_preview_small.jpg?20121105222803",
+                    @"http://static2.dmcdn.net/static/video/481/548/51845184:jpeg_preview_small.jpg?20121105222700",
+                    @"http://static2.dmcdn.net/static/video/190/548/51845091:jpeg_preview_small.jpg?20121105222656",
+                    @"http://static2.dmcdn.net/static/video/128/448/51844821:jpeg_preview_small.jpg?20121105222656",
+                    @"http://static2.dmcdn.net/static/video/784/848/51848487:jpeg_preview_small.jpg?20121105222704",
+                    @"http://static2.dmcdn.net/static/video/182/448/51844281:jpeg_preview_small.jpg?20121105222652",
+                    @"http://static2.dmcdn.net/static/video/801/848/51848108:jpeg_preview_small.jpg?20121105222907",
+                    @"http://static2.dmcdn.net/static/video/974/848/51848479:jpeg_preview_small.jpg?20121105222657",
+                    @"http://static2.dmcdn.net/static/video/274/848/51848472:jpeg_preview_small.jpg?20121105222644",
+                    @"http://static2.dmcdn.net/static/video/954/848/51848459:jpeg_preview_small.jpg?20121105222637",
+                    @"http://static2.dmcdn.net/static/video/554/848/51848455:jpeg_preview_small.jpg?20121105222615",
+                    @"http://static2.dmcdn.net/static/video/944/848/51848449:jpeg_preview_small.jpg?20121105222558",
+                    @"http://static2.dmcdn.net/static/video/144/848/51848441:jpeg_preview_small.jpg?20121105222556",
+                    @"http://static2.dmcdn.net/static/video/134/848/51848431:jpeg_preview_small.jpg?20121105222539",
+                    @"http://static2.dmcdn.net/static/video/624/848/51848426:jpeg_preview_small.jpg?20121105222523",
+                    @"http://static2.dmcdn.net/static/video/281/448/51844182:jpeg_preview_small.jpg?20121105222502",
+                    @"http://static2.dmcdn.net/static/video/414/848/51848414:jpeg_preview_small.jpg?20121105222516",
+                    @"http://static2.dmcdn.net/static/video/171/848/51848171:jpeg_preview_small.jpg?20121105223449",
+                    @"http://static2.dmcdn.net/static/video/904/848/51848409:jpeg_preview_small.jpg?20121105222514",
+                    @"http://static2.dmcdn.net/static/video/004/848/51848400:jpeg_preview_small.jpg?20121105222443",
+                    @"http://static2.dmcdn.net/static/video/693/848/51848396:jpeg_preview_small.jpg?20121105222439",
+                    @"http://static2.dmcdn.net/static/video/401/848/51848104:jpeg_preview_small.jpg?20121105222832",
+                    @"http://static2.dmcdn.net/static/video/957/648/51846759:jpeg_preview_small.jpg?20121105223109",
+                    @"http://static2.dmcdn.net/static/video/603/848/51848306:jpeg_preview_small.jpg?20121105222324",
+                    @"http://static2.dmcdn.net/static/video/990/848/51848099:jpeg_preview_small.jpg?20121105222807",
+                    @"http://static2.dmcdn.net/static/video/929/448/51844929:jpeg_preview_small.jpg?20121105222216",
+                    @"http://static2.dmcdn.net/static/video/320/548/51845023:jpeg_preview_small.jpg?20121105222214",
+                    @"http://static2.dmcdn.net/static/video/387/448/51844783:jpeg_preview_small.jpg?20121105222212",
+                    @"http://static2.dmcdn.net/static/video/833/248/51842338:jpeg_preview_small.jpg?20121105222209",
+                    @"http://static2.dmcdn.net/static/video/993/348/51843399:jpeg_preview_small.jpg?20121105222012",
+                    @"http://static2.dmcdn.net/static/video/660/848/51848066:jpeg_preview_small.jpg?20121105222754",
+                    @"http://static2.dmcdn.net/static/video/471/848/51848174:jpeg_preview_small.jpg?20121105223419",
+                    @"http://static2.dmcdn.net/static/video/255/748/51847552:jpeg_preview_small.jpg?20121105222420",
+                    @"http://static2.dmcdn.net/static/video/257/448/51844752:jpeg_preview_small.jpg?20121105221728",
+                    @"http://static2.dmcdn.net/static/video/090/848/51848090:jpeg_preview_small.jpg?20121105223020",
+                    @"http://static2.dmcdn.net/static/video/807/448/51844708:jpeg_preview_small.jpg?20121105221654",
+                    @"http://static2.dmcdn.net/static/video/196/448/51844691:jpeg_preview_small.jpg?20121105222110",
+                    @"http://static2.dmcdn.net/static/video/406/448/51844604:jpeg_preview_small.jpg?20121105221647",
+                    @"http://static2.dmcdn.net/static/video/865/348/51843568:jpeg_preview_small.jpg?20121105221644",
+                    @"http://static2.dmcdn.net/static/video/932/448/51844239:jpeg_preview_small.jpg?20121105221309",
+                    @"http://static2.dmcdn.net/static/video/967/438/51834769:jpeg_preview_small.jpg?20121105221020",
+                    @"http://static2.dmcdn.net/static/video/362/348/51843263:jpeg_preview_small.jpg?20121105220855",
+                    @"http://static2.dmcdn.net/static/video/777/448/51844777:jpeg_preview_small.jpg?20121105220715",
+                    @"http://static2.dmcdn.net/static/video/567/348/51843765:jpeg_preview_small.jpg?20121105220708",
+                    @"http://static2.dmcdn.net/static/video/905/248/51842509:jpeg_preview_small.jpg?20121105220640",
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+                    @"http://static2.dmcdn.net/static/video/578/348/51843875:jpeg_preview_small.jpg?20121105220350",
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+                    @"http://static2.dmcdn.net/static/video/784/848/51848487:jpeg_preview_small.jpg?20121105222704",
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+                    @"http://static2.dmcdn.net/static/video/401/848/51848104:jpeg_preview_small.jpg?20121105222832",
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+                    @"http://static2.dmcdn.net/static/video/967/438/51834769:jpeg_preview_small.jpg?20121105221020",
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+                    @"http://static2.dmcdn.net/static/video/994/748/51847499:jpeg_preview_small.jpg?20121105220343",
+                    @"http://static2.dmcdn.net/static/video/852/748/51847258:jpeg_preview_small.jpg?20121105221031",
+                    @"http://static2.dmcdn.net/static/video/671/838/51838176:jpeg_preview_small.jpg?20121105215421",
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+                    @"http://static2.dmcdn.net/static/video/834/448/51844438:jpeg_preview_small.jpg?20121105215431",
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+                    @"http://static2.dmcdn.net/static/video/581/748/51847185:jpeg_preview_small.jpg?20121105220637",
+                    @"http://static2.dmcdn.net/static/video/407/648/51846704:jpeg_preview_small.jpg?20121105220316",
+                    @"http://static2.dmcdn.net/static/video/460/448/51844064:jpeg_preview_small.jpg?20121105215245",
+                    @"http://static2.dmcdn.net/static/video/298/648/51846892:jpeg_preview_small.jpg?20121105220953",
+                    @"http://static2.dmcdn.net/static/video/053/748/51847350:jpeg_preview_small.jpg?20121105221113",
+                    @"http://static2.dmcdn.net/static/video/996/448/51844699:jpeg_preview_small.jpg?20121105222807",
+                    @"http://static2.dmcdn.net/static/video/451/448/51844154:jpeg_preview_small.jpg?20121105221955",
+                    @"http://static2.dmcdn.net/static/video/049/648/51846940:jpeg_preview_small.jpg?20121105215910",
+                    @"http://static2.dmcdn.net/static/video/091/748/51847190:jpeg_preview_small.jpg?20121105215617",
+                    @"http://static2.dmcdn.net/static/video/573/748/51847375:jpeg_preview_small.jpg?20121105223420",
+                    @"http://static2.dmcdn.net/static/video/103/248/51842301:jpeg_preview_small.jpg?20121105215014",
+                    @"http://static2.dmcdn.net/static/video/991/548/51845199:jpeg_preview_small.jpg?20121105215407",
+                    @"http://static2.dmcdn.net/static/video/872/648/51846278:jpeg_preview_small.jpg?20121105220635",
+                    @"http://static2.dmcdn.net/static/video/813/748/51847318:jpeg_preview_small.jpg?20121105214729",
+                    @"http://static2.dmcdn.net/static/video/153/448/51844351:jpeg_preview_small.jpg?20121105214622",
+                    @"http://static2.dmcdn.net/static/video/328/648/51846823:jpeg_preview_small.jpg?20121105214944",
+                    @"http://static2.dmcdn.net/static/video/892/748/51847298:jpeg_preview_small.jpg?20121105224514",
+                    @"http://static2.dmcdn.net/static/video/640/048/51840046:jpeg_preview_small.jpg?20121105214430",
+                    @"http://static2.dmcdn.net/static/video/153/648/51846351:jpeg_preview_small.jpg?20121105214426",
+                    @"http://static2.dmcdn.net/static/video/769/248/51842967:jpeg_preview_small.jpg?20121105214255",
+                    @"http://static2.dmcdn.net/static/video/720/448/51844027:jpeg_preview_small.jpg?20121105214248",
+                    @"http://static2.dmcdn.net/static/video/895/048/51840598:jpeg_preview_small.jpg?20121105214234",
+                    @"http://static2.dmcdn.net/static/video/893/348/51843398:jpeg_preview_small.jpg?20121105214157",
+                    @"http://static2.dmcdn.net/static/video/351/748/51847153:jpeg_preview_small.jpg?20121105214106",
+                    @"http://static2.dmcdn.net/static/video/364/648/51846463:jpeg_preview_small.jpg?20121105215005",
+                    @"http://static2.dmcdn.net/static/video/269/938/51839962:jpeg_preview_small.jpg?20121105214014",
                     nil];
     }
     return self;
 }
+
+- (void)flushCache
+{
+    [SDWebImageManager.sharedManager.imageCache clearMemory];
+    [SDWebImageManager.sharedManager.imageCache clearDisk];
+}
 							
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
 {
diff --git a/SDWebImage/SDWebImageDownloaderOperation.m b/SDWebImage/SDWebImageDownloaderOperation.m
index c8a91cf..38e2588 100644
--- a/SDWebImage/SDWebImageDownloaderOperation.m
+++ b/SDWebImage/SDWebImageDownloaderOperation.m
@@ -85,6 +85,7 @@
 {
     if (self.isFinished) return;
     [super cancel];
+    if (self.cancelBlock) self.cancelBlock();
 
     if (self.connection)
     {
@@ -96,25 +97,12 @@
         if (!self.isFinished) self.finished = YES;
         if (self.isExecuting) self.executing = NO;
     }
-
-    if (self.cancelBlock) self.cancelBlock();
-    self.cancelBlock = nil;
-    self.completedBlock = nil;
-    self.progressBlock = nil;
-    self.connection = nil;
-    self.imageData = nil;
-
 }
 
 - (void)done
 {
     self.finished = YES;
     self.executing = NO;
-    self.cancelBlock = nil;
-    self.completedBlock = nil;
-    self.progressBlock = nil;
-    self.connection = nil;
-    self.imageData = nil;
 }
 
 - (void)setFinished:(BOOL)finished
@@ -122,6 +110,15 @@
     [self willChangeValueForKey:@"isFinished"];
     _finished = finished;
     [self didChangeValueForKey:@"isFinished"];
+
+    if (finished)
+    {
+        self.cancelBlock = nil;
+        self.completedBlock = nil;
+        self.progressBlock = nil;
+        self.connection = nil;
+        self.imageData = nil;
+    }
 }
 
 - (void)setExecuting:(BOOL)executing