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Improve UIRemoteImageView

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This commit is contained in:
Yann Diorcet 2013-02-12 16:03:17 +01:00
parent bc0f253cbe
commit ffa8be9508
2 changed files with 27 additions and 15 deletions
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4
Classes/LinphoneUI/UIRemoteImageView.h
View file

@ -20,7 +20,9 @@
#import <UIKit/UIKit.h>
@interface UIRemoteImageView : UIImageView <NSURLConnectionDelegate>
@interface UIRemoteImageView : UIImageView <NSURLConnectionDelegate> {
NSOperationQueue *queue;
}
@property (retain) UIActivityIndicatorView *waitIndicatorView;

38
Classes/LinphoneUI/UIRemoteImageView.m
View file

@ -34,6 +34,11 @@
waitIndicatorView.hidesWhenStopped = TRUE;
waitIndicatorView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
[self addSubview:waitIndicatorView];
// Create Queue
queue = [[NSOperationQueue alloc] init];
queue.name = @"RemoteImage";
queue.maxConcurrentOperationCount = 1;
}
- (id)init {
@ -78,6 +83,7 @@
- (void)dealloc {
[waitIndicatorView release];
[queue release];
[super dealloc];
}
@ -87,28 +93,32 @@
- (void)loadImage:(NSString*)url {
[waitIndicatorView startAnimating];
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLRequestReturnCacheDataElseLoad timeoutInterval:5];
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLRequestReturnCacheDataElseLoad timeoutInterval:30];
if(request != nil) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, (unsigned long)NULL), ^(void) {
[queue cancelAllOperations];
NSBlockOperation *operation = [[[NSBlockOperation alloc] init] autorelease];
[operation addExecutionBlock:^(void) {
NSURLResponse *response = nil;
NSError *error = nil;
NSData *data = nil;
data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error delegate:self];
if(data != nil) {
UIImage *image = [UIImage imageWithData:data];
dispatch_async(dispatch_get_main_queue(), ^{
[waitIndicatorView stopAnimating];
[self setImage:image];
});
} else {
dispatch_async(dispatch_get_main_queue(), ^{
[waitIndicatorView stopAnimating];
});
if(![operation isCancelled]) {
if(data != nil) {
UIImage *image = [UIImage imageWithData:data];
dispatch_async(dispatch_get_main_queue(), ^{
[waitIndicatorView stopAnimating];
[self setImage:image];
});
} else {
dispatch_async(dispatch_get_main_queue(), ^{
[waitIndicatorView stopAnimating];
});
}
}
});
}];
[queue addOperation:operation];
}
}
- (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace