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https://github.com/copyrighttxt/watrbx-game-engine.git
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GEEKING
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watrabi
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//
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// RobloxImageView.m
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// RobloxMobile
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//
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// Created by Ariel Lichtin on 5/27/14.
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// Copyright (c) 2014 ROBLOX. All rights reserved.
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//
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#import "RobloxImageView.h"
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#import "RobloxData.h"
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#import "UIImage+Utils.h"
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#import "RobloxNotifications.h"
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#import "RobloxImageCache.h"
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@implementation RobloxImageView
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{
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NSString* _imageID;
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}
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+ (NSString*) fullImageID:(NSString*)baseID forSize:(CGSize)size
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{
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return [NSString stringWithFormat:@"%@_%d_%d", baseID, (int)size.width, (int)size.height];
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}
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- (id)initWithFrame:(CGRect)frame
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{
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self = [super initWithFrame:frame];
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if (self)
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{
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[self setupDefaultParams];
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}
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return self;
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}
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- (id)initWithImage:(UIImage *)image
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{
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self = [super initWithImage:image];
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if (self)
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{
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[self setupDefaultParams];
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}
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return self;
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}
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- (id)initWithCoder:(NSCoder *)aDecoder
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{
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self = [super initWithCoder:aDecoder];
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if (self)
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{
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[self setupDefaultParams];
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}
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return self;
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}
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- (void)setupDefaultParams
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{
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_imageID = @"";
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self.animateInOptions = RBXImageViewAnimateInAlways;
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}
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/**
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Load any ROBLOX asset when we already have a prefetched URL for it.
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*/
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-(void)loadWithAssetID:(NSString*)assetID
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withPrefetchedURL:(NSString*)assetURL
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withFinalURL:(BOOL)assetIsFinal
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withSize:(CGSize)size
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completion:(completion_block_t)block
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{
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//if the url is not final, revert to the basic call
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if (!assetIsFinal)
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{
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[self loadWithAssetID:assetID withSize:size completion:block];
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return;
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}
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// If the image is already loaded, return immediately
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NSString* fullImageID = [RobloxImageView fullImageID:assetID forSize:size];
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if(_imageID && [_imageID isEqualToString:fullImageID])
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{
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if(block) block();
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return;
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}
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_imageID = fullImageID;
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self.image = nil;
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// check the cache to see if we have already loaded this image
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UIImage* cachedImage = [[RobloxImageCache sharedInstance] getImage:_imageID size:size];
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if(cachedImage != nil)
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{
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[self displayImage:cachedImage wasCached:YES completion:block];
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}
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else
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{
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[self loadImageWithURL:assetURL imageID:_imageID withSize:size completion:block];
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}
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}
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/**
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Fallback for more specific loadWithAssetId function. This loads any asset.
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*/
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-(void)loadWithAssetID:(NSString*)assetID withSize:(CGSize)size completion:(completion_block_t)block
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{
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// If the image is already loaded, return immediately
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NSString* fullImageID = [RobloxImageView fullImageID:assetID forSize:size];
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if(_imageID && [_imageID isEqualToString:fullImageID])
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{
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if(block) block();
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return;
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}
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_imageID = fullImageID;
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self.image = nil;
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UIImage* cachedImage = [[RobloxImageCache sharedInstance] getImage:_imageID size:size];
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if(cachedImage != nil)
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{
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[self displayImage:cachedImage wasCached:YES completion:block];
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}
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else
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{
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[RobloxData fetchURLForAssetID:assetID withSize:size completion:^(NSString *imageURL)
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{
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if(imageURL)
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{
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if([_imageID isEqualToString:fullImageID])
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{
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[self loadImageWithURL:imageURL imageID:_imageID withSize:size completion:block];
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}
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}
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else
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{
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// TODO: Failed get the image url.
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// Add a placeholder image for this case.
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if(block)
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block();
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}
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}];
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}
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}
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- (void)loadThumbnailForGame:(RBXGameData *)game withSize:(CGSize)size completion:(completion_block_t)block
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{
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// If the image is already loaded, return immediately
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NSString* fullImageID = [RobloxImageView fullImageID:game.placeID forSize:size];
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if(_imageID && [_imageID isEqualToString:fullImageID] )
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{
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if(block) block();
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return;
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}
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_imageID = fullImageID;
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self.image = nil;
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UIImage* cachedImage = [[RobloxImageCache sharedInstance] getImage:_imageID size:size];
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if(cachedImage != nil)
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{
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[self displayImage:cachedImage wasCached:YES completion:block];
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}
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else
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{
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if(game.thumbnailIsFinal && game.thumbnailURL != nil)
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{
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[self loadImageWithURL:game.thumbnailURL imageID:_imageID withSize:size completion:block];
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}
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else
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{
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[RobloxData fetchThumbnailURLForGameID:game.placeID withSize:size completion:^(NSString *imageURL)
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{
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if(imageURL)
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{
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if([fullImageID isEqualToString:_imageID])
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{
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[self loadImageWithURL:imageURL imageID:_imageID withSize:size completion:block];
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}
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}
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else
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{
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// TODO: Failed get the image url.
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// Add a placeholder image for this case.
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if(block)
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block();
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}
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}];
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}
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}
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}
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- (void)loadAvatarForUserID:(NSInteger)userID prefetchedURL:(NSString *)url urlIsFinal:(BOOL)urlIsFinal withSize:(CGSize)size completion:(completion_block_t)block
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{
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if(urlIsFinal == NO)
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{
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[self loadAvatarForUserID:userID withSize:size completion:block];
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return;
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}
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// If the image is already loaded, return immediately
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NSString* imageID = [RobloxImageView fullImageID:[NSString stringWithFormat:@"%ld", (long)userID] forSize:size];
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if(_imageID && [_imageID isEqualToString:imageID])
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{
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if(block) block();
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return;
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}
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self.image = nil;
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_imageID = imageID;
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UIImage* cachedImage = [[RobloxImageCache sharedInstance] getImage:imageID size:size];
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if(cachedImage != nil)
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{
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[self displayImage:cachedImage wasCached:YES completion:block];
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}
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else
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{
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if(urlIsFinal && url != nil)
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{
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[self loadImageWithURL:url imageID:_imageID withSize:size completion:block];
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}
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else
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{
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[self loadAvatarForUserID:userID withSize:size completion:block];
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}
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}
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}
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- (void)loadAvatarForUserID:(NSInteger)userID withSize:(CGSize)size completion:(completion_block_t)block
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{
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// If the image is already loaded, return immediately
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NSString* imageID = [RobloxImageView fullImageID:[NSString stringWithFormat:@"%ld", (long)userID] forSize:size];
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if(_imageID && [_imageID isEqualToString:imageID])
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{
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if(block) block();
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return;
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}
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self.image = nil;
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_imageID = imageID;
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UIImage* cachedImage = [[RobloxImageCache sharedInstance] getImage:imageID size:size];
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if(cachedImage != nil)
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{
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[self displayImage:cachedImage wasCached:YES completion:block];
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}
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else
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{
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[RobloxData fetchAvatarURLForUserID:userID withSize:size completion:^(NSString *imageURL)
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{
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if(imageURL)
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{
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if([_imageID isEqualToString:imageID])
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{
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[self loadImageWithURL:imageURL imageID:_imageID withSize:size completion:block];
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}
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}
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else
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{
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// TODO: Failed get the image url.
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// Add a placeholder image for this case.
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if(block)
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block();
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}
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}];
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}
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}
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- (void)loadBadgeWithURL:(NSString *)badgeUrl withSize:(CGSize)size completion:(completion_block_t)block
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{
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// If the image is already loaded, return immediately
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if(_imageID && [_imageID isEqualToString:badgeUrl])
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{
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if(block) block();
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return;
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}
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_imageID = badgeUrl;
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self.image = nil;
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[self loadImageWithURL:badgeUrl imageID:_imageID withSize:size completion:block];
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}
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/**
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Internal function to actually load the image from a URL
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*/
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-(void)loadImageWithURL:(NSString*)imageUrl imageID:(NSString*)imageID withSize:(CGSize)size completion:(completion_block_t)block
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{
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NSURL* url = [NSURL URLWithString:imageUrl];
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[NSURLConnection sendAsynchronousRequest:[NSURLRequest requestWithURL:url]
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queue:[[NSOperationQueue alloc] init]
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completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError)
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{
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if(data)
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{
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dispatch_async(dispatch_get_main_queue(), ^
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{
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// Early check to see if we still have to load the image, or maybe theuser is scrolling too fast
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if([imageID isEqualToString:_imageID])
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{
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void)
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{
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UIImage* image = [UIImage imageWithData:data];
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dispatch_async(dispatch_get_main_queue(), ^
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{
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NSString* fullImageID = [RobloxImageView fullImageID:imageID forSize:size];
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[[RobloxImageCache sharedInstance] setImage:image key:fullImageID size:size];
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if([imageID isEqualToString:_imageID])
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{
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[self displayImage:image wasCached:NO completion:block];
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}
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});
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});
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}
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});
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}
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else
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{
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if(block)
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block(NO);
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}
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}];
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}
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- (void) displayImage:(UIImage*)image wasCached:(BOOL)wasCached completion:(completion_block_t)block
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{
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self.image = image;
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[self.layer removeAllAnimations];
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BOOL animateIn = self.animateInOptions == RBXImageViewAnimateInAlways
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|| (!wasCached && self.animateInOptions == RBXImageViewAnimateInIfNotCached);
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if(animateIn)
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{
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CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];
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animation.beginTime = 0.0f;
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animation.duration = 0.2f;
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animation.fromValue = [NSNumber numberWithFloat:0.0f];
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animation.toValue = [NSNumber numberWithFloat:1.0f];
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animation.removedOnCompletion = YES;
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animation.fillMode = kCAFillModeBoth;
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animation.additive = NO;
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[self.layer addAnimation:animation forKey:@"opacityIN"];
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}
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else
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{
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self.layer.opacity = 1.0f;
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}
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// Call the completion block
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if(block)
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{
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block();
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}
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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@end
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