125 lines
4.3 KiB
Objective-C
125 lines
4.3 KiB
Objective-C
#import "FFFastImageView.h"
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@implementation FFFastImageView {
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BOOL hasSentOnLoadStart;
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BOOL hasCompleted;
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BOOL hasErrored;
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NSDictionary* onLoadEvent;
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}
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- (void)setResizeMode:(RCTResizeMode)resizeMode
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{
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if (_resizeMode != resizeMode) {
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_resizeMode = resizeMode;
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self.contentMode = (UIViewContentMode)resizeMode;
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}
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}
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- (void)setOnFastImageLoadEnd:(RCTBubblingEventBlock)onFastImageLoadEnd {
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_onFastImageLoadEnd = onFastImageLoadEnd;
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if (hasCompleted) {
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_onFastImageLoadEnd(@{});
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}
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}
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- (void)setOnFastImageLoad:(RCTBubblingEventBlock)onFastImageLoad {
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_onFastImageLoad = onFastImageLoad;
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if (hasCompleted) {
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_onFastImageLoad(onLoadEvent);
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}
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}
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- (void)setOnFastImageError:(RCTDirectEventBlock)onFastImageError {
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_onFastImageError = onFastImageError;
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if (hasErrored) {
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_onFastImageError(@{});
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}
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}
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- (void)setOnFastImageLoadStart:(RCTBubblingEventBlock)onFastImageLoadStart {
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if (_source && !hasSentOnLoadStart) {
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_onFastImageLoadStart = onFastImageLoadStart;
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onFastImageLoadStart(@{});
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hasSentOnLoadStart = YES;
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} else {
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_onFastImageLoadStart = onFastImageLoadStart;
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hasSentOnLoadStart = NO;
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}
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}
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- (void)setSource:(FFFastImageSource *)source {
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if (_source != source) {
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_source = source;
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// Set headers.
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[_source.headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString* header, BOOL *stop) {
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[[SDWebImageDownloader sharedDownloader] setValue:header forHTTPHeaderField:key];
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}];
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// Set priority.
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SDWebImageOptions options = 0;
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options |= SDWebImageRetryFailed;
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switch (_source.priority) {
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case FFFPriorityLow:
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options |= SDWebImageLowPriority;
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break;
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case FFFPriorityNormal:
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// Priority is normal by default.
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break;
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case FFFPriorityHigh:
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options |= SDWebImageHighPriority;
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break;
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}
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if (_onFastImageLoadStart) {
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_onFastImageLoadStart(@{});
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hasSentOnLoadStart = YES;
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} {
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hasSentOnLoadStart = NO;
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}
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hasCompleted = NO;
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hasErrored = NO;
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// Load the new source.
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[self sd_setImageWithURL:_source.uri
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placeholderImage:nil
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options:options
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progress:^(NSInteger receivedSize, NSInteger expectedSize, NSURL * _Nullable targetURL) {
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if (_onFastImageProgress) {
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_onFastImageProgress(@{
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@"loaded": @(receivedSize),
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@"total": @(expectedSize)
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});
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}
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} completed:^(UIImage * _Nullable image,
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NSError * _Nullable error,
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SDImageCacheType cacheType,
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NSURL * _Nullable imageURL) {
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if (error) {
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hasErrored = YES;
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if (_onFastImageError) {
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_onFastImageError(@{});
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}
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if (_onFastImageLoadEnd) {
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_onFastImageLoadEnd(@{});
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}
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} else {
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hasCompleted = YES;
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onLoadEvent = @{
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@"width":[NSNumber numberWithDouble:image.size.width],
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@"height":[NSNumber numberWithDouble:image.size.height]
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};
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if (_onFastImageLoad) {
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_onFastImageLoad(onLoadEvent);
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}
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if (_onFastImageLoadEnd) {
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_onFastImageLoadEnd(@{});
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}
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}
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}];
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}
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}
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@end
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