session-ios/Signal/src/Models/TSMessageAdapaters/JSQMediaItem+OWS.m

//
//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//

#import "JSQMediaItem+OWS.h"
#import "UIDevice+TSHardwareVersion.h"
#import "NumberUtil.h"

@implementation JSQMediaItem (OWS)

- (CGFloat)ows_maxMediaBubbleWidth:(CGSize)defaultBubbleSize
{
    return (
        [[UIDevice currentDevice] isiPhoneVersionSixOrMore] ? defaultBubbleSize.width * 1.2 : defaultBubbleSize.width);
}

- (CGSize)ows_adjustBubbleSize:(CGSize)bubbleSize forImage:(UIImage *)image {
    double aspectRatio = image.size.height / image.size.width;
    double clampedAspectRatio = [NumberUtil clamp:aspectRatio toMin:0.5 andMax:1.5];
    
    if ([[UIDevice currentDevice] isiPhoneVersionSixOrMore]) {
        bubbleSize.width = [self ows_maxMediaBubbleWidth:bubbleSize];
        bubbleSize.height = (CGFloat)(bubbleSize.width * clampedAspectRatio);
    } else {
        if (aspectRatio > 1) {
            bubbleSize.height = bubbleSize.width;
            bubbleSize.width = (CGFloat)(bubbleSize.height / clampedAspectRatio);
        } else {
            bubbleSize.height = (CGFloat)(bubbleSize.width * clampedAspectRatio);
        }
    }
    return bubbleSize;
}

@end