| 1234567891011121314151617181920212223242526272829303132333435363738 |
- //
- // NIMAudioContentConfig.m
- // NIMKit
- //
- // Created by amao on 9/15/15.
- // Copyright (c) 2015 NetEase. All rights reserved.
- //
- #import "NIMAudioContentConfig.h"
- #import "NIMKit.h"
- @implementation NIMAudioContentConfig
- - (CGSize)contentSize:(CGFloat)cellWidth message:(NIMMessage *)message
- {
- //使用公式 长度 = (最长－最小)*(2/pi)*artan(时间/10)+最小，在10秒时变化逐渐变缓，随着时间增加 无限趋向于最大值
- NIMAudioObject *audioContent = (NIMAudioObject*)[message messageObject];
- NSAssert([audioContent isKindOfClass:[NIMAudioObject class]], @"message should be audio");
-
-
- CGFloat value = 2*atan((audioContent.duration/1000.0-1)/10.0)/M_PI;
- NSInteger audioContentMinWidth = (cellWidth - 280);
- NSInteger audioContentMaxWidth = (cellWidth - 170);
- NSInteger audioContentHeight = 30;
- return CGSizeMake((audioContentMaxWidth - audioContentMinWidth)* value + audioContentMinWidth, audioContentHeight);
- }
- - (NSString *)cellContent:(NIMMessage *)message
- {
- return @"NIMSessionAudioContentView";
- }
- - (UIEdgeInsets)contentViewInsets:(NIMMessage *)message
- {
- return [[NIMKit sharedKit].config setting:message].contentInsets;
- }
- @end
|
