iToast copy .to be explained later or not since I haven't seen all codes inside it

iToast.h

MIT LICENSE

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

import <Foundation/Foundation.h>

import <UIKit/UIKit.h>

typedef enum iToastGravity {
iToastGravityTop = 1000001,
iToastGravityBottom,
iToastGravityCenter
}iToastGravity;

enum iToastDuration {
iToastDurationLong = 10000,
iToastDurationShort = 1000,
iToastDurationNormal = 3000
}iToastDuration;

typedef enum iToastType {
iToastTypeInfo = -100000,
iToastTypeNotice,
iToastTypeWarning,
iToastTypeError,
iToastTypeNone // For internal use only (to force no image)
}iToastType;

typedef enum {
iToastImageLocationTop,
iToastImageLocationLeft
} iToastImageLocation;

@class iToastSettings;

@interface iToast : NSObject {
iToastSettings *_settings;

NSTimer *timer;

UIView *view;
NSString *text;

}

(void) show;
(void) show:(iToastType) type;
(iToast *) setDuration:(NSInteger ) duration;
(iToast *) setGravity:(iToastGravity) gravity
offsetLeft:(NSInteger) left
offsetTop:(NSInteger) top;
(iToast *) setGravity:(iToastGravity) gravity;
(iToast *) setPostion:(CGPoint) position;
(iToast *) setFontSize:(CGFloat) fontSize; // 设置字体大小
(iToast *) setUseShadow:(BOOL) useShadow;
(iToast *) setCornerRadius:(CGFloat) cornerRadius;
(iToast *) setBgRed:(CGFloat) bgRed;
(iToast *) setBgGreen:(CGFloat) bgGreen;
(iToast *) setBgBlue:(CGFloat) bgBlue;
(iToast *) setBgAlpha:(CGFloat) bgAlpha;

(iToast *) makeText:(NSString *) text;

// 添加初始化方法：

(id) initWithText:(NSString *) tex;
// 设置字体颜色：默认是白色
(iToast *) setFontColor:(UIColor *) fontColor;

-(iToastSettings *) theSettings;

@end

@interface iToastSettings : NSObject<NSCopying>{

}

@property(assign) NSInteger duration;
@property(assign) iToastGravity gravity;
@property(assign) CGPoint postition;
@property(assign) CGFloat fontSize;
@property(nonatomic, strong) UIColor *fontColor; // 字体颜色
@property(assign) BOOL useShadow;
@property(assign) CGFloat cornerRadius;
@property(assign) CGFloat bgRed;
@property(assign) CGFloat bgGreen;
@property(assign) CGFloat bgBlue;
@property(assign) CGFloat bgAlpha;
@property(assign) NSInteger offsetLeft;
@property(assign) NSInteger offsetTop;
@property(readonly) NSDictionary *images;
@property(assign) iToastImageLocation imageLocation;

(void) setImage:(UIImage *)img forType:(iToastType) type;
(void) setImage:(UIImage *)img withLocation:(iToastImageLocation)location forType:(iToastType)type;

(iToastSettings *) getSharedSettings;

@end

//h up
/*********************************************/
//m donw

iToast.m

MIT LICENSE

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

import "iToast.h"

import <QuartzCore/QuartzCore.h>

define CURRENT_TOAST_TAG 6984678

define IOS7_OR_LATER ( [[[UIDevice currentDevice] systemVersion] compare:@"7.0"] != NSOrderedAscending )

static const CGFloat kComponentPadding = 5;

static iToastSettings *sharedSettings = nil;

@interface iToast(private){

}

(iToast *) settings;
(CGRect)_toastFrameForImageSize:(CGSize)imageSize withLocation:(iToastImageLocation)location andTextSize:(CGSize)textSize;
(CGRect)_frameForImage:(iToastType)type inToastFrame:(CGRect)toastFrame;

@end

@implementation iToast

(id) initWithText:(NSString *) tex{
if (self = [super init]) {
text = [tex copy];
}

return self;
}
(void) show{
[self show:iToastTypeNone];
}
(void) show:(iToastType) type {

iToastSettings *theSettings = _settings;

if (!theSettings) {
theSettings = [iToastSettings getSharedSettings];
}

UIImage *image = [theSettings.images valueForKey:[NSString stringWithFormat:@"%i", type]];

UIFont *font = [UIFont systemFontOfSize:theSettings.fontSize];
UIColor *color = theSettings.fontColor; // [UIColor whiteColor]

CGSize textSize;
// 下面的方法在iOS7.0后就过期了
if(IOS7_OR_LATER)
{
textSize = [text boundingRectWithSize:CGSizeMake(280,60) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:font} context:nil].size;
}else
{
textSize = [text sizeWithFont:font constrainedToSize:CGSizeMake(280, 60)];
}
// CGSize textSize = [text sizeWithFont:font constrainedToSize:CGSizeMake(280, 60)];
// CGSize textSize = [text boundingRectWithSize:CGSizeMake(280,60) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:font} context:nil].size;
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, textSize.width + kComponentPadding, textSize.height + kComponentPadding)];
label.backgroundColor = [UIColor clearColor];
// 字体颜色：白色
// label.textColor = [UIColor whiteColor];
label.textColor = color;
label.font = font;
label.text = text;
label.numberOfLines = 0;
if (theSettings.useShadow) {
label.shadowColor = [UIColor darkGrayColor];
label.shadowOffset = CGSizeMake(1, 1);
}

UIButton *v = [UIButton buttonWithType:UIButtonTypeCustom];
if (image) {
v.frame = [self _toastFrameForImageSize:image.size withLocation:[theSettings imageLocation] andTextSize:textSize];
```
  switch ([theSettings imageLocation]) {
      case iToastImageLocationLeft:
          [label setTextAlignment:NSTextAlignmentLeft];
          label.center = CGPointMake(image.size.width + kComponentPadding * 2 
                                     + (v.frame.size.width - image.size.width - kComponentPadding * 2) / 2, 
                                     v.frame.size.height / 2);
          break;
      case iToastImageLocationTop:
          [label setTextAlignment:NSTextAlignmentCenter];
          label.center = CGPointMake(v.frame.size.width / 2, 
                                     (image.size.height + kComponentPadding * 2 
                                      + (v.frame.size.height - image.size.height - kComponentPadding * 2) / 2));
          break;
      default:
          break;
  }
```
} else {
v.frame = CGRectMake(0, 0, textSize.width + kComponentPadding * 2, textSize.height + kComponentPadding * 2);
label.center = CGPointMake(v.frame.size.width / 2, v.frame.size.height / 2);
}
CGRect lbfrm = label.frame;
lbfrm.origin.x = ceil(lbfrm.origin.x);
lbfrm.origin.y = ceil(lbfrm.origin.y);
label.frame = lbfrm;
[v addSubview:label];
// [label release];

if (image) {
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
imageView.frame = [self _frameForImage:type inToastFrame:v.frame];
[v addSubview:imageView];
// [imageView release];
}

v.backgroundColor = [UIColor colorWithRed:theSettings.bgRed green:theSettings.bgGreen blue:theSettings.bgBlue alpha:theSettings.bgAlpha];
v.layer.cornerRadius = theSettings.cornerRadius;

UIWindow *window = [[[UIApplication sharedApplication] windows] objectAtIndex:0];

CGPoint point;

// Set correct orientation/location regarding device orientation
UIInterfaceOrientation orientation = (UIInterfaceOrientation)[[UIApplication sharedApplication] statusBarOrientation];
switch (orientation) {
case UIDeviceOrientationPortrait:
{
if (theSettings.gravity == iToastGravityTop) {
point = CGPointMake(window.frame.size.width / 2, 45);
} else if (theSettings.gravity == iToastGravityBottom) {
point = CGPointMake(window.frame.size.width / 2, window.frame.size.height - 45);
} else if (theSettings.gravity == iToastGravityCenter) {
point = CGPointMake(window.frame.size.width/2, window.frame.size.height/2);
} else {
point = theSettings.postition;
}
```
      point = CGPointMake(point.x + theSettings.offsetLeft, point.y + theSettings.offsetTop);
      break;
  }
  case UIDeviceOrientationPortraitUpsideDown:
  {
      v.transform = CGAffineTransformMakeRotation(M_PI);
      
      float width = window.frame.size.width;
      float height = window.frame.size.height;
      
      if (theSettings.gravity == iToastGravityTop) {
          point = CGPointMake(width / 2, height - 45);
      } else if (theSettings.gravity == iToastGravityBottom) {
          point = CGPointMake(width / 2, 45);
      } else if (theSettings.gravity == iToastGravityCenter) {
          point = CGPointMake(width/2, height/2);
      } else {
          // TODO : handle this case
          point = theSettings.postition;
      }
      
      point = CGPointMake(point.x - theSettings.offsetLeft, point.y - theSettings.offsetTop);
      break;
  }
  case UIDeviceOrientationLandscapeLeft:
  {
      v.transform = CGAffineTransformMakeRotation(M_PI/2); //rotation in radians
      
      if (theSettings.gravity == iToastGravityTop) {
          point = CGPointMake(window.frame.size.width - 45, window.frame.size.height / 2);
      } else if (theSettings.gravity == iToastGravityBottom) {
          point = CGPointMake(45,window.frame.size.height / 2);
      } else if (theSettings.gravity == iToastGravityCenter) {
          point = CGPointMake(window.frame.size.width/2, window.frame.size.height/2);
      } else {
          // TODO : handle this case
          point = theSettings.postition;
      }
      
      point = CGPointMake(point.x - theSettings.offsetTop, point.y - theSettings.offsetLeft);
      break;
  }
  case UIDeviceOrientationLandscapeRight:
  {
      v.transform = CGAffineTransformMakeRotation(-M_PI/2);
      
      if (theSettings.gravity == iToastGravityTop) {
          point = CGPointMake(45, window.frame.size.height / 2);
      } else if (theSettings.gravity == iToastGravityBottom) {
          point = CGPointMake(window.frame.size.width - 45, window.frame.size.height/2);
      } else if (theSettings.gravity == iToastGravityCenter) {
          point = CGPointMake(window.frame.size.width/2, window.frame.size.height/2);
      } else {
          // TODO : handle this case
          point = theSettings.postition;
      }
      
      point = CGPointMake(point.x + theSettings.offsetTop, point.y + theSettings.offsetLeft);
      break;
  }
  default:
      break;
```
}

v.center = point;
v.frame = CGRectIntegral(v.frame);

NSTimer *timer1 = [NSTimer timerWithTimeInterval:((float)theSettings.duration)/1000
target:self selector:@selector(hideToast:)
userInfo:nil repeats:NO];
[[NSRunLoop mainRunLoop] addTimer:timer1 forMode:NSDefaultRunLoopMode];

v.tag = CURRENT_TOAST_TAG;

UIView *currentToast = [window viewWithTag:CURRENT_TOAST_TAG];
if (currentToast != nil) {
[currentToast removeFromSuperview];
}

v.alpha = 0;
[window addSubview:v];
[UIView beginAnimations:nil context:nil];
v.alpha = 1;
[UIView commitAnimations];

// view = [v retain];
// view = [v retain];
// __strong view = v;
view = v;

[v addTarget:self action:@selector(hideToast:) forControlEvents:UIControlEventTouchDown];

}

(CGRect)_toastFrameForImageSize:(CGSize)imageSize withLocation:(iToastImageLocation)location andTextSize:(CGSize)textSize {
CGRect theRect = CGRectZero;
switch (location) {
case iToastImageLocationLeft:
theRect = CGRectMake(0, 0,
imageSize.width + textSize.width + kComponentPadding * 3,
MAX(textSize.height, imageSize.height) + kComponentPadding * 2);
break;
case iToastImageLocationTop:
theRect = CGRectMake(0, 0,
MAX(textSize.width, imageSize.width) + kComponentPadding * 2,
imageSize.height + textSize.height + kComponentPadding * 3);
```
  default:
      break;
```
}
return theRect;
}
(CGRect)_frameForImage:(iToastType)type inToastFrame:(CGRect)toastFrame {
iToastSettings *theSettings = _settings;
UIImage *image = [theSettings.images valueForKey:[NSString stringWithFormat:@"%i", type]];

if (!image) return CGRectZero;

CGRect imageFrame = CGRectZero;

switch ([theSettings imageLocation]) {
case iToastImageLocationLeft:
imageFrame = CGRectMake(kComponentPadding, (toastFrame.size.height - image.size.height) / 2, image.size.width, image.size.height);
break;
case iToastImageLocationTop:
imageFrame = CGRectMake((toastFrame.size.width - image.size.width) / 2, kComponentPadding, image.size.width, image.size.height);
break;
```
  default:
      break;
```
}

return imageFrame;

}

(void) hideToast:(NSTimer*)theTimer{
[UIView beginAnimations:nil context:NULL];
view.alpha = 0;
[UIView commitAnimations];

NSTimer *timer2 = [NSTimer timerWithTimeInterval:500
target:self selector:@selector(hideToast:)
userInfo:nil repeats:NO];
[[NSRunLoop mainRunLoop] addTimer:timer2 forMode:NSDefaultRunLoopMode];
}
(void) removeToast:(NSTimer*)theTimer{
[view removeFromSuperview];
}

(iToast *) makeText:(NSString *) _text{
iToast *toast = [[iToast alloc] initWithText:_text] ;

return toast;
}

(iToast *) setDuration:(NSInteger ) duration{
[self theSettings].duration = duration;
return self;
}
(iToast *) setGravity:(iToastGravity) gravity
offsetLeft:(NSInteger) left
offsetTop:(NSInteger) top{
[self theSettings].gravity = gravity;
[self theSettings].offsetLeft = left;
[self theSettings].offsetTop = top;
return self;
}
(iToast *) setGravity:(iToastGravity) gravity{
[self theSettings].gravity = gravity;
return self;
}
(iToast *) setPostion:(CGPoint) _position{
[self theSettings].postition = CGPointMake(_position.x, _position.y);

return self;
}
(iToast *) setFontSize:(CGFloat) fontSize{
[self theSettings].fontSize = fontSize;
return self;
}

// 设置字体颜色：默认是白色

(iToast *) setFontColor:(UIColor *) fontColor{
[self theSettings].fontColor = fontColor;
return self;
}
(iToast *) setUseShadow:(BOOL) useShadow{
[self theSettings].useShadow = useShadow;
return self;
}
(iToast *) setCornerRadius:(CGFloat) cornerRadius{
[self theSettings].cornerRadius = cornerRadius;
return self;
}
(iToast *) setBgRed:(CGFloat) bgRed{
[self theSettings].bgRed = bgRed;
return self;
}
(iToast *) setBgGreen:(CGFloat) bgGreen{
[self theSettings].bgGreen = bgGreen;
return self;
}
(iToast *) setBgBlue:(CGFloat) bgBlue{
[self theSettings].bgBlue = bgBlue;
return self;
}
(iToast *) setBgAlpha:(CGFloat) bgAlpha{
[self theSettings].bgAlpha = bgAlpha;
return self;
}

-(iToastSettings *) theSettings{
if (!_settings) {
_settings = [[iToastSettings getSharedSettings] copy];
}

return _settings;

}

@end

@implementation iToastSettings

(void) setImage:(UIImage *) img withLocation:(iToastImageLocation)location forType:(iToastType) type {
if (type == iToastTypeNone) {
// This should not be used, internal use only (to force no image)
return;
}

if (!_images) {
_images = [[NSMutableDictionary alloc] initWithCapacity:4];
}

if (img) {
NSString *key = [NSString stringWithFormat:@"%i", type];
[_images setValue:img forKey:key];
}

[self setImageLocation:location];
}
(void)setImage:(UIImage *)img forType:(iToastType)type {
[self setImage:img withLocation:iToastImageLocationLeft forType:type];
}

(iToastSettings *) getSharedSettings{
if (!sharedSettings) {
sharedSettings = [iToastSettings new];
sharedSettings.gravity = iToastGravityCenter;
sharedSettings.duration = iToastDurationShort;
sharedSettings.fontSize = 16.0;
sharedSettings.fontColor = [UIColor whiteColor]; // 默认是白色
sharedSettings.useShadow = YES;
sharedSettings.cornerRadius = 5.0;
sharedSettings.bgRed = 0;
sharedSettings.bgGreen = 0;
sharedSettings.bgBlue = 0;
sharedSettings.bgAlpha = 0.7;
sharedSettings.offsetLeft = 0;
sharedSettings.offsetTop = 0;
}

return sharedSettings;

}

(id) copyWithZone:(NSZone *)zone{
iToastSettings *copy = [iToastSettings new];
copy.gravity = self.gravity;
copy.duration = self.duration;
copy.postition = self.postition;
copy.fontSize = self.fontSize;
copy.fontColor = self.fontColor;
copy.useShadow = self.useShadow;
copy.cornerRadius = self.cornerRadius;
copy.bgRed = self.bgRed;
copy.bgGreen = self.bgGreen;
copy.bgBlue = self.bgBlue;
copy.bgAlpha = self.bgAlpha;
copy.offsetLeft = self.offsetLeft;
copy.offsetTop = self.offsetTop;

NSArray *keys = [self.images allKeys];

for (NSString *key in keys){
[copy setImage:[_images valueForKey:key] forType:[key intValue]];
}

[copy setImageLocation:_imageLocation];

return copy;
}

@end

最后编辑于：2017.12.04 07:06:36

人面猴
序言：七十年代末，一起剥皮案震惊了整个滨河市，随后出现的几起案子，更是在滨河造成了极大的恐慌，老刑警刘岩，带你破解...
沈念sama阅读 202,332评论 5赞 475
死咒
序言：滨河连续发生了三起死亡事件，死亡现场离奇诡异，居然都是意外死亡，警方通过查阅死者的电脑和手机，发现死者居然都...
沈念sama阅读 84,930评论 2赞 379
救了他两次的神仙让他今天三更去死
文/潘晓璐我一进店门，熙熙楼的掌柜王于贵愁眉苦脸地迎上来，“玉大人，你说我怎么就摊上这事。” “怎么了？”我有些...
开封第一讲书人阅读 149,204评论 0赞 335
道士缉凶录：失踪的卖姜人
文/不坏的土叔我叫张陵，是天一观的道长。经常有香客问我，道长，这世上最难降的妖魔是什么？我笑而不...
开封第一讲书人阅读 54,348评论 1赞 272
港岛之恋（遗憾婚礼）
正文为了忘掉前任，我火速办了婚礼，结果婚礼上，老公的妹妹穿的比我还像新娘。我一直安慰自己，他们只是感情好，可当我...
茶点故事阅读 63,356评论 5赞 363
恶毒庶女顶嫁案：这布局不是一般人想出来的
文/花漫我一把揭开白布。她就那样静静地躺着，像睡着了一般。火红的嫁衣衬着肌肤如雪。梳的纹丝不乱的头发上，一...
开封第一讲书人阅读 48,447评论 1赞 281
城市分裂传说
那天，我揣着相机与录音，去河边找鬼。笑死，一个胖子当着我的面吹牛，可吹牛的内容都是我干的。我是一名探鬼主播，决...
沈念sama阅读 37,862评论 3赞 394
双鸳鸯连环套：你想象不到人心有多黑
文/苍兰香墨我猛地睁开眼，长吁一口气：“原来是场噩梦啊……” “哼！你这毒妇竟也来了？” 一声冷哼从身侧响起，我...
开封第一讲书人阅读 36,516评论 0赞 256
万荣杀人案实录
序言：老挝万荣一对情侣失踪，失踪者是张志新（化名）和其女友刘颖，没想到半个月后，有当地人在树林里发现了一具尸体，经...
沈念sama阅读 40,710评论 1赞 295
护林员之死
正文独居荒郊野岭守林人离奇死亡，尸身上长有42处带血的脓包…… 初始之章·张勋以下内容为张勋视角年9月15日...
茶点故事阅读 35,518评论 2赞 318
白月光启示录
正文我和宋清朗相恋三年，在试婚纱的时候发现自己被绿了。大学时的朋友给我发了我未婚夫和他白月光在一起吃饭的照片。...
茶点故事阅读 37,582评论 1赞 329
活死人
序言：一个原本活蹦乱跳的男人离奇死亡，死状恐怖，灵堂内的尸体忽然破棺而出，到底是诈尸还是另有隐情，我是刑警宁泽，带...
沈念sama阅读 33,295评论 4赞 318
日本核电站爆炸内幕
正文年R本政府宣布，位于F岛的核电站，受9级特大地震影响，放射性物质发生泄漏。R本人自食恶果不足惜，却给世界环境...
茶点故事阅读 38,848评论 3赞 306
男人毒药：我在死后第九天来索命
文/蒙蒙一、第九天我趴在偏房一处隐蔽的房顶上张望。院中可真热闹，春花似锦、人声如沸。这庄子的主人今日做“春日...
开封第一讲书人阅读 29,881评论 0赞 19
一桩弑父案，背后竟有这般阴谋
文/苍兰香墨我抬头看了看天上的太阳。三九已至，却和暖如春，着一层夹袄步出监牢的瞬间，已是汗流浃背。一阵脚步声响...
开封第一讲书人阅读 31,121评论 1赞 259
情欲美人皮
我被黑心中介骗来泰国打工，没想到刚下飞机就差点儿被人妖公主榨干…… 1. 我叫王不留，地道东北人。一个月前我还...
沈念sama阅读 42,737评论 2赞 349
代替公主和亲
正文我出身青楼，却偏偏与公主长得像，于是被迫代替她去往敌国和亲。传闻我的和亲对象是个残疾皇子，可洞房花烛夜当晚...
茶点故事阅读 42,280评论 2赞 341

iToast copy .to be explained later or not since I haven't seen all codes inside it

import <Foundation/Foundation.h>

import <UIKit/UIKit.h>

import "iToast.h"

import <QuartzCore/QuartzCore.h>

define CURRENT_TOAST_TAG 6984678

define IOS7_OR_LATER ( [[[UIDevice currentDevice] systemVersion] compare:@"7.0"] != NSOrderedAscending )

推荐阅读更多精彩内容