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

/*

iToast.h

MIT LICENSE

Copyright (c) 2012 Guru Software

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.

Copyright (c) 2014年 timliu: [email protected] . All rights reserved.
*/

import

import

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{

}

@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

Copyright (c) 2011 Guru Software

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.

Copyright (c) 2014年 timliu: [email protected] . All rights reserved.
*/

import "iToast.h"

import

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