iboss-mini-ios/IBOSSmini/DKVoices/DKMessageInputView.m

//
//  DKMessageInputView.m
//  MessageDisplayExample
//
//  Created by HUAJIE-1 on 14-4-24.
//  Copyright (c) 2014年 曾宪华 开发团队(http://iyilunba.com ) 本人QQ:543413507 本人QQ群（142557668）. All rights reserved.
//

#import <QuartzCore/QuartzCore.h>
#import "DKMessageInputView.h"

#import "NSString+MessageInputView.h"
#import "DKMacro.h"
#import "DKConfigurationHelper.h"

@interface DKMessageInputView () <UITextViewDelegate>

@property (nonatomic, weak ,readwrite) UIButton *voiceChangeButton;

@property (nonatomic, weak,readwrite) UIButton *cameraButton;

@property (nonatomic, weak,readwrite   ) UIButton *holdDownButton;

@property(nonatomic,weak,readwrite )UIButton *photoButton;

@property (nonatomic, weak, readwrite) UIButton *keyboardButton;

@property (nonatomic, weak, readwrite) UIButton *positionButton;


/**
 *  是否取消錄音
 */
@property (nonatomic, assign, readwrite) BOOL isCancelled;

/**
 *  是否正在錄音
 */
@property (nonatomic, assign, readwrite) BOOL isRecording;

/**
 *  在切换语音和文本消息的时候，需要保存原本已经输入的文本，这样达到一个好的UE
 */
@property (nonatomic, copy) NSString *inputedText;

/**
 *  输入框内的所有按钮，点击事件所触发的方法
 *
 *  @param sender 被点击的按钮对象
 */
- (void)messageStyleButtonClicked:(UIButton *)sender;

/**
 *  当录音按钮被按下所触发的事件，这时候是开始录音
 */
- (void)holdDownButtonTouchDown;

/**
 *  当手指在录音按钮范围之外离开屏幕所触发的事件，这时候是取消录音
 */
- (void)holdDownButtonTouchUpOutside;

/**
 *  当手指在录音按钮范围之内离开屏幕所触发的事件，这时候是完成录音
 */
- (void)holdDownButtonTouchUpInside;

/**
 *  当手指滑动到录音按钮的范围之外所触发的事件
 */
- (void)holdDownDragOutside;

/**
 *  当手指滑动到录音按钮的范围之内所触发的时间
 */
- (void)holdDownDragInside;

#pragma mark - layout subViews UI
/**
 *  根据正常显示和高亮状态创建一个按钮对象
 *
 *  @param image   正常显示图
 *  @param hlImage 高亮显示图
 *
 *  @return 返回按钮对象
 */
- (UIButton *)createButtonWithImage:(UIImage *)image HLImage:(UIImage *)hlImage ;

/**
 *  根据输入框的样式类型配置输入框的样式和UI布局
 *
 *  @param style 输入框样式类型
 */
- (void)setupMessageInputViewBarWithStyle:(DKMessageInputViewStyle)style ;

/**
 *  配置默认参数
 */
- (void)setup ;


@end

@implementation DKMessageInputView

#pragma mark - Action

- (void)messageStyleButtonClicked:(UIButton *)sender {
    NSInteger index = sender.tag;
    switch (index) {
        case 0: {
            if ([self.delegate respondsToSelector:@selector(saveLog)]) {
                [self.delegate saveLog];
            }
            break;
        }
        case 1: {
            _voiceButton.hidden=YES;
            _switchButton.hidden=YES;
            _saveButton.hidden=NO;
          
            break;
        }
            
        default:
            break;
    }
}

- (void)holdDownButtonTouchDown {
    self.isCancelled = NO;
    self.isRecording = NO;
    if ([self.delegate respondsToSelector:@selector(prepareRecordingVoiceActionWithCompletion:)]) {
        WEAKSELF
        
        //這邊回調 return 的 YES, 或 NO, 可以讓底層知道該次錄音是否成功, 進而處理無用的 record 對象
        [self.delegate prepareRecordingVoiceActionWithCompletion:^BOOL{
            STRONGSELF
            
            //這邊要判斷回調回來的時候, 使用者是不是已經早就鬆開手了
            if (strongSelf && !strongSelf.isCancelled) {
                strongSelf.isRecording = YES;
                [strongSelf.delegate didStartRecordingVoiceAction];
                return YES;
            } else {
                return NO;
            }
        }];
    }
}

- (void)holdDownButtonTouchUpOutside {
    
    //如果已經開始錄音了, 才需要做取消的動作, 否則只要切換 isCancelled, 不讓錄音開始.
    if (self.isRecording) {
        if ([self.delegate respondsToSelector:@selector(didCancelRecordingVoiceAction)]) {
            [self.delegate didCancelRecordingVoiceAction];
        }
    } else {
        self.isCancelled = YES;
    }
}

- (void)holdDownButtonTouchUpInside {
    
    //如果已經開始錄音了, 才需要做結束的動作, 否則只要切換 isCancelled, 不讓錄音開始.
    if (self.isRecording) {
        if ([self.delegate respondsToSelector:@selector(didFinishRecordingVoiceAction)]) {
            [self.delegate didFinishRecordingVoiceAction];
        }
    } else {
        self.isCancelled = YES;
    }
}

- (void)holdDownDragOutside {
    
    //如果已經開始錄音了, 才需要做拖曳出去的動作, 否則只要切換 isCancelled, 不讓錄音開始.
    if (self.isRecording) {
        if ([self.delegate respondsToSelector:@selector(didDragOutsideAction)]) {
            [self.delegate didDragOutsideAction];
        }
    } else {
        self.isCancelled = YES;
    }
}

- (void)holdDownDragInside {
    
    //如果已經開始錄音了, 才需要做拖曳回來的動作, 否則只要切換 isCancelled, 不讓錄音開始.
    if (self.isRecording) {
        if ([self.delegate respondsToSelector:@selector(didDragInsideAction)]) {
            [self.delegate didDragInsideAction];
        }
    } else {
        self.isCancelled = YES;
    }
}

#pragma mark - layout subViews UI

- (UIButton *)createButtonWithImage:(UIImage *)image HLImage:(UIImage *)hlImage {
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, [DKMessageInputView textViewLineHeight], [DKMessageInputView textViewLineHeight])];
    if (image)
        [button setBackgroundImage:image forState:UIControlStateNormal];
    if (hlImage)
        [button setBackgroundImage:hlImage forState:UIControlStateHighlighted];
    
    return button;
}


#pragma mark - layout subViews UI

- (UIButton *)createVoiceButtonWithImage:(UIImage *)image HLImage:(UIImage *)hlImage {
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 5,200, 36)];
    button.layer.borderWidth=1;
    button.layer.borderColor=[UIColor lightGrayColor].CGColor;
    button.layer.cornerRadius=10;
//    if (image)
//        [button setBackgroundImage:image forState:UIControlStateNormal];
//    if (hlImage)
//        [button setBackgroundImage:hlImage forState:UIControlStateHighlighted];
    
    return button;
}

#pragma mark - layout subViews UI

- (UIButton *)createSaveButtonWithImage:(UIImage *)image HLImage:(UIImage *)hlImage {
   float   width =[DKMessageInputView  textViewLineHeight]*image.size.width/image.size.height;
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake((Screen_Width-width)/2, 5,width,  [DKMessageInputView  textViewLineHeight])];
    if (image)
        [button setBackgroundImage:image forState:UIControlStateNormal];
    if (hlImage)
        [button setBackgroundImage:hlImage forState:UIControlStateHighlighted];
    
    return button;
}

- (void)setupMessageInputViewBarWithStyle:(DKMessageInputViewStyle)style {
    // 配置输入工具条的样式和布局
    
    // 需要显示按钮的总宽度，包括间隔在内
    CGFloat allButtonWidth = 0.0;
    
    
    // 垂直间隔
    CGFloat verticalPadding = 5;
    
    // 输入框
    CGFloat textViewLeftMargin = ((style == DKMessageInputViewStyleFlat) ? 6.0 : 4.0);
    
    // 每个按钮统一使用的frame变量
    CGRect buttonFrame;
    
    
    // 允许发送语音
    NSString *voiceNormalImageName = [[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewVoiceNormalImageNameKey];
    if (!voiceNormalImageName) {
        voiceNormalImageName = @"keyboard";
    }
    NSString *voiceHLImageName = [[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewVoiceHLImageNameKey];
    if (!voiceHLImageName) {
        voiceHLImageName = @"keyboard";
    }
   NSString *voiceSaveImageName=@"log_save";
      _saveButton =[self createSaveButtonWithImage:[UIImage imageNamed:voiceSaveImageName] HLImage:[UIImage imageNamed:voiceSaveImageName]];
     _saveButton.tag = 0;
      [_saveButton addTarget:self action:@selector(messageStyleButtonClicked:) forControlEvents:UIControlEventTouchUpInside];
     [self addSubview:_saveButton];
    _switchButton = [self createButtonWithImage:[UIImage imageNamed:voiceNormalImageName] HLImage:[UIImage imageNamed:voiceHLImageName]];
    [_switchButton addTarget:self action:@selector(messageStyleButtonClicked:) forControlEvents:UIControlEventTouchUpInside];
    _switchButton.tag = 1;
   _switchButton.hidden=YES;

    buttonFrame = _switchButton.frame;
    buttonFrame.origin = CGPointMake(20, verticalPadding);
    _switchButton.frame = buttonFrame;
    [self addSubview:_switchButton];
    allButtonWidth += CGRectGetMaxX(buttonFrame);
    textViewLeftMargin += CGRectGetMaxX(buttonFrame);
    self.voiceChangeButton = _switchButton;
    
    
    //    // 输入框的高度和宽度
//    CGFloat width = CGRectGetWidth(self.bounds) - (allButtonWidth ? allButtonWidth : (textViewLeftMargin * 2));
    
    // 配置不同iOS SDK版本的样式
    switch (style) {
        case DKMessageInputViewStyleFlat: {
            UIColor *inputBackgroundColor = [DKConfigurationHelper appearance].messageInputViewStyle[kDKMessageInputViewBackgroundColorKey];
            NSString *inputViewBackgroundImageName = nil;
            if (!inputBackgroundColor) {
                inputViewBackgroundImageName = [[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewBackgroundImageNameKey];
                if (!inputViewBackgroundImageName) {
                    inputViewBackgroundImageName = @"input-bar-flat";
                }
            }
            
            UIColor *borderColor = [[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewBorderColorKey];
            if (!borderColor) {
                borderColor=LineBackgroundColor;
              
            }
            CGFloat borderWidth = [[[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewBorderWidthKey] floatValue];
            if (borderWidth == 0) {
                borderWidth = 0.65f;
            }
            CGFloat cornerRadius = [[[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewCornerRadiusKey] floatValue];
            if (cornerRadius == 0) {
                cornerRadius = 6.0f;
            }
            
            if (inputBackgroundColor) {
                self.backgroundColor = inputBackgroundColor;
            } else {
                self.image = [[UIImage imageNamed:inputViewBackgroundImageName] resizableImageWithCapInsets:UIEdgeInsetsMake(2.0f, 0.0f, 0.0f, 0.0f)
                                                                                               resizingMode:UIImageResizingModeTile];
            }
            break;
        }
        default:
            break;
    }
    
    // 如果是可以发送语音的，那就需要一个按钮录音的按钮，事件可以在外部添加
    
    NSString *voiceHolderImageName = [[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewVoiceHolderImageNameKey];
        voiceHolderImageName = @"voicebtn_black";
    NSString *voiceHolderHLImageName = [[DKConfigurationHelper appearance].messageInputViewStyle objectForKey:kDKMessageInputViewVoiceHolderHLImageNameKey];
    
        voiceHolderHLImageName = @"voicebtn_blackhl";
    
    UIEdgeInsets edgeInsets = UIEdgeInsetsMake(9, 9, 9, 9);
    _voiceButton = [self createVoiceButtonWithImage:DK_STRETCH_IMAGE([UIImage imageNamed:voiceHolderImageName], edgeInsets) HLImage:DK_STRETCH_IMAGE([UIImage imageNamed:voiceHolderHLImageName], edgeInsets)];
    _voiceButton.hidden=YES;
    //按住说话
    [_voiceButton setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal];
   
    [_voiceButton setTitle:@"按住说话" forState:UIControlStateNormal];
    
    [_voiceButton setTitle:@"放开发送"  forState:UIControlStateHighlighted];
    CGRect  btnFrame = CGRectMake(CGRectGetMaxX(_switchButton.frame)+30,5,Screen_Width-CGRectGetMaxX(_switchButton.frame)-60,36);
    _voiceButton.frame = btnFrame;
    _voiceButton.tag=2;
    [_voiceButton addTarget:self action:@selector(holdDownButtonTouchDown) forControlEvents:UIControlEventTouchDown];
    [_voiceButton addTarget:self action:@selector(holdDownButtonTouchUpOutside) forControlEvents:UIControlEventTouchUpOutside];
    [_voiceButton addTarget:self action:@selector(holdDownButtonTouchUpInside) forControlEvents:UIControlEventTouchUpInside];
    [_voiceButton addTarget:self action:@selector(holdDownDragOutside) forControlEvents:UIControlEventTouchDragExit];
    [_voiceButton addTarget:self action:@selector(holdDownDragInside) forControlEvents:UIControlEventTouchDragEnter];
    [self addSubview:_voiceButton];
    self.holdDownButton =_voiceButton;

}

#pragma mark - Life cycle

- (void)setup {
    // 配置自适应
    self.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin);
    self.opaque = YES;
    // 由于继承UIImageView，所以需要这个属性设置
    self.userInteractionEnabled = YES;
    _allowsPosition=YES;
    _messageInputViewStyle = DKMessageInputViewStyleFlat;
}

- (void)awakeFromNib {
     [super awakeFromNib];
    [self setup];
}

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self setup];
    }
    return self;
}

- (void)dealloc {
    self.inputedText = nil;
    
    _voiceChangeButton = nil;
    _cameraButton = nil;
    _photoButton = nil;
    _holdDownButton = nil;
    _positionButton=nil;
    _keyboardButton=nil;
}

- (void)willMoveToSuperview:(UIView *)newSuperview {
    // 当别的地方需要add的时候，就会调用这里
    if (newSuperview) {
        [self setupMessageInputViewBarWithStyle:self.messageInputViewStyle];
    }
}



+ (CGFloat)textViewLineHeight {
    return 36.0f; // for fontSize 16.0f
}

+ (CGFloat)textViewLineWidth {
    return Screen_Width-40; // for fontSize 16.0f
}


+ (CGFloat)maxLines {
    return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone) ? 3.0f : 8.0f;
}

+ (CGFloat)maDKeight {
    return ([DKMessageInputView maxLines] + 1.0f) * [DKMessageInputView textViewLineHeight];
}

@end