TIMSDK/iOS/TUIKit/TUIChat/Cell/CellData/Base/TUITextMessageCellData.m

//
//  TUITextMessageCellData.m
//  TXIMSDK_TUIKit_iOS
//
//  Created by annidyfeng on 2019/5/21.
//

#import "TUITextMessageCellData.h"
#import "TUIFaceView.h"
#import "TUICommonModel.h"
#import "TUIDefine.h"
#import "NSString+emoji.h"
#import "TUIThemeManager.h"

#ifndef CGFLOAT_CEIL
#ifdef CGFLOAT_IS_DOUBLE
#define CGFLOAT_CEIL(value) ceil(value)
#else
#define CGFLOAT_CEIL(value) ceilf(value)
#endif
#endif

@interface TUITextMessageCellData()
@property CGSize textSize;
@property CGPoint textOrigin;

@end

@implementation TUITextMessageCellData

+ (void)initialize
{
    [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(onThemeChanged) name:TUIDidApplyingThemeChangedNotfication object:nil];
}

+ (TUIMessageCellData *)getCellData:(V2TIMMessage *)message {
    TUITextMessageCellData *textData = [[TUITextMessageCellData alloc] initWithDirection:(message.isSelf ? MsgDirectionOutgoing : MsgDirectionIncoming)];
    textData.content = message.textElem.text;
    textData.reuseId = TTextMessageCell_ReuseId;
    return textData;
}

+ (NSString *)getDisplayString:(V2TIMMessage *)message {
    // 处理表情的国际化
    NSString *content = message.textElem.text;
    return content.getLocalizableStringWithFaceContent;
}

- (Class)getReplyQuoteViewDataClass
{
    return NSClassFromString(@"TUITextReplyQuoteViewData");
}

- (Class)getReplyQuoteViewClass
{
    return NSClassFromString(@"TUITextReplyQuoteView");
}


- (instancetype)initWithDirection:(TMsgDirection)direction
{
    self = [super initWithDirection:direction];
    if (self) {
        if (direction == MsgDirectionIncoming) {
            _textColor = [[self class] incommingTextColor];
            _textFont = [[self class] incommingTextFont];
            self.cellLayout = [TUIMessageCellLayout incommingTextMessageLayout];
        } else {
            _textColor = [[self class] outgoingTextColor];
            _textFont = [[self class] outgoingTextFont];
            self.cellLayout = [TUIMessageCellLayout outgoingTextMessageLayout]; 
        }
    }
    return self;
}

- (CGSize)contentSize
{
    CGRect rect = [self.attributedString boundingRectWithSize:CGSizeMake(TTextMessageCell_Text_Width_Max, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil];
    CGSize size = CGSizeMake(CGFLOAT_CEIL(rect.size.width), CGFLOAT_CEIL(rect.size.height));
    self.textSize = size;
    self.textOrigin = CGPointMake(self.cellLayout.bubbleInsets.left, self.cellLayout.bubbleInsets.top+self.bubbleTop);

    size.height += self.cellLayout.bubbleInsets.top+self.cellLayout.bubbleInsets.bottom;
    size.width += self.cellLayout.bubbleInsets.left+self.cellLayout.bubbleInsets.right;

    if (self.direction == MsgDirectionIncoming) {
//        size.width = MAX(size.width, [TUIBubbleMessageCellData incommingBubble].size.width);
        size.height = MAX(size.height, [TUIBubbleMessageCellData incommingBubble].size.height);
    } else {
//        size.width = MAX(size.width, [TUIBubbleMessageCellData outgoingBubble].size.width);
        size.height = MAX(size.height, [TUIBubbleMessageCellData outgoingBubble].size.height);
    }

    return size;
}

- (NSMutableAttributedString *)attributedString
{
    if (!_attributedString) {
        _emojiLocations = [NSMutableArray array];
        _attributedString = [self.content getFormatEmojiStringWithFont:self.textFont emojiLocations:_emojiLocations];
        // 音视频通话消息需要加上对应图标
        if (self.isAudioCall || self.isVideoCall) {
            NSTextAttachment *attchment = [[NSTextAttachment alloc] init];
            UIImage *image = nil;
            if (self.isAudioCall) {
                image = [UIImage d_imagePath:TUIChatImagePath(@"audio_call")];
            }
            if (self.isVideoCall) {
                if (self.innerMessage.isSelf) {
                    image = [UIImage d_imagePath:TUIChatImagePath(@"video_call_self")];
                } else {
                    image = [UIImage d_imagePath:TUIChatImagePath(@"video_call")];
                }
            }
            attchment.image = image;
            attchment.bounds = CGRectMake(0, -(self.textFont.lineHeight-self.textFont.pointSize)/2, self.textFont.pointSize, self.textFont.pointSize);
            NSAttributedString *imageString = [NSAttributedString attributedStringWithAttachment:(NSTextAttachment *)(attchment)];
            NSAttributedString *spaceString = [[NSAttributedString alloc] initWithString:@" " attributes:@{NSFontAttributeName: self.textFont}];
            if (self.innerMessage.isSelf) {
                [_attributedString appendAttributedString:spaceString];
                [_attributedString appendAttributedString:imageString];
            } else {
                [_attributedString insertAttributedString:spaceString atIndex:0];
                [_attributedString insertAttributedString:imageString atIndex:0];
            }
        }
    }
    return _attributedString;
}

static UIColor *sOutgoingTextColor;

+ (UIColor *)outgoingTextColor
{
    if (!sOutgoingTextColor) {
        sOutgoingTextColor = TUIChatDynamicColor(@"chat_text_message_send_text_color", @"#000000");
    }
    return sOutgoingTextColor;
}

+ (void)setOutgoingTextColor:(UIColor *)outgoingTextColor
{
    sOutgoingTextColor = outgoingTextColor;
}

static UIFont *sOutgoingTextFont;

+ (UIFont *)outgoingTextFont
{
    if (!sOutgoingTextFont) {
        sOutgoingTextFont = [UIFont systemFontOfSize:16];
    }
    return sOutgoingTextFont;
}

+ (void)setOutgoingTextFont:(UIFont *)outgoingTextFont
{
    sOutgoingTextFont = outgoingTextFont;
}

static UIColor *sIncommingTextColor;

+ (UIColor *)incommingTextColor
{
    if (!sIncommingTextColor) {
        sIncommingTextColor = TUIChatDynamicColor(@"chat_text_message_receive_text_color", @"#000000");
    }
    return sIncommingTextColor;
}

+ (void)setIncommingTextColor:(UIColor *)incommingTextColor
{
    sIncommingTextColor = incommingTextColor;
}

static UIFont *sIncommingTextFont;

+ (UIFont *)incommingTextFont
{
    if (!sIncommingTextFont) {
        sIncommingTextFont = [UIFont systemFontOfSize:16];
    }
    return sIncommingTextFont;
}

+ (void)setIncommingTextFont:(UIFont *)incommingTextFont
{
    sIncommingTextFont = incommingTextFont;
}

+ (void)onThemeChanged
{
    sOutgoingTextColor = nil;
    sIncommingTextColor = nil;
}

@end