// // ChatBottomBarView.m // BuguLive // // Created by 朱庆彬 on 2017/8/15. // Copyright © 2017年 xfg. All rights reserved. // #import "ChatBottomBarView.h" @interface ChatBottomBarView () @end @implementation ChatBottomBarView - (instancetype)initWithFrame:(CGRect)frame { if (self = [super initWithFrame:frame]) { self.chatBarViewHeight = kChatBarViewHeight; self.moreView.hidden = YES; [self setup]; } return self; } - (void)setupConstraints { CGFloat offset = 5; [self.inputBarBackgroundView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.and.right.and.top.mas_equalTo(self); make.bottom.mas_equalTo(self).priorityLow().offset(-MG_BOTTOM_MARGIN); }]; [self.voiceButton mas_makeConstraints:^(MASConstraintMaker *make) { make.left.equalTo(self.inputBarBackgroundView.mas_left).with.offset(offset); make.bottom.equalTo(self.inputBarBackgroundView.mas_bottom).with.offset(-kChatBarBottomOffset); make.width.equalTo(self.voiceButton.mas_height); }]; [self.moreButton mas_makeConstraints:^(MASConstraintMaker *make) { make.right.equalTo(self.inputBarBackgroundView.mas_right).with.offset(-offset); make.bottom.equalTo(self.inputBarBackgroundView.mas_bottom).with.offset(-kChatBarBottomOffset); make.width.equalTo(self.moreButton.mas_height); }]; [self.faceButton mas_makeConstraints:^(MASConstraintMaker *make) { make.right.equalTo(self.moreButton.mas_left).with.offset(-offset); make.bottom.equalTo(self.inputBarBackgroundView.mas_bottom).with.offset(-kChatBarBottomOffset); make.width.equalTo(self.faceButton.mas_height); }]; [self.textView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.equalTo(self.voiceButton.mas_right).with.offset(offset); make.right.equalTo(self.faceButton.mas_left).with.offset(-offset); make.top.equalTo(self.inputBarBackgroundView).with.offset(kChatBarTextViewBottomOffset); make.bottom.equalTo(self.inputBarBackgroundView).with.offset(-kChatBarTextViewBottomOffset); make.height.mas_greaterThanOrEqualTo(kChatBarTextViewFrameMinHeight); }]; CGFloat voiceRecordButtonInsets = 0.f; [self.voiceRecordButton mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.mas_equalTo(self.textView).insets(UIEdgeInsetsMake(voiceRecordButtonInsets, voiceRecordButtonInsets, voiceRecordButtonInsets, voiceRecordButtonInsets)); }]; // [self.emojiView mas_makeConstraints:^(MASConstraintMaker *make) { // make.width.and.left.mas_equalTo(self); // make.height.mas_equalTo(self.chatBarViewHeight); // make.top.mas_equalTo(self.mas_bottom); // }]; // [self.moreView mas_makeConstraints:^(MASConstraintMaker *make) { // make.width.and.left.mas_equalTo(self); // make.height.mas_equalTo(self.chatBarViewHeight); // make.top.mas_equalTo(self.mas_bottom); // }]; // [self.maskView mas_makeConstraints:^(MASConstraintMaker *make) { // make.left.and.right.and.top.mas_equalTo(self); // make.bottom.mas_equalTo(self).priorityLow(); // }]; } - (UIView *)inputBarBackgroundView { if (_inputBarBackgroundView == nil) { UIView *inputBarBackgroundView = [[UIView alloc] init]; inputBarBackgroundView.backgroundColor = kBlueColor; _inputBarBackgroundView = inputBarBackgroundView; } return _inputBarBackgroundView; } - (UIView *)maskView { if (_maskView == nil) { _maskView = [[UIView alloc] init]; UITapGestureRecognizer *maskTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(maskTapAction:)]; [_maskView addGestureRecognizer:maskTap]; } return _maskView; } - (void)setup { self.oldTextViewHeight = kChatBarTextViewFrameMinHeight; [self addSubview:self.inputBarBackgroundView]; [self.inputBarBackgroundView setBackgroundColor:RGBA(232, 233, 235, 1)]; [self.inputBarBackgroundView addSubview:self.voiceButton]; [self.inputBarBackgroundView addSubview:self.moreButton]; [self.inputBarBackgroundView addSubview:self.faceButton]; [self.inputBarBackgroundView addSubview:self.textView]; [self.inputBarBackgroundView addSubview:self.voiceRecordButton]; UIImageView *topLine = [[UIImageView alloc] init]; topLine.backgroundColor = [UIColor colorWithRed:0.788 green:0.792 blue:0.804 alpha:1.000]; [self.inputBarBackgroundView addSubview:topLine]; [topLine mas_makeConstraints:^(MASConstraintMaker *make) { make.left.and.right.and.top.equalTo(self.inputBarBackgroundView); make.height.mas_equalTo(.5f); }]; // [self addSubview:_maskView]; [self setupConstraints]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; } - (ChatBarTextView *)textView { if (!_textView) { _textView = [[ChatBarTextView alloc] init]; _textView.font = [UIFont systemFontOfSize:16.0f]; _textView.delegate = self; _textView.layer.cornerRadius = 4.0f; _textView.textColor = [BGUtils colorWithHexString:@"333333"]; _textView.backgroundColor = [UIColor whiteColor]; _textView.layer.borderColor = [UIColor colorWithRed:0.788 green:0.792 blue:0.804 alpha:1.000].CGColor; _textView.returnKeyType = UIReturnKeySend; _textView.layer.borderWidth = 1.0f; _textView.layer.cornerRadius = 3.0f; _textView.layer.masksToBounds = YES; _textView.scrollsToTop = NO; } return _textView; } - (UIButton *)voiceButton { if (!_voiceButton) { _voiceButton = [UIButton buttonWithType:UIButtonTypeCustom]; _voiceButton.tag = FWChatBarShowTypeVoice; [_voiceButton setTitleColor:kAppGrayColor1 forState:UIControlStateNormal]; [_voiceButton setTitleColor:kAppGrayColor4 forState:UIControlStateHighlighted]; [_voiceButton setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"ToolViewInputVoice"]] forState:UIControlStateNormal]; [_voiceButton setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"ToolViewKeyboard"]] forState:UIControlStateSelected]; [_voiceButton addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; [_voiceButton sizeToFit]; } return _voiceButton; } - (UIButton *)voiceRecordButton { if (!_voiceRecordButton) { _voiceRecordButton = [UIButton buttonWithType:UIButtonTypeCustom]; _voiceRecordButton.hidden = YES; _voiceRecordButton.frame = _textView.bounds; _voiceRecordButton.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; [_voiceRecordButton setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal]; // UIEdgeInsets edgeInsets = UIEdgeInsetsMake(9, 9, 9, 9); // UIImage *voiceRecordButtonNormalBackgroundImage = [[UIImage imageNamed:@""] resizableImageWithCapInsets:edgeInsets resizingMode:UIImageResizingModeStretch]; // UIImage *voiceRecordButtonHighlightedBackgroundImage = [[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"VoiceBtn_BlackHL"]] resizableImageWithCapInsets:edgeInsets resizingMode:UIImageResizingModeStretch]; [_voiceRecordButton setBackgroundImage:[self createImageWithColor:RGBA(232, 233, 235, 0.5)] forState:UIControlStateNormal]; [_voiceRecordButton setBackgroundImage:[self createImageWithColor:[UIColor clearColor]] forState:UIControlStateSelected]; _voiceRecordButton.titleLabel.font = [UIFont systemFontOfSize:14.0f]; [_voiceRecordButton setTitle:ASLocalizedString(@"按住 说话")forState:UIControlStateNormal]; [_voiceRecordButton setTitle:ASLocalizedString(@"松开 结束")forState:UIControlStateHighlighted]; _voiceRecordButton.layer.borderColor = [UIColor colorWithRed:0.788 green:0.792 blue:0.804 alpha:1.000].CGColor; _voiceRecordButton.layer.borderWidth = 1.0f; _voiceRecordButton.layer.cornerRadius = 3.0f; [_voiceRecordButton.layer setMasksToBounds:YES]; } return _voiceRecordButton; } - (UIButton *)moreButton { if (!_moreButton) { _moreButton = [UIButton buttonWithType:UIButtonTypeCustom]; _moreButton.tag = FWChatBarShowTypeMore; [_moreButton setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"TypeSelectorBtn_Black"]] forState:UIControlStateNormal]; [_moreButton setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"TypeSelectorBtnHL_Black"]] forState:UIControlStateSelected]; [_moreButton addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; [_moreButton sizeToFit]; } return _moreButton; } - (UIButton *)faceButton { if (!_faceButton) { _faceButton = [UIButton buttonWithType:UIButtonTypeCustom]; _faceButton.tag = FWChatBarShowTypeFace; [_faceButton setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"ToolViewEmotion"]] forState:UIControlStateNormal]; [_faceButton setBackgroundImage:[UIImage imageNamed:[NSString stringWithFormat:@"face.bundle/%@", @"ToolViewKeyboard"]] forState:UIControlStateSelected]; [_faceButton addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; [_faceButton sizeToFit]; } return _faceButton; } - (UIView *)faceView { if (!_faceView) { UIView *faceView = [[UIView alloc] init]; faceView.hidden = YES; faceView.backgroundColor = [UIColor whiteColor]; [self addSubview:(_faceView = faceView)]; } return _faceView; } - (ChatMoreView *)moreView { if (!_moreView) { ChatMoreView *moreView = [[ChatMoreView alloc] init]; moreView.hidden = YES; moreView.backgroundColor = [UIColor whiteColor]; _moreView = moreView; // [self addSubview:(_moreView = moreView)]; } return _moreView; } - (ChatEmojiView *)emojiView { if (!_emojiView) { ChatEmojiView *emojiView = [[ChatEmojiView alloc] init]; // WithFrame:CGRectMake(0, 0, kScreenW, self.chatBarViewHeight)]; emojiView.hidden = YES; emojiView.backgroundColor = [UIColor whiteColor]; _emojiView = emojiView; // [self addSubview:(_emojiView = emojiView)]; } return _emojiView; } - (void)buttonAction:(UIButton *)button { FWChatBarShowType showType = button.tag; //更改对应按钮的状态 if (button == self.faceButton) { [self.faceButton setSelected:!self.faceButton.selected]; [self.moreButton setSelected:NO]; [self.voiceButton setSelected:NO]; } else if (button == self.moreButton) { [self.faceButton setSelected:NO]; [self.moreButton setSelected:!self.moreButton.selected]; [self.voiceButton setSelected:NO]; } else if (button == self.voiceButton) { [self.faceButton setSelected:NO]; [self.moreButton setSelected:NO]; [self.voiceButton setSelected:!self.voiceButton.selected]; } if (!button.selected) { showType = FWChatBarShowTypeNothing; } if (!button.selected && button == self.voiceButton) { showType = FWChatBarShowTypeKeyboard; [self beginInputing]; } self.showType = showType; } - (void)beginInputing { [self.textView becomeFirstResponder]; } - (void)setShowType:(FWChatBarShowType)showType { if (_showType == showType) { return; } _showType = showType; //显示对应的View [self showMoreView:showType == FWChatBarShowTypeMore && self.moreButton.selected]; [self showVoiceView:showType == FWChatBarShowTypeVoice && self.voiceButton.selected]; [self showFaceView:showType == FWChatBarShowTypeFace && self.faceButton.selected]; switch (showType) { case FWChatBarShowTypeNothing: { [self.faceButton setSelected:NO]; [self.moreButton setSelected:NO]; [self.textView resignFirstResponder]; } break; case FWChatBarShowTypeVoice: { self.textView.text = nil; [self.textView resignFirstResponder]; } break; case FWChatBarShowTypeMore: { [self.textView resignFirstResponder]; } break; case FWChatBarShowTypeFace: { [self.textView resignFirstResponder]; } break; case FWChatBarShowTypeKeyboard: [self.faceButton setSelected:NO]; [self.moreButton setSelected:NO]; break; } if (self.emojiView.hidden && self.moreView.hidden) { [self.inputBarBackgroundView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.and.right.and.top.mas_equalTo(self); make.bottom.mas_equalTo(self).priorityLow().offset(-MG_BOTTOM_MARGIN); }]; } [self updateChatBarConstraintsIfNeeded]; } - (void)showVoiceView:(BOOL)show { self.voiceButton.selected = show; self.voiceRecordButton.selected = show; self.voiceRecordButton.hidden = !show; self.textView.hidden = !self.voiceRecordButton.hidden; } - (void)showFaceView:(BOOL)show { if (show) { [self.emojiView show:self.superview]; self.emojiView.frame = CGRectMake(0, 0, kScreenW, kScreenH); self.showType = FWChatBarShowTypeFace; [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { make.bottom.mas_equalTo(-_chatBarViewHeight-MG_BOTTOM_MARGIN); }]; } else if (self.emojiView.superview) { self.emojiView.hidden = YES; // [self.emojiView mas_remakeConstraints:^(MASConstraintMaker *make) { // make.width.and.left.mas_equalTo(self); // make.height.mas_equalTo(self.chatBarViewHeight); // make.top.mas_equalTo(self.mas_bottom); // }]; [self.emojiView layoutIfNeeded]; [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { make.bottom.mas_equalTo(-MG_BOTTOM_MARGIN); }]; } [self updateChatBarKeyBoardConstraints]; } - (void)showMoreView:(BOOL)show { if (show) { if (self.moreView.subviews.count < 2) { [self.moreView initWithBtnArray:self.moreListArr]; self.moreView.delegate = self; } self.moreView.hidden = NO; // self.moreView.backgroundColor = kRedColor; [self.moreView show:self.superview]; [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { make.bottom.mas_equalTo(-_chatBarViewHeight-MG_BOTTOM_MARGIN); }]; // [UIView animateWithDuration:0.25f // animations:^{ // [self.moreView mas_updateConstraints:^(MASConstraintMaker *make) { // make.top.mas_equalTo(self.superview.mas_bottom).offset(-self.chatBarViewHeight - MG_BOTTOM_MARGIN); // }]; // [self.moreView layoutIfNeeded]; // } // completion:nil]; // [self.moreView mas_updateConstraints:^(MASConstraintMaker *make) { // make.top.mas_equalTo(self.inputBarBackgroundView.mas_bottom); // }]; } else if (self.moreView.superview) { self.moreView.hidden = YES; // [self.moreView mas_remakeConstraints:^(MASConstraintMaker *make) { // make.width.and.left.mas_equalTo(self); // make.height.mas_equalTo(kChatOtherViewHight); // make.top.mas_equalTo(self.mas_bottom).offset(0); // make.bottom.mas_equalTo(self).priorityLow().offset(-MG_BOTTOM_MARGIN); // }]; [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { make.bottom.mas_equalTo(-MG_BOTTOM_MARGIN); }]; // [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { // make.bottom.mas_equalTo(self).priorityLow().offset(-MG_BOTTOM_MARGIN); // }]; [self.moreView layoutIfNeeded]; } [self updateChatBarKeyBoardConstraints]; } #pragma mark - chat More View Delegate - (void)chatMoreViewButton:(NSInteger)btnIndex { if (self.delegate && [self.delegate respondsToSelector:@selector(chatMoreViewButton:)]) { [self.delegate chatMoreViewButton:btnIndex]; } } -(void)clickHide{ // if (self.delegate && [self.delegate respondsToSelector:@selector(clickHide)]) { // [self.delegate clickHide]; // } self.showType = FWChatBarShowTypeNothing; } - (void)updateChatBarConstraintsIfNeeded { BOOL shouldCacheText = NO; BOOL shouldScrollToBottom = YES; FWChatBarShowType chatBarShowType = self.showType; switch (chatBarShowType) { case FWChatBarShowTypeNothing: { shouldScrollToBottom = NO; shouldCacheText = YES; } break; case FWChatBarShowTypeFace: case FWChatBarShowTypeMore: case FWChatBarShowTypeKeyboard: { shouldCacheText = YES; [self updateChatBarConstraintsIfNeededShouldCacheText:shouldCacheText]; } break; case FWChatBarShowTypeVoice: shouldCacheText = NO; break; } [self chatBarFrameDidChangeShouldScrollToBottom:self.keyboardSize.height showType:chatBarShowType showAnimationTime:_animationDuration]; } - (void)updateChatBarConstraintsIfNeededShouldCacheText:(BOOL)shouldCacheText { [self textViewDidChange:self.textView shouldCacheText:shouldCacheText]; } #pragma mark - UITextViewDelegate - (BOOL)textView:(ChatBarTextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text { if (range.location == [textView.text length]) { self.allowTextViewContentOffset = YES; } else { self.allowTextViewContentOffset = NO; } if ([text isEqualToString:@"\n"]) { [self sendTextMessage:textView.text]; return NO; } else if (text.length == 0) { } else if ([text isEqualToString:@"@"]) { } return YES; } - (void)textViewDidChange:(ChatBarTextView *)textView { [self textViewDidChange:textView shouldCacheText:YES]; } - (BOOL)textView:(ChatBarTextView *)textView shouldChangeTextInRange:(NSRange)range deleteBatchOfTextWithPrefix:(NSString *)prefix suffix:(NSString *)suffix { NSString *substringOfText = [textView.text substringWithRange:range]; if ([substringOfText isEqualToString:suffix]) { NSUInteger location = range.location; NSUInteger length = range.length; NSString *subText; while (YES) { if (location == 0) { return YES; } location--; length++; subText = [textView.text substringWithRange:NSMakeRange(location, length)]; if (([subText hasPrefix:prefix] && [subText hasSuffix:suffix])) { //这里注意，批量删除的字符串，除了前缀和后缀，中间不能有空格出现 NSString *string = [textView.text substringWithRange:NSMakeRange(location, length - 1)]; if (![string containsString:@" "]) { break; } } } textView.text = [textView.text stringByReplacingCharactersInRange:NSMakeRange(location, length) withString:@""]; [textView setSelectedRange:NSMakeRange(location, 0)]; [self textViewDidChange:self.textView]; return NO; } return YES; } - (BOOL)textViewShouldBeginEditing:(UITextView *)textView { self.faceButton.selected = self.moreButton.selected = self.voiceButton.selected = NO; [self showFaceView:NO]; [self showMoreView:NO]; [self showVoiceView:NO]; return YES; } /** * 发送普通的文本信息,通知代理 * * @param text 发送的文本信息 */ - (void)sendTextMessage:(NSString *)text { if (!text || text.length == 0 || [text isEmpty]) { return; } if (self.delegate && [self.delegate respondsToSelector:@selector(chatBar:sendMessage:)]) { [self.delegate chatBar:self sendMessage:text]; } self.textView.text = @""; //self.cachedText = @""; self.showType = FWChatBarShowTypeKeyboard; } - (void)maskTapAction:(id)tap { [FanweMessage alert:ASLocalizedString(@"无私信权限，请联系客服")]; } #pragma mark - Private Methods - (void)keyboardWillHide:(NSNotification *)notification { if (self.isClosed) { return; } self.keyboardSize = CGSizeZero; if (_showType == FWChatBarShowTypeKeyboard) { _showType = FWChatBarShowTypeNothing; } self.isShowKeyBoard = NO; [self updateChatBarKeyBoardConstraints]; [self updateChatBarConstraintsIfNeeded]; } - (void)keyboardWillShow:(NSNotification *)notification { if (self.isClosed) { return; } CGFloat oldHeight = self.keyboardSize.height; self.keyboardSize = [[notification.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size; //兼容搜狗输入法：一次键盘事件会通知两次，且键盘高度不一。 if (self.keyboardSize.height != oldHeight) { _showType = FWChatBarShowTypeNothing; } if (self.keyboardSize.height == 0) { _showType = FWChatBarShowTypeNothing; return; } // 获取键盘弹出动画时间 _animationDuration = [notification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue]; self.allowTextViewContentOffset = YES; self.isShowKeyBoard = YES; [self updateChatBarKeyBoardConstraints]; self.showType = FWChatBarShowTypeKeyboard; } - (void)updateChatBarKeyBoardConstraints { if (!_mbhalf) { CGFloat showKeyBoardBottom = MG_BOTTOM_MARGIN; if (self.isShowKeyBoard) { showKeyBoardBottom = MG_BOTTOM_MARGIN + 10; } // if (_showType == FWChatBarShowTypeKeyboard) { [self mas_updateConstraints:^(MASConstraintMaker *make) { make.bottom.mas_equalTo(-self.keyboardSize.height + showKeyBoardBottom); }]; // }else{ // [self mas_updateConstraints:^(MASConstraintMaker *make) { // make.height.mas_equalTo( self.emojiView.height); // make.bottom.mas_equalTo(self).priorityHigh().offset(-MG_BOTTOM_MARGIN); // }]; // [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { // make.height.mas_equalTo(kChatBarTextViewFrameMaxHeight); // }]; // // } // [self.inputBarBackgroundView mas_updateConstraints:^(MASConstraintMaker *make) { // make.bottom.mas_equalTo(-self.keyboardSize.height + showKeyBoardBottom); // }]; // } // if (!isIPhoneX()) { // showKeyBoardBottom = showKeyBoardBottom; // } [UIView animateWithDuration:_animationDuration/4 animations:^{ [self layoutIfNeeded]; } completion:nil]; } } /*! * updateChatBarConstraintsIfNeeded: WhenTextViewHeightDidChanged * 只要文本修改了就会调用，特殊情况，也会调用：刚刚进入对话追加草稿、键盘类型切换、添加表情信息 */ - (void)textViewDidChange:(ChatBarTextView *)textView shouldCacheText:(BOOL)shouldCacheText { if (shouldCacheText) { } CGRect textViewFrame = self.textView.frame; CGSize textSize = [self.textView sizeThatFits:CGSizeMake(CGRectGetWidth(textViewFrame), 1000.0f)]; // from iOS 7, the content size will be accurate only if the scrolling is enabled. textView.scrollEnabled = (textSize.height > kChatBarTextViewFrameMinHeight); // textView 控件的高度在 kChatBarTextViewFrameMinHeight 和 kChatBarMaxHeight-offset 之间 CGFloat newTextViewHeight = MAX(kChatBarTextViewFrameMinHeight, MIN(kChatBarTextViewFrameMaxHeight, textSize.height)); BOOL textViewHeightChanged = (self.oldTextViewHeight != newTextViewHeight); if (textViewHeightChanged) { //FIXME:如果有草稿，且超出了最低高度，会产生约束警告。 NSLog(@"%f,,,,,new%f",self.oldTextViewHeight,newTextViewHeight) self.oldTextViewHeight = newTextViewHeight; [self.textView mas_updateConstraints:^(MASConstraintMaker *make) { CGFloat height = newTextViewHeight; make.height.mas_equalTo(height); }]; //[self chatBarFrameDidChangeShouldScrollToBottom:0.0f showType:self.showType showAnimationTime:0.0f]; } void (^setContentOffBlock)() = ^() { if (textView.scrollEnabled && self.allowTextViewContentOffset) { if (newTextViewHeight == kChatBarTextViewFrameMaxHeight) { [textView setContentOffset:CGPointMake(0, textView.contentSize.height - newTextViewHeight) animated:YES]; } else { [textView setContentOffset:CGPointZero animated:YES]; } } }; dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.01 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ setContentOffBlock(); }); } #pragma mark - FWChatFaceViewDelegate - (void)faceViewSendFace:(NSString *)faceName { if ([faceName isEqualToString:ASLocalizedString(@"[删除]")]) { [self textView:self.textView shouldChangeTextInRange:NSMakeRange(self.textView.text.length - 1, 1) replacementText:@""]; } else if ([faceName isEqualToString:ASLocalizedString(@"发送")]) { NSString *text = self.textView.text; if (!text || text.length == 0) { return; } if (self.delegate && [self.delegate respondsToSelector:@selector(chatBar:sendMessage:)]) { [self.delegate chatBar:self sendMessage:text]; } self.textView.text = @""; self.showType = FWChatBarShowTypeFace; } else { [self appendString:faceName beginInputing:NO]; } } - (void)appendString:(NSString *)string beginInputing:(BOOL)beginInputing { self.allowTextViewContentOffset = YES; if (self.textView.text.length > 0 && [string hasPrefix:@"@"] && ![self.textView.text hasSuffix:@" "]) { self.textView.text = [self.textView.text stringByAppendingString:@" "]; } NSString *textViewText; NSString *appendedString = [textViewText stringByAppendingString:string]; self.textView.text = appendedString; if (beginInputing && self.keyboardSize.height == 0) { [self beginInputing]; } else { [self updateChatBarConstraintsIfNeeded]; } } - (void)chatBarFrameDidChangeShouldScrollToBottom:(CGFloat)keyBoardHeight showType:(FWChatBarShowType)showType showAnimationTime:(CGFloat)showAnimationTime { if (self.delegate && [self.delegate respondsToSelector:@selector(chatBarFrameDidChange:shouldScrollToBottom:showType:showAnimationTime:)]) { [self.delegate chatBarFrameDidChange:self shouldScrollToBottom:keyBoardHeight showType:showType showAnimationTime:showAnimationTime]; } } - (void)hideChatBottomBar { self.moreView.hidden = YES; self.showType = FWChatBarShowTypeNothing; [self mas_updateConstraints:^(MASConstraintMaker *make) { make.bottom.mas_equalTo(0); }]; [self chatBarFrameDidChangeShouldScrollToBottom:0.0f showType:self.showType showAnimationTime:0.0f]; } #pragma mark - 根据颜色获取图片 - (UIImage *)createImageWithColor:(UIColor *)color { //图片尺寸 CGRect rect = CGRectMake(0, 0, 10, 10); //填充画笔 UIGraphicsBeginImageContext(rect.size); //根据所传颜色绘制 CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, color.CGColor); //显示区域 CGContextFillRect(context, rect); // 得到图片信息 UIImage * image = UIGraphicsGetImageFromCurrentImageContext(); //消除画笔 UIGraphicsEndImageContext(); return image; } @end