代码与画画，-白红宇

代码与画画，

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发布时间：2019-06-27

本文共 14477 字，大约阅读时间需要 48 分钟。

#import "IMKChattingViewController.h"

#import "IMCelebrityCell.h"

#import "IMChatCell.h"

#import "IMBottomView.h"

#import "UIImageView+WebCache.h"

#import "IMBuyView.h"

#define naviHeight 44

#define kBottomViewHeightDefault 43

#define keyboardShow 1

#define keyboardHide 2

#define kTextViewDefaultHeight 70

#define textViewBgToTop 6

#define textViewCursorToTop 1

#define textViewHeightLimit 6

#define textViewBgAndCursor 5

typedefenum

{

allHide,

allShow,

boardShow,

boardHide,

faceViewShow,

}kFrameState;

@interfaceIMKChattingViewController ()

@end

@implementation IMKChattingViewController

{

IMBottomView *bottomView;

IMBuyView *buyView;

BOOL faceShowing;

int keyboardHeight;

BOOL hideAll;

kFrameState frameState;

NSNotification *keyboardNoti;

CGRect bottomViewFrame;

CGRect bottomInputTextViewFrame;

CGRect bottomBgViewFrame;

CGRect bottomBuyViewFrame;

}

#pragma system method

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

}

returnself;

}

- (void)viewDidLoad

{

[superviewDidLoad];

[self initData];

[selfinitVariable];

[self.tableViewreloadData];

}

-(void)viewWillAppear:(BOOL)animated

{

[superviewWillDisappear:YES];

[selfinitBottomView];

[[NSNotificationCenterdefaultCenter] addObserver:selfselector:@selector(mainSwitch:) name:UIKeyboardWillShowNotificationobject:nil];

[[NSNotificationCenterdefaultCenter] addObserver:selfselector:@selector(mainSwitch:) name:UIKeyboardWillHideNotificationobject:nil];

}

- (void)didReceiveMemoryWarning

{

[superdidReceiveMemoryWarning];

}

-(void)viewWillDisappear:(BOOL)animated

{

[superviewWillDisappear:YES];

[[NSNotificationCenterdefaultCenter]removeObserver:self];

}

#pragma network

#pragma textView delegate

- (void)textViewDidChange:(UITextView *)textView

{

CGSize contentSize = [textView sizeThatFits:CGSizeMake(textView.frame.size.width, FLT_MAX)];

if (contentSize.height > kTextViewDefaultHeight) {

contentSize.height = kTextViewDefaultHeight;

bottomView.inputTextView.scrollEnabled = YES;

}else {

bottomView.inputTextView.scrollEnabled = NO;

}

if (textView.contentSize.height > textView.frame.size.height) {

textView.contentOffset = CGPointMake(textView.contentOffset.x, textView.contentSize.height - textView.frame.size.height);

}

[selfadjustTextViewHeightBysize:contentSize];

}

-(BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString*)text

{

if ([text isEqualToString:@"\n"]) {

[textView resignFirstResponder];

return NO;

}

returnYES;

}

- (BOOL)textViewShouldBeginEditing:(UITextView *)textView

{

faceShowing = NO;

[bottomView.faceBtnsetImage:[UIImageimageNamed:@"face_icon.png"] forState:UIControlStateNormal];

returnYES;

}

- (void)textViewDidEndEditing:(UITextView *)textView

{

faceShowing = YES;

[bottomView.faceBtnsetImage:[UIImageimageNamed:@"keyboard_icon.png"] forState:UIControlStateNormal];

}

#pragma tableview delegate

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

if (indexPath.row == 0) {

static NSString *mIdentifier = @"IMCelebrityCell";

IMCelebrityCell *imCell = [tableView dequeueReusableCellWithIdentifier:mIdentifier];

if (!imCell) {

imCell = [[[UINibnibWithNibName:mIdentifier bundle:nil]instantiateWithOwner:selfoptions:nil]objectAtIndex:0];

}

return imCell;

}

static NSString *identifier = @"IMChatCell";

IMChatCell *detailCell = [tableView dequeueReusableCellWithIdentifier:identifier];

if (!detailCell) {

detailCell = [[[UINibnibWithNibName:identifier bundle:nil]instantiateWithOwner:selfoptions:nil]objectAtIndex:0];

}

MessageDetailInfo *info = [self.dataArray objectAtIndex:indexPath.row];

detailCell.info = info;

return detailCell;

}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

if (indexPath.row == 0) {

return 301;

}

CGFloat rowHeight = [IMChatCell heightForMessage:[self.dataArray objectAtIndex:indexPath.row]];

return rowHeight;

}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

returnself.dataArray.count;

}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate

{

if (scrollView.contentOffset.y < 0)

{

[selfreloadTableViewDataSource];

}

- (void)reloadTableViewDataSource

{

}

#pragma my Action

-(IBAction)keyboardAction:(id)sender

{

UIButton *btn = (UIButton *)sender;

if (btn.tag == keyboardShow) {

bottomView.inputView.hidden = YES;

bottomView.naviView.hidden = NO;

frameState = allHide;

if (![bottomView.inputTextViewisFirstResponder]) {

[self mainSwitch:keyboardNoti];

}else {

[bottomView.inputTextViewresignFirstResponder];

}

faceShowing = NO;

bottomView.boardBtn.tag = keyboardHide;

}else{

bottomView.inputView.hidden = NO;

bottomView.naviView.hidden = YES;

frameState = allShow;

[bottomView.inputTextViewbecomeFirstResponder];

bottomView.boardBtn.tag = keyboardShow;

}

#pragma initial work

-(void)initBottomView

{

bottomView = [[[UINibnibWithNibName:@"IMBottomView"bundle:Nil]instantiateWithOwner:selfoptions:Nil]objectAtIndex:0];

self.faceInputView.targetView = bottomView.inputTextView;

bottomView.frame = CGRectMake(0, self.contentView.frame.size.height - bottomView.frame.size.height, bottomView.frame.size.width, bottomView.frame.size.height);

[bottomView.boardBtnaddTarget:selfaction:@selector(keyboardAction:) forControlEvents:UIControlEventTouchUpInside];

[bottomView.faceBtnaddTarget:selfaction:@selector(faceAction:) forControlEvents:UIControlEventTouchUpInside];

bottomView.boardBtn.tag = keyboardHide;

bottomView.inputTextView.delegate = self;

[bottomView.inputBgImageViewsetImage:[[UIImageimageNamed:@"celebrity_input_bg.png"]stretchableImageWithLeftCapWidth:30topCapHeight:15]];

buyView = [[[UINibnibWithNibName:@"IMBuyView"bundle:Nil]instantiateWithOwner:selfoptions:Nil]objectAtIndex:0];

buyView.frame = CGRectMake(buyView.frame.origin.x, bottomView.frame.origin.y - buyView.frame.size.height, buyView.frame.size.width, buyView.frame.size.height);

self.tableView.frame = CGRectMake(self.tableView.frame.origin.x, self.tableView.frame.origin.y, self.tableView.frame.size.width, buyView.frame.origin.y - naviHeight);

self.tableView.backgroundColor = [UIColorblueColor];

[self.contentViewinsertSubview:bottomViewaboveSubview:self.tableView];

[self.contentViewinsertSubview:buyViewaboveSubview:self.tableView];

bottomViewFrame = bottomView.frame;

bottomBgViewFrame = bottomView.inputBgImageView.frame;

bottomBuyViewFrame = buyView.frame;

bottomInputTextViewFrame = bottomView.inputTextView.frame;

}

-(void)initData

{

if (!self.dataArray) {

self.dataArray = [NSMutableArray array];

}

for (int i = 0; i< 10; i++) {

ChatMessageInfo *info = [[ChatMessageInfoalloc]init];

info.content = @"你好";

if (i%2 == 0) {

info.messageFrom = @"wangyanan";

}else{

info.messageFrom = @"wangyanan0";

}

[self.dataArray addObject:info];

}

-(void)initVariable

{

faceShowing = NO;

hideAll = NO;

frameState = allShow;

}

#pragma faceAction

- (IBAction)faceAction:(id)sender

{

if (faceShowing) {

frameState = boardShow;

[bottomView.inputTextViewbecomeFirstResponder];

[bottomView.faceBtnsetImage:[UIImageimageNamed:@"face_icon.png"] forState:UIControlStateNormal];

}else{

frameState = boardHide;

if (![bottomView.inputTextViewisFirstResponder]) {

[self mainSwitch:keyboardNoti];

}else{

[bottomView.inputTextViewresignFirstResponder];

}

[bottomView.faceBtnsetImage:[UIImageimageNamed:@"keyboard_icon.png"] forState:UIControlStateNormal];

}

#pragma handle frame

-(void)showUpperViewFrameHandler:(NSNotification *)notification

{

keyboardNoti = notification;

CGRect _keyboardRect = [[[notification userInfo] objectForKey:_UIKeyboardFrameEndUserInfoKey] CGRectValue];

keyboardHeight = _keyboardRect.size.height;

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDelegate:self];

[UIViewsetAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

[UIViewsetAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];

bottomView.frame = CGRectMake(bottomView.frame.origin.x,bottomView.frame.origin.y - _keyboardRect.size.height, bottomView.frame.size.width, bottomView.frame.size.height);

buyView.frame = CGRectMake(buyView.frame.origin.x,bottomView.frame.origin.y - buyView.frame.size.height, buyView.frame.size.width, buyView.frame.size.height);

[UIViewcommitAnimations];

}

-(void)showTableViewFrameHandler:(NSNotification *)notification

{

CGRect _keyboardRect = [[[notification userInfo] objectForKey:_UIKeyboardFrameEndUserInfoKey] CGRectValue];

keyboardHeight = _keyboardRect.size.height;

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDelegate:self];

[UIViewsetAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

[UIViewsetAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];

self.tableView.frame = CGRectMake(self.tableView.frame.origin.x, self.tableView.frame.origin.y - _keyboardRect.size.height, self.tableView.frame.size.width, self.tableView.frame.size.height);

[selfadjustTableViewContentOffSetWhenShowboard];

[UIViewcommitAnimations];

}

-(void)showFaceViewFrameHandler:(NSNotification *)notification

{

CGRect _keyboardRect = [[[notification userInfo] objectForKey:_UIKeyboardFrameEndUserInfoKey] CGRectValue];

keyboardHeight = _keyboardRect.size.height;

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDelegate:self];

[UIViewsetAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

[UIViewsetAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];

self.faceInputView.frame = CGRectMake(0, self.contentView.frame.size.height - self.faceInputView.frame.size.height, self.faceInputView.frame.size.width, self.faceInputView.frame.size.height);

[UIViewcommitAnimations];

}

-(void)hideUpperViewFrameHandler:(NSNotification *)notification

{

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDelegate:self];

[UIViewsetAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

[UIViewsetAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];

bottomView.frame =bottomViewFrame;

bottomView.inputBgImageView.frame = bottomBgViewFrame;

buyView.frame = bottomBuyViewFrame;

bottomView.inputTextView.frame = bottomInputTextViewFrame;

bottomView.frame = CGRectMake(bottomView.frame.origin.x, self.contentView.frame.size.height - kBottomViewHeightDefault, bottomView.frame.size.width, kBottomViewHeightDefault);

buyView.frame = CGRectMake(buyView.frame.origin.x,bottomView.frame.origin.y - buyView.frame.size.height, buyView.frame.size.width, buyView.frame.size.height);

[UIViewcommitAnimations];

}

-(void)hideTableViewFrameHandler:(NSNotification *)notification

{

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDelegate:self];

[UIViewsetAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

[UIViewsetAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];

self.tableView.frame = CGRectMake(self.tableView.frame.origin.x, self.tableView.frame.origin.y + keyboardHeight, self.tableView.frame.size.width, self.tableView.frame.size.height);

[UIViewcommitAnimations];

}

-(void)hideFaceViewFrameHandler:(NSNotification *)notification

{

[UIViewbeginAnimations:nilcontext:nil];

[UIViewsetAnimationDelegate:self];

[UIViewsetAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

[UIViewsetAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]];

self.faceInputView.frame = CGRectMake(0, self.contentView.frame.size.height, self.faceInputView.frame.size.width, self.faceInputView.frame.size.height);

[UIViewcommitAnimations];

}

#pragma middle code adjust

-(void)adjustTextViewHeightBysize:(CGSize)contentSize

{

bottomView.frame = CGRectMake(bottomView.frame.origin.x, self.contentView.frame.size.height - keyboardHeight - contentSize.height - textViewBgAndCursor*2, bottomView.frame.size.width, contentSize.height + textViewBgAndCursor * 2);

CGFloat inputTextViewHeight = contentSize.height - textViewHeightLimit < 45 ? 45: (contentSize.height - textViewHeightLimit);

bottomView.inputTextView.frame = CGRectMake(bottomView.inputTextView.frame.origin.x, bottomView.inputTextView.frame.origin.y, bottomView.inputTextView.frame.size.width, inputTextViewHeight);

bottomView.inputBgImageView.frame = CGRectMake(bottomView.inputBgImageView.frame.origin.x, textViewBgToTop, bottomView.inputBgImageView.frame.size.width, contentSize.height);

buyView.frame = CGRectMake(buyView.frame.origin.x, bottomView.frame.origin.y - buyView.frame.size.height, buyView.frame.size.width, buyView.frame.size.height);

}

-(void)adjustTableViewContentOffSetWhenShowboard

{

if (self.tableView.contentSize.height > self.tableView.frame.size.height) {

}elseif(self.tableView.contentSize.height <= keyboardHeight){

self.tableView.contentInset = UIEdgeInsetsMake(keyboardHeight - (buyView.frame.size.height + bottomView.frame.size.height), self.tableView.contentInset.left, self.tableView.contentInset.bottom, self.tableView.contentInset.right);

}elseif(self.tableView.contentSize.height > keyboardHeight){

}else{

}

-(void)adjustTableViewContentOffSetWhenReceiveOrSendMessage

{

if (self.tableView.contentSize.height > self.tableView.frame.size.height) {

self.tableView.contentOffset = CGPointMake(self.tableView.contentOffset.x, self.tableView.contentSize.height - (self.contentView.frame.size.height - naviHeight - buyView.frame.size.height - bottomView.frame.size.height));