/* * Copyright (c) 2010-2020 Belledonne Communications SARL. * * This file is part of linphone-iphone * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #import "UIChatBubbleTextCell.h" #import "LinphoneManager.h" #import "PhoneMainView.h" #import #import @implementation UIChatBubbleTextCell #pragma mark - Lifecycle Functions - (id)initWithIdentifier:(NSString *)identifier { if ((self = [super initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier]) != nil) { if ([identifier isEqualToString:NSStringFromClass(self.class)]) { NSArray *arrayOfViews = [[NSBundle mainBundle] loadNibNamed:NSStringFromClass(self.class) owner:self options:nil]; // resize cell to match .nib size. It is needed when resized the cell to // correctly adapt its height too UIView *sub = ((UIView *)[arrayOfViews objectAtIndex:arrayOfViews.count - 1]); [self setFrame:CGRectMake(0, 0, sub.frame.size.width, sub.frame.size.height)]; [self addSubview:sub]; } } UITapGestureRecognizer *limeRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onLime)]; limeRecognizer.numberOfTapsRequired = 1; //[_LIMEKO addGestureRecognizer:limeRecognizer]; //_LIMEKO.userInteractionEnabled = YES; UITapGestureRecognizer *resendRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onResend)]; resendRecognizer.numberOfTapsRequired = 1; [_bubbleView addGestureRecognizer:resendRecognizer]; _imdmIcon.userInteractionEnabled = YES; UITapGestureRecognizer *resendRecognizer2 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onResend)]; resendRecognizer2.numberOfTapsRequired = 1; //[_imdmLabel addGestureRecognizer:resendRecognizer2]; //_imdmLabel.userInteractionEnabled = YES; self.contentView.userInteractionEnabled = NO; return self; } - (void)dealloc { [self setEvent:NULL]; [self setChatMessageForCbs:NULL]; } #pragma mark - - (void)clearEncryptedFiles { if ([VFSUtil vfsEnabledWithGroupName:kLinphoneMsgNotificationAppGroupId]) { NSMutableDictionary *encrptedFilePaths = [LinphoneManager getMessageAppDataForKey:@"encryptedfiles" inMessage:_message]; if ([encrptedFilePaths count] > 0) { for(NSString *path in [encrptedFilePaths allValues]) { if (![path isEqualToString:@""]) { LOGW(@"[vfs]s remove item at %@",path); if ([path isEqualToString:[LinphoneManager imagesDirectory]]) { LOGE(@"[vfs] something is wrong, can not delete the cache directory"); break; } [[NSFileManager defaultManager] removeItemAtPath:path error:nil]; } } [LinphoneManager setValueInMessageAppData:NULL forKey:@"encryptedfiles" inMessage:_message]; return; } NSString *filePath = [LinphoneManager getMessageAppDataForKey:@"encryptedfile" inMessage:_message]; if (filePath) { if (![filePath isEqualToString:@""]) { NSError *error = nil; LOGW(@"[vfs] remove item at %@",filePath); if ([filePath isEqualToString:[LinphoneManager imagesDirectory]]) { LOGE(@"[vfs] something is wrong, can not delete the cache directory"); } else { [[NSFileManager defaultManager] removeItemAtPath:filePath error:&error]; if (error) { LOGI(@"clean failed %@", error.description); } } } [LinphoneManager setValueInMessageAppData:NULL forKey:@"encryptedfile" inMessage:_message]; } } } - (void)setEvent:(LinphoneEventLog *)event { if(!event) return; _event = event; if (!(linphone_event_log_get_type(event) == LinphoneEventLogTypeConferenceChatMessage)) { LOGE(@"Impossible to create a ChatBubbleText whit a non message event"); return; } [self setChatMessageForCbs:linphone_event_log_get_chat_message(event)]; } - (void)setChatMessageForCbs:(LinphoneChatMessage *)amessage { if (!amessage || amessage == _message) { return; } _message = amessage; linphone_chat_message_set_user_data(_message, (void *)CFBridgingRetain(self)); LinphoneChatMessageCbs *cbs = linphone_chat_message_get_callbacks(_message); linphone_chat_message_cbs_set_msg_state_changed(cbs, message_status); linphone_chat_message_cbs_set_participant_imdn_state_changed(cbs, participant_imdn_status); linphone_chat_message_cbs_set_user_data(cbs, (void *)_event); } + (NSString *)TextMessageForChat:(LinphoneChatMessage *)message { const char *url = linphone_chat_message_get_external_body_url(message); const LinphoneContent *last_content = linphone_chat_message_get_file_transfer_information(message); // Last message was a file transfer (image) so display a picture... if (url || last_content) { if (linphone_chat_message_get_text_content(message)) return [NSString stringWithUTF8String:linphone_chat_message_get_text_content(message)]; return @"🗻"; } else { const char *text = linphone_chat_message_get_text_content(message) ?: ""; return [NSString stringWithUTF8String:text] ?: [NSString stringWithCString:text encoding:NSASCIIStringEncoding] ?: NSLocalizedString(@"(invalid string)", nil); } } + (NSString *)ContactDateForChat:(LinphoneChatMessage *)message { const LinphoneAddress *address = linphone_chat_message_get_from_address(message) ? linphone_chat_message_get_from_address(message) : linphone_chat_room_get_peer_address(linphone_chat_message_get_chat_room(message)); return [NSString stringWithFormat:@"%@ - %@", [LinphoneUtils timeToString:linphone_chat_message_get_time(message) withFormat:LinphoneDateChatBubble], [FastAddressBook displayNameForAddress:address]]; } - (NSString *)textMessage { return [self.class TextMessageForChat:_message]; } - (void)update { if (_message == nil) { LOGW(@"Cannot update message room cell: null message"); return; } if (_messageText && ![LinphoneManager getMessageAppDataForKey:@"localvideo" inMessage:_message]) { [_messageText setHidden:FALSE]; /* We need to use an attributed string here so that data detector don't mess * with the text style. See http://stackoverflow.com/a/20669356 */ UIColor *color = [UIColor darkGrayColor]; if (@available(iOS 13,*)) { color = [UIColor secondaryLabelColor]; } NSAttributedString *attr_text = [[NSAttributedString alloc] initWithString:self.textMessage attributes:@{ NSFontAttributeName : _messageText.font, NSForegroundColorAttributeName : color }]; _messageText.attributedText = attr_text; } LinphoneChatMessageState state = linphone_chat_message_get_state(_message); BOOL outgoing = linphone_chat_message_is_outgoing(_message); _contactDateLabel.hidden = !_isFirst; if (outgoing) { _contactDateLabel.text = [LinphoneUtils timeToString:linphone_chat_message_get_time(_message) withFormat:LinphoneDateChatBubble]; _contactDateLabel.textAlignment = NSTextAlignmentRight; _avatarImage.hidden = TRUE; } else { [_avatarImage setImage:[FastAddressBook imageForAddress:linphone_chat_message_get_from_address(_message)] bordered:NO withRoundedRadius:YES]; _contactDateLabel.text = [self.class ContactDateForChat:_message]; _contactDateLabel.textAlignment = NSTextAlignmentLeft; _avatarImage.hidden = !_isFirst; } // Not use [UIImage imageNamed], it takes too much time NSString *imageName = outgoing ? @"color_A.png" : @"color_D.png"; _backgroundColorImage.image = [UIImage imageWithContentsOfFile:[NSString stringWithFormat:@"%@/%@",[[NSBundle mainBundle] bundlePath],imageName]]; // set maskedCorners if (@available(iOS 11.0, *)) { _backgroundColorImage.layer.cornerRadius = 10; if (outgoing) { _backgroundColorImage.layer.maskedCorners = kCALayerMinXMaxYCorner | kCALayerMinXMinYCorner; if (_isFirst) _backgroundColorImage.layer.maskedCorners = _backgroundColorImage.layer.maskedCorners | kCALayerMaxXMinYCorner; if (_isLast) _backgroundColorImage.layer.maskedCorners = _backgroundColorImage.layer.maskedCorners | kCALayerMaxXMaxYCorner; } else { _backgroundColorImage.layer.maskedCorners = kCALayerMaxXMinYCorner | kCALayerMaxXMaxYCorner; if (_isFirst) _backgroundColorImage.layer.maskedCorners = _backgroundColorImage.layer.maskedCorners | kCALayerMinXMinYCorner; if (_isLast) _backgroundColorImage.layer.maskedCorners = _backgroundColorImage.layer.maskedCorners | kCALayerMinXMaxYCorner; } _backgroundColorImage.layer.masksToBounds = YES; } else { // TODO it doesn't work for ios < 11.0 UIRectCorner corner; if (outgoing) { corner = UIRectCornerTopLeft | UIRectCornerBottomLeft; if (_isFirst) corner = corner | UIRectCornerTopRight; if (_isLast) corner = corner | UIRectCornerBottomRight; } else { corner = UIRectCornerTopRight | UIRectCornerBottomRight; if (_isFirst) corner = corner | UIRectCornerTopLeft; if (_isLast) corner = corner | UIRectCornerBottomLeft; } UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:_backgroundColorImage.frame byRoundingCorners:corner cornerRadii:CGSizeMake(10,10)]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; maskLayer.frame = _backgroundColorImage.frame; maskLayer.path = maskPath.CGPath; _backgroundColorImage.layer.mask = maskLayer; } // need space for dateLabel CGRect frame = _innerView.frame; frame.origin.y = _isFirst ? 20 : 0; _innerView.frame = frame; [_messageText setAccessibilityLabel:outgoing ? @"Outgoing message" : @"Incoming message"]; if (outgoing && (state == LinphoneChatMessageStateDeliveredToUser || state == LinphoneChatMessageStateDisplayed || state == LinphoneChatMessageStateNotDelivered || state == LinphoneChatMessageStateFileTransferError)) { [self displayImdmStatus:state]; } else [self displayImdmStatus:LinphoneChatMessageStateInProgress]; } - (void)setEditing:(BOOL)editing { [self setEditing:editing animated:FALSE]; } - (void)setEditing:(BOOL)editing animated:(BOOL)animated { _messageText.userInteractionEnabled = !editing; _resendRecognizer.enabled = !editing; } - (void)displayLIMEWarning { UIAlertController *errView = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"LIME warning", nil) message:NSLocalizedString(@"This message is not encrypted.", nil) preferredStyle:UIAlertControllerStyleAlert]; UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction *action){ }]; [errView addAction:defaultAction]; [PhoneMainView.instance presentViewController:errView animated:YES completion:nil]; } #pragma mark - Action Functions - (void)onDelete { if (_message != NULL) { UITableView *tableView = VIEW(ChatConversationView).tableController.tableView; NSIndexPath *indexPath = [tableView indexPathForCell:self]; [tableView.dataSource tableView:tableView commitEditingStyle:UITableViewCellEditingStyleDelete forRowAtIndexPath:indexPath]; } } - (void)onLime { /*if (!_LIMEKO.hidden) [self displayLIMEWarning];*/ } - (void)onResend { if (_message == nil || !linphone_chat_message_is_outgoing(_message)) return; LinphoneChatMessageState state = linphone_chat_message_get_state(_message); if (state != LinphoneChatMessageStateNotDelivered && state != LinphoneChatMessageStateFileTransferError) return; const bctbx_list_t *contents = linphone_chat_message_get_contents(_message); BOOL multiParts = ((linphone_chat_message_get_text_content(self.message) != NULL) ? bctbx_list_size(contents) > 2 : bctbx_list_size(contents) > 1); if (multiParts) { FileContext *newfileContext = [[FileContext alloc] init]; [newfileContext clear]; NSMutableDictionary *encrptedFilePaths = encrptedFilePaths = [LinphoneManager getMessageAppDataForKey:@"encryptedfiles" inMessage:_message]; int i; const bctbx_list_t *it; for (it = contents, i=0; it != NULL; it=bctbx_list_next(it)){ LinphoneContent *content = (LinphoneContent *)it->data; if (linphone_content_is_file_transfer(content) || linphone_content_is_file(content)){ NSString *name = [NSString stringWithUTF8String:linphone_content_get_name(content)]; NSString *filePath = [encrptedFilePaths valueForKey:name]; if (filePath == NULL) { filePath = [LinphoneManager validFilePath:name]; } [newfileContext addObject:[NSData dataWithContentsOfFile:filePath] name:name type:[NSString stringWithUTF8String:linphone_content_get_type(content)]]; } } [self onDelete]; dispatch_async(dispatch_get_main_queue(), ^ { const char *text = linphone_chat_message_get_text_content(_message); [_chatRoomDelegate resendMultiFiles:newfileContext message: text? [NSString stringWithUTF8String:text]: NULL]; }); return; } if (linphone_chat_message_get_file_transfer_information(_message) != NULL) { NSString *localImage = [LinphoneManager getMessageAppDataForKey:@"localimage" inMessage:_message]; NSString *localVideo = [LinphoneManager getMessageAppDataForKey:@"localvideo" inMessage:_message]; NSString *localFile = [LinphoneManager getMessageAppDataForKey:@"localfile" inMessage:_message]; NSString *filePath = [LinphoneManager getMessageAppDataForKey:@"encryptedfile" inMessage:self.message]; [self onDelete]; dispatch_async(dispatch_get_main_queue(), ^ { NSData *data = NULL; if (filePath) { data = [NSData dataWithContentsOfFile:filePath]; } const char *text = linphone_chat_message_get_text_content(_message); NSString *str = text ? [NSString stringWithUTF8String:text] : NULL; if (localImage) { [_chatRoomDelegate resendFile: (data?:[ChatConversationView getFileData:localImage]) withName:localImage type:@"image" key:@"localimage" message:str]; } else if (localVideo) { [_chatRoomDelegate resendFile:(data?:[ChatConversationView getFileData:localVideo]) withName:localVideo type:@"video" key:@"localvideo" message:str]; } else { [_chatRoomDelegate resendFile:(data?:[ChatConversationView getFileData:localFile]) withName:localFile type:@"image" key:@"localfile" message:str]; } }); } else { [self onDelete]; double delayInSeconds = 0.4; dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC)); dispatch_after(popTime, dispatch_get_main_queue(), ^(void) { [_chatRoomDelegate resendChat:self.textMessage withExternalUrl:nil]; }); } } #pragma mark - State changed handling static void message_status(LinphoneChatMessage *msg, LinphoneChatMessageState state) { LOGI(@"State for message [%p] changed to %s", msg, linphone_chat_message_state_to_string(state)); if (!linphone_chat_message_is_outgoing(msg) || (state != LinphoneChatMessageStateFileTransferDone && state != LinphoneChatMessageStateFileTransferInProgress)) { LinphoneEventLog *event = (LinphoneEventLog *)linphone_chat_message_cbs_get_user_data(linphone_chat_message_get_callbacks(msg)); ChatConversationView *view = VIEW(ChatConversationView); [view.tableController updateEventEntry:event]; [view.tableController scrollToBottom:true]; } } static void participant_imdn_status(LinphoneChatMessage* msg, const LinphoneParticipantImdnState *state) { ChatConversationImdnView *imdnView = VIEW(ChatConversationImdnView); [imdnView updateImdnList]; } - (void)displayImdmStatus:(LinphoneChatMessageState)state { NSString *imageName = nil; _notDelivered = FALSE; if (state == LinphoneChatMessageStateDeliveredToUser) { imageName = @"chat_delivered.png"; [_imdmIcon setHidden:FALSE]; } else if (state == LinphoneChatMessageStateDisplayed) { imageName = @"chat_read"; [_imdmIcon setHidden:FALSE]; } else if (state == LinphoneChatMessageStateNotDelivered || state == LinphoneChatMessageStateFileTransferError) { imageName = @"chat_error"; [_imdmIcon setHidden:FALSE]; _notDelivered = TRUE; } else { [_imdmIcon setHidden:TRUE]; } [_imdmIcon setImage:[UIImage imageWithContentsOfFile:[NSString stringWithFormat:@"%@/%@",[[NSBundle mainBundle] bundlePath],imageName]]]; } #pragma mark - Bubble size computing + (CGSize)computeBoundingBox:(NSString *)text size:(CGSize)size font:(UIFont *)font { if (!text || text.length == 0) return CGSizeMake(0, 0); return [text boundingRectWithSize:size options:(NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesFontLeading) attributes:@{ NSFontAttributeName : font } context:nil].size; } static const CGFloat CELL_MIN_HEIGHT = 65.0f; static const CGFloat CELL_MIN_WIDTH = 190.0f; static const CGFloat CELL_MESSAGE_X_MARGIN = 68 + 10.0f; static const CGFloat CELL_MESSAGE_Y_MARGIN = 44; + (CGSize)ViewHeightForMessage:(LinphoneChatMessage *)chat withWidth:(int)width { return [self ViewHeightForMessageText:chat withWidth:width textForImdn:nil]; } + (CGSize)ViewHeightForFile:(int)width { CGSize fileSize = CGSizeMake(230, 50); CGSize size = [self getMediaMessageSizefromOriginalSize:fileSize withWidth:width]; size.width = MAX(size.width + CELL_MESSAGE_X_MARGIN, CELL_MIN_WIDTH); size.height = MAX(size.height + CELL_MESSAGE_Y_MARGIN, CELL_MIN_HEIGHT); return size; } + (UIImage *)getImageFromContent:(LinphoneContent *)content filePath:(NSString *)filePath; { NSString *type = [NSString stringWithUTF8String:linphone_content_get_type(content)]; NSString *name = [NSString stringWithUTF8String:linphone_content_get_name(content)]; if (!filePath) { filePath = [LinphoneManager validFilePath:name]; } UIImage *image = nil; if ([type isEqualToString:@"video"]) { image = [UIChatBubbleTextCell getImageFromVideoUrl:[NSURL fileURLWithPath:filePath]]; } else if ([type isEqualToString:@"image"]) { NSData* data = [NSData dataWithContentsOfFile:filePath]; image = [[UIImage alloc] initWithData:data]; } if (image) return image; UIImage *basicImage = [ChatConversationView getBasicImage]; image = [ChatConversationView drawText:[NSString stringWithFormat:@"📎 %@",name] image:basicImage textSize:25]; return image; } + (CGSize)ViewHeightForMessageText:(LinphoneChatMessage *)chat withWidth:(int)width textForImdn:(NSString *)imdnText { NSString *messageText = [UIChatBubbleTextCell TextMessageForChat:chat]; static UIFont *messageFont = nil; if (!messageFont) { UIChatBubbleTextCell *cell = [[UIChatBubbleTextCell alloc] initWithIdentifier:NSStringFromClass(UIChatBubbleTextCell.class)]; messageFont = cell.messageText.font; } width -= CELL_IMAGE_X_MARGIN; CGSize size; const char *url = linphone_chat_message_get_external_body_url(chat); if (imdnText) { size = [self computeBoundingBox:imdnText size:CGSizeMake(width - 4, CGFLOAT_MAX) font:messageFont]; size.width = MAX(size.width + CELL_MESSAGE_X_MARGIN, CELL_MIN_WIDTH); size.height = MAX(size.height + CELL_MESSAGE_Y_MARGIN + 50, CELL_MIN_HEIGHT); return size; } CGFloat imagesw=0; CGFloat imagesh=0; CGFloat max_imagesw=0; CGFloat max_imagesh=0; const bctbx_list_t *contents = linphone_chat_message_get_contents(chat); BOOL multiParts = ((linphone_chat_message_get_text_content(chat) != NULL) ? bctbx_list_size(contents) > 2 : bctbx_list_size(contents) > 1); if (multiParts) { const bctbx_list_t *it = contents; NSMutableDictionary *encrptedFilePaths = [LinphoneManager getMessageAppDataForKey:@"encryptedfiles" inMessage:chat]; for (it = contents; it != NULL; it=bctbx_list_next(it)){ LinphoneContent *content = (LinphoneContent *)it->data; UIImage *image; if(!linphone_chat_message_is_outgoing(chat) && linphone_content_is_file_transfer(content)) { // not yet downloaded UIImage *basicImage = [ChatConversationView getBasicImage]; NSString *name = [NSString stringWithUTF8String:linphone_content_get_name(content)] ; image = [ChatConversationView drawText:name image:basicImage textSize:25]; } else if (linphone_content_is_file_transfer(content) || linphone_content_is_file(content)) { NSString *name = [NSString stringWithUTF8String:linphone_content_get_name(content)]; NSString *filePath=[encrptedFilePaths valueForKey:name]; if (filePath == NULL) { filePath = [LinphoneManager validFilePath:name]; } image = [UIChatBubbleTextCell getImageFromContent:content filePath:filePath]; } if (image) { CGSize sSize = [self getMediaMessageSizefromOriginalSize:image.size withWidth:IMAGE_DEFAULT_WIDTH]; imagesw += sSize.width; if (imagesw > width) { imagesw = sSize.width; max_imagesw = MAX(max_imagesw, imagesw); max_imagesh += imagesh; imagesh = sSize.height; } else { max_imagesw = MAX(max_imagesw, imagesw); imagesh = MAX(imagesh, sSize.height); } } } max_imagesh += imagesh; size = CGSizeMake(max_imagesw, max_imagesh); CGSize textSize = CGSizeMake(0, 0); if (![messageText isEqualToString:@"🗻"]) { textSize = [self computeBoundingBox:messageText size:CGSizeMake(max_imagesw , CGFLOAT_MAX) font:messageFont]; } // add size for message text size.height += textSize.height; size.width = MAX(textSize.width, size.width); size.width = MAX(size.width + CELL_MESSAGE_X_MARGIN, CELL_MIN_WIDTH); size.height = MAX(size.height + CELL_MESSAGE_Y_MARGIN, CELL_MIN_HEIGHT) ; return size; } LinphoneContent *fileContent = linphone_chat_message_get_file_transfer_information(chat); if (url == nil && fileContent == NULL) { size = [self computeBoundingBox:messageText size:CGSizeMake(width - CELL_MESSAGE_X_MARGIN - 4, CGFLOAT_MAX) font:messageFont]; } else { NSString *localImage = [LinphoneManager getMessageAppDataForKey:@"localimage" inMessage:chat]; NSString *localFile = [LinphoneManager getMessageAppDataForKey:@"localfile" inMessage:chat]; NSString *localVideo = [LinphoneManager getMessageAppDataForKey:@"localvideo" inMessage:chat]; NSString *filePath = [LinphoneManager getMessageAppDataForKey:@"encryptedfile" inMessage:chat]; NSString *fileName = [NSString stringWithUTF8String:linphone_content_get_name(fileContent)]; CGSize textSize = CGSizeMake(0, 0); if (![messageText isEqualToString:@"🗻"]) { textSize = [self computeBoundingBox:messageText size:CGSizeMake(width - CELL_MESSAGE_X_MARGIN - 4, CGFLOAT_MAX) font:messageFont]; size.height += textSize.height; } CGSize originalImageSize = CGSizeMake(230, 50); if (!filePath) { filePath = [LinphoneManager validFilePath:fileName]; } if (localFile) { UIImage *image = nil; NSString *type = [NSString stringWithUTF8String:linphone_content_get_type(fileContent)]; if ([type isEqualToString:@"video"]) { if ([[NSFileManager defaultManager] fileExistsAtPath: filePath]) { image = [self getImageFromVideoUrl:[NSURL fileURLWithPath:filePath]]; } else { image = [self getImageFromVideoUrl:[VIEW(ChatConversationView) getICloudFileUrl:localFile]]; } } else if ([localFile hasSuffix:@"JPG"] || [localFile hasSuffix:@"PNG"] || [localFile hasSuffix:@"jpg"] || [localFile hasSuffix:@"png"]) { if ([[NSFileManager defaultManager] fileExistsAtPath: filePath]) { NSData *data = [NSData dataWithContentsOfFile:filePath]; image = [[UIImage alloc] initWithData:data]; } else { NSData *data = [NSData dataWithContentsOfURL:[VIEW(ChatConversationView) getICloudFileUrl:localFile]]; image = [[UIImage alloc] initWithData:data]; } } else { return [self ViewHeightForFile:width]; } originalImageSize = image.size; } else { if (!localImage && !localVideo) { //We are loading the image return CGSizeMake(CELL_MIN_WIDTH + CELL_MESSAGE_X_MARGIN, CELL_MIN_HEIGHT + CELL_MESSAGE_Y_MARGIN + textSize.height + 20); } if (localImage && [[NSFileManager defaultManager] fileExistsAtPath:filePath]) { NSData* data = [NSData dataWithContentsOfFile:filePath]; UIImage *image = [[UIImage alloc] initWithData:data]; if (!image) { return [self ViewHeightForFile:width]; } originalImageSize = image.size; } else if (localVideo && [[NSFileManager defaultManager] fileExistsAtPath:filePath]) { UIImage *image = [UIChatBubbleTextCell getImageFromVideoUrl:[NSURL fileURLWithPath:filePath]]; if (!image) { return [self ViewHeightForFile:width]; } originalImageSize = image.size; } else { // support previous versions PHFetchResult *assets; if(localImage) assets = [LinphoneManager getPHAssets:localImage]; else assets = [PHAsset fetchAssetsWithLocalIdentifiers:[NSArray arrayWithObject:localVideo] options:nil]; if (![assets firstObject]) { return CGSizeMake(CELL_MIN_WIDTH, CELL_MIN_WIDTH + CELL_MESSAGE_Y_MARGIN + textSize.height); } else { PHAsset *asset = [assets firstObject]; originalImageSize = CGSizeMake([asset pixelWidth], [asset pixelHeight]); } } } size = [self getMediaMessageSizefromOriginalSize:originalImageSize withWidth:width]; // add size for message text size.height += textSize.height; size.width = MAX(textSize.width, size.width); } size.width = MAX(size.width + CELL_MESSAGE_X_MARGIN, CELL_MIN_WIDTH); size.height = MAX(size.height + CELL_MESSAGE_Y_MARGIN, CELL_MIN_HEIGHT); return size; } + (CGSize)ViewSizeForMessage:(LinphoneChatMessage *)chat withWidth:(int)width { static UIFont *dateFont = nil; static CGSize dateViewSize; if (!dateFont) { UIChatBubbleTextCell *cell = [[UIChatBubbleTextCell alloc] initWithIdentifier:NSStringFromClass(UIChatBubbleTextCell.class)]; dateFont = cell.contactDateLabel.font; dateViewSize = cell.contactDateLabel.frame.size; dateViewSize.width = CGFLOAT_MAX; } CGSize messageSize = [self ViewHeightForMessage:chat withWidth:width]; CGSize dateSize = [self computeBoundingBox:[self ContactDateForChat:chat] size:dateViewSize font:dateFont]; messageSize.width = MAX(MAX(messageSize.width, MIN(dateSize.width + CELL_MESSAGE_X_MARGIN, width)), CELL_MIN_WIDTH); messageSize.width = MAX(MAX(messageSize.width, MIN(CELL_MESSAGE_X_MARGIN, width)), CELL_MIN_WIDTH); return messageSize; } + (UIImage *)getImageFromVideoUrl:(NSURL *)url { AVURLAsset* asset = [AVURLAsset URLAssetWithURL:url options:nil]; AVAssetImageGenerator* generator = [AVAssetImageGenerator assetImageGeneratorWithAsset:asset]; generator.appliesPreferredTrackTransform = YES; return [UIImage imageWithCGImage:[generator copyCGImageAtTime:CMTimeMake(0, 1) actualTime:nil error:nil]]; } - (void)layoutSubviews { [super layoutSubviews]; if (_message != nil) { UITableView *tableView = VIEW(ChatConversationView).tableController.tableView; BOOL is_outgoing = linphone_chat_message_is_outgoing(_message); CGRect bubbleFrame = _bubbleView.frame; int available_width = self.frame.size.width; int origin_x; bubbleFrame.size = [self.class ViewSizeForMessage:_message withWidth:available_width]; if (tableView.isEditing) { origin_x = 0; } else { origin_x = (is_outgoing ? self.frame.size.width - bubbleFrame.size.width : 0); } bubbleFrame.origin.x = origin_x; _bubbleView.frame = bubbleFrame; } } + (CGSize)getMediaMessageSizefromOriginalSize:(CGSize)originalSize withWidth:(int)width { CGSize mediaSize = CGSizeMake(0, 0); int availableWidth = width; if (UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation]) || IPAD) { availableWidth = availableWidth /1.7; } int newHeight = originalSize.height; float originalAspectRatio = originalSize.width / originalSize.height; // We resize in width and crop in height if (originalSize.width > availableWidth) { newHeight = availableWidth / originalAspectRatio; } if (newHeight > availableWidth) { newHeight = availableWidth; availableWidth = newHeight * originalAspectRatio; } mediaSize.height = newHeight; mediaSize.width = MIN(availableWidth, originalSize.width); return mediaSize; } @end