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Merge MatrixKit develop with commit hash: b85b736313bec0592bd1cabc68035d97f5331137
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SBiOSoftWhare
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/*
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Copyright 2015 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "MXKRoomBubbleCellDataWithAppendingMode.h"
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static NSAttributedString *messageSeparator = nil;
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@implementation MXKRoomBubbleCellDataWithAppendingMode
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#pragma mark - MXKRoomBubbleCellDataStoring
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- (instancetype)initWithEvent:(MXEvent *)event andRoomState:(MXRoomState *)roomState andRoomDataSource:(MXKRoomDataSource *)roomDataSource2
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{
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self = [super initWithEvent:event andRoomState:roomState andRoomDataSource:roomDataSource2];
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if (self)
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{
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// Set default settings
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self.maxComponentCount = 10;
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}
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return self;
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}
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- (BOOL)addEvent:(MXEvent*)event andRoomState:(MXRoomState*)roomState
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{
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// We group together text messages from the same user (attachments are not merged).
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if ([event.sender isEqualToString:self.senderId] && (self.attachment == nil) && (self.bubbleComponents.count < self.maxComponentCount))
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{
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// Attachments (image, video, sticker ...) cannot be added here
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if ([roomDataSource.eventFormatter isSupportedAttachment:event])
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{
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return NO;
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}
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// Check sender information
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NSString *eventSenderName = [roomDataSource.eventFormatter senderDisplayNameForEvent:event withRoomState:roomState];
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NSString *eventSenderAvatar = [roomDataSource.eventFormatter senderAvatarUrlForEvent:event withRoomState:roomState];
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if ((self.senderDisplayName || eventSenderName) &&
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([self.senderDisplayName isEqualToString:eventSenderName] == NO))
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{
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return NO;
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}
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if ((self.senderAvatarUrl || eventSenderAvatar) &&
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([self.senderAvatarUrl isEqualToString:eventSenderAvatar] == NO))
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{
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return NO;
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}
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// Take into account here the rendered bubbles pagination
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if (roomDataSource.bubblesPagination == MXKRoomDataSourceBubblesPaginationPerDay)
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{
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// Event must be sent the same day than the existing bubble.
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NSString *bubbleDateString = [roomDataSource.eventFormatter dateStringFromDate:self.date withTime:NO];
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NSString *eventDateString = [roomDataSource.eventFormatter dateStringFromEvent:event withTime:NO];
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if (bubbleDateString && eventDateString && ![bubbleDateString isEqualToString:eventDateString])
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{
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return NO;
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}
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}
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// Create new message component
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MXKRoomBubbleComponent *addedComponent = [[MXKRoomBubbleComponent alloc] initWithEvent:event roomState:roomState eventFormatter:roomDataSource.eventFormatter session:self.mxSession];
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if (addedComponent)
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{
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[self addComponent:addedComponent];
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}
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// else the event is ignored, we consider it as handled
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return YES;
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}
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return NO;
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}
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- (BOOL)mergeWithBubbleCellData:(id<MXKRoomBubbleCellDataStoring>)bubbleCellData
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{
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if ([self hasSameSenderAsBubbleCellData:bubbleCellData])
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{
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MXKRoomBubbleCellData *cellData = (MXKRoomBubbleCellData*)bubbleCellData;
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// Only text messages are merged (Attachments are not merged).
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if ((self.attachment == nil) && (cellData.attachment == nil))
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{
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// Take into account here the rendered bubbles pagination
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if (roomDataSource.bubblesPagination == MXKRoomDataSourceBubblesPaginationPerDay)
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{
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// bubble components must be sent the same day than self.
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NSString *selfDateString = [roomDataSource.eventFormatter dateStringFromDate:self.date withTime:NO];
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NSString *bubbleDateString = [roomDataSource.eventFormatter dateStringFromDate:bubbleCellData.date withTime:NO];
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if (![bubbleDateString isEqualToString:selfDateString])
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{
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return NO;
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}
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}
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// Add all components of the provided message
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for (MXKRoomBubbleComponent* component in cellData.bubbleComponents)
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{
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[self addComponent:component];
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}
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return YES;
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}
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}
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return NO;
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}
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- (NSAttributedString*)attributedTextMessageWithHighlightedEvent:(NSString*)eventId tintColor:(UIColor*)tintColor
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{
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// Create attributed string
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NSMutableAttributedString *customAttributedTextMsg;
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NSAttributedString *componentString;
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@synchronized(bubbleComponents)
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{
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for (MXKRoomBubbleComponent* component in bubbleComponents)
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{
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componentString = component.attributedTextMessage;
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if (componentString)
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{
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if ([component.event.eventId isEqualToString:eventId])
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{
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NSMutableAttributedString *customComponentString = [[NSMutableAttributedString alloc] initWithAttributedString:componentString];
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UIColor *color = tintColor ? tintColor : [UIColor lightGrayColor];
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[customComponentString addAttribute:NSBackgroundColorAttributeName value:color range:NSMakeRange(0, customComponentString.length)];
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componentString = customComponentString;
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}
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if (!customAttributedTextMsg)
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{
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customAttributedTextMsg = [[NSMutableAttributedString alloc] initWithAttributedString:componentString];
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}
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else
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{
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// Append attributed text
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[customAttributedTextMsg appendAttributedString:[MXKRoomBubbleCellDataWithAppendingMode messageSeparator]];
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[customAttributedTextMsg appendAttributedString:componentString];
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}
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}
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}
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}
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return customAttributedTextMsg;
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}
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#pragma mark -
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- (void)prepareBubbleComponentsPosition
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{
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// Set position of the first component
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[super prepareBubbleComponentsPosition];
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@synchronized(bubbleComponents)
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{
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// Check whether the position of other components need to be refreshed
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if (!self.attachment && shouldUpdateComponentsPosition && bubbleComponents.count > 1)
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{
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// Init attributed string with the first text component not nil.
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MXKRoomBubbleComponent *component = bubbleComponents.firstObject;
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CGFloat positionY = component.position.y;
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NSMutableAttributedString *attributedString;
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NSUInteger index = 0;
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for (; index < bubbleComponents.count; index++)
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{
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component = [bubbleComponents objectAtIndex:index];
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component.position = CGPointMake(0, positionY);
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if (component.attributedTextMessage)
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{
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attributedString = [[NSMutableAttributedString alloc] initWithAttributedString:component.attributedTextMessage];
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[attributedString appendAttributedString:[MXKRoomBubbleCellDataWithAppendingMode messageSeparator]];
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break;
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}
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}
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for (index++; index < bubbleComponents.count; index++)
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{
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// Append the next text component
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component = [bubbleComponents objectAtIndex:index];
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if (component.attributedTextMessage)
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{
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[attributedString appendAttributedString:component.attributedTextMessage];
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// Compute the height of the resulting string
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CGFloat cumulatedHeight = [self rawTextHeight:attributedString];
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// Deduce the position of the beginning of this component
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CGFloat positionY = MXKROOMBUBBLECELLDATA_TEXTVIEW_DEFAULT_VERTICAL_INSET + (cumulatedHeight - [self rawTextHeight:component.attributedTextMessage]);
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component.position = CGPointMake(0, positionY);
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[attributedString appendAttributedString:[MXKRoomBubbleCellDataWithAppendingMode messageSeparator]];
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}
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else
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{
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// Apply the current vertical position on this empty component.
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component.position = CGPointMake(0, positionY);
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}
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}
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}
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}
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shouldUpdateComponentsPosition = NO;
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}
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#pragma mark -
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- (NSString*)textMessage
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{
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NSString *rawText = nil;
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if (self.attributedTextMessage)
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{
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// Append all components text message
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NSMutableString *currentTextMsg;
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@synchronized(bubbleComponents)
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{
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for (MXKRoomBubbleComponent* component in bubbleComponents)
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{
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if (component.textMessage == nil)
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{
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continue;
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}
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if (!currentTextMsg)
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{
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currentTextMsg = [NSMutableString stringWithString:component.textMessage];
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}
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else
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{
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// Append text message
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[currentTextMsg appendString:@"\n"];
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[currentTextMsg appendString:component.textMessage];
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}
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}
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}
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rawText = currentTextMsg;
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}
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return rawText;
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}
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- (void)setAttributedTextMessage:(NSAttributedString *)inAttributedTextMessage
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{
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super.attributedTextMessage = inAttributedTextMessage;
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// Position of each components should be computed again
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shouldUpdateComponentsPosition = YES;
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}
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- (NSAttributedString*)attributedTextMessage
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{
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@synchronized(bubbleComponents)
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{
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if (self.hasAttributedTextMessage && !attributedTextMessage.length)
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{
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// Create attributed string
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NSMutableAttributedString *currentAttributedTextMsg;
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for (MXKRoomBubbleComponent* component in bubbleComponents)
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{
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if (component.attributedTextMessage)
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{
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if (!currentAttributedTextMsg)
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{
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currentAttributedTextMsg = [[NSMutableAttributedString alloc] initWithAttributedString:component.attributedTextMessage];
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}
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else
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{
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// Append attributed text
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[currentAttributedTextMsg appendAttributedString:[MXKRoomBubbleCellDataWithAppendingMode messageSeparator]];
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[currentAttributedTextMsg appendAttributedString:component.attributedTextMessage];
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}
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}
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}
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self.attributedTextMessage = currentAttributedTextMsg;
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}
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}
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return attributedTextMessage;
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}
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- (void)setMaxTextViewWidth:(CGFloat)inMaxTextViewWidth
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{
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CGFloat previousMaxWidth = self.maxTextViewWidth;
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[super setMaxTextViewWidth:inMaxTextViewWidth];
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// Check change
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if (previousMaxWidth != self.maxTextViewWidth)
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{
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// Position of each components should be computed again
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shouldUpdateComponentsPosition = YES;
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}
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}
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#pragma mark -
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+ (NSAttributedString *)messageSeparator
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{
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@synchronized(self)
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{
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if(messageSeparator == nil)
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{
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messageSeparator = [[NSAttributedString alloc] initWithString:@"\n\n" attributes:@{NSForegroundColorAttributeName : [UIColor blackColor],
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NSFontAttributeName: [UIFont systemFontOfSize:4]}];
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}
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}
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return messageSeparator;
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}
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#pragma mark - Privates
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- (void)addComponent:(MXKRoomBubbleComponent*)addedComponent
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{
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@synchronized(bubbleComponents)
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{
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// Check date of existing components to insert this new one
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NSUInteger index = bubbleComponents.count;
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// Component without date is added at the end by default
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if (addedComponent.date)
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{
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while (index)
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{
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MXKRoomBubbleComponent *msgComponent = [bubbleComponents objectAtIndex:(--index)];
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if (msgComponent.date && [msgComponent.date compare:addedComponent.date] != NSOrderedDescending)
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{
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// New component will be inserted here
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index ++;
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break;
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}
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}
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}
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// Insert new component
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[bubbleComponents insertObject:addedComponent atIndex:index];
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// Indicate that the data's text message layout should be recomputed.
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[self invalidateTextLayout];
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}
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}
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@end
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