mirror of
https://github.com/MessageKit/MessageKit.git
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MacmeDan
77 lines
3.6 KiB
Swift
77 lines
3.6 KiB
Swift
/*
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MIT License
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Copyright (c) 2017 MessageKit
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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import Foundation
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public protocol MessagesDisplayDataSource: class, MessagesDataSource {
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func textColor(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> UIColor
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func backgroundColor(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> UIColor
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func avatar(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> Avatar
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func messageHeaderView(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageHeaderView?
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func messageFooterView(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageFooterView?
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func cellTopLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString?
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func cellBottomLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString?
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}
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// "where Self: MessagesViewController" make these methods a `default` implimentation for any view that subclasses of MessagesViewController
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public extension MessagesDisplayDataSource where Self: MessagesViewController {
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func textColor(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> UIColor {
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return isFromCurrentSender(message: message) ? .white : .black
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}
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func backgroundColor(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> UIColor {
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return isFromCurrentSender(message: message) ? .outgoingGreen : .incomingGray
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}
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func avatar(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> Avatar {
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return Avatar()
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}
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func messageHeaderView(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageHeaderView? {
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return nil
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}
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func messageFooterView(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageFooterView? {
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return nil
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}
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func cellTopLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString? {
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return nil
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}
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func cellBottomLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString? {
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return nil
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}
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}
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