107 lines
3.2 KiB
Objective-C
107 lines
3.2 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "ConversationViewLayout.h"
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#import "OWSAudioAttachmentPlayer.h"
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NS_ASSUME_NONNULL_BEGIN
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typedef NS_ENUM(NSInteger, OWSMessageCellType) {
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OWSMessageCellType_TextMessage,
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OWSMessageCellType_OversizeTextMessage,
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OWSMessageCellType_StillImage,
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OWSMessageCellType_AnimatedImage,
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OWSMessageCellType_Audio,
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OWSMessageCellType_Video,
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OWSMessageCellType_GenericAttachment,
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OWSMessageCellType_DownloadingAttachment,
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// Treat invalid messages as empty text messages.
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OWSMessageCellType_Unknown = OWSMessageCellType_TextMessage,
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};
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NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType);
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@class ConversationViewCell;
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@class OWSAudioMessageView;
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@class TSAttachmentPointer;
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@class TSAttachmentStream;
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@class TSInteraction;
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// This is a ViewModel for cells in the conversation view.
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//
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// The lifetime of this class is the lifetime of that cell
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// in the load window of the conversation view.
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//
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// Critically, this class implements ConversationViewLayoutItem
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// and does caching of the cell's size.
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@interface ConversationViewItem : NSObject <ConversationViewLayoutItem, OWSAudioAttachmentPlayerDelegate>
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@property (nonatomic, readonly) TSInteraction *interaction;
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@property (nonatomic, readonly) BOOL isGroupThread;
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@property (nonatomic) BOOL shouldShowDate;
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@property (nonatomic) BOOL shouldHideRecipientStatus;
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@property (nonatomic) NSInteger row;
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@property (nonatomic) NSInteger lastRow;
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//@property (nonatomic, weak) ConversationViewCell *lastCell;
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithTSInteraction:(TSInteraction *)interaction isGroupThread:(BOOL)isGroupThread;
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- (ConversationViewCell *)dequeueCellForCollectionView:(UICollectionView *)collectionView
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indexPath:(NSIndexPath *)indexPath;
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- (void)replaceInteraction:(TSInteraction *)interaction;
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- (void)clearCachedLayoutState;
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#pragma mark - Audio Playback
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@property (nonatomic, weak) OWSAudioMessageView *lastAudioMessageView;
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@property (nonatomic, nullable) NSNumber *audioDurationSeconds;
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- (CGFloat)audioProgressSeconds;
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#pragma mark - Expiration
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// TODO:
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//@property (nonatomic, readonly) BOOL isExpiringMessage;
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//@property (nonatomic, readonly) BOOL shouldStartExpireTimer;
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//@property (nonatomic, readonly) double expiresAtSeconds;
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//@property (nonatomic, readonly) uint32_t expiresInSeconds;
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#pragma mark - View State Caching
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// These methods only apply to text & attachment messages.
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- (OWSMessageCellType)messageCellType;
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- (nullable NSString *)textMessage;
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- (nullable TSAttachmentStream *)attachmentStream;
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- (nullable TSAttachmentPointer *)attachmentPointer;
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- (CGSize)contentSize;
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// TODO:
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//// Cells will request that this adapter clear its cached media views,
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//// but the adapter should only honor requests from the last cell to
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//// use its views.
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//- (void)setLastPresentingCell:(nullable id)cell;
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//- (void)clearCachedMediaViewsIfLastPresentingCell:(id)cell;
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#pragma mark - UIMenuController
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- (NSArray<UIMenuItem *> *)menuControllerItems;
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- (BOOL)canPerformAction:(SEL)action;
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- (void)copyAction;
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- (void)shareAction;
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- (void)saveAction;
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- (void)deleteAction;
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- (SEL)metadataActionSelector;
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@end
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NS_ASSUME_NONNULL_END
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