1888 lines
80 KiB
Objective-C
1888 lines
80 KiB
Objective-C
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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#import "ConversationViewModel.h"
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#import "ConversationViewItem.h"
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#import "DateUtil.h"
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#import "OWSMessageBubbleView.h"
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#import "OWSQuotedReplyModel.h"
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#import "Signal-Swift.h"
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#import <SignalCoreKit/NSDate+OWS.h>
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#import <SignalMessaging/OWSContactsManager.h>
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#import <SignalMessaging/OWSUnreadIndicator.h>
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#import <SignalMessaging/SignalMessaging-Swift.h>
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#import <SignalMessaging/ThreadUtil.h>
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#import <SignalServiceKit/OWSBlockingManager.h>
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#import <SignalServiceKit/OWSContactOffersInteraction.h>
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#import <SignalServiceKit/SSKEnvironment.h>
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#import <SignalServiceKit/TSIncomingMessage.h>
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#import <SignalServiceKit/TSOutgoingMessage.h>
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#import <SignalServiceKit/TSThread.h>
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#import <YapDatabase/YapDatabase.h>
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#import <YapDatabase/YapDatabaseAutoView.h>
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#import <YapDatabase/YapDatabaseViewChange.h>
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#import <YapDatabase/YapDatabaseViewChangePrivate.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface ConversationProfileState : NSObject
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@property (nonatomic) BOOL hasLocalProfile;
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@property (nonatomic) BOOL isThreadInProfileWhitelist;
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@property (nonatomic) BOOL hasUnwhitelistedMember;
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@end
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#pragma mark -
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@implementation ConversationProfileState
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@end
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@implementation ConversationViewState
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- (instancetype)initWithViewItems:(NSArray<id<ConversationViewItem>> *)viewItems
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{
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self = [super init];
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if (!self) {
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return self;
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}
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_viewItems = viewItems;
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NSMutableDictionary<NSString *, NSNumber *> *interactionIndexMap = [NSMutableDictionary new];
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NSMutableArray<NSString *> *interactionIds = [NSMutableArray new];
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for (NSUInteger i = 0; i < self.viewItems.count; i++) {
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id<ConversationViewItem> viewItem = self.viewItems[i];
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interactionIndexMap[viewItem.interaction.uniqueId] = @(i);
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[interactionIds addObject:viewItem.interaction.uniqueId];
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if (viewItem.unreadIndicator != nil) {
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_unreadIndicatorIndex = @(i);
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}
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}
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_interactionIndexMap = [interactionIndexMap copy];
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_interactionIds = [interactionIds copy];
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return self;
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}
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- (nullable id<ConversationViewItem>)unreadIndicatorViewItem
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{
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if (self.unreadIndicatorIndex == nil) {
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return nil;
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}
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NSUInteger index = self.unreadIndicatorIndex.unsignedIntegerValue;
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if (index >= self.viewItems.count) {
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OWSFailDebug(@"Invalid index.");
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return nil;
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}
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return self.viewItems[index];
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}
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@end
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#pragma mark -
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@implementation ConversationUpdateItem
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- (instancetype)initWithUpdateItemType:(ConversationUpdateItemType)updateItemType
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oldIndex:(NSUInteger)oldIndex
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newIndex:(NSUInteger)newIndex
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viewItem:(nullable id<ConversationViewItem>)viewItem
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{
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self = [super init];
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if (!self) {
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return self;
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}
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_updateItemType = updateItemType;
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_oldIndex = oldIndex;
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_newIndex = newIndex;
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_viewItem = viewItem;
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return self;
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}
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@end
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#pragma mark -
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@implementation ConversationUpdate
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- (instancetype)initWithConversationUpdateType:(ConversationUpdateType)conversationUpdateType
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updateItems:(nullable NSArray<ConversationUpdateItem *> *)updateItems
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shouldAnimateUpdates:(BOOL)shouldAnimateUpdates
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{
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self = [super init];
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if (!self) {
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return self;
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}
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_conversationUpdateType = conversationUpdateType;
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_updateItems = updateItems;
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_shouldAnimateUpdates = shouldAnimateUpdates;
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return self;
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}
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+ (ConversationUpdate *)minorUpdate
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{
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return [[ConversationUpdate alloc] initWithConversationUpdateType:ConversationUpdateType_Minor
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updateItems:nil
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shouldAnimateUpdates:NO];
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}
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+ (ConversationUpdate *)reloadUpdate
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{
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return [[ConversationUpdate alloc] initWithConversationUpdateType:ConversationUpdateType_Reload
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updateItems:nil
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shouldAnimateUpdates:NO];
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}
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+ (ConversationUpdate *)diffUpdateWithUpdateItems:(nullable NSArray<ConversationUpdateItem *> *)updateItems
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shouldAnimateUpdates:(BOOL)shouldAnimateUpdates
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{
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return [[ConversationUpdate alloc] initWithConversationUpdateType:ConversationUpdateType_Diff
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updateItems:updateItems
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shouldAnimateUpdates:shouldAnimateUpdates];
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}
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@end
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#pragma mark -
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// Always load up to n messages when user arrives.
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//
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// The smaller this number is, the faster the conversation can display.
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// To test, shrink you accessability font as much as possible, then count how many 1-line system info messages (our
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// shortest cells) can fit on screen at a time on an iPhoneX
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//
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// PERF: we could do less messages on shorter (older, slower) devices
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// PERF: we could cache the cell height, since some messages will be much taller.
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static const int kYapDatabasePageSize = 18;
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// Never show more than n messages in conversation view when user arrives.
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static const NSUInteger kConversationInitialMaxRangeSize = 300;
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// Never show more than n messages in conversation view at a time.
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static const int kYapDatabaseRangeMaxLength = 25000;
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#pragma mark -
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@interface ConversationViewModel () <ConversationViewDatabaseSnapshotDelegate>
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@property (nonatomic, weak) id<ConversationViewModelDelegate> delegate;
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@property (nonatomic, readonly) TSThread *thread;
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// The mapping must be updated in lockstep with the uiDatabaseConnection.
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//
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// * The first (required) step is to update uiDatabaseConnection using beginLongLivedReadTransaction.
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// * The second (required) step is to update messageMapping. The desired length of the mapping
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// can be modified at this time.
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// * The third (optional) step is to update the view items using reloadViewItems.
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// * The steps must be done in strict order.
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// * If we do any of the steps, we must do all of the required steps.
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// * We can't use messageMapping or viewItems after the first step until we've
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// done the last step; i.e.. we can't do any layout, since that uses the view
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// items which haven't been updated yet.
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// * Afterward, we must prod the view controller to update layout & view state.
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@property (nonatomic) ConversationMessageMapping *messageMapping;
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@property (nonatomic) ConversationViewState *viewState;
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@property (nonatomic) NSMutableDictionary<NSString *, id<ConversationViewItem>> *viewItemCache;
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@property (nonatomic, nullable) ThreadDynamicInteractions *dynamicInteractions;
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@property (nonatomic) BOOL hasClearedUnreadMessagesIndicator;
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@property (nonatomic, nullable) NSDate *collapseCutoffDate;
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@property (nonatomic, nullable) SignalServiceAddress *typingIndicatorsSender;
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@property (nonatomic, nullable) ConversationProfileState *conversationProfileState;
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@property (nonatomic) BOOL hasTooManyOutgoingMessagesToBlockCached;
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@property (nonatomic) NSArray<id<ConversationViewItem>> *persistedViewItems;
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@property (nonatomic) NSArray<TSOutgoingMessage *> *unsavedOutgoingMessages;
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@end
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#pragma mark -
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@implementation ConversationViewModel
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- (instancetype)initWithThread:(TSThread *)thread
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focusMessageIdOnOpen:(nullable NSString *)focusMessageIdOnOpen
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delegate:(id<ConversationViewModelDelegate>)delegate
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{
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self = [super init];
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if (!self) {
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return self;
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}
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OWSAssertDebug(thread);
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OWSAssertDebug(delegate);
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_thread = thread;
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_delegate = delegate;
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_persistedViewItems = @[];
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_unsavedOutgoingMessages = @[];
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self.focusMessageIdOnOpen = focusMessageIdOnOpen;
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_viewState = [[ConversationViewState alloc] initWithViewItems:@[]];
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[self configure];
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return self;
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}
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#pragma mark - Dependencies
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- (nullable OWSPrimaryStorage *)primaryStorage
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{
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return SSKEnvironment.shared.primaryStorage;
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}
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- (nullable YapDatabaseConnection *)uiDatabaseConnection
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{
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return self.primaryStorage.uiDatabaseConnection;
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}
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- (SDSDatabaseStorage *)databaseStorage
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{
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return SDSDatabaseStorage.shared;
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}
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- (OWSContactsManager *)contactsManager
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{
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return (OWSContactsManager *)SSKEnvironment.shared.contactsManager;
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}
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- (OWSBlockingManager *)blockingManager
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{
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return OWSBlockingManager.sharedManager;
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}
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- (id<OWSTypingIndicators>)typingIndicators
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{
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return SSKEnvironment.shared.typingIndicators;
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}
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- (TSAccountManager *)tsAccountManager
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{
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OWSAssertDebug(SSKEnvironment.shared.tsAccountManager);
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return SSKEnvironment.shared.tsAccountManager;
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}
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- (OWSProfileManager *)profileManager
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{
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return [OWSProfileManager sharedManager];
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}
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#pragma mark -
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- (void)addNotificationListeners
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{
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(applicationDidEnterBackground:)
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name:OWSApplicationDidEnterBackgroundNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(signalAccountsDidChange:)
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name:OWSContactsManagerSignalAccountsDidChangeNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(typingIndicatorStateDidChange:)
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name:[OWSTypingIndicatorsImpl typingIndicatorStateDidChange]
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(profileWhitelistDidChange:)
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name:kNSNotificationName_ProfileWhitelistDidChange
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(blockListDidChange:)
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name:kNSNotificationName_BlockListDidChange
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(localProfileDidChange:)
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name:kNSNotificationName_LocalProfileDidChange
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object:nil];
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}
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- (void)signalAccountsDidChange:(NSNotification *)notification
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{
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OWSAssertIsOnMainThread();
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[self ensureDynamicInteractionsAndUpdateIfNecessaryWithSneakyTransaction:YES];
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}
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- (void)profileWhitelistDidChange:(NSNotification *)notification
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{
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OWSAssertIsOnMainThread();
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self.conversationProfileState = nil;
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[self updateForTransientItems];
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}
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- (void)localProfileDidChange:(NSNotification *)notification
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{
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OWSAssertIsOnMainThread();
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self.conversationProfileState = nil;
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[self updateForTransientItems];
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}
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- (void)blockListDidChange:(id)notification
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{
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OWSAssertIsOnMainThread();
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[self updateForTransientItems];
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}
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- (void)configure
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{
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OWSLogInfo(@"");
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// We need to update the "unread indicator" _before_ we determine the initial range
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// size, since it depends on where the unread indicator is placed.
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self.typingIndicatorsSender = [self.typingIndicators typingAddressForThread:self.thread];
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self.collapseCutoffDate = [NSDate new];
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if (SSKFeatureFlags.storageMode == StorageModeYdb) {
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[self.primaryStorage updateUIDatabaseConnectionToLatest];
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}
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[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
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[self ensureDynamicInteractionsAndUpdateIfNecessary:NO transaction:transaction];
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[self createNewMessageMappingWithTransaction:transaction];
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if (![self reloadViewItemsWithTransaction:transaction]) {
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OWSFailDebug(@"failed to reload view items in configureForThread.");
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}
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}];
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if (SSKFeatureFlags.storageMode != StorageModeYdb) {
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[self.databaseStorage.grdbStorage.conversationViewDatabaseObserver appendSnapshotDelegate:self];
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} else {
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(uiDatabaseDidUpdateExternally:)
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name:OWSUIDatabaseConnectionDidUpdateExternallyNotification
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object:self.primaryStorage.dbNotificationObject];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(uiDatabaseWillUpdate:)
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name:OWSUIDatabaseConnectionWillUpdateNotification
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object:self.primaryStorage.dbNotificationObject];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(uiDatabaseDidUpdate:)
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name:OWSUIDatabaseConnectionDidUpdateNotification
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object:self.primaryStorage.dbNotificationObject];
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}
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(applicationWillEnterForeground:)
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name:OWSApplicationWillEnterForegroundNotification
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object:nil];
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}
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- (void)viewDidLoad
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{
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[self addNotificationListeners];
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[self touchDbAsync];
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}
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- (void)touchDbAsync
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{
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if (SSKFeatureFlags.storageMode == StorageModeYdb) {
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// See comments in primaryStorage.touchDbAsync.
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[self.primaryStorage touchDbAsync];
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}
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (BOOL)canLoadMoreItems
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{
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if (self.messageMapping.desiredLength >= kYapDatabaseRangeMaxLength) {
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return NO;
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}
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return self.messageMapping.canLoadMore;
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}
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- (void)applicationDidEnterBackground:(NSNotification *)notification
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{
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if (self.hasClearedUnreadMessagesIndicator) {
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self.hasClearedUnreadMessagesIndicator = NO;
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[self.dynamicInteractions clearUnreadIndicatorState];
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}
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}
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- (void)viewDidResetContentAndLayoutWithTransaction:(SDSAnyReadTransaction *)transaction
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{
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self.collapseCutoffDate = [NSDate new];
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if (![self reloadViewItemsWithTransaction:transaction]) {
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OWSFailDebug(@"failed to reload view items in resetContentAndLayout.");
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}
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}
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- (void)loadAnotherPageOfMessagesWithTransaction:(SDSAnyReadTransaction *)transaction
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{
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BOOL hasEarlierUnseenMessages = self.dynamicInteractions.unreadIndicator.hasMoreUnseenMessages;
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// Now that we're using a "minimal" page size, we should
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// increase the load window by 2 pages at a time.
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[self loadNMoreMessages:kYapDatabasePageSize * 2 transaction:transaction];
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// Don’t auto-scroll after “loading more messages” unless we have “more unseen messages”.
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//
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// Otherwise, tapping on "load more messages" autoscrolls you downward which is completely wrong.
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if (hasEarlierUnseenMessages && !self.focusMessageIdOnOpen) {
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dispatch_async(dispatch_get_main_queue(), ^() {
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// Ensure view items are updated before trying to scroll to the
|
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// unread indicator.
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//
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// loadNMoreMessages calls resetMapping which calls ensureDynamicInteractions,
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// which may move the unread indicator, and for scrollToUnreadIndicatorAnimated
|
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// to work properly, the view items need to be updated to reflect that change.
|
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if (SSKFeatureFlags.storageMode == StorageModeYdb) {
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[self.primaryStorage updateUIDatabaseConnectionToLatest];
|
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}
|
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[self.delegate conversationViewModelDidLoadPrevPage];
|
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});
|
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}
|
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}
|
||
|
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- (void)loadNMoreMessages:(NSUInteger)numberOfMessagesToLoad transaction:(SDSAnyReadTransaction *)transaction
|
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{
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[self.delegate conversationViewModelWillLoadMoreItems];
|
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[self resetMappingWithAdditionalLength:numberOfMessagesToLoad transaction:transaction];
|
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|
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[self.delegate conversationViewModelDidLoadMoreItems];
|
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}
|
||
|
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- (NSUInteger)initialMessageMappingLength
|
||
{
|
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NSUInteger rangeLength = kYapDatabasePageSize;
|
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|
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// If this is the first time we're configuring the range length,
|
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// try to take into account the position of the unread indicator
|
||
// and the "focus message".
|
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OWSAssertDebug(self.dynamicInteractions);
|
||
|
||
if (self.focusMessageIdOnOpen) {
|
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OWSAssertDebug(self.dynamicInteractions.focusMessagePosition);
|
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if (self.dynamicInteractions.focusMessagePosition) {
|
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OWSLogVerbose(@"ensuring load of focus message: %@", self.dynamicInteractions.focusMessagePosition);
|
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rangeLength = MAX(rangeLength, 1 + self.dynamicInteractions.focusMessagePosition.unsignedIntegerValue);
|
||
}
|
||
}
|
||
|
||
if (self.dynamicInteractions.unreadIndicator) {
|
||
NSUInteger unreadIndicatorPosition
|
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= (NSUInteger)self.dynamicInteractions.unreadIndicator.unreadIndicatorPosition;
|
||
|
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// If there is an unread indicator, increase the initial load window
|
||
// to include it.
|
||
OWSAssertDebug(unreadIndicatorPosition > 0);
|
||
OWSAssertDebug(unreadIndicatorPosition <= kYapDatabaseRangeMaxLength);
|
||
|
||
// We'd like to include at least N seen messages,
|
||
// to give the user the context of where they left off the conversation.
|
||
const NSUInteger kPreferredSeenMessageCount = 1;
|
||
rangeLength = MAX(rangeLength, unreadIndicatorPosition + kPreferredSeenMessageCount);
|
||
}
|
||
|
||
return rangeLength;
|
||
}
|
||
|
||
- (void)updateMessageMappingWithAdditionalLength:(NSUInteger)additionalLength
|
||
transaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
// Range size should monotonically increase.
|
||
NSUInteger rangeLength = self.messageMapping.desiredLength + additionalLength;
|
||
|
||
// Always try to load at least a single page of messages.
|
||
rangeLength = MAX(rangeLength, kYapDatabasePageSize);
|
||
|
||
// Enforce max range size.
|
||
rangeLength = MIN(rangeLength, kYapDatabaseRangeMaxLength);
|
||
|
||
NSError *error;
|
||
[self.messageMapping updateWithDesiredLength:rangeLength transaction:transaction error:&error];
|
||
if (error != nil) {
|
||
OWSFailDebug(@"failure: %@", error);
|
||
}
|
||
|
||
[self.delegate conversationViewModelRangeDidChangeWithTransaction:transaction];
|
||
self.collapseCutoffDate = [NSDate new];
|
||
}
|
||
|
||
- (void)ensureDynamicInteractionsAndUpdateIfNecessaryWithSneakyTransaction:(BOOL)updateIfNecessary
|
||
{
|
||
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
|
||
[self ensureDynamicInteractionsAndUpdateIfNecessary:updateIfNecessary transaction:transaction];
|
||
}];
|
||
}
|
||
|
||
- (void)ensureDynamicInteractionsAndUpdateIfNecessary:(BOOL)updateIfNecessary
|
||
transaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
OWSAssertDebug(transaction != nil);
|
||
|
||
const NSUInteger currentMaxRangeSize = self.messageMapping.desiredLength;
|
||
const NSUInteger maxRangeSize = MAX(kConversationInitialMaxRangeSize, currentMaxRangeSize);
|
||
|
||
ThreadDynamicInteractions *dynamicInteractions =
|
||
[ThreadUtil ensureDynamicInteractionsForThread:self.thread
|
||
contactsManager:self.contactsManager
|
||
blockingManager:self.blockingManager
|
||
hideUnreadMessagesIndicator:self.hasClearedUnreadMessagesIndicator
|
||
lastUnreadIndicator:self.dynamicInteractions.unreadIndicator
|
||
focusMessageId:self.focusMessageIdOnOpen
|
||
maxRangeSize:maxRangeSize
|
||
transaction:transaction];
|
||
BOOL didChange = ![NSObject isNullableObject:self.dynamicInteractions equalTo:dynamicInteractions];
|
||
self.dynamicInteractions = dynamicInteractions;
|
||
|
||
if (didChange && updateIfNecessary) {
|
||
if (![self reloadViewItemsWithTransaction:transaction]) {
|
||
OWSFailDebug(@"Failed to reload view items.");
|
||
}
|
||
|
||
[self.delegate conversationViewModelDidUpdate:ConversationUpdate.reloadUpdate transaction:transaction];
|
||
}
|
||
}
|
||
|
||
- (void)clearUnreadMessagesIndicator
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
|
||
// TODO: Remove by making unread indicator a view model concern.
|
||
id<ConversationViewItem> _Nullable oldIndicatorItem = [self.viewState unreadIndicatorViewItem];
|
||
if (oldIndicatorItem.interaction != nil) {
|
||
// TODO ideally this would be happening within the *same* transaction that caused the unreadMessageIndicator
|
||
// to be cleared.
|
||
[self.databaseStorage asyncWriteWithBlock:^(SDSAnyWriteTransaction *transaction) {
|
||
[self.databaseStorage touchInteraction:oldIndicatorItem.interaction transaction:transaction];
|
||
}];
|
||
}
|
||
|
||
if (self.hasClearedUnreadMessagesIndicator) {
|
||
// ensureDynamicInteractionsForThread is somewhat expensive
|
||
// so we don't want to call it unnecessarily.
|
||
return;
|
||
}
|
||
|
||
// Once we've cleared the unread messages indicator,
|
||
// make sure we don't show it again.
|
||
self.hasClearedUnreadMessagesIndicator = YES;
|
||
|
||
if (self.dynamicInteractions.unreadIndicator) {
|
||
// If we've just cleared the "unread messages" indicator,
|
||
// update the dynamic interactions.
|
||
[self ensureDynamicInteractionsAndUpdateIfNecessaryWithSneakyTransaction:YES];
|
||
}
|
||
}
|
||
|
||
#pragma mark - GRDB Updates
|
||
|
||
- (void)conversationViewDatabaseSnapshotWillUpdate
|
||
{
|
||
[self anyDBWillUpdate];
|
||
}
|
||
|
||
- (void)conversationViewDatabaseSnapshotDidUpdateWithTransactionChanges:
|
||
(ConversationViewDatabaseTransactionChanges *)transactionChanges
|
||
{
|
||
__block NSError *dbError;
|
||
__block NSError *updateError;
|
||
__block NSSet<NSString *> *updatedInteractionIds;
|
||
[self.databaseStorage.grdbStorage uiReadAndReturnError:&dbError
|
||
block:^(GRDBReadTransaction *transaction) {
|
||
updatedInteractionIds = [transactionChanges
|
||
updatedInteractionIdsForThreadId:self.thread.uniqueId
|
||
transaction:transaction
|
||
error:&updateError];
|
||
}];
|
||
|
||
// If we have a thread details item, insert it into the updated items. We assume
|
||
// it always needs to update, because it's rarely actually loaded and can be changed
|
||
// by a large number of thread updates.
|
||
if (self.messageMapping.shouldShowThreadDetails) {
|
||
updatedInteractionIds = [updatedInteractionIds setByAddingObject:OWSThreadDetailsInteraction.ThreadDetailsId];
|
||
}
|
||
|
||
|
||
if (dbError || updateError || !updatedInteractionIds) {
|
||
OWSFailDebug(@"failure: %@, %@", dbError, updateError);
|
||
[self resetMappingWithSneakyTransaction];
|
||
return;
|
||
}
|
||
|
||
[self anyDBDidUpdateWithUpdatedInteractionIds:updatedInteractionIds];
|
||
}
|
||
|
||
- (void)conversationViewDatabaseSnapshotDidUpdateExternally
|
||
{
|
||
[self anyDBDidUpdateExternally];
|
||
}
|
||
|
||
- (void)conversationViewDatabaseSnapshotDidReset
|
||
{
|
||
[self resetMappingWithSneakyTransaction];
|
||
}
|
||
|
||
#pragma mark - YapDB Updates
|
||
|
||
- (void)uiDatabaseWillUpdate:(NSNotification *)notification
|
||
{
|
||
[self anyDBWillUpdate];
|
||
}
|
||
|
||
- (void)uiDatabaseDidUpdate:(NSNotification *)notification
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
|
||
OWSLogVerbose(@"");
|
||
|
||
NSArray<NSNotification *> *notifications = notification.userInfo[OWSUIDatabaseConnectionNotificationsKey];
|
||
OWSAssertDebug([notifications isKindOfClass:[NSArray class]]);
|
||
|
||
YapDatabaseAutoViewConnection *messageDatabaseView =
|
||
[self.uiDatabaseConnection ext:TSMessageDatabaseViewExtensionName];
|
||
OWSAssertDebug([messageDatabaseView isKindOfClass:[YapDatabaseAutoViewConnection class]]);
|
||
if (![messageDatabaseView hasChangesForGroup:self.thread.uniqueId inNotifications:notifications]
|
||
&& !self.messageMapping.shouldShowThreadDetails) {
|
||
[self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.minorUpdate];
|
||
return;
|
||
}
|
||
|
||
NSSet<NSString *> *updatedInteractionIds = [self.messageMapping updatedItemIdsFor:notifications];
|
||
|
||
// If we have a thread details item, insert it into the updated items. We assume
|
||
// it always needs to update, because it's rarely actually loaded and can be changed
|
||
// by a large number of thread updates.
|
||
if (self.messageMapping.shouldShowThreadDetails) {
|
||
updatedInteractionIds = [updatedInteractionIds setByAddingObject:OWSThreadDetailsInteraction.ThreadDetailsId];
|
||
}
|
||
|
||
[self anyDBDidUpdateWithUpdatedInteractionIds:updatedInteractionIds];
|
||
}
|
||
|
||
- (void)anyDBDidUpdateWithUpdatedInteractionIds:(NSSet<NSString *> *)updatedInteractionIds
|
||
{
|
||
__block ConversationMessageMappingDiff *_Nullable diff = nil;
|
||
__block NSError *error;
|
||
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
|
||
diff = [self.messageMapping updateAndCalculateDiffWithTransaction:transaction
|
||
updatedInteractionIds:updatedInteractionIds
|
||
error:&error];
|
||
}];
|
||
if (error != nil || diff == nil) {
|
||
OWSFailDebug(@"Could not determine diff. error: %@", error);
|
||
// resetMapping will call delegate.conversationViewModelDidUpdate.
|
||
[self resetMappingWithSneakyTransaction];
|
||
[self.delegate conversationViewModelDidReset];
|
||
return;
|
||
}
|
||
|
||
NSMutableSet<NSString *> *diffAddedItemIds = [diff.addedItemIds mutableCopy];
|
||
NSMutableSet<NSString *> *diffRemovedItemIds = [diff.removedItemIds mutableCopy];
|
||
NSMutableSet<NSString *> *diffUpdatedItemIds = [diff.updatedItemIds mutableCopy];
|
||
|
||
if (diffAddedItemIds.count < 1 && diffRemovedItemIds.count < 1 && diffUpdatedItemIds.count < 1) {
|
||
// This probably isn't an error; presumably the modifications
|
||
// occurred outside the load window.
|
||
OWSLogDebug(@"Empty diff.");
|
||
[self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.minorUpdate];
|
||
return;
|
||
}
|
||
|
||
for (TSOutgoingMessage *unsavedOutgoingMessage in self.unsavedOutgoingMessages) {
|
||
// unsavedOutgoingMessages should only exist for a short period (usually 30-50ms) before
|
||
// they are saved and moved into the `persistedViewItems`
|
||
// OWSAssertDebug(unsavedOutgoingMessage.timestamp >= ([NSDate ows_millisecondTimeStamp] - 1 *
|
||
// kSecondInMs));
|
||
|
||
BOOL isFound = ([diff.addedItemIds containsObject:unsavedOutgoingMessage.uniqueId] ||
|
||
[diff.removedItemIds containsObject:unsavedOutgoingMessage.uniqueId] ||
|
||
[diff.updatedItemIds containsObject:unsavedOutgoingMessage.uniqueId]);
|
||
if (isFound) {
|
||
// Convert the "insert" to an "update".
|
||
if ([diffAddedItemIds containsObject:unsavedOutgoingMessage.uniqueId]) {
|
||
OWSLogVerbose(@"Converting insert to update: %@", unsavedOutgoingMessage.uniqueId);
|
||
[diffAddedItemIds removeObject:unsavedOutgoingMessage.uniqueId];
|
||
[diffUpdatedItemIds addObject:unsavedOutgoingMessage.uniqueId];
|
||
}
|
||
|
||
// Remove the unsavedOutgoingViewItem since it now exists as a persistedViewItem
|
||
NSMutableArray<TSOutgoingMessage *> *unsavedOutgoingMessages = [self.unsavedOutgoingMessages mutableCopy];
|
||
[unsavedOutgoingMessages removeObject:unsavedOutgoingMessage];
|
||
self.unsavedOutgoingMessages = [unsavedOutgoingMessages copy];
|
||
}
|
||
}
|
||
|
||
NSArray<NSString *> *oldItemIdList = self.viewState.interactionIds;
|
||
|
||
// We need to reload any modified interactions _before_ we call
|
||
// reloadViewItems.
|
||
__block BOOL hasMalformedRowChange = NO;
|
||
NSMutableSet<NSString *> *updatedItemSet = [NSMutableSet new];
|
||
|
||
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
|
||
for (NSString *uniqueId in diffUpdatedItemIds) {
|
||
id<ConversationViewItem> _Nullable viewItem = self.viewItemCache[uniqueId];
|
||
if (viewItem) {
|
||
[self reloadInteractionForViewItem:viewItem transaction:transaction];
|
||
[updatedItemSet addObject:viewItem.itemId];
|
||
} else {
|
||
OWSFailDebug(@"Update is missing view item");
|
||
hasMalformedRowChange = YES;
|
||
}
|
||
}
|
||
}];
|
||
|
||
for (NSString *uniqueId in diffRemovedItemIds) {
|
||
[self.viewItemCache removeObjectForKey:uniqueId];
|
||
}
|
||
|
||
if (hasMalformedRowChange) {
|
||
// These errors seems to be very rare; they can only be reproduced
|
||
// using the more extreme actions in the debug UI.
|
||
OWSFailDebug(@"hasMalformedRowChange");
|
||
// resetMapping will call delegate.conversationViewModelDidUpdate.
|
||
[self resetMappingWithSneakyTransaction];
|
||
[self.delegate conversationViewModelDidReset];
|
||
return;
|
||
}
|
||
|
||
if (![self reloadViewItemsWithSneakyTransaction]) {
|
||
// These errors are rare.
|
||
OWSFailDebug(@"could not reload view items; hard resetting message mapping.");
|
||
// resetMapping will call delegate.conversationViewModelDidUpdate.
|
||
[self resetMappingWithSneakyTransaction];
|
||
[self.delegate conversationViewModelDidReset];
|
||
return;
|
||
}
|
||
|
||
OWSLogVerbose(@"self.viewItems.count: %zd -> %zd", oldItemIdList.count, self.viewState.viewItems.count);
|
||
|
||
// We may have filtered out some of the view items.
|
||
// Ensure that these ids are culled from updatedItemSet.
|
||
[updatedItemSet intersectSet:[NSSet setWithArray:self.viewState.interactionIndexMap.allKeys]];
|
||
|
||
[self updateViewWithOldItemIdList:oldItemIdList updatedItemSet:updatedItemSet];
|
||
}
|
||
|
||
- (void)uiDatabaseDidUpdateExternally:(NSNotification *)notification
|
||
{
|
||
[self anyDBDidUpdateExternally];
|
||
}
|
||
|
||
#pragma mark - AnyDB Update
|
||
|
||
- (void)anyDBWillUpdate
|
||
{
|
||
[self.delegate conversationViewModelWillUpdate];
|
||
}
|
||
|
||
- (void)anyDBDidUpdateExternally
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
|
||
OWSLogVerbose(@"");
|
||
|
||
// External database modifications (e.g. changes from another process such as the SAE)
|
||
// are "flushed" using touchDbAsync when the app re-enters the foreground.
|
||
// POST GRDB TODO - remove touchDbAsync
|
||
}
|
||
|
||
#pragma mark -
|
||
|
||
// A simpler version of the update logic we use when
|
||
// only transient items have changed.
|
||
- (void)updateForTransientItems
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
|
||
OWSLogVerbose(@"");
|
||
|
||
NSArray<NSString *> *oldItemIdList = self.viewState.interactionIds;
|
||
|
||
if (![self reloadViewItemsWithSneakyTransaction]) {
|
||
// These errors are rare.
|
||
OWSFailDebug(@"could not reload view items; hard resetting message mapping.");
|
||
// resetMapping will call delegate.conversationViewModelDidUpdate.
|
||
[self resetMappingWithSneakyTransaction];
|
||
[self.delegate conversationViewModelDidReset];
|
||
return;
|
||
}
|
||
|
||
OWSLogVerbose(@"self.viewItems.count: %zd -> %zd", oldItemIdList.count, self.viewState.viewItems.count);
|
||
|
||
[self updateViewWithOldItemIdList:oldItemIdList updatedItemSet:[NSSet set]];
|
||
}
|
||
|
||
- (void)updateViewWithOldItemIdList:(NSArray<NSString *> *)oldItemIdList
|
||
updatedItemSet:(NSSet<NSString *> *)updatedItemSetParam {
|
||
OWSAssertDebug(oldItemIdList);
|
||
OWSAssertDebug(updatedItemSetParam);
|
||
|
||
if (oldItemIdList.count != [NSSet setWithArray:oldItemIdList].count) {
|
||
OWSFailDebug(@"Old view item list has duplicates.");
|
||
[self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
return;
|
||
}
|
||
|
||
NSArray<NSString *> *newItemIdList = self.viewState.interactionIds;
|
||
NSMutableDictionary<NSString *, id<ConversationViewItem>> *newViewItemMap = [NSMutableDictionary new];
|
||
for (id<ConversationViewItem> viewItem in self.viewState.viewItems) {
|
||
newViewItemMap[viewItem.itemId] = viewItem;
|
||
}
|
||
|
||
if (newItemIdList.count != [NSSet setWithArray:newItemIdList].count) {
|
||
OWSFailDebug(@"New view item list has duplicates.");
|
||
[self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
return;
|
||
}
|
||
|
||
NSSet<NSString *> *oldItemIdSet = [NSSet setWithArray:oldItemIdList];
|
||
NSSet<NSString *> *newItemIdSet = [NSSet setWithArray:newItemIdList];
|
||
|
||
// We use sets and dictionaries here to ensure perf.
|
||
// We use NSMutableOrderedSet to preserve item ordering.
|
||
NSMutableOrderedSet<NSString *> *deletedItemIdSet = [NSMutableOrderedSet orderedSetWithArray:oldItemIdList];
|
||
[deletedItemIdSet minusSet:newItemIdSet];
|
||
NSMutableOrderedSet<NSString *> *insertedItemIdSet = [NSMutableOrderedSet orderedSetWithArray:newItemIdList];
|
||
[insertedItemIdSet minusSet:oldItemIdSet];
|
||
NSArray<NSString *> *deletedItemIdList = [deletedItemIdSet.array copy];
|
||
NSArray<NSString *> *insertedItemIdList = [insertedItemIdSet.array copy];
|
||
|
||
// Try to generate a series of "update items" that safely transform
|
||
// the "old item list" into the "new item list".
|
||
NSMutableArray<ConversationUpdateItem *> *updateItems = [NSMutableArray new];
|
||
NSMutableArray<NSString *> *transformedItemList = [oldItemIdList mutableCopy];
|
||
|
||
// 1. Deletes - Always perform deletes before inserts and updates.
|
||
//
|
||
// NOTE: We use reverseObjectEnumerator to ensure that items
|
||
// are deleted in reverse order, to avoid confusion around
|
||
// each deletion affecting the indices of subsequent deletions.
|
||
for (NSString *itemId in deletedItemIdList.reverseObjectEnumerator) {
|
||
OWSAssertDebug([oldItemIdSet containsObject:itemId]);
|
||
OWSAssertDebug(![newItemIdSet containsObject:itemId]);
|
||
|
||
NSUInteger oldIndex = [oldItemIdList indexOfObject:itemId];
|
||
if (oldIndex == NSNotFound) {
|
||
OWSFailDebug(@"Can't find index of deleted view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
|
||
[updateItems addObject:[[ConversationUpdateItem alloc] initWithUpdateItemType:ConversationUpdateItemType_Delete
|
||
oldIndex:oldIndex
|
||
newIndex:NSNotFound
|
||
viewItem:nil]];
|
||
[transformedItemList removeObject:itemId];
|
||
}
|
||
|
||
// 2. Inserts - Always perform inserts before updates.
|
||
//
|
||
// NOTE: We DO NOT use reverseObjectEnumerator.
|
||
for (NSString *itemId in insertedItemIdList) {
|
||
OWSAssertDebug(![oldItemIdSet containsObject:itemId]);
|
||
OWSAssertDebug([newItemIdSet containsObject:itemId]);
|
||
|
||
NSUInteger newIndex = [newItemIdList indexOfObject:itemId];
|
||
if (newIndex == NSNotFound) {
|
||
OWSFailDebug(@"Can't find index of inserted view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
id<ConversationViewItem> _Nullable viewItem = newViewItemMap[itemId];
|
||
if (!viewItem) {
|
||
OWSFailDebug(@"Can't find inserted view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
|
||
[updateItems addObject:[[ConversationUpdateItem alloc] initWithUpdateItemType:ConversationUpdateItemType_Insert
|
||
oldIndex:NSNotFound
|
||
newIndex:newIndex
|
||
viewItem:viewItem]];
|
||
[transformedItemList insertObject:itemId atIndex:newIndex];
|
||
}
|
||
|
||
if (![newItemIdList isEqualToArray:transformedItemList]) {
|
||
// We should be able to represent all transformations as a series of
|
||
// inserts, updates and deletes - moves should not be necessary.
|
||
//
|
||
// TODO: The unread indicator might end up being an exception.
|
||
OWSLogWarn(@"New and updated view item lists don't match.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
|
||
// In addition to "update" items from the database change notification,
|
||
// we may need to update other items. One example is neighbors of modified
|
||
// cells. Another is cells whose appearance has changed due to the passage
|
||
// of time. We detect "dirty" items by whether or not they have cached layout
|
||
// state, since that is cleared whenever we change the properties of the
|
||
// item that affect its appearance.
|
||
//
|
||
// This replaces the setCellDrawingDependencyOffsets/
|
||
// YapDatabaseViewChangedDependency logic offered by YDB mappings,
|
||
// which only reflects changes in the data store, not at the view
|
||
// level.
|
||
NSMutableSet<NSString *> *updatedItemSet = [updatedItemSetParam mutableCopy];
|
||
NSMutableSet<NSString *> *updatedNeighborItemSet = [NSMutableSet new];
|
||
for (NSString *itemId in newItemIdSet) {
|
||
if (![oldItemIdSet containsObject:itemId]) {
|
||
continue;
|
||
}
|
||
if ([insertedItemIdSet containsObject:itemId] || [updatedItemSet containsObject:itemId]) {
|
||
continue;
|
||
}
|
||
OWSAssertDebug(![deletedItemIdSet containsObject:itemId]);
|
||
|
||
NSUInteger newIndex = [newItemIdList indexOfObject:itemId];
|
||
if (newIndex == NSNotFound) {
|
||
OWSFailDebug(@"Can't find index of holdover view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
id<ConversationViewItem> _Nullable viewItem = newViewItemMap[itemId];
|
||
if (!viewItem) {
|
||
OWSFailDebug(@"Can't find holdover view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
if (!viewItem.hasCachedLayoutState) {
|
||
[updatedItemSet addObject:itemId];
|
||
[updatedNeighborItemSet addObject:itemId];
|
||
}
|
||
}
|
||
|
||
// 3. Updates.
|
||
//
|
||
// NOTE: Order doesn't matter.
|
||
for (NSString *itemId in updatedItemSet) {
|
||
if (![newItemIdList containsObject:itemId]) {
|
||
OWSFailDebug(@"Updated view item not in new view item list.");
|
||
continue;
|
||
}
|
||
if ([insertedItemIdList containsObject:itemId]) {
|
||
continue;
|
||
}
|
||
NSUInteger oldIndex = [oldItemIdList indexOfObject:itemId];
|
||
if (oldIndex == NSNotFound) {
|
||
OWSFailDebug(@"Can't find old index of updated view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
NSUInteger newIndex = [newItemIdList indexOfObject:itemId];
|
||
if (newIndex == NSNotFound) {
|
||
OWSFailDebug(@"Can't find new index of updated view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
id<ConversationViewItem> _Nullable viewItem = newViewItemMap[itemId];
|
||
if (!viewItem) {
|
||
OWSFailDebug(@"Can't find inserted view item.");
|
||
return [self.delegate conversationViewModelDidUpdateWithSneakyTransaction:ConversationUpdate.reloadUpdate];
|
||
}
|
||
[updateItems addObject:[[ConversationUpdateItem alloc] initWithUpdateItemType:ConversationUpdateItemType_Update
|
||
oldIndex:oldIndex
|
||
newIndex:newIndex
|
||
viewItem:viewItem]];
|
||
}
|
||
|
||
BOOL shouldAnimateUpdates = [self shouldAnimateUpdateItems:updateItems
|
||
oldViewItemCount:oldItemIdList.count
|
||
updatedNeighborItemSet:updatedNeighborItemSet];
|
||
|
||
return [self.delegate
|
||
conversationViewModelDidUpdateWithSneakyTransaction:[ConversationUpdate
|
||
diffUpdateWithUpdateItems:updateItems
|
||
shouldAnimateUpdates:shouldAnimateUpdates]];
|
||
}
|
||
|
||
- (BOOL)shouldAnimateUpdateItems:(NSArray<ConversationUpdateItem *> *)updateItems
|
||
oldViewItemCount:(NSUInteger)oldViewItemCount
|
||
updatedNeighborItemSet:(nullable NSMutableSet<NSString *> *)updatedNeighborItemSet
|
||
{
|
||
OWSAssertDebug(updateItems);
|
||
|
||
// If user sends a new outgoing message, don't animate the change.
|
||
BOOL isOnlyModifyingLastMessage = YES;
|
||
for (ConversationUpdateItem *updateItem in updateItems) {
|
||
switch (updateItem.updateItemType) {
|
||
case ConversationUpdateItemType_Delete:
|
||
isOnlyModifyingLastMessage = NO;
|
||
break;
|
||
case ConversationUpdateItemType_Insert: {
|
||
id<ConversationViewItem> viewItem = updateItem.viewItem;
|
||
OWSAssertDebug(viewItem);
|
||
switch (viewItem.interaction.interactionType) {
|
||
case OWSInteractionType_IncomingMessage:
|
||
case OWSInteractionType_OutgoingMessage:
|
||
case OWSInteractionType_TypingIndicator:
|
||
if (updateItem.newIndex < oldViewItemCount) {
|
||
isOnlyModifyingLastMessage = NO;
|
||
}
|
||
break;
|
||
default:
|
||
isOnlyModifyingLastMessage = NO;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
case ConversationUpdateItemType_Update: {
|
||
id<ConversationViewItem> viewItem = updateItem.viewItem;
|
||
if ([updatedNeighborItemSet containsObject:viewItem.itemId]) {
|
||
continue;
|
||
}
|
||
OWSAssertDebug(viewItem);
|
||
switch (viewItem.interaction.interactionType) {
|
||
case OWSInteractionType_IncomingMessage:
|
||
case OWSInteractionType_OutgoingMessage:
|
||
case OWSInteractionType_TypingIndicator:
|
||
// We skip animations for the last _two_
|
||
// interactions, not one since there
|
||
// may be a typing indicator.
|
||
if (updateItem.newIndex + 2 < updateItems.count) {
|
||
isOnlyModifyingLastMessage = NO;
|
||
}
|
||
break;
|
||
default:
|
||
isOnlyModifyingLastMessage = NO;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
BOOL shouldAnimateRowUpdates = !isOnlyModifyingLastMessage;
|
||
return shouldAnimateRowUpdates;
|
||
}
|
||
|
||
- (void)createNewMessageMappingWithTransaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
if (self.thread.uniqueId.length < 1) {
|
||
OWSFailDebug(@"uniqueId unexpectedly empty for thread: %@", self.thread);
|
||
}
|
||
|
||
self.messageMapping = [[ConversationMessageMapping alloc] initWithThread:self.thread
|
||
desiredLength:self.initialMessageMappingLength
|
||
isNoteToSelf:self.thread.isNoteToSelf];
|
||
|
||
NSError *error;
|
||
[self.messageMapping updateWithTransaction:transaction error:&error];
|
||
if (error != nil) {
|
||
OWSFailDebug(@"failure: %@", error);
|
||
}
|
||
}
|
||
|
||
// This is more expensive than incremental updates.
|
||
//
|
||
// We call `resetMapping` for two separate reasons:
|
||
//
|
||
// * Most of the time, we call `resetMapping` after a severe error to get back into a known good state.
|
||
// We then call `conversationViewModelDidReset` to get the view back into a known good state (by
|
||
// scrolling to the bottom).
|
||
// * We also call `resetMapping` to load an additional page of older message. We very much _do not_
|
||
// want to change view scroll state in this case.
|
||
- (void)resetMappingWithSneakyTransaction
|
||
{
|
||
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
|
||
[self resetMappingWithTransaction:transaction];
|
||
}];
|
||
}
|
||
|
||
- (void)resetMappingWithTransaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
OWSAssertDebug(self.messageMapping);
|
||
[self resetMappingWithAdditionalLength:0 transaction:transaction];
|
||
}
|
||
|
||
- (void)resetMappingWithAdditionalLength:(NSUInteger)additionalLength transaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
OWSAssertDebug(self.messageMapping);
|
||
|
||
[self updateMessageMappingWithAdditionalLength:additionalLength transaction:transaction];
|
||
|
||
self.collapseCutoffDate = [NSDate new];
|
||
|
||
[self ensureDynamicInteractionsAndUpdateIfNecessary:NO transaction:transaction];
|
||
|
||
if (![self reloadViewItemsWithTransaction:transaction]) {
|
||
OWSFailDebug(@"failed to reload view items in resetMapping.");
|
||
}
|
||
|
||
[self.delegate conversationViewModelDidUpdate:ConversationUpdate.reloadUpdate transaction:transaction];
|
||
}
|
||
|
||
- (void)applicationWillEnterForeground:(NSNotification *)notification
|
||
{
|
||
[self touchDbAsync];
|
||
}
|
||
|
||
#pragma mark - View Items
|
||
|
||
- (void)ensureConversationProfileStateWithTransaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
if (self.conversationProfileState) {
|
||
return;
|
||
}
|
||
|
||
// Many OWSProfileManager methods aren't safe to call from inside a database
|
||
// transaction, so do this work now.
|
||
//
|
||
// TODO: It'd be nice if these methods took a transaction.
|
||
BOOL hasLocalProfile = [self.profileManager hasLocalProfile];
|
||
BOOL isThreadInProfileWhitelist = [self.profileManager isThreadInProfileWhitelist:self.thread
|
||
transaction:transaction];
|
||
BOOL hasUnwhitelistedMember = NO;
|
||
for (SignalServiceAddress *address in self.thread.recipientAddresses) {
|
||
if (![self.profileManager isUserInProfileWhitelist:address transaction:transaction]) {
|
||
hasUnwhitelistedMember = YES;
|
||
break;
|
||
}
|
||
}
|
||
|
||
ConversationProfileState *conversationProfileState = [ConversationProfileState new];
|
||
conversationProfileState.hasLocalProfile = hasLocalProfile;
|
||
conversationProfileState.isThreadInProfileWhitelist = isThreadInProfileWhitelist;
|
||
conversationProfileState.hasUnwhitelistedMember = hasUnwhitelistedMember;
|
||
self.conversationProfileState = conversationProfileState;
|
||
}
|
||
|
||
- (nullable OWSContactOffersInteraction *)tryToBuildContactOffersInteractionWithTransaction:
|
||
(SDSAnyReadTransaction *)transaction
|
||
canLoadMoreItems:(BOOL)canLoadMoreItems
|
||
{
|
||
OWSAssertDebug(transaction);
|
||
OWSAssertDebug(self.conversationProfileState);
|
||
|
||
// Only show the contacts offer if the message request feature is disabled
|
||
if (SSKFeatureFlags.messageRequest) {
|
||
return nil;
|
||
}
|
||
|
||
if (canLoadMoreItems) {
|
||
// Only show contact offers at the start of the conversation.
|
||
return nil;
|
||
}
|
||
|
||
BOOL hasLocalProfile = self.conversationProfileState.hasLocalProfile;
|
||
BOOL isThreadInProfileWhitelist = self.conversationProfileState.isThreadInProfileWhitelist;
|
||
BOOL hasUnwhitelistedMember = self.conversationProfileState.hasUnwhitelistedMember;
|
||
|
||
TSThread *thread = self.thread;
|
||
BOOL isContactThread = [thread isKindOfClass:[TSContactThread class]];
|
||
if (!isContactThread) {
|
||
return nil;
|
||
}
|
||
TSContactThread *contactThread = (TSContactThread *)thread;
|
||
if (contactThread.hasDismissedOffers) {
|
||
return nil;
|
||
}
|
||
|
||
TSInteraction *firstCallOrMessage = [self firstCallOrMessageForLoadedInteractionsWithTransaction:transaction];
|
||
if (!firstCallOrMessage) {
|
||
return nil;
|
||
}
|
||
|
||
BOOL hasTooManyOutgoingMessagesToBlock;
|
||
if (self.hasTooManyOutgoingMessagesToBlockCached) {
|
||
hasTooManyOutgoingMessagesToBlock = YES;
|
||
} else {
|
||
NSUInteger outgoingMessageCount = [[[InteractionFinder alloc] initWithThreadUniqueId:thread.uniqueId]
|
||
outgoingMessageCountWithTransaction:transaction];
|
||
const int kMaxBlockOfferOutgoingMessageCount = 10;
|
||
hasTooManyOutgoingMessagesToBlock = (outgoingMessageCount > kMaxBlockOfferOutgoingMessageCount);
|
||
self.hasTooManyOutgoingMessagesToBlockCached = hasTooManyOutgoingMessagesToBlock;
|
||
}
|
||
|
||
BOOL shouldHaveBlockOffer = YES;
|
||
BOOL shouldHaveAddToContactsOffer = YES;
|
||
BOOL shouldHaveAddToProfileWhitelistOffer = YES;
|
||
|
||
SignalServiceAddress *recipientAddress = contactThread.contactAddress;
|
||
|
||
if (recipientAddress.isLocalAddress) {
|
||
// Don't add self to contacts.
|
||
shouldHaveAddToContactsOffer = NO;
|
||
// Don't bother to block self.
|
||
shouldHaveBlockOffer = NO;
|
||
// Don't bother adding self to profile whitelist.
|
||
shouldHaveAddToProfileWhitelistOffer = NO;
|
||
} else {
|
||
if ([self.blockingManager isAddressBlocked:recipientAddress]) {
|
||
// Only create "add to contacts" offers for users which are not already blocked.
|
||
shouldHaveAddToContactsOffer = NO;
|
||
// Only create block offers for users which are not already blocked.
|
||
shouldHaveBlockOffer = NO;
|
||
// Don't create profile whitelist offers for users which are not already blocked.
|
||
shouldHaveAddToProfileWhitelistOffer = NO;
|
||
}
|
||
|
||
if ([self.contactsManager hasNameInSystemContactsForAddress:recipientAddress]) {
|
||
// Only create "add to contacts" offers for non-contacts.
|
||
shouldHaveAddToContactsOffer = NO;
|
||
// Only create block offers for non-contacts.
|
||
shouldHaveBlockOffer = NO;
|
||
// Don't create profile whitelist offers for non-contacts.
|
||
shouldHaveAddToProfileWhitelistOffer = NO;
|
||
}
|
||
}
|
||
|
||
if (hasTooManyOutgoingMessagesToBlock) {
|
||
// If the user has sent more than N messages, don't show a block offer.
|
||
shouldHaveBlockOffer = NO;
|
||
}
|
||
|
||
BOOL hasOutgoingBeforeIncomingInteraction = [firstCallOrMessage isKindOfClass:[TSOutgoingMessage class]];
|
||
if ([firstCallOrMessage isKindOfClass:[TSCall class]]) {
|
||
TSCall *call = (TSCall *)firstCallOrMessage;
|
||
hasOutgoingBeforeIncomingInteraction
|
||
= (call.callType == RPRecentCallTypeOutgoing || call.callType == RPRecentCallTypeOutgoingIncomplete);
|
||
}
|
||
if (hasOutgoingBeforeIncomingInteraction) {
|
||
// If there is an outgoing message before an incoming message
|
||
// the local user initiated this conversation, don't show a block offer.
|
||
shouldHaveBlockOffer = NO;
|
||
}
|
||
|
||
if (!hasLocalProfile || isThreadInProfileWhitelist) {
|
||
// Don't show offer if thread is local user hasn't configured their profile.
|
||
// Don't show offer if thread is already in profile whitelist.
|
||
shouldHaveAddToProfileWhitelistOffer = NO;
|
||
} else if (thread.isGroupThread && !hasUnwhitelistedMember) {
|
||
// Don't show offer in group thread if all members are already individually
|
||
// whitelisted.
|
||
shouldHaveAddToProfileWhitelistOffer = NO;
|
||
}
|
||
|
||
// We can't add a user to contacts that doesn't have a phone number
|
||
if (recipientAddress.phoneNumber == nil) {
|
||
shouldHaveAddToContactsOffer = NO;
|
||
}
|
||
|
||
BOOL shouldHaveContactOffers
|
||
= (shouldHaveBlockOffer || shouldHaveAddToContactsOffer || shouldHaveAddToProfileWhitelistOffer);
|
||
|
||
if (!shouldHaveContactOffers) {
|
||
return nil;
|
||
}
|
||
|
||
// We want the offers to be the first interactions in their
|
||
// conversation's timeline, so we back-date them to slightly before
|
||
// the first message - or at an arbitrary old timestamp if the
|
||
// conversation has no messages.
|
||
uint64_t contactOffersTimestamp = firstCallOrMessage.timestamp - 1;
|
||
// This view model uses the "unique id" to identify this interaction,
|
||
// but the interaction is never saved in the database so the specific
|
||
// value doesn't matter.
|
||
NSString *uniqueId = @"contact-offers";
|
||
OWSContactOffersInteraction *offersMessage =
|
||
[[OWSContactOffersInteraction alloc] initWithUniqueId:uniqueId
|
||
timestamp:contactOffersTimestamp
|
||
thread:thread
|
||
hasBlockOffer:shouldHaveBlockOffer
|
||
hasAddToContactsOffer:shouldHaveAddToContactsOffer
|
||
hasAddToProfileWhitelistOffer:shouldHaveAddToProfileWhitelistOffer
|
||
beforeInteractionId:firstCallOrMessage.uniqueId];
|
||
|
||
OWSLogInfo(@"Creating contact offers: %@ (%llu)", offersMessage.uniqueId, offersMessage.sortId);
|
||
return offersMessage;
|
||
}
|
||
|
||
// This is a key method. It builds or rebuilds the list of
|
||
// cell view models.
|
||
//
|
||
// Returns NO on error.
|
||
- (BOOL)reloadViewItemsWithSneakyTransaction
|
||
{
|
||
__block BOOL result;
|
||
|
||
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
|
||
result = [self reloadViewItemsWithTransaction:transaction];
|
||
}];
|
||
|
||
return result;
|
||
}
|
||
|
||
- (BOOL)reloadViewItemsWithTransaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
NSMutableArray<id<ConversationViewItem>> *viewItems = [NSMutableArray new];
|
||
NSMutableDictionary<NSString *, id<ConversationViewItem>> *viewItemCache = [NSMutableDictionary new];
|
||
|
||
[self ensureConversationProfileStateWithTransaction:transaction];
|
||
|
||
ConversationStyle *conversationStyle = self.delegate.conversationStyle;
|
||
|
||
__block BOOL hasError = NO;
|
||
_Nullable id<ConversationViewItem> (^tryToAddViewItem)(TSInteraction *)
|
||
= ^(TSInteraction *interaction) {
|
||
OWSAssertDebug(interaction.uniqueId.length > 0);
|
||
|
||
id<ConversationViewItem> _Nullable viewItem = self.viewItemCache[interaction.uniqueId];
|
||
if (!viewItem) {
|
||
viewItem = [[ConversationInteractionViewItem alloc] initWithInteraction:interaction
|
||
thread:self.thread
|
||
transaction:transaction
|
||
conversationStyle:conversationStyle];
|
||
}
|
||
OWSAssertDebug(!viewItemCache[interaction.uniqueId]);
|
||
viewItemCache[interaction.uniqueId] = viewItem;
|
||
|
||
if (viewItem.messageCellType == OWSMessageCellType_StickerMessage && viewItem.stickerAttachment == nil
|
||
&& !viewItem.isFailedSticker) {
|
||
return (id<ConversationViewItem>)nil;
|
||
}
|
||
|
||
[viewItems addObject:viewItem];
|
||
|
||
return viewItem;
|
||
};
|
||
|
||
NSMutableSet<NSString *> *interactionIds = [NSMutableSet new];
|
||
BOOL canLoadMoreItems = self.messageMapping.canLoadMore;
|
||
NSMutableArray<TSInteraction *> *interactions = [NSMutableArray new];
|
||
|
||
for (TSInteraction *interaction in self.messageMapping.loadedInteractions) {
|
||
if (!interaction.uniqueId) {
|
||
OWSFailDebug(@"invalid interaction in message mapping: %@.", interaction);
|
||
// TODO: Add analytics.
|
||
hasError = YES;
|
||
continue;
|
||
}
|
||
[interactions addObject:interaction];
|
||
if ([interactionIds containsObject:interaction.uniqueId]) {
|
||
OWSFailDebug(@"Duplicate interaction: %@", interaction.uniqueId);
|
||
continue;
|
||
}
|
||
[interactionIds addObject:interaction.uniqueId];
|
||
}
|
||
|
||
OWSContactOffersInteraction *_Nullable offers =
|
||
[self tryToBuildContactOffersInteractionWithTransaction:transaction canLoadMoreItems:canLoadMoreItems];
|
||
if (offers && [interactionIds containsObject:offers.beforeInteractionId]) {
|
||
id<ConversationViewItem> _Nullable offersItem = tryToAddViewItem(offers);
|
||
if (!offersItem) {
|
||
OWSFailDebug(@"Contact offers should never be filtered out.");
|
||
// Do nothing.
|
||
} else if ([offersItem.interaction isKindOfClass:[OWSContactOffersInteraction class]]) {
|
||
OWSContactOffersInteraction *oldOffers = (OWSContactOffersInteraction *)offersItem.interaction;
|
||
BOOL didChange = (oldOffers.hasBlockOffer != offers.hasBlockOffer
|
||
|| oldOffers.hasAddToContactsOffer != offers.hasAddToContactsOffer
|
||
|| oldOffers.hasAddToProfileWhitelistOffer != offers.hasAddToProfileWhitelistOffer);
|
||
if (didChange) {
|
||
[offersItem clearCachedLayoutState];
|
||
}
|
||
} else {
|
||
OWSFailDebug(@"Unexpected offers item: %@", offersItem.interaction.class);
|
||
}
|
||
}
|
||
|
||
for (TSInteraction *interaction in interactions) {
|
||
tryToAddViewItem(interaction);
|
||
}
|
||
|
||
// POST GRDB TODO seems like this redundant sorting can go away with GRDB
|
||
// This will usually be redundant, but this will resolve one of the symptoms
|
||
// of the "corrupt YDB view" issue caused by multi-process writes.
|
||
[viewItems sortUsingComparator:^NSComparisonResult(id<ConversationViewItem> left, id<ConversationViewItem> right) {
|
||
return [left.interaction compareForSorting:right.interaction];
|
||
}];
|
||
|
||
if (self.unsavedOutgoingMessages.count > 0) {
|
||
for (TSOutgoingMessage *outgoingMessage in self.unsavedOutgoingMessages) {
|
||
if ([interactionIds containsObject:outgoingMessage.uniqueId]) {
|
||
OWSFailDebug(@"Duplicate interaction: %@", outgoingMessage.uniqueId);
|
||
continue;
|
||
}
|
||
if (tryToAddViewItem(outgoingMessage) != nil) {
|
||
[interactionIds addObject:outgoingMessage.uniqueId];
|
||
}
|
||
}
|
||
}
|
||
|
||
if (self.typingIndicatorsSender) {
|
||
OWSTypingIndicatorInteraction *typingIndicatorInteraction =
|
||
[[OWSTypingIndicatorInteraction alloc] initWithThread:self.thread
|
||
timestamp:[NSDate ows_millisecondTimeStamp]
|
||
address:self.typingIndicatorsSender];
|
||
tryToAddViewItem(typingIndicatorInteraction);
|
||
}
|
||
|
||
// Flag to ensure that we only increment once per launch.
|
||
if (hasError) {
|
||
OWSLogWarn(@"incrementing version of: %@", TSMessageDatabaseViewExtensionName);
|
||
if (SSKFeatureFlags.storageMode == StorageModeYdb) {
|
||
[OWSPrimaryStorage incrementVersionOfDatabaseExtension:TSMessageDatabaseViewExtensionName];
|
||
}
|
||
}
|
||
|
||
// Update the "break" properties (shouldShowDate and unreadIndicator) of the view items.
|
||
BOOL shouldShowDateOnNextViewItem = YES;
|
||
uint64_t previousViewItemTimestamp = 0;
|
||
OWSUnreadIndicator *_Nullable unreadIndicator = self.dynamicInteractions.unreadIndicator;
|
||
uint64_t collapseCutoffTimestamp = [NSDate ows_millisecondsSince1970ForDate:self.collapseCutoffDate];
|
||
|
||
BOOL hasPlacedUnreadIndicator = NO;
|
||
for (id<ConversationViewItem> viewItem in viewItems) {
|
||
BOOL canShowDate = NO;
|
||
switch (viewItem.interaction.interactionType) {
|
||
case OWSInteractionType_Unknown:
|
||
case OWSInteractionType_TypingIndicator:
|
||
case OWSInteractionType_ThreadDetails:
|
||
case OWSInteractionType_Offer:
|
||
canShowDate = NO;
|
||
break;
|
||
case OWSInteractionType_IncomingMessage:
|
||
case OWSInteractionType_OutgoingMessage:
|
||
case OWSInteractionType_Error:
|
||
case OWSInteractionType_Info:
|
||
case OWSInteractionType_Call:
|
||
canShowDate = YES;
|
||
break;
|
||
}
|
||
|
||
uint64_t viewItemTimestamp = viewItem.interaction.timestamp;
|
||
OWSAssertDebug(viewItemTimestamp > 0);
|
||
|
||
BOOL shouldShowDate = NO;
|
||
if (previousViewItemTimestamp == 0) {
|
||
// Only show for the first item if the date is not today
|
||
shouldShowDateOnNextViewItem
|
||
= ![DateUtil dateIsToday:[NSDate ows_dateWithMillisecondsSince1970:viewItemTimestamp]];
|
||
} else if (![DateUtil isSameDayWithTimestamp:previousViewItemTimestamp timestamp:viewItemTimestamp]) {
|
||
shouldShowDateOnNextViewItem = YES;
|
||
}
|
||
|
||
if (shouldShowDateOnNextViewItem && canShowDate) {
|
||
shouldShowDate = YES;
|
||
shouldShowDateOnNextViewItem = NO;
|
||
}
|
||
|
||
viewItem.shouldShowDate = shouldShowDate;
|
||
|
||
previousViewItemTimestamp = viewItemTimestamp;
|
||
|
||
// When a conversation without unread messages receives an incoming message,
|
||
// we call ensureDynamicInteractions to ensure that the unread indicator (etc.)
|
||
// state is updated accordingly. However this is done in a separate transaction.
|
||
// We don't want to show the incoming message _without_ an unread indicator and
|
||
// then immediately re-render it _with_ an unread indicator.
|
||
//
|
||
// To avoid this, we use a temporary instance of OWSUnreadIndicator whenever
|
||
// we find an unread message that _should_ have an unread indicator, but no
|
||
// unread indicator exists yet on dynamicInteractions.
|
||
BOOL isItemUnread = ([viewItem.interaction conformsToProtocol:@protocol(OWSReadTracking)]
|
||
&& !((id<OWSReadTracking>)viewItem.interaction).wasRead);
|
||
if (isItemUnread && !unreadIndicator && !hasPlacedUnreadIndicator && !self.hasClearedUnreadMessagesIndicator) {
|
||
unreadIndicator = [[OWSUnreadIndicator alloc] initWithFirstUnseenSortId:viewItem.interaction.sortId
|
||
hasMoreUnseenMessages:NO
|
||
missingUnseenSafetyNumberChangeCount:0
|
||
unreadIndicatorPosition:0];
|
||
}
|
||
|
||
// Place the unread indicator onto the first appropriate view item,
|
||
// if any.
|
||
if (unreadIndicator && viewItem.interaction.sortId >= unreadIndicator.firstUnseenSortId) {
|
||
viewItem.unreadIndicator = unreadIndicator;
|
||
unreadIndicator = nil;
|
||
hasPlacedUnreadIndicator = YES;
|
||
} else {
|
||
viewItem.unreadIndicator = nil;
|
||
}
|
||
}
|
||
if (unreadIndicator) {
|
||
// This isn't necessarily a bug - all of the interactions after the
|
||
// unread indicator may have disappeared or been deleted.
|
||
OWSLogWarn(@"Couldn't find an interaction to hang the unread indicator on.");
|
||
}
|
||
|
||
// Update the properties of the view items.
|
||
//
|
||
// NOTE: This logic uses the break properties which are set in the previous pass.
|
||
for (NSUInteger i = 0; i < viewItems.count; i++) {
|
||
id<ConversationViewItem> viewItem = viewItems[i];
|
||
id<ConversationViewItem> _Nullable previousViewItem = (i > 0 ? viewItems[i - 1] : nil);
|
||
id<ConversationViewItem> _Nullable nextViewItem = (i + 1 < viewItems.count ? viewItems[i + 1] : nil);
|
||
BOOL shouldShowSenderAvatar = NO;
|
||
BOOL shouldHideFooter = NO;
|
||
BOOL isFirstInCluster = YES;
|
||
BOOL isLastInCluster = YES;
|
||
NSAttributedString *_Nullable senderName = nil;
|
||
NSString *_Nullable accessibilityAuthorName = nil;
|
||
|
||
OWSInteractionType interactionType = viewItem.interaction.interactionType;
|
||
NSString *timestampText = [DateUtil formatTimestampShort:viewItem.interaction.timestamp];
|
||
|
||
if (interactionType == OWSInteractionType_OutgoingMessage) {
|
||
|
||
TSOutgoingMessage *outgoingMessage = (TSOutgoingMessage *)viewItem.interaction;
|
||
MessageReceiptStatus receiptStatus =
|
||
[MessageRecipientStatusUtils recipientStatusWithOutgoingMessage:outgoingMessage];
|
||
BOOL isDisappearingMessage = outgoingMessage.hasPerConversationExpiration;
|
||
accessibilityAuthorName = NSLocalizedString(
|
||
@"ACCESSIBILITY_LABEL_SENDER_SELF", @"Accessibility label for messages sent by you.");
|
||
|
||
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
|
||
TSOutgoingMessage *nextOutgoingMessage = (TSOutgoingMessage *)nextViewItem.interaction;
|
||
MessageReceiptStatus nextReceiptStatus =
|
||
[MessageRecipientStatusUtils recipientStatusWithOutgoingMessage:nextOutgoingMessage];
|
||
NSString *nextTimestampText = [DateUtil formatTimestampShort:nextViewItem.interaction.timestamp];
|
||
|
||
// We can skip the "outgoing message status" footer if the next message
|
||
// has the same footer and no "date break" separates us...
|
||
// ...but always show "failed to send" status
|
||
// ...and always show the "disappearing messages" animation.
|
||
shouldHideFooter
|
||
= ([timestampText isEqualToString:nextTimestampText] && receiptStatus == nextReceiptStatus
|
||
&& outgoingMessage.messageState != TSOutgoingMessageStateFailed
|
||
&& outgoingMessage.messageState != TSOutgoingMessageStateSending && !nextViewItem.hasCellHeader
|
||
&& !isDisappearingMessage);
|
||
}
|
||
|
||
// clustering
|
||
if (previousViewItem == nil) {
|
||
isFirstInCluster = YES;
|
||
} else if (viewItem.hasCellHeader) {
|
||
isFirstInCluster = YES;
|
||
} else {
|
||
isFirstInCluster = previousViewItem.interaction.interactionType != OWSInteractionType_OutgoingMessage;
|
||
}
|
||
|
||
if (nextViewItem == nil) {
|
||
isLastInCluster = YES;
|
||
} else if (nextViewItem.hasCellHeader) {
|
||
isLastInCluster = YES;
|
||
} else {
|
||
isLastInCluster = nextViewItem.interaction.interactionType != OWSInteractionType_OutgoingMessage;
|
||
}
|
||
} else if (interactionType == OWSInteractionType_IncomingMessage) {
|
||
|
||
TSIncomingMessage *incomingMessage = (TSIncomingMessage *)viewItem.interaction;
|
||
SignalServiceAddress *incomingSenderAddress = incomingMessage.authorAddress;
|
||
OWSAssertDebug(incomingSenderAddress.isValid);
|
||
BOOL isDisappearingMessage = incomingMessage.hasPerConversationExpiration;
|
||
accessibilityAuthorName = [self.contactsManager displayNameForAddress:incomingSenderAddress
|
||
transaction:transaction];
|
||
if (viewItem.interaction.interactionType == OWSInteractionType_ThreadDetails) {
|
||
viewItem.senderUsername = [self.profileManager usernameForAddress:incomingSenderAddress
|
||
transaction:transaction];
|
||
}
|
||
|
||
SignalServiceAddress *_Nullable nextIncomingSenderAddress = nil;
|
||
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
|
||
TSIncomingMessage *nextIncomingMessage = (TSIncomingMessage *)nextViewItem.interaction;
|
||
nextIncomingSenderAddress = nextIncomingMessage.authorAddress;
|
||
OWSAssertDebug(nextIncomingSenderAddress.isValid);
|
||
}
|
||
|
||
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
|
||
NSString *nextTimestampText = [DateUtil formatTimestampShort:nextViewItem.interaction.timestamp];
|
||
// We can skip the "incoming message status" footer in a cluster if the next message
|
||
// has the same footer and no "date break" separates us.
|
||
// ...but always show the "disappearing messages" animation.
|
||
shouldHideFooter = ([timestampText isEqualToString:nextTimestampText] && !nextViewItem.hasCellHeader
|
||
&& ((!incomingSenderAddress && !nextIncomingSenderAddress) ||
|
||
[incomingSenderAddress isEqualToAddress:nextIncomingSenderAddress])
|
||
&& !isDisappearingMessage);
|
||
}
|
||
|
||
// clustering
|
||
if (previousViewItem == nil) {
|
||
isFirstInCluster = YES;
|
||
} else if (viewItem.hasCellHeader) {
|
||
isFirstInCluster = YES;
|
||
} else if (previousViewItem.interaction.interactionType != OWSInteractionType_IncomingMessage) {
|
||
isFirstInCluster = YES;
|
||
} else {
|
||
TSIncomingMessage *previousIncomingMessage = (TSIncomingMessage *)previousViewItem.interaction;
|
||
isFirstInCluster = ![incomingSenderAddress isEqualToAddress:previousIncomingMessage.authorAddress];
|
||
}
|
||
|
||
if (nextViewItem == nil) {
|
||
isLastInCluster = YES;
|
||
} else if (nextViewItem.interaction.interactionType != OWSInteractionType_IncomingMessage) {
|
||
isLastInCluster = YES;
|
||
} else if (nextViewItem.hasCellHeader) {
|
||
isLastInCluster = YES;
|
||
} else {
|
||
TSIncomingMessage *nextIncomingMessage = (TSIncomingMessage *)nextViewItem.interaction;
|
||
isLastInCluster = ![incomingSenderAddress isEqualToAddress:nextIncomingMessage.authorAddress];
|
||
}
|
||
|
||
if (viewItem.isGroupThread) {
|
||
// Show the sender name for incoming group messages unless
|
||
// the previous message has the same sender name and
|
||
// no "date break" separates us.
|
||
BOOL shouldShowSenderName = YES;
|
||
if (previousViewItem && previousViewItem.interaction.interactionType == interactionType) {
|
||
|
||
TSIncomingMessage *previousIncomingMessage = (TSIncomingMessage *)previousViewItem.interaction;
|
||
SignalServiceAddress *previousIncomingSenderAddress = previousIncomingMessage.authorAddress;
|
||
OWSAssertDebug(previousIncomingSenderAddress.isValid);
|
||
|
||
shouldShowSenderName = ((!incomingSenderAddress && !previousIncomingSenderAddress)
|
||
|| ![incomingSenderAddress isEqualToAddress:previousIncomingSenderAddress]
|
||
|| viewItem.hasCellHeader);
|
||
}
|
||
if (shouldShowSenderName) {
|
||
if (SSKFeatureFlags.profileDisplayChanges) {
|
||
senderName = [[NSAttributedString alloc] initWithString:accessibilityAuthorName];
|
||
} else {
|
||
senderName = [self.contactsManager
|
||
attributedLegacyDisplayNameForAddress:incomingSenderAddress
|
||
primaryAttributes:[OWSMessageBubbleView senderNamePrimaryAttributes]
|
||
secondaryAttributes:[OWSMessageBubbleView senderNameSecondaryAttributes]];
|
||
}
|
||
}
|
||
|
||
// Show the sender avatar for incoming group messages unless
|
||
// the next message has the same sender avatar and
|
||
// no "date break" separates us.
|
||
shouldShowSenderAvatar = YES;
|
||
if (nextViewItem && nextViewItem.interaction.interactionType == interactionType) {
|
||
shouldShowSenderAvatar = ((!incomingSenderAddress && !nextIncomingSenderAddress)
|
||
|| ![incomingSenderAddress isEqualToAddress:nextIncomingSenderAddress]
|
||
|| nextViewItem.hasCellHeader);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (viewItem.interaction.receivedAtTimestamp > collapseCutoffTimestamp) {
|
||
shouldHideFooter = NO;
|
||
}
|
||
|
||
viewItem.isFirstInCluster = isFirstInCluster;
|
||
viewItem.isLastInCluster = isLastInCluster;
|
||
viewItem.shouldShowSenderAvatar = shouldShowSenderAvatar;
|
||
viewItem.shouldHideFooter = shouldHideFooter;
|
||
viewItem.senderName = senderName;
|
||
viewItem.accessibilityAuthorName = accessibilityAuthorName;
|
||
}
|
||
|
||
self.viewState = [[ConversationViewState alloc] initWithViewItems:viewItems];
|
||
self.viewItemCache = viewItemCache;
|
||
|
||
return !hasError;
|
||
}
|
||
|
||
- (void)appendUnsavedOutgoingTextMessage:(TSOutgoingMessage *)outgoingMessage
|
||
{
|
||
// Because the message isn't yet saved, we don't have sufficient information to build
|
||
// in-memory placeholder for message types more complex than plain text.
|
||
OWSAssertDebug(outgoingMessage.attachmentIds.count == 0);
|
||
OWSAssertDebug(outgoingMessage.contactShare == nil);
|
||
|
||
NSMutableArray<TSOutgoingMessage *> *unsavedOutgoingMessages = [self.unsavedOutgoingMessages mutableCopy];
|
||
[unsavedOutgoingMessages addObject:outgoingMessage];
|
||
self.unsavedOutgoingMessages = unsavedOutgoingMessages;
|
||
|
||
[self updateForTransientItems];
|
||
}
|
||
|
||
// Whenever an interaction is modified, we need to reload it from the DB
|
||
// and update the corresponding view item.
|
||
- (void)reloadInteractionForViewItem:(id<ConversationViewItem>)viewItem transaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
OWSAssertDebug(viewItem);
|
||
|
||
// This should never happen, but don't crash in production if we have a bug.
|
||
if (!viewItem) {
|
||
return;
|
||
}
|
||
|
||
TSInteraction *_Nullable interaction;
|
||
if ([viewItem.interaction isKindOfClass:OWSThreadDetailsInteraction.class]) {
|
||
// Thread details is not a persisted interaction.
|
||
// It carries no mutable state, so there's no reason to reload it here.
|
||
interaction = viewItem.interaction;
|
||
} else {
|
||
interaction = [TSInteraction anyFetchWithUniqueId:viewItem.interaction.uniqueId transaction:transaction];
|
||
}
|
||
|
||
if (!interaction) {
|
||
OWSFailDebug(@"could not reload interaction");
|
||
} else {
|
||
[viewItem replaceInteraction:interaction transaction:transaction];
|
||
}
|
||
}
|
||
|
||
- (nullable NSIndexPath *)ensureLoadWindowContainsQuotedReply:(OWSQuotedReplyModel *)quotedReply
|
||
transaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
OWSAssertDebug(quotedReply);
|
||
OWSAssertDebug(quotedReply.timestamp > 0);
|
||
OWSAssertDebug(quotedReply.authorAddress.isValid);
|
||
|
||
if (quotedReply.isRemotelySourced) {
|
||
return nil;
|
||
}
|
||
|
||
TSInteraction *quotedInteraction = [ThreadUtil findInteractionInThreadByTimestamp:quotedReply.timestamp
|
||
authorAddress:quotedReply.authorAddress
|
||
threadUniqueId:self.thread.uniqueId
|
||
transaction:transaction];
|
||
|
||
if (!quotedInteraction) {
|
||
return nil;
|
||
}
|
||
|
||
NSError *error;
|
||
NSIndexPath *_Nullable indexPath = [self.messageMapping ensureLoadWindowContainsUniqueId:quotedInteraction.uniqueId
|
||
transaction:transaction
|
||
error:&error];
|
||
if (error != nil) {
|
||
OWSFailDebug(@"failure: %@", error);
|
||
return nil;
|
||
}
|
||
|
||
self.collapseCutoffDate = [NSDate new];
|
||
|
||
[self ensureDynamicInteractionsAndUpdateIfNecessary:NO transaction:transaction];
|
||
|
||
if (![self reloadViewItemsWithTransaction:transaction]) {
|
||
OWSFailDebug(@"failed to reload view items in resetMapping.");
|
||
}
|
||
|
||
[self.delegate conversationViewModelDidUpdate:ConversationUpdate.reloadUpdate transaction:transaction];
|
||
[self.delegate conversationViewModelRangeDidChangeWithTransaction:transaction];
|
||
|
||
return indexPath;
|
||
}
|
||
|
||
- (nullable NSIndexPath *)ensureLoadWindowContainsInteractionId:(NSString *)interactionId
|
||
transaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
OWSAssertDebug(interactionId);
|
||
|
||
|
||
NSError *error;
|
||
NSIndexPath *_Nullable indexPath =
|
||
[self.messageMapping ensureLoadWindowContainsUniqueId:interactionId transaction:transaction error:&error];
|
||
if (error != nil) {
|
||
OWSFailDebug(@"failure: %@", error);
|
||
return nil;
|
||
}
|
||
|
||
self.collapseCutoffDate = [NSDate new];
|
||
|
||
[self ensureDynamicInteractionsAndUpdateIfNecessary:NO transaction:transaction];
|
||
|
||
if (![self reloadViewItemsWithTransaction:transaction]) {
|
||
OWSFailDebug(@"failed to reload view items in resetMapping.");
|
||
}
|
||
|
||
[self.delegate conversationViewModelDidUpdate:ConversationUpdate.reloadUpdate transaction:transaction];
|
||
[self.delegate conversationViewModelRangeDidChangeWithTransaction:transaction];
|
||
|
||
return indexPath;
|
||
}
|
||
|
||
- (nullable NSNumber *)findGroupIndexOfThreadInteraction:(TSInteraction *)interaction
|
||
transaction:(YapDatabaseReadTransaction *)transaction
|
||
{
|
||
OWSAssertDebug(interaction);
|
||
OWSAssertDebug(transaction);
|
||
|
||
YapDatabaseAutoViewTransaction *_Nullable extension = [transaction extension:TSMessageDatabaseViewExtensionName];
|
||
if (!extension) {
|
||
OWSFailDebug(@"Couldn't load view.");
|
||
return nil;
|
||
}
|
||
|
||
NSUInteger groupIndex = 0;
|
||
BOOL foundInGroup =
|
||
[extension getGroup:nil index:&groupIndex forKey:interaction.uniqueId inCollection:TSInteraction.collection];
|
||
if (!foundInGroup) {
|
||
OWSLogError(@"Couldn't find quoted message in group.");
|
||
return nil;
|
||
}
|
||
return @(groupIndex);
|
||
}
|
||
|
||
- (void)typingIndicatorStateDidChange:(NSNotification *)notification
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
OWSAssertDebug(self.thread);
|
||
|
||
if (notification.object && ![notification.object isEqual:self.thread.uniqueId]) {
|
||
return;
|
||
}
|
||
|
||
self.typingIndicatorsSender = [self.typingIndicators typingAddressForThread:self.thread];
|
||
}
|
||
|
||
- (void)setTypingIndicatorsSender:(nullable SignalServiceAddress *)typingIndicatorsSender
|
||
{
|
||
OWSAssertIsOnMainThread();
|
||
|
||
BOOL didChange = ![NSObject isNullableObject:typingIndicatorsSender equalTo:_typingIndicatorsSender];
|
||
|
||
_typingIndicatorsSender = typingIndicatorsSender;
|
||
|
||
// Update the view items if necessary.
|
||
// We don't have to do this if they haven't been configured yet.
|
||
if (didChange && self.viewState.viewItems != nil) {
|
||
// When we receive an incoming message, we clear any typing indicators
|
||
// from that sender. Ideally, we'd like both changes (disappearance of
|
||
// the typing indicators, appearance of the incoming message) to show up
|
||
// in the view at the same time, rather than as a "jerky" two-step
|
||
// visual change.
|
||
//
|
||
// Unfortunately, the view model learns of these changes by separate
|
||
// channels: the incoming message is a database modification and the
|
||
// typing indicator change arrives via this notification.
|
||
//
|
||
// Therefore we pause briefly before updating the view model to reflect
|
||
// typing indicators state changes so that the database modification
|
||
// can usually arrive first and update the view to reflect both changes.
|
||
__weak ConversationViewModel *weakSelf = self;
|
||
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
|
||
[weakSelf updateForTransientItems];
|
||
});
|
||
}
|
||
}
|
||
|
||
- (nullable TSInteraction *)firstCallOrMessageForLoadedInteractionsWithTransaction:(SDSAnyReadTransaction *)transaction
|
||
{
|
||
for (NSString *uniqueId in self.messageMapping.loadedUniqueIds) {
|
||
TSInteraction *_Nullable interaction = [InteractionFinder fetchSwallowingErrorsWithUniqueId:uniqueId
|
||
transaction:transaction];
|
||
|
||
if (!interaction) {
|
||
if (![uniqueId isEqualToString:OWSThreadDetailsInteraction.ThreadDetailsId]) {
|
||
OWSFailDebug(@"missing interaction in message mapping: %@.", uniqueId);
|
||
}
|
||
continue;
|
||
}
|
||
|
||
switch (interaction.interactionType) {
|
||
case OWSInteractionType_Unknown:
|
||
OWSFailDebug(@"Unknown interaction type.");
|
||
break;
|
||
case OWSInteractionType_Call:
|
||
case OWSInteractionType_IncomingMessage:
|
||
case OWSInteractionType_OutgoingMessage:
|
||
return interaction;
|
||
case OWSInteractionType_Error:
|
||
case OWSInteractionType_Info:
|
||
break;
|
||
case OWSInteractionType_ThreadDetails:
|
||
case OWSInteractionType_TypingIndicator:
|
||
break;
|
||
}
|
||
}
|
||
return nil;
|
||
}
|
||
|
||
@end
|
||
|
||
NS_ASSUME_NONNULL_END
|