Signal-iOS/Signal/src/ViewControllers/HomeView/ConversationListViewController.m
2020-09-01 17:11:07 -03:00

2056 lines
80 KiB
Objective-C

//
// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
//
#import "ConversationListViewController.h"
#import "AppDelegate.h"
#import "AppSettingsViewController.h"
#import "ConversationListCell.h"
#import "OWSNavigationController.h"
#import "RegistrationUtils.h"
#import "Signal-Swift.h"
#import "SignalApp.h"
#import "TSAccountManager.h"
#import "TSGroupThread.h"
#import "ViewControllerUtils.h"
#import <PromiseKit/AnyPromise.h>
#import <SignalCoreKit/NSDate+OWS.h>
#import <SignalCoreKit/Threading.h>
#import <SignalCoreKit/iOSVersions.h>
#import <SignalMessaging/OWSContactsManager.h>
#import <SignalMessaging/SignalMessaging-Swift.h>
#import <SignalMessaging/Theme.h>
#import <SignalMessaging/UIUtil.h>
#import <SignalServiceKit/OWSFormat.h>
#import <SignalServiceKit/OWSMessageSender.h>
#import <SignalServiceKit/OWSMessageUtils.h>
#import <SignalServiceKit/SignalServiceKit-Swift.h>
#import <SignalServiceKit/TSAccountManager.h>
#import <SignalServiceKit/TSOutgoingMessage.h>
#import <StoreKit/StoreKit.h>
NS_ASSUME_NONNULL_BEGIN
NSString *const kArchivedConversationsReuseIdentifier = @"kArchivedConversationsReuseIdentifier";
typedef NS_ENUM(NSInteger, ConversationListMode) {
ConversationListMode_Archive,
ConversationListMode_Inbox,
};
// The bulk of the content in this view is driven by a YapDB view/mapping.
// However, we also want to optionally include ReminderView's at the top
// and an "Archived Conversations" button at the bottom. Rather than introduce
// index-offsets into the Mapping calculation, we introduce two pseudo groups
// to add a top and bottom section to the content, and create cells for those
// sections without consulting the YapMapping.
// This is a bit of a hack, but it consolidates the hacks into the Reminder/Archive section
// and allows us to leaves the bulk of the content logic on the happy path.
NSString *const kReminderViewPseudoGroup = @"kReminderViewPseudoGroup";
NSString *const kArchiveButtonPseudoGroup = @"kArchiveButtonPseudoGroup";
@interface ConversationListViewController () <UITableViewDelegate,
UITableViewDataSource,
UIViewControllerPreviewingDelegate,
UISearchBarDelegate,
ConversationSearchViewDelegate,
UIDatabaseSnapshotDelegate,
OWSBlockListCacheDelegate,
CameraFirstCaptureDelegate>
@property (nonatomic) UITableView *tableView;
@property (nonatomic) UIView *emptyInboxView;
@property (nonatomic) UIView *firstConversationCueView;
@property (nonatomic) UILabel *firstConversationLabel;
@property (nonatomic, readonly) ThreadMapping *threadMapping;
@property (nonatomic) ConversationListMode conversationListMode;
@property (nonatomic) id previewingContext;
@property (nonatomic, readonly) NSCache<NSString *, ThreadViewModel *> *threadViewModelCache;
@property (nonatomic) BOOL isViewVisible;
@property (nonatomic) BOOL shouldObserveDBModifications;
@property (nonatomic) BOOL hasEverAppeared;
// Mark: Search
@property (nonatomic, readonly) OWSSearchBar *searchBar;
@property (nonatomic) ConversationSearchViewController *searchResultsController;
@property (nonatomic, readonly) OWSContactsManager *contactsManager;
@property (nonatomic, readonly) OWSBlockListCache *blocklistCache;
// Views
@property (nonatomic, readonly) UIStackView *reminderStackView;
@property (nonatomic, readonly) UITableViewCell *reminderViewCell;
@property (nonatomic, readonly) ExpirationNagView *expiredView;
@property (nonatomic, readonly) UIView *endOfLifeOSView;
@property (nonatomic, readonly) UIView *deregisteredView;
@property (nonatomic, readonly) UIView *outageView;
@property (nonatomic, readonly) UIView *archiveReminderView;
@property (nonatomic) BOOL hasArchivedThreadsRow;
@property (nonatomic) BOOL hasThemeChanged;
@property (nonatomic) BOOL hasVisibleReminders;
@end
#pragma mark -
@implementation ConversationListViewController
#pragma mark - Init
- (instancetype)init
{
self = [super init];
if (!self) {
return self;
}
_conversationListMode = ConversationListMode_Inbox;
[self commonInit];
return self;
}
- (void)commonInit
{
_blocklistCache = [OWSBlockListCache new];
[_blocklistCache startObservingAndSyncStateWithDelegate:self];
_threadViewModelCache = [NSCache new];
_threadMapping = [ThreadMapping new];
}
#pragma mark - Dependencies
- (OWSContactsManager *)contactsManager
{
return Environment.shared.contactsManager;
}
- (SDSDatabaseStorage *)databaseStorage
{
return SDSDatabaseStorage.shared;
}
- (nullable MessageFetcherJob *)messageFetcherJob
{
return SSKEnvironment.shared.messageFetcherJob;
}
#pragma mark -
- (void)observeNotifications
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(signalAccountsDidChange:)
name:OWSContactsManagerSignalAccountsDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillEnterForeground:)
name:OWSApplicationWillEnterForegroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidBecomeActive:)
name:OWSApplicationDidBecomeActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillResignActive:)
name:OWSApplicationWillResignActiveNotification
object:nil];
OWSAssert(StorageCoordinator.dataStoreForUI == DataStoreGrdb);
[self.databaseStorage appendUIDatabaseSnapshotDelegate:self];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(registrationStateDidChange:)
name:NSNotificationNameRegistrationStateDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(outageStateDidChange:)
name:OutageDetection.outageStateDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(themeDidChange:)
name:ThemeDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(localProfileDidChange:)
name:kNSNotificationNameLocalProfileDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(profileWhitelistDidChange:)
name:kNSNotificationNameProfileWhitelistDidChange
object:nil];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
#pragma mark - Notifications
- (void)signalAccountsDidChange:(id)notification
{
OWSAssertIsOnMainThread();
[self reloadTableViewData];
if (!self.firstConversationCueView.isHidden) {
[self updateFirstConversationLabel];
}
}
- (void)registrationStateDidChange:(id)notification
{
OWSAssertIsOnMainThread();
[self updateReminderViews];
}
- (void)outageStateDidChange:(id)notification
{
OWSAssertIsOnMainThread();
[self updateReminderViews];
}
- (void)localProfileDidChange:(id)notification
{
OWSAssertIsOnMainThread();
[self updateBarButtonItems];
}
#pragma mark - Theme
- (void)themeDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
[self applyTheme];
[self.tableView reloadData];
self.hasThemeChanged = YES;
}
- (void)applyTheme
{
OWSAssertIsOnMainThread();
OWSAssertDebug(self.tableView);
OWSAssertDebug(self.searchBar);
if (self.splitViewController.isCollapsed) {
self.view.backgroundColor = Theme.backgroundColor;
self.tableView.backgroundColor = Theme.backgroundColor;
[self.searchBar switchToStyle:OWSSearchBarStyle_Default];
} else {
self.view.backgroundColor = Theme.secondaryBackgroundColor;
self.tableView.backgroundColor = Theme.secondaryBackgroundColor;
[self.searchBar switchToStyle:OWSSearchBarStyle_SecondaryBar];
}
[self updateBarButtonItems];
}
- (void)viewWillTransitionToSize:(CGSize)size
withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
{
[super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
if (!self.isViewLoaded) {
return;
}
// There is a subtle difference in when the split view controller
// transitions between collapsed and expanded state on iPad vs
// when it does on iPhone. We reloadData here in order to ensure
// the background color of all of our cells is updated to reflect
// the current state, so it's important that we're only doing this
// once the state is ready, otherwise there will be a flash of the
// wrong background color. For iPad, this moment is _before_ the
// transition occurs. For iPhone, this moment is _during_ the
// transition. We reload in the right places accordingly.
if (UIDevice.currentDevice.isIPad) {
[self.tableView reloadData];
}
[coordinator
animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) {
[self applyTheme];
if (!UIDevice.currentDevice.isIPad) {
[self.tableView reloadData];
}
}
completion:nil];
}
#pragma mark - View Life Cycle
- (void)loadView
{
[super loadView];
UIStackView *reminderStackView = [UIStackView new];
_reminderStackView = reminderStackView;
reminderStackView.axis = UILayoutConstraintAxisVertical;
reminderStackView.spacing = 0;
_reminderViewCell = [UITableViewCell new];
self.reminderViewCell.selectionStyle = UITableViewCellSelectionStyleNone;
[self.reminderViewCell.contentView addSubview:reminderStackView];
[reminderStackView autoPinEdgesToSuperviewEdges];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _reminderViewCell);
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, reminderStackView);
__weak ConversationListViewController *weakSelf = self;
ReminderView *deregisteredView = [ReminderView
nagWithText:TSAccountManager.sharedInstance.isPrimaryDevice
? NSLocalizedString(@"DEREGISTRATION_WARNING", @"Label warning the user that they have been de-registered.")
: NSLocalizedString(
@"UNLINKED_WARNING", @"Label warning the user that they have been unlinked from their primary device.")
tapAction:^{
ConversationListViewController *strongSelf = weakSelf;
if (!strongSelf) {
return;
}
[RegistrationUtils showReregistrationUIFromViewController:strongSelf];
}];
_deregisteredView = deregisteredView;
[reminderStackView addArrangedSubview:deregisteredView];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, deregisteredView);
ReminderView *endOfLifeOSView =
[ReminderView nagWithText:NSLocalizedString(@"END_OF_LIFE_OS_WARNING",
@"Label indicating that this OS version is no longer supported.")
tapAction:nil];
_endOfLifeOSView = endOfLifeOSView;
[reminderStackView addArrangedSubview:endOfLifeOSView];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, endOfLifeOSView);
ExpirationNagView *expiredView = [ExpirationNagView new];
_expiredView = expiredView;
[reminderStackView addArrangedSubview:expiredView];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, expiredView);
ReminderView *outageView = [ReminderView
nagWithText:NSLocalizedString(@"OUTAGE_WARNING", @"Label warning the user that the Signal service may be down.")
tapAction:nil];
_outageView = outageView;
[reminderStackView addArrangedSubview:outageView];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, outageView);
ReminderView *archiveReminderView =
[ReminderView explanationWithText:NSLocalizedString(@"INBOX_VIEW_ARCHIVE_MODE_REMINDER",
@"Label reminding the user that they are in archive mode.")];
_archiveReminderView = archiveReminderView;
[reminderStackView addArrangedSubview:archiveReminderView];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, archiveReminderView);
self.tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
self.tableView.delegate = self;
self.tableView.dataSource = self;
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.tableView.separatorColor = Theme.cellSeparatorColor;
[self.tableView registerClass:[ConversationListCell class]
forCellReuseIdentifier:ConversationListCell.cellReuseIdentifier];
[self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:kArchivedConversationsReuseIdentifier];
[self.view addSubview:self.tableView];
[self.tableView autoPinEdgesToSuperviewEdges];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _tableView);
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _searchBar);
self.tableView.rowHeight = UITableViewAutomaticDimension;
self.tableView.estimatedRowHeight = 60;
self.emptyInboxView = [self createEmptyInboxView];
[self.view addSubview:self.emptyInboxView];
[self.emptyInboxView autoPinWidthToSuperviewMargins];
[self.emptyInboxView autoVCenterInSuperview];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _emptyInboxView);
[self createFirstConversationCueView];
[self.view addSubview:self.firstConversationCueView];
[self.firstConversationCueView autoPinToTopLayoutGuideOfViewController:self withInset:0.f];
// This inset bakes in assumptions about UINavigationBar layout, but I'm not sure
// there's a better way to do it, since it isn't safe to use iOS auto layout with
// UINavigationBar contents.
[self.firstConversationCueView autoPinEdgeToSuperviewEdge:ALEdgeTrailing withInset:6.f];
[self.firstConversationCueView autoPinEdgeToSuperviewEdge:ALEdgeLeading
withInset:10
relation:NSLayoutRelationGreaterThanOrEqual];
[self.firstConversationCueView autoPinEdgeToSuperviewMargin:ALEdgeBottom
relation:NSLayoutRelationGreaterThanOrEqual];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _firstConversationCueView);
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _firstConversationLabel);
UIRefreshControl *pullToRefreshView = [UIRefreshControl new];
pullToRefreshView.tintColor = [UIColor grayColor];
[pullToRefreshView addTarget:self
action:@selector(pullToRefreshPerformed:)
forControlEvents:UIControlEventValueChanged];
self.tableView.refreshControl = pullToRefreshView;
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, pullToRefreshView);
}
- (UIView *)createEmptyInboxView
{
NSArray<NSString *> *emptyInboxImageNames = @[
@"home_empty_splash_1",
@"home_empty_splash_2",
@"home_empty_splash_3",
@"home_empty_splash_4",
@"home_empty_splash_5",
];
NSString *emptyInboxImageName = emptyInboxImageNames[arc4random_uniform((uint32_t)emptyInboxImageNames.count)];
UIImageView *emptyInboxImageView = [UIImageView new];
emptyInboxImageView.image = [UIImage imageNamed:emptyInboxImageName];
emptyInboxImageView.layer.minificationFilter = kCAFilterTrilinear;
emptyInboxImageView.layer.magnificationFilter = kCAFilterTrilinear;
[emptyInboxImageView autoPinToAspectRatioWithSize:emptyInboxImageView.image.size];
CGSize navControllerSize = self.navigationController.view.frame.size;
CGFloat emptyInboxImageSize = MIN(navControllerSize.width, navControllerSize.height) * 0.65f;
[emptyInboxImageView autoSetDimension:ALDimensionWidth toSize:emptyInboxImageSize];
UILabel *emptyInboxLabel = [UILabel new];
emptyInboxLabel.text = NSLocalizedString(
@"INBOX_VIEW_EMPTY_INBOX", @"Message shown in the conversation list when the inbox is empty.");
emptyInboxLabel.font = UIFont.ows_dynamicTypeBodyClampedFont;
emptyInboxLabel.textColor = Theme.secondaryTextAndIconColor;
emptyInboxLabel.textAlignment = NSTextAlignmentCenter;
emptyInboxLabel.numberOfLines = 0;
emptyInboxLabel.lineBreakMode = NSLineBreakByWordWrapping;
UIStackView *emptyInboxStack = [[UIStackView alloc] initWithArrangedSubviews:@[
emptyInboxImageView,
emptyInboxLabel,
]];
emptyInboxStack.axis = UILayoutConstraintAxisVertical;
emptyInboxStack.alignment = UIStackViewAlignmentCenter;
emptyInboxStack.spacing = 12;
emptyInboxStack.layoutMargins = UIEdgeInsetsMake(50, 50, 50, 50);
emptyInboxStack.layoutMarginsRelativeArrangement = YES;
return emptyInboxStack;
}
- (void)createFirstConversationCueView
{
const CGFloat kTailWidth = 16.f;
const CGFloat kTailHeight = 8.f;
const CGFloat kTailHMargin = 12.f;
UILabel *label = [UILabel new];
label.textColor = UIColor.ows_whiteColor;
label.font = UIFont.ows_dynamicTypeBodyClampedFont;
label.numberOfLines = 0;
label.lineBreakMode = NSLineBreakByWordWrapping;
OWSLayerView *layerView = [OWSLayerView new];
layerView.layoutMargins = UIEdgeInsetsMake(11 + kTailHeight, 16, 11, 16);
CAShapeLayer *shapeLayer = [CAShapeLayer new];
shapeLayer.fillColor = UIColor.ows_accentBlueColor.CGColor;
[layerView.layer addSublayer:shapeLayer];
layerView.layoutCallback = ^(UIView *view) {
UIBezierPath *bezierPath = [UIBezierPath new];
// Bubble
CGRect bubbleBounds = view.bounds;
bubbleBounds.origin.y += kTailHeight;
bubbleBounds.size.height -= kTailHeight;
[bezierPath appendPath:[UIBezierPath bezierPathWithRoundedRect:bubbleBounds cornerRadius:8]];
// Tail
CGPoint tailTop = CGPointMake(kTailHMargin + kTailWidth * 0.5f, 0.f);
CGPoint tailLeft = CGPointMake(kTailHMargin, kTailHeight);
CGPoint tailRight = CGPointMake(kTailHMargin + kTailWidth, kTailHeight);
if (!CurrentAppContext().isRTL) {
tailTop.x = view.width - tailTop.x;
tailLeft.x = view.width - tailLeft.x;
tailRight.x = view.width - tailRight.x;
}
[bezierPath moveToPoint:tailTop];
[bezierPath addLineToPoint:tailLeft];
[bezierPath addLineToPoint:tailRight];
[bezierPath addLineToPoint:tailTop];
shapeLayer.path = bezierPath.CGPath;
shapeLayer.frame = view.bounds;
};
[layerView addSubview:label];
[label autoPinEdgesToSuperviewMargins];
layerView.userInteractionEnabled = YES;
[layerView
addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(firstConversationCueWasTapped:)]];
self.firstConversationCueView = layerView;
self.firstConversationLabel = label;
}
- (void)firstConversationCueWasTapped:(UITapGestureRecognizer *)gestureRecognizer
{
OWSLogInfo(@"");
[self showNewConversationView];
}
- (NSArray<SignalAccount *> *)suggestedAccountsForFirstContact
{
NSMutableArray<SignalAccount *> *accounts = [NSMutableArray new];
for (SignalAccount *account in self.contactsManager.signalAccounts) {
if (account.recipientAddress.isLocalAddress) {
continue;
}
if (accounts.count >= 3) {
break;
}
[accounts addObject:account];
}
return [accounts copy];
}
- (void)updateFirstConversationLabel
{
NSArray<SignalAccount *> *signalAccounts = self.suggestedAccountsForFirstContact;
NSString *formatString = @"";
NSMutableArray<NSString *> *contactNames = [NSMutableArray new];
if (signalAccounts.count >= 3) {
[contactNames addObject:[self.contactsManager displayNameForSignalAccount:signalAccounts[0]]];
[contactNames addObject:[self.contactsManager displayNameForSignalAccount:signalAccounts[1]]];
[contactNames addObject:[self.contactsManager displayNameForSignalAccount:signalAccounts[2]]];
formatString = NSLocalizedString(@"HOME_VIEW_FIRST_CONVERSATION_OFFER_3_CONTACTS_FORMAT",
@"Format string for a label offering to start a new conversation with your contacts, if you have at least "
@"3 Signal contacts. Embeds {{The names of 3 of your Signal contacts}}.");
} else if (signalAccounts.count == 2) {
[contactNames addObject:[self.contactsManager displayNameForSignalAccount:signalAccounts[0]]];
[contactNames addObject:[self.contactsManager displayNameForSignalAccount:signalAccounts[1]]];
formatString = NSLocalizedString(@"HOME_VIEW_FIRST_CONVERSATION_OFFER_2_CONTACTS_FORMAT",
@"Format string for a label offering to start a new conversation with your contacts, if you have 2 Signal "
@"contacts. Embeds {{The names of 2 of your Signal contacts}}.");
} else if (signalAccounts.count == 1) {
[contactNames addObject:[self.contactsManager displayNameForSignalAccount:signalAccounts[0]]];
formatString = NSLocalizedString(@"HOME_VIEW_FIRST_CONVERSATION_OFFER_1_CONTACT_FORMAT",
@"Format string for a label offering to start a new conversation with your contacts, if you have 1 Signal "
@"contact. Embeds {{The name of 1 of your Signal contacts}}.");
}
NSString *embedToken = @"%@";
NSArray<NSString *> *formatSplits = [formatString componentsSeparatedByString:embedToken];
// We need to use a complicated format string that possibly embeds multiple contact names.
// Translator error could easily lead to an invalid format string.
// We need to verify that it was translated properly.
BOOL isValidFormatString = (contactNames.count > 0 && formatSplits.count == contactNames.count + 1);
for (NSString *contactName in contactNames) {
if ([contactName containsString:embedToken]) {
isValidFormatString = NO;
}
}
NSMutableAttributedString *_Nullable attributedString = nil;
if (isValidFormatString) {
attributedString = [[NSMutableAttributedString alloc] initWithString:formatString];
while (contactNames.count > 0) {
NSString *contactName = contactNames.firstObject;
[contactNames removeObjectAtIndex:0];
NSRange range = [attributedString.string rangeOfString:embedToken];
if (range.location == NSNotFound) {
// Error
attributedString = nil;
break;
}
NSAttributedString *formattedName =
[[NSAttributedString alloc] initWithString:contactName
attributes:@{
NSFontAttributeName : self.firstConversationLabel.font.ows_semibold,
}];
[attributedString replaceCharactersInRange:range withAttributedString:formattedName];
}
}
if (!attributedString) {
// The default case handles the no-contacts scenario and all error cases.
NSString *defaultText = NSLocalizedString(@"HOME_VIEW_FIRST_CONVERSATION_OFFER_NO_CONTACTS",
@"A label offering to start a new conversation with your contacts, if you have no Signal contacts.");
attributedString = [[NSMutableAttributedString alloc] initWithString:defaultText];
}
self.firstConversationLabel.attributedText = [attributedString copy];
}
- (void)updateReminderViews
{
self.archiveReminderView.hidden = self.conversationListMode != ConversationListMode_Archive;
self.deregisteredView.hidden
= !TSAccountManager.sharedInstance.isDeregistered || TSAccountManager.sharedInstance.isTransferInProgress;
self.outageView.hidden = !OutageDetection.sharedManager.hasOutage;
self.endOfLifeOSView.hidden = !SSKAppExpiry.isEndOfLifeOSVersion;
self.expiredView.hidden = !SSKAppExpiry.isExpiringSoon;
[self.expiredView updateText];
self.hasVisibleReminders = !self.archiveReminderView.isHidden || !self.deregisteredView.isHidden
|| !self.outageView.isHidden || !self.expiredView.isHidden || !self.endOfLifeOSView.isHidden;
}
- (void)setHasVisibleReminders:(BOOL)hasVisibleReminders
{
if (_hasVisibleReminders == hasVisibleReminders) {
return;
}
_hasVisibleReminders = hasVisibleReminders;
// If the reminders show/hide, reload the table.
[self.tableView reloadData];
}
- (void)viewDidLoad
{
[super viewDidLoad];
[self observeNotifications];
[self resetMappings];
[self tableViewSetUp];
switch (self.conversationListMode) {
case ConversationListMode_Inbox:
// TODO: Should our app name be translated? Probably not.
self.title
= NSLocalizedString(@"HOME_VIEW_TITLE_INBOX", @"Title for the conversation list's default mode.");
break;
case ConversationListMode_Archive:
self.title
= NSLocalizedString(@"HOME_VIEW_TITLE_ARCHIVE", @"Title for the conversation list's 'archive' mode.");
break;
}
[self applyDefaultBackButton];
if ([self.traitCollection respondsToSelector:@selector(forceTouchCapability)]
&& (self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable)) {
[self registerForPreviewingWithDelegate:self sourceView:self.tableView];
}
// Search
_searchBar = [OWSSearchBar new];
self.searchBar.placeholder = NSLocalizedString(@"HOME_VIEW_CONVERSATION_SEARCHBAR_PLACEHOLDER",
@"Placeholder text for search bar which filters conversations.");
self.searchBar.delegate = self;
self.searchBar.textField.accessibilityIdentifier = ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"conversation_search");
[self.searchBar sizeToFit];
// Setting tableHeader calls numberOfSections, which must happen after updateMappings has been called at least once.
OWSAssertDebug(self.tableView.tableHeaderView == nil);
self.tableView.tableHeaderView = self.searchBar;
// Hide search bar by default. User can pull down to search.
self.tableView.contentOffset = CGPointMake(0, CGRectGetHeight(self.searchBar.frame));
ConversationSearchViewController *searchResultsController = [ConversationSearchViewController new];
searchResultsController.delegate = self;
self.searchResultsController = searchResultsController;
[self addChildViewController:searchResultsController];
[self.view addSubview:searchResultsController.view];
[searchResultsController.view autoPinEdgeToSuperviewEdge:ALEdgeBottom];
[searchResultsController.view autoPinEdgeToSuperviewEdge:ALEdgeLeading];
[searchResultsController.view autoPinEdgeToSuperviewEdge:ALEdgeTrailing];
[searchResultsController.view autoPinTopToSuperviewMarginWithInset:56];
searchResultsController.view.hidden = YES;
[self updateReminderViews];
[self updateBarButtonItems];
[self applyTheme];
}
- (void)applyDefaultBackButton
{
// We don't show any text for the back button, so there's no need to localize it. But because we left align the
// conversation title view, we add a little tappable padding after the back button, by having a title of spaces.
// Admittedly this is kind of a hack and not super fine grained, but it's simple and results in the interactive pop
// gesture animating our title view nicely vs. creating our own back button bar item with custom padding, which does
// not properly animate with the "swipe to go back" or "swipe left for info" gestures.
NSUInteger paddingLength = 3;
NSString *paddingString = [@"" stringByPaddingToLength:paddingLength withString:@" " startingAtIndex:0];
self.navigationItem.backBarButtonItem =
[[UIBarButtonItem alloc] initWithTitle:paddingString
style:UIBarButtonItemStylePlain
target:nil
action:nil
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"back")];
}
- (void)applyArchiveBackButton
{
self.navigationItem.backBarButtonItem =
[[UIBarButtonItem alloc] initWithTitle:CommonStrings.backButton
style:UIBarButtonItemStylePlain
target:nil
action:nil
accessibilityIdentifier:ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"back")];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
if (!self.hasEverAppeared && ![ExperienceUpgradeManager presentNextFromViewController:self]) {
[OWSActionSheets showIOSUpgradeNagIfNecessary];
}
[self applyDefaultBackButton];
if (self.hasThemeChanged) {
[self.tableView reloadData];
self.hasThemeChanged = NO;
}
// Whether or not the theme has changed, always ensure
// the right theme is applied. The initial collapsed
// state of the split view controller is determined between
// `viewWillAppear` and `viewDidAppear`, so this is the soonest
// we can know the right thing to display.
[self applyTheme];
[self requestReviewIfAppropriate];
[self.searchResultsController viewDidAppear:animated];
self.hasEverAppeared = YES;
}
- (void)viewDidDisappear:(BOOL)animated
{
[super viewDidDisappear:animated];
[self.searchResultsController viewDidDisappear:animated];
}
- (void)updateBarButtonItems
{
if (self.conversationListMode != ConversationListMode_Inbox) {
return;
}
// Settings button.
const NSUInteger kAvatarSize = 28;
UIImage *_Nullable localProfileAvatarImage = [OWSProfileManager.sharedManager localProfileAvatarImage];
UIImage *avatarImage = (localProfileAvatarImage
?: [[[OWSContactAvatarBuilder alloc] initForLocalUserWithDiameter:kAvatarSize] buildDefaultImage]);
OWSAssertDebug(avatarImage);
UIButton *avatarButton = [AvatarImageButton buttonWithType:UIButtonTypeCustom];
[avatarButton addTarget:self action:@selector(showAppSettings) forControlEvents:UIControlEventTouchUpInside];
[avatarButton setImage:avatarImage forState:UIControlStateNormal];
[avatarButton autoSetDimension:ALDimensionWidth toSize:kAvatarSize];
[avatarButton autoSetDimension:ALDimensionHeight toSize:kAvatarSize];
UIBarButtonItem *settingsButton = [[UIBarButtonItem alloc] initWithCustomView:avatarButton];
settingsButton.accessibilityLabel = CommonStrings.openSettingsButton;
self.navigationItem.leftBarButtonItem = settingsButton;
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, settingsButton);
UIBarButtonItem *compose = [[UIBarButtonItem alloc] initWithImage:[Theme iconImage:ThemeIconCompose]
style:UIBarButtonItemStylePlain
target:self
action:@selector(showNewConversationView)];
compose.accessibilityLabel
= NSLocalizedString(@"COMPOSE_BUTTON_LABEL", @"Accessibility label from compose button.");
compose.accessibilityHint = NSLocalizedString(
@"COMPOSE_BUTTON_HINT", @"Accessibility hint describing what you can do with the compose button");
compose.accessibilityIdentifier = ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"compose");
UIBarButtonItem *camera = [[UIBarButtonItem alloc] initWithImage:[Theme iconImage:ThemeIconCameraButton]
style:UIBarButtonItemStylePlain
target:self
action:@selector(showCameraView)];
camera.accessibilityLabel = NSLocalizedString(@"CAMERA_BUTTON_LABEL", @"Accessibility label for camera button.");
camera.accessibilityHint = NSLocalizedString(
@"CAMERA_BUTTON_HINT", @"Accessibility hint describing what you can do with the camera button");
camera.accessibilityIdentifier = ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"camera");
self.navigationItem.rightBarButtonItems = @[ compose, camera ];
}
- (nullable UIViewController *)previewingContext:(id<UIViewControllerPreviewing>)previewingContext
viewControllerForLocation:(CGPoint)location
{
NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint:location];
if (!indexPath) {
return nil;
}
if (indexPath.section != ConversationListViewControllerSectionConversations) {
return nil;
}
[previewingContext setSourceRect:[self.tableView rectForRowAtIndexPath:indexPath]];
ThreadViewModel *threadViewModel = [self threadViewModelForIndexPath:indexPath];
self.lastViewedThread = threadViewModel.threadRecord;
ConversationViewController *vc =
[[ConversationViewController alloc] initWithThreadViewModel:threadViewModel
action:ConversationViewActionNone
focusMessageId:nil];
[vc peekSetup];
return vc;
}
- (void)previewingContext:(id<UIViewControllerPreviewing>)previewingContext
commitViewController:(UIViewController *)viewControllerToCommit
{
ConversationViewController *vc = (ConversationViewController *)viewControllerToCommit;
[vc popped];
[self.navigationController pushViewController:vc animated:NO];
}
- (void)showNewConversationView
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
// Dismiss any message actions if they're presented
[self.conversationSplitViewController.selectedConversationViewController dismissMessageActionsAnimated:YES];
ComposeViewController *viewController = [ComposeViewController new];
[self.contactsManager requestSystemContactsOnceWithCompletion:^(NSError *_Nullable error) {
if (error) {
OWSLogError(@"Error when requesting contacts: %@", error);
}
// Even if there is an error fetching contacts we proceed to the next screen.
// As the compose view will present the proper thing depending on contact access.
//
// We just want to make sure contact access is *complete* before showing the compose
// screen to avoid flicker.
OWSNavigationController *modal = [[OWSNavigationController alloc] initWithRootViewController:viewController];
[self.navigationController presentFormSheetViewController:modal animated:YES completion:nil];
}];
}
- (void)showNewGroupView
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
// Dismiss any message actions if they're presented
[self.conversationSplitViewController.selectedConversationViewController dismissMessageActionsAnimated:YES];
UIViewController *newGroupViewController = [NewGroupMembersViewController new];
[self.contactsManager requestSystemContactsOnceWithCompletion:^(NSError *_Nullable error) {
if (error) {
OWSLogError(@"Error when requesting contacts: %@", error);
}
// Even if there is an error fetching contacts we proceed to the next screen.
// As the compose view will present the proper thing depending on contact access.
//
// We just want to make sure contact access is *complete* before showing the compose
// screen to avoid flicker.
OWSNavigationController *modal =
[[OWSNavigationController alloc] initWithRootViewController:newGroupViewController];
[self.navigationController presentFormSheetViewController:modal animated:YES completion:nil];
}];
}
- (void)showAppSettings
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
// Dismiss any message actions if they're presented
[self.conversationSplitViewController.selectedConversationViewController dismissMessageActionsAnimated:YES];
OWSNavigationController *navigationController = [AppSettingsViewController inModalNavigationController];
[self presentFormSheetViewController:navigationController animated:YES completion:nil];
}
- (void)focusSearch
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
// If we have presented a conversation list (the archive) search there instead.
if (self.presentedConversationListViewController) {
[self.presentedConversationListViewController focusSearch];
return;
}
[self.searchBar becomeFirstResponder];
}
- (void)selectPreviousConversation
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
// If we have presented a conversation list (the archive) navigate through that instead.
if (self.presentedConversationListViewController) {
[self.presentedConversationListViewController selectPreviousConversation];
return;
}
TSThread *_Nullable currentThread = self.conversationSplitViewController.selectedThread;
NSIndexPath *_Nullable previousIndexPath = [self.threadMapping indexPathBeforeThread:currentThread];
if (previousIndexPath) {
[self presentThread:[self threadForIndexPath:previousIndexPath] action:ConversationViewActionCompose animated:YES];
[self.tableView selectRowAtIndexPath:previousIndexPath
animated:YES
scrollPosition:UITableViewScrollPositionNone];
}
}
- (void)selectNextConversation
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
// If we have presented a conversation list (the archive) navigate through that instead.
if (self.presentedConversationListViewController) {
[self.presentedConversationListViewController selectNextConversation];
return;
}
TSThread *_Nullable currentThread = self.conversationSplitViewController.selectedThread;
NSIndexPath *_Nullable nextIndexPath = [self.threadMapping indexPathAfterThread:currentThread];
if (nextIndexPath) {
[self presentThread:[self threadForIndexPath:nextIndexPath] action:ConversationViewActionCompose animated:YES];
[self.tableView selectRowAtIndexPath:nextIndexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
}
}
- (void)archiveSelectedConversation
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
TSThread *_Nullable selectedThread = self.conversationSplitViewController.selectedThread;
if (!selectedThread) {
return;
}
if (selectedThread.isArchived) {
return;
}
[self.conversationSplitViewController closeSelectedConversationAnimated:YES];
DatabaseStorageWrite(self.databaseStorage, ^(SDSAnyWriteTransaction *transaction) {
[selectedThread archiveThreadAndUpdateStorageService:YES transaction:transaction];
});
[self updateViewState];
}
- (void)unarchiveSelectedConversation
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"");
TSThread *_Nullable selectedThread = self.conversationSplitViewController.selectedThread;
if (!selectedThread) {
return;
}
if (!selectedThread.isArchived) {
return;
}
[self.conversationSplitViewController closeSelectedConversationAnimated:YES];
DatabaseStorageWrite(self.databaseStorage, ^(SDSAnyWriteTransaction *transaction) {
[selectedThread unarchiveThreadAndUpdateStorageService:YES transaction:transaction];
});
[self updateViewState];
}
- (void)showCameraView
{
// Dismiss any message actions if they're presented
[self.conversationSplitViewController.selectedConversationViewController dismissMessageActionsAnimated:YES];
[self ows_askForCameraPermissions:^(BOOL cameraGranted) {
if (!cameraGranted) {
OWSLogWarn(@"camera permission denied.");
return;
}
[self ows_askForMicrophonePermissions:^(BOOL micGranted) {
if (!micGranted) {
OWSLogWarn(@"proceeding, though mic permission denied.");
// We can still continue without mic permissions, but any captured video will
// be silent.
}
CameraFirstCaptureNavigationController *cameraModal =
[CameraFirstCaptureNavigationController cameraFirstModal];
cameraModal.cameraFirstCaptureSendFlow.delegate = self;
[self presentFullScreenViewController:cameraModal animated:YES completion:nil];
}];
}];
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
self.isViewVisible = YES;
BOOL isShowingSearchResults = !self.searchResultsController.view.hidden;
if (isShowingSearchResults) {
OWSAssertDebug(self.searchBar.text.ows_stripped.length > 0);
[self scrollSearchBarToTopAnimated:NO];
[self.searchBar becomeFirstResponder];
} else if (self.lastViewedThread) {
OWSAssertDebug(self.searchBar.text.ows_stripped.length == 0);
// When returning to conversation list, try to ensure that the "last" thread is still
// visible. The threads often change ordering while in conversation view due
// to incoming & outgoing messages.
NSIndexPath *_Nullable indexPathOfLastThread =
[self.threadMapping indexPathForUniqueId:self.lastViewedThread.uniqueId];
if (indexPathOfLastThread) {
[self.tableView scrollToRowAtIndexPath:indexPathOfLastThread
atScrollPosition:UITableViewScrollPositionNone
animated:NO];
}
}
[self updateViewState];
[self applyDefaultBackButton];
if ([self updateHasArchivedThreadsRow]) {
[self.tableView reloadData];
}
[self.searchResultsController viewWillAppear:animated];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
self.isViewVisible = NO;
[self.searchResultsController viewWillDisappear:animated];
}
- (void)setIsViewVisible:(BOOL)isViewVisible
{
_isViewVisible = isViewVisible;
[self updateShouldObserveDBModifications];
}
- (void)updateShouldObserveDBModifications
{
BOOL isAppForegroundAndActive = CurrentAppContext().isAppForegroundAndActive;
self.shouldObserveDBModifications = self.isViewVisible && isAppForegroundAndActive;
}
- (void)setShouldObserveDBModifications:(BOOL)shouldObserveDBModifications
{
if (_shouldObserveDBModifications == shouldObserveDBModifications) {
return;
}
_shouldObserveDBModifications = shouldObserveDBModifications;
if (self.shouldObserveDBModifications) {
[self resetMappings];
}
}
- (void)reloadTableViewData
{
// PERF: come up with a more nuanced cache clearing scheme
[self.threadViewModelCache removeAllObjects];
[self.tableView reloadData];
}
- (void)resetMappings
{
[BenchManager benchWithTitle:@"ConversationListViewController#resetMappings"
block:^{
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
[self.threadMapping updateSwallowingErrorsWithIsViewingArchive:self.isViewingArchive
transaction:transaction];
}];
[self updateHasArchivedThreadsRow];
[self reloadTableViewData];
[self updateViewState];
}];
}
- (BOOL)isViewingArchive
{
return self.conversationListMode == ConversationListMode_Archive;
}
- (void)applicationWillEnterForeground:(NSNotification *)notification
{
[self updateViewState];
}
- (void)applicationDidBecomeActive:(NSNotification *)notification
{
[self updateShouldObserveDBModifications];
if (![ExperienceUpgradeManager presentNextFromViewController:self]) {
[OWSActionSheets showIOSUpgradeNagIfNecessary];
}
}
- (void)applicationWillResignActive:(NSNotification *)notification
{
[self updateShouldObserveDBModifications];
}
#pragma mark - startup
- (void)tableViewSetUp
{
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
}
#pragma mark - Table View Data Source
// Returns YES IFF this value changes.
- (BOOL)updateHasArchivedThreadsRow
{
BOOL hasArchivedThreadsRow
= (self.conversationListMode == ConversationListMode_Inbox && self.numberOfArchivedThreads > 0);
if (self.hasArchivedThreadsRow == hasArchivedThreadsRow) {
return NO;
}
self.hasArchivedThreadsRow = hasArchivedThreadsRow;
return YES;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 3;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)aSection
{
ConversationListViewControllerSection section = (ConversationListViewControllerSection)aSection;
switch (section) {
case ConversationListViewControllerSectionReminders: {
return self.hasVisibleReminders ? 1 : 0;
}
case ConversationListViewControllerSectionConversations: {
return [self.threadMapping numberOfItemsInSection:section];
}
case ConversationListViewControllerSectionArchiveButton: {
return self.hasArchivedThreadsRow ? 1 : 0;
}
}
OWSFailDebug(@"failure: unexpected section: %lu", (unsigned long)section);
return 0;
}
- (ThreadViewModel *)threadViewModelForIndexPath:(NSIndexPath *)indexPath
{
TSThread *threadRecord = [self threadForIndexPath:indexPath];
OWSAssertDebug(threadRecord);
ThreadViewModel *_Nullable cachedThreadViewModel = [self.threadViewModelCache objectForKey:threadRecord.uniqueId];
if (cachedThreadViewModel) {
return cachedThreadViewModel;
}
__block ThreadViewModel *_Nullable newThreadViewModel;
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
newThreadViewModel = [[ThreadViewModel alloc] initWithThread:threadRecord transaction:transaction];
}];
[self.threadViewModelCache setObject:newThreadViewModel forKey:threadRecord.uniqueId];
return newThreadViewModel;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
ConversationListViewControllerSection section = (ConversationListViewControllerSection)indexPath.section;
UITableViewCell *_Nullable cell;
switch (section) {
case ConversationListViewControllerSectionReminders: {
OWSAssert(self.reminderStackView);
cell = self.reminderViewCell;
break;
}
case ConversationListViewControllerSectionConversations: {
cell = [self tableView:tableView cellForConversationAtIndexPath:indexPath];
break;
}
case ConversationListViewControllerSectionArchiveButton: {
cell = [self cellForArchivedConversationsRow:tableView];
break;
}
}
if (!cell) {
OWSFailDebug(@"failure: unexpected section: %lu", (unsigned long)section);
cell = [UITableViewCell new];
}
if (!self.splitViewController.isCollapsed) {
cell.selectedBackgroundView.backgroundColor
= Theme.isDarkThemeEnabled ? UIColor.ows_gray65Color : UIColor.ows_gray15Color;
cell.backgroundColor = Theme.secondaryBackgroundColor;
}
return cell;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForConversationAtIndexPath:(NSIndexPath *)indexPath
{
ConversationListCell *cell =
[self.tableView dequeueReusableCellWithIdentifier:ConversationListCell.cellReuseIdentifier];
OWSAssertDebug(cell);
ThreadViewModel *thread = [self threadViewModelForIndexPath:indexPath];
BOOL isBlocked = [self.blocklistCache isThreadBlocked:thread.threadRecord];
[cell configureWithThread:thread isBlocked:isBlocked];
NSString *cellName;
if (thread.threadRecord.isGroupThread) {
TSGroupThread *groupThread = (TSGroupThread *)thread.threadRecord;
cellName = [NSString stringWithFormat:@"cell-group-%@", groupThread.groupModel.groupName];
} else {
TSContactThread *contactThread = (TSContactThread *)thread.threadRecord;
cellName = [NSString stringWithFormat:@"cell-contact-%@", contactThread.contactAddress.stringForDisplay];
}
cell.accessibilityIdentifier = ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, cellName);
NSString *archiveTitle;
if (self.conversationListMode == ConversationListMode_Inbox) {
archiveTitle = CommonStrings.archiveAction;
} else {
archiveTitle = CommonStrings.unarchiveAction;
}
OWSCellAccessibilityCustomAction *archiveAction =
[[OWSCellAccessibilityCustomAction alloc] initWithName:archiveTitle
type:OWSCellAccessibilityCustomActionTypeArchive
thread:thread.threadRecord
target:self
selector:@selector(performAccessibilityCustomAction:)];
OWSCellAccessibilityCustomAction *deleteAction =
[[OWSCellAccessibilityCustomAction alloc] initWithName:CommonStrings.deleteButton
type:OWSCellAccessibilityCustomActionTypeDelete
thread:thread.threadRecord
target:self
selector:@selector(performAccessibilityCustomAction:)];
OWSCellAccessibilityCustomAction *leadingAction;
if (thread.hasUnreadMessages) {
leadingAction =
[[OWSCellAccessibilityCustomAction alloc] initWithName:CommonStrings.readAction
type:OWSCellAccessibilityCustomActionTypeMarkRead
thread:thread.threadRecord
target:self
selector:@selector(performAccessibilityCustomAction:)];
} else {
leadingAction =
[[OWSCellAccessibilityCustomAction alloc] initWithName:CommonStrings.unreadAction
type:OWSCellAccessibilityCustomActionTypeMarkUnread
thread:thread.threadRecord
target:self
selector:@selector(performAccessibilityCustomAction:)];
}
cell.accessibilityCustomActions = @[ archiveAction, deleteAction, leadingAction ];
if ([self isConversationActiveForThread:thread.threadRecord]) {
[tableView selectRowAtIndexPath:indexPath animated:NO scrollPosition:UITableViewScrollPositionNone];
} else {
[tableView deselectRowAtIndexPath:indexPath animated:NO];
}
return cell;
}
- (UITableViewCell *)cellForArchivedConversationsRow:(UITableView *)tableView
{
UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:kArchivedConversationsReuseIdentifier];
OWSAssertDebug(cell);
[OWSTableItem configureCell:cell];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
for (UIView *subview in cell.contentView.subviews) {
[subview removeFromSuperview];
}
UIImage *disclosureImage = [UIImage imageNamed:(CurrentAppContext().isRTL ? @"NavBarBack" : @"NavBarBackRTL")];
OWSAssertDebug(disclosureImage);
UIImageView *disclosureImageView = [UIImageView new];
disclosureImageView.image = [disclosureImage imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
disclosureImageView.tintColor = [UIColor colorWithRGBHex:0xd1d1d6];
[disclosureImageView setContentHuggingHigh];
[disclosureImageView setCompressionResistanceHigh];
UILabel *label = [UILabel new];
label.text = NSLocalizedString(@"HOME_VIEW_ARCHIVED_CONVERSATIONS", @"Label for 'archived conversations' button.");
label.textAlignment = NSTextAlignmentCenter;
label.font = [UIFont ows_dynamicTypeBodyFont];
label.textColor = Theme.primaryTextColor;
UIStackView *stackView = [UIStackView new];
stackView.axis = UILayoutConstraintAxisHorizontal;
stackView.spacing = 5;
// If alignment isn't set, UIStackView uses the height of
// disclosureImageView, even if label has a higher desired height.
stackView.alignment = UIStackViewAlignmentCenter;
[stackView addArrangedSubview:label];
[stackView addArrangedSubview:disclosureImageView];
[cell.contentView addSubview:stackView];
[stackView autoCenterInSuperview];
// Constrain to cell margins.
[stackView autoPinEdgeToSuperviewMargin:ALEdgeLeading relation:NSLayoutRelationGreaterThanOrEqual];
[stackView autoPinEdgeToSuperviewMargin:ALEdgeTrailing relation:NSLayoutRelationGreaterThanOrEqual];
[stackView autoPinEdgeToSuperviewMargin:ALEdgeTop];
[stackView autoPinEdgeToSuperviewMargin:ALEdgeBottom];
cell.accessibilityIdentifier = ACCESSIBILITY_IDENTIFIER_WITH_NAME(self, @"archived_conversations");
return cell;
}
- (TSThread *)threadForIndexPath:(NSIndexPath *)indexPath
{
return [self.threadMapping threadForIndexPath:indexPath];
}
- (void)pullToRefreshPerformed:(UIRefreshControl *)refreshControl
{
OWSAssertIsOnMainThread();
OWSLogInfo(@"beggining refreshing.");
[self.messageFetcherJob runObjc]
.then(^{
if (TSAccountManager.sharedInstance.isRegisteredPrimaryDevice) {
return [AnyPromise promiseWithValue:nil];
}
return [SSKEnvironment.shared.syncManager sendAllSyncRequestMessagesWithTimeout:20];
})
.ensure(^{
OWSLogInfo(@"ending refreshing.");
[refreshControl endRefreshing];
});
}
#pragma mark - Edit Actions
- (void)tableView:(UITableView *)tableView
commitEditingStyle:(UITableViewCellEditingStyle)editingStyle
forRowAtIndexPath:(NSIndexPath *)indexPath
{
return;
}
- (nullable UISwipeActionsConfiguration *)tableView:(UITableView *)tableView
trailingSwipeActionsConfigurationForRowAtIndexPath:(NSIndexPath *)indexPath
{
ConversationListViewControllerSection section = (ConversationListViewControllerSection)indexPath.section;
switch (section) {
case ConversationListViewControllerSectionReminders:
return nil;
case ConversationListViewControllerSectionArchiveButton:
return nil;
case ConversationListViewControllerSectionConversations: {
TSThread *thread = [self threadForIndexPath:indexPath];
UIContextualAction *deleteAction =
[UIContextualAction contextualActionWithStyle:UIContextualActionStyleDestructive
title:nil
handler:^(UIContextualAction *action,
__kindof UIView *sourceView,
void (^completionHandler)(BOOL)) {
[self deleteThreadWithConfirmation:thread];
completionHandler(YES);
}];
deleteAction.backgroundColor = UIColor.ows_accentRedColor;
deleteAction.image = [self actionImageNamed:@"trash-outline-24" withTitle:CommonStrings.deleteButton];
deleteAction.accessibilityLabel = CommonStrings.deleteButton;
UIContextualAction *archiveAction =
[UIContextualAction contextualActionWithStyle:UIContextualActionStyleNormal
title:nil
handler:^(UIContextualAction *action,
__kindof UIView *sourceView,
void (^completionHandler)(BOOL)) {
[self archiveThread:thread];
completionHandler(YES);
}];
NSString *archiveTitle;
if (self.conversationListMode == ConversationListMode_Inbox) {
archiveTitle = CommonStrings.archiveAction;
} else {
archiveTitle = CommonStrings.unarchiveAction;
}
archiveAction.backgroundColor = UIColor.ows_gray60Color;
archiveAction.image = [self actionImageNamed:@"archive-outline-24" withTitle:archiveTitle];
archiveAction.accessibilityLabel = archiveTitle;
// The first action will be auto-performed for "very long swipes".
return [UISwipeActionsConfiguration configurationWithActions:@[ archiveAction, deleteAction ]];
}
}
}
- (nullable UISwipeActionsConfiguration *)tableView:(UITableView *)tableView
leadingSwipeActionsConfigurationForRowAtIndexPath:(NSIndexPath *)indexPath
{
ConversationListViewControllerSection section = (ConversationListViewControllerSection)indexPath.section;
switch (section) {
case ConversationListViewControllerSectionReminders:
return nil;
case ConversationListViewControllerSectionArchiveButton:
return nil;
case ConversationListViewControllerSectionConversations: {
ThreadViewModel *model = [self threadViewModelForIndexPath:indexPath];
TSThread *thread = [self threadForIndexPath:indexPath];
if (model.hasUnreadMessages) {
UIContextualAction *readAction =
[UIContextualAction contextualActionWithStyle:UIContextualActionStyleDestructive
title:nil
handler:^(UIContextualAction *action,
__kindof UIView *sourceView,
void (^completionHandler)(BOOL)) {
completionHandler(YES);
// We delay here so the animation can play out before we
// reload the cell
dispatch_after(dispatch_time(DISPATCH_TIME_NOW,
(int64_t)(0.65 * NSEC_PER_SEC)),
dispatch_get_main_queue(),
^{
[self markThreadAsRead:thread];
});
}];
readAction.backgroundColor = UIColor.ows_accentBlueColor;
readAction.accessibilityLabel = CommonStrings.readAction;
readAction.image = [self actionImageNamed:@"message-outline-24"
withTitle:readAction.accessibilityLabel];
return [UISwipeActionsConfiguration configurationWithActions:@[ readAction ]];
} else {
UIContextualAction *unreadAction =
[UIContextualAction contextualActionWithStyle:UIContextualActionStyleNormal
title:nil
handler:^(UIContextualAction *action,
__kindof UIView *sourceView,
void (^completionHandler)(BOOL)) {
completionHandler(YES);
// We delay here so the animation can play out before we
// reload the cell
dispatch_after(dispatch_time(DISPATCH_TIME_NOW,
(int64_t)(0.65 * NSEC_PER_SEC)),
dispatch_get_main_queue(),
^{
[self markThreadAsUnread:thread];
});
}];
unreadAction.backgroundColor = UIColor.ows_accentBlueColor;
unreadAction.accessibilityLabel = CommonStrings.unreadAction;
unreadAction.image = [self actionImageNamed:@"message-unread-outline-24"
withTitle:unreadAction.accessibilityLabel];
return [UISwipeActionsConfiguration configurationWithActions:@[ unreadAction ]];
}
}
}
}
- (nullable UIImage *)actionImageNamed:(NSString *)imageName withTitle:(NSString *)title
{
// We need to bake the title text into the image because `UIContextualAction`
// only displays title + image when the cell's height > 91. We want to always
// show both.
return [[[UIImage imageNamed:imageName] withTitle:title
font:[UIFont ows_semiboldFontWithSize:12]
color:UIColor.ows_whiteColor
maxTitleWidth:68
minimumScaleFactor:2 / 3
spacing:2] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
ConversationListViewControllerSection section = (ConversationListViewControllerSection)indexPath.section;
switch (section) {
case ConversationListViewControllerSectionReminders: {
return NO;
}
case ConversationListViewControllerSectionConversations: {
return YES;
}
case ConversationListViewControllerSectionArchiveButton: {
return NO;
}
}
}
#pragma mark - UISearchBarDelegate
- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar
{
[self scrollSearchBarToTopAnimated:NO];
[self updateSearchResultsVisibility];
[self ensureSearchBarCancelButton];
}
- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar
{
[self updateSearchResultsVisibility];
[self ensureSearchBarCancelButton];
}
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
{
[self updateSearchResultsVisibility];
[self ensureSearchBarCancelButton];
}
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
{
[self updateSearchResultsVisibility];
}
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
{
self.searchBar.text = nil;
[self dismissSearchKeyboard];
[self updateSearchResultsVisibility];
[self ensureSearchBarCancelButton];
}
- (void)ensureSearchBarCancelButton
{
BOOL shouldShowCancelButton = (self.searchBar.isFirstResponder || self.searchBar.text.length > 0);
if (self.searchBar.showsCancelButton == shouldShowCancelButton) {
return;
}
[self.searchBar setShowsCancelButton:shouldShowCancelButton animated:self.isViewVisible];
}
- (void)updateSearchResultsVisibility
{
OWSAssertIsOnMainThread();
NSString *searchText = self.searchBar.text.ows_stripped;
self.searchResultsController.searchText = searchText;
BOOL isSearching = searchText.length > 0;
self.searchResultsController.view.hidden = !isSearching;
if (isSearching) {
[self scrollSearchBarToTopAnimated:NO];
self.tableView.scrollEnabled = NO;
} else {
self.tableView.scrollEnabled = YES;
}
}
- (void)scrollSearchBarToTopAnimated:(BOOL)isAnimated
{
CGFloat topInset = self.topLayoutGuide.length;
[self.tableView setContentOffset:CGPointMake(0, -topInset) animated:isAnimated];
}
- (void)dismissSearchKeyboard
{
[self.searchBar resignFirstResponder];
OWSAssertDebug(!self.searchBar.isFirstResponder);
}
#pragma mark - UIScrollViewDelegate
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
{
[self dismissSearchKeyboard];
}
#pragma mark - ConversationSearchViewDelegate
- (void)conversationSearchViewWillBeginDragging
{
[self dismissSearchKeyboard];
}
#pragma mark - HomeFeedTableViewCellDelegate
- (void)deleteThreadWithConfirmation:(TSThread *)thread
{
__weak ConversationListViewController *weakSelf = self;
ActionSheetController *alert = [[ActionSheetController alloc]
initWithTitle:NSLocalizedString(@"CONVERSATION_DELETE_CONFIRMATION_ALERT_TITLE",
@"Title for the 'conversation delete confirmation' alert.")
message:NSLocalizedString(@"CONVERSATION_DELETE_CONFIRMATION_ALERT_MESSAGE",
@"Message for the 'conversation delete confirmation' alert.")];
[alert addAction:[[ActionSheetAction alloc] initWithTitle:CommonStrings.deleteButton
style:ActionSheetActionStyleDestructive
handler:^(ActionSheetAction *action) {
[weakSelf deleteThread:thread];
}]];
[alert addAction:[OWSActionSheets cancelAction]];
[self presentActionSheet:alert];
}
- (void)performAccessibilityCustomAction:(OWSCellAccessibilityCustomAction *)action
{
switch(action.type){
case OWSCellAccessibilityCustomActionTypeArchive:
[self archiveThread:action.thread];
break;
case OWSCellAccessibilityCustomActionTypeDelete:
[self deleteThreadWithConfirmation:action.thread];
break;
case OWSCellAccessibilityCustomActionTypeMarkRead:
[self markThreadAsRead:action.thread];
break;
case OWSCellAccessibilityCustomActionTypeMarkUnread:
[self markThreadAsUnread:action.thread];
break;
}
}
- (void)deleteThread:(TSThread *)thread
{
// If this conversation is currently selected, close it.
if ([self.conversationSplitViewController.selectedThread.uniqueId isEqualToString:thread.uniqueId]) {
[self.conversationSplitViewController closeSelectedConversationAnimated:YES];
}
DatabaseStorageWrite(self.databaseStorage, ^(SDSAnyWriteTransaction *transaction) {
if ([thread isKindOfClass:[TSGroupThread class]]) {
TSGroupThread *groupThread = (TSGroupThread *)thread;
if (groupThread.isLocalUserMemberOfAnyKind || groupThread.isGroupV2Thread) {
[groupThread softDeleteThreadWithTransaction:transaction];
} else {
[groupThread anyRemoveWithTransaction:transaction];
}
} else {
// contact thread
[thread softDeleteThreadWithTransaction:transaction];
}
});
[self updateViewState];
}
- (void)markThreadAsRead:(TSThread *)thread
{
DatabaseStorageWrite(self.databaseStorage, ^(SDSAnyWriteTransaction *transaction) {
[thread markAllAsReadAndUpdateStorageService:YES transaction:transaction];
});
}
- (void)markThreadAsUnread:(TSThread *)thread
{
DatabaseStorageWrite(self.databaseStorage, ^(SDSAnyWriteTransaction *transaction) {
[thread markAsUnreadAndUpdateStorageService:YES transaction:transaction];
});
}
- (void)archiveThread:(TSThread *)thread
{
// If this conversation is currently selected, close it.
if ([self.conversationSplitViewController.selectedThread.uniqueId isEqualToString:thread.uniqueId]) {
[self.conversationSplitViewController closeSelectedConversationAnimated:YES];
}
DatabaseStorageWrite(self.databaseStorage, ^(SDSAnyWriteTransaction *transaction) {
switch (self.conversationListMode) {
case ConversationListMode_Inbox:
[thread archiveThreadAndUpdateStorageService:YES transaction:transaction];
break;
case ConversationListMode_Archive:
[thread unarchiveThreadAndUpdateStorageService:YES transaction:transaction];
break;
}
});
[self updateViewState];
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSLogInfo(@"%ld %ld", (long)indexPath.row, (long)indexPath.section);
[self dismissSearchKeyboard];
ConversationListViewControllerSection section = (ConversationListViewControllerSection)indexPath.section;
switch (section) {
case ConversationListViewControllerSectionReminders: {
break;
}
case ConversationListViewControllerSectionConversations: {
TSThread *thread = [self threadForIndexPath:indexPath];
[self presentThread:thread action:ConversationViewActionNone animated:YES];
break;
}
case ConversationListViewControllerSectionArchiveButton: {
[self showArchivedConversations];
break;
}
}
}
- (void)presentThread:(TSThread *)thread action:(ConversationViewAction)action animated:(BOOL)isAnimated
{
[BenchManager startEventWithTitle:@"Presenting Conversation"
eventId:[NSString stringWithFormat:@"presenting-conversation-%@", thread.uniqueId]];
[self presentThread:thread action:action focusMessageId:nil animated:isAnimated];
}
- (void)presentThread:(TSThread *)thread
action:(ConversationViewAction)action
focusMessageId:(nullable NSString *)focusMessageId
animated:(BOOL)isAnimated
{
if (thread == nil) {
OWSFailDebug(@"Thread unexpectedly nil");
return;
}
[self.conversationSplitViewController presentThread:thread
action:action
focusMessageId:focusMessageId
animated:isAnimated];
}
- (BOOL)isConversationActiveForThread:(TSThread *)thread
{
OWSAssertDebug(thread);
return [self.conversationSplitViewController.selectedThread.uniqueId isEqualToString:thread.uniqueId];
}
#pragma mark - Groupings
- (void)showArchivedConversations
{
OWSAssertDebug(self.conversationListMode == ConversationListMode_Inbox);
// When showing archived conversations, we want to use a conventional "back" button
// to return to the "inbox" conversation list.
[self applyArchiveBackButton];
// Push a separate instance of this view using "archive" mode.
ConversationListViewController *conversationList = [ConversationListViewController new];
conversationList.conversationListMode = ConversationListMode_Archive;
[self showViewController:conversationList sender:self];
}
- (nullable ConversationListViewController *)presentedConversationListViewController
{
UIViewController *_Nullable topViewController = self.navigationController.topViewController;
if (topViewController == self) {
return nil;
}
if (![topViewController isKindOfClass:[ConversationListViewController class]]) {
return nil;
}
return (ConversationListViewController *)topViewController;
}
- (NSString *)currentGrouping
{
switch (self.conversationListMode) {
case ConversationListMode_Inbox:
return TSInboxGroup;
case ConversationListMode_Archive:
return TSArchiveGroup;
}
}
#pragma mark - DatabaseSnapshotDelegate
- (void)uiDatabaseSnapshotWillUpdate
{
OWSAssertIsOnMainThread();
[BenchManager startEventWithTitle:@"uiDatabaseUpdate" eventId:@"uiDatabaseUpdate"];
}
- (void)uiDatabaseSnapshotDidUpdateWithDatabaseChanges:(id<UIDatabaseChanges>)databaseChanges
{
OWSAssertIsOnMainThread();
OWSAssert(StorageCoordinator.dataStoreForUI == DataStoreGrdb);
if (!self.shouldObserveDBModifications) {
return;
}
[self anyUIDBDidUpdateWithUpdatedThreadIds:databaseChanges.threadUniqueIds];
}
- (void)uiDatabaseSnapshotDidUpdateExternally
{
OWSAssertIsOnMainThread();
OWSLogVerbose(@"");
if (self.shouldObserveDBModifications) {
// External database modifications can't be converted into incremental updates,
// so rebuild everything. This is expensive and usually isn't necessary, but
// there's no alternative.
//
// We don't need to do this if we're not observing db modifications since we'll
// do it when we resume.
[self resetMappings];
}
}
- (void)uiDatabaseSnapshotDidReset
{
OWSAssertIsOnMainThread();
if (self.shouldObserveDBModifications) {
// We don't need to do this if we're not observing db modifications since we'll
// do it when we resume.
[self resetMappings];
}
}
#pragma mark AnyDB Update
- (void)anyUIDBDidUpdateWithUpdatedThreadIds:(NSSet<NSString *> *)updatedItemIds
{
OWSAssertIsOnMainThread();
if (updatedItemIds.count < 1) {
// Ignoring irrelevant update.
[self updateViewState];
return;
}
__block ThreadMappingDiff *_Nullable mappingDiff;
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
mappingDiff =
[self.threadMapping updateAndCalculateDiffSwallowingErrorsWithIsViewingArchive:self.isViewingArchive
updatedItemIds:updatedItemIds
transaction:transaction];
}];
// We want this regardless of if we're currently viewing the archive.
// So we run it before the early return
[self updateViewState];
if (mappingDiff == nil) {
// Diffing failed, reload to get back to a known good state.
[self.tableView reloadData];
return;
}
if (mappingDiff.sectionChanges.count == 0 && mappingDiff.rowChanges.count == 0) {
return;
}
if ([self updateHasArchivedThreadsRow]) {
[self.tableView reloadData];
return;
}
[self.tableView beginUpdates];
OWSAssertDebug(mappingDiff.sectionChanges.count == 0);
for (ThreadMappingRowChange *rowChange in mappingDiff.rowChanges) {
NSString *key = rowChange.uniqueRowId;
OWSAssertDebug(key);
[self.threadViewModelCache removeObjectForKey:key];
switch (rowChange.type) {
case ThreadMappingChangeDelete: {
[self.tableView deleteRowsAtIndexPaths:@[ rowChange.oldIndexPath ]
withRowAnimation:UITableViewRowAnimationAutomatic];
break;
}
case ThreadMappingChangeInsert: {
[self.tableView insertRowsAtIndexPaths:@[ rowChange.newIndexPath ]
withRowAnimation:UITableViewRowAnimationAutomatic];
break;
}
case ThreadMappingChangeMove: {
// NOTE: we perform moves using a "delete" and "insert"
// rather than a "move". This ensures that moved
// items are also reloaded. This is how UICollectionView
// performs reloads internally.
[self.tableView deleteRowsAtIndexPaths:@[ rowChange.oldIndexPath ]
withRowAnimation:UITableViewRowAnimationAutomatic];
[self.tableView insertRowsAtIndexPaths:@[ rowChange.newIndexPath ]
withRowAnimation:UITableViewRowAnimationAutomatic];
break;
}
case ThreadMappingChangeUpdate: {
[self.tableView reloadRowsAtIndexPaths:@[ rowChange.oldIndexPath ]
withRowAnimation:UITableViewRowAnimationNone];
break;
}
}
}
[self.tableView endUpdates];
[BenchManager completeEventWithEventId:@"uiDatabaseUpdate"];
}
#pragma mark Profile Whitelist Changes
- (void)profileWhitelistDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
// If profile whitelist just changed, we need to update the associated
// thread to reflect the latest message request state.
SignalServiceAddress *_Nullable address = notification.userInfo[kNSNotificationKey_ProfileAddress];
NSData *_Nullable groupId = notification.userInfo[kNSNotificationKey_ProfileGroupId];
__block NSString *_Nullable changedThreadId;
if (address.isValid) {
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
changedThreadId = [TSContactThread getThreadWithContactAddress:address transaction:transaction].uniqueId;
}];
} else if (groupId.length > 0) {
changedThreadId = [TSGroupThread threadIdFromGroupId:groupId];
}
if (changedThreadId) {
[self anyUIDBDidUpdateWithUpdatedThreadIds:[NSSet setWithObject:changedThreadId]];
}
}
#pragma mark -
- (NSUInteger)numberOfInboxThreads
{
return self.threadMapping.inboxCount;
}
- (NSUInteger)numberOfArchivedThreads
{
return self.threadMapping.archiveCount;
}
- (void)updateViewState
{
if (self.shouldShowEmptyInboxView) {
[_tableView setHidden:YES];
[self.emptyInboxView setHidden:NO];
[self.firstConversationCueView setHidden:!self.shouldShowFirstConversationCue];
[self updateFirstConversationLabel];
} else {
[_tableView setHidden:NO];
[self.emptyInboxView setHidden:YES];
[self.firstConversationCueView setHidden:YES];
}
}
- (BOOL)shouldShowFirstConversationCue
{
__block BOOL hasSavedThread;
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
hasSavedThread = [SSKPreferences hasSavedThreadWithTransaction:transaction];
}];
return self.shouldShowEmptyInboxView && !hasSavedThread;
}
- (BOOL)shouldShowEmptyInboxView
{
return self.conversationListMode == ConversationListMode_Inbox && self.numberOfInboxThreads == 0
&& self.numberOfArchivedThreads == 0;
}
// We want to delay asking for a review until an opportune time.
// If the user has *just* launched Signal they intend to do something, we don't want to interrupt them.
- (void)requestReviewIfAppropriate
{
static NSUInteger callCount = 0;
callCount++;
if (self.hasEverAppeared && callCount > 25) {
OWSLogDebug(@"requesting review");
// In Debug this pops up *every* time, which is helpful, but annoying.
// In Production this will pop up at most 3 times per 365 days.
#ifndef DEBUG
static dispatch_once_t onceToken;
// Despite `SKStoreReviewController` docs, some people have reported seeing the "request review" prompt
// repeatedly after first installation. Let's make sure it only happens at most once per launch.
dispatch_once(&onceToken, ^{
[SKStoreReviewController requestReview];
});
#endif
} else {
OWSLogDebug(@"not requesting review");
}
}
#pragma mark - OWSBlockListCacheDelegate
- (void)blockListCacheDidUpdate:(OWSBlockListCache *_Nonnull)blocklistCache
{
OWSLogVerbose(@"");
[self reloadTableViewData];
}
#pragma mark - CameraFirstCaptureDelegate
- (void)cameraFirstCaptureSendFlowDidComplete:(CameraFirstCaptureSendFlow *)cameraFirstCaptureSendFlow
{
[self dismissViewControllerAnimated:true completion:nil];
}
- (void)cameraFirstCaptureSendFlowDidCancel:(CameraFirstCaptureSendFlow *)cameraFirstCaptureSendFlow
{
[self dismissViewControllerAnimated:true completion:nil];
}
@end
NS_ASSUME_NONNULL_END