mirror of
https://github.com/vector-im/element-ios.git
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655 lines
24 KiB
Objective-C
655 lines
24 KiB
Objective-C
/*
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Copyright 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "StartChatViewController.h"
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#import "AppDelegate.h"
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@interface StartChatViewController ()
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{
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// Section indexes
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NSInteger participantsSection;
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// The current list of participants.
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NSMutableArray<MXKContact*> *participants;
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// Navigation bar items
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UIBarButtonItem *cancelBarButtonItem;
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UIBarButtonItem *createBarButtonItem;
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// HTTP Request
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MXHTTPOperation *roomCreationRequest;
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// This dictionary tells for each display name whether it appears several times in participants list
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NSMutableDictionary <NSString*, NSNumber*> *isMultiUseNameByDisplayName;
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}
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@end
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@implementation StartChatViewController
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#pragma mark - Class methods
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+ (UINib *)nib
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{
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return [UINib nibWithNibName:NSStringFromClass([StartChatViewController class])
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bundle:[NSBundle bundleForClass:[StartChatViewController class]]];
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}
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+ (instancetype)startChatViewController
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{
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return [[[self class] alloc] initWithNibName:NSStringFromClass([StartChatViewController class])
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bundle:[NSBundle bundleForClass:[StartChatViewController class]]];
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}
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#pragma mark -
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- (void)finalizeInit
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{
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[super finalizeInit];
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self.forceMatrixIdInDisplayName = YES;
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_isAddParticipantSearchBarEditing = NO;
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// Prepare room participants
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participants = [NSMutableArray array];
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// Assign itself as delegate
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self.contactsTableViewControllerDelegate = self;
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// Add a plus icon to the contact cell when a search session is in progress,
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// in order to make it more understandable for the end user.
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self.contactCellAccessoryImage = [UIImage imageNamed:@"plus_icon"];;
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}
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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// Do any additional setup after loading the view, typically from a nib.
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// Check whether the view controller has been pushed via storyboard
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if (!self.tableView)
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{
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// Instantiate view controller objects
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[[[self class] nib] instantiateWithOwner:self options:nil];
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}
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// Adjust Top and Bottom constraints to take into account potential navBar and tabBar.
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[NSLayoutConstraint deactivateConstraints:@[_searchBarTopConstraint, _tableViewBottomConstraint]];
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_searchBarTopConstraint = [NSLayoutConstraint constraintWithItem:self.topLayoutGuide
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self.searchBarHeader
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attribute:NSLayoutAttributeTop
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multiplier:1.0f
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constant:0.0f];
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_tableViewBottomConstraint = [NSLayoutConstraint constraintWithItem:self.bottomLayoutGuide
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.tableView
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attribute:NSLayoutAttributeBottom
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multiplier:1.0f
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constant:0.0f];
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[NSLayoutConstraint activateConstraints:@[_searchBarTopConstraint, _tableViewBottomConstraint]];
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self.navigationItem.title = NSLocalizedStringFromTable(@"room_creation_title", @"Vector", nil);
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// Add each matrix session by default.
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NSArray *sessions = [AppDelegate theDelegate].mxSessions;
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for (MXSession *mxSession in sessions)
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{
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[self addMatrixSession:mxSession];
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}
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cancelBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(onButtonPressed:)];
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self.navigationItem.leftBarButtonItem = cancelBarButtonItem;
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createBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedStringFromTable(@"start", @"Vector", nil) style:UIBarButtonItemStylePlain target:self action:@selector(onButtonPressed:)];
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self.navigationItem.rightBarButtonItem = createBarButtonItem;
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_searchBarView.placeholder = NSLocalizedStringFromTable(@"room_creation_invite_another_user", @"Vector", nil);
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_searchBarView.returnKeyType = UIReturnKeyDone;
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_searchBarView.autocapitalizationType = UITextAutocapitalizationTypeNone;
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[self refreshSearchBarItemsColor:_searchBarView];
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_searchBarHeaderBorder.backgroundColor = kVectorColorSilver;
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// Hide line separators of empty cells
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self.tableView.tableFooterView = [[UIView alloc] init];
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[self.tableView registerClass:ContactTableViewCell.class forCellReuseIdentifier:@"ParticipantTableViewCellId"];
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}
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- (void)destroy
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{
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if (roomCreationRequest)
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{
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[roomCreationRequest cancel];
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roomCreationRequest = nil;
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}
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cancelBarButtonItem = nil;
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createBarButtonItem = nil;
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isMultiUseNameByDisplayName = nil;
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participants = nil;
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[super destroy];
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}
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- (void)addMatrixSession:(MXSession *)mxSession
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{
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[super addMatrixSession:mxSession];
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[self refreshParticipants];
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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// Screen tracking (via Google Analytics)
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id<GAITracker> tracker = [[GAI sharedInstance] defaultTracker];
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if (tracker)
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{
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[tracker set:kGAIScreenName value:@"StartChat"];
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[tracker send:[[GAIDictionaryBuilder createScreenView] build]];
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}
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// Active the search session if the current participant list is empty
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if (!participants.count)
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{
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self.isAddParticipantSearchBarEditing = YES;
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}
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else
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{
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// Refresh display
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[self refreshTableView];
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}
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}
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- (void)viewWillDisappear:(BOOL)animated
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{
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[super viewWillDisappear:animated];
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// cancel any pending search
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[self searchBarCancelButtonClicked:_searchBarView];
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}
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#pragma mark -
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- (void)setIsAddParticipantSearchBarEditing:(BOOL)isAddParticipantSearchBarEditing
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{
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if (_isAddParticipantSearchBarEditing != isAddParticipantSearchBarEditing)
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{
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if (isAddParticipantSearchBarEditing)
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{
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self.navigationItem.rightBarButtonItem = nil;
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}
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else
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{
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self.navigationItem.rightBarButtonItem = createBarButtonItem;
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[self refreshParticipants];
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}
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_isAddParticipantSearchBarEditing = isAddParticipantSearchBarEditing;
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// Switch the display between search result and participants list
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[self refreshTableView];
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}
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}
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#pragma mark - Internals
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- (void)refreshParticipants
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{
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// Refer all participants in ignored contacts dictionary.
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isMultiUseNameByDisplayName = [NSMutableDictionary dictionary];
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for (MXKContact* contact in participants)
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{
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NSArray *identifiers = contact.matrixIdentifiers;
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if (identifiers.count)
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{
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// Here the contact can only have one identifier
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[self.ignoredContactsByMatrixId setObject:contact forKey:identifiers.firstObject];
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}
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else
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{
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NSArray *emails = contact.emailAddresses;
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if (emails.count)
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{
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// Here the contact can only have one email
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MXKEmail *email = emails.firstObject;
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[self.ignoredContactsByEmail setObject:contact forKey:email.emailAddress];
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}
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}
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isMultiUseNameByDisplayName[contact.displayName] = (isMultiUseNameByDisplayName[contact.displayName] ? @(YES) : @(NO));
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}
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if (userContact)
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{
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[self.ignoredContactsByMatrixId setObject:userContact forKey:self.mainSession.myUser.userId];
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}
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}
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#pragma mark - UITableView data source
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
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{
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NSInteger count = 0;
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if (_isAddParticipantSearchBarEditing)
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{
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participantsSection = -1;
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count = [super numberOfSectionsInTableView:self.tableView];
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}
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else
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{
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searchInputSection = filteredLocalContactsSection = filteredMatrixContactsSection = -1;
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participantsSection = count++;
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}
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return count;
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
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{
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NSInteger count = 0;
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if (_isAddParticipantSearchBarEditing)
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{
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count = [super tableView:self.tableView numberOfRowsInSection:section];
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}
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else if (section == participantsSection)
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{
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count = participants.count + 1;
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}
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return count;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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UITableViewCell *cell;
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if (_isAddParticipantSearchBarEditing)
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{
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cell = [super tableView:self.tableView cellForRowAtIndexPath:indexPath];
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}
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else if (indexPath.section == participantsSection)
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{
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ContactTableViewCell* participantCell = [tableView dequeueReusableCellWithIdentifier:@"ParticipantTableViewCellId" forIndexPath:indexPath];
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MXKContact *contact;
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if (indexPath.row == 0)
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{
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// oneself dedicated cell
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contact = userContact;
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}
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else
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{
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NSInteger index = indexPath.row - 1;
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if (index < participants.count)
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{
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contact = participants[index];
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// Disambiguate the display name when it appears several times.
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if (contact.displayName)
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{
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participantCell.showMatrixIdInDisplayName = [isMultiUseNameByDisplayName[contact.displayName] isEqualToNumber:@(YES)];
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}
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}
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}
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participantCell.selectionStyle = UITableViewCellSelectionStyleNone;
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[participantCell render:contact];
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cell = participantCell;
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}
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return cell;
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}
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- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
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{
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if (indexPath.section == participantsSection && indexPath.row != 0)
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{
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return YES;
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}
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return NO;
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}
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- (void)tableView:(UITableView*)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath*)indexPath
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{
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// iOS8 requires this method to enable editing (see editActionsForRowAtIndexPath).
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}
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#pragma mark - UITableView delegate
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- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
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{
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CGFloat height = 0.0;
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if (_isAddParticipantSearchBarEditing)
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{
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height = [super tableView:self.tableView heightForHeaderInSection:section];
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}
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return height;
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}
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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if (_isAddParticipantSearchBarEditing)
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{
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[super tableView:tableView didSelectRowAtIndexPath:indexPath];
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}
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else
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{
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// Do nothing
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[tableView deselectRowAtIndexPath:indexPath animated:YES];
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}
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}
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- (NSArray *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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NSMutableArray* actions;
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// add the swipe to delete only on participants sections
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if (indexPath.section == participantsSection && indexPath.row != 0)
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{
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actions = [[NSMutableArray alloc] init];
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// Patch: Force the width of the button by adding whitespace characters into the title string.
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UITableViewRowAction *leaveAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDestructive title:@" " handler:^(UITableViewRowAction *action, NSIndexPath *indexPath){
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[self onDeleteAt:indexPath];
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}];
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leaveAction.backgroundColor = [MXKTools convertImageToPatternColor:@"remove_icon" backgroundColor:kVectorColorLightGrey patternSize:CGSizeMake(74, 74) resourceSize:CGSizeMake(25, 24)];
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[actions insertObject:leaveAction atIndex:0];
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}
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return actions;
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}
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#pragma mark - Actions
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- (void)onDeleteAt:(NSIndexPath*)path
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{
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NSInteger row = path.row;
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row --;
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if (row < participants.count)
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{
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[participants removeObjectAtIndex:row];
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[self refreshParticipants];
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[self refreshTableView];
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}
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}
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- (IBAction)onButtonPressed:(id)sender
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{
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if (sender == createBarButtonItem)
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{
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// Disable button to prevent multiple request
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createBarButtonItem.enabled = NO;
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[self startActivityIndicator];
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// Prepare the invited participant data
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NSMutableArray *inviteArray = [NSMutableArray array];
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NSMutableArray *invite3PIDArray = [NSMutableArray array];
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// Check whether some users must be invited
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for (MXKContact *contact in participants)
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{
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NSArray *identifiers = contact.matrixIdentifiers;
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if (identifiers.count)
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{
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[inviteArray addObject:identifiers.firstObject];
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}
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else
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{
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// This is a text entered by the user, or a local contact
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NSString *participantId;
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if (contact.emailAddresses.count)
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{
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// This is a local contact, consider the first email by default.
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// TODO: Prompt the user to select the right email.
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MXKEmail *email = contact.emailAddresses.firstObject;
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participantId = email.emailAddress;
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}
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else
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{
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// This is the text filled by the user.
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participantId = contact.displayName;
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}
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// Is it an email or a Matrix user ID?
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if ([MXTools isEmailAddress:participantId])
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{
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// The identity server must be defined
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if (!self.mainSession.matrixRestClient.identityServer)
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{
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MXError *error = [[MXError alloc] initWithErrorCode:kMXSDKErrCodeStringMissingParameters error:@"No supplied identity server URL"];
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NSLog(@"[StartChatViewController] Invite %@ failed", participantId);
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// Alert user
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[[AppDelegate theDelegate] showErrorAsAlert:[error createNSError]];
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continue;
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}
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// The hostname of the identity server must not have the protocol part
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NSString *identityServer = self.mainSession.matrixRestClient.identityServer;
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if ([identityServer hasPrefix:@"http://"] || [identityServer hasPrefix:@"https://"])
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{
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identityServer = [identityServer substringFromIndex:[identityServer rangeOfString:@"://"].location + 3];
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}
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MXInvite3PID *invite3PID = [[MXInvite3PID alloc] init];
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invite3PID.identityServer = identityServer;
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invite3PID.medium = @"email";
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invite3PID.address = participantId;
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[invite3PIDArray addObject:invite3PID];
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}
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else
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{
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[inviteArray addObject:participantId];
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}
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}
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}
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// Is it a direct chat?
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BOOL isDirect = ((inviteArray.count + invite3PIDArray.count == 1) ? YES : NO);
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// In case of a direct chat with only one user id, we open the first available direct chat
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// or creates a new one (if it doesn't exist).
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if (isDirect && inviteArray.count)
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{
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[[AppDelegate theDelegate] startDirectChatWithUserId:inviteArray.firstObject completion:^{
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[self stopActivityIndicator];
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}];
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}
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else
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{
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// Ensure direct chat are created with equal ops on both sides (the trusted_private_chat preset)
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MXRoomPreset preset = (isDirect ? kMXRoomPresetTrustedPrivateChat : nil);
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// Create new room
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roomCreationRequest = [self.mainSession createRoom:nil
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visibility:kMXRoomDirectoryVisibilityPrivate
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roomAlias:nil
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topic:nil
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invite:(inviteArray.count ? inviteArray : nil)
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invite3PID:(invite3PIDArray.count ? invite3PIDArray : nil)
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isDirect:isDirect
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preset:preset
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success:^(MXRoom *room) {
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roomCreationRequest = nil;
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[self stopActivityIndicator];
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[[AppDelegate theDelegate] showRoom:room.state.roomId andEventId:nil withMatrixSession:self.mainSession];
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} failure:^(NSError *error) {
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createBarButtonItem.enabled = YES;
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roomCreationRequest = nil;
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[self stopActivityIndicator];
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NSLog(@"[StartChatViewController] Create room failed");
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// Alert user
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[[AppDelegate theDelegate] showErrorAsAlert:error];
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}];
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}
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}
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else if (sender == self.navigationItem.leftBarButtonItem)
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{
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// Cancel has been pressed
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if (_isAddParticipantSearchBarEditing && participants.count)
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{
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// Cancel the search process
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[self searchBarCancelButtonClicked:_searchBarView];
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}
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else
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{
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// Cancel the new chat creation
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[self.navigationController dismissViewControllerAnimated:YES completion:nil];
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}
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}
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}
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#pragma mark - UISearchBar delegate
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- (void)refreshSearchBarItemsColor:(UISearchBar *)searchBar
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{
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// bar tint color
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searchBar.barTintColor = searchBar.tintColor = kVectorColorGreen;
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searchBar.tintColor = kVectorColorGreen;
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// FIXME: this all seems incredibly fragile and tied to gutwrenching the current UISearchBar internals.
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// text color
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UITextField *searchBarTextField = [searchBar valueForKey:@"_searchField"];
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searchBarTextField.textColor = kVectorTextColorGray;
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// Magnifying glass icon.
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UIImageView *leftImageView = (UIImageView *)searchBarTextField.leftView;
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leftImageView.image = [leftImageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
|
|
leftImageView.tintColor = kVectorColorGreen;
|
|
|
|
// remove the gray background color
|
|
UIView *effectBackgroundTop = [searchBarTextField valueForKey:@"_effectBackgroundTop"];
|
|
UIView *effectBackgroundBottom = [searchBarTextField valueForKey:@"_effectBackgroundBottom"];
|
|
effectBackgroundTop.hidden = YES;
|
|
effectBackgroundBottom.hidden = YES;
|
|
|
|
// place holder
|
|
searchBarTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:searchBarTextField.placeholder
|
|
attributes:@{NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle),
|
|
NSUnderlineColorAttributeName: kVectorColorGreen,
|
|
NSForegroundColorAttributeName: kVectorColorGreen}];
|
|
}
|
|
|
|
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
|
|
{
|
|
[self searchWithPattern:searchText forceReset:NO complete:nil];
|
|
}
|
|
|
|
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar
|
|
{
|
|
// Check whether the access to the local contacts has not been already asked.
|
|
if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusNotDetermined)
|
|
{
|
|
// Allow by default the local contacts sync in order to discover matrix users.
|
|
// This setting change will trigger the loading of the local contacts, which will automatically
|
|
// ask user permission to access their local contacts.
|
|
[MXKAppSettings standardAppSettings].syncLocalContacts = YES;
|
|
}
|
|
|
|
self.isAddParticipantSearchBarEditing = YES;
|
|
searchBar.showsCancelButton = NO;
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
|
|
{
|
|
// "Done" key has been pressed.
|
|
|
|
// Check whether the current search input is a valid email or a Matrix user ID
|
|
if (currentSearchText.length && ([MXTools isEmailAddress:currentSearchText] || [MXTools isMatrixUserIdentifier:currentSearchText]))
|
|
{
|
|
// Select the contact related to the search input, rather than having to hit +
|
|
if (searchInputSection != -1)
|
|
{
|
|
[self tableView:self.tableView didSelectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:searchInputSection]];
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
// Dismiss keyboard
|
|
[_searchBarView resignFirstResponder];
|
|
}
|
|
|
|
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
|
|
{
|
|
searchBar.text = nil;
|
|
self.isAddParticipantSearchBarEditing = NO;
|
|
|
|
// Reset filtering
|
|
[self searchWithPattern:nil forceReset:NO complete:nil];
|
|
|
|
// Leave search
|
|
[searchBar resignFirstResponder];
|
|
}
|
|
|
|
#pragma mark - ContactsTableViewControllerDelegate
|
|
|
|
- (void)contactsTableViewController:(ContactsTableViewController *)contactsTableViewController didSelectContact:(MXKContact*)contact
|
|
{
|
|
if (contact)
|
|
{
|
|
// Update here the mutable list of participants
|
|
[participants addObject:contact];
|
|
}
|
|
|
|
// Refresh display by leaving search session
|
|
[self searchBarCancelButtonClicked:_searchBarView];
|
|
}
|
|
|
|
@end
|