element-ios/Riot/Modules/MatrixKit/Views/MXKRoomCreationView.m

570 lines
20 KiB
Objective-C

/*
Copyright 2018-2024 New Vector Ltd.
Copyright 2017 Vector Creations Ltd
Copyright 2015 OpenMarket Ltd
SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
*/
#import "MXKRoomCreationView.h"
#import "MXKConstants.h"
#import "NSBundle+MatrixKit.h"
#import "MXKSwiftHeader.h"
@interface MXKRoomCreationView ()
{
UIAlertController *mxSessionPicker;
// Array of homeserver suffix (NSString instance)
NSMutableArray *homeServerSuffixArray;
}
@end
@implementation MXKRoomCreationView
@synthesize inputAccessoryView;
+ (UINib *)nib
{
return [UINib nibWithNibName:NSStringFromClass([MXKRoomCreationView class])
bundle:[NSBundle bundleForClass:[MXKRoomCreationView class]]];
}
+ (instancetype)roomCreationView
{
if ([[self class] nib])
{
return [[[self class] nib] instantiateWithOwner:nil options:nil].firstObject;
}
else
{
return [[self alloc] init];
}
}
- (void)awakeFromNib
{
[super awakeFromNib];
// Add observer to keep align text fields
[_roomNameLabel addObserver:self forKeyPath:@"text" options:0 context:nil];
[_roomAliasLabel addObserver:self forKeyPath:@"text" options:0 context:nil];
[_participantsLabel addObserver:self forKeyPath:@"text" options:0 context:nil];
[self alignTextFields];
// Finalize setup
[self setTranslatesAutoresizingMaskIntoConstraints: NO];
// Add an accessory view to the text views in order to retrieve keyboard view.
inputAccessoryView = [[UIView alloc] initWithFrame:CGRectZero];
_roomNameTextField.inputAccessoryView = inputAccessoryView;
_roomAliasTextField.inputAccessoryView = inputAccessoryView;
_participantsTextField.inputAccessoryView = inputAccessoryView;
// Localize strings
_roomNameLabel.text = [VectorL10n roomCreationNameTitle];
_roomNameTextField.placeholder = [VectorL10n roomCreationNamePlaceholder];
_roomAliasLabel.text = [VectorL10n roomCreationAliasTitle];
_roomAliasTextField.placeholder = [VectorL10n roomCreationAliasPlaceholder];
_participantsLabel.text = [VectorL10n roomCreationParticipantsTitle];
_participantsTextField.placeholder = [VectorL10n roomCreationParticipantsPlaceholder];
[_roomVisibilityControl setTitle:[VectorL10n public] forSegmentAtIndex:0];
[_roomVisibilityControl setTitle:[VectorL10n private] forSegmentAtIndex:1];
[_createRoomBtn setTitle:[VectorL10n createRoom] forState:UIControlStateNormal];
[_createRoomBtn setTitle:[VectorL10n createRoom] forState:UIControlStateHighlighted];
}
- (void)dealloc
{
[self destroy];
inputAccessoryView = nil;
}
- (void)setRoomNameFieldHidden:(BOOL)roomNameFieldHidden
{
_roomNameFieldHidden = _roomNameTextField.hidden = _roomNameLabel.hidden = roomNameFieldHidden;
if (roomNameFieldHidden)
{
_roomAliasFieldTopConstraint.constant -= _roomNameTextField.frame.size.height + 8;
_participantsFieldTopConstraint.constant -= _roomNameTextField.frame.size.height + 8;
_createRoomBtnTopConstraint.constant -= _roomNameTextField.frame.size.height + 8;
}
else
{
_roomAliasFieldTopConstraint.constant += _roomNameTextField.frame.size.height + 8;
_participantsFieldTopConstraint.constant += _roomNameTextField.frame.size.height + 8;
_createRoomBtnTopConstraint.constant += _roomNameTextField.frame.size.height + 8;
}
[self alignTextFields];
}
- (void)setRoomAliasFieldHidden:(BOOL)roomAliasFieldHidden
{
_roomAliasFieldHidden = _roomAliasTextField.hidden = _roomAliasLabel.hidden = roomAliasFieldHidden;
if (roomAliasFieldHidden)
{
_participantsFieldTopConstraint.constant -= _roomAliasTextField.frame.size.height + 8;
_createRoomBtnTopConstraint.constant -= _roomAliasTextField.frame.size.height + 8;
}
else
{
_participantsFieldTopConstraint.constant += _roomAliasTextField.frame.size.height + 8;
_createRoomBtnTopConstraint.constant += _roomAliasTextField.frame.size.height + 8;
}
[self alignTextFields];
}
- (void)setParticipantsFieldHidden:(BOOL)participantsFieldHidden
{
_participantsFieldHidden = _participantsTextField.hidden = _participantsLabel.hidden = participantsFieldHidden;
if (participantsFieldHidden)
{
_createRoomBtnTopConstraint.constant -= _participantsTextField.frame.size.height + 8;
}
else
{
_createRoomBtnTopConstraint.constant += _participantsTextField.frame.size.height + 8;
}
[self alignTextFields];
}
- (CGFloat)actualFrameHeight
{
return (_createRoomBtnTopConstraint.constant + _createRoomBtn.frame.size.height + 8);
}
- (void)setMxSessions:(NSArray *)mxSessions
{
_mxSessions = mxSessions;
if (mxSessions.count)
{
homeServerSuffixArray = [NSMutableArray array];
for (MXSession *mxSession in mxSessions)
{
NSString *homeserverSuffix = mxSession.matrixRestClient.homeserverSuffix;
if (homeserverSuffix && [homeServerSuffixArray indexOfObject:homeserverSuffix] == NSNotFound)
{
[homeServerSuffixArray addObject:homeserverSuffix];
}
}
}
else
{
homeServerSuffixArray = nil;
}
// Update alias placeholder in room creation section
if (homeServerSuffixArray.count == 1)
{
_roomAliasTextField.placeholder = [VectorL10n roomCreationAliasPlaceholderWithHomeserver:homeServerSuffixArray.firstObject];
}
else
{
_roomAliasTextField.placeholder = [VectorL10n roomCreationAliasPlaceholder];
}
}
- (void)dismissKeyboard
{
// Hide the keyboard
[_roomNameTextField resignFirstResponder];
[_roomAliasTextField resignFirstResponder];
[_participantsTextField resignFirstResponder];
}
- (void)destroy
{
self.mxSessions = nil;
// Remove observers
[_roomNameLabel removeObserver:self forKeyPath:@"text"];
[_roomAliasLabel removeObserver:self forKeyPath:@"text"];
[_participantsLabel removeObserver:self forKeyPath:@"text"];
}
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event
{
// UIView will be "transparent" for touch events if we return NO
return YES;
}
#pragma mark - Internal methods
- (void)alignTextFields
{
CGFloat maxLabelLenght = 0;
if (!_roomNameLabel.hidden)
{
maxLabelLenght = _roomNameLabel.frame.size.width;
}
if (!_roomAliasLabel.hidden && maxLabelLenght < _roomAliasLabel.frame.size.width)
{
maxLabelLenght = _roomAliasLabel.frame.size.width;
}
if (!_participantsLabel.hidden && maxLabelLenght < _participantsLabel.frame.size.width)
{
maxLabelLenght = _participantsLabel.frame.size.width;
}
// Update textField left constraint by adding marging
_textFieldLeftConstraint.constant = maxLabelLenght + (2 * 8);
[self layoutIfNeeded];
}
- (NSString*)alias
{
// Extract alias name from alias text field
NSString *alias = _roomAliasTextField.text;
if (alias.length)
{
// Remove '#' character
alias = [alias substringFromIndex:1];
NSString *actualAlias = nil;
for (NSString *homeServerSuffix in homeServerSuffixArray)
{
// Remove homeserver suffix
NSRange range = [alias rangeOfString:homeServerSuffix];
if (range.location != NSNotFound)
{
actualAlias = [alias stringByReplacingCharactersInRange:range withString:@""];
break;
}
}
if (actualAlias)
{
alias = actualAlias;
}
else
{
MXLogDebug(@"[MXKRoomCreationView] Wrong room alias has been set (%@)", _roomAliasTextField.text);
alias = nil;
}
}
if (! alias.length)
{
alias = nil;
}
return alias;
}
- (NSArray*)participantsList
{
NSMutableArray *participants = [NSMutableArray array];
if (_participantsTextField.text.length)
{
NSArray *components = [_participantsTextField.text componentsSeparatedByString:@";"];
for (NSString *component in components)
{
// Remove white space from both ends
NSString *user = [component stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
if (user.length > 1 && [user hasPrefix:@"@"])
{
[participants addObject:user];
}
}
}
if (participants.count == 0)
{
participants = nil;
}
return participants;
}
- (void)selectMatrixSession:(void (^)(MXSession *selectedSession))onSelection
{
if (_mxSessions.count == 1)
{
if (onSelection)
{
onSelection(_mxSessions.firstObject);
}
}
else if (_mxSessions.count > 1)
{
if (mxSessionPicker)
{
[mxSessionPicker dismissViewControllerAnimated:NO completion:nil];
}
mxSessionPicker = [UIAlertController alertControllerWithTitle:[VectorL10n selectAccount] message:nil preferredStyle:UIAlertControllerStyleActionSheet];
__weak typeof(self) weakSelf = self;
for(MXSession *mxSession in _mxSessions)
{
[mxSessionPicker addAction:[UIAlertAction actionWithTitle:mxSession.myUser.userId
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
if (weakSelf)
{
typeof(self) self = weakSelf;
self->mxSessionPicker = nil;
if (onSelection)
{
onSelection(mxSession);
}
}
}]];
}
[mxSessionPicker addAction:[UIAlertAction actionWithTitle:[VectorL10n cancel]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
if (weakSelf)
{
typeof(self) self = weakSelf;
self->mxSessionPicker = nil;
}
}]];
[mxSessionPicker popoverPresentationController].sourceView = self;
[mxSessionPicker popoverPresentationController].sourceRect = self.bounds;
if (self.delegate)
{
[self.delegate roomCreationView:self presentAlertController:mxSessionPicker];
}
}
}
#pragma mark - UITextField delegate
- (IBAction)textFieldEditingChanged:(id)sender
{
// Update Create Room button
NSString *roomName = _roomNameTextField.text;
NSString *roomAlias = _roomAliasTextField.text;
NSString *participants = _participantsTextField.text;
// Room alias is required to create public room
_createRoomBtn.enabled = ((_roomVisibilityControl.selectedSegmentIndex == 0) ? roomAlias.length : (roomName.length || roomAlias.length || participants.length));
}
- (void)textFieldDidBeginEditing:(UITextField *)textField
{
if (textField == _participantsTextField)
{
if (textField.text.length == 0)
{
textField.text = @"@";
}
}
else if (textField == _roomAliasTextField)
{
if (textField.text.length == 0)
{
textField.text = @"#";
}
}
}
- (void)textFieldDidEndEditing:(UITextField *)textField
{
if (textField == _roomAliasTextField)
{
if (homeServerSuffixArray.count == 1)
{
// Check whether homeserver suffix should be added
NSRange range = [textField.text rangeOfString:@":"];
if (range.location == NSNotFound)
{
textField.text = [textField.text stringByAppendingString:homeServerSuffixArray.firstObject];
}
}
// Check whether the alias is valid
if (!self.alias)
{
// reset text field
textField.text = nil;
// Update Create button status
_createRoomBtn.enabled = ((_roomVisibilityControl.selectedSegmentIndex == 1) && (_roomNameTextField.text.length || _participantsTextField.text.length));
}
}
else if (textField == _participantsTextField)
{
NSArray *participants = self.participantsList;
textField.text = [participants componentsJoinedByString:@"; "];
// Update Create button status
_createRoomBtn.enabled = ((_roomVisibilityControl.selectedSegmentIndex == 0) ? _roomAliasTextField.text.length : (_roomNameTextField.text.length || _roomAliasTextField.text.length || _participantsTextField.text.length));
}
}
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
// Auto complete participant IDs
if (textField == _participantsTextField)
{
// Add @ if none
if (!textField.text.length || textField.text.length == range.length)
{
if ([string hasPrefix:@"@"] == NO)
{
textField.text = [NSString stringWithFormat:@"@%@",string];
return NO;
}
}
else if (range.location == textField.text.length)
{
if ([string isEqualToString:@";"])
{
// Add '@' character
textField.text = [textField.text stringByAppendingString:@"; @"];
return NO;
}
}
}
else if (textField == _roomAliasTextField)
{
// Add # if none
if (!textField.text.length || textField.text.length == range.length)
{
if ([string hasPrefix:@"#"] == NO)
{
if ([string isEqualToString:@":"] && homeServerSuffixArray.count == 1)
{
textField.text = [NSString stringWithFormat:@"#%@",homeServerSuffixArray.firstObject];
}
else
{
textField.text = [NSString stringWithFormat:@"#%@",string];
}
return NO;
}
}
else if (homeServerSuffixArray.count == 1)
{
// Add homeserver automatically when user adds ':' at the end
if (range.location == textField.text.length && [string isEqualToString:@":"])
{
textField.text = [textField.text stringByAppendingString:homeServerSuffixArray.firstObject];
return NO;
}
}
}
return YES;
}
- (BOOL)textFieldShouldReturn:(UITextField*) textField
{
// "Done" key has been pressed
[textField resignFirstResponder];
return YES;
}
#pragma mark - Actions
- (IBAction)onButtonPressed:(id)sender
{
[self dismissKeyboard];
// Handle multi-sessions here
[self selectMatrixSession:^(MXSession *selectedSession)
{
if (sender == self->_createRoomBtn)
{
// Disable button to prevent multiple request
self->_createRoomBtn.enabled = NO;
MXRoomCreationParameters *roomCreationParameters = [MXRoomCreationParameters new];
roomCreationParameters.name = self->_roomNameTextField.text;
if (!roomCreationParameters.name.length)
{
roomCreationParameters.name = nil;
}
// Check whether some users must be invited
roomCreationParameters.inviteArray = self.participantsList;
// Prepare room settings
if (self->_roomVisibilityControl.selectedSegmentIndex == 0)
{
roomCreationParameters.visibility = kMXRoomDirectoryVisibilityPublic;
}
else
{
roomCreationParameters.visibility = kMXRoomDirectoryVisibilityPrivate;
roomCreationParameters.isDirect = (roomCreationParameters.inviteArray.count == 1);
}
// Ensure direct chat are created with equal ops on both sides (the trusted_private_chat preset)
roomCreationParameters.preset = (roomCreationParameters.isDirect ? kMXRoomPresetTrustedPrivateChat : nil);
// Create new room
[selectedSession createRoomWithParameters:roomCreationParameters success:^(MXRoom *room) {
// Reset text fields
self->_roomNameTextField.text = nil;
self->_roomAliasTextField.text = nil;
self->_participantsTextField.text = nil;
if (self.delegate)
{
// Open created room
[self.delegate roomCreationView:self showRoom:room.roomId withMatrixSession:selectedSession];
}
} failure:^(NSError *error) {
self->_createRoomBtn.enabled = YES;
MXLogDebug(@"[MXKRoomCreationView] Create room (%@ %@ (%@)) failed", self->_roomNameTextField.text, self.alias, (self->_roomVisibilityControl.selectedSegmentIndex == 0) ? @"Public":@"Private");
// Notify MatrixKit user
NSString *myUserId = selectedSession.myUser.userId;
[[NSNotificationCenter defaultCenter] postNotificationName:kMXKErrorNotification object:error userInfo:myUserId ? @{kMXKErrorUserIdKey: myUserId} : nil];
}];
}
}];
}
#pragma mark - KVO
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
// Check whether one label has been updated
if ([@"text" isEqualToString:keyPath] && (object == _roomNameLabel || object == _roomAliasLabel || object == _participantsLabel))
{
// Update left constraint of the text fields
[object sizeToFit];
[self alignTextFields];
}
}
@end