element-ios/Riot/Modules/Rooms/DirectoryPicker/DirectoryServerPickerViewCo...

362 lines
14 KiB
Objective-C

/*
Copyright 2024 New Vector Ltd.
Copyright 2017 Vector Creations Ltd
SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
*/
#import "DirectoryServerPickerViewController.h"
#import "DirectoryServerTableViewCell.h"
#import "DirectoryServerDetailTableViewCell.h"
#import "GeneratedInterface-Swift.h"
@interface DirectoryServerPickerViewController ()
{
MXKDirectoryServersDataSource *dataSource;
// Observe kAppDelegateDidTapStatusBarNotification to handle tap on clock status bar.
id kAppDelegateDidTapStatusBarNotificationObserver;
void (^onCompleteBlock)(id<MXKDirectoryServerCellDataStoring> cellData);
// Current alert (if any).
UIAlertController *currentAlert;
// Current request in progress.
MXHTTPOperation *mxCurrentOperation;
// Observe kThemeServiceDidChangeThemeNotification to handle user interface theme change.
id kThemeServiceDidChangeThemeNotificationObserver;
}
@property (nonatomic) AnalyticsScreenTracker *screenTracker;
@end
@implementation DirectoryServerPickerViewController
- (void)finalizeInit
{
[super finalizeInit];
// Setup `MXKViewControllerHandling` properties
self.enableBarTintColorStatusChange = NO;
self.rageShakeManager = [RageShakeManager sharedManager];
self.screenTracker = [[AnalyticsScreenTracker alloc] initWithScreen:AnalyticsScreenSwitchDirectory];
}
- (void)destroy
{
dataSource.delegate = nil;
dataSource = nil;
onCompleteBlock = nil;
if (kThemeServiceDidChangeThemeNotificationObserver)
{
[[NSNotificationCenter defaultCenter] removeObserver:kThemeServiceDidChangeThemeNotificationObserver];
kThemeServiceDidChangeThemeNotificationObserver = nil;
}
if (kAppDelegateDidTapStatusBarNotificationObserver)
{
[[NSNotificationCenter defaultCenter] removeObserver:kAppDelegateDidTapStatusBarNotificationObserver];
kAppDelegateDidTapStatusBarNotificationObserver = nil;
}
// Close any pending actionsheet
if (currentAlert)
{
[currentAlert dismissViewControllerAnimated:NO completion:nil];
currentAlert = nil;
}
if (mxCurrentOperation)
{
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
}
[super destroy];
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.title = [VectorL10n directoryServerPickerTitle];
self.tableView.delegate = self;
// Register view cell classes
[self.tableView registerClass:DirectoryServerTableViewCell.class forCellReuseIdentifier:DirectoryServerTableViewCell.defaultReuseIdentifier];
[self.tableView registerClass:DirectoryServerDetailTableViewCell.class forCellReuseIdentifier:DirectoryServerDetailTableViewCell.defaultReuseIdentifier];
// Add a cancel button
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(onCancel:)];
self.navigationItem.leftBarButtonItem.accessibilityIdentifier = @"DirectoryServerPickerVCCancelButton";
// Add a + button
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(onAdd:)];
self.navigationItem.rightBarButtonItem.accessibilityIdentifier = @"DirectoryServerPickerVCAddButton";
// Hide line separators of empty cells
self.tableView.tableFooterView = [[UIView alloc] init];
// Observe user interface theme change.
kThemeServiceDidChangeThemeNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kThemeServiceDidChangeThemeNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
[self userInterfaceThemeDidChange];
}];
[self userInterfaceThemeDidChange];
}
- (void)userInterfaceThemeDidChange
{
[ThemeService.shared.theme applyStyleOnNavigationBar:self.navigationController.navigationBar];
self.activityIndicator.backgroundColor = ThemeService.shared.theme.overlayBackgroundColor;
// Check the table view style to select its bg color.
self.tableView.backgroundColor = ((self.tableView.style == UITableViewStylePlain) ? ThemeService.shared.theme.backgroundColor : ThemeService.shared.theme.headerBackgroundColor);
self.view.backgroundColor = self.tableView.backgroundColor;
self.tableView.separatorColor = ThemeService.shared.theme.lineBreakColor;
if (self.tableView.dataSource)
{
[self.tableView reloadData];
}
[self setNeedsStatusBarAppearanceUpdate];
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
return ThemeService.shared.theme.statusBarStyle;
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
// Observe kAppDelegateDidTapStatusBarNotificationObserver.
kAppDelegateDidTapStatusBarNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kAppDelegateDidTapStatusBarNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
[self.tableView setContentOffset:CGPointMake(-self.tableView.adjustedContentInset.left, -self.tableView.adjustedContentInset.top) animated:YES];
}];
[dataSource loadData];
[self.screenTracker trackScreen];
}
- (void)viewWillDisappear:(BOOL)animated
{
if (kAppDelegateDidTapStatusBarNotificationObserver)
{
[[NSNotificationCenter defaultCenter] removeObserver:kAppDelegateDidTapStatusBarNotificationObserver];
kAppDelegateDidTapStatusBarNotificationObserver = nil;
}
[super viewWillDisappear:animated];
}
- (void)displayWithDataSource:(MXKDirectoryServersDataSource*)theDataSource
onComplete:(void (^)(id<MXKDirectoryServerCellDataStoring> cellData))onComplete;
{
dataSource = theDataSource;
onCompleteBlock = onComplete;
// Let the data source provide cells
self.tableView.dataSource = dataSource;
dataSource.delegate = self;
}
#pragma mark - MXKDataSourceDelegate
- (Class<MXKCellRendering>)cellViewClassForCellData:(MXKCellData*)cellData
{
id<MXKDirectoryServerCellDataStoring> directoryCellData = (id<MXKDirectoryServerCellDataStoring>)cellData;
if (directoryCellData.homeserver)
{
return DirectoryServerDetailTableViewCell.class;
}
return DirectoryServerTableViewCell.class;
}
- (NSString *)cellReuseIdentifierForCellData:(MXKCellData*)cellData
{
id<MXKDirectoryServerCellDataStoring> directoryCellData = (id<MXKDirectoryServerCellDataStoring>)cellData;
if (directoryCellData.homeserver)
{
return DirectoryServerDetailTableViewCell.defaultReuseIdentifier;
}
return DirectoryServerTableViewCell.defaultReuseIdentifier;
}
- (void)dataSource:(MXKDataSource*)dataSource didCellChange:(id /* @TODO*/)changes
{
[self.tableView reloadData];
}
- (void)dataSource:(MXKDataSource*)dataSource2 didStateChange:(MXKDataSourceState)state
{
if (state == MXKDataSourceStatePreparing)
{
[self startActivityIndicator];
}
else
{
[self stopActivityIndicator];
[self.tableView reloadData];
}
}
#pragma mark - UITableViewDelegate
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
{
cell.backgroundColor = ThemeService.shared.theme.backgroundColor;
// Update the selected background view
if (ThemeService.shared.theme.selectedBackgroundColor)
{
cell.selectedBackgroundView = [[UIView alloc] init];
cell.selectedBackgroundView.backgroundColor = ThemeService.shared.theme.selectedBackgroundColor;
}
else
{
if (tableView.style == UITableViewStylePlain)
{
cell.selectedBackgroundView = nil;
}
else
{
cell.selectedBackgroundView.backgroundColor = nil;
}
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return DirectoryServerTableViewCell.cellHeight;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
id<MXKDirectoryServerCellDataStoring> cellData = [dataSource cellDataAtIndexPath:indexPath];
if (onCompleteBlock)
{
onCompleteBlock(cellData);
}
[self withdrawViewControllerAnimated:YES completion:nil];
}
#pragma mark - User actions
- (IBAction)onCancel:(id)sender
{
if (onCompleteBlock)
{
onCompleteBlock(nil);
}
[self withdrawViewControllerAnimated:YES completion:nil];
}
- (IBAction)onAdd:(id)sender
{
__weak typeof(self) weakSelf = self;
[currentAlert dismissViewControllerAnimated:NO completion:nil];
// Prompt the user to enter a homeserver
currentAlert = [UIAlertController alertControllerWithTitle:nil message:[VectorL10n directoryServerTypeHomeserver] preferredStyle:UIAlertControllerStyleAlert];
[currentAlert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
textField.secureTextEntry = NO;
textField.placeholder = [VectorL10n directoryServerPlaceholder];
textField.keyboardType = UIKeyboardTypeDefault;
}];
[currentAlert addAction:[UIAlertAction actionWithTitle:[VectorL10n cancel]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
if (weakSelf)
{
typeof(self) self = weakSelf;
self->currentAlert = nil;
}
}]];
[currentAlert addAction:[UIAlertAction actionWithTitle:[VectorL10n ok]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
if (weakSelf)
{
typeof(self) self = weakSelf;
NSString *text = [self->currentAlert textFields].firstObject.text;
self->currentAlert = nil;
NSString *homeserver = text;
if (homeserver.length)
{
// Test if the homeserver exists
[self.activityIndicator startAnimating];
self->mxCurrentOperation = [self->dataSource.mxSession.matrixRestClient publicRoomsOnServer:homeserver limit:20 since:nil filter:nil thirdPartyInstanceId:nil includeAllNetworks:YES success:^(MXPublicRoomsResponse *publicRoomsResponse) {
if (weakSelf && self->mxCurrentOperation)
{
// The homeserver is valid
self->mxCurrentOperation = nil;
[self.activityIndicator stopAnimating];
if (self->onCompleteBlock)
{
// Prepare response argument
MXKDirectoryServerCellData *cellData = [[MXKDirectoryServerCellData alloc] initWithHomeserver:homeserver includeAllNetworks:YES];
self->onCompleteBlock(cellData);
}
[self withdrawViewControllerAnimated:YES completion:nil];
}
} failure:^(NSError *error) {
if (weakSelf && self->mxCurrentOperation)
{
// The homeserver is not valid
self->mxCurrentOperation = nil;
[self.activityIndicator stopAnimating];
[[AppDelegate theDelegate] showErrorAsAlert:error];
}
}];
}
}
}]];
[self presentViewController:currentAlert animated:YES completion:nil];
}
@end