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Review changes
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Aram Sargsyan
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/*
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Copyright 2017 Aram Sargsyan
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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 "RoomsListViewController.h"
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#import "RoomTableViewCell.h"
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#import "NSBundle+MatrixKit.h"
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@import MobileCoreServices;
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@interface RoomsListViewController () <UITableViewDataSource, UITableViewDelegate>
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@property (nonatomic) NSExtensionContext *shareExtensionContext;
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@property (copy) void (^failureBlock)();
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@property (nonatomic) NSArray <MXRoom *> *rooms;
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@property (nonatomic) UITableView *mainTableView;
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@end
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@implementation RoomsListViewController
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#pragma mark - Lifecycle
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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[self configureTableView];
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}
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#pragma mark - Public
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+ (instancetype)listViewControllerWithContext:(NSExtensionContext *)context failureBlock:(void(^)())failureBlock
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{
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RoomsListViewController *listViewController = [[self class] new];
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listViewController.shareExtensionContext = context;
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listViewController.failureBlock = failureBlock;
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return listViewController;
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}
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- (void)updateWithRooms:(NSArray <MXRoom *>*)rooms
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{
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self.rooms = rooms;
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[self.mainTableView reloadData];
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}
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#pragma mark - Views
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- (void)configureTableView
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{
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self.mainTableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStylePlain];
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self.mainTableView.dataSource = self;
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self.mainTableView.delegate = self;
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[self.mainTableView registerNib:[RoomTableViewCell nib] forCellReuseIdentifier:[RoomTableViewCell defaultReuseIdentifier]];
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[self.view addSubview:self.mainTableView];
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self.mainTableView.translatesAutoresizingMaskIntoConstraints = NO;
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self.view.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *widthConstraint = [NSLayoutConstraint constraintWithItem:self.mainTableView attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeWidth multiplier:1 constant:0];
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widthConstraint.active = YES;
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NSLayoutConstraint *heightConstraint = [NSLayoutConstraint constraintWithItem:self.mainTableView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeHeight multiplier:1 constant:0];
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heightConstraint.active = YES;
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NSLayoutConstraint *centerXConstraint = [NSLayoutConstraint constraintWithItem:self.mainTableView attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterX multiplier:1 constant:0];
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centerXConstraint.active = YES;
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NSLayoutConstraint *centerYConstraint = [NSLayoutConstraint constraintWithItem:self.mainTableView attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeCenterY multiplier:1 constant:0];
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centerYConstraint.active = YES;
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}
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#pragma mark - Private
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- (void)sendToRoom:(MXRoom *)room
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{
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NSString *UTTypeText = (__bridge NSString *)kUTTypeText;
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NSString *UTTypeURL = (__bridge NSString *)kUTTypeURL;
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NSString *UTTypeImage = (__bridge NSString *)kUTTypeImage;
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NSString *UTTypeVideo = (__bridge NSString *)kUTTypeVideo;
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for (NSExtensionItem *item in self.shareExtensionContext.inputItems)
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{
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for (NSItemProvider *itemProvider in item.attachments)
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{
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if ([itemProvider hasItemConformingToTypeIdentifier:UTTypeText])
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{
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[itemProvider loadItemForTypeIdentifier:UTTypeText options:nil completionHandler:^(NSString *text, NSError * _Null_unspecified error) {
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if (!text)
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{
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[self showFailureAlert];
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return;
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}
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[room sendTextMessage:text success:^(NSString *eventId) {
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[self.shareExtensionContext completeRequestReturningItems:@[item] completionHandler:nil];
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} failure:^(NSError *error) {
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NSLog(@"[RoomsListViewController] sendTextMessage failed.");
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[self showFailureAlert];
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}];
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}];
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}
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else if ([itemProvider hasItemConformingToTypeIdentifier:UTTypeURL])
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{
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[itemProvider loadItemForTypeIdentifier:UTTypeURL options:nil completionHandler:^(NSURL *url, NSError * _Null_unspecified error) {
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if (!url)
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{
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[self showFailureAlert];
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return;
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}
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[room sendTextMessage:url.absoluteString success:^(NSString *eventId) {
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[self.shareExtensionContext completeRequestReturningItems:@[item] completionHandler:nil];
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} failure:^(NSError *error) {
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NSLog(@"[RoomsListViewController] sendTextMessage failed.");
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[self showFailureAlert];
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}];
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}];
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}
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else if ([itemProvider hasItemConformingToTypeIdentifier:UTTypeImage])
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{
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NSString *mimeType;
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if ([itemProvider hasItemConformingToTypeIdentifier:(__bridge NSString *)kUTTypeJPEG])
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{
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mimeType = @"image/jpeg";
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}
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else if ([itemProvider hasItemConformingToTypeIdentifier:(__bridge NSString *)kUTTypePNG])
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{
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mimeType = @"image/png";
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}
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[itemProvider loadItemForTypeIdentifier:UTTypeImage options:nil completionHandler:^(NSData *imageData, NSError * _Null_unspecified error)
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{
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if (!imageData)
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{
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[self showFailureAlert];
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return;
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}
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//Send the image
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UIImage *image = [[UIImage alloc] initWithData:imageData];
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UIImage *thumbnail = nil;
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// Thumbnail is useful only in case of encrypted room
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if (room.state.isEncrypted)
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{
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thumbnail = [MXKTools reduceImage:image toFitInSize:CGSizeMake(800, 600)];
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if (thumbnail == image)
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{
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thumbnail = nil;
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}
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}
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[room sendImage:imageData withImageSize:image.size mimeType:mimeType andThumbnail:thumbnail localEcho:nil success:^(NSString *eventId)
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{
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[self.shareExtensionContext completeRequestReturningItems:@[item] completionHandler:nil];
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}
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failure:^(NSError *error)
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{
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NSLog(@"[RoomsListViewController] sendImage failed.");
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[self showFailureAlert];
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}];
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}];
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}
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else if ([itemProvider hasItemConformingToTypeIdentifier:UTTypeVideo])
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{
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[itemProvider loadItemForTypeIdentifier:UTTypeVideo options:nil completionHandler:^(NSURL *videoLocalUrl, NSError * _Null_unspecified error)
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{
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if (!videoLocalUrl)
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{
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[self showFailureAlert];
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return;
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}
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// Retrieve the video frame at 1 sec to define the video thumbnail
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AVURLAsset *urlAsset = [[AVURLAsset alloc] initWithURL:videoLocalUrl options:nil];
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AVAssetImageGenerator *assetImageGenerator = [AVAssetImageGenerator assetImageGeneratorWithAsset:urlAsset];
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assetImageGenerator.appliesPreferredTrackTransform = YES;
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CMTime time = CMTimeMake(1, 1);
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CGImageRef imageRef = [assetImageGenerator copyCGImageAtTime:time actualTime:NULL error:nil];
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// Finalize video attachment
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UIImage *videoThumbnail = [[UIImage alloc] initWithCGImage:imageRef];
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CFRelease(imageRef);
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[room sendVideo:videoLocalUrl withThumbnail:videoThumbnail localEcho:nil success:^(NSString *eventId) {
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[self.shareExtensionContext completeRequestReturningItems:@[item] completionHandler:nil];
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} failure:^(NSError *error) {
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NSLog(@"[RoomsListViewController] sendVideo failed.");
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[self showFailureAlert];
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}];
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}];
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}
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}
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}
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}
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- (void)showFailureAlert
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{
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:NSLocalizedStringFromTable(@"room_event_failed_to_send", @"Vector", nil) message:nil preferredStyle:UIAlertControllerStyleAlert];
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UIAlertAction *okAction = [UIAlertAction actionWithTitle:[NSBundle mxk_localizedStringForKey:@"ok"] style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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if (self.failureBlock)
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{
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self.failureBlock();
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}
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else
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{
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[self.shareExtensionContext cancelRequestWithError:[NSError errorWithDomain:@"MXUserFailureErrorDomain" code:500 userInfo:nil]];
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}
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}];
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[alertController addAction:okAction];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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#pragma mark - UITableViewDataSource
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
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{
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return 1;
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
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{
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return self.rooms.count;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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RoomTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:[RoomTableViewCell defaultReuseIdentifier]];
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MXRoom *room = self.rooms[indexPath.row];
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[cell render:room];
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if (!room.summary.displayname.length && !cell.titleLabel.text.length)
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{
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cell.titleLabel.text = NSLocalizedStringFromTable(@"room_displayname_no_title", @"Vector", nil);
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}
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return cell;
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}
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#pragma mark - UITableViewDelegate
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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return [RoomTableViewCell cellHeight];
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}
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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[tableView deselectRowAtIndexPath:indexPath animated:YES];
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:[NSString stringWithFormat:NSLocalizedStringFromTable(@"send_to", @"Vector", nil), self.rooms[indexPath.row].riotDisplayname] message:nil preferredStyle:UIAlertControllerStyleAlert];
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UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:[NSBundle mxk_localizedStringForKey:@"cancel"] style:UIAlertActionStyleCancel handler:nil];
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[alertController addAction:cancelAction];
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UIAlertAction *sendAction = [UIAlertAction actionWithTitle:[NSBundle mxk_localizedStringForKey:@"send"] style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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[self sendToRoom:self.rooms[indexPath.row]];
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}];
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[alertController addAction:sendAction];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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@end
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