2
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MasterPassword/MasterPassword/ObjC/iOS/MPPasswordsViewController.m

623 lines
25 KiB
Objective-C

/**
* Copyright Maarten Billemont (http://www.lhunath.com, lhunath@lyndir.com)
*
* See the enclosed file LICENSE for license information (LGPLv3). If you did
* not receive this file, see http://www.gnu.org/licenses/lgpl-3.0.txt
*
* @author Maarten Billemont <lhunath@lyndir.com>
* @license http://www.gnu.org/licenses/lgpl-3.0.txt
*/
//
// MPPasswordsViewController.h
// MPPasswordsViewController
//
// Created by lhunath on 2014-03-08.
// Copyright, lhunath (Maarten Billemont) 2014. All rights reserved.
//
#import "MPPasswordsViewController.h"
#import "MPiOSAppDelegate.h"
#import "MPAppDelegate_Store.h"
#import "MPPasswordLargeCell.h"
#import "MPPasswordTypesCell.h"
#import "MPPasswordSmallCell.h"
#import "MPPopdownSegue.h"
#import "MPAppDelegate_Key.h"
#import "MPCoachmarkViewController.h"
@interface MPPasswordsViewController()<NSFetchedResultsControllerDelegate>
@property(nonatomic, strong) IBOutlet UINavigationBar *navigationBar;
@property(nonatomic, readonly) NSString *query;
@end
@implementation MPPasswordsViewController {
__weak id _storeObserver;
__weak id _mocObserver;
NSArray *_notificationObservers;
__weak UITapGestureRecognizer *_passwordsDismissRecognizer;
NSFetchedResultsController *_fetchedResultsController;
BOOL _exactMatch;
NSMutableDictionary *_fetchedUpdates;
UIColor *_backgroundColor;
UIColor *_darkenedBackgroundColor;
__weak UIViewController *_popdownVC;
}
#pragma mark - Life
- (void)viewDidLoad {
[super viewDidLoad];
_fetchedUpdates = [NSMutableDictionary dictionaryWithCapacity:4];
_backgroundColor = self.passwordCollectionView.backgroundColor;
_darkenedBackgroundColor = [_backgroundColor colorWithAlphaComponent:0.6f];
_coachmark = [MPCoachmark coachmarkForClass:[self class] version:0];
self.view.backgroundColor = [UIColor clearColor];
self.passwordCollectionView.contentInset = UIEdgeInsetsMake( 108, 0, 0, 0 );
[self.passwordCollectionView automaticallyAdjustInsetsForKeyboard];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self registerObservers];
[self observeStore];
[self updatePasswords];
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
PearlMainQueueAfter( 1, ^{
if (!self.coachmark.coached)
[self performSegueWithIdentifier:@"coachmarks" sender:self];
} );
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[self removeObservers];
[self stopObservingStore];
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
if ([segue.identifier isEqualToString:@"popdown"])
_popdownVC = segue.destinationViewController;
if ([segue.identifier isEqualToString:@"coachmarks"])
((MPCoachmarkViewController *)segue.destinationViewController).coachmark = self.coachmark;
}
#pragma mark - UICollectionViewDelegateFlowLayout
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout
sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
if (collectionView == self.passwordCollectionView) {
if (indexPath.item < 3 ||
indexPath.item >= ((id<NSFetchedResultsSectionInfo>)self.fetchedResultsController.sections[indexPath.section]).numberOfObjects)
return CGSizeMake( 300, 100 );
UICollectionViewFlowLayout *layout = (UICollectionViewFlowLayout *)collectionViewLayout;
return CGSizeMake( (300 - layout.minimumInteritemSpacing) / 2, 44 );
}
Throw(@"Unexpected collection view: %@", collectionView);
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
if (collectionView == self.passwordCollectionView)
return [self.fetchedResultsController.sections count];
Throw(@"Unexpected collection view: %@", collectionView);
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
if (collectionView == self.passwordCollectionView)
return ![MPiOSAppDelegate get].activeUserOID? 0:
((id<NSFetchedResultsSectionInfo>)self.fetchedResultsController.sections[section]).numberOfObjects +
(!_exactMatch && [[self query] length]? 1: 0);
Throw(@"Unexpected collection view: %@", collectionView);
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
if (collectionView == self.passwordCollectionView) {
[UIView setAnimationsEnabled:NO];
MPPasswordElementCell *cell;
if (indexPath.item < ((id<NSFetchedResultsSectionInfo>)self.fetchedResultsController.sections[indexPath.section]).numberOfObjects) {
MPElementEntity *element = [self.fetchedResultsController objectAtIndexPath:indexPath];
if (indexPath.item < 3)
cell = [MPPasswordTypesCell dequeueCellForElement:element fromCollectionView:collectionView atIndexPath:indexPath];
else
cell = [MPPasswordSmallCell dequeueCellForElement:element fromCollectionView:collectionView atIndexPath:indexPath];
}
else
// New Site.
cell = [MPPasswordTypesCell dequeueCellForTransientSite:self.query fromCollectionView:collectionView atIndexPath:indexPath];
[UIView setAnimationsEnabled:YES];
return cell;
}
Throw(@"Unexpected collection view: %@", collectionView);
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
MPPasswordElementCell *cell = (MPPasswordElementCell *)[collectionView cellForItemAtIndexPath:indexPath];
NSString *newSiteName = cell.transientSite;
if (newSiteName) {
[PearlAlert showAlertWithTitle:@"Create Site"
message:strf( @"Do you want to create a new site named:\n%@", newSiteName )
viewStyle:UIAlertViewStyleDefault
initAlert:nil tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
if (buttonIndex == [alert cancelButtonIndex]) {
// Cancel
NSIndexPath *indexPath_ = [collectionView indexPathForCell:cell];
[collectionView selectItemAtIndexPath:indexPath_ animated:NO
scrollPosition:UICollectionViewScrollPositionCenteredHorizontally];
[collectionView deselectItemAtIndexPath:indexPath_ animated:YES];
return;
}
// Create
[[MPiOSAppDelegate get] addElementNamed:newSiteName completion:^(MPElementEntity *element) {
PearlMainQueue( ^{
[PearlOverlay showTemporaryOverlayWithTitle:strf( @"Added %@", newSiteName ) dismissAfter:2];
PearlMainQueueAfter( 0.2f, ^{
NSIndexPath *indexPath_ = [collectionView indexPathForCell:cell];
[collectionView selectItemAtIndexPath:indexPath_ animated:NO
scrollPosition:UICollectionViewScrollPositionCenteredHorizontally];
[collectionView deselectItemAtIndexPath:indexPath_ animated:YES];
} );
} );
}];
} cancelTitle:[PearlStrings get].commonButtonCancel otherTitles:[PearlStrings get].commonButtonYes, nil];
return;
}
MPElementEntity *element = [cell mainElement];
if (!element) {
[collectionView selectItemAtIndexPath:indexPath animated:NO
scrollPosition:UICollectionViewScrollPositionCenteredHorizontally];
[collectionView deselectItemAtIndexPath:indexPath animated:YES];
return;
}
inf(@"Copying password for: %@", element.name);
MPCheckpoint( MPCheckpointCopyToPasteboard, @{
@"type" : NilToNSNull(element.typeName),
@"version" : @(element.version),
@"emergency" : @NO
} );
[element resolveContentUsingKey:[MPAppDelegate_Shared get].key result:^(NSString *result) {
if (![result length]) {
PearlMainQueue( ^{
NSIndexPath *indexPath_ = [collectionView indexPathForCell:cell];
[collectionView selectItemAtIndexPath:indexPath_ animated:NO
scrollPosition:UICollectionViewScrollPositionCenteredHorizontally];
[collectionView deselectItemAtIndexPath:indexPath_ animated:YES];
} );
return;
}
[UIPasteboard generalPasteboard].string = result;
PearlMainQueue( ^{
[PearlOverlay showTemporaryOverlayWithTitle:@"Password Copied" dismissAfter:2];
PearlMainQueueAfter( 0.2f, ^{
NSIndexPath *indexPath_ = [collectionView indexPathForCell:cell];
[collectionView selectItemAtIndexPath:indexPath_ animated:NO
scrollPosition:UICollectionViewScrollPositionCenteredHorizontally];
[collectionView deselectItemAtIndexPath:indexPath_ animated:YES];
[MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
[[cell elementInContext:context] use];
[context saveToStore];
}];
} );
} );
}];
}
#pragma mark - NSFetchedResultsControllerDelegate
- (void)controllerWillChangeContent:(NSFetchedResultsController *)controller {
if (controller == _fetchedResultsController) {
dbg(@"controllerWillChangeContent");
NSAssert(![_fetchedUpdates count], @"Didn't finish a previous change update?");
if ([_fetchedUpdates count]) {
[_fetchedUpdates removeAllObjects];
[self.passwordCollectionView reloadData];
}
}
}
- (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath
forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath {
if (controller == _fetchedResultsController) {
NSMutableArray *updatesForType = _fetchedUpdates[@(type)];
if (!updatesForType)
_fetchedUpdates[@(type)] = updatesForType = [NSMutableArray new];
[updatesForType addObject:@{
@"object" : NilToNSNull(anObject),
@"indexPath" : NilToNSNull(indexPath),
@"newIndexPath" : NilToNSNull(newIndexPath)
}];
switch (type) {
case NSFetchedResultsChangeInsert:
dbg(@"didChangeObject: insert: %@", [updatesForType lastObject]);
break;
case NSFetchedResultsChangeDelete:
dbg(@"didChangeObject: delete: %@", [updatesForType lastObject]);
break;
case NSFetchedResultsChangeMove:
dbg(@"didChangeObject: move: %@", [updatesForType lastObject]);
break;
case NSFetchedResultsChangeUpdate:
dbg(@"didChangeObject: update: %@", [updatesForType lastObject]);
break;
}
}
}
- (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id<NSFetchedResultsSectionInfo>)sectionInfo
atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type {
if (controller == _fetchedResultsController) {
NSMutableArray *updatesForType = _fetchedUpdates[@(type << 3)];
if (!updatesForType)
_fetchedUpdates[@(type << 3)] = updatesForType = [NSMutableArray new];
[updatesForType addObject:@{
@"sectionInfo" : NilToNSNull(sectionInfo),
@"index" : @(sectionIndex)
}];
switch (type) {
case NSFetchedResultsChangeInsert:
dbg(@"didChangeSection: insert: %@", [updatesForType lastObject]);
break;
case NSFetchedResultsChangeDelete:
dbg(@"didChangeSection: delete: %@", [updatesForType lastObject]);
break;
case NSFetchedResultsChangeMove:
dbg(@"didChangeSection: move: %@", [updatesForType lastObject]);
break;
case NSFetchedResultsChangeUpdate:
dbg(@"didChangeSection: update: %@", [updatesForType lastObject]);
break;
}
}
}
- (void)controllerDidChangeContent:(NSFetchedResultsController *)controller {
if (controller == _fetchedResultsController && [_fetchedUpdates count]) {
[self.passwordCollectionView performBatchUpdates:^{
[_fetchedUpdates enumerateKeysAndObjectsUsingBlock:^(NSNumber *typeNumber, NSArray *updates, BOOL *stop) {
BOOL updateIsSection = NO;
NSFetchedResultsChangeType type = [typeNumber unsignedIntegerValue];
if (type >= 1 << 3) {
updateIsSection = YES;
type = type >> 3;
}
switch (type) {
case NSFetchedResultsChangeInsert:
if (updateIsSection) {
for (NSDictionary *update in updates) {
dbg(@"insertSections:%@", update[@"index"]);
[self.passwordCollectionView insertSections:
[NSIndexSet indexSetWithIndex:[update[@"index"] unsignedIntegerValue]]];
}
}
else {
dbg(@"insertItemsAtIndexPaths:%@", [updates valueForKeyPath:@"@unionOfObjects.newIndexPath"]);
[self.passwordCollectionView insertItemsAtIndexPaths:[updates valueForKeyPath:@"@unionOfObjects.newIndexPath"]];
}
break;
case NSFetchedResultsChangeDelete:
if (updateIsSection) {
for (NSDictionary *update in updates) {
dbg(@"deleteSections:%@", update[@"index"]);
[self.passwordCollectionView deleteSections:
[NSIndexSet indexSetWithIndex:[update[@"index"] unsignedIntegerValue]]];
}
}
else {
dbg(@"deleteItemsAtIndexPaths:%@", [updates valueForKeyPath:@"@unionOfObjects.indexPath"]);
[self.passwordCollectionView deleteItemsAtIndexPaths:[updates valueForKeyPath:@"@unionOfObjects.indexPath"]];
}
break;
case NSFetchedResultsChangeMove:
NSAssert(!updateIsSection, @"Move not supported for sections");
for (NSDictionary *update in updates) {
dbg(@"moveItemAtIndexPath:%@ toIndexPath:%@", update[@"indexPath"], update[@"newIndexPath"]);
[self.passwordCollectionView moveItemAtIndexPath:update[@"indexPath"] toIndexPath:update[@"newIndexPath"]];
}
break;
case NSFetchedResultsChangeUpdate:
NSAssert(!updateIsSection, @"Update not supported for sections");
dbg(@"reloadItemsAtIndexPaths:%@", [updates valueForKeyPath:@"@unionOfObjects.indexPath"]);
[self.passwordCollectionView reloadItemsAtIndexPaths:[updates valueForKeyPath:@"@unionOfObjects.indexPath"]];
break;
}
}];
} completion:nil];
[_fetchedUpdates removeAllObjects];
}
}
#pragma mark - UIScrollViewDelegate
#pragma mark - UISearchBarDelegate
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {
if (searchBar == self.passwordsSearchBar) {
searchBar.text = nil;
return YES;
}
return NO;
}
- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
if (searchBar == self.passwordsSearchBar) {
self.originalQuery = self.query;
self.passwordsSearchBar.showsCancelButton = YES;
_passwordsDismissRecognizer = [self.view dismissKeyboardForField:self.passwordsSearchBar onTouchForced:NO];
[UIView animateWithDuration:0.3f animations:^{
self.passwordCollectionView.backgroundColor = _darkenedBackgroundColor;
}];
}
}
- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar {
if (searchBar == self.passwordsSearchBar) {
self.passwordsSearchBar.showsCancelButton = NO;
if (_passwordsDismissRecognizer)
[self.view removeGestureRecognizer:_passwordsDismissRecognizer];
[UIView animateWithDuration:0.3f animations:^{
self.passwordCollectionView.backgroundColor = _backgroundColor;
}];
}
}
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
[searchBar resignFirstResponder];
}
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {
[searchBar resignFirstResponder];
if (searchBar == self.passwordsSearchBar) {
self.passwordsSearchBar.text = self.originalQuery;
[self updatePasswords];
}
}
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {
if (searchBar == self.passwordsSearchBar)
[self updatePasswords];
}
#pragma mark - Private
- (void)registerObservers {
if ([_notificationObservers count])
return;
Weakify(self);
_notificationObservers = @[
[[NSNotificationCenter defaultCenter]
addObserverForName:UIApplicationWillResignActiveNotification object:nil
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
Strongify(self);
self.passwordSelectionContainer.alpha = 0;
}],
[[NSNotificationCenter defaultCenter]
addObserverForName:MPSignedOutNotification object:nil
queue:nil usingBlock:^(NSNotification *note) {
Strongify(self);
_fetchedResultsController = nil;
self.passwordsSearchBar.text = nil;
[self updatePasswords];
}],
[[NSNotificationCenter defaultCenter]
addObserverForName:UIApplicationDidBecomeActiveNotification object:nil
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
Strongify(self);
[self updatePasswords];
[UIView animateWithDuration:1 animations:^{
self.passwordSelectionContainer.alpha = 1;
}];
}],
];
}
- (void)removeObservers {
for (id observer in _notificationObservers)
[[NSNotificationCenter defaultCenter] removeObserver:observer];
_notificationObservers = nil;
}
- (void)observeStore {
Weakify(self);
NSManagedObjectContext *mainContext = [MPiOSAppDelegate managedObjectContextForMainThreadIfReady];
if (!_mocObserver && mainContext)
_mocObserver = [[NSNotificationCenter defaultCenter]
addObserverForName:NSManagedObjectContextObjectsDidChangeNotification object:mainContext
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
// Strongify(self);
// [self updatePasswords];
}];
if (!_storeObserver)
_storeObserver = [[NSNotificationCenter defaultCenter]
addObserverForName:USMStoreDidChangeNotification object:nil
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
Strongify(self);
_fetchedResultsController = nil;
[self updatePasswords];
}];
}
- (void)stopObservingStore {
if (_mocObserver)
[[NSNotificationCenter defaultCenter] removeObserver:_mocObserver];
if (_storeObserver)
[[NSNotificationCenter defaultCenter] removeObserver:_storeObserver];
}
- (void)updatePasswords {
NSString *query = self.query;
NSManagedObjectID *activeUserOID = [MPiOSAppDelegate get].activeUserOID;
if (!activeUserOID) {
self.passwordsSearchBar.text = nil;
PearlMainQueue( ^{
[self.passwordCollectionView reloadData];
[self.passwordCollectionView setContentOffset:CGPointMake( 0, -self.passwordCollectionView.contentInset.top ) animated:YES];
} );
return;
}
[self.fetchedResultsController.managedObjectContext performBlock:^{
NSError *error = nil;
self.fetchedResultsController.fetchRequest.predicate =
[query length]?
[NSPredicate predicateWithFormat:@"user == %@ AND name BEGINSWITH[cd] %@", activeUserOID, query]:
[NSPredicate predicateWithFormat:@"user == %@", activeUserOID];
if (![self.fetchedResultsController performFetch:&error])
err(@"Couldn't fetch elements: %@", error);
_exactMatch = NO;
for (MPElementEntity *entity in self.fetchedResultsController.fetchedObjects)
if ([entity.name isEqualToString:query]) {
_exactMatch = YES;
break;
}
PearlMainQueue( ^{
[self.passwordCollectionView performBatchUpdates:^{
NSInteger fromSections = self.passwordCollectionView.numberOfSections;
NSInteger toSections = [self numberOfSectionsInCollectionView:self.passwordCollectionView];
for (int section = 0; section < MAX(toSections, fromSections); section++) {
if (section >= fromSections) {
dbg(@"insertSections:%d", section);
[self.passwordCollectionView insertSections:[NSIndexSet indexSetWithIndex:section]];
}
else if (section >= toSections) {
dbg(@"deleteSections:%d", section);
[self.passwordCollectionView deleteSections:[NSIndexSet indexSetWithIndex:section]];
}
else {
dbg(@"reloadSections:%d", section);
[self.passwordCollectionView reloadSections:[NSIndexSet indexSetWithIndex:section]];
}
}
} completion:^(BOOL finished) {
if (finished)
[self.passwordCollectionView setContentOffset:CGPointMake( 0, -self.passwordCollectionView.contentInset.top )
animated:YES];
}];
} );
}];
}
#pragma mark - Properties
- (NSString *)query {
return [self.passwordsSearchBar.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
}
- (NSFetchedResultsController *)fetchedResultsController {
if (!_fetchedResultsController) {
[MPiOSAppDelegate managedObjectContextForMainThreadPerformBlockAndWait:^(NSManagedObjectContext *mainContext) {
NSFetchRequest *fetchRequest = [NSFetchRequest fetchRequestWithEntityName:NSStringFromClass( [MPElementEntity class] )];
fetchRequest.sortDescriptors = @[
[[NSSortDescriptor alloc] initWithKey:NSStringFromSelector( @selector(lastUsed) ) ascending:NO]
];
fetchRequest.fetchBatchSize = 10;
_fetchedResultsController = [[NSFetchedResultsController alloc]
initWithFetchRequest:fetchRequest managedObjectContext:mainContext sectionNameKeyPath:nil cacheName:nil];
_fetchedResultsController.delegate = self;
}];
[self observeStore];
}
return _fetchedResultsController;
}
- (void)setActive:(BOOL)active {
[self setActive:active animated:NO completion:nil];
}
- (void)setActive:(BOOL)active animated:(BOOL)animated completion:(void (^)(BOOL finished))completion {
_active = active;
[UIView animateWithDuration:animated? 0.4f: 0 animations:^{
self.navigationBarToTopConstraint.priority = active? 1: UILayoutPriorityDefaultHigh;
self.passwordsToBottomConstraint.priority = active? 1: UILayoutPriorityDefaultHigh;
[self.navigationBarToTopConstraint apply];
[self.passwordsToBottomConstraint apply];
} completion:completion];
}
#pragma mark - Actions
- (IBAction)dismissPopdown:(id)sender {
if (_popdownVC)
[[[MPPopdownSegue alloc] initWithIdentifier:@"unwind-popdown" source:_popdownVC destination:self] perform];
else
self.popdownToTopConstraint.priority = UILayoutPriorityDefaultHigh;
}
- (IBAction)signOut:(id)sender {
[[MPiOSAppDelegate get] signOutAnimated:YES];
}
@end