186 lines
4.5 KiB
Objective-C
186 lines
4.5 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "SAEScreenLockViewController.h"
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#import "UIColor+OWS.h"
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#import <SignalMessaging/SignalMessaging-Swift.h>
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#import <SignalServiceKit/AppContext.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface SAEScreenLockViewController () <ScreenLockViewDelegate>
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@property (nonatomic, readonly, weak) id<ShareViewDelegate> shareViewDelegate;
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@property (nonatomic) BOOL hasShownAuthUIOnce;
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@property (nonatomic) BOOL isShowingAuthUI;
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@end
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#pragma mark -
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@implementation SAEScreenLockViewController
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- (instancetype)initWithShareViewDelegate:(id<ShareViewDelegate>)shareViewDelegate
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{
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self = [super init];
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if (!self) {
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return self;
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}
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_shareViewDelegate = shareViewDelegate;
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self.delegate = self;
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return self;
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}
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- (void)loadView
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{
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[super loadView];
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self.view.backgroundColor = [UIColor ows_materialBlueColor];
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self.title = NSLocalizedString(@"SHARE_EXTENSION_VIEW_TITLE", @"Title for the 'share extension' view.");
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self.navigationItem.leftBarButtonItem =
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[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemStop
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target:self
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action:@selector(dismissPressed:)];
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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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[self ensureUI];
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}
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- (void)viewDidAppear:(BOOL)animated
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{
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[super viewDidAppear:animated];
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[self ensureUI];
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// Auto-show the auth UI f
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if (!self.hasShownAuthUIOnce) {
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self.hasShownAuthUIOnce = YES;
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[self tryToPresentAuthUIToUnlockScreenLock];
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}
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}
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- (void)dealloc
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{
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// Surface memory leaks by logging the deallocation of view controllers.
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DDLogVerbose(@"Dealloc: %@", self.class);
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}
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- (void)tryToPresentAuthUIToUnlockScreenLock
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{
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OWSAssertIsOnMainThread();
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if (self.isShowingAuthUI) {
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// We're already showing the auth UI; abort.
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return;
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}
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DDLogInfo(@"%@, try to unlock screen lock", self.logTag);
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self.isShowingAuthUI = YES;
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[OWSScreenLock.sharedManager tryToUnlockScreenLockWithSuccess:^{
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OWSAssertIsOnMainThread();
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DDLogInfo(@"%@ unlock screen lock succeeded.", self.logTag);
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self.isShowingAuthUI = NO;
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[self.shareViewDelegate shareViewWasUnlocked];
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}
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failure:^(NSError *error) {
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OWSAssertIsOnMainThread();
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DDLogInfo(@"%@ unlock screen lock failed.", self.logTag);
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self.isShowingAuthUI = NO;
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[self ensureUI];
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[self showScreenLockFailureAlertWithMessage:error.localizedDescription];
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}
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unexpectedFailure:^(NSError *error) {
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OWSAssertIsOnMainThread();
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DDLogInfo(@"%@ unlock screen lock unexpectedly failed.", self.logTag);
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self.isShowingAuthUI = NO;
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// Local Authentication isn't working properly.
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// This isn't covered by the docs or the forums but in practice
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// it appears to be effective to retry again after waiting a bit.
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dispatch_async(dispatch_get_main_queue(), ^{
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[self ensureUI];
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});
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}
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cancel:^{
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OWSAssertIsOnMainThread();
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DDLogInfo(@"%@ unlock screen lock cancelled.", self.logTag);
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self.isShowingAuthUI = NO;
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[self ensureUI];
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}];
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[self ensureUI];
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}
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- (void)ensureUI
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{
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[self updateUIWithState:ScreenLockUIStateScreenLock isLogoAtTop:NO animated:NO];
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}
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- (void)showScreenLockFailureAlertWithMessage:(NSString *)message
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{
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OWSAssertIsOnMainThread();
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[OWSAlerts showAlertWithTitle:NSLocalizedString(@"SCREEN_LOCK_UNLOCK_FAILED",
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@"Title for alert indicating that screen lock could not be unlocked.")
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message:message
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buttonTitle:nil
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buttonAction:^(UIAlertAction *action) {
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// After the alert, update the UI.
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[self ensureUI];
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}
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fromViewController:self];
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}
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- (void)dismissPressed:(id)sender
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{
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DDLogDebug(@"%@ tapped dismiss share button", self.logTag);
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[self cancelShareExperience];
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}
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- (void)cancelShareExperience
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{
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[self.shareViewDelegate shareViewWasCancelled];
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}
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#pragma mark - ScreenLockViewDelegate
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- (void)unlockButtonWasTapped
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{
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OWSAssertIsOnMainThread();
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DDLogInfo(@"%@ unlockButtonWasTapped", self.logTag);
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[self tryToPresentAuthUIToUnlockScreenLock];
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}
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@end
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NS_ASSUME_NONNULL_END
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