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- //
- // IQKeyboardManager.m
- // https://github.com/hackiftekhar/IQKeyboardManager
- // Copyright (c) 2013-16 Iftekhar Qurashi.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy
- // of this software and associated documentation files (the "Software"), to deal
- // in the Software without restriction, including without limitation the rights
- // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the Software is
- // furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in
- // all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- // THE SOFTWARE.
- #import <QuartzCore/QuartzCore.h>
- #import <UIKit/UIKit.h>
- #import <objc/runtime.h>
- #import "IQKeyboardManager.h"
- #import "IQUIView+Hierarchy.h"
- #import "IQUIView+IQKeyboardToolbar.h"
- #import "IQNSArray+Sort.h"
- #import "IQKeyboardManagerConstantsInternal.h"
- #import "IQUIScrollView+Additions.h"
- #import "IQUITextFieldView+Additions.h"
- #import "IQUIViewController+Additions.h"
- #import "IQPreviousNextView.h"
- NSInteger const kIQDoneButtonToolbarTag = -1002;
- NSInteger const kIQPreviousNextButtonToolbarTag = -1005;
- #define kIQCGPointInvalid CGPointMake(CGFLOAT_MAX, CGFLOAT_MAX)
- typedef void (^SizeBlock)(CGSize size);
- @interface IQKeyboardManager()<UIGestureRecognizerDelegate>
- /*******************************************/
- /** used to adjust contentInset of UITextView. */
- @property(nonatomic, assign) UIEdgeInsets startingTextViewContentInsets;
- /** used to adjust scrollIndicatorInsets of UITextView. */
- @property(nonatomic, assign) UIEdgeInsets startingTextViewScrollIndicatorInsets;
- /** used with textView to detect a textFieldView contentInset is changed or not. (Bug ID: #92)*/
- @property(nonatomic, assign) BOOL isTextViewContentInsetChanged;
- /*******************************************/
- /** To save UITextField/UITextView object voa textField/textView notifications. */
- @property(nullable, nonatomic, weak) UIView *textFieldView;
- /** To save rootViewController.view.frame.origin. */
- @property(nonatomic, assign) CGPoint topViewBeginOrigin;
- /** To save rootViewController */
- @property(nullable, nonatomic, weak) UIViewController *rootViewController;
- /** To overcome with popGestureRecognizer issue Bug ID: #1361 */
- @property(nullable, nonatomic, weak) UIViewController *rootViewControllerWhilePopGestureRecognizerActive;
- @property(nonatomic, assign) CGPoint topViewBeginOriginWhilePopGestureRecognizerActive;
- /** To know if we have any pending request to adjust view position. */
- @property(nonatomic, assign) BOOL hasPendingAdjustRequest;
- /*******************************************/
- /** Variable to save lastScrollView that was scrolled. */
- @property(nullable, nonatomic, weak) UIScrollView *lastScrollView;
- /** LastScrollView's initial contentInsets. */
- @property(nonatomic, assign) UIEdgeInsets startingContentInsets;
- /** LastScrollView's initial scrollIndicatorInsets. */
- @property(nonatomic, assign) UIEdgeInsets startingScrollIndicatorInsets;
- /** LastScrollView's initial contentOffset. */
- @property(nonatomic, assign) CGPoint startingContentOffset;
- /*******************************************/
- /** To save keyboard animation duration. */
- @property(nonatomic, assign) CGFloat animationDuration;
- /** To mimic the keyboard animation */
- @property(nonatomic, assign) NSInteger animationCurve;
- /*******************************************/
- /** TapGesture to resign keyboard on view's touch. It's a readonly property and exposed only for adding/removing dependencies if your added gesture does have collision with this one */
- @property(nonnull, nonatomic, strong, readwrite) UITapGestureRecognizer *resignFirstResponderGesture;
- /**
- moved distance to the top used to maintain distance between keyboard and textField. Most of the time this will be a positive value.
- */
- @property(nonatomic, assign, readwrite) CGFloat movedDistance;
- /*******************************************/
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *disabledDistanceHandlingClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *enabledDistanceHandlingClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *disabledToolbarClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *enabledToolbarClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *toolbarPreviousNextAllowedClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *disabledTouchResignedClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *enabledTouchResignedClasses;
- @property(nonatomic, strong, nonnull, readwrite) NSMutableSet<Class> *touchResignedGestureIgnoreClasses;
- /*******************************************/
- @end
- @implementation IQKeyboardManager
- {
- @package
- /*******************************************/
-
- /** To save keyboardWillShowNotification. Needed for enable keyboard functionality. */
- NSNotification *_kbShowNotification;
-
- /** To save keyboard size. */
- CGRect _kbFrame;
- CGSize _keyboardLastNotifySize;
- NSMutableDictionary<id<NSCopying>, SizeBlock>* _keyboardSizeObservers;
- /*******************************************/
- }
- //UIKeyboard handling
- @synthesize enable = _enable;
- @synthesize keyboardDistanceFromTextField = _keyboardDistanceFromTextField;
- //Keyboard Appearance handling
- @synthesize overrideKeyboardAppearance = _overrideKeyboardAppearance;
- @synthesize keyboardAppearance = _keyboardAppearance;
- //IQToolbar handling
- @synthesize enableAutoToolbar = _enableAutoToolbar;
- @synthesize toolbarManageBehaviour = _toolbarManageBehaviour;
- @synthesize shouldToolbarUsesTextFieldTintColor = _shouldToolbarUsesTextFieldTintColor;
- @synthesize toolbarTintColor = _toolbarTintColor;
- @synthesize toolbarBarTintColor = _toolbarBarTintColor;
- @synthesize shouldShowToolbarPlaceholder = _shouldShowToolbarPlaceholder;
- @synthesize placeholderFont = _placeholderFont;
- @synthesize placeholderColor = _placeholderColor;
- @synthesize placeholderButtonColor = _placeholderButtonColor;
- //Resign handling
- @synthesize shouldResignOnTouchOutside = _shouldResignOnTouchOutside;
- @synthesize resignFirstResponderGesture = _resignFirstResponderGesture;
- //Sound handling
- @synthesize shouldPlayInputClicks = _shouldPlayInputClicks;
- //Animation handling
- @synthesize layoutIfNeededOnUpdate = _layoutIfNeededOnUpdate;
- #pragma mark - Initializing functions
- /**
- Override +load method to enable KeyboardManager when class loader load IQKeyboardManager. Enabling when app starts (No need to write any code)
-
- @Note: If you want to disable `+ (void)load` method, you can add build setting in configurations. Like that:
- `{ 'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) IQ_KEYBOARD_MANAGER_LOAD_METHOD_DISABLE=1' }`
- */
- #if !IQ_KEYBOARD_MANAGER_LOAD_METHOD_DISABLE
- +(void)load
- {
- //Enabling IQKeyboardManager. Loading asynchronous on main thread
- [self performSelectorOnMainThread:@selector(sharedManager) withObject:nil waitUntilDone:NO];
- }
- #endif
- /* Singleton Object Initialization. */
- -(instancetype)init
- {
- if (self = [super init])
- {
- __weak __typeof__(self) weakSelf = self;
-
- static dispatch_once_t onceToken;
- dispatch_once(&onceToken, ^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- [strongSelf registerAllNotifications];
- //Creating gesture for @shouldResignOnTouchOutside. (Enhancement ID: #14)
- strongSelf.resignFirstResponderGesture = [[UITapGestureRecognizer alloc] initWithTarget:strongSelf action:@selector(tapRecognized:)];
- strongSelf.resignFirstResponderGesture.cancelsTouchesInView = NO;
- [strongSelf.resignFirstResponderGesture setDelegate:strongSelf];
- strongSelf.resignFirstResponderGesture.enabled = strongSelf.shouldResignOnTouchOutside;
- strongSelf.topViewBeginOrigin = kIQCGPointInvalid;
- strongSelf.topViewBeginOriginWhilePopGestureRecognizerActive = kIQCGPointInvalid;
-
- //Setting it's initial values
- strongSelf.animationDuration = 0.25;
- strongSelf.animationCurve = UIViewAnimationCurveEaseInOut;
- [strongSelf setEnable:YES];
- [strongSelf setKeyboardDistanceFromTextField:10.0];
- [strongSelf setShouldPlayInputClicks:YES];
- [strongSelf setShouldResignOnTouchOutside:NO];
- [strongSelf setOverrideKeyboardAppearance:NO];
- [strongSelf setKeyboardAppearance:UIKeyboardAppearanceDefault];
- [strongSelf setEnableAutoToolbar:YES];
- [strongSelf setShouldShowToolbarPlaceholder:YES];
- [strongSelf setToolbarManageBehaviour:IQAutoToolbarBySubviews];
- [strongSelf setLayoutIfNeededOnUpdate:NO];
- [strongSelf setShouldToolbarUsesTextFieldTintColor:NO];
- //Loading IQToolbar, IQTitleBarButtonItem, IQBarButtonItem to fix first time keyboard appearance delay (Bug ID: #550)
- {
- //If you experience exception breakpoint issue at below line then try these solutions https://stackoverflow.com/questions/27375640/all-exception-break-point-is-stopping-for-no-reason-on-simulator
- UITextField *view = [[UITextField alloc] init];
- [view addDoneOnKeyboardWithTarget:nil action:nil];
- [view addPreviousNextDoneOnKeyboardWithTarget:nil previousAction:nil nextAction:nil doneAction:nil];
- }
- strongSelf->_keyboardSizeObservers = [[NSMutableDictionary alloc] init];
- //Initializing disabled classes Set.
- strongSelf.disabledDistanceHandlingClasses = [[NSMutableSet alloc] initWithObjects:[UITableViewController class],[UIAlertController class], nil];
- strongSelf.enabledDistanceHandlingClasses = [[NSMutableSet alloc] init];
-
- strongSelf.disabledToolbarClasses = [[NSMutableSet alloc] initWithObjects:[UIAlertController class], nil];
- strongSelf.enabledToolbarClasses = [[NSMutableSet alloc] init];
-
- strongSelf.toolbarPreviousNextAllowedClasses = [[NSMutableSet alloc] initWithObjects:[UITableView class],[UICollectionView class],[IQPreviousNextView class], nil];
-
- strongSelf.disabledTouchResignedClasses = [[NSMutableSet alloc] initWithObjects:[UIAlertController class], nil];
- strongSelf.enabledTouchResignedClasses = [[NSMutableSet alloc] init];
- strongSelf.touchResignedGestureIgnoreClasses = [[NSMutableSet alloc] initWithObjects:[UIControl class],[UINavigationBar class], nil];
- });
- }
- return self;
- }
- /* Automatically called from the `+(void)load` method. */
- + (IQKeyboardManager*)sharedManager
- {
- //Singleton instance
- static IQKeyboardManager *kbManager;
-
- static dispatch_once_t onceToken;
- dispatch_once(&onceToken, ^{
-
- kbManager = [[self alloc] init];
- });
-
- return kbManager;
- }
- #pragma mark - Dealloc
- -(void)dealloc
- {
- // Disable the keyboard manager.
- [self setEnable:NO];
-
- //Removing notification observers on dealloc.
- [[NSNotificationCenter defaultCenter] removeObserver:self];
- }
- #pragma mark - Property functions
- -(void)setEnable:(BOOL)enable
- {
- // If not enabled, enable it.
- if (enable == YES &&
- _enable == NO)
- {
- //Setting YES to _enable.
- _enable = enable;
-
- //If keyboard is currently showing. Sending a fake notification for keyboardWillShow to adjust view according to keyboard.
- if (_kbShowNotification) [self keyboardWillShow:_kbShowNotification];
- [self showLog:@"Enabled"];
- }
- //If not disable, desable it.
- else if (enable == NO &&
- _enable == YES)
- {
- //Sending a fake notification for keyboardWillHide to retain view's original position.
- [self keyboardWillHide:nil];
-
- //Setting NO to _enable.
- _enable = enable;
-
- [self showLog:@"Disabled"];
- }
- //If already disabled.
- else if (enable == NO &&
- _enable == NO)
- {
- [self showLog:@"Already Disabled"];
- }
- //If already enabled.
- else if (enable == YES &&
- _enable == YES)
- {
- [self showLog:@"Already Enabled"];
- }
- }
- -(BOOL)privateIsEnabled
- {
- BOOL enable = _enable;
-
- IQEnableMode enableMode = _textFieldView.enableMode;
- if (enableMode == IQEnableModeEnabled)
- {
- enable = YES;
- }
- else if (enableMode == IQEnableModeDisabled)
- {
- enable = NO;
- }
- else
- {
- __strong __typeof__(UIView) *strongTextFieldView = _textFieldView;
- UIViewController *textFieldViewController = [strongTextFieldView viewContainingController];
-
- if (textFieldViewController)
- {
- //If it is searchBar textField embedded in Navigation Bar
- if ([strongTextFieldView textFieldSearchBar] != nil && [textFieldViewController isKindOfClass:[UINavigationController class]]) {
-
- UINavigationController *navController = (UINavigationController*)textFieldViewController;
- if (navController.topViewController) {
- textFieldViewController = navController.topViewController;
- }
- }
- if (enable == NO)
- {
- //If viewController is kind of enable viewController class, then assuming it's enabled.
- for (Class enabledClass in _enabledDistanceHandlingClasses)
- {
- if ([textFieldViewController isKindOfClass:enabledClass])
- {
- enable = YES;
- break;
- }
- }
- }
-
- if (enable)
- {
- //If viewController is kind of disable viewController class, then assuming it's disable.
- for (Class disabledClass in _disabledDistanceHandlingClasses)
- {
- if ([textFieldViewController isKindOfClass:disabledClass])
- {
- enable = NO;
- break;
- }
- }
-
- //Special Controllers
- if (enable == YES)
- {
- NSString *classNameString = NSStringFromClass([textFieldViewController class]);
-
- //_UIAlertControllerTextFieldViewController
- if ([classNameString containsString:@"UIAlertController"] && [classNameString hasSuffix:@"TextFieldViewController"])
- {
- enable = NO;
- }
- }
- }
- }
- }
-
- return enable;
- }
- // Setting keyboard distance from text field.
- -(void)setKeyboardDistanceFromTextField:(CGFloat)keyboardDistanceFromTextField
- {
- //Can't be less than zero. Minimum is zero.
- _keyboardDistanceFromTextField = MAX(keyboardDistanceFromTextField, 0);
- [self showLog:[NSString stringWithFormat:@"keyboardDistanceFromTextField: %.2f",_keyboardDistanceFromTextField]];
- }
- /** Enabling/disable gesture on touching. */
- -(void)setShouldResignOnTouchOutside:(BOOL)shouldResignOnTouchOutside
- {
- [self showLog:[NSString stringWithFormat:@"shouldResignOnTouchOutside: %@",shouldResignOnTouchOutside?@"Yes":@"No"]];
-
- _shouldResignOnTouchOutside = shouldResignOnTouchOutside;
-
- //Enable/Disable gesture recognizer (Enhancement ID: #14)
- [_resignFirstResponderGesture setEnabled:[self privateShouldResignOnTouchOutside]];
- }
- -(BOOL)privateShouldResignOnTouchOutside
- {
- BOOL shouldResignOnTouchOutside = _shouldResignOnTouchOutside;
-
- __strong __typeof__(UIView) *strongTextFieldView = _textFieldView;
- IQEnableMode enableMode = strongTextFieldView.shouldResignOnTouchOutsideMode;
-
- if (enableMode == IQEnableModeEnabled)
- {
- shouldResignOnTouchOutside = YES;
- }
- else if (enableMode == IQEnableModeDisabled)
- {
- shouldResignOnTouchOutside = NO;
- }
- else
- {
- UIViewController *textFieldViewController = [strongTextFieldView viewContainingController];
-
- if (textFieldViewController)
- {
- //If it is searchBar textField embedded in Navigation Bar
- if ([strongTextFieldView textFieldSearchBar] != nil && [textFieldViewController isKindOfClass:[UINavigationController class]]) {
-
- UINavigationController *navController = (UINavigationController*)textFieldViewController;
- if (navController.topViewController) {
- textFieldViewController = navController.topViewController;
- }
- }
- if (shouldResignOnTouchOutside == NO)
- {
- //If viewController is kind of enable viewController class, then assuming shouldResignOnTouchOutside is enabled.
- for (Class enabledClass in _enabledTouchResignedClasses)
- {
- if ([textFieldViewController isKindOfClass:enabledClass])
- {
- shouldResignOnTouchOutside = YES;
- break;
- }
- }
- }
-
- if (shouldResignOnTouchOutside)
- {
- //If viewController is kind of disable viewController class, then assuming shouldResignOnTouchOutside is disable.
- for (Class disabledClass in _disabledTouchResignedClasses)
- {
- if ([textFieldViewController isKindOfClass:disabledClass])
- {
- shouldResignOnTouchOutside = NO;
- break;
- }
- }
-
- //Special Controllers
- if (shouldResignOnTouchOutside == YES)
- {
- NSString *classNameString = NSStringFromClass([textFieldViewController class]);
-
- //_UIAlertControllerTextFieldViewController
- if ([classNameString containsString:@"UIAlertController"] && [classNameString hasSuffix:@"TextFieldViewController"])
- {
- shouldResignOnTouchOutside = NO;
- }
- }
- }
- }
- }
-
- return shouldResignOnTouchOutside;
- }
- /** Setter of movedDistance property. */
- -(void)setMovedDistance:(CGFloat)movedDistance
- {
- _movedDistance = movedDistance;
- if (self.movedDistanceChanged != nil) {
- self.movedDistanceChanged(movedDistance);
- }
- }
- /** Enable/disable autotoolbar. Adding and removing toolbar if required. */
- -(void)setEnableAutoToolbar:(BOOL)enableAutoToolbar
- {
- _enableAutoToolbar = enableAutoToolbar;
-
- [self showLog:[NSString stringWithFormat:@"enableAutoToolbar: %@",enableAutoToolbar?@"Yes":@"No"]];
- //If enabled then adding toolbar.
- if ([self privateIsEnableAutoToolbar] == YES)
- {
- [self addToolbarIfRequired];
- }
- //Else removing toolbar.
- else
- {
- [self removeToolbarIfRequired];
- }
- }
- -(BOOL)privateIsEnableAutoToolbar
- {
- BOOL enableAutoToolbar = _enableAutoToolbar;
-
- __strong __typeof__(UIView) *strongTextFieldView = _textFieldView;
- UIViewController *textFieldViewController = [strongTextFieldView viewContainingController];
-
- if (textFieldViewController)
- {
- //If it is searchBar textField embedded in Navigation Bar
- if ([strongTextFieldView textFieldSearchBar] != nil && [textFieldViewController isKindOfClass:[UINavigationController class]]) {
-
- UINavigationController *navController = (UINavigationController*)textFieldViewController;
- if (navController.topViewController) {
- textFieldViewController = navController.topViewController;
- }
- }
- if (enableAutoToolbar == NO)
- {
- //If found any toolbar enabled classes then return.
- for (Class enabledToolbarClass in _enabledToolbarClasses)
- {
- if ([textFieldViewController isKindOfClass:enabledToolbarClass])
- {
- enableAutoToolbar = YES;
- break;
- }
- }
- }
-
- if (enableAutoToolbar)
- {
- //If found any toolbar disabled classes then return.
- for (Class disabledToolbarClass in _disabledToolbarClasses)
- {
- if ([textFieldViewController isKindOfClass:disabledToolbarClass])
- {
- enableAutoToolbar = NO;
- break;
- }
- }
-
-
- //Special Controllers
- if (enableAutoToolbar == YES)
- {
- NSString *classNameString = NSStringFromClass([textFieldViewController class]);
-
- //_UIAlertControllerTextFieldViewController
- if ([classNameString containsString:@"UIAlertController"] && [classNameString hasSuffix:@"TextFieldViewController"])
- {
- enableAutoToolbar = NO;
- }
- }
- }
- }
-
- return enableAutoToolbar;
- }
- #pragma mark - Private Methods
- /** Getting keyWindow. */
- -(UIWindow *)keyWindow
- {
- UIView *textFieldView = _textFieldView;
- if (textFieldView.window)
- {
- return textFieldView.window;
- }
- else
- {
- static __weak UIWindow *cachedKeyWindow = nil;
-
- /* (Bug ID: #23, #25, #73) */
- UIWindow *originalKeyWindow = nil;
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 13.0, *)) {
- NSSet<UIScene *> *connectedScenes = [UIApplication sharedApplication].connectedScenes;
- for (UIScene *scene in connectedScenes) {
- if (scene.activationState == UISceneActivationStateForegroundActive && [scene isKindOfClass:[UIWindowScene class]]) {
- UIWindowScene *windowScene = (UIWindowScene *)scene;
- for (UIWindow *window in windowScene.windows) {
- if (window.isKeyWindow) {
- originalKeyWindow = window;
- break;
- }
- }
- }
- }
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- originalKeyWindow = [UIApplication sharedApplication].keyWindow;
- #endif
- }
- //If original key window is not nil and the cached keywindow is also not original keywindow then changing keywindow.
- if (originalKeyWindow)
- {
- cachedKeyWindow = originalKeyWindow;
- }
- __strong UIWindow *strongCachedKeyWindow = cachedKeyWindow;
- return strongCachedKeyWindow;
- }
- }
- -(void)optimizedAdjustPosition
- {
- if (_hasPendingAdjustRequest == NO)
- {
- _hasPendingAdjustRequest = YES;
-
- __weak __typeof__(self) weakSelf = self;
- [[NSOperationQueue mainQueue] addOperationWithBlock:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
- [strongSelf adjustPosition];
- strongSelf.hasPendingAdjustRequest = NO;
- }];
- }
- }
- /* Adjusting RootViewController's frame according to interface orientation. */
- -(void)adjustPosition
- {
- UIView *textFieldView = _textFieldView;
- // Getting RootViewController. (Bug ID: #1, #4)
- UIViewController *rootController = _rootViewController;
-
- // Getting KeyWindow object.
- UIWindow *keyWindow = [self keyWindow];
-
- // We are unable to get textField object while keyboard showing on WKWebView's textField. (Bug ID: #11)
- if (_hasPendingAdjustRequest == NO ||
- textFieldView == nil ||
- rootController == nil ||
- keyWindow == nil)
- return;
-
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- // Converting Rectangle according to window bounds.
- CGRect textFieldViewRectInWindow = [[textFieldView superview] convertRect:textFieldView.frame toView:keyWindow];
- CGRect textFieldViewRectInRootSuperview = [[textFieldView superview] convertRect:textFieldView.frame toView:rootController.view.superview];
- // Getting RootView origin.
- CGPoint rootViewOrigin = rootController.view.frame.origin;
- //Maintain keyboardDistanceFromTextField
- CGFloat specialKeyboardDistanceFromTextField = textFieldView.keyboardDistanceFromTextField;
- {
- UISearchBar *searchBar = textFieldView.textFieldSearchBar;
-
- if (searchBar)
- {
- specialKeyboardDistanceFromTextField = searchBar.keyboardDistanceFromTextField;
- }
- }
-
- CGFloat keyboardDistanceFromTextField = (specialKeyboardDistanceFromTextField == kIQUseDefaultKeyboardDistance)?_keyboardDistanceFromTextField:specialKeyboardDistanceFromTextField;
- CGSize kbSize;
-
- {
- CGRect kbFrame = _kbFrame;
-
- kbFrame.origin.y -= keyboardDistanceFromTextField;
- kbFrame.size.height += keyboardDistanceFromTextField;
-
- //Calculating actual keyboard displayed size, keyboard frame may be different when hardware keyboard is attached (Bug ID: #469) (Bug ID: #381) (Bug ID: #1506)
- CGRect intersectRect = CGRectIntersection(kbFrame, keyWindow.frame);
-
- if (CGRectIsNull(intersectRect))
- {
- kbSize = CGSizeMake(kbFrame.size.width, 0);
- }
- else
- {
- kbSize = intersectRect.size;
- }
- }
- CGFloat navigationBarAreaHeight = 0;
- if (rootController.navigationController != nil) {
- navigationBarAreaHeight = CGRectGetMaxY(rootController.navigationController.navigationBar.frame);
- } else {
- CGFloat statusBarHeight = 0;
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 13.0, *)) {
- statusBarHeight = [self keyWindow].windowScene.statusBarManager.statusBarFrame.size.height;
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- statusBarHeight = [[UIApplication sharedApplication] statusBarFrame].size.height;
- #endif
- }
- navigationBarAreaHeight = statusBarHeight;
- }
- CGFloat layoutAreaHeight = rootController.view.layoutMargins.top;
-
- CGFloat topLayoutGuide = MAX(navigationBarAreaHeight, layoutAreaHeight) + 5;
- CGFloat bottomLayoutGuide = ([textFieldView respondsToSelector:@selector(isEditable)] && [textFieldView isKindOfClass:[UIScrollView class]]) ? 0 : rootController.view.layoutMargins.bottom; //Validation of textView for case where there is a tab bar at the bottom or running on iPhone X and textView is at the bottom.
- // +Move positive = textField is hidden.
- // -Move negative = textField is showing.
- // Calculating move position. Common for both normal and special cases.
- CGFloat move = MIN(CGRectGetMinY(textFieldViewRectInRootSuperview)-topLayoutGuide, CGRectGetMaxY(textFieldViewRectInWindow)-(CGRectGetHeight(keyWindow.frame)-kbSize.height)+bottomLayoutGuide);
- [self showLog:[NSString stringWithFormat:@"Need to move: %.2f",move]];
- UIScrollView *superScrollView = nil;
- UIScrollView *superView = (UIScrollView*)[textFieldView superviewOfClassType:[UIScrollView class]];
- //Getting UIScrollView whose scrolling is enabled. // (Bug ID: #285)
- while (superView)
- {
- if (superView.isScrollEnabled && superView.shouldIgnoreScrollingAdjustment == NO)
- {
- superScrollView = superView;
- break;
- }
- else
- {
- // Getting it's superScrollView. // (Enhancement ID: #21, #24)
- superView = (UIScrollView*)[superView superviewOfClassType:[UIScrollView class]];
- }
- }
-
- __strong __typeof__(UIScrollView) *strongLastScrollView = _lastScrollView;
- //If there was a lastScrollView. // (Bug ID: #34)
- if (strongLastScrollView)
- {
- //If we can't find current superScrollView, then setting lastScrollView to it's original form.
- if (superScrollView == nil)
- {
- if (UIEdgeInsetsEqualToEdgeInsets(strongLastScrollView.contentInset, _startingContentInsets) == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Restoring ScrollView contentInset to : %@",NSStringFromUIEdgeInsets(_startingContentInsets)]];
-
- __weak __typeof__(self) weakSelf = self;
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- [strongLastScrollView setContentInset:strongSelf.startingContentInsets];
- strongLastScrollView.scrollIndicatorInsets = strongSelf.startingScrollIndicatorInsets;
- } completion:NULL];
- }
-
- if (strongLastScrollView.shouldRestoreScrollViewContentOffset && CGPointEqualToPoint(strongLastScrollView.contentOffset, _startingContentOffset) == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Restoring ScrollView contentOffset to : %@",NSStringFromCGPoint(_startingContentOffset)]];
-
- BOOL animatedContentOffset = ([textFieldView superviewOfClassType:[UIStackView class] belowView:strongLastScrollView] != nil); // (Bug ID: #1365, #1508, #1541)
- if (animatedContentOffset) {
- [strongLastScrollView setContentOffset:_startingContentOffset animated:UIView.areAnimationsEnabled];
- } else {
- strongLastScrollView.contentOffset = _startingContentOffset;
- }
- }
- _startingContentInsets = UIEdgeInsetsZero;
- _startingScrollIndicatorInsets = UIEdgeInsetsZero;
- _startingContentOffset = CGPointZero;
- _lastScrollView = nil;
- strongLastScrollView = _lastScrollView;
- }
- //If both scrollView's are different, then reset lastScrollView to it's original frame and setting current scrollView as last scrollView.
- else if (superScrollView != strongLastScrollView)
- {
- if (UIEdgeInsetsEqualToEdgeInsets(strongLastScrollView.contentInset, _startingContentInsets) == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Restoring ScrollView contentInset to : %@",NSStringFromUIEdgeInsets(_startingContentInsets)]];
- __weak __typeof__(self) weakSelf = self;
-
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- [strongLastScrollView setContentInset:strongSelf.startingContentInsets];
- strongLastScrollView.scrollIndicatorInsets = strongSelf.startingScrollIndicatorInsets;
- } completion:NULL];
- }
- if (strongLastScrollView.shouldRestoreScrollViewContentOffset && CGPointEqualToPoint(strongLastScrollView.contentOffset, _startingContentOffset) == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Restoring ScrollView contentOffset to : %@",NSStringFromCGPoint(_startingContentOffset)]];
- BOOL animatedContentOffset = ([textFieldView superviewOfClassType:[UIStackView class] belowView:strongLastScrollView] != nil); // (Bug ID: #1365, #1508, #1541)
- if (animatedContentOffset) {
- [strongLastScrollView setContentOffset:_startingContentOffset animated:UIView.areAnimationsEnabled];
- } else {
- strongLastScrollView.contentOffset = _startingContentOffset;
- }
- }
-
- _lastScrollView = superScrollView;
- strongLastScrollView = _lastScrollView;
- _startingContentInsets = superScrollView.contentInset;
- _startingContentOffset = superScrollView.contentOffset;
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 11.1, *)) {
- _startingScrollIndicatorInsets = superScrollView.verticalScrollIndicatorInsets;
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- _startingScrollIndicatorInsets = superScrollView.scrollIndicatorInsets;
- #endif
- }
- [self showLog:[NSString stringWithFormat:@"Saving New contentInset: %@ and contentOffset : %@",NSStringFromUIEdgeInsets(_startingContentInsets),NSStringFromCGPoint(_startingContentOffset)]];
- }
- //Else the case where superScrollView == lastScrollView means we are on same scrollView after switching to different textField. So doing nothing
- }
- //If there was no lastScrollView and we found a current scrollView. then setting it as lastScrollView.
- else if(superScrollView)
- {
- _lastScrollView = superScrollView;
- strongLastScrollView = _lastScrollView;
- _startingContentInsets = superScrollView.contentInset;
- _startingContentOffset = superScrollView.contentOffset;
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 11.1, *)) {
- _startingScrollIndicatorInsets = superScrollView.verticalScrollIndicatorInsets;
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- _startingScrollIndicatorInsets = superScrollView.scrollIndicatorInsets;
- #endif
- }
- [self showLog:[NSString stringWithFormat:@"Saving contentInset: %@ and contentOffset : %@",NSStringFromUIEdgeInsets(_startingContentInsets),NSStringFromCGPoint(_startingContentOffset)]];
- }
-
- // Special case for ScrollView.
- {
- // If we found lastScrollView then setting it's contentOffset to show textField.
- if (strongLastScrollView)
- {
- //Saving
- UIView *lastView = textFieldView;
- superScrollView = strongLastScrollView;
- //Looping in upper hierarchy until we don't found any scrollView in it's upper hirarchy till UIWindow object.
- while (superScrollView)
- {
- BOOL shouldContinue = NO;
-
- if (move > 0)
- {
- shouldContinue = move > (-superScrollView.contentOffset.y-superScrollView.contentInset.top);
- }
- else
- {
- //Special treatment for UITableView due to their cell reusing logic
- if ([superScrollView isKindOfClass:[UITableView class]])
- {
- shouldContinue = superScrollView.contentOffset.y>0;
- UITableView *tableView = (UITableView*)superScrollView;
- UITableViewCell *tableCell = nil;
- NSIndexPath *indexPath = nil;
- NSIndexPath *previousIndexPath = nil;
- if (shouldContinue &&
- (tableCell = (UITableViewCell*)[textFieldView superviewOfClassType:[UITableViewCell class]]) &&
- (indexPath = [tableView indexPathForCell:tableCell]) &&
- (previousIndexPath = [tableView previousIndexPathOfIndexPath:indexPath]))
- {
- CGRect previousCellRect = [tableView rectForRowAtIndexPath:previousIndexPath];
- if (CGRectIsEmpty(previousCellRect) == NO)
- {
- CGRect previousCellRectInRootSuperview = [tableView convertRect:previousCellRect toView:rootController.view.superview];
- move = MIN(0, CGRectGetMaxY(previousCellRectInRootSuperview) - topLayoutGuide);
- }
- }
- }
- //Special treatment for UICollectionView due to their cell reusing logic
- else if ([superScrollView isKindOfClass:[UICollectionView class]])
- {
- shouldContinue = superScrollView.contentOffset.y>0;
-
- UICollectionView *collectionView = (UICollectionView*)superScrollView;
- UICollectionViewCell *collectionCell = nil;
- NSIndexPath *indexPath = nil;
- NSIndexPath *previousIndexPath = nil;
- if (shouldContinue &&
- (collectionCell = (UICollectionViewCell*)[textFieldView superviewOfClassType:[UICollectionViewCell class]]) &&
- (indexPath = [collectionView indexPathForCell:collectionCell]) &&
- (previousIndexPath = [collectionView previousIndexPathOfIndexPath:indexPath]))
- {
- UICollectionViewLayoutAttributes *attributes = [collectionView layoutAttributesForItemAtIndexPath:previousIndexPath];
-
- CGRect previousCellRect = attributes.frame;
- if (CGRectIsEmpty(previousCellRect) == NO)
- {
- CGRect previousCellRectInRootSuperview = [collectionView convertRect:previousCellRect toView:rootController.view.superview];
- move = MIN(0, CGRectGetMaxY(previousCellRectInRootSuperview) - topLayoutGuide);
- }
- }
- }
- else
- {
- //If the textField is hidden at the top
- shouldContinue = textFieldViewRectInRootSuperview.origin.y < topLayoutGuide;
-
- if (shouldContinue) {
- move = MIN(0, textFieldViewRectInRootSuperview.origin.y - topLayoutGuide);
- }
- }
- }
-
- if (shouldContinue == NO)
- {
- move = 0;
- break;
- }
- UIScrollView *nextScrollView = nil;
- UIScrollView *tempScrollView = (UIScrollView*)[superScrollView superviewOfClassType:[UIScrollView class]];
-
- //Getting UIScrollView whose scrolling is enabled. // (Bug ID: #285)
- while (tempScrollView)
- {
- if (tempScrollView.isScrollEnabled && tempScrollView.shouldIgnoreScrollingAdjustment == NO)
- {
- nextScrollView = tempScrollView;
- break;
- }
- else
- {
- // Getting it's superScrollView. // (Enhancement ID: #21, #24)
- tempScrollView = (UIScrollView*)[tempScrollView superviewOfClassType:[UIScrollView class]];
- }
- }
- //Getting lastViewRect.
- CGRect lastViewRect = [[lastView superview] convertRect:lastView.frame toView:superScrollView];
-
- //Calculating the expected Y offset from move and scrollView's contentOffset.
- CGFloat shouldOffsetY = superScrollView.contentOffset.y - MIN(superScrollView.contentOffset.y,-move);
-
- //Rearranging the expected Y offset according to the view.
- shouldOffsetY = MIN(shouldOffsetY, lastViewRect.origin.y);
-
- //[textFieldView isKindOfClass:[UITextView class]] If is a UITextView type
- //[superScrollView superviewOfClassType:[UIScrollView class]] == nil If processing scrollView is last scrollView in upper hierarchy (there is no other scrollView upper hierarchy.)
- //shouldOffsetY >= 0 shouldOffsetY must be greater than in order to keep distance from navigationBar (Bug ID: #92)
- if ([textFieldView respondsToSelector:@selector(isEditable)] && [textFieldView isKindOfClass:[UIScrollView class]] &&
- nextScrollView == nil &&
- (shouldOffsetY >= 0))
- {
- // Converting Rectangle according to window bounds.
- CGRect currentTextFieldViewRect = [[textFieldView superview] convertRect:textFieldView.frame toView:keyWindow];
-
- //Calculating expected fix distance which needs to be managed from navigation bar
- CGFloat expectedFixDistance = CGRectGetMinY(currentTextFieldViewRect) - topLayoutGuide;
-
- //Now if expectedOffsetY (superScrollView.contentOffset.y + expectedFixDistance) is lower than current shouldOffsetY, which means we're in a position where navigationBar up and hide, then reducing shouldOffsetY with expectedOffsetY (superScrollView.contentOffset.y + expectedFixDistance)
- shouldOffsetY = MIN(shouldOffsetY, superScrollView.contentOffset.y + expectedFixDistance);
-
- //Setting move to 0 because now we don't want to move any view anymore (All will be managed by our contentInset logic.
- move = 0;
- }
- else
- {
- //Subtracting the Y offset from the move variable, because we are going to change scrollView's contentOffset.y to shouldOffsetY.
- move -= (shouldOffsetY-superScrollView.contentOffset.y);
- }
-
- CGPoint newContentOffset = CGPointMake(superScrollView.contentOffset.x, shouldOffsetY);
-
- if (CGPointEqualToPoint(superScrollView.contentOffset, newContentOffset) == NO)
- {
- __weak __typeof__(self) weakSelf = self;
- //Getting problem while using `setContentOffset:animated:`, So I used animation API.
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
- [strongSelf showLog:[NSString stringWithFormat:@"Adjusting %.2f to %@ ContentOffset",(superScrollView.contentOffset.y-shouldOffsetY),[superScrollView _IQDescription]]];
- [strongSelf showLog:[NSString stringWithFormat:@"Remaining Move: %.2f",move]];
-
- BOOL animatedContentOffset = ([textFieldView superviewOfClassType:[UIStackView class] belowView:superScrollView] != nil); // (Bug ID: #1365, #1508, #1541)
- if (animatedContentOffset) {
- [superScrollView setContentOffset:newContentOffset animated:UIView.areAnimationsEnabled];
- } else {
- superScrollView.contentOffset = newContentOffset;
- }
- } completion:^(BOOL finished){
-
- __strong __typeof__(self) strongSelf = weakSelf;
- if ([superScrollView isKindOfClass:[UITableView class]] || [superScrollView isKindOfClass:[UICollectionView class]])
- {
- //This will update the next/previous states
- [strongSelf addToolbarIfRequired];
- }
- }];
- }
- // Getting next lastView & superScrollView.
- lastView = superScrollView;
- superScrollView = nextScrollView;
- }
-
- //Updating contentInset
- if (strongLastScrollView.shouldIgnoreContentInsetAdjustment == NO)
- {
- CGRect lastScrollViewRect = [[strongLastScrollView superview] convertRect:strongLastScrollView.frame toView:keyWindow];
- CGFloat bottomInset = (kbSize.height)-(CGRectGetHeight(keyWindow.frame)-CGRectGetMaxY(lastScrollViewRect));
- CGFloat bottomScrollIndicatorInset = bottomInset - keyboardDistanceFromTextField;
- // Update the insets so that the scroll vew doesn't shift incorrectly when the offset is near the bottom of the scroll view.
- bottomInset = MAX(_startingContentInsets.bottom, bottomInset);
- bottomScrollIndicatorInset = MAX(_startingScrollIndicatorInsets.bottom, bottomScrollIndicatorInset);
- if (@available(iOS 11, *)) {
- bottomInset -= strongLastScrollView.safeAreaInsets.bottom;
- bottomScrollIndicatorInset -= strongLastScrollView.safeAreaInsets.bottom;
- }
- UIEdgeInsets movedInsets = strongLastScrollView.contentInset;
- movedInsets.bottom = bottomInset;
- if (UIEdgeInsetsEqualToEdgeInsets(strongLastScrollView.contentInset, movedInsets) == NO)
- {
- [self showLog:[NSString stringWithFormat:@"old ContentInset : %@ new ContentInset : %@", NSStringFromUIEdgeInsets(strongLastScrollView.contentInset), NSStringFromUIEdgeInsets(movedInsets)]];
-
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- strongLastScrollView.contentInset = movedInsets;
- UIEdgeInsets newScrollIndicatorInset;
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 11.1, *)) {
- newScrollIndicatorInset = strongLastScrollView.verticalScrollIndicatorInsets;
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- newScrollIndicatorInset = strongLastScrollView.scrollIndicatorInsets;
- #endif
- }
- newScrollIndicatorInset.bottom = bottomScrollIndicatorInset;
- strongLastScrollView.scrollIndicatorInsets = newScrollIndicatorInset;
-
- } completion:NULL];
- }
- }
- }
- //Going ahead. No else if.
- }
-
- {
- //Special case for UITextView(Readjusting textView.contentInset when textView hight is too big to fit on screen)
- //_lastScrollView If not having inside any scrollView, (now contentInset manages the full screen textView.
- //[textFieldView isKindOfClass:[UITextView class]] If is a UITextView type
- if ([textFieldView isKindOfClass:[UIScrollView class]] && [(UIScrollView*)textFieldView isScrollEnabled] && [textFieldView respondsToSelector:@selector(isEditable)])
- {
- UIScrollView *textView = (UIScrollView*)textFieldView;
- CGFloat keyboardYPosition = CGRectGetHeight(keyWindow.frame)-(kbSize.height-keyboardDistanceFromTextField);
- CGRect rootSuperViewFrameInWindow = [rootController.view.superview convertRect:rootController.view.superview.bounds toView:keyWindow];
- CGFloat keyboardOverlapping = CGRectGetMaxY(rootSuperViewFrameInWindow) - keyboardYPosition;
- CGFloat textViewHeight = MIN(CGRectGetHeight(textFieldView.frame), (CGRectGetHeight(rootSuperViewFrameInWindow)-topLayoutGuide-keyboardOverlapping));
-
- if (textFieldView.frame.size.height-textView.contentInset.bottom>textViewHeight)
- {
- //_isTextViewContentInsetChanged, If frame is not change by library in past, then saving user textView properties (Bug ID: #92)
- if (self.isTextViewContentInsetChanged == NO)
- {
- self.startingTextViewContentInsets = textView.contentInset;
-
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 11.1, *)) {
- self.startingTextViewScrollIndicatorInsets = textView.verticalScrollIndicatorInsets;
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- self.startingTextViewScrollIndicatorInsets = textView.scrollIndicatorInsets;
- #endif
- }
- }
- CGFloat bottomInset = textFieldView.frame.size.height-textViewHeight;
- if (@available(iOS 11, *)) {
- bottomInset -= textFieldView.safeAreaInsets.bottom;
- }
- UIEdgeInsets newContentInset = textView.contentInset;
- newContentInset.bottom = bottomInset;
- self.isTextViewContentInsetChanged = YES;
- if (UIEdgeInsetsEqualToEdgeInsets(textView.contentInset, newContentInset) == NO)
- {
- __weak __typeof__(self) weakSelf = self;
-
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- [strongSelf showLog:[NSString stringWithFormat:@"Old UITextView.contentInset : %@ New UITextView.contentInset : %@", NSStringFromUIEdgeInsets(textView.contentInset), NSStringFromUIEdgeInsets(textView.contentInset)]];
-
- textView.contentInset = newContentInset;
- textView.scrollIndicatorInsets = newContentInset;
- } completion:NULL];
- }
- }
- }
- {
- __weak __typeof__(self) weakSelf = self;
- // +Positive or zero.
- if (move>=0)
- {
- rootViewOrigin.y -= move;
-
- // From now prevent keyboard manager to slide up the rootView to more than keyboard height. (Bug ID: #93)
- rootViewOrigin.y = MAX(rootViewOrigin.y, MIN(0, -(kbSize.height-keyboardDistanceFromTextField)));
- [self showLog:@"Moving Upward"];
- // Setting adjusted rootViewOrigin.ty
-
- //Used UIViewAnimationOptionBeginFromCurrentState to minimize strange animations.
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- // Setting it's new frame
- CGRect rect = rootController.view.frame;
- rect.origin = rootViewOrigin;
- rootController.view.frame = rect;
-
- //Animating content if needed (Bug ID: #204)
- if (strongSelf.layoutIfNeededOnUpdate)
- {
- //Animating content (Bug ID: #160)
- [rootController.view setNeedsLayout];
- [rootController.view layoutIfNeeded];
- }
-
- [strongSelf showLog:[NSString stringWithFormat:@"Set %@ origin to : %@",rootController,NSStringFromCGPoint(rootViewOrigin)]];
- } completion:NULL];
- self.movedDistance = (_topViewBeginOrigin.y-rootViewOrigin.y);
- }
- // -Negative
- else
- {
- CGFloat disturbDistance = rootController.view.frame.origin.y-_topViewBeginOrigin.y;
-
- // disturbDistance Negative = frame disturbed. Pull Request #3
- // disturbDistance positive = frame not disturbed.
- if(disturbDistance<=0)
- {
- rootViewOrigin.y -= MAX(move, disturbDistance);
-
- [self showLog:@"Moving Downward"];
- // Setting adjusted rootViewRect
-
- //Used UIViewAnimationOptionBeginFromCurrentState to minimize strange animations.
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- // Setting it's new frame
- CGRect rect = rootController.view.frame;
- rect.origin = rootViewOrigin;
- rootController.view.frame = rect;
-
- //Animating content if needed (Bug ID: #204)
- if (strongSelf.layoutIfNeededOnUpdate)
- {
- //Animating content (Bug ID: #160)
- [rootController.view setNeedsLayout];
- [rootController.view layoutIfNeeded];
- }
-
- [strongSelf showLog:[NSString stringWithFormat:@"Set %@ origin to : %@",rootController,NSStringFromCGPoint(rootViewOrigin)]];
- } completion:NULL];
- self.movedDistance = (_topViewBeginOrigin.y-rootController.view.frame.origin.y);
- }
- }
- }
- }
-
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- -(void)restorePosition
- {
- _hasPendingAdjustRequest = NO;
- // Setting rootViewController frame to it's original position. // (Bug ID: #18)
- if (_rootViewController && CGPointEqualToPoint(_topViewBeginOrigin, kIQCGPointInvalid) == false)
- {
- __weak __typeof__(self) weakSelf = self;
-
- //Used UIViewAnimationOptionBeginFromCurrentState to minimize strange animations.
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
- UIViewController *strongRootController = strongSelf.rootViewController;
-
- {
- [strongSelf showLog:[NSString stringWithFormat:@"Restoring %@ origin to : %@",strongRootController,NSStringFromCGPoint(strongSelf.topViewBeginOrigin)]];
-
- //Restoring
- CGRect rect = strongRootController.view.frame;
- rect.origin = strongSelf.topViewBeginOrigin;
- strongRootController.view.frame = rect;
- strongSelf.movedDistance = 0;
-
- if (strongRootController.navigationController.interactivePopGestureRecognizer.state == UIGestureRecognizerStateBegan) {
- strongSelf.rootViewControllerWhilePopGestureRecognizerActive = strongRootController;
- strongSelf.topViewBeginOriginWhilePopGestureRecognizerActive = strongSelf.topViewBeginOrigin;
- }
-
- //Animating content if needed (Bug ID: #204)
- if (strongSelf.layoutIfNeededOnUpdate)
- {
- //Animating content (Bug ID: #160)
- [strongRootController.view setNeedsLayout];
- [strongRootController.view layoutIfNeeded];
- }
- }
-
- } completion:NULL];
- _rootViewController = nil;
- }
- }
- #pragma mark - Public Methods
- /* Refreshes textField/textView position if any external changes is explicitly made by user. */
- - (void)reloadLayoutIfNeeded
- {
- if ([self privateIsEnabled] == YES)
- {
- UIView *textFieldView = _textFieldView;
-
- if (textFieldView &&
- _keyboardShowing == YES &&
- CGPointEqualToPoint(_topViewBeginOrigin, kIQCGPointInvalid) == false &&
- [textFieldView isAlertViewTextField] == NO)
- {
- [self optimizedAdjustPosition];
- }
- }
- }
- #pragma mark - UIKeyboad Notification methods
- /* UIKeyboardWillShowNotification. */
- -(void)keyboardWillShow:(NSNotification*)aNotification
- {
- _kbShowNotification = aNotification;
-
- // Boolean to know keyboard is showing/hiding
- _keyboardShowing = YES;
-
- // Getting keyboard animation.
- NSInteger curve = [[aNotification userInfo][UIKeyboardAnimationCurveUserInfoKey] integerValue];
- _animationCurve = curve<<16;
- // Getting keyboard animation duration
- CGFloat duration = [[aNotification userInfo][UIKeyboardAnimationDurationUserInfoKey] floatValue];
-
- //Saving animation duration
- if (duration != 0.0) _animationDuration = duration;
-
- CGRect oldKBFrame = _kbFrame;
-
- // Getting UIKeyboardSize.
- _kbFrame = [[aNotification userInfo][UIKeyboardFrameEndUserInfoKey] CGRectValue];
- [self notifyKeyboardSize:_kbFrame.size];
- if ([self privateIsEnabled] == NO)
- {
- [self restorePosition];
- _topViewBeginOrigin = kIQCGPointInvalid;
- return;
- }
-
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- UIView *textFieldView = _textFieldView;
- if (textFieldView && CGPointEqualToPoint(_topViewBeginOrigin, kIQCGPointInvalid)) // (Bug ID: #5)
- {
- // keyboard is not showing(At the beginning only). We should save rootViewRect.
- UIViewController *rootController = [textFieldView parentContainerViewController];
- _rootViewController = rootController;
-
- if (_rootViewControllerWhilePopGestureRecognizerActive == rootController)
- {
- _topViewBeginOrigin = _topViewBeginOriginWhilePopGestureRecognizerActive;
- }
- else
- {
- _topViewBeginOrigin = rootController.view.frame.origin;
- }
-
- _rootViewControllerWhilePopGestureRecognizerActive = nil;
- _topViewBeginOriginWhilePopGestureRecognizerActive = kIQCGPointInvalid;
-
- [self showLog:[NSString stringWithFormat:@"Saving %@ beginning origin: %@",rootController,NSStringFromCGPoint(_topViewBeginOrigin)]];
- }
- //If last restored keyboard size is different(any orientation accure), then refresh. otherwise not.
- if (!CGRectEqualToRect(_kbFrame, oldKBFrame))
- {
- //If _textFieldView is inside AlertView then do nothing. (Bug ID: #37, #74, #76)
- //See notes:- https://developer.apple.com/library/ios/documentation/StringsTextFonts/Conceptual/TextAndWebiPhoneOS/KeyboardManagement/KeyboardManagement.html If it is AlertView textField then do not affect anything (Bug ID: #70).
- if (_keyboardShowing == YES &&
- textFieldView &&
- [textFieldView isAlertViewTextField] == NO)
- {
- [self optimizedAdjustPosition];
- }
- }
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- /* UIKeyboardDidShowNotification. */
- - (void)keyboardDidShow:(NSNotification*)aNotification
- {
- if ([self privateIsEnabled] == NO) return;
-
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- [self showLog:[NSString stringWithFormat:@"Notification Object: %@", aNotification.object]];
- UIView *textFieldView = _textFieldView;
- // Getting topMost ViewController.
- UIViewController *controller = [textFieldView topMostController];
- //If _textFieldView viewController is presented as formSheet, then adjustPosition again because iOS internally update formSheet frame on keyboardShown. (Bug ID: #37, #74, #76)
- if (_keyboardShowing == YES &&
- textFieldView &&
- (controller.modalPresentationStyle == UIModalPresentationFormSheet || controller.modalPresentationStyle == UIModalPresentationPageSheet) &&
- [textFieldView isAlertViewTextField] == NO)
- {
- [self optimizedAdjustPosition];
- }
-
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- /* UIKeyboardWillHideNotification. So setting rootViewController to it's default frame. */
- - (void)keyboardWillHide:(NSNotification*)aNotification
- {
- //If it's not a fake notification generated by [self setEnable:NO].
- if (aNotification) _kbShowNotification = nil;
-
- // Boolean to know keyboard is showing/hiding
- _keyboardShowing = NO;
-
- // Getting keyboard animation duration
- CGFloat aDuration = [[aNotification userInfo][UIKeyboardAnimationDurationUserInfoKey] floatValue];
- if (aDuration!= 0.0f)
- {
- _animationDuration = aDuration;
- }
-
- //If not enabled then do nothing.
- if ([self privateIsEnabled] == NO) return;
-
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- [self showLog:[NSString stringWithFormat:@"Notification Object: %@", aNotification.object]];
- //Commented due to #56. Added all the conditions below to handle WKWebView's textFields. (Bug ID: #56)
- // We are unable to get textField object while keyboard showing on WKWebView's textField. (Bug ID: #11)
- // if (_textFieldView == nil) return;
- //Restoring the contentOffset of the lastScrollView
- __strong __typeof__(UIScrollView) *strongLastScrollView = _lastScrollView;
- if (strongLastScrollView)
- {
- __weak __typeof__(self) weakSelf = self;
- __weak __typeof__(UIView) *weakTextFieldView = self.textFieldView;
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
- __strong __typeof__(UIView) *strongTextFieldView = weakTextFieldView;
- if (UIEdgeInsetsEqualToEdgeInsets(strongLastScrollView.contentInset, strongSelf.startingContentInsets) == NO)
- {
- [strongSelf showLog:[NSString stringWithFormat:@"Restoring ScrollView contentInset to : %@",NSStringFromUIEdgeInsets(strongSelf.startingContentInsets)]];
- strongLastScrollView.contentInset = strongSelf.startingContentInsets;
- strongLastScrollView.scrollIndicatorInsets = strongSelf.startingScrollIndicatorInsets;
- }
-
- if (strongLastScrollView.shouldRestoreScrollViewContentOffset && CGPointEqualToPoint(strongLastScrollView.contentOffset, strongSelf.startingContentOffset) == NO)
- {
- [strongSelf showLog:[NSString stringWithFormat:@"Restoring ScrollView contentOffset to : %@",NSStringFromCGPoint(strongSelf.startingContentOffset)]];
- BOOL animatedContentOffset = ([strongTextFieldView superviewOfClassType:[UIStackView class] belowView:strongLastScrollView] != nil); // (Bug ID: #1365, #1508, #1541)
- if (animatedContentOffset) {
- [strongLastScrollView setContentOffset:strongSelf.startingContentOffset animated:UIView.areAnimationsEnabled];
- } else {
- strongLastScrollView.contentOffset = strongSelf.startingContentOffset;
- }
- }
-
- // TODO: restore scrollView state
- // This is temporary solution. Have to implement the save and restore scrollView state
- UIScrollView *superscrollView = strongLastScrollView;
- do
- {
- CGSize contentSize = CGSizeMake(MAX(superscrollView.contentSize.width, CGRectGetWidth(superscrollView.frame)), MAX(superscrollView.contentSize.height, CGRectGetHeight(superscrollView.frame)));
-
- CGFloat minimumY = contentSize.height-CGRectGetHeight(superscrollView.frame);
-
- if (minimumY<superscrollView.contentOffset.y)
- {
- CGPoint newContentOffset = CGPointMake(superscrollView.contentOffset.x, minimumY);
- if (CGPointEqualToPoint(superscrollView.contentOffset, newContentOffset) == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Restoring contentOffset to : %@",NSStringFromCGPoint(newContentOffset)]];
- BOOL animatedContentOffset = ([strongSelf.textFieldView superviewOfClassType:[UIStackView class] belowView:superscrollView] != nil); // (Bug ID: #1365, #1508, #1541)
- if (animatedContentOffset) {
- [superscrollView setContentOffset:newContentOffset animated:UIView.areAnimationsEnabled];
- } else {
- superscrollView.contentOffset = newContentOffset;
- }
- }
- }
- } while ((superscrollView = (UIScrollView*)[superscrollView superviewOfClassType:[UIScrollView class]]));
- } completion:NULL];
- }
-
- [self restorePosition];
- //Reset all values
- _lastScrollView = nil;
- _kbFrame = CGRectZero;
- [self notifyKeyboardSize:_kbFrame.size];
- _startingContentInsets = UIEdgeInsetsZero;
- _startingScrollIndicatorInsets = UIEdgeInsetsZero;
- _startingContentOffset = CGPointZero;
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- /* UIKeyboardDidHideNotification. So topViewBeginRect can be set to CGRectZero. */
- - (void)keyboardDidHide:(NSNotification*)aNotification
- {
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- [self showLog:[NSString stringWithFormat:@"Notification Object: %@", aNotification.object]];
- _topViewBeginOrigin = kIQCGPointInvalid;
- _kbFrame = CGRectZero;
- [self notifyKeyboardSize:_kbFrame.size];
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- -(void)registerKeyboardSizeChangeWithIdentifier:(nonnull id<NSCopying>)identifier sizeHandler:(void (^_Nonnull)(CGSize size))sizeHandler
- {
- _keyboardSizeObservers[identifier] = sizeHandler;
- }
- -(void)unregisterKeyboardSizeChangeWithIdentifier:(nonnull id<NSCopying>)identifier
- {
- _keyboardSizeObservers[identifier] = nil;
- }
- -(void)notifyKeyboardSize:(CGSize)size
- {
- if (!CGSizeEqualToSize(size, _keyboardLastNotifySize)) {
- _keyboardLastNotifySize = size;
- for (SizeBlock block in _keyboardSizeObservers.allValues) {
- block(size);
- }
- }
- }
- #pragma mark - UITextFieldView Delegate methods
- /** UITextFieldTextDidBeginEditingNotification, UITextViewTextDidBeginEditingNotification. Fetching UITextFieldView object. */
- -(void)textFieldViewDidBeginEditing:(NSNotification*)notification
- {
- UIView *object = (UIView*)notification.object;
- if (object.window.isKeyWindow == NO) {
- return;
- }
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- [self showLog:[NSString stringWithFormat:@"Notification Object: %@", notification.object]];
- // Getting object
- _textFieldView = object;
-
- UIView *textFieldView = _textFieldView;
- if (_overrideKeyboardAppearance == YES)
- {
- UITextField *textField = (UITextField*)textFieldView;
-
- if ([textField respondsToSelector:@selector(keyboardAppearance)])
- {
- //If keyboard appearance is not like the provided appearance
- if (textField.keyboardAppearance != _keyboardAppearance)
- {
- //Setting textField keyboard appearance and reloading inputViews.
- textField.keyboardAppearance = _keyboardAppearance;
- [textField reloadInputViews];
- }
- }
- }
-
- //If autoToolbar enable, then add toolbar on all the UITextField/UITextView's if required.
- if ([self privateIsEnableAutoToolbar])
- {
- //UITextView special case. Keyboard Notification is firing before textView notification so we need to reload it's inputViews.
- if ([textFieldView respondsToSelector:@selector(isEditable)] && [textFieldView isKindOfClass:[UIScrollView class]] &&
- textFieldView.inputAccessoryView == nil)
- {
- __weak __typeof__(self) weakSelf = self;
- [UIView animateWithDuration:0.00001 delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
- __strong __typeof__(self) strongSelf = weakSelf;
- [strongSelf addToolbarIfRequired];
- } completion:^(BOOL finished) {
- __strong __typeof__(self) strongSelf = weakSelf;
- //On textView toolbar didn't appear on first time, so forcing textView to reload it's inputViews.
- [strongSelf.textFieldView reloadInputViews];
- }];
- }
- //Else adding toolbar
- else
- {
- [self addToolbarIfRequired];
- }
- }
- else
- {
- [self removeToolbarIfRequired];
- }
-
- //Adding Geture recognizer to window (Enhancement ID: #14)
- [_resignFirstResponderGesture setEnabled:[self privateShouldResignOnTouchOutside]];
- [textFieldView.window addGestureRecognizer:_resignFirstResponderGesture];
- if ([self privateIsEnabled] == NO)
- {
- [self restorePosition];
- _topViewBeginOrigin = kIQCGPointInvalid;
- }
- else
- {
- if (CGPointEqualToPoint(_topViewBeginOrigin, kIQCGPointInvalid)) // (Bug ID: #5)
- {
- // keyboard is not showing(At the beginning only).
- UIViewController *rootController = [textFieldView parentContainerViewController];
- _rootViewController = rootController;
-
- if (_rootViewControllerWhilePopGestureRecognizerActive == rootController)
- {
- _topViewBeginOrigin = _topViewBeginOriginWhilePopGestureRecognizerActive;
- }
- else
- {
- _topViewBeginOrigin = rootController.view.frame.origin;
- }
-
- _rootViewControllerWhilePopGestureRecognizerActive = nil;
- _topViewBeginOriginWhilePopGestureRecognizerActive = kIQCGPointInvalid;
-
- [self showLog:[NSString stringWithFormat:@"Saving %@ beginning origin: %@",rootController, NSStringFromCGPoint(_topViewBeginOrigin)]];
- }
-
- //If textFieldView is inside AlertView then do nothing. (Bug ID: #37, #74, #76)
- //See notes:- https://developer.apple.com/library/ios/documentation/StringsTextFonts/Conceptual/TextAndWebiPhoneOS/KeyboardManagement/KeyboardManagement.html If it is AlertView textField then do not affect anything (Bug ID: #70).
- if (_keyboardShowing == YES &&
- textFieldView &&
- [textFieldView isAlertViewTextField] == NO)
- {
- // keyboard is already showing. adjust frame.
- [self optimizedAdjustPosition];
- }
- }
-
- // if ([textFieldView isKindOfClass:[UITextField class]])
- // {
- // [(UITextField*)textFieldView addTarget:self action:@selector(editingDidEndOnExit:) forControlEvents:UIControlEventEditingDidEndOnExit];
- // }
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- /** UITextFieldTextDidEndEditingNotification, UITextViewTextDidEndEditingNotification. Removing fetched object. */
- -(void)textFieldViewDidEndEditing:(NSNotification*)notification
- {
- UIView *object = (UIView*)notification.object;
- if (object.window.isKeyWindow == NO) {
- return;
- }
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- [self showLog:[NSString stringWithFormat:@"Notification Object: %@", notification.object]];
- UIView *textFieldView = _textFieldView;
- //Removing gesture recognizer (Enhancement ID: #14)
- [textFieldView.window removeGestureRecognizer:_resignFirstResponderGesture];
-
- // if ([textFieldView isKindOfClass:[UITextField class]])
- // {
- // [(UITextField*)textFieldView removeTarget:self action:@selector(editingDidEndOnExit:) forControlEvents:UIControlEventEditingDidEndOnExit];
- // }
- // We check if there's a change in original frame or not.
- if(_isTextViewContentInsetChanged == YES &&
- [textFieldView respondsToSelector:@selector(isEditable)] && [textFieldView isKindOfClass:[UIScrollView class]])
- {
- UIScrollView *textView = (UIScrollView*)textFieldView;
- self.isTextViewContentInsetChanged = NO;
- if (UIEdgeInsetsEqualToEdgeInsets(textView.contentInset, self.startingTextViewContentInsets) == NO)
- {
- __weak __typeof__(self) weakSelf = self;
-
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- [strongSelf showLog:[NSString stringWithFormat:@"Restoring textView.contentInset to : %@",NSStringFromUIEdgeInsets(strongSelf.startingTextViewContentInsets)]];
-
- //Setting textField to it's initial contentInset
- textView.contentInset = strongSelf.startingTextViewContentInsets;
- textView.scrollIndicatorInsets = strongSelf.startingTextViewScrollIndicatorInsets;
-
- } completion:NULL];
- }
- }
- //Setting object to nil
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 160000
- if (@available(iOS 16.0, *)) {
- if ([textFieldView isKindOfClass:[UITextView class]] && [(UITextView*)textFieldView isFindInteractionEnabled]) {
- //Not setting it nil, because it may be doing find interaction.
- //As of now, here textView.findInteraction.isFindNavigatorVisible returns NO
- //So there is no way to detect if this is dismissed due to findInteraction
- } else {
- textFieldView = nil;
- }
- } else
- #endif
- {
- textFieldView = nil;
- }
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- //-(void)editingDidEndOnExit:(UITextField*)textField
- //{
- // [self showLog:[NSString stringWithFormat:@"ReturnKey %@",NSStringFromSelector(_cmd)]];
- //}
- #pragma mark - UIStatusBar Notification methods
- /** UIApplicationWillChangeStatusBarOrientationNotification. Need to set the textView to it's original position. If any frame changes made. (Bug ID: #92)*/
- - (void)willChangeStatusBarOrientation:(NSNotification*)aNotification
- {
- UIInterfaceOrientation currentStatusBarOrientation = UIInterfaceOrientationUnknown;
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
- if (@available(iOS 13.0, *)) {
- currentStatusBarOrientation = [self keyWindow].windowScene.interfaceOrientation;
- } else
- #endif
- {
- #if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
- currentStatusBarOrientation = UIApplication.sharedApplication.statusBarOrientation;
- #endif
- }
-
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations"
- UIInterfaceOrientation statusBarOrientation = [aNotification.userInfo[UIApplicationStatusBarOrientationUserInfoKey] integerValue];
- #pragma clang diagnostic pop
-
- if (statusBarOrientation != currentStatusBarOrientation) {
- return;
- }
-
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- [self showLog:[NSString stringWithFormat:@"Notification Object: %@", aNotification.object]];
- __strong __typeof__(UIView) *strongTextFieldView = _textFieldView;
- //If textViewContentInsetChanged is changed then restore it.
- if (_isTextViewContentInsetChanged == YES &&
- [strongTextFieldView respondsToSelector:@selector(isEditable)] && [strongTextFieldView isKindOfClass:[UIScrollView class]])
- {
- UIScrollView *textView = (UIScrollView*)strongTextFieldView;
- self.isTextViewContentInsetChanged = NO;
- if (UIEdgeInsetsEqualToEdgeInsets(textView.contentInset, self.startingTextViewContentInsets) == NO)
- {
- __weak __typeof__(self) weakSelf = self;
-
- //Due to orientation callback we need to set it's original position.
- [UIView animateWithDuration:_animationDuration delay:0 options:(_animationCurve|UIViewAnimationOptionBeginFromCurrentState) animations:^{
-
- __strong __typeof__(self) strongSelf = weakSelf;
-
- [strongSelf showLog:[NSString stringWithFormat:@"Restoring textView.contentInset to : %@",NSStringFromUIEdgeInsets(strongSelf.startingTextViewContentInsets)]];
-
- //Setting textField to it's initial contentInset
- textView.contentInset = strongSelf.startingTextViewContentInsets;
- textView.scrollIndicatorInsets = strongSelf.startingTextViewScrollIndicatorInsets;
- } completion:NULL];
- }
- }
- [self restorePosition];
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- #pragma mark AutoResign methods
- /** Resigning on tap gesture. */
- - (void)tapRecognized:(UITapGestureRecognizer*)gesture // (Enhancement ID: #14)
- {
- if (gesture.state == UIGestureRecognizerStateEnded)
- {
- //Resigning currently responder textField.
- [self resignFirstResponder];
- }
- }
- /** Note: returning YES is guaranteed to allow simultaneous recognition. returning NO is not guaranteed to prevent simultaneous recognition, as the other gesture's delegate may return YES. */
- - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
- {
- return NO;
- }
- /** To not detect touch events in a subclass of UIControl, these may have added their own selector for specific work */
- -(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
- {
- // Should not recognize gesture if the clicked view is either UIControl or UINavigationBar(<Back button etc...) (Bug ID: #145)
- for (Class aClass in self.touchResignedGestureIgnoreClasses)
- {
- if ([[touch view] isKindOfClass:aClass])
- {
- return NO;
- }
- }
- return YES;
- }
- /** Resigning textField. */
- - (BOOL)resignFirstResponder
- {
- UIView *textFieldView = _textFieldView;
- if (textFieldView)
- {
- // Retaining textFieldView
- UIView *textFieldRetain = textFieldView;
-
- //Resigning first responder
- BOOL isResignFirstResponder = [textFieldView resignFirstResponder];
-
- // If it refuses then becoming it as first responder again. (Bug ID: #96)
- if (isResignFirstResponder == NO)
- {
- //If it refuses to resign then becoming it first responder again for getting notifications callback.
- [textFieldRetain becomeFirstResponder];
-
- [self showLog:[NSString stringWithFormat:@"Refuses to Resign first responder: %@",textFieldView]];
- }
-
- return isResignFirstResponder;
- }
- else
- {
- return NO;
- }
- }
- /** Returns YES if can navigate to previous responder textField/textView, otherwise NO. */
- -(BOOL)canGoPrevious
- {
- //Getting all responder view's.
- NSArray<UIView*> *textFields = [self responderViews];
- //Getting index of current textField.
- NSUInteger index = [textFields indexOfObject:_textFieldView];
- //If it is not first textField. then it's previous object can becomeFirstResponder.
- if (index != NSNotFound &&
- index > 0)
- {
- return YES;
- }
- else
- {
- return NO;
- }
- }
- /** Returns YES if can navigate to next responder textField/textView, otherwise NO. */
- -(BOOL)canGoNext
- {
- //Getting all responder view's.
- NSArray<UIView*> *textFields = [self responderViews];
-
- //Getting index of current textField.
- NSUInteger index = [textFields indexOfObject:_textFieldView];
-
- //If it is not last textField. then it's next object becomeFirstResponder.
- if (index != NSNotFound &&
- index < textFields.count-1)
- {
- return YES;
- }
- else
- {
- return NO;
- }
- }
- /** Navigate to previous responder textField/textView. */
- -(BOOL)goPrevious
- {
- //Getting all responder view's.
- NSArray<__kindof UIView*> *textFields = [self responderViews];
-
- //Getting index of current textField.
- NSUInteger index = [textFields indexOfObject:_textFieldView];
-
- //If it is not first textField. then it's previous object becomeFirstResponder.
- if (index != NSNotFound &&
- index > 0)
- {
- UITextField *nextTextField = textFields[index-1];
-
- BOOL isAcceptAsFirstResponder = [nextTextField becomeFirstResponder];
- // If it refuses then becoming previous textFieldView as first responder again. (Bug ID: #96)
- if (isAcceptAsFirstResponder == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Refuses to become first responder: %@",nextTextField]];
- }
- return isAcceptAsFirstResponder;
- }
- else
- {
- return NO;
- }
- }
- /** Navigate to next responder textField/textView. */
- -(BOOL)goNext
- {
- //Getting all responder view's.
- NSArray<__kindof UIView*> *textFields = [self responderViews];
-
- //Getting index of current textField.
- NSUInteger index = [textFields indexOfObject:_textFieldView];
-
- //If it is not last textField. then it's next object becomeFirstResponder.
- if (index != NSNotFound &&
- index < textFields.count-1)
- {
- UITextField *nextTextField = textFields[index+1];
- BOOL isAcceptAsFirstResponder = [nextTextField becomeFirstResponder];
- // If it refuses then becoming previous textFieldView as first responder again. (Bug ID: #96)
- if (isAcceptAsFirstResponder == NO)
- {
- [self showLog:[NSString stringWithFormat:@"Refuses to become first responder: %@",nextTextField]];
- }
- return isAcceptAsFirstResponder;
- }
- else
- {
- return NO;
- }
- }
- #pragma mark AutoToolbar methods
- /** Get all UITextField/UITextView siblings of textFieldView. */
- -(NSArray<__kindof UIView*>*)responderViews
- {
- UIView *superConsideredView;
-
- UIView *textFieldView = _textFieldView;
- //If find any consider responderView in it's upper hierarchy then will get deepResponderView.
- for (Class consideredClass in _toolbarPreviousNextAllowedClasses)
- {
- superConsideredView = [textFieldView superviewOfClassType:consideredClass];
-
- if (superConsideredView)
- break;
- }
-
- //If there is a superConsideredView in view's hierarchy, then fetching all it's subview that responds. No sorting for superConsideredView, it's by subView position. (Enhancement ID: #22)
- if (superConsideredView)
- {
- return [superConsideredView deepResponderViews];
- }
- //Otherwise fetching all the siblings
- else
- {
- NSArray<UIView*> *textFields = [textFieldView responderSiblings];
-
- //Sorting textFields according to behaviour
- switch (_toolbarManageBehaviour)
- {
- //If autoToolbar behaviour is bySubviews, then returning it.
- case IQAutoToolbarBySubviews:
- return textFields;
- break;
-
- //If autoToolbar behaviour is by tag, then sorting it according to tag property.
- case IQAutoToolbarByTag:
- return [textFields sortedArrayByTag];
- break;
-
- //If autoToolbar behaviour is by tag, then sorting it according to tag property.
- case IQAutoToolbarByPosition:
- return [textFields sortedArrayByPosition];
- break;
- default:
- return nil;
- break;
- }
- }
- }
- /** Add toolbar if it is required to add on textFields and it's siblings. */
- -(void)addToolbarIfRequired
- {
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
-
- // Getting all the sibling textFields.
- NSArray<UIView*> *siblings = [self responderViews];
-
- [self showLog:[NSString stringWithFormat:@"Found %lu responder sibling(s)",(unsigned long)siblings.count]];
- UIView *textFieldView = _textFieldView;
- //Either there is no inputAccessoryView or if accessoryView is not appropriate for current situation(There is Previous/Next/Done toolbar).
- //setInputAccessoryView: check (Bug ID: #307)
- if ([textFieldView respondsToSelector:@selector(setInputAccessoryView:)])
- {
- if ([textFieldView inputAccessoryView] == nil ||
- [[textFieldView inputAccessoryView] tag] == kIQPreviousNextButtonToolbarTag ||
- [[textFieldView inputAccessoryView] tag] == kIQDoneButtonToolbarTag)
- {
- UITextField *textField = (UITextField*)textFieldView;
- IQBarButtonItemConfiguration *rightConfiguration = nil;
-
- //Supporting Custom Done button image (Enhancement ID: #366)
- if (_toolbarDoneBarButtonItemImage)
- {
- rightConfiguration = [[IQBarButtonItemConfiguration alloc] initWithImage:_toolbarDoneBarButtonItemImage action:@selector(doneAction:)];
- }
- //Supporting Custom Done button text (Enhancement ID: #209, #411, Bug ID: #376)
- else if (_toolbarDoneBarButtonItemText)
- {
- rightConfiguration = [[IQBarButtonItemConfiguration alloc] initWithTitle:_toolbarDoneBarButtonItemText action:@selector(doneAction:)];
- }
- else
- {
- rightConfiguration = [[IQBarButtonItemConfiguration alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone action:@selector(doneAction:)];
- }
- rightConfiguration.accessibilityLabel = _toolbarDoneBarButtonItemAccessibilityLabel ? : @"Done";
- // If only one object is found, then adding only Done button.
- if ((siblings.count <= 1 && self.previousNextDisplayMode == IQPreviousNextDisplayModeDefault) || self.previousNextDisplayMode == IQPreviousNextDisplayModeAlwaysHide)
- {
- [textField addKeyboardToolbarWithTarget:self titleText:(_shouldShowToolbarPlaceholder ? textField.drawingToolbarPlaceholder : nil) rightBarButtonConfiguration:rightConfiguration previousBarButtonConfiguration:nil nextBarButtonConfiguration:nil];
- textField.inputAccessoryView.tag = kIQDoneButtonToolbarTag; // (Bug ID: #78)
- }
- //If there is multiple siblings of textField
- else if ((self.previousNextDisplayMode == IQPreviousNextDisplayModeDefault) || self.previousNextDisplayMode == IQPreviousNextDisplayModeAlwaysShow)
- {
- IQBarButtonItemConfiguration *prevConfiguration = nil;
-
- //Supporting Custom Done button image (Enhancement ID: #366)
- if (_toolbarPreviousBarButtonItemImage)
- {
- prevConfiguration = [[IQBarButtonItemConfiguration alloc] initWithImage:_toolbarPreviousBarButtonItemImage action:@selector(previousAction:)];
- }
- //Supporting Custom Done button text (Enhancement ID: #209, #411, Bug ID: #376)
- else if (_toolbarPreviousBarButtonItemText)
- {
- prevConfiguration = [[IQBarButtonItemConfiguration alloc] initWithTitle:_toolbarPreviousBarButtonItemText action:@selector(previousAction:)];
- }
- else
- {
- prevConfiguration = [[IQBarButtonItemConfiguration alloc] initWithImage:[UIImage keyboardPreviousImage] action:@selector(previousAction:)];
- }
- prevConfiguration.accessibilityLabel = _toolbarPreviousBarButtonItemAccessibilityLabel ? : @"Previous";
-
- IQBarButtonItemConfiguration *nextConfiguration = nil;
-
- //Supporting Custom Done button image (Enhancement ID: #366)
- if (_toolbarNextBarButtonItemImage)
- {
- nextConfiguration = [[IQBarButtonItemConfiguration alloc] initWithImage:_toolbarNextBarButtonItemImage action:@selector(nextAction:)];
- }
- //Supporting Custom Done button text (Enhancement ID: #209, #411, Bug ID: #376)
- else if (_toolbarNextBarButtonItemText)
- {
- nextConfiguration = [[IQBarButtonItemConfiguration alloc] initWithTitle:_toolbarNextBarButtonItemText action:@selector(nextAction:)];
- }
- else
- {
- nextConfiguration = [[IQBarButtonItemConfiguration alloc] initWithImage:[UIImage keyboardNextImage] action:@selector(nextAction:)];
- }
- nextConfiguration.accessibilityLabel = _toolbarNextBarButtonItemAccessibilityLabel ? : @"Next";
- [textField addKeyboardToolbarWithTarget:self titleText:(_shouldShowToolbarPlaceholder ? textField.drawingToolbarPlaceholder : nil) rightBarButtonConfiguration:rightConfiguration previousBarButtonConfiguration:prevConfiguration nextBarButtonConfiguration:nextConfiguration];
- textField.inputAccessoryView.tag = kIQPreviousNextButtonToolbarTag; // (Bug ID: #78)
- }
-
- IQToolbar *toolbar = textField.keyboardToolbar;
-
- //Bar style according to keyboard appearance
- if ([textField respondsToSelector:@selector(keyboardAppearance)])
- {
- //Setting toolbar tintColor // (Enhancement ID: #30)
- if (_shouldToolbarUsesTextFieldTintColor)
- {
- toolbar.tintColor = [textField tintColor];
- }
- else if (_toolbarTintColor)
- {
- toolbar.tintColor = _toolbarTintColor;
- }
- else
- {
- toolbar.tintColor = nil;
- }
- switch ([textField keyboardAppearance])
- {
- case UIKeyboardAppearanceDark:
- {
- toolbar.barStyle = UIBarStyleBlack;
- [toolbar setBarTintColor:nil];
- }
- break;
- default:
- {
- toolbar.barStyle = UIBarStyleDefault;
- toolbar.barTintColor = _toolbarBarTintColor;
- }
- break;
- }
-
- //If need to show placeholder
- if (_shouldShowToolbarPlaceholder &&
- textField.shouldHideToolbarPlaceholder == NO)
- {
- //Updating placeholder //(Bug ID: #148, #272)
- if (toolbar.titleBarButton.title == nil ||
- [toolbar.titleBarButton.title isEqualToString:textField.drawingToolbarPlaceholder] == NO)
- {
- [toolbar.titleBarButton setTitle:textField.drawingToolbarPlaceholder];
- }
-
- //Setting toolbar title font. // (Enhancement ID: #30)
- if (_placeholderFont &&
- [_placeholderFont isKindOfClass:[UIFont class]])
- {
- [toolbar.titleBarButton setTitleFont:_placeholderFont];
- }
- //Setting toolbar title color. // (Enhancement ID: #880)
- if (_placeholderColor)
- {
- [toolbar.titleBarButton setTitleColor:_placeholderColor];
- }
- //Setting toolbar button title color. // (Enhancement ID: #880)
- if (_placeholderButtonColor)
- {
- [toolbar.titleBarButton setSelectableTitleColor:_placeholderButtonColor];
- }
- }
- else
- {
- //Updating placeholder //(Bug ID: #272)
- toolbar.titleBarButton.title = nil;
- }
- }
- //In case of UITableView (Special), the next/previous buttons has to be refreshed everytime. (Bug ID: #56)
- // If firstTextField, then previous should not be enabled.
- if (siblings.firstObject == textField)
- {
- if (siblings.count == 1)
- {
- textField.keyboardToolbar.previousBarButton.enabled = NO;
- textField.keyboardToolbar.nextBarButton.enabled = NO;
- }
- else
- {
- textField.keyboardToolbar.previousBarButton.enabled = NO;
- textField.keyboardToolbar.nextBarButton.enabled = YES;
- }
- }
- // If lastTextField then next should not be enaled.
- else if ([siblings lastObject] == textField)
- {
- textField.keyboardToolbar.previousBarButton.enabled = YES;
- textField.keyboardToolbar.nextBarButton.enabled = NO;
- }
- else
- {
- textField.keyboardToolbar.previousBarButton.enabled = YES;
- textField.keyboardToolbar.nextBarButton.enabled = YES;
- }
- }
- }
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- /** Remove any toolbar if it is IQToolbar. */
- -(void)removeToolbarIfRequired // (Bug ID: #18)
- {
- CFTimeInterval startTime = CACurrentMediaTime();
- [self showLog:[NSString stringWithFormat:@">>>>> %@ started >>>>>",NSStringFromSelector(_cmd)] indentation:1];
- // Getting all the sibling textFields.
- NSArray<UIView*> *siblings = [self responderViews];
-
- [self showLog:[NSString stringWithFormat:@"Found %lu responder sibling(s)",(unsigned long)siblings.count]];
- for (UITextField *textField in siblings)
- {
- UIView *toolbar = [textField inputAccessoryView];
-
- // (Bug ID: #78)
- //setInputAccessoryView: check (Bug ID: #307)
- if ([textField respondsToSelector:@selector(setInputAccessoryView:)] &&
- ([toolbar isKindOfClass:[IQToolbar class]] && (toolbar.tag == kIQDoneButtonToolbarTag || toolbar.tag == kIQPreviousNextButtonToolbarTag)))
- {
- textField.inputAccessoryView = nil;
- [textField reloadInputViews];
- }
- }
- CFTimeInterval elapsedTime = CACurrentMediaTime() - startTime;
- [self showLog:[NSString stringWithFormat:@"<<<<< %@ ended: %g seconds <<<<<",NSStringFromSelector(_cmd),elapsedTime] indentation:-1];
- }
- /** reloadInputViews to reload toolbar buttons enable/disable state on the fly Enhancement ID #434. */
- - (void)reloadInputViews
- {
- //If enabled then adding toolbar.
- if ([self privateIsEnableAutoToolbar] == YES)
- {
- [self addToolbarIfRequired];
- }
- //Else removing toolbar.
- else
- {
- [self removeToolbarIfRequired];
- }
- }
- #pragma mark previous/next/done functionality
- /** previousAction. */
- -(void)previousAction:(IQBarButtonItem*)barButton
- {
- //If user wants to play input Click sound. Then Play Input Click Sound.
- if (_shouldPlayInputClicks)
- {
- [[UIDevice currentDevice] playInputClick];
- }
- if ([self canGoPrevious])
- {
- UIView *currentTextFieldView = _textFieldView;
- BOOL isAcceptAsFirstResponder = [self goPrevious];
-
- NSInvocation *invocation = barButton.invocation;
- UIView *sender = currentTextFieldView;
- //Handling search bar special case
- {
- UISearchBar *searchBar = currentTextFieldView.textFieldSearchBar;
-
- if (searchBar)
- {
- invocation = searchBar.keyboardToolbar.previousBarButton.invocation;
- sender = searchBar;
- }
- }
- if (isAcceptAsFirstResponder == YES && invocation)
- {
- if (invocation.methodSignature.numberOfArguments > 2)
- {
- [invocation setArgument:&sender atIndex:2];
- }
- [invocation invoke];
- }
- }
- }
- /** nextAction. */
- -(void)nextAction:(IQBarButtonItem*)barButton
- {
- //If user wants to play input Click sound. Then Play Input Click Sound.
- if (_shouldPlayInputClicks)
- {
- [[UIDevice currentDevice] playInputClick];
- }
- if ([self canGoNext])
- {
- UIView *currentTextFieldView = _textFieldView;
- BOOL isAcceptAsFirstResponder = [self goNext];
-
- NSInvocation *invocation = barButton.invocation;
- UIView *sender = currentTextFieldView;
- //Handling search bar special case
- {
- UISearchBar *searchBar = currentTextFieldView.textFieldSearchBar;
-
- if (searchBar)
- {
- invocation = searchBar.keyboardToolbar.nextBarButton.invocation;
- sender = searchBar;
- }
- }
- if (isAcceptAsFirstResponder == YES && invocation)
- {
- if (invocation.methodSignature.numberOfArguments > 2)
- {
- [invocation setArgument:&sender atIndex:2];
- }
- [invocation invoke];
- }
- }
- }
- /** doneAction. Resigning current textField. */
- -(void)doneAction:(IQBarButtonItem*)barButton
- {
- //If user wants to play input Click sound. Then Play Input Click Sound.
- if (_shouldPlayInputClicks)
- {
- [[UIDevice currentDevice] playInputClick];
- }
- UIView *currentTextFieldView = _textFieldView;
- BOOL isResignedFirstResponder = [self resignFirstResponder];
-
- NSInvocation *invocation = barButton.invocation;
- UIView *sender = currentTextFieldView;
- //Handling search bar special case
- {
- UISearchBar *searchBar = currentTextFieldView.textFieldSearchBar;
-
- if (searchBar)
- {
- invocation = searchBar.keyboardToolbar.doneBarButton.invocation;
- sender = searchBar;
- }
- }
- if (isResignedFirstResponder == YES && invocation)
- {
- if (invocation.methodSignature.numberOfArguments > 2)
- {
- [invocation setArgument:&sender atIndex:2];
- }
- [invocation invoke];
- }
- }
- #pragma mark - Customised textField/textView support.
- /**
- Add customised Notification for third party customised TextField/TextView.
- */
- -(void)registerTextFieldViewClass:(nonnull Class)aClass
- didBeginEditingNotificationName:(nonnull NSString *)didBeginEditingNotificationName
- didEndEditingNotificationName:(nonnull NSString *)didEndEditingNotificationName
- {
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textFieldViewDidBeginEditing:) name:didBeginEditingNotificationName object:nil];
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textFieldViewDidEndEditing:) name:didEndEditingNotificationName object:nil];
- }
- /**
- Remove customised Notification for third party customised TextField/TextView.
- */
- -(void)unregisterTextFieldViewClass:(nonnull Class)aClass
- didBeginEditingNotificationName:(nonnull NSString *)didBeginEditingNotificationName
- didEndEditingNotificationName:(nonnull NSString *)didEndEditingNotificationName
- {
- [[NSNotificationCenter defaultCenter] removeObserver:self name:didBeginEditingNotificationName object:nil];
- [[NSNotificationCenter defaultCenter] removeObserver:self name:didEndEditingNotificationName object:nil];
- }
- -(void)registerAllNotifications
- {
- // Registering for keyboard notification.
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidShow:) name:UIKeyboardDidShowNotification object:nil];
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidHide:) name:UIKeyboardDidHideNotification object:nil];
-
- // Registering for UITextField notification.
- [self registerTextFieldViewClass:[UITextField class]
- didBeginEditingNotificationName:UITextFieldTextDidBeginEditingNotification
- didEndEditingNotificationName:UITextFieldTextDidEndEditingNotification];
-
- // Registering for UITextView notification.
- [self registerTextFieldViewClass:[UITextView class]
- didBeginEditingNotificationName:UITextViewTextDidBeginEditingNotification
- didEndEditingNotificationName:UITextViewTextDidEndEditingNotification];
-
- // Registering for orientation changes notification
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations"
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(willChangeStatusBarOrientation:) name:UIApplicationWillChangeStatusBarOrientationNotification object:[UIApplication sharedApplication]];
- #pragma clang diagnostic pop
- }
- -(void)unregisterAllNotifications
- {
- // Unregistering for keyboard notification.
- [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
- [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardDidShowNotification object:nil];
- [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
- [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardDidHideNotification object:nil];
- // Unregistering for UITextField notification.
- [self unregisterTextFieldViewClass:[UITextField class]
- didBeginEditingNotificationName:UITextFieldTextDidBeginEditingNotification
- didEndEditingNotificationName:UITextFieldTextDidEndEditingNotification];
-
- // Unregistering for UITextView notification.
- [self unregisterTextFieldViewClass:[UITextView class]
- didBeginEditingNotificationName:UITextViewTextDidBeginEditingNotification
- didEndEditingNotificationName:UITextViewTextDidEndEditingNotification];
-
- // Unregistering for orientation changes notification
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations"
- [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationWillChangeStatusBarOrientationNotification object:[UIApplication sharedApplication]];
- #pragma clang diagnostic pop
- }
- -(void)showLog:(NSString*)logString
- {
- [self showLog:logString indentation:0];
- }
- -(void)showLog:(NSString*)logString indentation:(NSInteger)indent
- {
- static NSInteger indentation = 0;
-
- if (indent < 0)
- {
- indentation = MAX(0, indentation + indent);
- }
-
- if (_enableDebugging)
- {
- NSMutableString *preLog = [[NSMutableString alloc] init];
-
- for (int i = 0; i<=indentation; i++) {
- [preLog appendString:@"|\t"];
- }
- [preLog appendString:logString];
- NSLog(@"%@",preLog);
- }
-
- if (indent > 0)
- {
- indentation += indent;
- }
- }
- @end
|