1#import "IonicKeyboard.h"
  2// #import "UIWebViewExtension.h"
  3#import <Cordova/CDVAvailability.h>
  4
  5@implementation IonicKeyboard
  6
  7@synthesize hideKeyboardAccessoryBar = _hideKeyboardAccessoryBar;
  8@synthesize disableScroll = _disableScroll;
  9//@synthesize styleDark = _styleDark;
 10
 11- (void)pluginInitialize {
 12
 13    Class wkClass = NSClassFromString([@[@"UI", @"Web", @"Browser", @"View"] componentsJoinedByString:@""]);
 14    wkMethod = class_getInstanceMethod(wkClass, @selector(inputAccessoryView));
 15    wkOriginalImp = method_getImplementation(wkMethod);
 16    Class uiClass = NSClassFromString([@[@"WK", @"Content", @"View"] componentsJoinedByString:@""]);
 17    uiMethod = class_getInstanceMethod(uiClass, @selector(inputAccessoryView));
 18    uiOriginalImp = method_getImplementation(uiMethod);
 19    nilImp = imp_implementationWithBlock(^(id _s) {
 20        return nil;
 21    });
 22    
 23    //set defaults
 24    self.hideKeyboardAccessoryBar = YES;
 25    self.disableScroll = NO;
 26    //self.styleDark = NO;
 27    
 28    NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
 29    __weak IonicKeyboard* weakSelf = self;
 30    _keyboardShowObserver = [nc addObserverForName:UIKeyboardWillShowNotification
 31                               object:nil
 32                               queue:[NSOperationQueue mainQueue]
 33                               usingBlock:^(NSNotification* notification) {
 34
 35                                   CGRect keyboardFrame = [notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
 36                                   keyboardFrame = [self.viewController.view convertRect:keyboardFrame fromView:nil];
 37
 38                                   [weakSelf.commandDelegate evalJs:[NSString stringWithFormat:@"cordova.plugins.Keyboard.isVisible = true; cordova.fireWindowEvent('native.keyboardshow', { 'keyboardHeight': %@ }); ", [@(keyboardFrame.size.height) stringValue]]];
 39
 40                                   //deprecated
 41                                   [weakSelf.commandDelegate evalJs:[NSString stringWithFormat:@"cordova.fireWindowEvent('native.showkeyboard', { 'keyboardHeight': %@ }); ", [@(keyboardFrame.size.height) stringValue]]];
 42                               }];
 43
 44    _keyboardHideObserver = [nc addObserverForName:UIKeyboardWillHideNotification
 45                               object:nil
 46                               queue:[NSOperationQueue mainQueue]
 47                               usingBlock:^(NSNotification* notification) {
 48                                   [weakSelf.commandDelegate evalJs:@"cordova.plugins.Keyboard.isVisible = false; cordova.fireWindowEvent('native.keyboardhide'); "];
 49
 50                                   //deprecated
 51                                   [weakSelf.commandDelegate evalJs:@"cordova.fireWindowEvent('native.hidekeyboard'); "];
 52                               }];
 53}
 54
 55- (BOOL)disableScroll {
 56    return _disableScroll;
 57}
 58
 59- (void)setDisableScroll:(BOOL)disableScroll {
 60    if (disableScroll == _disableScroll) {
 61        return;
 62    }
 63    if (disableScroll) {
 64        self.webView.scrollView.scrollEnabled = NO;
 65        self.webView.scrollView.delegate = self;
 66    }
 67    else {
 68        self.webView.scrollView.scrollEnabled = YES;
 69        self.webView.scrollView.delegate = nil;
 70    }
 71
 72    _disableScroll = disableScroll;
 73}
 74
 75//keyboard swizzling inspired by:
 76//https://github.com/cjpearson/cordova-plugin-keyboard/
 77
 78- (BOOL)hideKeyboardAccessoryBar {
 79    return _hideKeyboardAccessoryBar;
 80}
 81
 82- (void)setHideKeyboardAccessoryBar:(BOOL)hideKeyboardAccessoryBar {
 83    if (hideKeyboardAccessoryBar == _hideKeyboardAccessoryBar) {
 84        return;
 85    }
 86
 87    if (hideKeyboardAccessoryBar) {
 88        method_setImplementation(wkMethod, nilImp);
 89        method_setImplementation(uiMethod, nilImp);
 90    } else {
 91        method_setImplementation(wkMethod, wkOriginalImp);
 92        method_setImplementation(uiMethod, uiOriginalImp);
 93    }
 94    
 95    _hideKeyboardAccessoryBar = hideKeyboardAccessoryBar;
 96}
 97
 98/*
 99- (BOOL)styleDark {
100    return _styleDark;
101}
102
103- (void)setStyleDark:(BOOL)styleDark {
104    if (styleDark == _styleDark) {
105        return;
106    }
107    if (styleDark) {
108        self.webView.styleDark = YES;
109    }
110    else {
111        self.webView.styleDark = NO;
112    }
113
114    _styleDark = styleDark;
115}
116*/
117
118
119/* ------------------------------------------------------------- */
120
121- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
122    [scrollView setContentOffset: CGPointZero];
123}
124
125/* ------------------------------------------------------------- */
126
127- (void)dealloc {
128    NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
129
130    [nc removeObserver:self name:UIKeyboardWillShowNotification object:nil];
131    [nc removeObserver:self name:UIKeyboardWillHideNotification object:nil];
132}
133
134/* ------------------------------------------------------------- */
135
136- (void) disableScroll:(CDVInvokedUrlCommand*)command {
137    if (!command.arguments || ![command.arguments count]){
138      return;
139    }
140    id value = [command.arguments objectAtIndex:0];
141    if (value != [NSNull null]) {
142      self.disableScroll = [value boolValue];
143    }
144}
145
146- (void) hideKeyboardAccessoryBar:(CDVInvokedUrlCommand*)command {
147    if (!command.arguments || ![command.arguments count]){
148        return;
149    }
150    id value = [command.arguments objectAtIndex:0];
151    if (value != [NSNull null]) {
152        self.hideKeyboardAccessoryBar = [value boolValue];
153    }
154}
155
156- (void) close:(CDVInvokedUrlCommand*)command {
157    [self.webView endEditing:YES];
158}
159
160- (void) show:(CDVInvokedUrlCommand*)command {
161    NSLog(@"Showing keyboard not supported in iOS due to platform limitations.");
162}
163
164/*
165- (void) styleDark:(CDVInvokedUrlCommand*)command {
166    if (!command.arguments || ![command.arguments count]){
167      return;
168    }
169    id value = [command.arguments objectAtIndex:0];
170
171    self.styleDark = [value boolValue];
172}
173*/
174
175@end
176