小说绘上架版本

2021-02-07 11:24:08 +08:00
commit ee5c1c8b12
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+//
+//  TFKeyboardManager.h
+//  WXReader
+//
+//  Created by 谢腾飞 on 2020/12/3.
+//  Copyright © 2020 xtfei_2011@126.com. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface TFKeyboardManager : NSObject
+
+// 键盘高度改变
+@property (nonatomic ,copy) void (^keyboardHeightChanged)(CGFloat keyboardHeight, CGFloat shouldMoveDistance, CGRect shouldMoveFrame);
+// 输入框与键盘间距         default 10
+@property (nonatomic ,assign) CGFloat spacingFromKeyboard;
+// 是否添加键盘工具条       default YES
+@property (nonatomic ,assign) BOOL showToolBar;
+// 主移动视图
+@property (nonatomic ,strong) UIView *adaptiveMovementView;
+
+- (instancetype)initObserverWithAdaptiveMovementView:(UIView *)adaptiveMovementView;
+
+- (void)startKeyboardObserver;
+
+- (void)stopKeyboardObserver;
+
+ (void)hideKeyboard;
+
+@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,200 @@
+//
+//  TFKeyboardManager.m
+//  WXReader
+//
+//  Created by 谢腾飞 on 2020/12/3.
+//  Copyright © 2020 xtfei_2011@126.com. All rights reserved.
+//
+
+#import "TFKeyboardManager.h"
+
+@interface TFKeyboardManager ()
+
+@property (nonatomic ,strong) UIToolbar *toolBar;
+@property (nonatomic ,strong) UIView *baseView;
+@property (nonatomic ,assign) CGFloat moveDistance;         // 被遮挡时,控件需移动距离
+@property (nonatomic ,assign) NSValue *superViewFrame;
+@property (nonatomic ,assign) BOOL isShowkeyboard;          // 键盘是否显示
+@property (nonatomic ,assign) BOOL isObserver;              // 监听是否已添加
+@property (nonatomic ,strong) UIBarButtonItem *doneItem;
+
+@end
+
+@implementation TFKeyboardManager
+
+- (instancetype)initObserverWithAdaptiveMovementView:(UIView *)adaptiveMovementView
+{
+    if (self = [super init]) {
+        
+        self.baseView = adaptiveMovementView;
+        
+        _spacingFromKeyboard = 10;
+        _showToolBar = YES;
+        
+        self.isShowkeyboard = NO;
+        self.isObserver = NO;
+        
+        [self toolBar];
+        [self startKeyboardObserver];
+    }
+    return self;
+}
+
+- (void)startKeyboardObserver
+{
+    if (self.isObserver) {
+        return;
+    }
+    self.isObserver = YES;
+    
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(firstResponderDidBeginEditing:) name:UITextViewTextDidBeginEditingNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(firstResponderDidBeginEditing:) name:UITextFieldTextDidBeginEditingNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShowWithNotification:) name:UIKeyboardWillShowNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHideWithNotification:) name:UIKeyboardWillHideNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(switchLanguage) name:Notification_Switch_Language object:nil];
+}
+
+- (void)switchLanguage
+{
+    self.doneItem.title = TFLocalizedString(@"完成");
+}
+
+- (void)stopKeyboardObserver
+{
+    if (!self.isObserver) {
+        return;
+    }
+    self.isObserver = NO;
+    
+    [[NSNotificationCenter defaultCenter] removeObserver:self name:UITextViewTextDidBeginEditingNotification object:nil];
+    [[NSNotificationCenter defaultCenter] removeObserver:self name:UITextFieldTextDidBeginEditingNotification object:nil];
+    [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
+    [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
+}
+
+- (void)firstResponderDidBeginEditing:(NSNotification *)notification
+{
+    [self setKeyboardToolBarForView:notification.object];
+}
+
+- (void)keyboardWillShowWithNotification:(NSNotification *)notification
+{
+    CGRect startFrame = [[[notification userInfo] objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue];
+     if (startFrame.size.height > 0 && !self.isShowkeyboard) {
+         
+         self.isShowkeyboard = YES;
+         
+         UITextView *firstResponder = (UITextView *)[self findFirstResponderFromView:self.baseView];
+         // 屏蔽网页
+         if ([firstResponder isKindOfClass:NSClassFromString(@"WKContentView")] || !self.baseView || !firstResponder) {
+             return ;
+         }
+         
+         [self setKeyboardToolBarForView:firstResponder];
+         
+         CGFloat keyboardHeight = [self getKeyboardSizeWithKeyboardInfo:[notification userInfo]].height;
+         
+         CGRect firstResponderFrame = [self.baseView convertRect:firstResponder.frame toView:kMainWindow];
+         
+         self.moveDistance = CGRectGetMaxY(firstResponderFrame) - (kMainWindow.height - keyboardHeight) + _spacingFromKeyboard;
+         
+         // 没有遮挡输入框
+         if (self.moveDistance < 0) {
+             self.moveDistance = 0;
+             return;
+         }
+         
+         self.superViewFrame = [NSValue valueWithCGRect:self.baseView.frame];
+         
+         // 移动后的frame
+         CGRect newSuperViewFrame = CGRectMake(self.baseView.origin.x, CGRectGetMaxY(self.baseView.frame) - self.moveDistance - self.baseView.size.height, self.baseView.size.width, self.baseView.size.height);
+         
+         if (self.keyboardHeightChanged) {
+             NSLog(@"%lf", self.moveDistance);
+             self.keyboardHeightChanged(keyboardHeight, - self.moveDistance, newSuperViewFrame);
+         }
+     }
+}
+
+- (void)keyboardWillHideWithNotification:(NSNotification *)notification
+{
+    if (self.moveDistance > 0 && self.isShowkeyboard) {
+        if (self.keyboardHeightChanged) {
+            self.keyboardHeightChanged(0, self.moveDistance, self.superViewFrame.CGRectValue);
+        }
+    }
+    
+    self.isShowkeyboard = NO;
+    self.moveDistance = 0;
+    self.superViewFrame = nil;
+}
+
+#pragma mark - tool
+- (UIView *)findFirstResponderFromView:(UIView *)view
+{
+    if (view.isFirstResponder) {
+        return view;
+    }
+    for (UIView *subView in view.subviews) {
+        UIView * firstResponder = [self findFirstResponderFromView:subView];
+        if (firstResponder != nil) {
+            return firstResponder;
+        }
+    }
+    return nil;
+}
+
+- (CGSize)getKeyboardSizeWithKeyboardInfo:(NSDictionary *)keyboardInfo
+{
+    NSValue *value = [keyboardInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
+    return [value CGRectValue].size;
+}
+
+- (void)setKeyboardToolBarForView:(UITextView *)view
+{
+    if (self.showToolBar) {
+        if (!view.inputAccessoryView || view.inputAccessoryView == nil) {
+            view.inputAccessoryView = self.toolBar;
+        }
+    } else {
+        view.inputAccessoryView = nil;
+    }
+}
+
+- (void)setAdaptiveMovementView:(UIView *)adaptiveMovementView
+{
+    _adaptiveMovementView = adaptiveMovementView;
+    self.baseView = adaptiveMovementView;
+}
+
+- (UIToolbar *)toolBar
+{
+    if (!_toolBar) {
+        _toolBar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 40)];
+        _toolBar.barStyle = UIBarStyleDefault;
+        
+        UIBarButtonItem *flexibleSpaceItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
+        
+        UIBarButtonItem *doneItem = [[UIBarButtonItem alloc] initWithTitle:TFLocalizedString(@"完成") style:UIBarButtonItemStyleDone target:self action:@selector(hideKeyboard)];
+        self.doneItem = doneItem;
+        
+        [_toolBar setItems:@[flexibleSpaceItem, doneItem]];
+    }
+    return _toolBar;
+}
+
+- (void)hideKeyboard
+{
+    [TFKeyboardManager hideKeyboard];
+}
+
+ (void)hideKeyboard
+{
+    [[UIApplication sharedApplication] sendAction:@selector(resignFirstResponder) to:nil from:nil forEvent:nil];
+}
+
+- (void)dealloc
+{
+    [self stopKeyboardObserver];
+}
+@end