TTStyledNode.h

//
// Copyright 2009-2010 Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

@interface TTStyledNode : NSObject {
  TTStyledNode* _nextSibling;
  TTStyledNode* _parentNode;
}

@property (nonatomic, retain) TTStyledNode* nextSibling;
@property (nonatomic, assign) TTStyledNode* parentNode;
@property (nonatomic, readonly) NSString* outerText;
@property (nonatomic, readonly) NSString* outerHTML;

- (id)initWithNextSibling:(TTStyledNode*)nextSibling;

- (id)ancestorOrSelfWithClass:(Class)cls;

- (void) performDefaultAction;

@end

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@interface TTStyledTextNode : TTStyledNode {
  NSString* _text;
}

@property (nonatomic, retain) NSString* text;

- (id)initWithText:(NSString*)text;
- (id)initWithText:(NSString*)text next:(TTStyledNode*)nextSibling;

@end

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@interface TTStyledElement : TTStyledNode {
  TTStyledNode* _firstChild;
  TTStyledNode* _lastChild;
  NSString* _className;
}

@property (nonatomic, readonly) TTStyledNode* firstChild;
@property (nonatomic, readonly) TTStyledNode* lastChild;
@property (nonatomic, retain) NSString* className;

- (id)initWithText:(NSString*)text;
- (id)initWithText:(NSString*)text next:(TTStyledNode*)nextSibling;

- (void)addChild:(TTStyledNode*)child;
- (void)addText:(NSString*)text;
- (void)replaceChild:(TTStyledNode*)oldChild withChild:(TTStyledNode*)newChild;

- (TTStyledNode*)getElementByClassName:(NSString*)className;

@end

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@interface TTStyledBlock : TTStyledElement
@end

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@interface TTStyledInline : TTStyledElement
@end

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@interface TTStyledInlineBlock : TTStyledElement
@end

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@interface TTStyledBoldNode : TTStyledInline
@end

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@interface TTStyledItalicNode : TTStyledInline
@end

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@interface TTStyledLinkNode : TTStyledInline {
  NSString* _URL;
  BOOL _highlighted;
}

@property (nonatomic) BOOL highlighted;
@property (nonatomic, retain) NSString* URL;

- (id)initWithURL:(NSString*)URL;
- (id)initWithURL:(NSString*)URL next:(TTStyledNode*)nextSibling;
- (id)initWithText:(NSString*)text URL:(NSString*)URL next:(TTStyledNode*)nextSibling;

@end

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@interface TTStyledButtonNode : TTStyledInlineBlock {
  NSString* _URL;
  BOOL _highlighted;
}

@property (nonatomic) BOOL highlighted;
@property (nonatomic, retain) NSString* URL;

- (id)initWithURL:(NSString*)URL;
- (id)initWithURL:(NSString*)URL next:(TTStyledNode*)nextSibling;
- (id)initWithText:(NSString*)text URL:(NSString*)URL next:(TTStyledNode*)nextSibling;

@end

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@interface TTStyledImageNode : TTStyledElement {
  NSString* _URL;
  UIImage* _image;
  UIImage* _defaultImage;
  CGFloat _width;
  CGFloat _height;
}

@property (nonatomic, retain) NSString* URL;
@property (nonatomic, retain) UIImage* image;
@property (nonatomic, retain) UIImage* defaultImage;
@property (nonatomic) CGFloat width;
@property (nonatomic) CGFloat height;

- (id)initWithURL:(NSString*)URL;

@end

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@interface TTStyledLineBreakNode : TTStyledBlock
@end