1 /* 2 * Copyright (C) 2003, 2004, 2005 Apple Computer, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #import <Cocoa/Cocoa.h> 30 31 @class NSError; 32 @class WebDataSource; 33 34 /*! 35 @protocol WebDocumentView 36 @discussion Protocol implemented by the document view of WebFrameView 37 */ 38 @protocol WebDocumentView <NSObject> 39 40 /*! 41 @method setDataSource: 42 @abstract Called when the corresponding data source has been created. 43 @param dataSource The corresponding data source. 44 */ 45 - (void)setDataSource:(WebDataSource *)dataSource; 46 47 /*! 48 @method dataSourceUpdated: 49 @abstract Called when the corresponding data source has received data. 50 @param dataSource The corresponding data source. 51 */ 52 - (void)dataSourceUpdated:(WebDataSource *)dataSource; 53 54 /*! 55 @method setNeedsLayout: 56 @discussion Called when WebKit has determined that the document view needs to layout. 57 This method should simply set a flag and call layout from drawRect if the flag is YES. 58 @param flag YES to cause a layout, no to not cause a layout. 59 */ 60 - (void)setNeedsLayout:(BOOL)flag; 61 62 /*! 63 @method layout 64 @discussion Called when the document view must immediately layout. For simple views, 65 setting the frame is a sufficient implementation of this method. 66 */ 67 - (void)layout; 68 69 /*! 70 @method viewWillMoveToHostWindow: 71 @param hostWindow The host window for the document view. 72 @abstract Called before the host window is set on the parent web view. 73 */ 74 - (void)viewWillMoveToHostWindow:(NSWindow *)hostWindow; 75 76 /*! 77 @method viewDidMoveToHostWindow 78 @abstract Called after the host window is set on the parent web view. 79 */ 80 - (void)viewDidMoveToHostWindow; 81 82 @end 83 84 85 /*! 86 @protocol WebDocumentSearching 87 @discussion Optional protocol for searching document view of WebFrameView. 88 */ 89 @protocol WebDocumentSearching <NSObject> 90 /*! 91 @method searchFor:direction:caseSensitive:wrap: 92 @abstract Searches a document view for a string and highlights the string if it is found. 93 @param string The string to search for. 94 @param forward YES to search forward, NO to seach backwards. 95 @param caseFlag YES to for case-sensitive search, NO for case-insensitive search. 96 @param wrapFlag YES to wrap around, NO to avoid wrapping. 97 @result YES if found, NO if not found. 98 */ 99 - (BOOL)searchFor:(NSString *)string direction:(BOOL)forward caseSensitive:(BOOL)caseFlag wrap:(BOOL)wrapFlag; 100 @end 101 102 103 /*! 104 @protocol WebDocumentText 105 @discussion Optional protocol for supporting text operations. 106 */ 107 @protocol WebDocumentText <NSObject> 108 109 /*! 110 @method supportsTextEncoding 111 @result YES if the document view support text encoding, NO if it doesn't. 112 */ 113 - (BOOL)supportsTextEncoding; 114 115 /*! 116 @method string 117 @result String that represents the entire document. 118 */ 119 - (NSString *)string; 120 121 /*! 122 @method attributedString 123 @result Attributed string that represents the entire document. 124 */ 125 - (NSAttributedString *)attributedString; 126 127 /*! 128 @method selectedString 129 @result String that represents the current selection. 130 */ 131 - (NSString *)selectedString; 132 133 /*! 134 @method selectedAttributedString 135 @result Attributed string that represents the current selection. 136 */ 137 - (NSAttributedString *)selectedAttributedString; 138 139 140 /*! 141 @method selectAll 142 @abstract Selects all the text in the document. 143 */ 144 - (void)selectAll; 145 146 /*! 147 @method deselectText 148 @abstract Causes a text selection to lose its selection. 149 */ 150 - (void)deselectAll; 151 152 @end 153 154 155 /*! 156 @protocol WebDocumentRepresentation 157 @discussion Protocol implemented by the document representation of a data source. 158 */ 159 @protocol WebDocumentRepresentation <NSObject> 160 /*! 161 @method setDataSource: 162 @abstract Called soon after the document representation is created. 163 @param dataSource The data source that is set. 164 */ 165 - (void)setDataSource:(WebDataSource *)dataSource; 166 167 /*! 168 @method receivedData:withDataSource: 169 @abstract Called when the data source has received data. 170 @param data The data that the data source has received. 171 @param dataSource The data source that has received data. 172 */ 173 - (void)receivedData:(NSData *)data withDataSource:(WebDataSource *)dataSource; 174 175 /*! 176 @method receivedError:withDataSource: 177 @abstract Called when the data source has received an error. 178 @param error The error that the data source has received. 179 @param dataSource The data source that has received the error. 180 */ 181 - (void)receivedError:(NSError *)error withDataSource:(WebDataSource *)dataSource; 182 183 /*! 184 @method finishedLoadingWithDataSource: 185 @abstract Called when the data source has finished loading. 186 @param dataSource The datasource that has finished loading. 187 */ 188 - (void)finishedLoadingWithDataSource:(WebDataSource *)dataSource; 189 190 /*! 191 @method canProvideDocumentSource 192 @result Returns true if the representation can provide document source. 193 */ 194 - (BOOL)canProvideDocumentSource; 195 196 /*! 197 @method documentSource 198 @result Returns the textual source representation of the document. For HTML documents 199 this is the original HTML source. 200 */ 201 - (NSString *)documentSource; 202 203 /*! 204 @method title 205 @result Return the title for the document. 206 */ 207 - (NSString *)title; 208 209 @end 210