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      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