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      1 /*
      2  * Copyright (C) 2003, 2004, 2005, 2006 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 WebDataSource;
     32 @class WebFrame;
     33 @class WebFrameViewPrivate;
     34 
     35 @protocol WebDocumentView;
     36 
     37 /*!
     38     @class WebFrameView
     39 */
     40 @interface WebFrameView : NSView
     41 {
     42 @private
     43     WebFrameViewPrivate *_private;
     44 }
     45 
     46 /*!
     47     @method webFrame
     48     @abstract Returns the WebFrame associated with this WebFrameView
     49     @result The WebFrameView's frame.
     50 */
     51 - (WebFrame *)webFrame;
     52 
     53 /*!
     54     @method documentView
     55     @abstract Returns the WebFrameView's document subview
     56     @result The subview that renders the WebFrameView's contents
     57 */
     58 - (NSView <WebDocumentView> *)documentView;
     59 
     60 /*!
     61     @method setAllowsScrolling:
     62     @abstract Sets whether the WebFrameView allows its document to be scrolled
     63     @param flag YES to allow the document to be scrolled, NO to disallow scrolling
     64 */
     65 - (void)setAllowsScrolling:(BOOL)flag;
     66 
     67 /*!
     68     @method allowsScrolling
     69     @abstract Returns whether the WebFrameView allows its document to be scrolled
     70     @result YES if the document is allowed to scroll, otherwise NO
     71 */
     72 - (BOOL)allowsScrolling;
     73 
     74 /*!
     75     @method canPrintHeadersAndFooters
     76     @abstract Tells whether this frame can print headers and footers
     77     @result YES if the frame can, no otherwise
     78 */
     79 - (BOOL)canPrintHeadersAndFooters;
     80 
     81 /*!
     82     @method printOperationWithPrintInfo
     83     @abstract Creates a print operation set up to print this frame
     84     @result A newly created print operation object
     85 */
     86 - (NSPrintOperation *)printOperationWithPrintInfo:(NSPrintInfo *)printInfo;
     87 
     88 /*!
     89     @method documentViewShouldHandlePrint
     90     @abstract Called by the host application before it initializes and runs a print operation.
     91     @result If NO is returned, the host application will abort its print operation and call -printDocumentView on the
     92     WebFrameView.  The document view is then expected to run its own print operation.  If YES is returned, the host
     93     application's print operation will continue as normal.
     94 */
     95 - (BOOL)documentViewShouldHandlePrint;
     96 
     97 /*!
     98     @method printDocumentView
     99     @abstract Called by the host application when the WebFrameView returns YES from -documentViewShouldHandlePrint.
    100 */
    101 - (void)printDocumentView;
    102 
    103 @end
    104