/*
 * Copyright (C) 2005, 2006 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer. 
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution. 
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import <Foundation/Foundation.h>

@class DOMElement;
@class WebArchive;
@class WebHTMLView;

extern NSString *WebURLPboardType;
extern NSString *WebURLNamePboardType;

@interface NSPasteboard (WebExtras)

// Returns the array of types that _web_writeURL:andTitle: handles.
+ (NSArray *)_web_writableTypesForURL;

// Returns the array of types that _web_writeImage handles.
+ (NSArray *)_web_writableTypesForImageIncludingArchive:(BOOL)hasArchive;

// Returns the array of drag types that _web_bestURL handles; note that the presence
// of one or more of these drag types on the pasteboard is not a guarantee that
// _web_bestURL will return a non-nil result.
+ (NSArray *)_web_dragTypesForURL;

// Finds the best URL from the data on the pasteboard, giving priority to http and https URLs
- (NSURL *)_web_bestURL;

// Writes the URL to the pasteboard with the passed types.
- (void)_web_writeURL:(NSURL *)URL andTitle:(NSString *)title types:(NSArray *)types;

// Sets the text on the NSFindPboard. Returns the new changeCount for the NSFindPboard.
+ (int)_web_setFindPasteboardString:(NSString *)string withOwner:(id)owner;

// Writes a file wrapper to the pasteboard as an RTFD attachment.
// NSRTFDPboardType must be declared on the pasteboard before calling this method.
- (void)_web_writeFileWrapperAsRTFDAttachment:(NSFileWrapper *)wrapper;

// Writes an image, URL and other optional types to the pasteboard.
- (void)_web_writeImage:(NSImage *)image 
                element:(DOMElement*)element
                    URL:(NSURL *)URL 
                  title:(NSString *)title
                archive:(WebArchive *)archive
                  types:(NSArray *)types
                 source:(WebHTMLView *)source;

- (id)_web_declareAndWriteDragImageForElement:(DOMElement *)element
                                       URL:(NSURL *)URL 
                                     title:(NSString *)title
                                   archive:(WebArchive *)archive
                                    source:(WebHTMLView *)source;

- (void)_web_writePromisedRTFDFromArchive:(WebArchive*)archive containsImage:(BOOL)containsImage;

@end