/*

 * Copyright (C) 2004 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 <Cocoa/Cocoa.h>

/*!

    @constant WebPlugInBaseURLKey REQUIRED. The base URL of the document containing

    the plug-in's view.

*/

extern NSString *WebPlugInBaseURLKey;

/*!

    @constant WebPlugInAttributesKey REQUIRED. The dictionary containing the names

    and values of all attributes of the HTML element associated with the plug-in AND

    the names and values of all parameters to be passed to the plug-in (e.g. PARAM

    elements within an APPLET element). In the case of a conflict between names,

    the attributes of an element take precedence over any PARAMs.  All of the keys

    and values in this NSDictionary must be NSStrings.

*/

extern NSString *WebPlugInAttributesKey;

/*!

    @constant WebPlugInContainer OPTIONAL. An object that conforms to the

    WebPlugInContainer informal protocol. This object is used for

    callbacks from the plug-in to the app. if this argument is nil, no callbacks will

    occur.

*/

extern NSString *WebPlugInContainerKey;

/*!

    @constant WebPlugInContainingElementKey The DOMElement that was used to specify

    the plug-in.  May be nil.

*/

extern NSString *WebPlugInContainingElementKey;

/*!

    @protocol WebPlugInViewFactory

    @discussion WebPlugInViewFactory are used to create the NSView for a plug-in.

    The principal class of the plug-in bundle must implement this protocol.

*/

@protocol WebPlugInViewFactory <NSObject>

/*!

    @method plugInViewWithArguments: 

    @param arguments The arguments dictionary with the mentioned keys and objects. This method is required to implement.

    @result Returns an NSView object that conforms to the WebPlugIn informal protocol.

*/

+ (NSView *)plugInViewWithArguments:(NSDictionary *)arguments;

@end