1/*
2 * Copyright (C) 2005, 2006 Apple 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 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 <Foundation/Foundation.h>
30
31#if !TARGET_OS_IPHONE
32#import <AppKit/AppKit.h>
33#else
34#import <WebKitLegacy/WAKAppKitStubs.h>
35#import <WebKitLegacy/WAKView.h>
36#endif
37
38#define WebDragImageAlpha 0.75f
39
40@class DOMElement;
41@class WebFrameView;
42@class WebView;
43
44@interface NSView (WebExtras)
45
46// Returns the nearest enclosing view of the given class, or nil if none.
47- (NSView *)_web_superviewOfClass:(Class)viewClass;
48- (WebFrameView *)_web_parentWebFrameView;
49#if !TARGET_OS_IPHONE
50- (WebView *)_webView;
51#endif
52
53#if !TARGET_OS_IPHONE
54// returns whether a drag should begin starting with mouseDownEvent; if the time
55// passes expiration or the mouse moves less than the hysteresis before the mouseUp event,
56// returns NO, else returns YES.
57- (BOOL)_web_dragShouldBeginFromMouseDown:(NSEvent *)mouseDownEvent
58                           withExpiration:(NSDate *)expiration
59                              xHysteresis:(float)xHysteresis
60                              yHysteresis:(float)yHysteresis;
61
62// Calls _web_dragShouldBeginFromMouseDown:withExpiration:xHysteresis:yHysteresis: with
63// the default values for xHysteresis and yHysteresis
64- (BOOL)_web_dragShouldBeginFromMouseDown:(NSEvent *)mouseDownEvent
65                           withExpiration:(NSDate *)expiration;
66
67// Convenience method. Returns NSDragOperationCopy if _web_bestURLFromPasteboard doesn't return nil.
68// Returns NSDragOperationNone otherwise.
69- (NSDragOperation)_web_dragOperationForDraggingInfo:(id <NSDraggingInfo>)sender;
70
71// Resizes and applies alpha to image and drags it.
72- (void)_web_DragImageForElement:(DOMElement *)element
73                         rect:(NSRect)rect
74                        event:(NSEvent *)event
75                   pasteboard:(NSPasteboard *)pasteboard
76                       source:(id)source
77                       offset:(NSPoint *)dragImageOffset;
78#endif
79
80- (BOOL)_web_firstResponderIsSelfOrDescendantView;
81
82- (NSRect)_web_convertRect:(NSRect)aRect toView:(NSView *)aView;
83
84@end
85
86#if TARGET_OS_IPHONE
87@class WebFrame;
88@class WebView;
89
90@interface NSView (WebDocumentViewExtras)
91- (WebFrame *)_frame;
92- (WebView *)_webView;
93@end
94#endif
95