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