2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #import "WebNodeHighlighter.h"
31 #import "DOMNodeInternal.h"
32 #import "WebNodeHighlight.h"
33 #import "WebViewInternal.h"
34 #import <WebCore/Page.h>
36 @implementation WebNodeHighlighter
38 - (id)initWithInspectedWebView:(WebView *)webView
40 if (!(self = [super init]))
43 // Don't retain to avoid a circular reference.
44 _inspectedWebView = webView;
51 ASSERT(!_currentHighlight);
59 // The scrollview's content view stays around between page navigations, so target it.
60 NSView *view = [[[[[_inspectedWebView mainFrame] frameView] documentView] enclosingScrollView] contentView];
62 return; // Skip the highlight if we have no window (e.g. hidden tab).
64 if (!_currentHighlight) {
65 _currentHighlight = [[WebNodeHighlight alloc] initWithTargetView:view inspectorController:[_inspectedWebView page]->inspectorController()];
66 [_currentHighlight setDelegate:self];
67 [_currentHighlight attach];
69 [[_currentHighlight highlightView] setNeedsDisplay:YES];
74 [_currentHighlight detach];
75 [_currentHighlight setDelegate:nil];
76 [_currentHighlight release];
77 _currentHighlight = nil;
81 // MARK: WebNodeHighlight delegate
83 - (void)didAttachWebNodeHighlight:(WebNodeHighlight *)highlight
85 [_inspectedWebView setCurrentNodeHighlight:highlight];
88 - (void)willDetachWebNodeHighlight:(WebNodeHighlight *)highlight
90 [_inspectedWebView setCurrentNodeHighlight:nil];