2 * Copyright (C) 2006 Apple Computer, 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
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.
30 #import "NavigationController.h"
32 #import <WebKit/WebFrame.h>
33 #import <WebKit/WebScriptObject.h>
36 @implementation NavigationController
37 + (BOOL)isSelectorExcludedFromWebScript:(SEL)selector
39 if (selector == @selector(evaluateWebScript:afterBackForwardNavigation:))
44 + (NSString *)webScriptNameForSelector:(SEL)selector
46 if (selector == @selector(evaluateWebScript:afterBackForwardNavigation:))
47 return @"evalAfterBackForwardNavigation";
51 - (void)setPendingScript:(NSString *)script
53 if (script != pendingScript) {
54 [pendingScript release];
55 pendingScript = [script copy];
59 - (void)setPendingRequest:(NSURLRequest *)request
61 if (request != pendingRequest) {
62 [pendingRequest release];
63 pendingRequest = [request copy];
67 - (void)evaluateWebScript:(NSString *)script afterBackForwardNavigation:(NSString *)navigation
69 // Allow both arguments to be optional
70 if (![script isKindOfClass:[NSString class]])
72 if (![navigation isKindOfClass:[NSString class]])
73 navigation = @"about:blank";
75 [self setPendingScript:script];
76 [self setPendingRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:navigation]]];
80 - (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
82 if (frame == [[frame webView] mainFrame]) {
83 switch (pendingAction) {
85 pendingAction = GoBack;
86 [frame loadRequest:pendingRequest];
87 [self setPendingRequest:nil];
90 pendingAction = ExecuteScript;
91 [[frame webView] goBack];
95 [[[frame webView] windowScriptObject] evaluateWebScript:pendingScript];
96 [self setPendingScript:nil];
107 [self setPendingScript:nil];
108 [self setPendingRequest:nil];