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/*
* Copyright (C) 2006 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 "config.h"
#import "NavigationController.h"
#import <WebKit/WebFrame.h>
#import <WebKit/WebScriptObject.h>
@implementation NavigationController
+ (BOOL)isSelectorExcludedFromWebScript:(SEL)selector
{
if (selector == @selector(evaluateWebScript:afterBackForwardNavigation:))
return NO;
return YES;
}
+ (NSString *)webScriptNameForSelector:(SEL)selector
{
if (selector == @selector(evaluateWebScript:afterBackForwardNavigation:))
return @"evalAfterBackForwardNavigation";
return nil;
}
- (void)setPendingScript:(NSString *)script
{
if (script != pendingScript) {
[pendingScript release];
pendingScript = [script copy];
}
}
- (void)setPendingRequest:(NSURLRequest *)request
{
if (request != pendingRequest) {
[pendingRequest release];
pendingRequest = [request copy];
}
}
- (void)evaluateWebScript:(NSString *)script afterBackForwardNavigation:(NSString *)navigation
{
// Allow both arguments to be optional
if (![script isKindOfClass:[NSString class]])
script = @"";
if (![navigation isKindOfClass:[NSString class]])
navigation = @"about:blank";
[self setPendingScript:script];
[self setPendingRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:navigation]]];
pendingAction = Load;
}
- (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
{
if (frame == [[frame webView] mainFrame]) {
switch (pendingAction) {
case Load:
pendingAction = GoBack;
[frame loadRequest:pendingRequest];
[self setPendingRequest:nil];
break;
case GoBack:
pendingAction = ExecuteScript;
[[frame webView] goBack];
break;
case ExecuteScript:
pendingAction = None;
[[[frame webView] windowScriptObject] evaluateWebScript:pendingScript];
[self setPendingScript:nil];
break;
case None:
default:
break;
}
}
}
- (void)dealloc
{
[self setPendingScript:nil];
[self setPendingRequest:nil];
[super dealloc];
}
@end
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