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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
*
* 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 "AppleScriptController.h"
#import <WebKit/WebView.h>
#import <WebKit/WebViewPrivate.h> // for aeDescByEvaluatingJavaScriptFromString, which is pending API review
@implementation AppleScriptController
+ (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector
{
if (aSelector == @selector(doJavaScript:))
return NO;
return YES;
}
+ (NSString *)webScriptNameForSelector:(SEL)aSelector
{
if (aSelector == @selector(doJavaScript:))
return @"doJavaScript";
return nil;
}
- (id)initWithWebView:(WebView *)wv
{
self = [super init];
webView = wv;
return self;
}
static id convertAEDescToObject(NSAppleEventDescriptor *aeDesc)
{
id value = nil;
DescType descType = [aeDesc descriptorType];
switch (descType) {
case typeUnicodeText:
value = [NSString stringWithFormat:@"\"%@\"", [aeDesc stringValue]];
break;
case typeLongDateTime:
if ([[aeDesc data] length] == sizeof(LongDateTime)) {
LongDateTime d;
[[aeDesc data] getBytes:&d];
value = [NSString stringWithFormat:@"%016llX", (unsigned long long)d];
}
break;
case typeAEList:
value = [NSMutableString stringWithString:@"("];
int numItems = [aeDesc numberOfItems];
for (int i = 0; i < numItems; ++i) {
if (i != 0)
[(NSMutableString*)value appendString:@", "];
id obj = convertAEDescToObject([aeDesc descriptorAtIndex:(i + 1)]);
[(NSMutableString*)value appendString:[obj description]];
}
[(NSMutableString*)value appendString:@")"];
break;
case typeType: {
OSType type = [aeDesc typeCodeValue];
char typeStr[5];
typeStr[0] = type >> 24;
typeStr[1] = type >> 16;
typeStr[2] = type >> 8;
typeStr[3] = type;
typeStr[4] = 0;
value = [NSString stringWithFormat:@"'%s'", typeStr];
break;
}
}
if (!value)
value = [aeDesc stringValue];
if (!value)
value = [aeDesc data];
return value;
}
- (NSString *)doJavaScript:(NSString *)aString
{
NSAppleEventDescriptor *aeDesc = [webView aeDescByEvaluatingJavaScriptFromString:aString];
if (!aeDesc)
return @"(null)";
DescType descType = [aeDesc descriptorType];
char descTypeStr[5];
descTypeStr[0] = descType >> 24;
descTypeStr[1] = descType >> 16;
descTypeStr[2] = descType >> 8;
descTypeStr[3] = descType;
descTypeStr[4] = 0;
return [NSString stringWithFormat:@"%@ ('%s')", convertAEDescToObject(aeDesc), descTypeStr];
}
@end