/*

 * Copyright (C) 2007 Apple 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 "ObjCController.h"

#import <JavaScriptCore/Assertions.h>

#import <WebKit/WebScriptObject.h>

#import <WebKit/WebView.h>

#import <WebKit/DOMAbstractView.h>

@implementation ObjCController

+ (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector

{

    if (0

            || aSelector == @selector(classNameOf:)

            || aSelector == @selector(objectOfClass:)

            || aSelector == @selector(identityIsEqual::)

            || aSelector == @selector(longLongRoundTrip:)

            || aSelector == @selector(unsignedLongLongRoundTrip:)

            || aSelector == @selector(testWrapperRoundTripping:)

            || aSelector == @selector(accessStoredWebScriptObject)

            || aSelector == @selector(storeWebScriptObject:)

        )

        return NO;

    return YES;

}

+ (NSString *)webScriptNameForSelector:(SEL)aSelector

{

    if (aSelector == @selector(classNameOf:))

        return @"className";

    if (aSelector == @selector(objectOfClass:))

        return @"objectOfClass";

    if (aSelector == @selector(identityIsEqual::))

        return @"identityIsEqual";

    if (aSelector == @selector(longLongRoundTrip:))

        return @"longLongRoundTrip";

    if (aSelector == @selector(unsignedLongLongRoundTrip:))

        return @"unsignedLongLongRoundTrip";

    if (aSelector == @selector(testWrapperRoundTripping:))

        return @"testWrapperRoundTripping";

    if (aSelector == @selector(storeWebScriptObject:))

        return @"storeWebScriptObject";

    return nil;

}

- (NSString *)classNameOf:(id)object

{

    if (!object)

        return @"nil";

    return NSStringFromClass([object class]);

}

- (id)objectOfClass:(NSString *)aClass

{

    if ([aClass isEqualToString:@"NSNull"])

        return [NSNull null];

    if ([aClass isEqualToString:@"WebUndefined"])

        return [WebUndefined undefined];

    if ([aClass isEqualToString:@"NSCFBoolean"])

        return [NSNumber numberWithBool:true];

    if ([aClass isEqualToString:@"NSCFNumber"])

        return [NSNumber numberWithInt:1];

    if ([aClass isEqualToString:@"NSCFString"])

        return @"";

    if ([aClass isEqualToString:@"WebScriptObject"])

        return self;

    if ([aClass isEqualToString:@"NSArray"])

        return [NSArray array];

    return nil;

}

- (BOOL)identityIsEqual:(WebScriptObject *)a :(WebScriptObject *)b

{

    return a == b;

}

- (long long)longLongRoundTrip:(long long)num

{

    return num;

}

- (unsigned long long)unsignedLongLongRoundTrip:(unsigned long long)num

{

    return num;

}

- (BOOL)testWrapperRoundTripping:(WebScriptObject *)webScriptObject

{

    JSObjectRef jsObject = [webScriptObject JSObject];

    if (!jsObject)

        return false;

    if (!webScriptObject)

        return false;

    if ([[webScriptObject evaluateWebScript:@"({ })"] class] != [webScriptObject class])

        return false;

    [webScriptObject setValue:[NSNumber numberWithInt:666] forKey:@"key"];

    if (![[webScriptObject valueForKey:@"key"] isKindOfClass:[NSNumber class]] ||

        ![[webScriptObject valueForKey:@"key"] isEqualToNumber:[NSNumber numberWithInt:666]])

        return false;

    [webScriptObject removeWebScriptKey:@"key"];

    @try {

        if ([webScriptObject valueForKey:@"key"])

            return false;

    } @catch(NSException *exception) {

        // NSObject throws an exception if the key doesn't exist.

    }

    [webScriptObject setWebScriptValueAtIndex:0 value:webScriptObject];

    if ([webScriptObject webScriptValueAtIndex:0] != webScriptObject)

        return false;

    if ([[webScriptObject stringRepresentation] isEqualToString:@"[Object object]"])

        return false;

    if ([webScriptObject callWebScriptMethod:@"returnThis" withArguments:nil] != webScriptObject)

        return false;

    return true;

}

- (void)accessStoredWebScriptObject

{

#if !ASSERT_DISABLED

    BOOL isWindowObject = [storedWebScriptObject isKindOfClass:[DOMAbstractView class]];

#endif

    JSObjectRef jsObject = [storedWebScriptObject JSObject];

    ASSERT((jsObject && isWindowObject) || (!jsObject && !isWindowObject));

    [storedWebScriptObject callWebScriptMethod:@"" withArguments:nil];

    [storedWebScriptObject evaluateWebScript:@""];

    [storedWebScriptObject setValue:[WebUndefined undefined] forKey:@"key"];

    [storedWebScriptObject valueForKey:@"key"];

    [storedWebScriptObject removeWebScriptKey:@"key"];

    [storedWebScriptObject stringRepresentation];

    [storedWebScriptObject webScriptValueAtIndex:0];

    [storedWebScriptObject setWebScriptValueAtIndex:0 value:[WebUndefined undefined]];

    [storedWebScriptObject setException:@"exception"];

}

- (void)storeWebScriptObject:(WebScriptObject *)webScriptObject

{

    if (webScriptObject == storedWebScriptObject)

        return;

    [storedWebScriptObject release];

    storedWebScriptObject = [webScriptObject retain];

}

- (void)dealloc

{

    [storedWebScriptObject release];

    [super dealloc];

}

- (id)invokeUndefinedMethodFromWebScript:(NSString *)name withArguments:(NSArray *)args

{

    // FIXME: Perhaps we should log that this has been called.

    return nil;

}

@end