/*
* Copyright (C) 2004, 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 "DOMInternal.h"
#import "Document.h"
#import "Event.h"
#import "FrameMac.h"
#import "Range.h"
#import "kjs_dom.h"
#import "kjs_proxy.h"
#import "WebScriptObjectPrivate.h"
#import "XPathEvaluator.h"
#import "WebCoreThread.h"
#import "ThreadSafeWrapper.h"
using namespace WebCore;
using KJS::ExecState;
using KJS::Interpreter;
using KJS::JSObject;
using KJS::Bindings::RootObject;
//------------------------------------------------------------------------------------------
// Wrapping khtml implementation objects
NSObject* getDOMWrapper(DOMObjectInternal* impl)
{
ASSERT_WITH_MESSAGE(!WebThreadIsEnabled() || WebThreadIsLocked(), "DOM wrapper cache accessed without web lock");
WebThreadContext *threadContext = WebThreadCurrentContext();
if (!threadContext->DOMWrapperCache)
return nil;
return ((HashMap<DOMObjectInternal*, NSObject*>*)threadContext->DOMWrapperCache)->get(impl);
}
void addDOMWrapper(NSObject* wrapper, DOMObjectInternal* impl)
{
ASSERT_WITH_MESSAGE(!WebThreadIsEnabled() || WebThreadIsLocked(), "DOM wrapper cache accessed without web lock");
WebThreadContext *threadContext = WebThreadCurrentContext();
if (!threadContext->DOMWrapperCache)
threadContext->DOMWrapperCache = new HashMap<DOMObjectInternal*, NSObject*>;
((HashMap<DOMObjectInternal*, NSObject*>*)threadContext->DOMWrapperCache)->set(impl, wrapper);
}
void removeDOMWrapper(DOMObjectInternal* impl)
{
ASSERT_WITH_MESSAGE(!WebThreadIsEnabled() || WebThreadIsLocked(), "DOM wrapper cache accessed without web lock");
WebThreadContext *threadContext = WebThreadCurrentContext();
if (!threadContext->DOMWrapperCache)
return;
((HashMap<DOMObjectInternal*, NSObject*>*)threadContext->DOMWrapperCache)->remove(impl);
}
//------------------------------------------------------------------------------------------
// Exceptions
NSString * const DOMException = @"DOMException";
NSString * const DOMRangeException = @"DOMRangeException";
NSString * const DOMEventException = @"DOMEventException";
#if XPATH_SUPPORT
NSString * const DOMXPathException = @"DOMXPathException";
#endif // XPATH_SUPPORT
void raiseDOMException(ExceptionCode ec)
{
ASSERT(ec);
NSString *name = ::DOMException;
int code = ec;
if (ec >= RangeExceptionOffset && ec <= RangeExceptionMax) {
name = DOMRangeException;
code -= RangeExceptionOffset;
} else if (ec >= EventExceptionOffset && ec <= EventExceptionMax) {
name = DOMEventException;
code -= EventExceptionOffset;
#if XPATH_SUPPORT
} else if (ec >= XPathExceptionOffset && ec <= XPathExceptionMax) {
name = DOMXPathException;
code -= XPathExceptionOffset;
#endif // XPATH_SUPPORT
}
NSString *reason = [NSString stringWithFormat:@"*** Exception received from DOM API: %d", code];
NSException *exception = [NSException exceptionWithName:name reason:reason
userInfo:[NSDictionary dictionaryWithObject:[NSNumber numberWithInt:code] forKey:name]];
[exception raise];
}
//------------------------------------------------------------------------------------------
// String/NSString bridging
String::String(NSString* str)
{
if (!str)
return;
CFIndex size = CFStringGetLength(reinterpret_cast<CFStringRef>(str));
if (size == 0)
m_impl = StringImpl::empty();
else {
Vector<UChar, 1024> buffer(size);
CFStringGetCharacters(reinterpret_cast<CFStringRef>(str), CFRangeMake(0, size), buffer.data());
m_impl = new StringImpl(buffer.data(), size);
}
}
String::String(CFStringRef str)
{
if (!str)
return;
CFIndex size = CFStringGetLength(str);
if (size == 0)
m_impl = StringImpl::empty();
else {
Vector<UChar, 1024> buffer(size);
CFStringGetCharacters(str, CFRangeMake(0, size), buffer.data());
m_impl = new StringImpl(buffer.data(), size);
}
}
//------------------------------------------------------------------------------------------
@implementation WebScriptObject (WebScriptObjectInternal)
// Only called by DOMObject subclass.
- _init
{
self = [super init];
if (![self isKindOfClass:[DOMObject class]]) {
[NSException raise:NSGenericException format:@"+%@: _init is an internal initializer", [self class]];
return nil;
}
_private = [[WebScriptObjectPrivate alloc] init];
_private->isCreatedByDOMWrapper = YES;
return self;
}
- (void)_initializeScriptDOMNodeImp
{
assert (_private->isCreatedByDOMWrapper);
if (![self isKindOfClass:[DOMNode class]]) {
// DOMObject can't map back to a document, and thus an interpreter,
// so for now only create wrappers for DOMNodes.
NSLog(@"%s:%d: We don't know how to create ObjC JS wrappers from DOMObjects yet.", __FILE__, __LINE__);
return;
}
// Extract the WebCore::Node from the ObjectiveC wrapper.
DOMNode *n = (DOMNode *)self;
Node *nodeImpl = [n _node];
// Dig up Interpreter and ExecState.
Frame *frame = nodeImpl->document()->frame();
Interpreter *interpreter = frame->jScript()->interpreter();
ExecState *exec = interpreter->globalExec();
// Get (or create) a cached JS object for the DOM node.
JSObject *scriptImp = static_cast<JSObject *>(toJS(exec, nodeImpl));
const RootObject *executionContext = Mac(frame)->bindingRootObject();
[self _initializeWithObjectImp:scriptImp originExecutionContext:executionContext executionContext:executionContext];
}
@end