ScriptEventListener.cpp [plain text]
#include "config.h"
#include "ScriptEventListener.h"
#include "Attribute.h"
#include "Document.h"
#include "EventListener.h"
#include "JSNode.h"
#include "Frame.h"
#include <runtime/JSLock.h>
using namespace JSC;
namespace WebCore {
static const String& eventParameterName(bool isSVGEvent)
{
DEFINE_STATIC_LOCAL(const String, eventString, ("event"));
DEFINE_STATIC_LOCAL(const String, evtString, ("evt"));
return isSVGEvent ? evtString : eventString;
}
PassRefPtr<JSLazyEventListener> createAttributeEventListener(Node* node, Attribute* attr)
{
ASSERT(node);
ASSERT(attr);
if (attr->isNull())
return 0;
int lineNumber = 1;
String sourceURL;
if (Frame* frame = node->document()->frame()) {
ScriptController* scriptController = frame->script();
if (!scriptController->canExecuteScripts(AboutToExecuteScript))
return 0;
lineNumber = scriptController->eventHandlerLineNumber();
sourceURL = node->document()->url().string();
}
return JSLazyEventListener::create(attr->localName().string(), eventParameterName(node->isSVGElement()), attr->value(), node, sourceURL, lineNumber, 0, mainThreadNormalWorld());
}
PassRefPtr<JSLazyEventListener> createAttributeEventListener(Frame* frame, Attribute* attr)
{
if (!frame)
return 0;
ASSERT(attr);
if (attr->isNull())
return 0;
int lineNumber = 1;
String sourceURL;
ScriptController* scriptController = frame->script();
if (!scriptController->canExecuteScripts(AboutToExecuteScript))
return 0;
lineNumber = scriptController->eventHandlerLineNumber();
sourceURL = frame->document()->url().string();
JSObject* wrapper = toJSDOMWindow(frame, mainThreadNormalWorld());
return JSLazyEventListener::create(attr->localName().string(), eventParameterName(frame->document()->isSVGDocument()), attr->value(), 0, sourceURL, lineNumber, wrapper, mainThreadNormalWorld());
}
String eventListenerHandlerBody(Document* document, EventListener* eventListener)
{
const JSEventListener* jsListener = JSEventListener::cast(eventListener);
if (!jsListener)
return "";
JSC::JSObject* jsFunction = jsListener->jsFunction(document);
if (!jsFunction)
return "";
return ustringToString(jsFunction->toString(scriptStateFromNode(jsListener->isolatedWorld(), document)));
}
bool eventListenerHandlerLocation(Document*, EventListener*, String&, int&)
{
return false;
}
}