ScriptExecutionContext.h [plain text]
#ifndef ScriptExecutionContext_h
#define ScriptExecutionContext_h
#include "Console.h"
#include "KURL.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class ActiveDOMObject;
class DOMTimer;
class MessagePort;
class SecurityOrigin;
class ScriptString;
class String;
enum MessageDestination {
InspectorControllerDestination,
ConsoleDestination,
};
class ScriptExecutionContext {
public:
ScriptExecutionContext();
virtual ~ScriptExecutionContext();
virtual bool isDocument() const { return false; }
virtual bool isWorkerContext() const { return false; }
const KURL& url() const { return virtualURL(); }
KURL completeURL(const String& url) const { return virtualCompleteURL(url); }
virtual String userAgent(const KURL&) const = 0;
SecurityOrigin* securityOrigin() const { return m_securityOrigin.get(); }
virtual void reportException(const String& errorMessage, int lineNumber, const String& sourceURL) = 0;
virtual void addMessage(MessageDestination, MessageSource, MessageLevel, const String& message, unsigned lineNumber, const String& sourceURL) = 0;
virtual void resourceRetrievedByXMLHttpRequest(unsigned long identifier, const ScriptString& sourceString) = 0;
virtual void scriptImported(unsigned long, const String&) = 0;
bool canSuspendActiveDOMObjects();
void suspendActiveDOMObjects();
void resumeActiveDOMObjects();
void stopActiveDOMObjects();
void createdActiveDOMObject(ActiveDOMObject*, void* upcastPointer);
void destroyedActiveDOMObject(ActiveDOMObject*);
typedef const HashMap<ActiveDOMObject*, void*> ActiveDOMObjectsMap;
ActiveDOMObjectsMap& activeDOMObjects() const { return m_activeDOMObjects; }
void processMessagePortMessagesSoon();
void dispatchMessagePortEvents();
void createdMessagePort(MessagePort*);
void destroyedMessagePort(MessagePort*);
const HashSet<MessagePort*>& messagePorts() const { return m_messagePorts; }
void ref() { refScriptExecutionContext(); }
void deref() { derefScriptExecutionContext(); }
class Task : public ThreadSafeShared<Task> {
public:
virtual ~Task();
virtual void performTask(ScriptExecutionContext*) = 0;
};
virtual void postTask(PassRefPtr<Task>) = 0;
void addTimeout(int timeoutId, DOMTimer*);
void removeTimeout(int timeoutId);
DOMTimer* findTimeout(int timeoutId);
protected:
void setSecurityOrigin(PassRefPtr<SecurityOrigin>);
private:
virtual const KURL& virtualURL() const = 0;
virtual KURL virtualCompleteURL(const String&) const = 0;
RefPtr<SecurityOrigin> m_securityOrigin;
HashSet<MessagePort*> m_messagePorts;
HashMap<ActiveDOMObject*, void*> m_activeDOMObjects;
HashMap<int, DOMTimer*> m_timeouts;
virtual void refScriptExecutionContext() = 0;
virtual void derefScriptExecutionContext() = 0;
};
}
#endif // ScriptExecutionContext_h