WorkerMessagingProxy.h [plain text]
#ifndef WorkerMessagingProxy_h
#define WorkerMessagingProxy_h
#if ENABLE(WORKERS)
#include "ScriptExecutionContext.h"
#include <wtf/Noncopyable.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class ScriptExecutionContext;
class String;
class Worker;
class WorkerTask;
class WorkerThread;
class WorkerMessagingProxy : Noncopyable {
public:
WorkerMessagingProxy(PassRefPtr<ScriptExecutionContext>, Worker*);
void postMessageToWorkerObject(const String& message);
void postMessageToWorkerContext(const String& message);
void postTaskToParentContext(PassRefPtr<ScriptExecutionContext::Task>);
void postWorkerException(const String& errorMessage, int lineNumber, const String& sourceURL);
void workerThreadCreated(PassRefPtr<WorkerThread>);
void workerObjectDestroyed();
void workerContextDestroyed();
void terminate();
void confirmWorkerThreadMessage(bool hasPendingActivity);
void reportWorkerThreadActivity(bool hasPendingActivity);
bool workerThreadHasPendingActivity() const;
private:
friend class GenericWorkerTaskBase;
friend class MessageWorkerTask;
friend class WorkerContextDestroyedTask;
friend class WorkerExceptionTask;
friend class WorkerThreadActivityReportTask;
~WorkerMessagingProxy();
void workerContextDestroyedInternal();
void reportWorkerThreadActivityInternal(bool confirmingMessage, bool hasPendingActivity);
Worker* workerObject() const { return m_workerObject; }
bool askedToTerminate() { return m_askedToTerminate; }
RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
Worker* m_workerObject;
RefPtr<WorkerThread> m_workerThread;
unsigned m_unconfirmedMessageCount; bool m_workerThreadHadPendingActivity;
bool m_askedToTerminate;
Vector<RefPtr<WorkerTask> > m_queuedEarlyTasks; };
}
#endif // ENABLE(WORKERS)
#endif // WorkerMessagingProxy_h