#ifndef SpellChecker_h
#define SpellChecker_h
#include "Element.h"
#include "PlatformString.h"
#include "Range.h"
#include "TextChecking.h"
#include "Timer.h"
#include <wtf/Deque.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Noncopyable.h>
#include <wtf/Vector.h>
namespace WebCore {
class Frame;
class Node;
class TextCheckerClient;
struct TextCheckingResult;
class SpellCheckRequest : public RefCounted<SpellCheckRequest> {
public:
SpellCheckRequest(int sequence, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType);
~SpellCheckRequest();
static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange);
TextCheckingRequest textCheckingRequest() const;
void setSequence(int sequence) { m_sequence = sequence; }
int sequence() const { return m_sequence; }
PassRefPtr<Range> checkingRange() const { return m_checkingRange; }
PassRefPtr<Range> paragraphRange() const { return m_paragraphRange; }
const String& text() const { return m_text; }
TextCheckingTypeMask mask() const { return m_mask; }
TextCheckingProcessType processType() const { return m_processType; }
PassRefPtr<Element> rootEditableElement() const { return m_rootEditableElement; }
private:
int m_sequence;
String m_text;
TextCheckingTypeMask m_mask;
TextCheckingProcessType m_processType;
RefPtr<Range> m_checkingRange;
RefPtr<Range> m_paragraphRange;
RefPtr<Element> m_rootEditableElement;
};
class SpellChecker {
WTF_MAKE_NONCOPYABLE(SpellChecker);
public:
explicit SpellChecker(Frame*);
~SpellChecker();
bool isAsynchronousEnabled() const;
bool isCheckable(Range*) const;
void requestCheckingFor(PassRefPtr<SpellCheckRequest>);
void didCheckSucceeded(int sequence, const Vector<TextCheckingResult>&);
void didCheckCanceled(int sequence);
int lastRequestSequence() const
{
return m_lastRequestSequence;
}
int lastProcessedSequence() const
{
return m_lastProcessedSequence;
}
private:
typedef Deque<RefPtr<SpellCheckRequest> > RequestQueue;
bool canCheckAsynchronously(Range*) const;
TextCheckerClient* client() const;
void timerFiredToProcessQueuedRequest(Timer<SpellChecker>*);
void invokeRequest(PassRefPtr<SpellCheckRequest>);
void enqueueRequest(PassRefPtr<SpellCheckRequest>);
void didCheck(int sequence, const Vector<TextCheckingResult>&);
Frame* m_frame;
int m_lastRequestSequence;
int m_lastProcessedSequence;
Timer<SpellChecker> m_timerToProcessQueuedRequest;
RefPtr<SpellCheckRequest> m_processingRequest;
RequestQueue m_requestQueue;
};
inline TextCheckingRequest SpellCheckRequest::textCheckingRequest() const
{
return TextCheckingRequest(m_sequence, m_text, m_mask, m_processType);
}
}
#endif // SpellChecker_h