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#ifndef SpeechInputClient_h
#define SpeechInputClient_h
#include "wtf/Forward.h"
#if ENABLE(INPUT_SPEECH)
namespace WebCore {
class IntRect;
class SecurityOrigin;
class SpeechInputListener;
class Page;
// Provides an interface for SpeechInput to call into the embedder.
class SpeechInputClient {
public:
// This is the first call made by a listener, registering itself for future callbacks.
// When the listener no longer needs speech input (for e.g. when it gets destroyed),
// it should set a null listener to stop receiving callbacks.
// The client does not take ownership of the pointer.
virtual void setListener(SpeechInputListener*) = 0;
// Starts speech recognition and audio recording. elementRect is the position
// of the element where the user clicked in the RootView coordinate system.
virtual bool startRecognition(int requestId, const IntRect& elementRect, const AtomicString& language, const String& grammar, SecurityOrigin*) = 0;
// Stops audio recording and performs recognition with the audio recorded until now
// (does not discard audio).
virtual void stopRecording(int requestId) = 0;
// Cancels an ongoing recognition and discards any audio recorded so far. No partial
// recognition results are returned to the listener.
virtual void cancelRecognition(int requestId) = 0;
virtual ~SpeechInputClient() { }
};
void provideSpeechInputTo(Page&, PassOwnPtr<SpeechInputClient>);
} // namespace WebCore
#endif // ENABLE(INPUT_SPEECH)
#endif // SpeechInputClient_h