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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_COMMON_SPEECH_INPUT_MESSAGES_H_
#define CHROME_COMMON_SPEECH_INPUT_MESSAGES_H_
#pragma once
#include "chrome/common/speech_input_result.h"
#include "gfx/rect.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_param_traits.h"
#define IPC_MESSAGE_START SpeechInputMsgStart
namespace speech_input {
struct SpeechInputResultItem;
}
// Used to start a speech recognition session.
struct SpeechInputHostMsg_StartRecognition_Params {
SpeechInputHostMsg_StartRecognition_Params();
~SpeechInputHostMsg_StartRecognition_Params();
int render_view_id; // The render view requesting speech recognition.
int request_id; // Request ID used within the render view.
gfx::Rect element_rect; // Position of the UI element in page coordinates.
std::string language; // Language to use for speech recognition.
std::string grammar; // Speech grammar given by the speech input element.
std::string origin_url; // URL of the page (or iframe if applicable).
};
namespace IPC {
template <>
struct ParamTraits<speech_input::SpeechInputResultItem> {
typedef speech_input::SpeechInputResultItem param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* p);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<SpeechInputHostMsg_StartRecognition_Params> {
typedef SpeechInputHostMsg_StartRecognition_Params param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* p);
static void Log(const param_type& p, std::string* l);
};
} // namespace IPC
// Speech input messages sent from the renderer to the browser.
// Requests the speech input service to start speech recognition on behalf of
// the given |render_view_id|.
IPC_MESSAGE_CONTROL1(SpeechInputHostMsg_StartRecognition,
SpeechInputHostMsg_StartRecognition_Params)
// Requests the speech input service to cancel speech recognition on behalf of
// the given |render_view_id|. If speech recognition is not happening or
// is happening on behalf of some other render view, this call does nothing.
IPC_MESSAGE_CONTROL2(SpeechInputHostMsg_CancelRecognition,
int /* render_view_id */,
int /* request_id */)
// Requests the speech input service to stop audio recording on behalf of
// the given |render_view_id|. Any audio recorded so far will be fed to the
// speech recognizer. If speech recognition is not happening nor or is
// happening on behalf of some other render view, this call does nothing.
IPC_MESSAGE_CONTROL2(SpeechInputHostMsg_StopRecording,
int /* render_view_id */,
int /* request_id */)
// Speech input messages sent from the browser to the renderer.
// Relay a speech recognition result, either partial or final.
IPC_MESSAGE_ROUTED2(SpeechInputMsg_SetRecognitionResult,
int /* request_id */,
speech_input::SpeechInputResultArray /* result */)
// Indicate that speech recognizer has stopped recording and started
// recognition.
IPC_MESSAGE_ROUTED1(SpeechInputMsg_RecordingComplete,
int /* request_id */)
// Indicate that speech recognizer has completed recognition. This will be
// the last message sent in response to a
// ViewHostMsg_SpeechInput_StartRecognition.
IPC_MESSAGE_ROUTED1(SpeechInputMsg_RecognitionComplete,
int /* request_id */)
#endif // CHROME_COMMON_SPEECH_INPUT_MESSAGES_H_
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