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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/modules/speech/speech_recognition_controller.h"
#include <memory>
#include "third_party/blink/public/common/browser_interface_broker_proxy.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/modules/speech/speech_grammar_list.h"
#include "third_party/blink/renderer/modules/speech/speech_recognition.h"
namespace blink {
const char SpeechRecognitionController::kSupplementName[] =
"SpeechRecognitionController";
SpeechRecognitionController::SpeechRecognitionController(LocalFrame& frame)
: Supplement<LocalFrame>(frame) {}
SpeechRecognitionController::~SpeechRecognitionController() {
// FIXME: Call m_client->pageDestroyed(); once we have implemented a client.
}
SpeechRecognitionController* SpeechRecognitionController::Create(
LocalFrame& frame) {
return MakeGarbageCollected<SpeechRecognitionController>(frame);
}
void SpeechRecognitionController::Start(
mojo::PendingReceiver<mojom::blink::SpeechRecognitionSession>
session_receiver,
mojo::PendingRemote<mojom::blink::SpeechRecognitionSessionClient>
session_client,
const SpeechGrammarList& grammars,
const String& lang,
bool continuous,
bool interim_results,
uint32_t max_alternatives) {
mojom::blink::StartSpeechRecognitionRequestParamsPtr msg_params =
mojom::blink::StartSpeechRecognitionRequestParams::New();
for (unsigned i = 0; i < grammars.length(); i++) {
SpeechGrammar* grammar = grammars.item(i);
msg_params->grammars.push_back(mojom::blink::SpeechRecognitionGrammar::New(
grammar->src(), grammar->weight()));
}
msg_params->language = lang.IsNull() ? g_empty_string : lang;
msg_params->max_hypotheses = max_alternatives;
msg_params->continuous = continuous;
msg_params->interim_results = interim_results;
msg_params->client = std::move(session_client);
msg_params->session_receiver = std::move(session_receiver);
GetSpeechRecognizer()->Start(std::move(msg_params));
}
void ProvideSpeechRecognitionTo(LocalFrame& frame) {
SpeechRecognitionController::ProvideTo(
frame, SpeechRecognitionController::Create(frame));
}
mojo::Remote<mojom::blink::SpeechRecognizer>&
SpeechRecognitionController::GetSpeechRecognizer() {
if (!speech_recognizer_) {
GetSupplementable()->GetBrowserInterfaceBroker().GetInterface(
speech_recognizer_.BindNewPipeAndPassReceiver());
}
return speech_recognizer_;
}
} // namespace blink
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