| // Copyright (c) 2012 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. |
| |
| #include "content/renderer/input_tag_speech_dispatcher.h" |
| |
| #include "base/strings/utf_string_conversions.h" |
| #include "content/common/speech_recognition_messages.h" |
| #include "content/renderer/render_view_impl.h" |
| #include "third_party/WebKit/public/platform/WebSize.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebElement.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebInputElement.h" |
| #include "third_party/WebKit/public/web/WebNode.h" |
| #include "third_party/WebKit/public/web/WebSecurityOrigin.h" |
| #include "third_party/WebKit/public/web/WebSpeechInputListener.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| |
| using blink::WebDocument; |
| using blink::WebElement; |
| using blink::WebFrame; |
| using blink::WebInputElement; |
| using blink::WebNode; |
| using blink::WebView; |
| |
| namespace content { |
| |
| InputTagSpeechDispatcher::InputTagSpeechDispatcher( |
| RenderViewImpl* render_view, |
| blink::WebSpeechInputListener* listener) |
| : RenderViewObserver(render_view), |
| listener_(listener) { |
| } |
| |
| bool InputTagSpeechDispatcher::OnMessageReceived( |
| const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(InputTagSpeechDispatcher, message) |
| IPC_MESSAGE_HANDLER(InputTagSpeechMsg_SetRecognitionResults, |
| OnSpeechRecognitionResults) |
| IPC_MESSAGE_HANDLER(InputTagSpeechMsg_RecordingComplete, |
| OnSpeechRecordingComplete) |
| IPC_MESSAGE_HANDLER(InputTagSpeechMsg_RecognitionComplete, |
| OnSpeechRecognitionComplete) |
| IPC_MESSAGE_HANDLER(InputTagSpeechMsg_ToggleSpeechInput, |
| OnSpeechRecognitionToggleSpeechInput) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| bool InputTagSpeechDispatcher::startRecognition( |
| int request_id, |
| const blink::WebRect& element_rect, |
| const blink::WebString& language, |
| const blink::WebString& grammar, |
| const blink::WebSecurityOrigin& origin) { |
| DVLOG(1) << "InputTagSpeechDispatcher::startRecognition enter"; |
| |
| InputTagSpeechHostMsg_StartRecognition_Params params; |
| params.grammar = UTF16ToUTF8(grammar); |
| params.language = UTF16ToUTF8(language); |
| params.origin_url = UTF16ToUTF8(origin.toString()); |
| params.render_view_id = routing_id(); |
| params.request_id = request_id; |
| params.element_rect = element_rect; |
| |
| Send(new InputTagSpeechHostMsg_StartRecognition(params)); |
| DVLOG(1) << "InputTagSpeechDispatcher::startRecognition exit"; |
| return true; |
| } |
| |
| void InputTagSpeechDispatcher::cancelRecognition(int request_id) { |
| DVLOG(1) << "InputTagSpeechDispatcher::cancelRecognition enter"; |
| Send(new InputTagSpeechHostMsg_CancelRecognition(routing_id(), request_id)); |
| DVLOG(1) << "InputTagSpeechDispatcher::cancelRecognition exit"; |
| } |
| |
| void InputTagSpeechDispatcher::stopRecording(int request_id) { |
| DVLOG(1) << "InputTagSpeechDispatcher::stopRecording enter"; |
| Send(new InputTagSpeechHostMsg_StopRecording(routing_id(), |
| request_id)); |
| DVLOG(1) << "InputTagSpeechDispatcher::stopRecording exit"; |
| } |
| |
| void InputTagSpeechDispatcher::OnSpeechRecognitionResults( |
| int request_id, |
| const SpeechRecognitionResults& results) { |
| DVLOG(1) << "InputTagSpeechDispatcher::OnSpeechRecognitionResults enter"; |
| DCHECK_EQ(results.size(), 1U); |
| |
| const SpeechRecognitionResult& result = results[0]; |
| blink::WebSpeechInputResultArray webkit_result(result.hypotheses.size()); |
| for (size_t i = 0; i < result.hypotheses.size(); ++i) { |
| webkit_result[i].assign(result.hypotheses[i].utterance, |
| result.hypotheses[i].confidence); |
| } |
| listener_->setRecognitionResult(request_id, webkit_result); |
| |
| DVLOG(1) << "InputTagSpeechDispatcher::OnSpeechRecognitionResults exit"; |
| } |
| |
| void InputTagSpeechDispatcher::OnSpeechRecordingComplete(int request_id) { |
| DVLOG(1) << "InputTagSpeechDispatcher::OnSpeechRecordingComplete enter"; |
| listener_->didCompleteRecording(request_id); |
| DVLOG(1) << "InputTagSpeechDispatcher::OnSpeechRecordingComplete exit"; |
| } |
| |
| void InputTagSpeechDispatcher::OnSpeechRecognitionComplete(int request_id) { |
| DVLOG(1) << "InputTagSpeechDispatcher::OnSpeechRecognitionComplete enter"; |
| listener_->didCompleteRecognition(request_id); |
| DVLOG(1) << "InputTagSpeechDispatcher::OnSpeechRecognitionComplete exit"; |
| } |
| |
| void InputTagSpeechDispatcher::OnSpeechRecognitionToggleSpeechInput() { |
| DVLOG(1) <<"InputTagSpeechDispatcher::OnSpeechRecognitionToggleSpeechInput"; |
| |
| WebView* web_view = render_view()->GetWebView(); |
| |
| WebFrame* frame = web_view->mainFrame(); |
| if (!frame) |
| return; |
| |
| WebDocument document = frame->document(); |
| if (document.isNull()) |
| return; |
| |
| WebNode focused_node = document.focusedNode(); |
| if (focused_node.isNull() || !focused_node.isElementNode()) |
| return; |
| |
| blink::WebElement element = focused_node.to<blink::WebElement>(); |
| blink::WebInputElement* input_element = blink::toWebInputElement(&element); |
| if (!input_element) |
| return; |
| if (!input_element->isSpeechInputEnabled()) |
| return; |
| |
| if (input_element->getSpeechInputState() == WebInputElement::Idle) { |
| input_element->startSpeechInput(); |
| } else { |
| input_element->stopSpeechInput(); |
| } |
| } |
| |
| } // namespace content |