speech_recognition_session_context.h revision 116680a4aac90f2aa7413d9095a592090648e557
1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_SESSION_CONTEXT_H_ 6#define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_SESSION_CONTEXT_H_ 7 8#include <string> 9 10#include "content/common/content_export.h" 11#include "content/public/common/media_stream_request.h" 12#include "ui/gfx/rect.h" 13 14namespace content { 15 16// The context information required by clients of the SpeechRecognitionManager 17// and its delegates for mapping the recognition session to other browser 18// elements involved with it (e.g., the page element that requested the 19// recognition). The manager keeps this struct attached to the recognition 20// session during all the session lifetime, making its contents available to 21// clients (In this regard, see SpeechRecognitionManager::GetSessionContext and 22// SpeechRecognitionManager::LookupSessionByContext methods). 23struct CONTENT_EXPORT SpeechRecognitionSessionContext { 24 SpeechRecognitionSessionContext(); 25 ~SpeechRecognitionSessionContext(); 26 27 int render_process_id; 28 int render_view_id; 29 int render_frame_id; 30 31 // Browser plugin guest's render view id, if this context represents a speech 32 // recognition request from an embedder on behalf of the guest. This is used 33 // for input tag where speech bubble is to be shown. 34 // 35 // TODO(lazyboy): Right now showing bubble from guest does not work, we fall 36 // back to embedder instead, fix this and use 37 // embedder_render_process_id/embedder_render_view_id similar to Web Speech 38 // API below. 39 int guest_render_view_id; 40 41 // The pair (|embedder_render_process_id|, |embedder_render_view_id|) 42 // represents a Browser plugin guest's embedder. This is filled in if the 43 // session is from a guest Web Speech API. We use these to check if the 44 // embedder (app) is permitted to use audio. 45 int embedder_render_process_id; 46 int embedder_render_view_id; 47 48 int request_id; 49 50 // A texual description of the context (website, extension name) that is 51 // requesting recognition, for prompting security notifications to the user. 52 std::string context_name; 53 54 // The label for the permission request, it is used for request abortion. 55 std::string label; 56 57 // A list of devices being used by the recognition session. 58 MediaStreamDevices devices; 59}; 60 61} // namespace content 62 63#endif // CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_SESSION_CONTEXT_H_ 64