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// 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 "chrome/browser/speech/speech_recognition_bubble_controller.h"
#include "base/bind.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
using content::BrowserThread;
using content::WebContents;
namespace {
const int kInvalidSessionId = 0;
}
namespace speech {
SpeechRecognitionBubbleController::SpeechRecognitionBubbleController(
Delegate* delegate)
: delegate_(delegate),
current_bubble_session_id_(kInvalidSessionId),
current_bubble_render_process_id_(0),
current_bubble_render_view_id_(0),
last_request_issued_(REQUEST_CLOSE) {
}
SpeechRecognitionBubbleController::~SpeechRecognitionBubbleController() {
DCHECK_EQ(kInvalidSessionId, current_bubble_session_id_);
}
void SpeechRecognitionBubbleController::CreateBubble(
int session_id,
int render_process_id,
int render_view_id,
const gfx::Rect& element_rect) {
current_bubble_session_id_ = session_id;
current_bubble_render_process_id_ = render_process_id;
current_bubble_render_view_id_ = render_view_id;
UIRequest request(REQUEST_CREATE);
request.render_process_id = render_process_id;
request.render_view_id = render_view_id;
request.element_rect = element_rect;
ProcessRequestInUiThread(request);
}
void SpeechRecognitionBubbleController::SetBubbleRecordingMode() {
ProcessRequestInUiThread(UIRequest(REQUEST_SET_RECORDING_MODE));
}
void SpeechRecognitionBubbleController::SetBubbleRecognizingMode() {
ProcessRequestInUiThread(UIRequest(REQUEST_SET_RECOGNIZING_MODE));
}
void SpeechRecognitionBubbleController::SetBubbleMessage(const string16& text) {
UIRequest request(REQUEST_SET_MESSAGE);
request.message = text;
ProcessRequestInUiThread(request);
}
bool SpeechRecognitionBubbleController::IsShowingMessage() const {
return last_request_issued_ == REQUEST_SET_MESSAGE;
}
void SpeechRecognitionBubbleController::SetBubbleInputVolume(
float volume,
float noise_volume) {
UIRequest request(REQUEST_SET_INPUT_VOLUME);
request.volume = volume;
request.noise_volume = noise_volume;
ProcessRequestInUiThread(request);
}
void SpeechRecognitionBubbleController::CloseBubble() {
current_bubble_session_id_ = kInvalidSessionId;
ProcessRequestInUiThread(UIRequest(REQUEST_CLOSE));
}
int SpeechRecognitionBubbleController::GetActiveSessionID() const {
return current_bubble_session_id_;
}
bool SpeechRecognitionBubbleController::IsShowingBubbleForRenderView(
int render_process_id,
int render_view_id) {
return (current_bubble_session_id_ != kInvalidSessionId) &&
(current_bubble_render_process_id_ == render_process_id) &&
(current_bubble_render_view_id_ == render_view_id);
}
void SpeechRecognitionBubbleController::InfoBubbleButtonClicked(
SpeechRecognitionBubble::Button button) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
base::Bind(
&SpeechRecognitionBubbleController::InvokeDelegateButtonClicked, this,
button));
}
void SpeechRecognitionBubbleController::InfoBubbleFocusChanged() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
base::Bind(&SpeechRecognitionBubbleController::InvokeDelegateFocusChanged,
this));
}
void SpeechRecognitionBubbleController::InvokeDelegateButtonClicked(
SpeechRecognitionBubble::Button button) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
DCHECK_NE(kInvalidSessionId, current_bubble_session_id_);
delegate_->InfoBubbleButtonClicked(current_bubble_session_id_, button);
}
void SpeechRecognitionBubbleController::InvokeDelegateFocusChanged() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
DCHECK_NE(kInvalidSessionId, current_bubble_session_id_);
delegate_->InfoBubbleFocusChanged(current_bubble_session_id_);
}
void SpeechRecognitionBubbleController::ProcessRequestInUiThread(
const UIRequest& request) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
last_request_issued_ = request.type;
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&SpeechRecognitionBubbleController::ProcessRequestInUiThread,
this, request));
return;
}
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
switch (request.type) {
case REQUEST_CREATE:
bubble_.reset(SpeechRecognitionBubble::Create(
tab_util::GetWebContentsByID(request.render_process_id,
request.render_view_id),
this, request.element_rect));
if (!bubble_.get()) {
// Could be null if tab or display rect were invalid.
// Simulate the cancel button being clicked to inform the delegate.
BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
base::Bind(
&SpeechRecognitionBubbleController::InvokeDelegateButtonClicked,
this, SpeechRecognitionBubble::BUTTON_CANCEL));
return;
}
bubble_->Show();
bubble_->SetWarmUpMode();
break;
case REQUEST_SET_RECORDING_MODE:
if (!bubble_.get()) {
// We've seen this on crash/ but don't yet understand why this happen.
// TODO(tommi): It would be nice to figure this out properly and fix
// but since this feature is being deprecated, removing the code
// altogether is probably a simpler and more permanent fix :)
DLOG(ERROR) << "NULL bubble in REQUEST_SET_RECORDING_MODE!";
} else {
bubble_->SetRecordingMode();
}
break;
case REQUEST_SET_RECOGNIZING_MODE:
DCHECK(bubble_.get());
bubble_->SetRecognizingMode();
break;
case REQUEST_SET_MESSAGE:
DCHECK(bubble_.get());
bubble_->SetMessage(request.message);
break;
case REQUEST_SET_INPUT_VOLUME:
DCHECK(bubble_.get());
bubble_->SetInputVolume(request.volume, request.noise_volume);
break;
case REQUEST_CLOSE:
bubble_.reset();
break;
default:
NOTREACHED();
break;
}
}
SpeechRecognitionBubbleController::UIRequest::UIRequest(RequestType type_value)
: type(type_value),
volume(0.0F),
noise_volume(0.0F),
render_process_id(0),
render_view_id(0) {
}
SpeechRecognitionBubbleController::UIRequest::~UIRequest() {
}
} // namespace speech
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