michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsILocaleService.h"
michael@0: #include "nsISpeechService.h"
michael@0: #include "nsServiceManagerUtils.h"
michael@0: 
michael@0: #include "SpeechSynthesisUtterance.h"
michael@0: #include "SpeechSynthesisVoice.h"
michael@0: #include "nsSynthVoiceRegistry.h"
michael@0: #include "nsSpeechTask.h"
michael@0: 
michael@0: #include "nsString.h"
michael@0: #include "mozilla/StaticPtr.h"
michael@0: #include "mozilla/dom/ContentChild.h"
michael@0: #include "mozilla/dom/ContentParent.h"
michael@0: #include "mozilla/unused.h"
michael@0: 
michael@0: #include "SpeechSynthesisChild.h"
michael@0: #include "SpeechSynthesisParent.h"
michael@0: 
michael@0: #undef LOG
michael@0: #ifdef PR_LOGGING
michael@0: extern PRLogModuleInfo* GetSpeechSynthLog();
michael@0: #define LOG(type, msg) PR_LOG(GetSpeechSynthLog(), type, msg)
michael@0: #else
michael@0: #define LOG(type, msg)
michael@0: #endif
michael@0: 
michael@0: namespace {
michael@0: 
michael@0: void
michael@0: GetAllSpeechSynthActors(InfallibleTArray<mozilla::dom::SpeechSynthesisParent*>& aActors)
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0:   MOZ_ASSERT(aActors.IsEmpty());
michael@0: 
michael@0:   nsAutoTArray<mozilla::dom::ContentParent*, 20> contentActors;
michael@0:   mozilla::dom::ContentParent::GetAll(contentActors);
michael@0: 
michael@0:   for (uint32_t contentIndex = 0;
michael@0:        contentIndex < contentActors.Length();
michael@0:        ++contentIndex) {
michael@0:     MOZ_ASSERT(contentActors[contentIndex]);
michael@0: 
michael@0:     AutoInfallibleTArray<mozilla::dom::PSpeechSynthesisParent*, 5> speechsynthActors;
michael@0:     contentActors[contentIndex]->ManagedPSpeechSynthesisParent(speechsynthActors);
michael@0: 
michael@0:     for (uint32_t speechsynthIndex = 0;
michael@0:          speechsynthIndex < speechsynthActors.Length();
michael@0:          ++speechsynthIndex) {
michael@0:       MOZ_ASSERT(speechsynthActors[speechsynthIndex]);
michael@0: 
michael@0:       mozilla::dom::SpeechSynthesisParent* actor =
michael@0:         static_cast<mozilla::dom::SpeechSynthesisParent*>(speechsynthActors[speechsynthIndex]);
michael@0:       aActors.AppendElement(actor);
michael@0:     }
michael@0:   }
michael@0: }
michael@0: }
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: // VoiceData
michael@0: 
michael@0: class VoiceData MOZ_FINAL
michael@0: {
michael@0: private:
michael@0:   // Private destructor, to discourage deletion outside of Release():
michael@0:   ~VoiceData() {}
michael@0: 
michael@0: public:
michael@0:   VoiceData(nsISpeechService* aService, const nsAString& aUri,
michael@0:             const nsAString& aName, const nsAString& aLang, bool aIsLocal)
michael@0:     : mService(aService)
michael@0:     , mUri(aUri)
michael@0:     , mName(aName)
michael@0:     , mLang(aLang)
michael@0:     , mIsLocal(aIsLocal) {}
michael@0: 
michael@0:   NS_INLINE_DECL_REFCOUNTING(VoiceData)
michael@0: 
michael@0:   nsCOMPtr<nsISpeechService> mService;
michael@0: 
michael@0:   nsString mUri;
michael@0: 
michael@0:   nsString mName;
michael@0: 
michael@0:   nsString mLang;
michael@0: 
michael@0:   bool mIsLocal;
michael@0: };
michael@0: 
michael@0: // nsSynthVoiceRegistry
michael@0: 
michael@0: static StaticRefPtr<nsSynthVoiceRegistry> gSynthVoiceRegistry;
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsSynthVoiceRegistry, nsISynthVoiceRegistry)
michael@0: 
michael@0: nsSynthVoiceRegistry::nsSynthVoiceRegistry()
michael@0:   : mSpeechSynthChild(nullptr)
michael@0: {
michael@0:   if (XRE_GetProcessType() == GeckoProcessType_Content) {
michael@0: 
michael@0:     mSpeechSynthChild = new SpeechSynthesisChild();
michael@0:     ContentChild::GetSingleton()->SendPSpeechSynthesisConstructor(mSpeechSynthChild);
michael@0: 
michael@0:     InfallibleTArray<RemoteVoice> voices;
michael@0:     InfallibleTArray<nsString> defaults;
michael@0: 
michael@0:     mSpeechSynthChild->SendReadVoiceList(&voices, &defaults);
michael@0: 
michael@0:     for (uint32_t i = 0; i < voices.Length(); ++i) {
michael@0:       RemoteVoice voice = voices[i];
michael@0:       AddVoiceImpl(nullptr, voice.voiceURI(),
michael@0:                    voice.name(), voice.lang(),
michael@0:                    voice.localService());
michael@0:     }
michael@0: 
michael@0:     for (uint32_t i = 0; i < defaults.Length(); ++i) {
michael@0:       SetDefaultVoice(defaults[i], true);
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: nsSynthVoiceRegistry::~nsSynthVoiceRegistry()
michael@0: {
michael@0:   LOG(PR_LOG_DEBUG, ("~nsSynthVoiceRegistry"));
michael@0: 
michael@0:   // mSpeechSynthChild's lifecycle is managed by the Content protocol.
michael@0:   mSpeechSynthChild = nullptr;
michael@0: 
michael@0:   mUriVoiceMap.Clear();
michael@0: }
michael@0: 
michael@0: nsSynthVoiceRegistry*
michael@0: nsSynthVoiceRegistry::GetInstance()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0: 
michael@0:   if (!gSynthVoiceRegistry) {
michael@0:     gSynthVoiceRegistry = new nsSynthVoiceRegistry();
michael@0:   }
michael@0: 
michael@0:   return gSynthVoiceRegistry;
michael@0: }
michael@0: 
michael@0: already_AddRefed<nsSynthVoiceRegistry>
michael@0: nsSynthVoiceRegistry::GetInstanceForService()
michael@0: {
michael@0:   nsRefPtr<nsSynthVoiceRegistry> registry = GetInstance();
michael@0: 
michael@0:   return registry.forget();
michael@0: }
michael@0: 
michael@0: void
michael@0: nsSynthVoiceRegistry::Shutdown()
michael@0: {
michael@0:   LOG(PR_LOG_DEBUG, ("[%s] nsSynthVoiceRegistry::Shutdown()",
michael@0:                      (XRE_GetProcessType() == GeckoProcessType_Content) ? "Content" : "Default"));
michael@0:   gSynthVoiceRegistry = nullptr;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsSynthVoiceRegistry::SendVoices(InfallibleTArray<RemoteVoice>* aVoices,
michael@0:                                  InfallibleTArray<nsString>* aDefaults)
michael@0: {
michael@0:   for (uint32_t i=0; i < mVoices.Length(); ++i) {
michael@0:     nsRefPtr<VoiceData> voice = mVoices[i];
michael@0: 
michael@0:     aVoices->AppendElement(RemoteVoice(voice->mUri, voice->mName, voice->mLang,
michael@0:                                        voice->mIsLocal));
michael@0:   }
michael@0: 
michael@0:   for (uint32_t i=0; i < mDefaultVoices.Length(); ++i) {
michael@0:     aDefaults->AppendElement(mDefaultVoices[i]->mUri);
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: nsSynthVoiceRegistry::RecvRemoveVoice(const nsAString& aUri)
michael@0: {
michael@0:   // If we dont have a local instance of the registry yet, we will recieve current
michael@0:   // voices at contruction time.
michael@0:   if(!gSynthVoiceRegistry) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   gSynthVoiceRegistry->RemoveVoice(nullptr, aUri);
michael@0: }
michael@0: 
michael@0: void
michael@0: nsSynthVoiceRegistry::RecvAddVoice(const RemoteVoice& aVoice)
michael@0: {
michael@0:   // If we dont have a local instance of the registry yet, we will recieve current
michael@0:   // voices at contruction time.
michael@0:   if(!gSynthVoiceRegistry) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   gSynthVoiceRegistry->AddVoiceImpl(nullptr, aVoice.voiceURI(),
michael@0:                                     aVoice.name(), aVoice.lang(),
michael@0:                                     aVoice.localService());
michael@0: }
michael@0: 
michael@0: void
michael@0: nsSynthVoiceRegistry::RecvSetDefaultVoice(const nsAString& aUri, bool aIsDefault)
michael@0: {
michael@0:   // If we dont have a local instance of the registry yet, we will recieve current
michael@0:   // voices at contruction time.
michael@0:   if(!gSynthVoiceRegistry) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   gSynthVoiceRegistry->SetDefaultVoice(aUri, aIsDefault);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::AddVoice(nsISpeechService* aService,
michael@0:                                const nsAString& aUri,
michael@0:                                const nsAString& aName,
michael@0:                                const nsAString& aLang,
michael@0:                                bool aLocalService)
michael@0: {
michael@0:   LOG(PR_LOG_DEBUG,
michael@0:       ("nsSynthVoiceRegistry::AddVoice uri='%s' name='%s' lang='%s' local=%s",
michael@0:        NS_ConvertUTF16toUTF8(aUri).get(), NS_ConvertUTF16toUTF8(aName).get(),
michael@0:        NS_ConvertUTF16toUTF8(aLang).get(),
michael@0:        aLocalService ? "true" : "false"));
michael@0: 
michael@0:   NS_ENSURE_FALSE(XRE_GetProcessType() == GeckoProcessType_Content,
michael@0:                   NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   return AddVoiceImpl(aService, aUri, aName, aLang,
michael@0:                       aLocalService);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::RemoveVoice(nsISpeechService* aService,
michael@0:                                   const nsAString& aUri)
michael@0: {
michael@0:   LOG(PR_LOG_DEBUG,
michael@0:       ("nsSynthVoiceRegistry::RemoveVoice uri='%s' (%s)",
michael@0:        NS_ConvertUTF16toUTF8(aUri).get(),
michael@0:        (XRE_GetProcessType() == GeckoProcessType_Content) ? "child" : "parent"));
michael@0: 
michael@0:   bool found = false;
michael@0:   VoiceData* retval = mUriVoiceMap.GetWeak(aUri, &found);
michael@0: 
michael@0:   NS_ENSURE_TRUE(found, NS_ERROR_NOT_AVAILABLE);
michael@0:   NS_ENSURE_TRUE(aService == retval->mService, NS_ERROR_INVALID_ARG);
michael@0: 
michael@0:   mVoices.RemoveElement(retval);
michael@0:   mDefaultVoices.RemoveElement(retval);
michael@0:   mUriVoiceMap.Remove(aUri);
michael@0: 
michael@0:   nsTArray<SpeechSynthesisParent*> ssplist;
michael@0:   GetAllSpeechSynthActors(ssplist);
michael@0: 
michael@0:   for (uint32_t i = 0; i < ssplist.Length(); ++i)
michael@0:     unused << ssplist[i]->SendVoiceRemoved(nsString(aUri));
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::SetDefaultVoice(const nsAString& aUri,
michael@0:                                       bool aIsDefault)
michael@0: {
michael@0:   bool found = false;
michael@0:   VoiceData* retval = mUriVoiceMap.GetWeak(aUri, &found);
michael@0:   NS_ENSURE_TRUE(found, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   mDefaultVoices.RemoveElement(retval);
michael@0: 
michael@0:   LOG(PR_LOG_DEBUG, ("nsSynthVoiceRegistry::SetDefaultVoice %s %s",
michael@0:                      NS_ConvertUTF16toUTF8(aUri).get(),
michael@0:                      aIsDefault ? "true" : "false"));
michael@0: 
michael@0:   if (aIsDefault) {
michael@0:     mDefaultVoices.AppendElement(retval);
michael@0:   }
michael@0: 
michael@0:   if (XRE_GetProcessType() == GeckoProcessType_Default) {
michael@0:     nsTArray<SpeechSynthesisParent*> ssplist;
michael@0:     GetAllSpeechSynthActors(ssplist);
michael@0: 
michael@0:     for (uint32_t i = 0; i < ssplist.Length(); ++i) {
michael@0:       unused << ssplist[i]->SendSetDefaultVoice(nsString(aUri), aIsDefault);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::GetVoiceCount(uint32_t* aRetval)
michael@0: {
michael@0:   *aRetval = mVoices.Length();
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::GetVoice(uint32_t aIndex, nsAString& aRetval)
michael@0: {
michael@0:   NS_ENSURE_TRUE(aIndex < mVoices.Length(), NS_ERROR_INVALID_ARG);
michael@0: 
michael@0:   aRetval = mVoices[aIndex]->mUri;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::IsDefaultVoice(const nsAString& aUri, bool* aRetval)
michael@0: {
michael@0:   bool found;
michael@0:   VoiceData* voice = mUriVoiceMap.GetWeak(aUri, &found);
michael@0:   NS_ENSURE_TRUE(found, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   for (int32_t i = mDefaultVoices.Length(); i > 0; ) {
michael@0:     VoiceData* defaultVoice = mDefaultVoices[--i];
michael@0: 
michael@0:     if (voice->mLang.Equals(defaultVoice->mLang)) {
michael@0:       *aRetval = voice == defaultVoice;
michael@0:       return NS_OK;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   *aRetval = false;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::IsLocalVoice(const nsAString& aUri, bool* aRetval)
michael@0: {
michael@0:   bool found;
michael@0:   VoiceData* voice = mUriVoiceMap.GetWeak(aUri, &found);
michael@0:   NS_ENSURE_TRUE(found, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   *aRetval = voice->mIsLocal;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::GetVoiceLang(const nsAString& aUri, nsAString& aRetval)
michael@0: {
michael@0:   bool found;
michael@0:   VoiceData* voice = mUriVoiceMap.GetWeak(aUri, &found);
michael@0:   NS_ENSURE_TRUE(found, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   aRetval = voice->mLang;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsSynthVoiceRegistry::GetVoiceName(const nsAString& aUri, nsAString& aRetval)
michael@0: {
michael@0:   bool found;
michael@0:   VoiceData* voice = mUriVoiceMap.GetWeak(aUri, &found);
michael@0:   NS_ENSURE_TRUE(found, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   aRetval = voice->mName;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsSynthVoiceRegistry::AddVoiceImpl(nsISpeechService* aService,
michael@0:                                    const nsAString& aUri,
michael@0:                                    const nsAString& aName,
michael@0:                                    const nsAString& aLang,
michael@0:                                    bool aLocalService)
michael@0: {
michael@0:   bool found = false;
michael@0:   mUriVoiceMap.GetWeak(aUri, &found);
michael@0:   NS_ENSURE_FALSE(found, NS_ERROR_INVALID_ARG);
michael@0: 
michael@0:   nsRefPtr<VoiceData> voice = new VoiceData(aService, aUri, aName, aLang,
michael@0:                                             aLocalService);
michael@0: 
michael@0:   mVoices.AppendElement(voice);
michael@0:   mUriVoiceMap.Put(aUri, voice);
michael@0: 
michael@0:   nsTArray<SpeechSynthesisParent*> ssplist;
michael@0:   GetAllSpeechSynthActors(ssplist);
michael@0: 
michael@0:   if (!ssplist.IsEmpty()) {
michael@0:     mozilla::dom::RemoteVoice ssvoice(nsString(aUri),
michael@0:                                       nsString(aName),
michael@0:                                       nsString(aLang),
michael@0:                                       aLocalService);
michael@0: 
michael@0:     for (uint32_t i = 0; i < ssplist.Length(); ++i) {
michael@0:       unused << ssplist[i]->SendVoiceAdded(ssvoice);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsSynthVoiceRegistry::FindVoiceByLang(const nsAString& aLang,
michael@0:                                       VoiceData** aRetval)
michael@0: {
michael@0:   nsAString::const_iterator dashPos, start, end;
michael@0:   aLang.BeginReading(start);
michael@0:   aLang.EndReading(end);
michael@0: 
michael@0:   while (true) {
michael@0:     nsAutoString langPrefix(Substring(start, end));
michael@0: 
michael@0:     for (int32_t i = mDefaultVoices.Length(); i > 0; ) {
michael@0:       VoiceData* voice = mDefaultVoices[--i];
michael@0: 
michael@0:       if (StringBeginsWith(voice->mLang, langPrefix)) {
michael@0:         *aRetval = voice;
michael@0:         return true;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     for (int32_t i = mVoices.Length(); i > 0; ) {
michael@0:       VoiceData* voice = mVoices[--i];
michael@0: 
michael@0:       if (StringBeginsWith(voice->mLang, langPrefix)) {
michael@0:         *aRetval = voice;
michael@0:         return true;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     dashPos = end;
michael@0:     end = start;
michael@0: 
michael@0:     if (!RFindInReadable(NS_LITERAL_STRING("-"), end, dashPos)) {
michael@0:       break;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: VoiceData*
michael@0: nsSynthVoiceRegistry::FindBestMatch(const nsAString& aUri,
michael@0:                                     const nsAString& aLang)
michael@0: {
michael@0:   if (mVoices.IsEmpty()) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   bool found = false;
michael@0:   VoiceData* retval = mUriVoiceMap.GetWeak(aUri, &found);
michael@0: 
michael@0:   if (found) {
michael@0:     LOG(PR_LOG_DEBUG, ("nsSynthVoiceRegistry::FindBestMatch - Matched URI"));
michael@0:     return retval;
michael@0:   }
michael@0: 
michael@0:   // Try finding a match for given voice.
michael@0:   if (!aLang.IsVoid() && !aLang.IsEmpty()) {
michael@0:     if (FindVoiceByLang(aLang, &retval)) {
michael@0:       LOG(PR_LOG_DEBUG,
michael@0:           ("nsSynthVoiceRegistry::FindBestMatch - Matched language (%s ~= %s)",
michael@0:            NS_ConvertUTF16toUTF8(aLang).get(),
michael@0:            NS_ConvertUTF16toUTF8(retval->mLang).get()));
michael@0: 
michael@0:       return retval;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // Try UI language.
michael@0:   nsresult rv;
michael@0:   nsCOMPtr<nsILocaleService> localeService = do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv);
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0: 
michael@0:   nsAutoString uiLang;
michael@0:   rv = localeService->GetLocaleComponentForUserAgent(uiLang);
michael@0:   NS_ENSURE_SUCCESS(rv, nullptr);
michael@0: 
michael@0:   if (FindVoiceByLang(uiLang, &retval)) {
michael@0:     LOG(PR_LOG_DEBUG,
michael@0:         ("nsSynthVoiceRegistry::FindBestMatch - Matched UI language (%s ~= %s)",
michael@0:          NS_ConvertUTF16toUTF8(uiLang).get(),
michael@0:          NS_ConvertUTF16toUTF8(retval->mLang).get()));
michael@0: 
michael@0:     return retval;
michael@0:   }
michael@0: 
michael@0:   // Try en-US, the language of locale "C"
michael@0:   if (FindVoiceByLang(NS_LITERAL_STRING("en-US"), &retval)) {
michael@0:     LOG(PR_LOG_DEBUG,
michael@0:         ("nsSynthVoiceRegistry::FindBestMatch - Matched C locale language (en-US ~= %s)",
michael@0:          NS_ConvertUTF16toUTF8(retval->mLang).get()));
michael@0: 
michael@0:     return retval;
michael@0:   }
michael@0: 
michael@0:   // The top default voice is better than nothing...
michael@0:   if (!mDefaultVoices.IsEmpty()) {
michael@0:     return mDefaultVoices.LastElement();
michael@0:   }
michael@0: 
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: already_AddRefed<nsSpeechTask>
michael@0: nsSynthVoiceRegistry::SpeakUtterance(SpeechSynthesisUtterance& aUtterance,
michael@0:                                      const nsAString& aDocLang)
michael@0: {
michael@0:   nsString lang = nsString(aUtterance.mLang.IsEmpty() ? aDocLang : aUtterance.mLang);
michael@0:   nsAutoString uri;
michael@0: 
michael@0:   if (aUtterance.mVoice) {
michael@0:     aUtterance.mVoice->GetVoiceURI(uri);
michael@0:   }
michael@0: 
michael@0:   nsRefPtr<nsSpeechTask> task;
michael@0:   if (XRE_GetProcessType() == GeckoProcessType_Content) {
michael@0:     task = new SpeechTaskChild(&aUtterance);
michael@0:     SpeechSynthesisRequestChild* actor =
michael@0:       new SpeechSynthesisRequestChild(static_cast<SpeechTaskChild*>(task.get()));
michael@0:     mSpeechSynthChild->SendPSpeechSynthesisRequestConstructor(actor,
michael@0:                                                               aUtterance.mText,
michael@0:                                                               lang,
michael@0:                                                               uri,
michael@0:                                                               aUtterance.Volume(),
michael@0:                                                               aUtterance.Rate(),
michael@0:                                                               aUtterance.Pitch());
michael@0:   } else {
michael@0:     task = new nsSpeechTask(&aUtterance);
michael@0:     Speak(aUtterance.mText, lang, uri,
michael@0:           aUtterance.Rate(), aUtterance.Pitch(), task);
michael@0:   }
michael@0: 
michael@0:   return task.forget();
michael@0: }
michael@0: 
michael@0: void
michael@0: nsSynthVoiceRegistry::Speak(const nsAString& aText,
michael@0:                             const nsAString& aLang,
michael@0:                             const nsAString& aUri,
michael@0:                             const float& aRate,
michael@0:                             const float& aPitch,
michael@0:                             nsSpeechTask* aTask)
michael@0: {
michael@0:   LOG(PR_LOG_DEBUG,
michael@0:       ("nsSynthVoiceRegistry::Speak text='%s' lang='%s' uri='%s' rate=%f pitch=%f",
michael@0:        NS_ConvertUTF16toUTF8(aText).get(), NS_ConvertUTF16toUTF8(aLang).get(),
michael@0:        NS_ConvertUTF16toUTF8(aUri).get(), aRate, aPitch));
michael@0: 
michael@0:   VoiceData* voice = FindBestMatch(aUri, aLang);
michael@0: 
michael@0:   if (!voice) {
michael@0:     NS_WARNING("No voices found.");
michael@0:     aTask->DispatchError(0, 0);
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   LOG(PR_LOG_DEBUG, ("nsSynthVoiceRegistry::Speak - Using voice URI: %s",
michael@0:                      NS_ConvertUTF16toUTF8(voice->mUri).get()));
michael@0: 
michael@0:   SpeechServiceType serviceType;
michael@0: 
michael@0:   DebugOnly<nsresult> rv = voice->mService->GetServiceType(&serviceType);
michael@0:   NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Failed to get speech service type");
michael@0: 
michael@0:   if (serviceType == nsISpeechService::SERVICETYPE_INDIRECT_AUDIO) {
michael@0:     aTask->SetIndirectAudio(true);
michael@0:   }
michael@0: 
michael@0:   voice->mService->Speak(aText, voice->mUri, aRate, aPitch, aTask);
michael@0: }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla