6 files changed, 756 insertions, 0 deletions
diff --git a/dom/media/webspeech/synth/ipc/PSpeechSynthesis.ipdl b/dom/media/webspeech/synth/ipc/PSpeechSynthesis.ipdl
new file mode 100644
index 000000000..7b66034e4
--- /dev/null
+++ b/dom/media/webspeech/synth/ipc/PSpeechSynthesis.ipdl
@@ -0,0 +1,49 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+include protocol PContent;
+include protocol PSpeechSynthesisRequest;
+
+namespace mozilla {
+namespace dom {
+
+struct RemoteVoice {
+  nsString voiceURI;
+  nsString name;
+  nsString lang;
+  bool localService;
+  bool queued;
+};
+
+sync protocol PSpeechSynthesis
+{
+  manager PContent;
+  manages PSpeechSynthesisRequest;
+
+child:
+
+    async VoiceAdded(RemoteVoice aVoice);
+
+    async VoiceRemoved(nsString aUri);
+
+    async SetDefaultVoice(nsString aUri, bool aIsDefault);
+
+    async IsSpeakingChanged(bool aIsSpeaking);
+
+    async NotifyVoicesChanged();
+
+parent:
+    async __delete__();
+
+    async PSpeechSynthesisRequest(nsString aText, nsString aUri, nsString aLang,
+                                  float aVolume, float aRate, float aPitch);
+
+    sync ReadVoicesAndState() returns (RemoteVoice[] aVoices,
+                                       nsString[] aDefaults, bool aIsSpeaking);
+};
+
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/media/webspeech/synth/ipc/PSpeechSynthesisRequest.ipdl b/dom/media/webspeech/synth/ipc/PSpeechSynthesisRequest.ipdl
new file mode 100644
index 000000000..9ffea29f5
--- /dev/null
+++ b/dom/media/webspeech/synth/ipc/PSpeechSynthesisRequest.ipdl
@@ -0,0 +1,46 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+include protocol PSpeechSynthesis;
+
+namespace mozilla {
+namespace dom {
+
+async protocol PSpeechSynthesisRequest
+{
+  manager PSpeechSynthesis;
+
+ parent:
+
+  async __delete__();
+
+  async Pause();
+
+  async Resume();
+
+  async Cancel();
+
+  async ForceEnd();
+
+  async SetAudioOutputVolume(float aVolume);
+
+ child:
+
+  async OnEnd(bool aIsError, float aElapsedTime, uint32_t aCharIndex);
+
+  async OnStart(nsString aUri);
+
+  async OnPause(float aElapsedTime, uint32_t aCharIndex);
+
+  async OnResume(float aElapsedTime, uint32_t aCharIndex);
+
+  async OnBoundary(nsString aName, float aElapsedTime, uint32_t aCharIndex);
+
+  async OnMark(nsString aName, float aElapsedTime, uint32_t aCharIndex);
+};
+
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/media/webspeech/synth/ipc/SpeechSynthesisChild.cpp b/dom/media/webspeech/synth/ipc/SpeechSynthesisChild.cpp
new file mode 100644
index 000000000..d1cb8bf0e
--- /dev/null
+++ b/dom/media/webspeech/synth/ipc/SpeechSynthesisChild.cpp
@@ -0,0 +1,213 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "SpeechSynthesisChild.h"
+#include "nsSynthVoiceRegistry.h"
+
+namespace mozilla {
+namespace dom {
+
+SpeechSynthesisChild::SpeechSynthesisChild()
+{
+  MOZ_COUNT_CTOR(SpeechSynthesisChild);
+}
+
+SpeechSynthesisChild::~SpeechSynthesisChild()
+{
+  MOZ_COUNT_DTOR(SpeechSynthesisChild);
+}
+
+bool
+SpeechSynthesisChild::RecvVoiceAdded(const RemoteVoice& aVoice)
+{
+  nsSynthVoiceRegistry::RecvAddVoice(aVoice);
+  return true;
+}
+
+bool
+SpeechSynthesisChild::RecvVoiceRemoved(const nsString& aUri)
+{
+  nsSynthVoiceRegistry::RecvRemoveVoice(aUri);
+  return true;
+}
+
+bool
+SpeechSynthesisChild::RecvSetDefaultVoice(const nsString& aUri,
+                                          const bool& aIsDefault)
+{
+  nsSynthVoiceRegistry::RecvSetDefaultVoice(aUri, aIsDefault);
+  return true;
+}
+
+bool
+SpeechSynthesisChild::RecvIsSpeakingChanged(const bool& aIsSpeaking)
+{
+  nsSynthVoiceRegistry::RecvIsSpeakingChanged(aIsSpeaking);
+  return true;
+}
+
+bool
+SpeechSynthesisChild::RecvNotifyVoicesChanged()
+{
+  nsSynthVoiceRegistry::RecvNotifyVoicesChanged();
+  return true;
+}
+
+PSpeechSynthesisRequestChild*
+SpeechSynthesisChild::AllocPSpeechSynthesisRequestChild(const nsString& aText,
+                                                        const nsString& aLang,
+                                                        const nsString& aUri,
+                                                        const float& aVolume,
+                                                        const float& aRate,
+                                                        const float& aPitch)
+{
+  MOZ_CRASH("Caller is supposed to manually construct a request!");
+}
+
+bool
+SpeechSynthesisChild::DeallocPSpeechSynthesisRequestChild(PSpeechSynthesisRequestChild* aActor)
+{
+  delete aActor;
+  return true;
+}
+
+// SpeechSynthesisRequestChild
+
+SpeechSynthesisRequestChild::SpeechSynthesisRequestChild(SpeechTaskChild* aTask)
+  : mTask(aTask)
+{
+  mTask->mActor = this;
+  MOZ_COUNT_CTOR(SpeechSynthesisRequestChild);
+}
+
+SpeechSynthesisRequestChild::~SpeechSynthesisRequestChild()
+{
+  MOZ_COUNT_DTOR(SpeechSynthesisRequestChild);
+}
+
+bool
+SpeechSynthesisRequestChild::RecvOnStart(const nsString& aUri)
+{
+  mTask->DispatchStartImpl(aUri);
+  return true;
+}
+
+bool
+SpeechSynthesisRequestChild::RecvOnEnd(const bool& aIsError,
+                                       const float& aElapsedTime,
+                                       const uint32_t& aCharIndex)
+{
+  SpeechSynthesisRequestChild* actor = mTask->mActor;
+  mTask->mActor = nullptr;
+
+  if (aIsError) {
+    mTask->DispatchErrorImpl(aElapsedTime, aCharIndex);
+  } else {
+    mTask->DispatchEndImpl(aElapsedTime, aCharIndex);
+  }
+
+  actor->Send__delete__(actor);
+
+  return true;
+}
+
+bool
+SpeechSynthesisRequestChild::RecvOnPause(const float& aElapsedTime,
+                                         const uint32_t& aCharIndex)
+{
+  mTask->DispatchPauseImpl(aElapsedTime, aCharIndex);
+  return true;
+}
+
+bool
+SpeechSynthesisRequestChild::RecvOnResume(const float& aElapsedTime,
+                                          const uint32_t& aCharIndex)
+{
+  mTask->DispatchResumeImpl(aElapsedTime, aCharIndex);
+  return true;
+}
+
+bool
+SpeechSynthesisRequestChild::RecvOnBoundary(const nsString& aName,
+                                            const float& aElapsedTime,
+                                            const uint32_t& aCharIndex)
+{
+  mTask->DispatchBoundaryImpl(aName, aElapsedTime, aCharIndex);
+  return true;
+}
+
+bool
+SpeechSynthesisRequestChild::RecvOnMark(const nsString& aName,
+                                        const float& aElapsedTime,
+                                        const uint32_t& aCharIndex)
+{
+  mTask->DispatchMarkImpl(aName, aElapsedTime, aCharIndex);
+  return true;
+}
+
+// SpeechTaskChild
+
+SpeechTaskChild::SpeechTaskChild(SpeechSynthesisUtterance* aUtterance)
+  : nsSpeechTask(aUtterance)
+{
+}
+
+NS_IMETHODIMP
+SpeechTaskChild::Setup(nsISpeechTaskCallback* aCallback,
+                       uint32_t aChannels, uint32_t aRate, uint8_t argc)
+{
+  MOZ_CRASH("Should never be called from child");
+}
+
+NS_IMETHODIMP
+SpeechTaskChild::SendAudio(JS::Handle<JS::Value> aData, JS::Handle<JS::Value> aLandmarks,
+                           JSContext* aCx)
+{
+  MOZ_CRASH("Should never be called from child");
+}
+
+NS_IMETHODIMP
+SpeechTaskChild::SendAudioNative(int16_t* aData, uint32_t aDataLen)
+{
+  MOZ_CRASH("Should never be called from child");
+}
+
+void
+SpeechTaskChild::Pause()
+{
+  MOZ_ASSERT(mActor);
+  mActor->SendPause();
+}
+
+void
+SpeechTaskChild::Resume()
+{
+  MOZ_ASSERT(mActor);
+  mActor->SendResume();
+}
+
+void
+SpeechTaskChild::Cancel()
+{
+  MOZ_ASSERT(mActor);
+  mActor->SendCancel();
+}
+
+void
+SpeechTaskChild::ForceEnd()
+{
+  MOZ_ASSERT(mActor);
+  mActor->SendForceEnd();
+}
+
+void
+SpeechTaskChild::SetAudioOutputVolume(float aVolume)
+{
+  if (mActor) {
+    mActor->SendSetAudioOutputVolume(aVolume);
+  }
+}
+
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/media/webspeech/synth/ipc/SpeechSynthesisChild.h b/dom/media/webspeech/synth/ipc/SpeechSynthesisChild.h
new file mode 100644
index 000000000..01e9ffbdd
--- /dev/null
+++ b/dom/media/webspeech/synth/ipc/SpeechSynthesisChild.h
@@ -0,0 +1,106 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SpeechSynthesisChild_h
+#define mozilla_dom_SpeechSynthesisChild_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/PSpeechSynthesisChild.h"
+#include "mozilla/dom/PSpeechSynthesisRequestChild.h"
+#include "nsSpeechTask.h"
+
+namespace mozilla {
+namespace dom {
+
+class nsSynthVoiceRegistry;
+class SpeechSynthesisRequestChild;
+class SpeechTaskChild;
+
+class SpeechSynthesisChild : public PSpeechSynthesisChild
+{
+  friend class nsSynthVoiceRegistry;
+
+public:
+  bool RecvVoiceAdded(const RemoteVoice& aVoice) override;
+
+  bool RecvVoiceRemoved(const nsString& aUri) override;
+
+  bool RecvSetDefaultVoice(const nsString& aUri, const bool& aIsDefault) override;
+
+  bool RecvIsSpeakingChanged(const bool& aIsSpeaking) override;
+
+  bool RecvNotifyVoicesChanged() override;
+
+protected:
+  SpeechSynthesisChild();
+  virtual ~SpeechSynthesisChild();
+
+  PSpeechSynthesisRequestChild* AllocPSpeechSynthesisRequestChild(const nsString& aLang,
+                                                                  const nsString& aUri,
+                                                                  const nsString& aText,
+                                                                  const float& aVolume,
+                                                                  const float& aPitch,
+                                                                  const float& aRate) override;
+  bool DeallocPSpeechSynthesisRequestChild(PSpeechSynthesisRequestChild* aActor) override;
+};
+
+class SpeechSynthesisRequestChild : public PSpeechSynthesisRequestChild
+{
+public:
+  explicit SpeechSynthesisRequestChild(SpeechTaskChild* aTask);
+  virtual ~SpeechSynthesisRequestChild();
+
+protected:
+  bool RecvOnStart(const nsString& aUri) override;
+
+  bool RecvOnEnd(const bool& aIsError,
+                 const float& aElapsedTime,
+                 const uint32_t& aCharIndex) override;
+
+  bool RecvOnPause(const float& aElapsedTime, const uint32_t& aCharIndex) override;
+
+  bool RecvOnResume(const float& aElapsedTime, const uint32_t& aCharIndex) override;
+
+  bool RecvOnBoundary(const nsString& aName, const float& aElapsedTime,
+                      const uint32_t& aCharIndex) override;
+
+  bool RecvOnMark(const nsString& aName, const float& aElapsedTime,
+                  const uint32_t& aCharIndex) override;
+
+  RefPtr<SpeechTaskChild> mTask;
+};
+
+class SpeechTaskChild : public nsSpeechTask
+{
+  friend class SpeechSynthesisRequestChild;
+public:
+
+  explicit SpeechTaskChild(SpeechSynthesisUtterance* aUtterance);
+
+  NS_IMETHOD Setup(nsISpeechTaskCallback* aCallback,
+                   uint32_t aChannels, uint32_t aRate, uint8_t argc) override;
+
+  NS_IMETHOD SendAudio(JS::Handle<JS::Value> aData, JS::Handle<JS::Value> aLandmarks,
+                       JSContext* aCx) override;
+
+  NS_IMETHOD SendAudioNative(int16_t* aData, uint32_t aDataLen) override;
+
+  void Pause() override;
+
+  void Resume() override;
+
+  void Cancel() override;
+
+  void ForceEnd() override;
+
+  void SetAudioOutputVolume(float aVolume) override;
+
+private:
+  SpeechSynthesisRequestChild* mActor;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif
diff --git a/dom/media/webspeech/synth/ipc/SpeechSynthesisParent.cpp b/dom/media/webspeech/synth/ipc/SpeechSynthesisParent.cpp
new file mode 100644
index 000000000..8dc70e872
--- /dev/null
+++ b/dom/media/webspeech/synth/ipc/SpeechSynthesisParent.cpp
@@ -0,0 +1,234 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "SpeechSynthesisParent.h"
+#include "nsSynthVoiceRegistry.h"
+
+namespace mozilla {
+namespace dom {
+
+SpeechSynthesisParent::SpeechSynthesisParent()
+{
+  MOZ_COUNT_CTOR(SpeechSynthesisParent);
+}
+
+SpeechSynthesisParent::~SpeechSynthesisParent()
+{
+  MOZ_COUNT_DTOR(SpeechSynthesisParent);
+}
+
+void
+SpeechSynthesisParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  // Implement me! Bug 1005141
+}
+
+bool
+SpeechSynthesisParent::RecvReadVoicesAndState(InfallibleTArray<RemoteVoice>* aVoices,
+                                              InfallibleTArray<nsString>* aDefaults,
+                                              bool* aIsSpeaking)
+{
+  nsSynthVoiceRegistry::GetInstance()->SendVoicesAndState(aVoices, aDefaults,
+                                                          aIsSpeaking);
+  return true;
+}
+
+PSpeechSynthesisRequestParent*
+SpeechSynthesisParent::AllocPSpeechSynthesisRequestParent(const nsString& aText,
+                                                          const nsString& aLang,
+                                                          const nsString& aUri,
+                                                          const float& aVolume,
+                                                          const float& aRate,
+                                                          const float& aPitch)
+{
+  RefPtr<SpeechTaskParent> task = new SpeechTaskParent(aVolume, aText);
+  SpeechSynthesisRequestParent* actor = new SpeechSynthesisRequestParent(task);
+  return actor;
+}
+
+bool
+SpeechSynthesisParent::DeallocPSpeechSynthesisRequestParent(PSpeechSynthesisRequestParent* aActor)
+{
+  delete aActor;
+  return true;
+}
+
+bool
+SpeechSynthesisParent::RecvPSpeechSynthesisRequestConstructor(PSpeechSynthesisRequestParent* aActor,
+                                                              const nsString& aText,
+                                                              const nsString& aLang,
+                                                              const nsString& aUri,
+                                                              const float& aVolume,
+                                                              const float& aRate,
+                                                              const float& aPitch)
+{
+  MOZ_ASSERT(aActor);
+  SpeechSynthesisRequestParent* actor =
+    static_cast<SpeechSynthesisRequestParent*>(aActor);
+  nsSynthVoiceRegistry::GetInstance()->Speak(aText, aLang, aUri, aVolume, aRate,
+                                             aPitch, actor->mTask);
+  return true;
+}
+
+// SpeechSynthesisRequestParent
+
+SpeechSynthesisRequestParent::SpeechSynthesisRequestParent(SpeechTaskParent* aTask)
+  : mTask(aTask)
+{
+  mTask->mActor = this;
+  MOZ_COUNT_CTOR(SpeechSynthesisRequestParent);
+}
+
+SpeechSynthesisRequestParent::~SpeechSynthesisRequestParent()
+{
+  if (mTask) {
+    mTask->mActor = nullptr;
+    // If we still have a task, cancel it.
+    mTask->Cancel();
+  }
+  MOZ_COUNT_DTOR(SpeechSynthesisRequestParent);
+}
+
+void
+SpeechSynthesisRequestParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  // Implement me! Bug 1005141
+}
+
+bool
+SpeechSynthesisRequestParent::RecvPause()
+{
+  MOZ_ASSERT(mTask);
+  mTask->Pause();
+  return true;
+}
+
+bool
+SpeechSynthesisRequestParent::Recv__delete__()
+{
+  MOZ_ASSERT(mTask);
+  mTask->mActor = nullptr;
+  mTask = nullptr;
+  return true;
+}
+
+bool
+SpeechSynthesisRequestParent::RecvResume()
+{
+  MOZ_ASSERT(mTask);
+  mTask->Resume();
+  return true;
+}
+
+bool
+SpeechSynthesisRequestParent::RecvCancel()
+{
+  MOZ_ASSERT(mTask);
+  mTask->Cancel();
+  return true;
+}
+
+bool
+SpeechSynthesisRequestParent::RecvForceEnd()
+{
+  MOZ_ASSERT(mTask);
+  mTask->ForceEnd();
+  return true;
+}
+
+bool
+SpeechSynthesisRequestParent::RecvSetAudioOutputVolume(const float& aVolume)
+{
+  MOZ_ASSERT(mTask);
+  mTask->SetAudioOutputVolume(aVolume);
+  return true;
+}
+
+// SpeechTaskParent
+
+nsresult
+SpeechTaskParent::DispatchStartImpl(const nsAString& aUri)
+{
+  MOZ_ASSERT(mActor);
+  if(NS_WARN_IF(!(mActor->SendOnStart(nsString(aUri))))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+SpeechTaskParent::DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex)
+{
+  if (!mActor) {
+    // Child is already gone.
+    return NS_OK;
+  }
+
+  if(NS_WARN_IF(!(mActor->SendOnEnd(false, aElapsedTime, aCharIndex)))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+SpeechTaskParent::DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex)
+{
+  MOZ_ASSERT(mActor);
+  if(NS_WARN_IF(!(mActor->SendOnPause(aElapsedTime, aCharIndex)))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+SpeechTaskParent::DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex)
+{
+  MOZ_ASSERT(mActor);
+  if(NS_WARN_IF(!(mActor->SendOnResume(aElapsedTime, aCharIndex)))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+SpeechTaskParent::DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex)
+{
+  MOZ_ASSERT(mActor);
+  if(NS_WARN_IF(!(mActor->SendOnEnd(true, aElapsedTime, aCharIndex)))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+SpeechTaskParent::DispatchBoundaryImpl(const nsAString& aName,
+                                       float aElapsedTime, uint32_t aCharIndex)
+{
+  MOZ_ASSERT(mActor);
+  if(NS_WARN_IF(!(mActor->SendOnBoundary(nsString(aName), aElapsedTime, aCharIndex)))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult
+SpeechTaskParent::DispatchMarkImpl(const nsAString& aName,
+                                   float aElapsedTime, uint32_t aCharIndex)
+{
+  MOZ_ASSERT(mActor);
+  if(NS_WARN_IF(!(mActor->SendOnMark(nsString(aName), aElapsedTime, aCharIndex)))) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/media/webspeech/synth/ipc/SpeechSynthesisParent.h b/dom/media/webspeech/synth/ipc/SpeechSynthesisParent.h
new file mode 100644
index 000000000..2edd7e28e
--- /dev/null
+++ b/dom/media/webspeech/synth/ipc/SpeechSynthesisParent.h
@@ -0,0 +1,108 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SpeechSynthesisParent_h
+#define mozilla_dom_SpeechSynthesisParent_h
+
+#include "mozilla/dom/PSpeechSynthesisParent.h"
+#include "mozilla/dom/PSpeechSynthesisRequestParent.h"
+#include "nsSpeechTask.h"
+
+namespace mozilla {
+namespace dom {
+
+class ContentParent;
+class SpeechTaskParent;
+class SpeechSynthesisRequestParent;
+
+class SpeechSynthesisParent : public PSpeechSynthesisParent
+{
+  friend class ContentParent;
+  friend class SpeechSynthesisRequestParent;
+
+public:
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  bool RecvReadVoicesAndState(InfallibleTArray<RemoteVoice>* aVoices,
+                              InfallibleTArray<nsString>* aDefaults,
+                              bool* aIsSpeaking) override;
+
+protected:
+  SpeechSynthesisParent();
+  virtual ~SpeechSynthesisParent();
+  PSpeechSynthesisRequestParent* AllocPSpeechSynthesisRequestParent(const nsString& aText,
+                                                                    const nsString& aLang,
+                                                                    const nsString& aUri,
+                                                                    const float& aVolume,
+                                                                    const float& aRate,
+                                                                    const float& aPitch)
+                                                                    override;
+
+  bool DeallocPSpeechSynthesisRequestParent(PSpeechSynthesisRequestParent* aActor) override;
+
+  bool RecvPSpeechSynthesisRequestConstructor(PSpeechSynthesisRequestParent* aActor,
+                                              const nsString& aText,
+                                              const nsString& aLang,
+                                              const nsString& aUri,
+                                              const float& aVolume,
+                                              const float& aRate,
+                                              const float& aPitch) override;
+};
+
+class SpeechSynthesisRequestParent : public PSpeechSynthesisRequestParent
+{
+public:
+  explicit SpeechSynthesisRequestParent(SpeechTaskParent* aTask);
+  virtual ~SpeechSynthesisRequestParent();
+
+  RefPtr<SpeechTaskParent> mTask;
+
+protected:
+
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  bool RecvPause() override;
+
+  bool RecvResume() override;
+
+  bool RecvCancel() override;
+
+  bool RecvForceEnd() override;
+
+  bool RecvSetAudioOutputVolume(const float& aVolume) override;
+
+  bool Recv__delete__() override;
+};
+
+class SpeechTaskParent : public nsSpeechTask
+{
+  friend class SpeechSynthesisRequestParent;
+public:
+  SpeechTaskParent(float aVolume, const nsAString& aUtterance)
+    : nsSpeechTask(aVolume, aUtterance) {}
+
+  nsresult DispatchStartImpl(const nsAString& aUri);
+
+  nsresult DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  nsresult DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  nsresult DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  nsresult DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  nsresult DispatchBoundaryImpl(const nsAString& aName,
+                                float aElapsedTime, uint32_t aCharIndex);
+
+  nsresult DispatchMarkImpl(const nsAString& aName,
+                            float aElapsedTime, uint32_t aCharIndex);
+
+private:
+  SpeechSynthesisRequestParent* mActor;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif