1 files changed, 137 insertions, 0 deletions
diff --git a/dom/media/webspeech/synth/SpeechSynthesisUtterance.cpp b/dom/media/webspeech/synth/SpeechSynthesisUtterance.cpp
new file mode 100644
index 0000000000..4d8dcd5c12
--- /dev/null
+++ b/dom/media/webspeech/synth/SpeechSynthesisUtterance.cpp
@@ -0,0 +1,137 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsGkAtoms.h"
+
+#include "mozilla/dom/SpeechSynthesisEvent.h"
+#include "mozilla/dom/SpeechSynthesisUtteranceBinding.h"
+#include "SpeechSynthesisUtterance.h"
+#include "SpeechSynthesisVoice.h"
+
+#include <stdlib.h>
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(SpeechSynthesisUtterance,
+                                   DOMEventTargetHelper, mVoice);
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SpeechSynthesisUtterance)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+NS_IMPL_ADDREF_INHERITED(SpeechSynthesisUtterance, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(SpeechSynthesisUtterance, DOMEventTargetHelper)
+
+SpeechSynthesisUtterance::SpeechSynthesisUtterance(
+    nsPIDOMWindowInner* aOwnerWindow, const nsAString& text)
+    : DOMEventTargetHelper(aOwnerWindow),
+      mText(text),
+      mVolume(1),
+      mRate(1),
+      mPitch(1),
+      mPaused(false),
+      mShouldResistFingerprinting(
+          aOwnerWindow->AsGlobal()->ShouldResistFingerprinting(
+              RFPTarget::SpeechSynthesis)) {}
+
+SpeechSynthesisUtterance::~SpeechSynthesisUtterance() = default;
+
+JSObject* SpeechSynthesisUtterance::WrapObject(
+    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+  return SpeechSynthesisUtterance_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+nsISupports* SpeechSynthesisUtterance::GetParentObject() const {
+  return GetOwner();
+}
+
+already_AddRefed<SpeechSynthesisUtterance>
+SpeechSynthesisUtterance::Constructor(GlobalObject& aGlobal, ErrorResult& aRv) {
+  return Constructor(aGlobal, u""_ns, aRv);
+}
+
+already_AddRefed<SpeechSynthesisUtterance>
+SpeechSynthesisUtterance::Constructor(GlobalObject& aGlobal,
+                                      const nsAString& aText,
+                                      ErrorResult& aRv) {
+  nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(aGlobal.GetAsSupports());
+
+  if (!win) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  RefPtr<SpeechSynthesisUtterance> object =
+      new SpeechSynthesisUtterance(win, aText);
+  return object.forget();
+}
+
+void SpeechSynthesisUtterance::GetText(nsString& aResult) const {
+  aResult = mText;
+}
+
+void SpeechSynthesisUtterance::SetText(const nsAString& aText) {
+  mText = aText;
+}
+
+void SpeechSynthesisUtterance::GetLang(nsString& aResult) const {
+  aResult = mLang;
+}
+
+void SpeechSynthesisUtterance::SetLang(const nsAString& aLang) {
+  mLang = aLang;
+}
+
+SpeechSynthesisVoice* SpeechSynthesisUtterance::GetVoice() const {
+  return mVoice;
+}
+
+void SpeechSynthesisUtterance::SetVoice(SpeechSynthesisVoice* aVoice) {
+  mVoice = aVoice;
+}
+
+float SpeechSynthesisUtterance::Volume() const { return mVolume; }
+
+void SpeechSynthesisUtterance::SetVolume(float aVolume) {
+  mVolume = std::max<float>(std::min<float>(aVolume, 1), 0);
+}
+
+float SpeechSynthesisUtterance::Rate() const { return mRate; }
+
+void SpeechSynthesisUtterance::SetRate(float aRate) {
+  mRate = std::max<float>(std::min<float>(aRate, 10), 0.1f);
+}
+
+float SpeechSynthesisUtterance::Pitch() const { return mPitch; }
+
+void SpeechSynthesisUtterance::SetPitch(float aPitch) {
+  mPitch = std::max<float>(std::min<float>(aPitch, 2), 0);
+}
+
+void SpeechSynthesisUtterance::GetChosenVoiceURI(nsString& aResult) const {
+  aResult = mChosenVoiceURI;
+}
+
+void SpeechSynthesisUtterance::DispatchSpeechSynthesisEvent(
+    const nsAString& aEventType, uint32_t aCharIndex,
+    const Nullable<uint32_t>& aCharLength, float aElapsedTime,
+    const nsAString& aName) {
+  SpeechSynthesisEventInit init;
+  init.mBubbles = false;
+  init.mCancelable = false;
+  init.mUtterance = this;
+  init.mCharIndex = aCharIndex;
+  init.mCharLength = aCharLength;
+  init.mElapsedTime = aElapsedTime;
+  init.mName = aName;
+
+  RefPtr<SpeechSynthesisEvent> event =
+      SpeechSynthesisEvent::Constructor(this, aEventType, init);
+  DispatchTrustedEvent(event);
+}
+
+}  // namespace mozilla::dom