зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
4.0 KiB
C++
138 строки
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsGkAtoms.h"
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#include "mozilla/dom/SpeechSynthesisEvent.h"
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#include "mozilla/dom/SpeechSynthesisUtteranceBinding.h"
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#include "SpeechSynthesisUtterance.h"
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#include "SpeechSynthesisVoice.h"
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#include <stdlib.h>
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_INHERITED(SpeechSynthesisUtterance,
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DOMEventTargetHelper, mVoice);
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SpeechSynthesisUtterance)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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NS_IMPL_ADDREF_INHERITED(SpeechSynthesisUtterance, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(SpeechSynthesisUtterance, DOMEventTargetHelper)
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SpeechSynthesisUtterance::SpeechSynthesisUtterance(
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nsPIDOMWindowInner* aOwnerWindow, const nsAString& text)
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: DOMEventTargetHelper(aOwnerWindow),
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mText(text),
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mVolume(1),
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mRate(1),
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mPitch(1),
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mState(STATE_NONE),
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mPaused(false) {}
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SpeechSynthesisUtterance::~SpeechSynthesisUtterance() {}
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JSObject* SpeechSynthesisUtterance::WrapObject(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
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return SpeechSynthesisUtterance_Binding::Wrap(aCx, this, aGivenProto);
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}
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nsISupports* SpeechSynthesisUtterance::GetParentObject() const {
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return GetOwner();
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}
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already_AddRefed<SpeechSynthesisUtterance>
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SpeechSynthesisUtterance::Constructor(GlobalObject& aGlobal, ErrorResult& aRv) {
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return Constructor(aGlobal, EmptyString(), aRv);
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}
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already_AddRefed<SpeechSynthesisUtterance>
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SpeechSynthesisUtterance::Constructor(GlobalObject& aGlobal,
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const nsAString& aText,
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ErrorResult& aRv) {
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nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(aGlobal.GetAsSupports());
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if (!win) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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RefPtr<SpeechSynthesisUtterance> object =
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new SpeechSynthesisUtterance(win, aText);
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return object.forget();
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}
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void SpeechSynthesisUtterance::GetText(nsString& aResult) const {
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aResult = mText;
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}
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void SpeechSynthesisUtterance::SetText(const nsAString& aText) {
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mText = aText;
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}
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void SpeechSynthesisUtterance::GetLang(nsString& aResult) const {
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aResult = mLang;
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}
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void SpeechSynthesisUtterance::SetLang(const nsAString& aLang) {
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mLang = aLang;
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}
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SpeechSynthesisVoice* SpeechSynthesisUtterance::GetVoice() const {
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return mVoice;
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}
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void SpeechSynthesisUtterance::SetVoice(SpeechSynthesisVoice* aVoice) {
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mVoice = aVoice;
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}
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float SpeechSynthesisUtterance::Volume() const { return mVolume; }
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void SpeechSynthesisUtterance::SetVolume(float aVolume) {
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mVolume = std::max<float>(std::min<float>(aVolume, 1), 0);
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}
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float SpeechSynthesisUtterance::Rate() const { return mRate; }
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void SpeechSynthesisUtterance::SetRate(float aRate) {
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mRate = std::max<float>(std::min<float>(aRate, 10), 0.1f);
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}
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float SpeechSynthesisUtterance::Pitch() const { return mPitch; }
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void SpeechSynthesisUtterance::SetPitch(float aPitch) {
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mPitch = std::max<float>(std::min<float>(aPitch, 2), 0);
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}
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void SpeechSynthesisUtterance::GetChosenVoiceURI(nsString& aResult) const {
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aResult = mChosenVoiceURI;
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}
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void SpeechSynthesisUtterance::DispatchSpeechSynthesisEvent(
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const nsAString& aEventType, uint32_t aCharIndex,
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const Nullable<uint32_t>& aCharLength, float aElapsedTime,
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const nsAString& aName) {
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SpeechSynthesisEventInit init;
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init.mBubbles = false;
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init.mCancelable = false;
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init.mUtterance = this;
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init.mCharIndex = aCharIndex;
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init.mCharLength = aCharLength;
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init.mElapsedTime = aElapsedTime;
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init.mName = aName;
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RefPtr<SpeechSynthesisEvent> event =
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SpeechSynthesisEvent::Constructor(this, aEventType, init);
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DispatchTrustedEvent(event);
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}
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} // namespace dom
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} // namespace mozilla
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