зеркало из https://github.com/mozilla/gecko-dev.git
306 строки
7.4 KiB
C++
306 строки
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 "nscore.h"
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#include "plstr.h"
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#include <stdio.h>
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#include "nsString.h"
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#include <windows.h>
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// mmsystem.h is needed to build with WIN32_LEAN_AND_MEAN
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#include <mmsystem.h>
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#include "nsSound.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsContentUtils.h"
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#include "nsCRT.h"
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#include "mozilla/Logging.h"
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#include "prtime.h"
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#include "prprf.h"
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#include "prmem.h"
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#include "nsNativeCharsetUtils.h"
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#include "nsThreadUtils.h"
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using mozilla::LogLevel;
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PRLogModuleInfo* gWin32SoundLog = nullptr;
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class nsSoundPlayer: public nsRunnable {
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public:
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nsSoundPlayer(nsSound *aSound, const wchar_t* aSoundName) :
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mSoundName(aSoundName), mSound(aSound)
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{
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Init();
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}
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nsSoundPlayer(nsSound *aSound, const nsAString& aSoundName) :
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mSoundName(aSoundName), mSound(aSound)
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{
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Init();
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}
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NS_DECL_NSIRUNNABLE
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protected:
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nsString mSoundName;
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nsSound *mSound; // Strong, but this will be released from SoundReleaser.
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nsCOMPtr<nsIThread> mThread;
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void Init()
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{
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NS_GetCurrentThread(getter_AddRefs(mThread));
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NS_ASSERTION(mThread, "failed to get current thread");
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NS_IF_ADDREF(mSound);
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}
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class SoundReleaser: public nsRunnable {
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public:
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SoundReleaser(nsSound* aSound) :
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mSound(aSound)
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{
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}
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NS_DECL_NSIRUNNABLE
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protected:
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nsSound *mSound;
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};
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};
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NS_IMETHODIMP
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nsSoundPlayer::Run()
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{
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PR_SetCurrentThreadName("Play Sound");
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NS_PRECONDITION(!mSoundName.IsEmpty(), "Sound name should not be empty");
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::PlaySoundW(mSoundName.get(), nullptr,
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SND_NODEFAULT | SND_ALIAS | SND_ASYNC);
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nsCOMPtr<nsIRunnable> releaser = new SoundReleaser(mSound);
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// Don't release nsSound from here, because here is not an owning thread of
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// the nsSound. nsSound must be released in its owning thread.
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mThread->Dispatch(releaser, NS_DISPATCH_NORMAL);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSoundPlayer::SoundReleaser::Run()
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{
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mSound->ShutdownOldPlayerThread();
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NS_IF_RELEASE(mSound);
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return NS_OK;
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}
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#ifndef SND_PURGE
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// Not available on Windows CE, and according to MSDN
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// doesn't do anything on recent windows either.
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#define SND_PURGE 0
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#endif
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NS_IMPL_ISUPPORTS(nsSound, nsISound, nsIStreamLoaderObserver)
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nsSound::nsSound()
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{
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if (!gWin32SoundLog) {
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gWin32SoundLog = PR_NewLogModule("nsSound");
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}
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mLastSound = nullptr;
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}
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nsSound::~nsSound()
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{
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NS_ASSERTION(!mPlayerThread, "player thread is not null but should be");
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PurgeLastSound();
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}
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void nsSound::ShutdownOldPlayerThread()
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{
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if (mPlayerThread) {
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mPlayerThread->Shutdown();
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mPlayerThread = nullptr;
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}
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}
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void nsSound::PurgeLastSound()
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{
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if (mLastSound) {
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// Halt any currently playing sound.
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::PlaySound(nullptr, nullptr, SND_PURGE);
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// Now delete the buffer.
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free(mLastSound);
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mLastSound = nullptr;
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}
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}
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NS_IMETHODIMP nsSound::Beep()
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{
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::MessageBeep(0);
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return NS_OK;
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}
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NS_IMETHODIMP nsSound::OnStreamComplete(nsIStreamLoader *aLoader,
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nsISupports *context,
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nsresult aStatus,
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uint32_t dataLen,
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const uint8_t *data)
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{
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// print a load error on bad status
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if (NS_FAILED(aStatus)) {
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#ifdef DEBUG
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if (aLoader) {
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nsCOMPtr<nsIRequest> request;
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nsCOMPtr<nsIChannel> channel;
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aLoader->GetRequest(getter_AddRefs(request));
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if (request)
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channel = do_QueryInterface(request);
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if (channel) {
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nsCOMPtr<nsIURI> uri;
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channel->GetURI(getter_AddRefs(uri));
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if (uri) {
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nsAutoCString uriSpec;
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uri->GetSpec(uriSpec);
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MOZ_LOG(gWin32SoundLog, LogLevel::Info,
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("Failed to load %s\n", uriSpec.get()));
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}
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}
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}
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#endif
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return aStatus;
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}
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ShutdownOldPlayerThread();
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PurgeLastSound();
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if (data && dataLen > 0) {
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DWORD flags = SND_MEMORY | SND_NODEFAULT;
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// We try to make a copy so we can play it async.
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mLastSound = (uint8_t *) malloc(dataLen);
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if (mLastSound) {
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memcpy(mLastSound, data, dataLen);
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data = mLastSound;
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flags |= SND_ASYNC;
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}
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::PlaySoundW(reinterpret_cast<LPCWSTR>(data), 0, flags);
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsSound::Play(nsIURL *aURL)
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{
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nsresult rv;
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#ifdef DEBUG_SOUND
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char *url;
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aURL->GetSpec(&url);
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MOZ_LOG(gWin32SoundLog, LogLevel::Info,
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("%s\n", url));
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#endif
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nsCOMPtr<nsIStreamLoader> loader;
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rv = NS_NewStreamLoader(getter_AddRefs(loader),
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aURL,
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this, // aObserver
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nsContentUtils::GetSystemPrincipal(),
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nsILoadInfo::SEC_NORMAL,
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nsIContentPolicy::TYPE_OTHER);
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return rv;
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}
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NS_IMETHODIMP nsSound::Init()
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{
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// This call halts a sound if it was still playing.
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// We have to use the sound library for something to make sure
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// it is initialized.
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// If we wait until the first sound is played, there will
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// be a time lag as the library gets loaded.
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::PlaySound(nullptr, nullptr, SND_PURGE);
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return NS_OK;
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}
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NS_IMETHODIMP nsSound::PlaySystemSound(const nsAString &aSoundAlias)
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{
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ShutdownOldPlayerThread();
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PurgeLastSound();
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if (!NS_IsMozAliasSound(aSoundAlias)) {
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if (aSoundAlias.IsEmpty())
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return NS_OK;
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nsCOMPtr<nsIRunnable> player = new nsSoundPlayer(this, aSoundAlias);
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NS_ENSURE_TRUE(player, NS_ERROR_OUT_OF_MEMORY);
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nsresult rv = NS_NewThread(getter_AddRefs(mPlayerThread), player);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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NS_WARNING("nsISound::playSystemSound is called with \"_moz_\" events, they are obsolete, use nsISound::playEventSound instead");
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uint32_t eventId;
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if (aSoundAlias.Equals(NS_SYSSOUND_MAIL_BEEP))
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eventId = EVENT_NEW_MAIL_RECEIVED;
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else if (aSoundAlias.Equals(NS_SYSSOUND_CONFIRM_DIALOG))
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eventId = EVENT_CONFIRM_DIALOG_OPEN;
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else if (aSoundAlias.Equals(NS_SYSSOUND_ALERT_DIALOG))
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eventId = EVENT_ALERT_DIALOG_OPEN;
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else if (aSoundAlias.Equals(NS_SYSSOUND_MENU_EXECUTE))
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eventId = EVENT_MENU_EXECUTE;
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else if (aSoundAlias.Equals(NS_SYSSOUND_MENU_POPUP))
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eventId = EVENT_MENU_POPUP;
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else
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return NS_OK;
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return PlayEventSound(eventId);
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}
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NS_IMETHODIMP nsSound::PlayEventSound(uint32_t aEventId)
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{
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ShutdownOldPlayerThread();
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PurgeLastSound();
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const wchar_t *sound = nullptr;
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switch (aEventId) {
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case EVENT_NEW_MAIL_RECEIVED:
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sound = L"MailBeep";
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break;
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case EVENT_ALERT_DIALOG_OPEN:
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sound = L"SystemExclamation";
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break;
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case EVENT_CONFIRM_DIALOG_OPEN:
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sound = L"SystemQuestion";
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break;
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case EVENT_MENU_EXECUTE:
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sound = L"MenuCommand";
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break;
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case EVENT_MENU_POPUP:
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sound = L"MenuPopup";
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break;
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case EVENT_EDITOR_MAX_LEN:
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sound = L".Default";
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break;
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default:
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// Win32 plays no sounds at NS_SYSSOUND_PROMPT_DIALOG and
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// NS_SYSSOUND_SELECT_DIALOG.
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return NS_OK;
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}
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NS_ASSERTION(sound, "sound is null");
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nsCOMPtr<nsIRunnable> player = new nsSoundPlayer(this, sound);
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NS_ENSURE_TRUE(player, NS_ERROR_OUT_OF_MEMORY);
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nsresult rv = NS_NewThread(getter_AddRefs(mPlayerThread), player);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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