gecko-dev/widget/windows/nsSound.cpp

306 строки
7.4 KiB
C++

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