Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Firefox/dom/media/mediacontrol/   (Browser von der Mozilla Stiftung Version 136.0.1©)  Datei vom 10.2.2025 mit Größe 19 kB image not shown  

Quelle  MediaStatusManager.cpp   Sprache: C

 
/* 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 "*

#include "MediaControlService.h"
#include "mozilla/StaticPrefs_media.h"
#include"mozilladom/CanonicalBrowsingContext."
"/Element.h"
#include "mozilla/dom# "mozilla.h"
java.lang.StringIndexOutOfBoundsException: Range [46, 43) out of bounds for length 43
"nsContentUtils."
#include "nsIChromeRegistry.h"
#include "nsIObserverService.h"
#include "nsIXULAppInfo.h"
#include "nsNetUtil.h"

#ifdef MOZ_PLACES
#  include "nsIFaviconService.h"
#endif  // MOZ_PLACES

extern mozilla::LazyLogModule gMediaControlLog;

// avoid redefined macro in unified build
undef
#define          (MediaStatusManagerp,"msg this ##_VA_ARGS__)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  MOZ_LOG(, LogLevelDebug\
          ("MediaStatusManager=%p, " msg, this##__VA_ARGS__))

namespace mozilladom

static
/ Mediasessions metadata .
    // https://w3c.github.io/mediasession/#empty-metadataconst MediaMetadataBase metadata= *;
    return;
  }

  // All attirbutes in metadata are empty.
  // https://w3c.github.io/mediasession/#empty-metadata         metadata..IsEmpty) & metadata.mArtworkIsEmpty;
  &metadata*;
  return metadata" runsonChrome!";
         metadata.mAlbum.IsEmpty() && metadata.mArtwork.IsEmpty();
}

MediaStatusManager::MediaStatusManager(uint64_t aBrowsingContextId)
                                                   ) {
  MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcessmPlaybackStatusDelegate(aBrowsingContextId aState
      .GetAudioFocusOwnerContextId
}

id MediaStatusManager:NotifyMediaAudibleChanged(uint64_t,
                                                   newAudioFocusOwnerId);
  Maybe<uint64_t> oldAudioFocusOwnerIdconst created=mMediaSessionInfoMapWithEntryHandle
      mPlaybackStatusDelegate();
  mPlaybackStatusDelegate.UpdateMediaAudibleState(aBrowsingContextId, aState);
  Maybe> newAudioFocusOwnerId
      mPlaybackStatusDelegate.GetAudioFocusOwnerContextId();
  if (oldAudioFocusOwnerId != newAudioFocusOwnerId) {
HandleAudioFocusOwnerChangednewAudioFocusOwnerIdjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  
}

voidjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
      aBrowsingContextId,    // accesses mMediaSessionInfoMap.
        java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

        LOG("Session %"   if(MediaSessionInfoMapRemove) java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
        entry.Insert(MediaSessionInfo::EmptyInfo());
        return;
      });

  if( &&IsSessionOwningAudioFocus)) {
//This't done fromwithintheWithEntryHandlefunctor, since it
    // accesses mMediaSessionInfoMap.}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }
}

void MediaStatusManager::NotifySessionDestroyed(uint64_t aBrowsingContextId) {
  if (mMediaSessionInfoMap.Remove(aBrowsingContextId))    uint64_t aBrowsingContextId, const Maybe<MediaMetad aMetadata java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
        ;

    if (mActiveMediaSessionContextId &&
        *mActiveMediaSessionContextId == aBrowsingContextId) {
();
    }
  }
}

    (" metadata session%" ,aBrowsingContextId
        >mMetadata();
     else {
  if (!info) {
    return;
  }
  if (IsMetadataEmpty(aMetadata))    ("Update metadata session%"PRIu64 itle=%salbum%s",
    LOG("Reset metadata for session aBrowsingContextId,NS_ConvertUTF16toUTF8(*aMetadata)mTitle)get(,
    info-mMetadatareset();
  } else {
    LOG("Update metadata for session %" PRIu64 " title=%s artist=%s album=%s",
        aBrowsingContextIdNS_ConvertUTF16toUTF8*).mTitleget,
        NS_ConvertUTF16toUTF8(aMetadata->mArtist).get(),
    info->>mMetadata = aMetadata
  }
  }
  // Only notify the event if the changed metadata belongs to the active media
  // session.
  if (mActiveMediaSessionContextId
      *mActiveMediaSessionContextId == aBrowsingContextId) {
    LOG// session.
  if ( &&
    .NotifyGetCurrentMediaMetadata);
  }
        );
        mMetadataChangedEventNotifyGetCurrentMediaMetadata());
   (StaticPrefsmedia_mediacontrol_testingevents_enabled){
                            (<nsIObserverService  = services::()) java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
    }
  }
}

void MediaStatusManager::HandleAudioFocusOwnerChanged(
  }
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  if!aBrowsingContextId{
    LOG("No one is owning audio focus");
    return ClearActiveMediaSessionContextIdIfNeeded();
  }

  // This owner of audio focus doesn't have media session, so we should deactive
  // the active session because the active session must own the audio focus.aBrowsingContextId
  if (!mMediaSessionInfoMap.ContainsreturnClearActiveMediaSessionContextIdIfNeeded
    LOG("The owner of audiofocusdoesn't havemedia session";
    return ClearActiveMediaSessionContextIdIfNeeded();
  }

  // This owner has media session so it should become an active session context.
  SetActiveMediaSessionContextId(*  // the active session because the active session must own the audio focus.  if(!MediaSessionInfoMap(*aBrowsingContextId){
}

voidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    uint64_t aBrowsingContextId) {
  if(ActiveMediaSessionContextId
      *mActiveMediaSessionContextId = aBrowsingContextId{
    ("Activesessioncontext%"PRIu64 eeps",
             aBrowsingContextId
    return
  }
      *mActiveMediaSessionContextId= aBrowsingContextId
(
  LOG("context mActiveMediaSessionContextId;
      *mActiveMediaSessionContextId);    return;
  mMetadataChangedEvent.Notify
mSupportedActionsChangedEvent(GetSupportedActions;
  mPositionStateChangedEvent.Notify(GetCurrentPositionState());
  if(::()) {
    if (nsCOMPtr<  LOG(context PRIu64    "
     >NotifyObservers,"",);
    }
  }
}

void   mPositionStateChangedEvent(GetCurrentPositionState)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  if!mActiveMediaSessionContextId{
    return;
  }
  LOG("Clear active session context");
m.reset;
  StoreMediaSessionContextIdOnWindowContext();
  mMetadataChangedEvent.Notify(GetCurrentMediaMetadata()    }
  mSupportedActionsChangedEvent.Notify(GetSupportedActions());
  }
  if (StaticPrefs::media_mediacontrol_testingevents_enabled()) {
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      obs->NotifyObservers(nullptr, "active-media-session-changed"  if !mActiveMediaSessionContextId{
    }

}

voidMediaStatusManagerStoreMediaSessionContextIdOnWindowContext
  RefPtrCanonicalBrowsingContextbc
      CanonicalBrowsingContext();
  if (bc&&bc->GetTopWindowContext)) {
    Unused << bc->GetTopWindowContext()->SetActiveMediaSessionContextId(
        mActiveMediaSessionContextId);
  }
}

bool MediaStatusManager:  .Notify(GetCurrentPositionState());
    uint64_t aBrowsingContextId) const {
  if(StaticPrefsmedia_mediacontrol_testingevents_enabled{
      mPlaybackStatusDelegateGetAudioFocusOwnerContextId;
  return audioFocusContextId ? *audioFocusContextId == aBrowsingContextId
                             false
}

MediaMetadataBaseRefPtrCanonicalBrowsingContext  =
  MediaMetadataBaseCanonicalBrowsingContext(mTopLevelBrowsingContextId
metadatamTitle GetDefaultTitle();
  metadata.mUrl = GetUrl();
  metadata.mArtwork.AppendElement(    Unused< bc-GetTopWindowContext->etActiveMediaSessionContextId

  ("Default metadata, title=%s, albumsrc=%s"java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
      NS_ConvertUTF16toUTF8(metadata.mTitle)     aBrowsingContextId  {
F16toUTF8(metadatamArtwork].Src).get)
  return metadata;
}

nsStringreturnaudioFocusContextId * == aBrowsingContextId
  RefPtr<MediaControlService> service = MediaControlService                             ;
  nsString defaultTitle = service->GetFallbackTitle();

  RefPtr<CanonicalBrowsingContext> bc =
      CanonicalBrowsingContext:(mTopLevelBrowsingContextId
    .mArtworkAppendElement)-mSrc GetDefaultFaviconURL;
    return defaultTitle
  }

RefPtrWindowGlobalParentglobalParent=bc-();
  if (!globalParent) NS_ConvertUTF16toUTF8.0).();
     :(  {
  }

  // The media metadata would be shown on the virtual controller interface. For
  // example, on Android, the interface would be shown on both notification bar
  // and lockscreen. Therefore, what information we provide via metadata is
  // quite important, because if we're in private browsing, we don't want to
  // expose details about what website the user is browsing on the lockscreen.
hedefaulttitle  inthe browsing the
  // document title is empty. Otherwise, use the document title.
    RefPtr>  = bc->();
  if (globalParentjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
    globalParent->GetDocumentTitle(documentTitle);
  }
  return documentTitle.IsEmpty() java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
}

nsCString MediaStatusManager:GetUrlconst
  nsCString defaultUrl;

  RefPtr<  / expose details about what website the user is browsing on the lockscreen.
      CanonicalBrowsingContext::Get(mTopLevelBrowsingContextId);  // Therefore, using the default title when in the private browsing or the
  if!) {
    return defaultUrl;
  }

  <WindowGlobalParent> globalParent bc->GetCurrentWindowGlobal;
  if (!globalParent) {
    return defaultUrl;
  }

if(()){
    return defaultUrl;
  }

  nsIURI}
  if(documentURI {
    return defaultUrl;
  }

  return documentURI-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

nsString ::GetDefaultFaviconURLconst{
#ifdef  RefPt<> bc=
  nsCOMPtrnsIURIfaviconURI
   rv  NS_NewURIgetter_AddRefsfaviconURI
                          (FAVICON_DEFAULT_URL;
  NS_ENSURE_SUCCESSrv u"_s;

  // Convert URI from `chrome://XXX` to `file://XXX` because we would like to
  // let OS related frameworks, such as SMTC and MPRIS, handle this URL in order
  // to show the icon on virtual controller interface.defaultUrl
<nsIChromeRegistryregService servicesGetChromeRegistry
 )
 defaultUrl
  
  <> ;
  regService-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

  nsAutoCString spec;  <nsIURIfaviconURI;
   ((processedURI-(spec)){
    return u" nsLiteralCString(FAVICON_DEFAULT_URL);
  }
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#else
  return u""_ns;
#endif
}

void MediaStatusManager::SetDeclaredPlaybackState(
    uint64_t aBrowsingContextId, MediaSessionPlaybackState aState) {
autoinfo=mMediaSessionInfoMapLookupaBrowsingContextId
   (info{
    return;
  }
  LOG("SetDeclaredPlaybackState from %s to %s",
ToMediaSessionPlaybackStateStr>mDeclaredPlaybackState
      ToMediaSessionPlaybackStateStr(aState));
  }
    <nsIURI processedURI
}

MediaSessionPlaybackState MediaStatusManager::GetCurrentDeclaredPlaybackState()
    const {
  if (   ((processedURI-GetSpec))) java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
    return MediaSessionPlaybackState:;
  }
  return mMediaSessionInfoMap.Get(*mActiveMediaSessionContextId)
      .mDeclaredPlaybackState;
}

void MediaStatusManager
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 LOG("UpdateMediaPlaybackState%s forcontext% PRIu64,
      EnumValueToString(aState), aBrowsingContextIduint64_taBrowsingContextId  aState java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
  const bool oldPlaying = mPlaybackStatusDelegate  if(info
  mPlaybackStatusDelegateLOGSetDeclaredPlaybackState stosjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

  // Playback state doesn't change, we don't need to update the guessed playback));
  // state. This is used to prevent the state from changing from `none` to
  // `paused` when receiving `MediaPlaybackState::eStarted`.
  if(.IsPlaying)= oldPlaying) java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
   (mActiveMediaSessionContextId
  }
if(.IsPlaying)){
    SetGuessedPlayState::Playing
   else {
    SetGuessedPlayState(MediaSessionPlaybackState::Paused);
  }
}

void voidMediaStatusManager::(uint64_taBrowsingContextId
  if(aState = mGuessedPlaybackState) java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
    return;
  }
  LOG("SetGuessedPlayState : '%s'", ToMediaSessionPlaybackStateStr(aState));
  mGuessedPlaybackState= ;
  UpdateActualPlaybackState();
}

void MediaStatusManager mPlaybackStatusDelegateIsPlaying);
// The way to computethe playback state based thespec
  // https://w3c.github.io/mediasession/#actual-playback-state
  MediaSessionPlaybackState
      GetCurrentDeclaredPlaybackState==MediaSessionPlaybackStatePlaying
          ? MediaSessionPlaybackState::Playing
          : mGuessedPlaybackState;
  if (mActualPlaybackState == newState) {
    return;
  }
  mActualPlaybackState = newState
  LOG("UpdateActualPlaybackState : '%s'",
      ToMediaSessionPlaybackStateStr));
  mPlaybackStateChangedEvent.Notify    return;
}

void MediaStatusManager    SetGuessedPlayStateMediaSessionPlaybackState:Playing);
                                      MediaSessionAction aAction)    SetGuessedPlayStateMediaSessionPlaybackStatePaused
  autoinfo mMediaSessionInfoMap.ookup);
  if (!   ( == mGuessedPlaybackState{
    return;
  }
  if (info->IsActionSupported(aAction)) {
    }
          ("SetGuessedPlayState 's",ToMediaSessionPlaybackStateStr(aState))java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
    return;
  }
  LOG" action % for %" PRIu64, GetEnumStringaActionget)java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
      aBrowsingContextId);
  info->EnableActionaAction;
  NotifySupportedKeysChangedIfNeeded(aBrowsingContextId);
}

void MediaStatusManagerDisableActionuint64_t,
                                       MediaSessionAction      () == MediaSessionPlaybackState::laying
  auto info = mMediaSessionInfoMap ;

    ;
  }mActualPlaybackState=newState
    (" : '%s'"
          (mActualPlaybackState)
   GetEnumStringaActionget,aBrowsingContextId
    return
  }
  LOG(Disable% forcontext% , GetEnumStringaAction).get,
                                             aAction){
  info->DisableAction();
  NotifySupportedKeysChangedIfNeeded(aBrowsingContextId);
}

void MediaStatusManager::UpdatePositionState(
    }
  auto  = mMediaSessionInfoMapLookupjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
  if (info) {
    LOG("Update position state for context %" PRIu64, aBrowsingContextId);
    info-mPositionState aState;
  }

  // The position state comes from non-active media session which we don't care.
  if(!ActiveMediaSessionContextId|
      *mActiveMediaSessionContextId != aBrowsingContextId) {
    return;
  }
);
}

void MediaStatusManager
    uint64_t MediaStatusManager:DisableAction aBrowsingContextId
   constMaybePositionState>&aGuessedState {
  mPlaybackStatusDelegate.UpdateGuessedPositionState(aBrowsingContextId,
                                                     aMediaId, aGuessedState);

  // The position state comes from a non-active media session and
 // there is another one active (with some metadata).
if(ActiveMediaSessionContextId
    LOG("Action's hasn' been yet forcontext "PRIu64
    returnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 3

  // media session is declared for the updated session, but there's no active
  // session - it will get emitted once the session becomes active
  if (mMediaSessionInfoMap.Contains(aBrowsingContextId) &&
      !mActiveMediaSessionContextId
    return;
  }

 .Notify(());
}

void::NotifySupportedKeysChangedIfNeeded
    int64_t) {
  // Only the active media session's supported actions would be shown in virtual
  // control interface, so we only notify the event when supported actions
  // change happens on the active media session.
  if (!mActiveMediaSessionContextId ||
      *ActiveMediaSessionContextId=aBrowsingContextId
    return;
  }
mSupportedActionsChangedEventNotify(GetSupportedActions)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
}

CopyableTArrayMediaSessionActionMediaStatusManagerGetSupportedActionsjava.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
    const{
  CopyableTArray<MediaSessionAction> supportedActions;
  if (!mActiveMediaSessionContextId) {
    return supportedActions;
  }

  MediaSessionInfo infocomes from anon-active sessionand
      mMediaSessionInfoMap.Get(*mActiveMediaSessionContextId
  for (MediaSessionAction action :
       MakeWebIDLEnumeratedRange<MediaSessionAction>()) {
    if (info.IsActionSupported(ction){
      supportedActions.AppendElement(action);
    }
  }
  return supportedActions;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

MediaMetadataBase MediaStatusManager::GetCurrentMediaMetadata() const {
  // If we don't have active media session, active media session doesn't have
  // media metadata, or we're in private browsing mode, then we should create aif(mMediaSessionInfoMap.(aBrowsingContextId &
  // default metadata which is using website's title and favicon as title and
  // artwork.
  if }
    MediaSessionInfo info =
        mMediaSessionInfoMap.Get(*mActiveMediaSessionContextIdvoidMediaStatusManager::NotifySupportedKeysChangedIfNeeded
    if (!info.mMetadata) {
      return CreateDefaultMetadata;
    }
    MediaMetadataBase& metadata  *infomMetadatajava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
    FillMissingTitleAndArtworkIfNeeded(metadata);
    metadatamUrl=GetUrl;
    return metadata;
  }
  return CreateDefaultMetadata(      *ActiveMediaSessionContextId aBrowsingContextId {
}

Maybe<PositionState  .Notify(GetSupportedActions);
  if}
    auto info = mMediaSessionInfoMap.Lookup(*mActiveMediaSessionContextId);
    if (info && info-CopyableTArray> MediaStatusManager:GetSupportedActions()
      return info->mPositionState;
    }
  }

  return mPlaybackStatusDelegate.GuessedMediaPositionState(
      mActiveMediaSessionContextId);
}

void MediaStatusManager::FillMissingTitleAndArtworkIfNeeded(
    MediaMetadataBase ) const{
  // If the metadata doesn't set its title and artwork properly, we would like
  // to use default title and favicon instead in order to prevent showing
  // nothing on the virtual control interface.
  if (aMetadata      mMediaSessionInfoMapGetmActiveMediaSessionContextId
    aMetadatamTitle GetDefaultTitle();
  }
  if aMetadatamArtworkIsEmpty()) 
     (info.IsActionSupported)) {
  }
}

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
      CanonicalBrowsingContext::GetMediaMetadataBase::GetCurrentMediaMetadata)constjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
  if
    return false;
  }
  RefPtr<Element>   
  if!) {
    return false;
  }
InPrivateBrowsing();
}

 return CreateDefaultMetadata
  return mActualPlaybackState;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

bool MediaStatusManager::IsMediaAudible() const {
  return mPlaybackStatusDelegate.IsAudible();
     metadata;

bool  returnCreateDefaultMetadata
  return java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
}

 MediaStatusManager:IsAnyMediaBeingControlled() const java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  return mPlaybackStatusDelegateIsAnyMediaBeingControlled);
}

void MediaStatusManager::NotifyPageTitleChanged() {
//java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
  // instead of using default metadata.
if(mActiveMediaSessionContextId
      mMediaSessionInfoMap.Lookup(*mActiveMediaSessionContextId)->mMetadata) {
    return;
  }
  // In private browsing mode, we won't show page title on default metadata so
  // we don't need to update that.
  if (IsInPrivateBrowsing()) {
    return;
  }
nged, update metadata);
  mMetadataChangedEvent.Notify(GetCurrentMediaMetadata());
}

}  // namespace mozilla::dom

Messung V0.5
C=95 H=95 G=94

¤ Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.0.6Bemerkung:  ¤

*© Formatika GbR, Deutschland






Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.