GMPParent*
GeckoMediaPluginServiceParent::SelectPluginForAPI(const nsACString& aNodeId,
const nsCString& aAPI,
const nsTArray<nsCString>& aTags)
{
MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread,
"Can't clone GMP plugins on non-GMP threads.");
GMPParent* gmpToClone = nullptr;
{
MutexAutoLock lock(mMutex);
size_t index = 0;
GMPParent* gmp = nullptr;
while ((gmp = FindPluginForAPIFrom(index, aAPI, aTags, &index))) {
if (aNodeId.IsEmpty()) {
if (gmp->CanBeSharedCrossNodeIds()) {
return gmp;
}
} else if (gmp->CanBeUsedFrom(aNodeId)) {
MOZ_ASSERT(!aNodeId.IsEmpty());
gmp->SetNodeId(aNodeId);
return gmp;
}
if (!gmpToClone ||
(gmpToClone->IsMarkedForDeletion() && !gmp->IsMarkedForDeletion())) {
// This GMP has the correct type but has the wrong nodeId; hold on to it
// in case we need to clone it.
// Prefer GMPs in-use for the case where an upgraded plugin version is
// waiting for the old one to die. If the old plugin is in use, we
// should continue using it so that any persistent state remains
// consistent. Otherwise, just check that the plugin isn't scheduled
// for deletion.
gmpToClone = gmp;
}
// Loop around and try the next plugin; it may be usable from aNodeId.
index++;
}
}
// Plugin exists, but we can't use it due to cross-origin separation. Create a
// new one.
if (gmpToClone) {
GMPParent* clone = ClonePlugin(gmpToClone);
if (!aNodeId.IsEmpty()) {
clone->SetNodeId(aNodeId);
}
return clone;
}
if (aAPI.EqualsLiteral(GMP_API_DECRYPTOR)) {
// XXX to remove in bug 1147692
return SelectPluginForAPI(aNodeId,
NS_LITERAL_CSTRING(GMP_API_DECRYPTOR_COMPAT),
aTags);
}
return nullptr;
}
GMPParent*
GeckoMediaPluginServiceParent::SelectPluginForAPI(const nsACString& aNodeId,
const nsCString& aAPI,
const nsTArray<nsCString>& aTags)
{
MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread,
"Can't clone GMP plugins on non-GMP threads.");
GMPParent* gmpToClone = nullptr;
{
MutexAutoLock lock(mMutex);
size_t index = 0;
GMPParent* gmp = nullptr;
while ((gmp = FindPluginForAPIFrom(index, aAPI, aTags, &index))) {
if (aNodeId.IsEmpty()) {
if (gmp->CanBeSharedCrossNodeIds()) {
return gmp;
}
} else if (gmp->CanBeUsedFrom(aNodeId)) {
MOZ_ASSERT(!aNodeId.IsEmpty());
gmp->SetNodeId(aNodeId);
return gmp;
}
// This GMP has the correct type but has the wrong nodeId; hold on to it
// in case we need to clone it.
gmpToClone = gmp;
// Loop around and try the next plugin; it may be usable from aNodeId.
index++;
}
}
// Plugin exists, but we can't use it due to cross-origin separation. Create a
// new one.
if (gmpToClone) {
GMPParent* clone = ClonePlugin(gmpToClone);
if (!aNodeId.IsEmpty()) {
clone->SetNodeId(aNodeId);
}
return clone;
}
if (aAPI.EqualsLiteral(GMP_API_DECRYPTOR)) {
// XXX to remove in bug 1147692
return SelectPluginForAPI(aNodeId,
NS_LITERAL_CSTRING(GMP_API_DECRYPTOR_COMPAT),
aTags);
}
return nullptr;
}
NS_IMETHODIMP
GeckoMediaPluginServiceParent::GetPluginVersionForAPI(const nsACString& aAPI,
nsTArray<nsCString>* aTags,
bool* aHasPlugin,
nsACString& aOutVersion)
{
NS_ENSURE_ARG(aTags && aTags->Length() > 0);
NS_ENSURE_ARG(aHasPlugin);
NS_ENSURE_ARG(aOutVersion.IsEmpty());
nsresult rv = EnsurePluginsOnDiskScanned();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to load GMPs from disk.");
return rv;
}
{
MutexAutoLock lock(mMutex);
nsCString api(aAPI);
size_t index = 0;
// We must parse the version number into a float for comparison. Yuck.
double maxParsedVersion = -1.;
*aHasPlugin = false;
while (GMPParent* gmp = FindPluginForAPIFrom(index, api, *aTags, &index)) {
*aHasPlugin = true;
double parsedVersion = atof(gmp->GetVersion().get());
if (maxParsedVersion < 0 || parsedVersion > maxParsedVersion) {
maxParsedVersion = parsedVersion;
aOutVersion = gmp->GetVersion();
}
index++;
}
}
return NS_OK;
}
