void
CDMCaps::AutoLock::NotifyWhenKeyIdUsable(const CencKeyId& aKey,
SamplesWaitingForKey* aListener)
{
mData.mMonitor.AssertCurrentThreadOwns();
MOZ_ASSERT(!IsKeyUsable(aKey));
MOZ_ASSERT(aListener);
mData.mWaitForKeys.AppendElement(WaitForKeys(aKey, aListener));
}
void
CDMCaps::AutoLock::CallWhenKeyUsable(const CencKeyId& aKey,
nsIRunnable* aContinuation,
nsIThread* aTarget)
{
mData.mMonitor.AssertCurrentThreadOwns();
MOZ_ASSERT(!IsKeyUsable(aKey));
MOZ_ASSERT(aContinuation);
mData.mWaitForKeys.AppendElement(WaitForKeys(aKey, aContinuation, aTarget));
}
RefPtr<SamplesWaitingForKey::WaitForKeyPromise>
SamplesWaitingForKey::WaitIfKeyNotUsable(MediaRawData* aSample)
{
if (!aSample || !aSample->mCrypto.mValid || !mProxy) {
return WaitForKeyPromise::CreateAndResolve(aSample, __func__);
}
auto caps = mProxy->Capabilites().Lock();
const auto& keyid = aSample->mCrypto.mKeyId;
if (caps->IsKeyUsable(keyid)) {
return WaitForKeyPromise::CreateAndResolve(aSample, __func__);
}
SampleEntry entry;
entry.mSample = aSample;
RefPtr<WaitForKeyPromise> p = entry.mPromise.Ensure(__func__);
{
MutexAutoLock lock(mMutex);
mSamples.AppendElement(std::move(entry));
}
if (mOnWaitingForKeyEvent) {
mOnWaitingForKeyEvent->Notify(mType);
}
caps->NotifyWhenKeyIdUsable(aSample->mCrypto.mKeyId, this);
return p;
}
