1 files changed, 97 insertions, 0 deletions
diff --git a/dom/media/gmp/widevine-adapter/WidevineFileIO.cpp b/dom/media/gmp/widevine-adapter/WidevineFileIO.cpp
new file mode 100644
index 000000000..b5fb1d705
--- /dev/null
+++ b/dom/media/gmp/widevine-adapter/WidevineFileIO.cpp
@@ -0,0 +1,97 @@
+#include "WidevineFileIO.h"
+#include "WidevineUtils.h"
+#include "WidevineAdapter.h"
+
+using namespace cdm;
+
+namespace mozilla {
+
+void
+WidevineFileIO::Open(const char* aFilename, uint32_t aFilenameLength)
+{
+  mName = std::string(aFilename, aFilename + aFilenameLength);
+  GMPRecord* record = nullptr;
+  GMPErr err = GMPCreateRecord(aFilename, aFilenameLength, &record, static_cast<GMPRecordClient*>(this));
+  if (GMP_FAILED(err)) {
+    Log("WidevineFileIO::Open() '%s' GMPCreateRecord failed", mName.c_str());
+    mClient->OnOpenComplete(FileIOClient::kError);
+    return;
+  }
+  if (GMP_FAILED(record->Open())) {
+    Log("WidevineFileIO::Open() '%s' record open failed", mName.c_str());
+    mClient->OnOpenComplete(FileIOClient::kError);
+    return;
+  }
+
+  Log("WidevineFileIO::Open() '%s'", mName.c_str());
+  mRecord = record;
+}
+
+void
+WidevineFileIO::Read()
+{
+  if (!mRecord) {
+    Log("WidevineFileIO::Read() '%s' used uninitialized!", mName.c_str());
+    mClient->OnReadComplete(FileIOClient::kError, nullptr, 0);
+    return;
+  }
+  Log("WidevineFileIO::Read() '%s'", mName.c_str());
+  mRecord->Read();
+}
+
+void
+WidevineFileIO::Write(const uint8_t* aData, uint32_t aDataSize)
+{
+  if (!mRecord) {
+    Log("WidevineFileIO::Write() '%s' used uninitialized!", mName.c_str());
+    mClient->OnWriteComplete(FileIOClient::kError);
+    return;
+  }
+  mRecord->Write(aData, aDataSize);
+}
+
+void
+WidevineFileIO::Close()
+{
+  Log("WidevineFileIO::Close() '%s'", mName.c_str());
+  if (mRecord) {
+    mRecord->Close();
+    mRecord = nullptr;
+  }
+  delete this;
+}
+
+static FileIOClient::Status
+GMPToWidevineFileStatus(GMPErr aStatus)
+{
+  switch (aStatus) {
+    case GMPRecordInUse: return FileIOClient::kInUse;
+    case GMPNoErr: return FileIOClient::kSuccess;
+    default: return FileIOClient::kError;
+  }
+}
+
+void
+WidevineFileIO::OpenComplete(GMPErr aStatus)
+{
+  Log("WidevineFileIO::OpenComplete() '%s' status=%d", mName.c_str(), aStatus);
+  mClient->OnOpenComplete(GMPToWidevineFileStatus(aStatus));
+}
+
+void
+WidevineFileIO::ReadComplete(GMPErr aStatus,
+                             const uint8_t* aData,
+                             uint32_t aDataSize)
+{
+  Log("WidevineFileIO::OnReadComplete() '%s' status=%d", mName.c_str(), aStatus);
+  mClient->OnReadComplete(GMPToWidevineFileStatus(aStatus), aData, aDataSize);
+}
+
+void
+WidevineFileIO::WriteComplete(GMPErr aStatus)
+{
+  Log("WidevineFileIO::WriteComplete() '%s' status=%d", mName.c_str(), aStatus);
+  mClient->OnWriteComplete(GMPToWidevineFileStatus(aStatus));
+}
+
+} // namespace mozilla