1 files changed, 89 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPUtils.h b/dom/media/gmp/GMPUtils.h
new file mode 100644
index 000000000..7e7b9f26f
--- /dev/null
+++ b/dom/media/gmp/GMPUtils.h
@@ -0,0 +1,89 @@
+/* -*- 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/. */
+
+#ifndef GMPUtils_h_
+#define GMPUtils_h_
+
+#include "mozilla/UniquePtr.h"
+#include "nsTArray.h"
+#include "nsCOMPtr.h"
+#include "nsClassHashtable.h"
+
+class nsIFile;
+class nsCString;
+class nsISimpleEnumerator;
+
+namespace mozilla {
+
+template<typename T>
+struct DestroyPolicy
+{
+  void operator()(T* aGMPObject) const {
+    aGMPObject->Destroy();
+  }
+};
+
+template<typename T>
+using GMPUniquePtr = mozilla::UniquePtr<T, DestroyPolicy<T>>;
+
+bool GetEMEVoucherPath(nsIFile** aPath);
+
+bool EMEVoucherFileExists();
+
+void
+SplitAt(const char* aDelims,
+        const nsACString& aInput,
+        nsTArray<nsCString>& aOutTokens);
+
+nsCString
+ToBase64(const nsTArray<uint8_t>& aBytes);
+
+bool
+FileExists(nsIFile* aFile);
+
+// Enumerate directory entries for a specified path.
+class DirectoryEnumerator {
+public:
+
+  enum Mode {
+    DirsOnly, // Enumeration only includes directories.
+    FilesAndDirs // Enumeration includes directories and non-directory files.
+  };
+
+  DirectoryEnumerator(nsIFile* aPath, Mode aMode);
+
+  already_AddRefed<nsIFile> Next();
+
+private:
+  Mode mMode;
+  nsCOMPtr<nsISimpleEnumerator> mIter;
+};
+
+class GMPInfoFileParser {
+public:
+  bool Init(nsIFile* aFile);
+  bool Contains(const nsCString& aKey) const;
+  nsCString Get(const nsCString& aKey) const;
+private:
+  nsClassHashtable<nsCStringHashKey, nsCString> mValues;
+};
+
+bool
+ReadIntoArray(nsIFile* aFile,
+              nsTArray<uint8_t>& aOutDst,
+              size_t aMaxLength);
+
+bool
+ReadIntoString(nsIFile* aFile,
+               nsCString& aOutDst,
+               size_t aMaxLength);
+
+bool
+HaveGMPFor(const nsCString& aAPI,
+           nsTArray<nsCString>&& aTags);
+
+} // namespace mozilla
+
+#endif