Add m-esr52 at 52.6.0

1 files changed, 109 insertions, 0 deletions

diff --git a/dom/media/mediasource/MediaSourceResource.h b/dom/media/mediasource/MediaSourceResource.h
new file mode 100644
index 000000000..3ce4ebb52
--- /dev/null
+++ b/dom/media/mediasource/MediaSourceResource.h
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 MOZILLA_MEDIASOURCERESOURCE_H_
+#define MOZILLA_MEDIASOURCERESOURCE_H_
+
+#include "MediaResource.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/Logging.h"
+
+extern mozilla::LogModule* GetMediaSourceLog();
+
+#define MSE_DEBUG(arg, ...) MOZ_LOG(GetMediaSourceLog(), mozilla::LogLevel::Debug, ("MediaSourceResource(%p:%s)::%s: " arg, this, mType.get(), __func__, ##__VA_ARGS__))
+
+#define UNIMPLEMENTED() MSE_DEBUG("UNIMPLEMENTED FUNCTION at %s:%d", __FILE__, __LINE__)
+
+namespace mozilla {
+
+class MediaSourceResource final : public MediaResource
+{
+public:
+  explicit MediaSourceResource(nsIPrincipal* aPrincipal = nullptr)
+    : mPrincipal(aPrincipal)
+    , mMonitor("MediaSourceResource")
+    , mEnded(false)
+    {}
+
+  nsresult Close() override { return NS_OK; }
+  void Suspend(bool aCloseImmediately) override { UNIMPLEMENTED(); }
+  void Resume() override { UNIMPLEMENTED(); }
+  bool CanClone() override { UNIMPLEMENTED(); return false; }
+  already_AddRefed<MediaResource> CloneData(MediaResourceCallback*) override { UNIMPLEMENTED(); return nullptr; }
+  void SetReadMode(MediaCacheStream::ReadMode aMode) override { UNIMPLEMENTED(); }
+  void SetPlaybackRate(uint32_t aBytesPerSecond) override  { UNIMPLEMENTED(); }
+  nsresult ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount, uint32_t* aBytes) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
+  int64_t Tell() override { UNIMPLEMENTED(); return -1; }
+  void Pin() override { UNIMPLEMENTED(); }
+  void Unpin() override { UNIMPLEMENTED(); }
+  double GetDownloadRate(bool* aIsReliable) override { UNIMPLEMENTED(); *aIsReliable = false; return 0; }
+  int64_t GetLength() override { UNIMPLEMENTED(); return -1; }
+  int64_t GetNextCachedData(int64_t aOffset) override { UNIMPLEMENTED(); return -1; }
+  int64_t GetCachedDataEnd(int64_t aOffset) override { UNIMPLEMENTED(); return -1; }
+  bool IsDataCachedToEndOfResource(int64_t aOffset) override { UNIMPLEMENTED(); return false; }
+  bool IsSuspendedByCache() override { UNIMPLEMENTED(); return false; }
+  bool IsSuspended() override { UNIMPLEMENTED(); return false; }
+  nsresult ReadFromCache(char* aBuffer, int64_t aOffset, uint32_t aCount) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
+  nsresult Open(nsIStreamListener** aStreamListener) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
+
+  already_AddRefed<nsIPrincipal> GetCurrentPrincipal() override
+  {
+    return RefPtr<nsIPrincipal>(mPrincipal).forget();
+  }
+
+  nsresult GetCachedRanges(MediaByteRangeSet& aRanges) override
+  {
+    UNIMPLEMENTED();
+    aRanges += MediaByteRange(0, GetLength());
+    return NS_OK;
+  }
+
+  bool IsTransportSeekable() override { return true; }
+  const nsCString& GetContentType() const override { return mType; }
+
+  bool IsLiveStream() override
+  {
+    MonitorAutoLock mon(mMonitor);
+    return !mEnded;
+  }
+  void SetEnded(bool aEnded)
+  {
+    MonitorAutoLock mon(mMonitor);
+    mEnded = aEnded;
+  }
+
+  bool IsExpectingMoreData() override
+  {
+    MonitorAutoLock mon(mMonitor);
+    return !mEnded;
+  }
+
+private:
+  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override
+  {
+    size_t size = MediaResource::SizeOfExcludingThis(aMallocSizeOf);
+    size += mType.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+
+    return size;
+  }
+
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override
+  {
+    return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+  }
+
+  RefPtr<nsIPrincipal> mPrincipal;
+  const nsCString mType;
+  Monitor mMonitor;
+  bool mEnded; // protected by mMonitor
+};
+
+} // namespace mozilla
+
+#undef MSE_DEBUG
+#undef UNIMPLEMENTED
+
+#endif /* MOZILLA_MEDIASOURCERESOURCE_H_ */