Index: media/base/renderer_factory_selector.h |
diff --git a/media/base/renderer_factory_selector.h b/media/base/renderer_factory_selector.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4a6f4e050543d4c00a5520e3ee01bd9a999fc341 |
--- /dev/null |
+++ b/media/base/renderer_factory_selector.h |
@@ -0,0 +1,51 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef MEDIA_BASE_RENDERER_FACTORY_SELECTOR_H_ |
+#define MEDIA_BASE_RENDERER_FACTORY_SELECTOR_H_ |
+ |
+#include "base/optional.h" |
+#include "media/base/renderer_factory.h" |
+ |
+namespace media { |
+ |
+// RendererFactorySelector owns RendererFactory instances used within WMPI. |
+// Its purpose is to aggregate the signals and centralize the logic behind |
+// choosing which RendererFactory should be used when creating a new Renderer. |
+class MEDIA_EXPORT RendererFactorySelector { |
+ public: |
+ enum FactoryType { |
+ DEFAULT, // DefaultRendererFactory. |
+ MOJO, // MojoRendererFactory. |
+ MEDIA_PLAYER, // MediaPlayerRendererClientFactory. |
+ ADAPTIVE, // AdaptiveRendererFactory. |
+ FACTORY_TYPE_MAX = ADAPTIVE, |
+ }; |
+ |
+ RendererFactorySelector(); |
+ ~RendererFactorySelector(); |
+ |
+ // NOTE: There should be at most one factory per factory type. |
+ void AddFactory(FactoryType type, std::unique_ptr<RendererFactory> factory); |
+ |
+ // Sets the base factory to be returned, when there are no signals telling us |
+ // to select any specific factory. |
+ // NOTE: |type| can be different than FactoryType::DEFAULT. DEFAULT is used to |
+ // identify the DefaultRendererFactory, not to indicate that a factory should |
+ // be used by default. |
+ void SetBaseFactoryType(FactoryType type); |
+ |
+ // SetBaseFactoryType() must be called before calling this method. |
+ // NOTE: This only returns the base factory type at the moment. |
+ RendererFactory* GetCurrentFactory(); |
+ |
+ private: |
+ base::Optional<FactoryType> base_factory_type_; |
+ std::unique_ptr<RendererFactory> factories_[FACTORY_TYPE_MAX + 1]; |
+ DISALLOW_COPY_AND_ASSIGN(RendererFactorySelector); |
+}; |
+ |
+} // namespace media |
+ |
+#endif // MEDIA_BASE_RENDERER_FACTORY_H_ |