Merge "Initial check-in of new caching/prefetching data source implementation." into kraken

1 files changed, 32 insertions, 0 deletions

diff --git a/include/media/stagefright/foundation/AHandlerReflector.h b/include/media/stagefright/foundation/AHandlerReflector.h
new file mode 100644
index 0000000..857866a
--- /dev/null
+++ b/include/media/stagefright/foundation/AHandlerReflector.h
@@ -0,0 +1,32 @@
+#ifndef A_HANDLER_REFLECTOR_H_
+
+#define A_HANDLER_REFLECTOR_H_
+
+#include <media/stagefright/foundation/AHandler.h>
+
+namespace android {
+
+template<class T>
+struct AHandlerReflector : public AHandler {
+    AHandlerReflector(T *target)
+        : mTarget(target) {
+    }
+
+protected:
+    virtual void onMessageReceived(const sp<AMessage> &msg) {
+        sp<T> target = mTarget.promote();
+        if (target != NULL) {
+            target->onMessageReceived(msg);
+        }
+    }
+
+private:
+    wp<T> mTarget;
+
+    AHandlerReflector(const AHandlerReflector<T> &);
+    AHandlerReflector<T> &operator=(const AHandlerReflector<T> &);
+};
+
+}  // namespace android
+
+#endif  // A_HANDLER_REFLECTOR_H_