remove dependency on android_native{s_priv|buffer}.h

Change-Id: Ie4b95f7061c240f37c504414259f92d72c4ffc89
diff --git a/include/ui/ANativeObjectBase.h b/include/ui/ANativeObjectBase.h
new file mode 100644
index 0000000..76e850f
--- /dev/null
+++ b/include/ui/ANativeObjectBase.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_ANDROID_NATIVES_H
+#define ANDROID_ANDROID_NATIVES_H
+
+#include <sys/types.h>
+#include <string.h>
+
+#include <hardware/gralloc.h>
+#include <system/window.h>
+
+// ---------------------------------------------------------------------------
+
+/* FIXME: this is legacy for pixmaps */
+typedef struct egl_native_pixmap_t
+{
+    int32_t     version;    /* must be 32 */
+    int32_t     width;
+    int32_t     height;
+    int32_t     stride;
+    uint8_t*    data;
+    uint8_t     format;
+    uint8_t     rfu[3];
+    union {
+        uint32_t    compressedFormat;
+        int32_t     vstride;
+    };
+    int32_t     reserved;
+} egl_native_pixmap_t;
+
+/*****************************************************************************/
+
+#ifdef __cplusplus
+
+#include <utils/RefBase.h>
+
+namespace android {
+
+/*
+ * This helper class turns a ANativeXXX object type into a C++
+ * reference-counted object; with proper type conversions.
+ */
+template <typename NATIVE_TYPE, typename TYPE, typename REF>
+class ANativeObjectBase : public NATIVE_TYPE, public REF
+{
+public:
+    // Disambiguate between the incStrong in REF and NATIVE_TYPE
+    void incStrong(const void* id) const {
+        REF::incStrong(id);
+    }
+    void decStrong(const void* id) const {
+        REF::decStrong(id);
+    }
+
+protected:
+    typedef ANativeObjectBase<NATIVE_TYPE, TYPE, REF> BASE;
+    ANativeObjectBase() : NATIVE_TYPE(), REF() {
+        NATIVE_TYPE::common.incRef = incRef;
+        NATIVE_TYPE::common.decRef = decRef;
+    }
+    static inline TYPE* getSelf(NATIVE_TYPE* self) {
+        return static_cast<TYPE*>(self);
+    }
+    static inline TYPE const* getSelf(NATIVE_TYPE const* self) {
+        return static_cast<TYPE const *>(self);
+    }
+    static inline TYPE* getSelf(android_native_base_t* base) {
+        return getSelf(reinterpret_cast<NATIVE_TYPE*>(base));
+    }
+    static inline TYPE const * getSelf(android_native_base_t const* base) {
+        return getSelf(reinterpret_cast<NATIVE_TYPE const*>(base));
+    }
+    static void incRef(android_native_base_t* base) {
+        ANativeObjectBase* self = getSelf(base);
+        self->incStrong(self);
+    }
+    static void decRef(android_native_base_t* base) {
+        ANativeObjectBase* self = getSelf(base);
+        self->decStrong(self);
+    }
+};
+
+} // namespace android
+#endif // __cplusplus
+
+/*****************************************************************************/
+
+#endif /* ANDROID_ANDROID_NATIVES_H */