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+/*
+ * Copyright (C) 2008 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_MEMORY_BASE_H
+#define ANDROID_MEMORY_BASE_H
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#include <binder/IMemory.h>
+
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class MemoryBase : public BnMemory
+{
+public:
+ MemoryBase(const sp<IMemoryHeap>& heap, ssize_t offset, size_t size);
+ virtual ~MemoryBase();
+ virtual sp<IMemoryHeap> getMemory(ssize_t* offset, size_t* size) const;
+
+protected:
+ size_t getSize() const { return mSize; }
+ ssize_t getOffset() const { return mOffset; }
+ const sp<IMemoryHeap>& getHeap() const { return mHeap; }
+
+private:
+ size_t mSize;
+ ssize_t mOffset;
+ sp<IMemoryHeap> mHeap;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_MEMORY_BASE_H