1 files changed, 90 insertions, 0 deletions
diff --git a/src/com/android/camera/data/AbstractLocalDataAdapterWrapper.java b/src/com/android/camera/data/AbstractLocalDataAdapterWrapper.java
new file mode 100644
index 000000000..66c55850a
--- /dev/null
+++ b/src/com/android/camera/data/AbstractLocalDataAdapterWrapper.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+package com.android.camera.data;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+
+/**
+ * An abstract {@link LocalDataAdapter} implementation to wrap another
+ * {@link LocalDataAdapter}. All implementations related to data id is not
+ * addressed in this abstract class since wrapping another data adapter
+ * surely makes things different for data id.
+ *
+ * @see FixedFirstDataAdapter
+ * @see FixedLastDataAdapter
+ */
+public abstract class AbstractLocalDataAdapterWrapper implements LocalDataAdapter {
+
+    protected final LocalDataAdapter mAdapter;
+    protected int mSuggestedWidth;
+    protected int mSuggestedHeight;
+
+    /**
+     * Constructor.
+     *
+     * @param wrappedAdapter  The {@link LocalDataAdapter} to be wrapped.
+     */
+    AbstractLocalDataAdapterWrapper(LocalDataAdapter wrappedAdapter) {
+        if (wrappedAdapter == null) {
+            throw new AssertionError("data adapter is null");
+        }
+        mAdapter = wrappedAdapter;
+    }
+
+    @Override
+    public void suggestViewSizeBound(int w, int h) {
+        mSuggestedWidth = w;
+        mSuggestedHeight = h;
+    }
+
+    @Override
+    public void setListener(Listener listener) {
+        mAdapter.setListener(listener);
+    }
+
+    @Override
+    public void requestLoad(ContentResolver resolver) {
+        mAdapter.requestLoad(resolver);
+    }
+
+    @Override
+    public void addNewVideo(ContentResolver resolver, Uri uri) {
+        mAdapter.addNewVideo(resolver, uri);
+    }
+
+    @Override
+    public void addNewPhoto(ContentResolver resolver, Uri uri) {
+        mAdapter.addNewPhoto(resolver, uri);
+    }
+
+    @Override
+    public void flush() {
+        mAdapter.flush();
+    }
+
+    @Override
+    public boolean executeDeletion(Context context) {
+        return mAdapter.executeDeletion(context);
+    }
+
+    @Override
+    public boolean undoDataRemoval() {
+        return mAdapter.undoDataRemoval();
+    }
+}