1 files changed, 154 insertions, 0 deletions
diff --git a/src/com/android/camera/data/FixedFirstDataAdapter.java b/src/com/android/camera/data/FixedFirstDataAdapter.java
new file mode 100644
index 000000000..34ba0a1a0
--- /dev/null
+++ b/src/com/android/camera/data/FixedFirstDataAdapter.java
@@ -0,0 +1,154 @@
+/*
+ * 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.Context;
+import android.net.Uri;
+import android.view.View;
+
+import com.android.camera.ui.FilmStripView;
+import com.android.camera.ui.FilmStripView.DataAdapter;
+import com.android.camera.ui.FilmStripView.ImageData;
+
+/**
+ * A {@link LocalDataAdapter} which puts a {@link LocalData} fixed at the first
+ * position. It's done by combining a {@link LocalData} and another
+ * {@link LocalDataAdapter}.
+ */
+public class FixedFirstDataAdapter extends AbstractLocalDataAdapterWrapper
+        implements DataAdapter.Listener {
+
+    private final LocalData mFirstData;
+    private Listener mListener;
+
+    /**
+     * Constructor.
+     *
+     * @param wrappedAdapter The {@link LocalDataAdapter} to be wrapped.
+     * @param firstData      The {@link LocalData} to be placed at the first
+     *                       position.
+     */
+    public FixedFirstDataAdapter(
+            LocalDataAdapter wrappedAdapter,
+            LocalData firstData) {
+        super(wrappedAdapter);
+        if (firstData == null) {
+            throw new AssertionError("data is null");
+        }
+        mFirstData = firstData;
+    }
+
+    @Override
+    public void removeData(Context context, int dataID) {
+        if (dataID > 0) {
+            mAdapter.removeData(context, dataID - 1);
+        }
+    }
+
+    @Override
+    public int findDataByContentUri(Uri uri) {
+        int pos = mAdapter.findDataByContentUri(uri);
+        if (pos != -1) {
+            return pos + 1;
+        }
+        return -1;
+    }
+
+    @Override
+    public int getTotalNumber() {
+        return (mAdapter.getTotalNumber() + 1);
+    }
+
+    @Override
+    public View getView(Context context, int dataID) {
+        if (dataID == 0) {
+            return mFirstData.getView(
+                    context, mSuggestedWidth, mSuggestedHeight, null);
+        }
+        return mAdapter.getView(context, dataID - 1);
+    }
+
+    @Override
+    public ImageData getImageData(int dataID) {
+        if (dataID == 0) {
+            return mFirstData;
+        }
+        return mAdapter.getImageData(dataID - 1);
+    }
+
+    @Override
+    public void onDataFullScreen(int dataID, boolean fullScreen) {
+        if (dataID == 0) {
+            mFirstData.onFullScreen(fullScreen);
+        } else {
+            mAdapter.onDataFullScreen(dataID - 1, fullScreen);
+        }
+    }
+
+    @Override
+    public void onDataCentered(int dataID, boolean centered) {
+        if (dataID != 0) {
+            mAdapter.onDataCentered(dataID, centered);
+        } else {
+            // TODO: notify the data
+        }
+    }
+
+    @Override
+    public void setListener(Listener listener) {
+        mListener = listener;
+        mAdapter.setListener((listener == null) ? null : this);
+    }
+
+    @Override
+    public boolean canSwipeInFullScreen(int dataID) {
+        if (dataID == 0) {
+            return mFirstData.canSwipeInFullScreen();
+        }
+        return mAdapter.canSwipeInFullScreen(dataID - 1);
+    }
+
+    @Override
+    public void onDataLoaded() {
+        mListener.onDataLoaded();
+    }
+
+    @Override
+    public void onDataUpdated(final UpdateReporter reporter) {
+        mListener.onDataUpdated(new UpdateReporter() {
+            @Override
+            public boolean isDataRemoved(int dataID) {
+                return reporter.isDataRemoved(dataID + 1);
+            }
+
+            @Override
+            public boolean isDataUpdated(int dataID) {
+                return reporter.isDataUpdated(dataID + 1);
+            }
+        });
+    }
+
+    @Override
+    public void onDataInserted(int dataID, ImageData data) {
+        mListener.onDataInserted(dataID + 1, data);
+    }
+
+    @Override
+    public void onDataRemoved(int dataID, ImageData data) {
+        mListener.onDataRemoved(dataID + 1, data);
+    }
+}