1 files changed, 0 insertions, 233 deletions
diff --git a/src/com/android/gallery3d/gadget/MediaSetSource.java b/src/com/android/gallery3d/gadget/MediaSetSource.java
deleted file mode 100644
index 458651c98..000000000
--- a/src/com/android/gallery3d/gadget/MediaSetSource.java
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- * Copyright (C) 2011 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.gallery3d.gadget;
-
-import android.graphics.Bitmap;
-import android.net.Uri;
-import android.os.Binder;
-
-import com.android.gallery3d.common.Utils;
-import com.android.gallery3d.data.ContentListener;
-import com.android.gallery3d.data.DataManager;
-import com.android.gallery3d.data.MediaItem;
-import com.android.gallery3d.data.MediaObject;
-import com.android.gallery3d.data.MediaSet;
-import com.android.gallery3d.data.Path;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-
-public class MediaSetSource implements WidgetSource, ContentListener {
-    private static final String TAG = "MediaSetSource";
-
-    private DataManager mDataManager;
-    private Path mAlbumPath;
-
-    private WidgetSource mSource;
-
-    private MediaSet mRootSet;
-    private ContentListener mListener;
-
-    public MediaSetSource(DataManager manager, String albumPath) {
-        MediaSet mediaSet = (MediaSet) manager.getMediaObject(albumPath);
-        if (mediaSet != null) {
-            mSource = new CheckedMediaSetSource(mediaSet);
-            return;
-        }
-
-        // Initialize source to an empty source until the album path can be resolved
-        mDataManager = Utils.checkNotNull(manager);
-        mAlbumPath = Path.fromString(albumPath);
-        mSource = new EmptySource();
-        monitorRootPath();
-    }
-
-    @Override
-    public int size() {
-        return mSource.size();
-    }
-
-    @Override
-    public Bitmap getImage(int index) {
-        return mSource.getImage(index);
-    }
-
-    @Override
-    public Uri getContentUri(int index) {
-        return mSource.getContentUri(index);
-    }
-
-    @Override
-    public synchronized void setContentListener(ContentListener listener) {
-        if (mRootSet != null) {
-            mListener = listener;
-        } else {
-            mSource.setContentListener(listener);
-        }
-    }
-
-    @Override
-    public void reload() {
-        mSource.reload();
-    }
-
-    @Override
-    public void close() {
-        mSource.close();
-    }
-
-    @Override
-    public void onContentDirty() {
-        resolveAlbumPath();
-    }
-
-    private void monitorRootPath() {
-        String rootPath = mDataManager.getTopSetPath(DataManager.INCLUDE_ALL);
-        mRootSet = (MediaSet) mDataManager.getMediaObject(rootPath);
-        mRootSet.addContentListener(this);
-    }
-
-    private synchronized void resolveAlbumPath() {
-        if (mDataManager == null) return;
-        MediaSet mediaSet = (MediaSet) mDataManager.getMediaObject(mAlbumPath);
-        if (mediaSet != null) {
-            // Clear the reference instead of removing the listener
-            // to get around a concurrent modification exception.
-            mRootSet = null;
-
-            mSource = new CheckedMediaSetSource(mediaSet);
-            if (mListener != null) {
-                mListener.onContentDirty();
-                mSource.setContentListener(mListener);
-                mListener = null;
-            }
-            mDataManager = null;
-            mAlbumPath = null;
-        }
-    }
-
-    private static class CheckedMediaSetSource implements WidgetSource, ContentListener {
-        private static final int CACHE_SIZE = 32;
-
-        @SuppressWarnings("unused")
-        private static final String TAG = "CheckedMediaSetSource";
-
-        private MediaSet mSource;
-        private MediaItem mCache[] = new MediaItem[CACHE_SIZE];
-        private int mCacheStart;
-        private int mCacheEnd;
-        private long mSourceVersion = MediaObject.INVALID_DATA_VERSION;
-
-        private ContentListener mContentListener;
-
-        public CheckedMediaSetSource(MediaSet source) {
-            mSource = Utils.checkNotNull(source);
-            mSource.addContentListener(this);
-        }
-
-        @Override
-        public void close() {
-            mSource.removeContentListener(this);
-        }
-
-        private void ensureCacheRange(int index) {
-            if (index >= mCacheStart && index < mCacheEnd) return;
-
-            long token = Binder.clearCallingIdentity();
-            try {
-                mCacheStart = index;
-                ArrayList<MediaItem> items = mSource.getMediaItem(mCacheStart, CACHE_SIZE);
-                mCacheEnd = mCacheStart + items.size();
-                items.toArray(mCache);
-            } finally {
-                Binder.restoreCallingIdentity(token);
-            }
-        }
-
-        @Override
-        public synchronized Uri getContentUri(int index) {
-            ensureCacheRange(index);
-            if (index < mCacheStart || index >= mCacheEnd) return null;
-            return mCache[index - mCacheStart].getContentUri();
-        }
-
-        @Override
-        public synchronized Bitmap getImage(int index) {
-            ensureCacheRange(index);
-            if (index < mCacheStart || index >= mCacheEnd) return null;
-            return WidgetUtils.createWidgetBitmap(mCache[index - mCacheStart]);
-        }
-
-        @Override
-        public void reload() {
-            long version = mSource.reload();
-            if (mSourceVersion != version) {
-                mSourceVersion = version;
-                mCacheStart = 0;
-                mCacheEnd = 0;
-                Arrays.fill(mCache, null);
-            }
-        }
-
-        @Override
-        public void setContentListener(ContentListener listener) {
-            mContentListener = listener;
-        }
-
-        @Override
-        public int size() {
-            long token = Binder.clearCallingIdentity();
-            try {
-                return mSource.getMediaItemCount();
-            } finally {
-                Binder.restoreCallingIdentity(token);
-            }
-        }
-
-        @Override
-        public void onContentDirty() {
-            if (mContentListener != null) mContentListener.onContentDirty();
-        }
-    }
-
-    private static class EmptySource implements WidgetSource {
-
-        @Override
-        public int size() {
-            return 0;
-        }
-
-        @Override
-        public Bitmap getImage(int index) {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public Uri getContentUri(int index) {
-            throw new UnsupportedOperationException();
-        }
-
-        @Override
-        public void setContentListener(ContentListener listener) {}
-
-        @Override
-        public void reload() {}
-
-        @Override
-        public void close() {}
-    }
-}