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-rw-r--r--src/com/android/gallery3d/data/LocalAlbumSet.java211
1 files changed, 0 insertions, 211 deletions
diff --git a/src/com/android/gallery3d/data/LocalAlbumSet.java b/src/com/android/gallery3d/data/LocalAlbumSet.java
deleted file mode 100644
index b2b4b8c5d..000000000
--- a/src/com/android/gallery3d/data/LocalAlbumSet.java
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@@ -1,211 +0,0 @@
-/*
- * Copyright (C) 2010 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.data;
-
-import android.net.Uri;
-import android.os.Handler;
-import android.provider.MediaStore.Images;
-import android.provider.MediaStore.Video;
-
-import com.android.gallery3d.R;
-import com.android.gallery3d.app.GalleryApp;
-import com.android.gallery3d.data.BucketHelper.BucketEntry;
-import com.android.gallery3d.util.Future;
-import com.android.gallery3d.util.FutureListener;
-import com.android.gallery3d.util.MediaSetUtils;
-import com.android.gallery3d.util.ThreadPool;
-import com.android.gallery3d.util.ThreadPool.JobContext;
-
-import java.util.ArrayList;
-import java.util.Comparator;
-
-// LocalAlbumSet lists all image or video albums in the local storage.
-// The path should be "/local/image", "local/video" or "/local/all"
-public class LocalAlbumSet extends MediaSet
- implements FutureListener<ArrayList<MediaSet>> {
- @SuppressWarnings("unused")
- private static final String TAG = "LocalAlbumSet";
-
- public static final Path PATH_ALL = Path.fromString("/local/all");
- public static final Path PATH_IMAGE = Path.fromString("/local/image");
- public static final Path PATH_VIDEO = Path.fromString("/local/video");
-
- private static final Uri[] mWatchUris =
- {Images.Media.EXTERNAL_CONTENT_URI, Video.Media.EXTERNAL_CONTENT_URI};
-
- private final GalleryApp mApplication;
- private final int mType;
- private ArrayList<MediaSet> mAlbums = new ArrayList<MediaSet>();
- private final ChangeNotifier mNotifier;
- private final String mName;
- private final Handler mHandler;
- private boolean mIsLoading;
-
- private Future<ArrayList<MediaSet>> mLoadTask;
- private ArrayList<MediaSet> mLoadBuffer;
-
- public LocalAlbumSet(Path path, GalleryApp application) {
- super(path, nextVersionNumber());
- mApplication = application;
- mHandler = new Handler(application.getMainLooper());
- mType = getTypeFromPath(path);
- mNotifier = new ChangeNotifier(this, mWatchUris, application);
- mName = application.getResources().getString(
- R.string.set_label_local_albums);
- }
-
- private static int getTypeFromPath(Path path) {
- String name[] = path.split();
- if (name.length < 2) {
- throw new IllegalArgumentException(path.toString());
- }
- return getTypeFromString(name[1]);
- }
-
- @Override
- public MediaSet getSubMediaSet(int index) {
- return mAlbums.get(index);
- }
-
- @Override
- public int getSubMediaSetCount() {
- return mAlbums.size();
- }
-
- @Override
- public String getName() {
- return mName;
- }
-
- private static int findBucket(BucketEntry entries[], int bucketId) {
- for (int i = 0, n = entries.length; i < n; ++i) {
- if (entries[i].bucketId == bucketId) return i;
- }
- return -1;
- }
-
- private class AlbumsLoader implements ThreadPool.Job<ArrayList<MediaSet>> {
-
- @Override
- @SuppressWarnings("unchecked")
- public ArrayList<MediaSet> run(JobContext jc) {
- // Note: it will be faster if we only select media_type and bucket_id.
- // need to test the performance if that is worth
- BucketEntry[] entries = BucketHelper.loadBucketEntries(
- jc, mApplication.getContentResolver(), mType);
-
- if (jc.isCancelled()) return null;
-
- int offset = 0;
- // Move camera and download bucket to the front, while keeping the
- // order of others.
- int index = findBucket(entries, MediaSetUtils.CAMERA_BUCKET_ID);
- if (index != -1) {
- circularShiftRight(entries, offset++, index);
- }
- index = findBucket(entries, MediaSetUtils.DOWNLOAD_BUCKET_ID);
- if (index != -1) {
- circularShiftRight(entries, offset++, index);
- }
-
- ArrayList<MediaSet> albums = new ArrayList<MediaSet>();
- DataManager dataManager = mApplication.getDataManager();
- for (BucketEntry entry : entries) {
- MediaSet album = getLocalAlbum(dataManager,
- mType, mPath, entry.bucketId, entry.bucketName);
- albums.add(album);
- }
- return albums;
- }
- }
-
- private MediaSet getLocalAlbum(
- DataManager manager, int type, Path parent, int id, String name) {
- synchronized (DataManager.LOCK) {
- Path path = parent.getChild(id);
- MediaObject object = manager.peekMediaObject(path);
- if (object != null) return (MediaSet) object;
- switch (type) {
- case MEDIA_TYPE_IMAGE:
- return new LocalAlbum(path, mApplication, id, true, name);
- case MEDIA_TYPE_VIDEO:
- return new LocalAlbum(path, mApplication, id, false, name);
- case MEDIA_TYPE_ALL:
- Comparator<MediaItem> comp = DataManager.sDateTakenComparator;
- return new LocalMergeAlbum(path, comp, new MediaSet[] {
- getLocalAlbum(manager, MEDIA_TYPE_IMAGE, PATH_IMAGE, id, name),
- getLocalAlbum(manager, MEDIA_TYPE_VIDEO, PATH_VIDEO, id, name)}, id);
- }
- throw new IllegalArgumentException(String.valueOf(type));
- }
- }
-
- @Override
- public synchronized boolean isLoading() {
- return mIsLoading;
- }
-
- @Override
- // synchronized on this function for
- // 1. Prevent calling reload() concurrently.
- // 2. Prevent calling onFutureDone() and reload() concurrently
- public synchronized long reload() {
- if (mNotifier.isDirty()) {
- if (mLoadTask != null) mLoadTask.cancel();
- mIsLoading = true;
- mLoadTask = mApplication.getThreadPool().submit(new AlbumsLoader(), this);
- }
- if (mLoadBuffer != null) {
- mAlbums = mLoadBuffer;
- mLoadBuffer = null;
- for (MediaSet album : mAlbums) {
- album.reload();
- }
- mDataVersion = nextVersionNumber();
- }
- return mDataVersion;
- }
-
- @Override
- public synchronized void onFutureDone(Future<ArrayList<MediaSet>> future) {
- if (mLoadTask != future) return; // ignore, wait for the latest task
- mLoadBuffer = future.get();
- mIsLoading = false;
- if (mLoadBuffer == null) mLoadBuffer = new ArrayList<MediaSet>();
- mHandler.post(new Runnable() {
- @Override
- public void run() {
- notifyContentChanged();
- }
- });
- }
-
- // For debug only. Fake there is a ContentObserver.onChange() event.
- void fakeChange() {
- mNotifier.fakeChange();
- }
-
- // Circular shift the array range from a[i] to a[j] (inclusive). That is,
- // a[i] -> a[i+1] -> a[i+2] -> ... -> a[j], and a[j] -> a[i]
- private static <T> void circularShiftRight(T[] array, int i, int j) {
- T temp = array[j];
- for (int k = j; k > i; k--) {
- array[k] = array[k - 1];
- }
- array[i] = temp;
- }
-}