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author | Wu-cheng Li <wuchengli@google.com> | 2012-08-22 19:15:35 +0800 |
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committer | Wu-cheng Li <wuchengli@google.com> | 2012-08-27 17:47:53 +0800 |
commit | ec3c73a3c4b7f7b841f707a1b965222c0e86195e (patch) | |
tree | b2cd8148b6a8e8a34830311c9dc98df4925c0bff /src/com/android/gallery3d/data/SecureAlbum.java | |
parent | da3df03ed46ac5ce19beba0618dfa3932dad05bc (diff) | |
download | android_packages_apps_Snap-ec3c73a3c4b7f7b841f707a1b965222c0e86195e.tar.gz android_packages_apps_Snap-ec3c73a3c4b7f7b841f707a1b965222c0e86195e.tar.bz2 android_packages_apps_Snap-ec3c73a3c4b7f7b841f707a1b965222c0e86195e.zip |
Add secure album support for lock screen camera.
Secure album only shows the media items added by
the camera.
bug:5955016
Change-Id: Id26abec4dfcc036cf9de682398fed25eed73d1a5
Diffstat (limited to 'src/com/android/gallery3d/data/SecureAlbum.java')
-rw-r--r-- | src/com/android/gallery3d/data/SecureAlbum.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/SecureAlbum.java b/src/com/android/gallery3d/data/SecureAlbum.java new file mode 100644 index 000000000..a8de5ddcf --- /dev/null +++ b/src/com/android/gallery3d/data/SecureAlbum.java @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2012 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.provider.MediaStore.Images; +import android.provider.MediaStore.Video; + +import com.android.gallery3d.app.GalleryApp; + +import java.util.ArrayList; + +// This class lists all media items added by the client. +public class SecureAlbum extends MediaSet { + @SuppressWarnings("unused") + private static final String TAG = "SecureAlbum"; + private ArrayList<Path> mItems = new ArrayList<Path>(); + private DataManager mDataManager; + private static final Uri[] mWatchUris = + {Images.Media.EXTERNAL_CONTENT_URI, Video.Media.EXTERNAL_CONTENT_URI}; + private final ChangeNotifier mNotifier; + + public SecureAlbum(Path path, GalleryApp application) { + super(path, nextVersionNumber()); + mDataManager = application.getDataManager(); + mNotifier = new ChangeNotifier(this, mWatchUris, application); + } + + public void addMediaItem(boolean isVideo, int id) { + if (isVideo) { + mItems.add(0, Path.fromString("/local/video/item/" + id)); + } else { + mItems.add(0, Path.fromString("/local/image/item/" + id)); + } + mNotifier.fakeChange(); + } + + @Override + public ArrayList<MediaItem> getMediaItem(int start, int count) { + if (start >= mItems.size()) { + return new ArrayList<MediaItem>(); + } + int end = Math.min(start + count, mItems.size()); + ArrayList<Path> subset = new ArrayList<Path>(mItems.subList(start, end)); + final MediaItem[] buf = new MediaItem[end - start]; + ItemConsumer consumer = new ItemConsumer() { + @Override + public void consume(int index, MediaItem item) { + buf[index] = item; + } + }; + mDataManager.mapMediaItems(subset, consumer, 0); + ArrayList<MediaItem> result = new ArrayList<MediaItem>(end - start); + for (int i = 0; i < buf.length; i++) { + result.add(buf[i]); + } + return result; + } + + @Override + public int getMediaItemCount() { + return mItems.size(); + } + + @Override + public String getName() { + return "secure"; + } + + @Override + public long reload() { + if (mNotifier.isDirty()) { + mDataVersion = nextVersionNumber(); + } + return mDataVersion; + } + + @Override + public boolean isLeafAlbum() { + return true; + } +} |