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author | John Reck <jreck@google.com> | 2013-02-15 14:32:08 -0800 |
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committer | John Reck <jreck@google.com> | 2013-02-22 15:09:35 -0800 |
commit | 608ef5cf3a15f235aa7b6d80924edbdb0fda365b (patch) | |
tree | fd5dbfe11a54c6d6fa4759a54464a69f1bad7e18 /src/com/android/photos/data | |
parent | f3e14d196191672129e2897e25627cc41f5f6534 (diff) | |
download | android_packages_apps_Snap-608ef5cf3a15f235aa7b6d80924edbdb0fda365b.tar.gz android_packages_apps_Snap-608ef5cf3a15f235aa7b6d80924edbdb0fda365b.tar.bz2 android_packages_apps_Snap-608ef5cf3a15f235aa7b6d80924edbdb0fda365b.zip |
Start of photos
Change-Id: Id53dd96d8873e0fe6c2685e07cd7bdc0cde7ea75
Diffstat (limited to 'src/com/android/photos/data')
-rw-r--r-- | src/com/android/photos/data/MediaSetLoader.java | 89 | ||||
-rw-r--r-- | src/com/android/photos/data/PhotoSetLoader.java | 70 |
2 files changed, 159 insertions, 0 deletions
diff --git a/src/com/android/photos/data/MediaSetLoader.java b/src/com/android/photos/data/MediaSetLoader.java new file mode 100644 index 000000000..4afb7d922 --- /dev/null +++ b/src/com/android/photos/data/MediaSetLoader.java @@ -0,0 +1,89 @@ +/* + * 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.photos.data; + +import android.content.AsyncTaskLoader; +import android.content.Context; + +import com.android.gallery3d.data.ContentListener; +import com.android.gallery3d.data.DataManager; +import com.android.gallery3d.data.MediaSet; +import com.android.gallery3d.data.MediaSet.SyncListener; +import com.android.gallery3d.util.Future; + +/** + * Proof of concept, don't use + */ +public class MediaSetLoader extends AsyncTaskLoader<MediaSet> { + + private static final SyncListener sNullListener = new SyncListener() { + @Override + public void onSyncDone(MediaSet mediaSet, int resultCode) { + } + }; + + private MediaSet mMediaSet; + private Future<Integer> mSyncTask = null; + private ContentListener mObserver = new ContentListener() { + @Override + public void onContentDirty() { + onContentChanged(); + } + }; + + public MediaSetLoader(Context context, String path) { + super(context); + mMediaSet = DataManager.from(getContext()).getMediaSet(path); + } + + @Override + protected void onStartLoading() { + super.onStartLoading(); + mMediaSet.addContentListener(mObserver); + mSyncTask = mMediaSet.requestSync(sNullListener); + forceLoad(); + } + + @Override + protected boolean onCancelLoad() { + if (mSyncTask != null) { + mSyncTask.cancel(); + mSyncTask = null; + } + return super.onCancelLoad(); + } + + @Override + protected void onStopLoading() { + super.onStopLoading(); + cancelLoad(); + mMediaSet.removeContentListener(mObserver); + } + + @Override + protected void onReset() { + super.onReset(); + onStopLoading(); + } + + @Override + public MediaSet loadInBackground() { + mMediaSet.loadIfDirty(); + return mMediaSet; + } + +} diff --git a/src/com/android/photos/data/PhotoSetLoader.java b/src/com/android/photos/data/PhotoSetLoader.java new file mode 100644 index 000000000..8c511a525 --- /dev/null +++ b/src/com/android/photos/data/PhotoSetLoader.java @@ -0,0 +1,70 @@ +/* + * 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.photos.data; + +import android.content.Context; +import android.content.CursorLoader; +import android.database.ContentObserver; +import android.net.Uri; +import android.provider.MediaStore; +import android.provider.MediaStore.Files; +import android.provider.MediaStore.Files.FileColumns; + +public class PhotoSetLoader extends CursorLoader { + + private static final Uri CONTENT_URI = Files.getContentUri("external"); + private static final String[] PROJECTION = new String[] { + FileColumns._ID, + FileColumns.DATA, + FileColumns.WIDTH, + FileColumns.HEIGHT, + FileColumns.DATE_ADDED, + FileColumns.MEDIA_TYPE, + }; + private static final String SORT_ORDER = FileColumns.DATE_ADDED + " DESC"; + private static final String SELECTION = + FileColumns.MEDIA_TYPE + " == " + FileColumns.MEDIA_TYPE_IMAGE + + " OR " + + FileColumns.MEDIA_TYPE + " == " + FileColumns.MEDIA_TYPE_VIDEO; + + public static final int INDEX_ID = 0; + public static final int INDEX_DATA = 1; + public static final int INDEX_WIDTH = 2; + public static final int INDEX_HEIGHT = 3; + public static final int INDEX_DATE_ADDED = 4; + public static final int INDEX_MEDIA_TYPE = 5; + + private static final Uri GLOBAL_CONTENT_URI = Uri.parse("content://" + MediaStore.AUTHORITY + "/external/"); + private final ContentObserver mGlobalObserver = new ForceLoadContentObserver(); + + public PhotoSetLoader(Context context) { + super(context, CONTENT_URI, PROJECTION, SELECTION, null, SORT_ORDER); + } + + @Override + protected void onStartLoading() { + super.onStartLoading(); + getContext().getContentResolver().registerContentObserver(GLOBAL_CONTENT_URI, + true, mGlobalObserver); + } + + @Override + protected void onReset() { + super.onReset(); + getContext().getContentResolver().unregisterContentObserver(mGlobalObserver); + } +} |