Album set shim

Change-Id: I12257ea09b7b5bc4b1d5ef638e685c66df86538a

diff --git a/res/layout/album_set_item.xml b/res/layout/album_set_item.xml
index 46084e9..bdecd5f 100644 (file)
--- a/res/layout/album_set_item.xml
+++ b/res/layout/album_set_item.xml
@@ -12,6 +12,8 @@
         android:layout_alignParentTop="true"
         android:layout_marginLeft="10dp"
         android:layout_marginTop="10dp"
+        android:ellipsize="end"
+        android:singleLine="true"
         android:textAppearance="?android:attr/textAppearanceMedium" />
 
     <TextView

diff --git a/src/com/android/photos/AlbumSetFragment.java b/src/com/android/photos/AlbumSetFragment.java
index 6a9520a..3c51bba 100644 (file)
--- a/src/com/android/photos/AlbumSetFragment.java
+++ b/src/com/android/photos/AlbumSetFragment.java
@@ -17,14 +17,15 @@
 package com.android.photos;
 
 import android.app.Fragment;
+import android.app.LoaderManager.LoaderCallbacks;
 import android.content.Context;
+import android.content.Loader;
 import android.database.Cursor;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.text.format.DateFormat;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
@@ -37,15 +38,20 @@ import android.widget.Toast;
 
 import com.android.gallery3d.R;
 import com.android.photos.data.AlbumSetLoader;
-import com.android.photos.drawables.DataUriThumbnailDrawable;
+import com.android.photos.drawables.DrawableFactory;
+import com.android.photos.shims.MediaSetLoader;
 
 import java.util.Date;
 
 
-public class AlbumSetFragment extends Fragment implements OnItemClickListener {
+public class AlbumSetFragment extends Fragment implements OnItemClickListener,
+    LoaderCallbacks<Cursor> {
+
     private GridView mAlbumSetView;
     private View mEmptyView;
-    private CursorAdapter mAdapter;
+    private AlbumSetCursorAdapter mAdapter;
+
+    private static final int LOADER_ALBUMSET = 1;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
@@ -57,11 +63,37 @@ public class AlbumSetFragment extends Fragment implements OnItemClickListener {
         mAdapter = new AlbumSetCursorAdapter(getActivity());
         mAlbumSetView.setAdapter(mAdapter);
         mAlbumSetView.setOnItemClickListener(this);
-        mAdapter.swapCursor(AlbumSetLoader.MOCK);
+        getLoaderManager().initLoader(LOADER_ALBUMSET, null, this);
+        updateEmptyStatus();
         return root;
     }
 
     @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        // TODO: Switch to AlbumSetLoader
+        MediaSetLoader loader = new MediaSetLoader(getActivity());
+        mAdapter.setDrawableFactory(loader);
+        return loader;
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader,
+            Cursor data) {
+        mAdapter.swapCursor(data);
+        updateEmptyStatus();
+    }
+
+    private void updateEmptyStatus() {
+        boolean empty = (mAdapter == null || mAdapter.getCount() == 0);
+        mAlbumSetView.setVisibility(empty ? View.GONE : View.VISIBLE);
+        mEmptyView.setVisibility(empty ? View.VISIBLE : View.GONE);
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+    }
+
+    @Override
     public void onItemClick(AdapterView<?> av, View v, int pos, long id) {
         Cursor c = (Cursor) av.getItemAtPosition(pos);
         int albumId = c.getInt(AlbumSetLoader.INDEX_ID);
@@ -71,6 +103,11 @@ public class AlbumSetFragment extends Fragment implements OnItemClickListener {
 
     private static class AlbumSetCursorAdapter extends CursorAdapter {
 
+        private DrawableFactory<Cursor> mDrawableFactory;
+
+        public void setDrawableFactory(DrawableFactory<Cursor> factory) {
+            mDrawableFactory = factory;
+        }
         private Date mDate = new Date(); // Used for converting timestamps for display
 
         public AlbumSetCursorAdapter(Context context) {
@@ -85,8 +122,13 @@ public class AlbumSetFragment extends Fragment implements OnItemClickListener {
 
             TextView dateTextView = (TextView) v.findViewById(
                     R.id.album_set_item_date);
-            mDate.setTime(cursor.getLong(AlbumSetLoader.INDEX_TIMESTAMP));
-            dateTextView.setText(DateFormat.getMediumDateFormat(context).format(mDate));
+            long timestamp = cursor.getLong(AlbumSetLoader.INDEX_TIMESTAMP);
+            if (timestamp > 0) {
+                mDate.setTime(timestamp);
+                dateTextView.setText(DateFormat.getMediumDateFormat(context).format(mDate));
+            } else {
+                dateTextView.setText(null);
+            }
 
             ProgressBar uploadProgressBar = (ProgressBar) v.findViewById(
                     R.id.album_set_item_upload_progress);
@@ -97,17 +139,19 @@ public class AlbumSetFragment extends Fragment implements OnItemClickListener {
                 uploadProgressBar.setVisibility(View.INVISIBLE);
             }
 
-            // TODO show the thumbnail
+            ImageView thumbImageView = (ImageView) v.findViewById(
+                    R.id.album_set_item_image);
+            Drawable recycle = thumbImageView.getDrawable();
+            Drawable drawable = mDrawableFactory.drawableForItem(cursor, recycle);
+            if (recycle != drawable) {
+                thumbImageView.setImageDrawable(drawable);
+            }
         }
 
         @Override
         public View newView(Context context, Cursor cursor, ViewGroup parent) {
-            View v = LayoutInflater.from(context).inflate(
+            return LayoutInflater.from(context).inflate(
                     R.layout.album_set_item, parent, false);
-            ImageView thumbImageView = (ImageView) v.findViewById(
-                    R.id.album_set_item_image);
-            thumbImageView.setImageResource(android.R.color.darker_gray);
-            return v;
         }
     }
 }

diff --git a/src/com/android/photos/data/AlbumSetLoader.java b/src/com/android/photos/data/AlbumSetLoader.java
index f5fc3b7..b2b5204 100644 (file)
--- a/src/com/android/photos/data/AlbumSetLoader.java
+++ b/src/com/android/photos/data/AlbumSetLoader.java
@@ -13,20 +13,20 @@ public class AlbumSetLoader {
     public static final int INDEX_COUNT_PENDING_UPLOAD = 6;
     public static final int INDEX_COUNT = 7;
 
+    public static final String[] PROJECTION = {
+        "_id",
+        "title",
+        "timestamp",
+        "thumb_uri",
+        "thumb_width",
+        "thumb_height",
+        "count_pending_upload",
+        "_count"
+    };
     public static final MatrixCursor MOCK = createRandomCursor(30);
 
     private static MatrixCursor createRandomCursor(int count) {
-        String[] rows = {
-                "_id",
-                "title",
-                "timestamp",
-                "thumb_uri",
-                "thumb_width",
-                "thumb_height",
-                "count_pending_upload",
-                "_count"
-        };
-        MatrixCursor c = new MatrixCursor(rows, count);
+        MatrixCursor c = new MatrixCursor(PROJECTION, count);
         for (int i = 0; i < count; i++) {
             c.addRow(createRandomRow());
         }

diff --git a/src/com/android/photos/shims/MediaSetLoader.java b/src/com/android/photos/shims/MediaSetLoader.java
index 353fd4e..7a6fcb8 100644 (file)
--- a/src/com/android/photos/shims/MediaSetLoader.java
+++ b/src/com/android/photos/shims/MediaSetLoader.java
@@ -18,17 +18,32 @@ package com.android.photos.shims;
 
 import android.content.AsyncTaskLoader;
 import android.content.Context;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.graphics.drawable.Drawable;
+import android.provider.MediaStore.Files.FileColumns;
 
 import com.android.gallery3d.data.ContentListener;
 import com.android.gallery3d.data.DataManager;
+import com.android.gallery3d.data.MediaDetails;
+import com.android.gallery3d.data.MediaItem;
 import com.android.gallery3d.data.MediaSet;
+import com.android.gallery3d.data.MediaSet.ItemConsumer;
 import com.android.gallery3d.data.MediaSet.SyncListener;
 import com.android.gallery3d.util.Future;
+import com.android.photos.data.AlbumSetLoader;
+import com.android.photos.data.PhotoSetLoader;
+import com.android.photos.drawables.DrawableFactory;
+
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.util.ArrayList;
 
 /**
- * Proof of concept, don't use
+ * Returns all MediaSets in a MediaSet, wrapping them in a cursor to appear
+ * like a AlbumSetLoader.
  */
-public class MediaSetLoader extends AsyncTaskLoader<MediaSet> {
+public class MediaSetLoader extends AsyncTaskLoader<Cursor> implements DrawableFactory<Cursor>{
 
     private static final SyncListener sNullListener = new SyncListener() {
         @Override
@@ -45,6 +60,15 @@ public class MediaSetLoader extends AsyncTaskLoader<MediaSet> {
         }
     };
 
+    private ArrayList<MediaItem> mCoverItems = new ArrayList<MediaItem>();
+
+    public MediaSetLoader(Context context) {
+        super(context);
+        DataManager dm = DataManager.from(context);
+        String path = dm.getTopSetPath(DataManager.INCLUDE_ALL);
+        mMediaSet = dm.getMediaSet(path);
+    }
+
     public MediaSetLoader(Context context, String path) {
         super(context);
         mMediaSet = DataManager.from(getContext()).getMediaSet(path);
@@ -81,9 +105,39 @@ public class MediaSetLoader extends AsyncTaskLoader<MediaSet> {
     }
 
     @Override
-    public MediaSet loadInBackground() {
+    public Cursor loadInBackground() {
         mMediaSet.loadIfDirty();
-        return mMediaSet;
+        final MatrixCursor cursor = new MatrixCursor(AlbumSetLoader.PROJECTION);
+        final Object[] row = new Object[AlbumSetLoader.PROJECTION.length];
+        int count = mMediaSet.getSubMediaSetCount();
+        for (int i = 0; i < count; i++) {
+            MediaSet m = mMediaSet.getSubMediaSet(i);
+            m.loadIfDirty();
+            row[AlbumSetLoader.INDEX_ID] = i;
+            row[AlbumSetLoader.INDEX_TITLE] = m.getName();
+            row[AlbumSetLoader.INDEX_COUNT] = m.getMediaItemCount();
+            MediaItem coverItem = m.getCoverMediaItem();
+            row[AlbumSetLoader.INDEX_TIMESTAMP] = coverItem.getDateInMs();
+            mCoverItems.add(coverItem);
+            cursor.addRow(row);
+        }
+        return cursor;
     }
 
+    @Override
+    public Drawable drawableForItem(Cursor item, Drawable recycle) {
+        BitmapJobDrawable drawable = null;
+        if (recycle == null || !(recycle instanceof BitmapJobDrawable)) {
+            drawable = new BitmapJobDrawable();
+        } else {
+            drawable = (BitmapJobDrawable) recycle;
+        }
+        int index = item.getInt(AlbumSetLoader.INDEX_ID);
+        drawable.setMediaItem(mCoverItems.get(index));
+        return drawable;
+    }
+
+    public static int getThumbnailSize() {
+        return MediaItem.getTargetSize(MediaItem.TYPE_MICROTHUMBNAIL);
+    }
 }