1 files changed, 116 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/com/squareup/picasso/MediaStoreBitmapHunter.java b/mobile/android/thirdparty/com/squareup/picasso/MediaStoreBitmapHunter.java
new file mode 100644
index 000000000..4f8ae1c24
--- /dev/null
+++ b/mobile/android/thirdparty/com/squareup/picasso/MediaStoreBitmapHunter.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2014 Square, Inc.
+ *
+ * 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.squareup.picasso;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.provider.MediaStore;
+import java.io.IOException;
+
+import static android.content.ContentUris.parseId;
+import static android.provider.MediaStore.Images.Thumbnails.FULL_SCREEN_KIND;
+import static android.provider.MediaStore.Images.Thumbnails.MICRO_KIND;
+import static android.provider.MediaStore.Images.Thumbnails.MINI_KIND;
+import static android.provider.MediaStore.Images.Thumbnails.getThumbnail;
+import static com.squareup.picasso.MediaStoreBitmapHunter.PicassoKind.FULL;
+import static com.squareup.picasso.MediaStoreBitmapHunter.PicassoKind.MICRO;
+import static com.squareup.picasso.MediaStoreBitmapHunter.PicassoKind.MINI;
+
+class MediaStoreBitmapHunter extends ContentStreamBitmapHunter {
+  private static final String[] CONTENT_ORIENTATION = new String[] {
+      MediaStore.Images.ImageColumns.ORIENTATION
+  };
+
+  MediaStoreBitmapHunter(Context context, Picasso picasso, Dispatcher dispatcher, Cache cache,
+      Stats stats, Action action) {
+    super(context, picasso, dispatcher, cache, stats, action);
+  }
+
+  @Override Bitmap decode(Request data) throws IOException {
+    ContentResolver contentResolver = context.getContentResolver();
+    setExifRotation(getExitOrientation(contentResolver, data.uri));
+
+    if (data.hasSize()) {
+      PicassoKind picassoKind = getPicassoKind(data.targetWidth, data.targetHeight);
+      if (picassoKind == FULL) {
+        return super.decode(data);
+      }
+
+      long id = parseId(data.uri);
+
+      BitmapFactory.Options options = new BitmapFactory.Options();
+      options.inJustDecodeBounds = true;
+
+      calculateInSampleSize(data.targetWidth, data.targetHeight, picassoKind.width,
+          picassoKind.height, options);
+
+      Bitmap result = getThumbnail(contentResolver, id, picassoKind.androidKind, options);
+
+      if (result != null) {
+        return result;
+      }
+    }
+
+    return super.decode(data);
+  }
+
+  static PicassoKind getPicassoKind(int targetWidth, int targetHeight) {
+    if (targetWidth <= MICRO.width && targetHeight <= MICRO.height) {
+      return MICRO;
+    } else if (targetWidth <= MINI.width && targetHeight <= MINI.height) {
+      return MINI;
+    }
+    return FULL;
+  }
+
+  static int getExitOrientation(ContentResolver contentResolver, Uri uri) {
+    Cursor cursor = null;
+    try {
+      cursor = contentResolver.query(uri, CONTENT_ORIENTATION, null, null, null);
+      if (cursor == null || !cursor.moveToFirst()) {
+        return 0;
+      }
+      return cursor.getInt(0);
+    } catch (RuntimeException ignored) {
+      // If the orientation column doesn't exist, assume no rotation.
+      return 0;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  enum PicassoKind {
+    MICRO(MICRO_KIND, 96, 96),
+    MINI(MINI_KIND, 512, 384),
+    FULL(FULL_SCREEN_KIND, -1, -1);
+
+    final int androidKind;
+    final int width;
+    final int height;
+
+    PicassoKind(int androidKind, int width, int height) {
+      this.androidKind = androidKind;
+      this.width = width;
+      this.height = height;
+    }
+  }
+}