1 files changed, 153 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/photoeditor/SaveCopyTask.java b/src/com/android/gallery3d/photoeditor/SaveCopyTask.java
new file mode 100644
index 000000000..e43959e94
--- /dev/null
+++ b/src/com/android/gallery3d/photoeditor/SaveCopyTask.java
@@ -0,0 +1,153 @@
+/*
+ * 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.photoeditor;
+
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.Environment;
+import android.provider.MediaStore.Images;
+import android.provider.MediaStore.Images.ImageColumns;
+import android.view.Gravity;
+import android.widget.Toast;
+
+import com.android.gallery3d.R;
+
+import java.io.File;
+import java.sql.Date;
+import java.text.SimpleDateFormat;
+
+/**
+ * Asynchronous task for saving edited photo as a new copy.
+ */
+public class SaveCopyTask extends AsyncTask<Bitmap, Void, Uri> {
+
+    /**
+     * Callback for the completed asynchronous task.
+     */
+    public interface Callback {
+
+        void onComplete(Uri uri);
+    }
+
+    private static final String TIME_STAMP_NAME = "'IMG'_yyyyMMdd_HHmmss";
+    private static final int INDEX_DATE_TAKEN = 0;
+    private static final int INDEX_LATITUDE = 1;
+    private static final int INDEX_LONGITUDE = 2;
+
+    private static final String[] IMAGE_PROJECTION = new String[] {
+        ImageColumns.DATE_TAKEN,
+        ImageColumns.LATITUDE,
+        ImageColumns.LONGITUDE,
+    };
+
+    private final Context context;
+    private final Uri sourceUri;
+    private final Callback callback;
+    private final String albumName;
+    private final String saveFileName;
+
+    public SaveCopyTask(Context context, Uri sourceUri, Callback callback) {
+        this.context = context;
+        this.sourceUri = sourceUri;
+        this.callback = callback;
+
+        albumName = context.getString(R.string.edited_photo_bucket_name);
+        saveFileName = new SimpleDateFormat(TIME_STAMP_NAME).format(
+                new Date(System.currentTimeMillis()));
+    }
+
+    /**
+     * The task should be executed with one given bitmap to be saved.
+     */
+    @Override
+    protected Uri doInBackground(Bitmap... params) {
+        // TODO: Support larger dimensions for photo saving.
+        if (params[0] == null) {
+            return null;
+        }
+        Bitmap bitmap = params[0];
+        File file = save(bitmap);
+        Uri uri = (file != null) ? insertContent(file) : null;
+        bitmap.recycle();
+        return uri;
+    }
+
+    @Override
+    protected void onPostExecute(Uri result) {
+        String message = (result == null) ? context.getString(R.string.saving_failure)
+                : context.getString(R.string.photo_saved, albumName);
+        Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
+        toast.setGravity(Gravity.CENTER, 0, 0);
+        toast.show();
+
+        callback.onComplete(result);
+    }
+
+    private File save(Bitmap bitmap) {
+        String directory = Environment.getExternalStorageDirectory().toString() + "/" + albumName;
+        return new BitmapUtils(context).saveBitmap(
+                bitmap, directory, saveFileName, Bitmap.CompressFormat.JPEG);
+    }
+
+    /**
+     * Insert the content (saved file) with proper source photo properties.
+     */
+    private Uri insertContent(File file) {
+        long now = System.currentTimeMillis() / 1000;
+        long dateTaken = now;
+        double latitude = 0f;
+        double longitude = 0f;
+
+        ContentResolver contentResolver = context.getContentResolver();
+        Cursor cursor = contentResolver.query(
+                sourceUri, IMAGE_PROJECTION, null, null, null);
+        try {
+            if ((cursor != null) && cursor.moveToNext()) {
+                dateTaken = cursor.getLong(INDEX_DATE_TAKEN);
+                latitude = cursor.getDouble(INDEX_LATITUDE);
+                longitude = cursor.getDouble(INDEX_LONGITUDE);
+            }
+        } finally {
+            if (cursor != null) {
+                cursor.close();
+            }
+        }
+
+        ContentValues values = new ContentValues();
+        values.put(Images.Media.TITLE, saveFileName);
+        values.put(Images.Media.DISPLAY_NAME, saveFileName);
+        values.put(Images.Media.MIME_TYPE, "image/jpeg");
+        values.put(Images.Media.DATE_TAKEN, dateTaken);
+        values.put(Images.Media.DATE_MODIFIED, now);
+        values.put(Images.Media.DATE_ADDED, now);
+        values.put(Images.Media.ORIENTATION, 0);
+        values.put(Images.Media.DATA, file.getAbsolutePath());
+        values.put(Images.Media.SIZE, file.length());
+
+        // TODO: Change || to && after the default location issue is fixed.
+        if ((latitude != 0f) || (longitude != 0f)) {
+            values.put(Images.Media.LATITUDE, latitude);
+            values.put(Images.Media.LONGITUDE, longitude);
+        }
+        return contentResolver.insert(Images.Media.EXTERNAL_CONTENT_URI, values);
+    }
+}