From b22d863c362bb6492240700c0f69f1a5d926f46b Mon Sep 17 00:00:00 2001
From: steckbrief <steckbrief@chefmail.de>
Date: Tue, 3 Nov 2015 21:09:36 +0100
Subject: Implements FS#26: Introduction of dialog to choose whether to resize
 a picture or not

---
 .../conversationsplus/persistance/FileBackend.java | 58 ++++++++++++++--------
 1 file changed, 37 insertions(+), 21 deletions(-)

(limited to 'src/main/java/de/thedevstack/conversationsplus/persistance')

diff --git a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java
index 3a245d62..da5cbf09 100644
--- a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java
+++ b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java
@@ -23,6 +23,7 @@ import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.RectF;
+import android.media.ExifInterface;
 import android.net.Uri;
 import android.os.Environment;
 import android.provider.MediaStore;
@@ -30,6 +31,7 @@ import android.util.Base64;
 import android.util.Base64OutputStream;
 import android.util.Log;
 import android.webkit.MimeTypeMap;
+import android.widget.ImageView;
 
 import de.thedevstack.conversationsplus.Config;
 import de.thedevstack.conversationsplus.R;
@@ -39,6 +41,7 @@ import de.thedevstack.conversationsplus.entities.Message;
 import de.thedevstack.conversationsplus.services.XmppConnectionService;
 import de.thedevstack.conversationsplus.utils.CryptoHelper;
 import de.thedevstack.conversationsplus.utils.ExifHelper;
+import de.thedevstack.conversationsplus.utils.FileHelper;
 import de.thedevstack.conversationsplus.xmpp.pep.Avatar;
 
 public class FileBackend {
@@ -95,7 +98,7 @@ public class FileBackend {
 
 	public static String getConversationsImageDirectory() {
 		return Environment.getExternalStoragePublicDirectory(
-			Environment.DIRECTORY_PICTURES).getAbsolutePath()
+                Environment.DIRECTORY_PICTURES).getAbsolutePath()
 			+ "/Conversations/";
 	}
 
@@ -127,24 +130,7 @@ public class FileBackend {
 	}
 
 	public String getOriginalPath(Uri uri) {
-		String path = null;
-		if (uri.getScheme().equals("file")) {
-			return uri.getPath();
-		} else if (uri.toString().startsWith("content://media/")) {
-			String[] projection = {MediaStore.MediaColumns.DATA};
-			Cursor metaCursor = mXmppConnectionService.getContentResolver().query(uri,
-					projection, null, null, null);
-			if (metaCursor != null) {
-				try {
-					if (metaCursor.moveToFirst()) {
-						path = metaCursor.getString(0);
-					}
-				} finally {
-					metaCursor.close();
-				}
-			}
-		}
-		return path;
+		return FileHelper.getRealPathFromUri(uri);
 	}
 
 	public DownloadableFile copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException {
@@ -268,13 +254,43 @@ public class FileBackend {
 				throw new FileNotFoundException();
 			}
 			thumbnail = resize(fullsize, size);
-			this.mXmppConnectionService.getBitmapCache().put(message.getUuid(),
+            try {
+                thumbnail = rotate(thumbnail, file.getAbsolutePath());
+            } catch (IOException e) {
+                throw new FileNotFoundException();
+            }
+            this.mXmppConnectionService.getBitmapCache().put(message.getUuid(),
 					thumbnail);
 		}
 		return thumbnail;
 	}
 
-	public Uri getTakePhotoUri() {
+    private Bitmap rotate(Bitmap original, String srcPath) throws IOException {
+        try {
+            ExifInterface exif = new ExifInterface(srcPath);
+            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED);
+            int rotation = 0;
+            switch (orientation) {
+                case ExifInterface.ORIENTATION_ROTATE_90:
+                    rotation = 90;
+                    break;
+                case ExifInterface.ORIENTATION_ROTATE_180:
+                    rotation = 180;
+                    break;
+                case ExifInterface.ORIENTATION_ROTATE_270:
+                    rotation = 270;
+                    break;
+            }
+            if (rotation > 0) {
+                return rotate(original, rotation);
+            }
+        } catch (IOException e) {
+            Log.w("filebackend", "Error while rotating image, returning original");
+        }
+        return original;
+    }
+
+    public Uri getTakePhotoUri() {
 		StringBuilder pathBuilder = new StringBuilder();
 		pathBuilder.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM));
 		pathBuilder.append('/');
-- 
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