From 1410765d5d08848609b651faef2816540a521109 Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Tue, 15 Jan 2013 10:10:16 +0100
Subject: [PATCH] Added option to use hash as name for sent pictures

---
 res/values/non_localizable_custom.xml |  2 ++
 src/org/linphone/ChatFragment.java    | 14 ++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/res/values/non_localizable_custom.xml b/res/values/non_localizable_custom.xml
index 0db3a01c0..12e80b756 100644
--- a/res/values/non_localizable_custom.xml
+++ b/res/values/non_localizable_custom.xml
@@ -50,6 +50,8 @@
 	<bool name="forbid_self_call">false</bool>
 	<bool name="disable_chat">false</bool>
 	
+	<bool name="hash_images_as_name_before_upload">true</bool>
+	
 	<bool name="disable_all_security_features_for_markets">false</bool> <!-- Disable TLS/SRTP/ZRTP -->
 	<bool name="disable_all_patented_codecs_for_markets">false</bool> <!-- Disable MPEG4/H264 -->
 	
diff --git a/src/org/linphone/ChatFragment.java b/src/org/linphone/ChatFragment.java
index a54fde846..b7de1fa4e 100644
--- a/src/org/linphone/ChatFragment.java
+++ b/src/org/linphone/ChatFragment.java
@@ -634,6 +634,16 @@ public class ChatFragment extends Fragment implements OnClickListener, LinphoneC
 		}
 	}
 	
+	private long hashBitmap(Bitmap bmp){
+		long hash = 31; // Random prime number
+		for(int x = 0; x < bmp.getWidth(); x++){
+			for (int y = 0; y < bmp.getHeight(); y++){
+				hash *= (bmp.getPixel(x,y) + 31);
+			}
+		}
+		return hash;
+	}
+	
 	private String uploadImage(String filePath, Bitmap file, int compressorQuality, final int imageSize) {
 		String fileName;
 		if (filePath != null) {
@@ -643,6 +653,10 @@ public class ChatFragment extends Fragment implements OnClickListener, LinphoneC
 			fileName = getString(R.string.temp_photo_name_with_date).replace("%s", String.valueOf(System.currentTimeMillis()));
 		}
 		
+		if (getResources().getBoolean(R.bool.hash_images_as_name_before_upload)) {
+			fileName = String.valueOf(hashBitmap(file)) + ".jpg";
+		}
+		
 		String response = null;
 		HttpURLConnection conn = null;
 		try {