From c66e221598ed2c0cb8f5bee2dbfd64e65dc0cb44 Mon Sep 17 00:00:00 2001
From: Moxie Marlinspike <moxie@thoughtcrime.org>
Date: Tue, 20 Nov 2012 18:49:56 -0800
Subject: [PATCH] Signal that we don't want screenshots of unlocked activities.

---
 src/org/thoughtcrime/securesms/ConversationActivity.java    | 6 ++++++
 .../thoughtcrime/securesms/ConversationListActivity.java    | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/org/thoughtcrime/securesms/ConversationActivity.java b/src/org/thoughtcrime/securesms/ConversationActivity.java
index 0c9fa76d0e..f7906e99cc 100644
--- a/src/org/thoughtcrime/securesms/ConversationActivity.java
+++ b/src/org/thoughtcrime/securesms/ConversationActivity.java
@@ -24,6 +24,7 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.telephony.PhoneNumberUtils;
@@ -35,6 +36,7 @@ import android.view.KeyEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnKeyListener;
+import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.EditText;
@@ -435,6 +437,10 @@ public class ConversationActivity extends SherlockFragmentActivity
 
     registerForContextMenu(sendButton);
 
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+      getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+    }
+
     if (getIntent().getStringExtra("forwarded_message") != null)
       composeText.setText(getString(R.string.ConversationActivity_forward_message_prefix)+": " + getIntent().getStringExtra("forwarded_message"));
   }
diff --git a/src/org/thoughtcrime/securesms/ConversationListActivity.java b/src/org/thoughtcrime/securesms/ConversationListActivity.java
index 507e1d8085..39d4eeb6e2 100644
--- a/src/org/thoughtcrime/securesms/ConversationListActivity.java
+++ b/src/org/thoughtcrime/securesms/ConversationListActivity.java
@@ -9,11 +9,13 @@ import android.content.IntentFilter;
 import android.content.ServiceConnection;
 import android.content.SharedPreferences;
 import android.database.ContentObserver;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.Parcelable;
 import android.provider.ContactsContract;
 import android.util.Log;
+import android.view.WindowManager;
 
 import com.actionbarsherlock.app.SherlockFragmentActivity;
 import com.actionbarsherlock.view.Menu;
@@ -299,6 +301,10 @@ public class ConversationListActivity extends SherlockFragmentActivity
   }
 
   private void initializeResources() {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+      getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
+    }
+
     this.fragment = (ConversationListFragment)this.getSupportFragmentManager()
         .findFragmentById(R.id.fragment_content);
   }