introduced tri state omemo setting (off by default, on by default, always)

1 files changed, 74 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java b/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java
new file mode 100644
index 000000000..2c9717da6
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package de.pixart.messenger.crypto;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
+import de.pixart.messenger.R;
+import de.pixart.messenger.entities.Message;
+import de.pixart.messenger.ui.SettingsActivity;
+
+public class OmemoSetting {
+
+    private static boolean always = false;
+    private static int encryption = Message.ENCRYPTION_AXOLOTL;
+
+    public static boolean isAlways() {
+        return always;
+    }
+
+    public static int getEncryption() {
+        return encryption;
+    }
+
+    public static void load(final Context context, final SharedPreferences sharedPreferences) {
+        final String value = sharedPreferences.getString(SettingsActivity.OMEMO_SETTING, context.getResources().getString(R.string.omemo_setting_default));
+        switch (value) {
+            case "always":
+                always = true;
+                encryption = Message.ENCRYPTION_AXOLOTL;
+                break;
+            case "default_off":
+                always = false;
+                encryption = Message.ENCRYPTION_NONE;
+                break;
+            default:
+                always = false;
+                encryption = Message.ENCRYPTION_AXOLOTL;
+                break;
+
+        }
+    }
+
+    public static void load(final Context context) {
+        load(context, PreferenceManager.getDefaultSharedPreferences(context));
+    }
+}
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