From 01e68e044cf897cc9559157c35a451889b3413aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= <dominik@dominikschuermann.de>
Date: Wed, 12 Aug 2015 21:26:15 +0200
Subject: Lock orientation for yubikey operations

---
 .../keychain/util/OrientationUtils.java            | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/OrientationUtils.java

(limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util')

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/OrientationUtils.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/OrientationUtils.java
new file mode 100644
index 000000000..43ed12429
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/OrientationUtils.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.util;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.res.Configuration;
+import android.view.Display;
+import android.view.Surface;
+import android.view.WindowManager;
+
+/**
+ * Static methods related to device orientation.
+ */
+public class OrientationUtils {
+
+    /**
+     * Locks the device window in landscape mode.
+     */
+    public static void lockOrientationLandscape(Activity activity) {
+        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+    }
+
+    /**
+     * Locks the device window in portrait mode.
+     */
+    public static void lockOrientationPortrait(Activity activity) {
+        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+    }
+
+    /**
+     * Locks the device window in actual screen mode.
+     */
+    public static void lockOrientation(Activity activity) {
+        Display display = ((WindowManager) activity.getSystemService(Context.WINDOW_SERVICE))
+                .getDefaultDisplay();
+        int rotation = display.getRotation();
+        int tempOrientation = activity.getResources().getConfiguration().orientation;
+        int orientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+
+        switch (tempOrientation) {
+            case Configuration.ORIENTATION_LANDSCAPE: {
+                if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_90) {
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
+                } else {
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
+                }
+                break;
+            }
+            case Configuration.ORIENTATION_PORTRAIT: {
+                if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_270) {
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+                } else {
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
+                }
+                break;
+            }
+        }
+        activity.setRequestedOrientation(orientation);
+    }
+
+    /**
+     * Unlocks the device window in user defined screen mode.
+     */
+    public static void unlockOrientation(Activity activity) {
+        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_USER);
+    }
+
+}
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