1 files changed, 82 insertions, 0 deletions
diff --git a/src/com/android/launcher3/locale/LocaleSetManager.java b/src/com/android/launcher3/locale/LocaleSetManager.java
new file mode 100644
index 000000000..b058718f3
--- /dev/null
+++ b/src/com/android/launcher3/locale/LocaleSetManager.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2014 The CyanogenMod Project
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package com.android.launcher3.locale;
+
+import android.content.Context;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.google.common.annotations.VisibleForTesting;
+
+import java.util.Locale;
+
+import libcore.icu.ICU;
+
+public class LocaleSetManager {
+    private static final String TAG = LocaleSetManager.class.getSimpleName();
+
+    private LocaleSet mCurrentLocales;
+    private final Context mContext;
+
+    public LocaleSetManager(final Context context) {
+        mContext = context;
+    }
+
+    /**
+     * Sets up the locale set
+     * @param localeSet value to set it to
+     */
+    public void updateLocaleSet(LocaleSet localeSet) {
+        Log.d(TAG, "Locale Changed from: " + mCurrentLocales + " to " + localeSet);
+        mCurrentLocales = localeSet;
+        LocaleUtils.getInstance().setLocales(mCurrentLocales);
+    }
+
+    /**
+     * This takes an old and new locale set and creates a combined locale set.  If they share a
+     * primary then the old one is returned
+     * @return the combined locale set
+     */
+    private static LocaleSet getCombinedLocaleSet(LocaleSet oldLocales, Locale newLocale) {
+        Locale prevLocale = null;
+
+        if (oldLocales != null) {
+            prevLocale = oldLocales.getPrimaryLocale();
+            // If primary locale is unchanged then no change to locale set.
+            if (newLocale.equals(prevLocale)) {
+                return oldLocales;
+            }
+        }
+
+        // Otherwise, construct a new locale set based on the new locale
+        // and the previous primary locale.
+        return new LocaleSet(newLocale, prevLocale).normalize();
+    }
+
+    /**
+     * @return the system locale set
+     */
+    public LocaleSet getSystemLocaleSet() {
+        final Locale curLocale = getLocale();
+        return getCombinedLocaleSet(mCurrentLocales, curLocale);
+    }
+
+    @VisibleForTesting
+    protected Locale getLocale() {
+        return Locale.getDefault();
+    }
+}