Refactor KeyboardTheme as top-level class

This CL should be checked in together with I63e33388f9.

Bug: 14042743
Change-Id: I13f0a45bac6f19e006bf1280a36173e52d6d7160

java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java

@@ -45,28 +45,6 @@ import com.android.inputmethod.latin.utils.ResourceUtils;
 public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
     private static final String TAG = KeyboardSwitcher.class.getSimpleName();
 
-    public static final class KeyboardTheme {
-        public final int mThemeId;
-        public final int mStyleId;
-
-        // Note: The themeId should be aligned with "themeId" attribute of Keyboard style
-        // in values/style.xml.
-        public KeyboardTheme(final int themeId, final int styleId) {
-            mThemeId = themeId;
-            mStyleId = styleId;
-        }
-    }
-
-    public static final int THEME_INDEX_ICS = 0;
-    public static final int THEME_INDEX_GB = 1;
-    public static final int THEME_INDEX_KLP = 2;
-    public static final int DEFAULT_THEME_INDEX = THEME_INDEX_KLP;
-    public static final KeyboardTheme[] KEYBOARD_THEMES = {
-        new KeyboardTheme(THEME_INDEX_ICS, R.style.KeyboardTheme_ICS),
-        new KeyboardTheme(THEME_INDEX_GB, R.style.KeyboardTheme_GB),
-        new KeyboardTheme(THEME_INDEX_KLP, R.style.KeyboardTheme_KLP),
-    };
-
     private SubtypeSwitcher mSubtypeSwitcher;
     private SharedPreferences mPrefs;
 
@@ -88,7 +66,8 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
      * what user actually typed. */
     private boolean mIsAutoCorrectionActive;
 
-    private KeyboardTheme mKeyboardTheme = KEYBOARD_THEMES[DEFAULT_THEME_INDEX];
+    private KeyboardTheme mKeyboardTheme =
+            KeyboardTheme.KEYBOARD_THEMES[KeyboardTheme.DEFAULT_THEME_INDEX];
     private Context mThemeContext;
 
     private static final KeyboardSwitcher sInstance = new KeyboardSwitcher();
@@ -127,13 +106,13 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
             final SharedPreferences prefs) {
         final Resources res = context.getResources();
         final int index = Settings.readKeyboardThemeIndex(prefs, res);
-        if (index >= 0 && index < KEYBOARD_THEMES.length) {
+        if (index >= 0 && index < KeyboardTheme.KEYBOARD_THEMES.length) {
-            return KEYBOARD_THEMES[index];
+            return KeyboardTheme.KEYBOARD_THEMES[index];
         }
         final int defaultThemeIndex = Settings.resetAndGetDefaultKeyboardThemeIndex(prefs, res);
         Log.w(TAG, "Illegal keyboard theme in preference: " + index + ", default to "
                 + defaultThemeIndex);
-        return KEYBOARD_THEMES[defaultThemeIndex];
+        return KeyboardTheme.KEYBOARD_THEMES[defaultThemeIndex];
     }
 
     private boolean updateKeyboardThemeAndContextThemeWrapper(final Context context,

java/src/com/android/inputmethod/keyboard/KeyboardTheme.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2014 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.inputmethod.keyboard;
+
+import com.android.inputmethod.latin.R;
+
+public final class KeyboardTheme {
+    public static final int THEME_INDEX_ICS = 0;
+    public static final int THEME_INDEX_GB = 1;
+    public static final int THEME_INDEX_KLP = 2;
+    public static final int DEFAULT_THEME_INDEX = THEME_INDEX_KLP;
+
+    public static final KeyboardTheme[] KEYBOARD_THEMES = {
+        new KeyboardTheme(THEME_INDEX_ICS, R.style.KeyboardTheme_ICS),
+        new KeyboardTheme(THEME_INDEX_GB, R.style.KeyboardTheme_GB),
+        new KeyboardTheme(THEME_INDEX_KLP, R.style.KeyboardTheme_KLP),
+    };
+
+    public final int mThemeId;
+    public final int mStyleId;
+
+    // Note: The themeId should be aligned with "themeId" attribute of Keyboard style
+    // in values/style.xml.
+    public KeyboardTheme(final int themeId, final int styleId) {
+        mThemeId = themeId;
+        mStyleId = styleId;
+    }
+}

java/src/com/android/inputmethod/latin/settings/Settings.java

@@ -23,7 +23,7 @@ import android.content.res.Resources;
 import android.preference.PreferenceManager;
 import android.util.Log;
 
-import com.android.inputmethod.keyboard.KeyboardSwitcher;
+import com.android.inputmethod.keyboard.KeyboardTheme;
 import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
 import com.android.inputmethod.latin.InputAttributes;
 import com.android.inputmethod.latin.R;
@@ -292,7 +292,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
         try {
             return Integer.parseInt(defaultThemeIndexString);
         } catch (final NumberFormatException e) {
-            final int defaultThemeIndex = KeyboardSwitcher.DEFAULT_THEME_INDEX;
+            final int defaultThemeIndex = KeyboardTheme.DEFAULT_THEME_INDEX;
             Log.e(TAG, "Corrupted default keyoard theme in resource: " + defaultThemeIndexString
                     + ", default to " + defaultThemeIndex, e);
             return defaultThemeIndex;

tests/src/com/android/inputmethod/keyboard/KeyboardLayoutSetTestsBase.java

@@ -27,7 +27,6 @@ import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.inputmethod.compat.InputMethodSubtypeCompatUtils;
 import com.android.inputmethod.keyboard.KeyboardLayoutSet.Builder;
-import com.android.inputmethod.keyboard.KeyboardSwitcher.KeyboardTheme;
 import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.RichInputMethodManager;
@@ -42,7 +41,7 @@ import java.util.Locale;
 @SmallTest
 public class KeyboardLayoutSetTestsBase extends AndroidTestCase {
     private static final KeyboardTheme DEFAULT_KEYBOARD_THEME =
-            KeyboardSwitcher.KEYBOARD_THEMES[KeyboardSwitcher.DEFAULT_THEME_INDEX];
+            KeyboardTheme.KEYBOARD_THEMES[KeyboardTheme.DEFAULT_THEME_INDEX];
 
     // All input method subtypes of LatinIME.
     private final ArrayList<InputMethodSubtype> mAllSubtypesList = CollectionUtils.newArrayList();