Revert "Refactor KeyboardTheme"

This reverts commit 19688b584bb903192559196a0e3836bc4c957696.

Build breakage.

Change-Id: I95d4be1578824eaee5a2fb08ec277250727ac668

4 files changed, 24 insertions, 136 deletions

diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
index 4a46a4a46..1cd6ef249 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
@@ -64,7 +64,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
      * what user actually typed. */
     private boolean mIsAutoCorrectionActive;
 
-    private KeyboardTheme mKeyboardTheme;
+    private KeyboardTheme mKeyboardTheme = KeyboardTheme.getDefaultKeyboardTheme();
     private Context mThemeContext;
 
     private static final KeyboardSwitcher sInstance = new KeyboardSwitcher();
@@ -101,7 +101,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
 
     private boolean updateKeyboardThemeAndContextThemeWrapper(final Context context,
             final KeyboardTheme keyboardTheme) {
-        if (mThemeContext == null || !keyboardTheme.equals(mKeyboardTheme)) {
+        if (mThemeContext == null || mKeyboardTheme.mThemeId != keyboardTheme.mThemeId) {
             mKeyboardTheme = keyboardTheme;
             mThemeContext = new ContextThemeWrapper(context, keyboardTheme.mStyleId);
             KeyboardLayoutSet.clearKeyboardCache();
@@ -342,8 +342,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
             mKeyboardView.closing();
         }
 
-        updateKeyboardThemeAndContextThemeWrapper(
-                mLatinIME, KeyboardTheme.getKeyboardTheme(mPrefs));
+        updateKeyboardThemeAndContextThemeWrapper(mLatinIME, mKeyboardTheme);
         mCurrentInputView = (InputView)LayoutInflater.from(mThemeContext).inflate(
                 R.layout.input_view, null);
         mMainKeyboardFrame = mCurrentInputView.findViewById(R.id.main_keyboard_frame);
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardTheme.java b/java/src/com/android/inputmethod/keyboard/KeyboardTheme.java
index 5034540cf..4db72ad4d 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardTheme.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardTheme.java
@@ -17,86 +17,34 @@
 package com.android.inputmethod.keyboard;
 
 import android.content.SharedPreferences;
-import android.os.Build;
-import android.os.Build.VERSION_CODES;
 import android.util.Log;
 
 import com.android.inputmethod.latin.R;
-
-import java.util.Arrays;
-import java.util.Comparator;
+import com.android.inputmethod.latin.settings.Settings;
 
 public final class KeyboardTheme {
     private static final String TAG = KeyboardTheme.class.getSimpleName();
 
-    static final String KITKAT_KEYBOARD_THEME_KEY = "pref_keyboard_layout_20110916";
-    static final String KEYBOARD_THEME_KEY = "pref_keyboard_theme_20140509";
-
-    static final int THEME_ID_ICS = 0;
-    static final int THEME_ID_KLP = 2;
-    static final int THEME_ID_LMP = 3;
-    static final int DEFAULT_THEME_ID = THEME_ID_KLP;
+    public static final int THEME_ID_ICS = 0;
+    public static final int THEME_ID_KLP = 2;
+    private static final int DEFAULT_THEME_ID = THEME_ID_KLP;
 
     private static final KeyboardTheme[] KEYBOARD_THEMES = {
-        new KeyboardTheme(THEME_ID_ICS, R.style.KeyboardTheme_ICS,
-                VERSION_CODES.ICE_CREAM_SANDWICH),
-        new KeyboardTheme(THEME_ID_KLP, R.style.KeyboardTheme_KLP,
-                VERSION_CODES.KITKAT),
-        // TODO: Update to LMP style.
-        new KeyboardTheme(THEME_ID_LMP, R.style.KeyboardTheme_KLP,
-                // TODO: Update this constant once the *next* version becomes available.
-                VERSION_CODES.CUR_DEVELOPMENT),
+        new KeyboardTheme(THEME_ID_ICS, R.style.KeyboardTheme_ICS),
+        new KeyboardTheme(THEME_ID_KLP, R.style.KeyboardTheme_KLP),
     };
-    static {
-        // Sort {@link #KEYBOARD_THEME} by descending order of {@link #mMinApiVersion}.
-        Arrays.sort(KEYBOARD_THEMES, new Comparator<KeyboardTheme>() {
-            @Override
-            public int compare(final KeyboardTheme lhs, final KeyboardTheme rhs) {
-                if (lhs.mMinApiVersion > rhs.mMinApiVersion) return -1;
-                if (lhs.mMinApiVersion < rhs.mMinApiVersion) return 1;
-                return 0;
-            }
-        });
-    }
 
     public final int mThemeId;
     public final int mStyleId;
-    final int mMinApiVersion;
 
     // Note: The themeId should be aligned with "themeId" attribute of Keyboard style
-    // in values/themes-<style>.xml.
-    private KeyboardTheme(final int themeId, final int styleId, final int minApiVersion) {
+    // in values/style.xml.
+    public KeyboardTheme(final int themeId, final int styleId) {
         mThemeId = themeId;
         mStyleId = styleId;
-        mMinApiVersion = minApiVersion;
-    }
-
-    @Override
-    public boolean equals(final Object o) {
-        if (o == this) return true;
-        return (o instanceof KeyboardTheme) && ((KeyboardTheme)o).mThemeId == mThemeId;
     }
 
-    @Override
-    public int hashCode() {
-        return mThemeId;
-    }
-
-    // TODO: This method should be removed when {@link LatinImeLogger} is removed.
-    public int getCompatibleThemeIdForLogging() {
-        switch (mThemeId) {
-        case THEME_ID_ICS:
-            return 5;
-        case THEME_ID_KLP:
-            return 9;
-        case THEME_ID_LMP:
-            return 10;
-        default: // Invalid theme
-            return -1;
-        }
-    }
-
-    private static KeyboardTheme searchKeyboardThemeById(final int themeId) {
+    private static KeyboardTheme searchKeyboardTheme(final int themeId) {
         // TODO: This search algorithm isn't optimal if there are many themes.
         for (final KeyboardTheme theme : KEYBOARD_THEMES) {
             if (theme.mThemeId == themeId) {
@@ -106,57 +54,18 @@ public final class KeyboardTheme {
         return null;
     }
 
-    private static int getSdkVersion() {
-        final int sdkVersion = Build.VERSION.SDK_INT;
-        // TODO: Consider to remove this check once the *next* version becomes available.
-        if (sdkVersion == VERSION_CODES.KITKAT && Build.VERSION.CODENAME.startsWith("L")) {
-            return VERSION_CODES.CUR_DEVELOPMENT;
-        }
-        return sdkVersion;
-    }
-
-    static KeyboardTheme getDefaultKeyboardTheme(final SharedPreferences prefs,
-            final int sdkVersion) {
-        final String obsoleteIdString = prefs.getString(KITKAT_KEYBOARD_THEME_KEY, null);
-        if (obsoleteIdString != null) {
-            // Remove old preference.
-            prefs.edit().remove(KITKAT_KEYBOARD_THEME_KEY).apply();
-            if (sdkVersion <= VERSION_CODES.KITKAT) {
-                try {
-                    final int themeId = Integer.parseInt(obsoleteIdString);
-                    final KeyboardTheme theme = searchKeyboardThemeById(themeId);
-                    if (theme != null) {
-                        return theme;
-                    }
-                    Log.w(TAG, "Unknown keyboard theme in preference: " + obsoleteIdString);
-                } catch (final NumberFormatException e) {
-                    Log.w(TAG, "Illegal keyboard theme in preference: " + obsoleteIdString);
-                }
-            }
-        }
-        // TODO: This search algorithm isn't optimal if there are many themes.
-        for (final KeyboardTheme theme : KEYBOARD_THEMES) {
-            if (sdkVersion >= theme.mMinApiVersion) {
-                return theme;
-            }
-        }
-        return searchKeyboardThemeById(DEFAULT_THEME_ID);
-    }
-
-    public static void saveKeyboardThemeId(final String themeIdString,
-            final SharedPreferences prefs) {
-        prefs.edit().putString(KEYBOARD_THEME_KEY, themeIdString).apply();
+    public static KeyboardTheme getDefaultKeyboardTheme() {
+        return searchKeyboardTheme(DEFAULT_THEME_ID);
     }
 
     public static KeyboardTheme getKeyboardTheme(final SharedPreferences prefs) {
-        final int sdkVersion = getSdkVersion();
-        final String themeIdString = prefs.getString(KEYBOARD_THEME_KEY, null);
+        final String themeIdString = prefs.getString(Settings.PREF_KEYBOARD_LAYOUT, null);
         if (themeIdString == null) {
-            return getDefaultKeyboardTheme(prefs, sdkVersion);
+            return getDefaultKeyboardTheme();
         }
         try {
             final int themeId = Integer.parseInt(themeIdString);
-            final KeyboardTheme theme = searchKeyboardThemeById(themeId);
+            final KeyboardTheme theme = searchKeyboardTheme(themeId);
             if (theme != null) {
                 return theme;
             }
@@ -164,8 +73,9 @@ public final class KeyboardTheme {
         } catch (final NumberFormatException e) {
             Log.w(TAG, "Illegal keyboard theme in preference: " + themeIdString);
         }
-        // Remove preference.
-        prefs.edit().remove(KEYBOARD_THEME_KEY).apply();
-        return getDefaultKeyboardTheme(prefs, sdkVersion);
+        // Reset preference to default value.
+        final String defaultThemeIdString = Integer.toString(DEFAULT_THEME_ID);
+        prefs.edit().putString(Settings.PREF_KEYBOARD_LAYOUT, defaultThemeIdString).apply();
+        return getDefaultKeyboardTheme();
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/settings/Settings.java b/java/src/com/android/inputmethod/latin/settings/Settings.java
index 4e4c8885c..a3aae8cb3 100644
--- a/java/src/com/android/inputmethod/latin/settings/Settings.java
+++ b/java/src/com/android/inputmethod/latin/settings/Settings.java
@@ -64,7 +64,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
             "pref_show_language_switch_key";
     public static final String PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST =
             "pref_include_other_imes_in_language_switch_list";
-    public static final String PREF_KEYBOARD_THEME = "pref_keyboard_theme";
+    public static final String PREF_KEYBOARD_LAYOUT = "pref_keyboard_layout_20110916";
     public static final String PREF_CUSTOM_INPUT_STYLES = "custom_input_styles";
     // TODO: consolidate key preview dismiss delay with the key preview animation parameters.
     public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java b/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java
index e1d38e7c4..22cbd204c 100644
--- a/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsFragment.java
@@ -37,7 +37,6 @@ import android.util.Log;
 import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.inputmethod.dictionarypack.DictionarySettingsActivity;
-import com.android.inputmethod.keyboard.KeyboardTheme;
 import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SubtypeSwitcher;
@@ -254,31 +253,11 @@ public final class SettingsFragment extends InputMethodSettingsFragment
         }
         updateListPreferenceSummaryToCurrentValue(Settings.PREF_SHOW_SUGGESTIONS_SETTING);
         updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
-        final ListPreference keyboardThemePref = (ListPreference)findPreference(
-                Settings.PREF_KEYBOARD_THEME);
-        if (keyboardThemePref != null) {
-            final KeyboardTheme keyboardTheme = KeyboardTheme.getKeyboardTheme(prefs);
-            final String value = Integer.toString(keyboardTheme.mThemeId);
-            final CharSequence entries[] = keyboardThemePref.getEntries();
-            final int entryIndex = keyboardThemePref.findIndexOfValue(value);
-            keyboardThemePref.setSummary(entryIndex < 0 ? null : entries[entryIndex]);
-            keyboardThemePref.setValue(value);
-        }
+        updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEYBOARD_LAYOUT);
         updateCustomInputStylesSummary(prefs, res);
     }
 
     @Override
-    public void onPause() {
-        super.onPause();
-        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
-        final ListPreference keyboardThemePref = (ListPreference)findPreference(
-                Settings.PREF_KEYBOARD_THEME);
-        if (keyboardThemePref != null) {
-            KeyboardTheme.saveKeyboardThemeId(keyboardThemePref.getValue(), prefs);
-        }
-    }
-
-    @Override
     public void onDestroy() {
         getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(
                 this);
@@ -308,7 +287,7 @@ public final class SettingsFragment extends InputMethodSettingsFragment
         ensureConsistencyOfAutoCorrectionSettings();
         updateListPreferenceSummaryToCurrentValue(Settings.PREF_SHOW_SUGGESTIONS_SETTING);
         updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
-        updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEYBOARD_THEME);
+        updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEYBOARD_LAYOUT);
         refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, getResources());
     }