Add theme setting

This prepares that different themes can be added. Currently light and
dark will just use the default OK theme.

1 files changed, 35 insertions, 1 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsActivity.java
index bcf42ba74..27ce3ac56 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsActivity.java
@@ -53,6 +53,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
     public static final String ACTION_PREFS_CLOUD = "org.sufficientlysecure.keychain.ui.PREFS_CLOUD";
     public static final String ACTION_PREFS_ADV = "org.sufficientlysecure.keychain.ui.PREFS_ADV";
     public static final String ACTION_PREFS_PROXY = "org.sufficientlysecure.keychain.ui.PREFS_PROXY";
+    public static final String ACTION_PREFS_GUI = "org.sufficientlysecure.keychain.ui.PREFS_GUI";
 
     public static final int REQUEST_CODE_KEYSERVER_PREF = 0x00007005;
 
@@ -106,6 +107,10 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             initializeUseNumKeypadForYubiKeyPin(
                     (CheckBoxPreference) findPreference(Constants.Pref.USE_NUMKEYPAD_FOR_YUBIKEY_PIN));
 
+        } else if (action != null && action.equals(ACTION_PREFS_GUI)) {
+            addPreferencesFromResource(R.xml.gui_preferences);
+
+            initializeTheme((ListPreference) findPreference(Constants.Pref.THEME));
         }
     }
 
@@ -425,14 +430,30 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
                 mUseTor.setEnabled(true);
             }
         }
+    }
+
+    /**
+     * This fragment shows gui preferences.
+     */
+    public static class GuiPrefsFragment extends PreferenceFragment {
+
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+
 
+            // Load the preferences from an XML resource
+            addPreferencesFromResource(R.xml.gui_preferences);
+
+            initializeTheme((ListPreference) findPreference(Constants.Pref.THEME));
+        }
     }
 
-    @TargetApi(Build.VERSION_CODES.KITKAT)
     protected boolean isValidFragment(String fragmentName) {
         return AdvancedPrefsFragment.class.getName().equals(fragmentName)
                 || CloudSearchPrefsFragment.class.getName().equals(fragmentName)
                 || ProxyPrefsFragment.class.getName().equals(fragmentName)
+                || GuiPrefsFragment.class.getName().equals(fragmentName)
                 || super.isValidFragment(fragmentName);
     }
 
@@ -461,6 +482,19 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
                 });
     }
 
+    private static void initializeTheme(final ListPreference mTheme) {
+        mTheme.setValue(sPreferences.getTheme());
+        mTheme.setSummary(mTheme.getEntry());
+        mTheme.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                mTheme.setValue((String) newValue);
+                mTheme.setSummary(mTheme.getEntry());
+                sPreferences.setTheme((String) newValue);
+                return false;
+            }
+        });
+    }
+
     private static void initializeSearchKeyserver(final CheckBoxPreference mSearchKeyserver) {
         Preferences.CloudSearchPrefs prefs = sPreferences.getCloudSearchPrefs();
         mSearchKeyserver.setChecked(prefs.searchKeyserver);