84 lines
2.8 KiB
Java
84 lines
2.8 KiB
Java
/*
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* Copyright (C) 2015 Thialfihar <thi@thialfihar.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui.util;
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import android.app.Activity;
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import android.content.Context;
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import android.view.ContextThemeWrapper;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.util.Preferences;
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public class ThemeChanger {
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private Activity mContext;
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private Preferences mPreferences;
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private String mCurrentTheme = null;
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private int mLightResId;
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private int mDarkResId;
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static public ContextThemeWrapper getDialogThemeWrapper(Context context) {
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Preferences preferences = Preferences.getPreferences(context);
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// if the dialog is displayed from the application class, design is missing.
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// hack to get holo design (which is not automatically applied due to activity's
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// Theme.NoDisplay)
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if (Constants.Pref.Theme.DARK.equals(preferences.getTheme())) {
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return new ContextThemeWrapper(context, R.style.Theme_Keychain_Dark);
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} else {
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return new ContextThemeWrapper(context, R.style.Theme_Keychain_Light);
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}
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}
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public void setThemes(int lightResId, int darkResId) {
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mLightResId = lightResId;
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mDarkResId = darkResId;
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}
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public ThemeChanger(Activity context) {
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mContext = context;
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mPreferences = Preferences.getPreferences(mContext);
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}
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/**
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* Apply the theme set in preferences if it isn't equal to mCurrentTheme
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* anymore or mCurrentTheme hasn't been set yet.
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* If a new theme is applied in this method, then return true, so
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* the caller can re-create the activity, if need be.
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*/
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public boolean changeTheme() {
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String newTheme = mPreferences.getTheme();
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if (mCurrentTheme != null && mCurrentTheme.equals(newTheme)) {
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return false;
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}
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int themeId = mLightResId;
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if (Constants.Pref.Theme.DARK.equals(newTheme)) {
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themeId = mDarkResId;
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}
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ContextThemeWrapper w = new ContextThemeWrapper(mContext, themeId);
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mContext.getTheme().setTo(w.getTheme());
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mCurrentTheme = newTheme;
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return true;
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}
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}
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