Twidere-App-Android-Twitter-Mastodon/twidere/src/main/java/org/mariotaku/twidere/activity/BasePreferenceActivity.java

/*
 * 				Twidere - Twitter client for Android
 * 
 *  Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mariotaku.twidere.activity;

import android.app.ActionBar;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.support.v4.app.NavUtils;
import android.view.Menu;

import org.mariotaku.twidere.Constants;
import org.mariotaku.twidere.activity.iface.IThemedActivity;
import org.mariotaku.twidere.content.res.NoAccentResources;
import org.mariotaku.twidere.menu.TwidereMenuInflater;
import org.mariotaku.twidere.util.ThemeUtils;
import org.mariotaku.twidere.util.theme.TwidereResourceHelper;

import static org.mariotaku.twidere.util.Utils.restartActivity;

public abstract class BasePreferenceActivity extends PreferenceActivity implements Constants,
        IThemedActivity, TwidereResourceHelper.OnInitListener {

    private TwidereResourceHelper mResourceHelper;
    private int mCurrentThemeResource;
    private Theme mTheme;
    private TwidereMenuInflater mMenuInflater;

    @Override
    public boolean onCreateOptionsMenu(Menu menu, TwidereMenuInflater inflater) {
        return false;
    }

    @Override
    public final boolean onCreateOptionsMenu(Menu menu) {
        return onCreateOptionsMenu(menu, getTwidereMenuInflater());
    }

    @Override
    public TwidereMenuInflater getTwidereMenuInflater() {
        if (mMenuInflater != null) return mMenuInflater;
        final ActionBar actionBar = getActionBar();
        if (actionBar != null) {
            return mMenuInflater = new TwidereMenuInflater(actionBar.getThemedContext());
        }
        return mMenuInflater = new TwidereMenuInflater(this);
    }

    @Override
    public void finish() {
        super.finish();
        overrideCloseAnimationIfNeeded();
    }

    @Override
    public int getCurrentThemeResourceId() {
        return mCurrentThemeResource;
    }

    @Override
    public Resources getDefaultResources() {
        return super.getResources();
    }

    @Override
    public Theme getTheme() {
        if (mTheme == null) {
            mTheme = getResources().newTheme();
            mTheme.setTo(super.getTheme());
            final int getThemeResourceId = getThemeResourceId();
            if (getThemeResourceId != 0) {
                mTheme.applyStyle(getThemeResourceId, true);
            }
        }
        return mTheme;
    }

    @Override
    public int getThemeBackgroundAlpha() {
        return 0;
    }

    @Override
    public int getOverrideAccentColor() {
        return 0;
    }

    @Override
    public Resources getResources() {
        if (mResourceHelper == null) {
            mResourceHelper = new TwidereResourceHelper(getThemeResourceId(), this);
        }
        return mResourceHelper.getResources(this, super.getResources());
    }

    @Override
    public String getThemeFontFamily() {
        return VALUE_THEME_FONT_FAMILY_REGULAR;
    }

    @Override
    public int getThemeResourceId() {
        return ThemeUtils.getSettingsThemeResource(this);
    }

    @Override
    public boolean isDarkDrawerEnabled() {
        return false;
    }

    @Override
    public void navigateUpFromSameTask() {
        NavUtils.navigateUpFromSameTask(this);
        overrideCloseAnimationIfNeeded();
    }

    @Override
    public void overrideCloseAnimationIfNeeded() {
        if (shouldOverrideActivityAnimation()) {
            ThemeUtils.overrideActivityCloseAnimation(this);
        } else {
            ThemeUtils.overrideNormalActivityCloseAnimation(this);
        }
    }

    @Override
    public final void restart() {
        restartActivity(this);
    }

    @Override
    public boolean shouldOverrideActivityAnimation() {
        return true;
    }

    protected final boolean isThemeChanged() {
        return getThemeResourceId() != mCurrentThemeResource;
    }

    @Override
    protected void onCreate(final Bundle savedInstanceState) {
        if (shouldOverrideActivityAnimation()) {
            ThemeUtils.overrideActivityOpenAnimation(this);
        }
        ThemeUtils.notifyStatusBarColorChanged(this, mCurrentThemeResource, 0, 0xFF);
        setTheme(mCurrentThemeResource = getThemeResourceId());
        super.onCreate(savedInstanceState);
        setActionBarBackground();
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (isThemeChanged()) {
            restart();
        } else {
            ThemeUtils.notifyStatusBarColorChanged(this, mCurrentThemeResource, 0, 0xFF);
        }
    }

    private final void setActionBarBackground() {
        // ThemeUtils.applyActionBarBackground(getActionBar(), this,
        // mCurrentThemeResource);
    }

    @Override
    public void onInitResources(NoAccentResources resources) {
        ThemeUtils.initResourceInterceptors(this, resources);
    }
}