QuickMenuFragment.java

package org.getlantern.firetweet.fragment.support;

import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageButton;
import android.widget.ListAdapter;
import android.widget.ListView;

import com.commonsware.cwac.merge.MergeAdapter;
import com.sothree.slidinguppanel.SlidingUpPanelLayout;
import com.sothree.slidinguppanel.SlidingUpPanelLayout.PanelState;

import org.getlantern.querybuilder.Columns;
import org.getlantern.querybuilder.Expression;
import org.getlantern.querybuilder.OrderBy;
import org.getlantern.querybuilder.SQLQueryBuilder;
import org.getlantern.querybuilder.Table;
import org.getlantern.querybuilder.query.SQLSelectQuery;
import org.getlantern.firetweet.R;
import org.getlantern.firetweet.fragment.support.TrendsSuggectionsFragment.TrendsAdapter;
import org.getlantern.firetweet.provider.FiretweetDataStore.CachedTrends;
import org.getlantern.firetweet.util.ThemeUtils;
import org.getlantern.firetweet.util.Utils;
import org.getlantern.firetweet.util.accessor.ViewAccessor;
import org.getlantern.firetweet.view.ExtendedFrameLayout;
import org.getlantern.firetweet.view.iface.IExtendedView.OnFitSystemWindowsListener;

import static org.getlantern.firetweet.util.Utils.getTableNameByUri;
import static org.getlantern.firetweet.util.Utils.openTweetSearch;

public class QuickMenuFragment extends BaseSupportFragment implements OnFitSystemWindowsListener, OnItemClickListener {

    private ExtendedFrameLayout mQuickMenuContainer;
    private SharedPreferences mPreferences;
    private Context mThemedContext;
    private ListView mListView;
    private SlidingUpPanelLayout mSlidingUpPanel;
    private ImageButton mActivitiesConfigButton;

    private MergeAdapter mAdapter;
    private TrendsAdapter mTrendsAdapter;

    private static final int LOADER_ID_TRENDS = 1;

    private final LoaderCallbacks<Cursor> mTrendsCallback = new LoaderCallbacks<Cursor>() {

        @Override
        public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
            final Uri uri = CachedTrends.Local.CONTENT_URI;
            final String table = getTableNameByUri(uri);
            final SQLSelectQuery selectQuery = SQLQueryBuilder.select(new Columns(CachedTrends.TIMESTAMP))
                    .from(new Table(table))
                    .orderBy(new OrderBy(CachedTrends.TIMESTAMP, false))
                    .limit(1)
                    .build();
            final Expression where = Expression.equals(CachedTrends.TIMESTAMP, selectQuery);
            return new CursorLoader(getActivity(), uri, CachedTrends.COLUMNS, where.getSQL(), null, null);
        }

        @Override
        public void onLoaderReset(final Loader<Cursor> loader) {
            mTrendsAdapter.swapCursor(null);
        }

        @Override
        public void onLoadFinished(final Loader<Cursor> loader, final Cursor data) {
            mTrendsAdapter.swapCursor(data);
        }

    };

    @Override
    public void onActivityCreated(final Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        mQuickMenuContainer.setOnFitSystemWindowsListener(this);
        mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
        if (mPreferences.getBoolean(KEY_QUICK_MENU_EXPANDED, false)) {
        } else {
        }
        final Context context = getThemedContext();
        mAdapter = new MergeAdapter();
        mTrendsAdapter = new TrendsAdapter(context);

        mAdapter.addView(Utils.newSectionView(context, R.string.trends), false);
        mAdapter.addAdapter(mTrendsAdapter);
        mListView.setAdapter(mAdapter);
        mListView.setOnItemClickListener(this);
        getLoaderManager().initLoader(LOADER_ID_TRENDS, null, mTrendsCallback);
    }

    @Override
    public LayoutInflater getLayoutInflater(Bundle savedInstanceState) {
        return LayoutInflater.from(getThemedContext());
    }

    @Override
    public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_quick_menu, container, false);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        final SharedPreferences.Editor editor = mPreferences.edit();
        editor.putBoolean(KEY_QUICK_MENU_EXPANDED, mSlidingUpPanel.getPanelState() == PanelState.EXPANDED);
        editor.apply();
    }

    @Override
    public void onBaseViewCreated(final View view, final Bundle savedInstanceState) {
        super.onBaseViewCreated(view, savedInstanceState);
        mQuickMenuContainer = (ExtendedFrameLayout) view.findViewById(R.id.quick_menu_fragment);
        mListView = (ListView) view.findViewById(android.R.id.list);
        mSlidingUpPanel = (SlidingUpPanelLayout) view.findViewById(R.id.activities_drawer);
        mActivitiesConfigButton = (ImageButton) view.findViewById(R.id.activities_config_button);
        final View activitiesContainer = view.findViewById(R.id.activities_container);
        ViewAccessor.setBackground(activitiesContainer, ThemeUtils.getWindowBackground(getThemedContext()));
    }

    @Override
    public void onFitSystemWindows(Rect insets) {
        mQuickMenuContainer.setPadding(insets.left, insets.top, insets.right, insets.bottom);
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        final ListAdapter adapter = mAdapter.getAdapter(position);
        if (adapter instanceof TrendsAdapter) {
            openTweetSearch(getActivity(), getAccountId(), (String) mAdapter.getItem(position));
        }
    }

    private long getAccountId() {
        return -1;
    }

    private Context getThemedContext() {
        if (mThemedContext != null) return mThemedContext;
        final Context context = getActivity();
        final int currentThemeResource = ThemeUtils.getThemeResource(context);
        final int themeResource = ThemeUtils.getDrawerThemeResource(currentThemeResource);
        return mThemedContext = new ContextThemeWrapper(context, themeResource);
    }

}