org.mariotaku.twidere.adapter.UserAutoCompleteAdapter.java Source code

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Here is the source code for org.mariotaku.twidere.adapter.UserAutoCompleteAdapter.java

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/*
 *            Twidere - Twitter client for Android
 * 
 * Copyright (C) 2012 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.adapter;

import static org.mariotaku.twidere.util.Utils.getBiggerTwitterProfileImage;
import static org.mariotaku.twidere.util.Utils.getNormalTwitterProfileImage;
import static org.mariotaku.twidere.util.Utils.parseURL;

import org.mariotaku.twidere.Constants;
import org.mariotaku.twidere.R;
import org.mariotaku.twidere.app.TwidereApplication;
import org.mariotaku.twidere.provider.TweetStore.CachedUsers;
import org.mariotaku.twidere.provider.TweetStore.Statuses;
import org.mariotaku.twidere.util.LazyImageLoader;

import android.content.ContentResolver;
import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.View;
import android.widget.FilterQueryProvider;
import android.widget.ImageView;

public class UserAutoCompleteAdapter extends SimpleCursorAdapter implements Constants {

    private Cursor mCursor;

    private final ContentResolver mResolver;
    private final LazyImageLoader mProfileImageLoader;
    private final SharedPreferences mPreferences;
    private static final String[] FROM = new String[] { CachedUsers.NAME, CachedUsers.SCREEN_NAME };
    private static final int[] TO = new int[] { android.R.id.text1, android.R.id.text2 };

    private int mProfileImageUrlIdx, mScreenNameIdx;

    private boolean mCursorClosed = false;

    private final boolean mDisplayProfileImage, mDisplayHiResProfileImage;

    private boolean mForceSSLConnection;

    public UserAutoCompleteAdapter(Context context) {
        super(context, R.layout.user_autocomplete_list_item, null, FROM, TO, 0);
        mPreferences = context.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
        mResolver = context.getContentResolver();
        final Context app_context = context.getApplicationContext();
        mProfileImageLoader = app_context instanceof TwidereApplication
                ? ((TwidereApplication) app_context).getProfileImageLoader()
                : null;
        mDisplayProfileImage = mPreferences != null
                ? mPreferences.getBoolean(PREFERENCE_KEY_DISPLAY_PROFILE_IMAGE, true)
                : true;
        mDisplayHiResProfileImage = mPreferences != null
                ? mPreferences.getBoolean(PREFERENCE_KEY_HIRES_PROFILE_IMAGE, false)
                : false;
    }

    @Override
    public void bindView(View view, Context context, Cursor cursor) {
        if (mCursorClosed)
            return;

        final ImageView image_view = (ImageView) view.findViewById(android.R.id.icon);
        image_view.setVisibility(mDisplayProfileImage ? View.VISIBLE : View.GONE);
        if (mDisplayProfileImage && mProfileImageLoader != null) {
            final String profile_image_url_string = cursor.getString(mProfileImageUrlIdx);
            mProfileImageLoader.displayImage(parseURL(cursor.getString(mProfileImageUrlIdx)), image_view);
            if (mDisplayHiResProfileImage) {
                mProfileImageLoader.displayImage(
                        parseURL(getBiggerTwitterProfileImage(profile_image_url_string, mForceSSLConnection)),
                        image_view);
            } else {
                mProfileImageLoader.displayImage(
                        parseURL(getNormalTwitterProfileImage(profile_image_url_string, mForceSSLConnection)),
                        image_view);
            }
        }
        super.bindView(view, context, cursor);
    }

    @Override
    public void changeCursor(Cursor cursor) {
        if (mCursorClosed)
            return;
        if (cursor != null) {
            mProfileImageUrlIdx = cursor.getColumnIndexOrThrow(Statuses.PROFILE_IMAGE_URL);
            mScreenNameIdx = cursor.getColumnIndexOrThrow(CachedUsers.SCREEN_NAME);
        }
        mCursor = cursor;
        super.changeCursor(mCursor);
    }

    public void closeCursor() {
        if (mCursor != null && !mCursor.isClosed()) {
            mCursor.close();
        }
        mCursor = null;
        mCursorClosed = true;
    }

    @Override
    public CharSequence convertToString(Cursor cursor) {
        if (mCursorClosed)
            return null;
        return cursor.getString(mScreenNameIdx);
    }

    public boolean isCursorClosed() {
        return mCursorClosed;
    }

    @Override
    public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
        if (mCursorClosed)
            return null;
        final FilterQueryProvider filter = getFilterQueryProvider();
        if (filter != null)
            return filter.runQuery(constraint);
        final StringBuilder where = new StringBuilder();
        constraint = constraint != null ? constraint.toString().replaceAll("_", "^_") : null;
        where.append(CachedUsers.SCREEN_NAME + " LIKE '" + constraint + "%' ESCAPE '^'");
        where.append(" OR ");
        where.append(CachedUsers.NAME + " LIKE '" + constraint + "%' ESCAPE '^'");
        return mResolver.query(CachedUsers.CONTENT_URI, CachedUsers.COLUMNS,
                constraint != null ? where.toString() : null, null, null);
    }

    public void setForceSSLConnection(boolean force_ssl) {
        mForceSSLConnection = force_ssl;
    }

}