com.appjma.appdeployer.adapter.AppVersionsAdapter.java Source code

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Here is the source code for com.appjma.appdeployer.adapter.AppVersionsAdapter.java

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/*
 * Copyright (C) 2013 Jacek Marchwicki <jacek.marchwicki@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */
package com.appjma.appdeployer.adapter;

import java.util.Map;

import android.app.DownloadManager;
import android.content.Context;
import android.database.Cursor;
import android.support.v4.widget.CursorAdapter;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;

import com.appjma.appdeployer.R;
import com.appjma.appdeployer.adapter.DownloadLoader.DownloadItem;
import com.appjma.appdeployer.content.AppContract;
import com.google.common.collect.Maps;

public class AppVersionsAdapter extends CursorAdapter implements OnClickListener {

    public static final String[] PROJECTION = new String[] { AppContract.AppVersions._ID,
            AppContract.AppVersions.VERSION, AppContract.AppVersions.APP_VERSION_ID,
            AppContract.AppVersions.UPDATED_AT, AppContract.AppVersions.DOWNLOAD_MANAGER_ID,
            AppContract.AppVersions.DOWNLOAD_URL };
    private static final int PROJECTION_VERSION = 1;
    public static final int PROJECTION_APP_VERSION_ID = 2;
    public static final int PROJECTION_UPDATED_AT = 3;
    public static final int PROJECTION_DOWNLOAD_MANAGER_ID = 4;
    public static final int PROJECTION_DOWNLOAD_URL = 5;

    private LayoutInflater mInflater;
    private final OnAppVersionDownloadClickListener mListener;
    private long mNow;
    private String mVersionFormat;
    private Map<String, DownloadItem> mMap = Maps.newHashMap();

    public static interface OnAppVersionDownloadClickListener {

        void onDownloadClick(View v, long appVersionId, int position);

    }

    public AppVersionsAdapter(Context context, OnAppVersionDownloadClickListener listener) {
        super(context, null, 0);
        mVersionFormat = context.getString(R.string.app_version_format);
        mListener = listener;
        mInflater = LayoutInflater.from(context);
        mNow = System.currentTimeMillis();
    }

    private static class ViewHolder {
        protected TextView mText1;
        public TextView mText2;
        public long mId;
        public View mButton;
        public int mPosition;
    }

    @Override
    public void bindView(View view, Context context, Cursor cursor) {
        ViewHolder holder = (ViewHolder) view.getTag();
        String version = cursor.getString(PROJECTION_VERSION);
        long updatedAt = cursor.getLong(PROJECTION_UPDATED_AT);
        long id = cursor.getLong(PROJECTION_APP_VERSION_ID);
        String downloadManagerId = cursor.getString(PROJECTION_DOWNLOAD_MANAGER_ID);

        int status = -1;
        if (downloadManagerId != null) {
            DownloadItem downloadItem = mMap.get(downloadManagerId);
            if (downloadItem != null) {
                status = downloadItem.mStatus;
            }
        }
        if (status == DownloadManager.STATUS_PENDING || status == DownloadManager.STATUS_RUNNING) {
            holder.mButton.setBackgroundResource(R.drawable.ic_list_item_downloading);
        } else if (status == DownloadManager.STATUS_SUCCESSFUL) {
            holder.mButton.setBackgroundResource(R.drawable.ic_list_item_downloaded);
        } else {
            holder.mButton.setBackgroundResource(R.drawable.ic_list_item_download);
        }
        holder.mPosition = cursor.getPosition();
        holder.mText1.setText(String.format(mVersionFormat, version));
        CharSequence updatedAtText = DateUtils.getRelativeTimeSpanString(updatedAt, mNow,
                DateUtils.MINUTE_IN_MILLIS);
        holder.mText2.setText(updatedAtText);
        holder.mId = id;
    }

    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent) {
        View view = mInflater.inflate(R.layout.app_item, parent, false);
        ViewHolder holder = new ViewHolder();
        view.setTag(holder);
        holder.mText1 = (TextView) view.findViewById(android.R.id.text1);
        holder.mText2 = (TextView) view.findViewById(android.R.id.text2);
        View button = (View) view.findViewById(android.R.id.button1);
        button.setOnClickListener(this);
        button.setTag(holder);
        holder.mButton = button;
        return view;
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case android.R.id.button1:
            ViewHolder holder = (ViewHolder) v.getTag();
            mListener.onDownloadClick(v, holder.mId, holder.mPosition);
            break;
        default:
            throw new RuntimeException("Unknown button id: " + v.getId());
        }
    }

    public void setDownloadsMap(Map<String, DownloadItem> map) {
        this.mMap = map;
        notifyDataSetChanged();
    }

}