tt-rss-android/org.fox.ttrss/src/main/java/org/fox/ttrss/util/HeadlinesRequest.java

142 lines
3.9 KiB
Java
Executable File

package org.fox.ttrss.util;
import android.content.Context;
import android.util.Log;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
import org.fox.ttrss.ApiCommon;
import org.fox.ttrss.ApiRequest;
import org.fox.ttrss.HeadlinesFragment;
import org.fox.ttrss.OnlineActivity;
import org.fox.ttrss.types.Article;
import org.fox.ttrss.types.ArticleList;
import org.fox.ttrss.types.Feed;
import java.lang.reflect.Type;
import java.util.List;
public class HeadlinesRequest extends ApiRequest {
private final String TAG = this.getClass().getSimpleName();
private int m_offset = 0;
private OnlineActivity m_activity;
private ArticleList m_articles; // = new ArticleList(); //Application.getInstance().m_loadedArticles;
private Feed m_feed;
protected boolean m_firstIdChanged = false;
protected int m_firstId = 0;
protected int m_amountLoaded = 0;
public HeadlinesRequest(Context context, OnlineActivity activity, final Feed feed, ArticleList articles) {
super(context);
m_articles = articles;
m_activity = activity;
m_feed = feed;
}
protected void onPostExecute(JsonElement result) {
if (result != null) {
try {
// check if we are returning results for correct feed
/* if (Application.getInstance().m_activeFeed != null && !m_feed.equals(Application.getInstance().m_activeFeed)) {
Log.d(TAG, "received results for wrong feed, bailing out.");
return;
} */
JsonArray content = result.getAsJsonArray();
if (content != null) {
final List<Article> articles;
final JsonObject header;
if (m_activity.getApiLevel() >= 12) {
header = content.get(0).getAsJsonObject();
//Log.d(TAG, "headerID:" + header.get("top_id_changed"));
m_firstIdChanged = header.get("first_id_changed") != null;
try {
m_firstId = header.get("first_id").getAsInt();
} catch (NumberFormatException e) {
m_firstId = 0;
}
Log.d(TAG, "firstID=" + m_firstId + " firstIdChanged=" + m_firstIdChanged);
Type listType = new TypeToken<List<Article>>() {}.getType();
articles = new Gson().fromJson(content.get(1), listType);
} else {
header = null;
Type listType = new TypeToken<List<Article>>() {}.getType();
articles = new Gson().fromJson(content, listType);
}
if (m_offset == 0) {
m_articles.clear();
} else {
m_articles.stripFooters();
while (m_articles.size() > HeadlinesFragment.HEADLINES_BUFFER_MAX) {
m_articles.remove(0);
}
/*if (m_articles.get(m_articles.size()-1).id == HeadlinesFragment.ARTICLE_SPECIAL_LOADMORE) {
m_articles.remove(m_articles.size()-1); // remove previous placeholder
}*/
}
m_amountLoaded = articles.size();
for (Article f : articles)
if (!m_articles.containsId(f.id)) {
f.collectMediaInfo();
f.cleanupExcerpt();
m_articles.add(f);
}
/*if (articles.size() == HEADLINES_REQUEST_SIZE) {
Article placeholder = new Article(HeadlinesFragment.ARTICLE_SPECIAL_LOADMORE);
m_articles.add(placeholder);
}*/
/* if (m_articles.size() == 0)
m_activity.setLoadingStatus(R.string.no_headlines_to_display, false);
else */
//m_activity.setLoadingStatus(R.string.blank, false);
return;
}
} catch (Exception e) {
e.printStackTrace();
}
}
if (m_lastError == ApiCommon.ApiError.LOGIN_FAILED) {
m_activity.login();
} else {
if (m_lastErrorMessage != null) {
m_activity.toast(m_activity.getString(getErrorMessage()) + "\n" + m_lastErrorMessage);
} else {
m_activity.toast(getErrorMessage());
}
//m_activity.setLoadingStatus(getErrorMessage(), false);
}
}
public void setOffset(int skip) {
m_offset = skip;
}
}