102 lines
2.6 KiB
Java
102 lines
2.6 KiB
Java
package org.fox.ttrss.util;
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import java.lang.reflect.Type;
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import java.util.List;
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import org.fox.ttrss.ApiRequest;
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import org.fox.ttrss.GlobalState;
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import org.fox.ttrss.OnlineActivity;
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import org.fox.ttrss.R;
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import org.fox.ttrss.types.Article;
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import org.fox.ttrss.types.ArticleList;
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import org.fox.ttrss.types.Feed;
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import android.content.Context;
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import android.util.Log;
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import com.google.gson.Gson;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.reflect.TypeToken;
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public class HeadlinesRequest extends ApiRequest {
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public static final int HEADLINES_REQUEST_SIZE = 30;
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public static final int HEADLINES_BUFFER_MAX = 1500;
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private final String TAG = this.getClass().getSimpleName();
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private int m_offset = 0;
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private OnlineActivity m_activity;
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private ArticleList m_articles = GlobalState.getInstance().m_loadedArticles;
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private Feed m_feed;
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public HeadlinesRequest(Context context, OnlineActivity activity, final Feed feed) {
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super(context);
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m_activity = activity;
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m_feed = feed;
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}
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protected void onPostExecute(JsonElement result) {
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if (result != null) {
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try {
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// check if we are returning results for correct feed
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if (GlobalState.getInstance().m_activeFeed != null && !m_feed.equals(GlobalState.getInstance().m_activeFeed)) {
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Log.d(TAG, "received results for wrong feed, bailing out.");
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return;
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}
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JsonArray content = result.getAsJsonArray();
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if (content != null) {
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Type listType = new TypeToken<List<Article>>() {}.getType();
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final List<Article> articles = new Gson().fromJson(content, listType);
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if (m_offset == 0) {
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m_articles.clear();
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} else {
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while (m_articles.size() > HEADLINES_BUFFER_MAX) {
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m_articles.remove(0);
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}
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if (m_articles.get(m_articles.size()-1).id == -1) {
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m_articles.remove(m_articles.size()-1); // remove previous placeholder
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}
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}
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for (Article f : articles)
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if (!m_articles.containsId(f.id))
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m_articles.add(f);
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if (articles.size() == HEADLINES_REQUEST_SIZE) {
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Article placeholder = new Article(-1);
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m_articles.add(placeholder);
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}
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/* if (m_articles.size() == 0)
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m_activity.setLoadingStatus(R.string.no_headlines_to_display, false);
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else */
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m_activity.setLoadingStatus(R.string.blank, false);
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return;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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if (m_lastError == ApiError.LOGIN_FAILED) {
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m_activity.login();
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} else {
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m_activity.setLoadingStatus(getErrorMessage(), false);
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}
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}
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public void setOffset(int skip) {
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m_offset = skip;
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}
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}
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