204 lines
7.8 KiB
Java
204 lines
7.8 KiB
Java
package fr.gouv.etalab.mastodon.fragments;
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/* Copyright 2018 Thomas Schneider
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*
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* This file is a part of Mastalab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Mastalab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Mastalab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Looper;
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import android.support.annotation.NonNull;
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import android.support.v4.app.Fragment;
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import android.support.v7.widget.GridLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.RelativeLayout;
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import android.widget.Toast;
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import java.util.ArrayList;
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import java.util.List;
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import es.dmoral.toasty.Toasty;
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import fr.gouv.etalab.mastodon.R;
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import fr.gouv.etalab.mastodon.asynctasks.RetrieveFeedsAsyncTask;
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import fr.gouv.etalab.mastodon.client.APIResponse;
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import fr.gouv.etalab.mastodon.client.Entities.Attachment;
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import fr.gouv.etalab.mastodon.client.Entities.Status;
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import fr.gouv.etalab.mastodon.drawers.ImageAdapter;
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import fr.gouv.etalab.mastodon.helper.Helper;
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import fr.gouv.etalab.mastodon.interfaces.OnRetrieveFeedsInterface;
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/**
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* Created by Thomas on 05/09/2018.
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* Fragment to display media related to status
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*/
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public class DisplayMediaFragment extends Fragment implements OnRetrieveFeedsInterface {
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private boolean flag_loading;
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private Context context;
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private AsyncTask<Void, Void, Void> asyncTask;
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private String max_id;
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private RelativeLayout mainLoader, nextElementLoader, textviewNoAction;
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private boolean firstLoad;
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private String targetedId;
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private boolean showMediaOnly, showPinned, showReply;
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boolean firstTootsLoaded;
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private SharedPreferences sharedpreferences;
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private ArrayList<Attachment> attachments;
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private ImageAdapter gridAdaper;
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public DisplayMediaFragment(){
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}
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View rootView = inflater.inflate(R.layout.fragment_status_media, container, false);
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context = getContext();
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Bundle bundle = this.getArguments();
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showMediaOnly = true;
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//Will allow to load first toots if bookmark != null
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firstTootsLoaded = true;
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showPinned = false;
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max_id = null;
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flag_loading = true;
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showReply = false;
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firstLoad = true;
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assert context != null;
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sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
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mainLoader = rootView.findViewById(R.id.loader);
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nextElementLoader = rootView.findViewById(R.id.loading_next_status);
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textviewNoAction = rootView.findViewById(R.id.no_action);
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mainLoader.setVisibility(View.VISIBLE);
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nextElementLoader.setVisibility(View.GONE);
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if (bundle != null) {
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targetedId = bundle.getString("targetedid", null);
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}
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attachments = new ArrayList<>();
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gridAdaper = new ImageAdapter(context, attachments);
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RecyclerView gridview = rootView.findViewById(R.id.gridview_media);
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gridview.setAdapter(gridAdaper);
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GridLayoutManager gvLayout = new GridLayoutManager(context, 3);
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gridview.setLayoutManager(gvLayout);
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gridview.addOnScrollListener(new RecyclerView.OnScrollListener() {
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public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
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int firstVisibleItem = gvLayout.findFirstVisibleItemPosition();
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if (dy > 0) {
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int visibleItemCount = gvLayout.getChildCount();
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int totalItemCount = gvLayout.getItemCount();
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if (firstVisibleItem + visibleItemCount == totalItemCount && context != null) {
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if (!flag_loading) {
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flag_loading = true;
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asyncTask = new RetrieveFeedsAsyncTask(context, RetrieveFeedsAsyncTask.Type.USER, targetedId, max_id, showMediaOnly, showPinned, showReply, DisplayMediaFragment.this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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nextElementLoader.setVisibility(View.VISIBLE);
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}
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} else {
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nextElementLoader.setVisibility(View.GONE);
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}
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}
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}
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});
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if( context != null) {
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asyncTask = new RetrieveFeedsAsyncTask(context, RetrieveFeedsAsyncTask.Type.USER, targetedId, max_id, showMediaOnly, showPinned, showReply,DisplayMediaFragment.this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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}else {
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new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {
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@Override
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public void run() {
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if( context != null){
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asyncTask = new RetrieveFeedsAsyncTask(context, RetrieveFeedsAsyncTask.Type.USER, targetedId, max_id, showMediaOnly, showPinned, showReply,DisplayMediaFragment.this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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}
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}
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}, 500);
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}
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return rootView;
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}
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@Override
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public void onCreate(Bundle saveInstance)
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{
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super.onCreate(saveInstance);
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}
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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this.context = context;
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}
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@Override
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public void onDestroy (){
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super.onDestroy();
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if(asyncTask != null && asyncTask.getStatus() == AsyncTask.Status.RUNNING)
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asyncTask.cancel(true);
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}
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@Override
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public void onRetrieveFeeds(APIResponse apiResponse) {
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mainLoader.setVisibility(View.GONE);
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nextElementLoader.setVisibility(View.GONE);
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//Discards 404 - error which can often happen due to toots which have been deleted
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if(apiResponse == null || apiResponse.getError() != null && apiResponse.getError().getStatusCode() != 404 ){
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if( apiResponse != null && apiResponse.getError() != null && apiResponse.getError().getError() != null)
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Toasty.error(context, apiResponse.getError().getError(),Toast.LENGTH_LONG).show();
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else
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Toasty.error(context, context.getString(R.string.toast_error),Toast.LENGTH_LONG).show();
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flag_loading = false;
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return;
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}
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List<Status> statuses = apiResponse.getStatuses();
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max_id = apiResponse.getMax_id();
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if( attachments == null)
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attachments = new ArrayList<>();
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int previousPosition = this.attachments.size();
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flag_loading = (max_id == null );
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if( firstLoad && (statuses == null || statuses.size() == 0))
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textviewNoAction.setVisibility(View.VISIBLE);
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else
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textviewNoAction.setVisibility(View.GONE);
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if( statuses != null && statuses.size() > 0) {
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for(Status status: statuses){
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if( status.getMedia_attachments() != null && status.getMedia_attachments().size() > 0) {
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attachments.addAll(status.getMedia_attachments());
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gridAdaper.notifyItemRangeInserted(previousPosition, attachments.size());
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}
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}
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}
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firstLoad = false;
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}
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}
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