chinwag-android/app/src/main/java/com/keylesspalace/tusky/SearchActivity.java

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky;
import android.app.SearchManager;
import android.app.SearchableInfo;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.ActionBar;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.SearchView;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.keylesspalace.tusky.adapter.SearchResultsAdapter;
import com.keylesspalace.tusky.entity.SearchResults;
import com.keylesspalace.tusky.interfaces.LinkListener;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
public class SearchActivity extends BaseActivity implements SearchView.OnQueryTextListener,
LinkListener {
private static final String TAG = "SearchActivity"; // logging tag
private ProgressBar progressBar;
private TextView messageNoResults;
private SearchResultsAdapter adapter;
private String currentQuery;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_search);
progressBar = findViewById(R.id.progress_bar);
messageNoResults = findViewById(R.id.message_no_results);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar bar = getSupportActionBar();
if (bar != null) {
bar.setDisplayHomeAsUpEnabled(true);
bar.setDisplayShowHomeEnabled(true);
bar.setDisplayShowTitleEnabled(false);
}
RecyclerView recyclerView = findViewById(R.id.recycler_view);
recyclerView.setHasFixedSize(true);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
adapter = new SearchResultsAdapter(this);
recyclerView.setAdapter(adapter);
handleIntent(getIntent());
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
handleIntent(intent);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.search_toolbar, menu);
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SearchView searchView = (SearchView) menu.findItem(R.id.action_search)
.getActionView();
setupSearchView(searchView);
if (currentQuery != null) {
searchView.setQuery(currentQuery, false);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home: {
onBackPressed();
return true;
}
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onQueryTextChange(String newText) {
return false;
}
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public void onViewAccount(String id) {
Intent intent = new Intent(this, AccountActivity.class);
intent.putExtra("id", id);
startActivity(intent);
}
@Override
public void onViewTag(String tag) {
Intent intent = new Intent(this, ViewTagActivity.class);
intent.putExtra("hashtag", tag);
startActivity(intent);
}
private void handleIntent(Intent intent) {
if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
currentQuery = intent.getStringExtra(SearchManager.QUERY);
search(currentQuery);
}
}
private void setupSearchView(SearchView searchView) {
searchView.setIconifiedByDefault(false);
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
if (searchManager != null) {
SearchableInfo searchableInfo = searchManager.getSearchableInfo(getComponentName());
searchView.setSearchableInfo(searchableInfo);
}
searchView.setOnQueryTextListener(this);
searchView.setFocusable(false);
searchView.setFocusableInTouchMode(false);
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searchView.setMaxWidth(Integer.MAX_VALUE);
}
private void search(String query) {
clearResults();
Callback<SearchResults> callback = new Callback<SearchResults>() {
@Override
public void onResponse(Call<SearchResults> call, Response<SearchResults> response) {
if (response.isSuccessful()) {
SearchResults results = response.body();
if (results.accounts != null && results.accounts.length > 0 || results.hashtags != null && results.hashtags.length > 0) {
adapter.updateSearchResults(results);
hideFeedback();
} else {
displayNoResults();
}
} else {
onSearchFailure();
}
}
@Override
public void onFailure(Call<SearchResults> call, Throwable t) {
onSearchFailure();
}
};
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mastodonApi.search(query, false)
.enqueue(callback);
}
private void onSearchFailure() {
displayNoResults();
Log.e(TAG, "Search request failed.");
}
private void clearResults() {
adapter.updateSearchResults(null);
progressBar.setVisibility(View.VISIBLE);
messageNoResults.setVisibility(View.GONE);
}
private void displayNoResults() {
progressBar.setVisibility(View.GONE);
messageNoResults.setVisibility(View.VISIBLE);
}
private void hideFeedback() {
progressBar.setVisibility(View.GONE);
messageNoResults.setVisibility(View.GONE);
}
}