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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.android.experimental.slicepresenter;
import android.app.Activity;
import android.app.slice.Slice;
import android.app.slice.widget.SliceView;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.BaseColumns;
import android.util.ArrayMap;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CursorAdapter;
import android.widget.LinearLayout;
import android.widget.SearchView;
import android.widget.SearchView.OnSuggestionListener;
import android.widget.SimpleCursorAdapter;
import android.widget.Spinner;
import android.widget.Toolbar;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
public class SlicePresenter extends Activity {
private static final String TAG = "SlicePresenter";
private static final String SLICE_METADATA_KEY = "android.metadata.SLICE_URI";
private ArrayList<Uri> mSliceUris = new ArrayList<Uri>();
private String mSelectedMode;
private ViewGroup mContainer;
private boolean mShowingIntentSlice;
private SearchView mSearchView;
private SimpleCursorAdapter mAdapter;
private SubMenu mTypeMenu;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_layout);
Toolbar toolbar = findViewById(R.id.search_toolbar);
setActionBar(toolbar);
// Shows the slice
mContainer = findViewById(R.id.slice_preview);
mSearchView = findViewById(R.id.search_view);
final String[] from = new String[]{"uri"};
final int[] to = new int[]{android.R.id.text1};
mAdapter = new SimpleCursorAdapter(this, android.R.layout.simple_list_item_1,
null, from, to, CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
mSearchView.setSuggestionsAdapter(mAdapter);
mSearchView.setIconifiedByDefault(false);
mSearchView.setOnSuggestionListener(new SearchView.OnSuggestionListener() {
@Override
public boolean onSuggestionClick(int position) {
mSearchView.setQuery(((Cursor) mAdapter.getItem(position)).getString(1), true);
return true;
}
@Override
public boolean onSuggestionSelect(int position) {
mSearchView.setQuery(((Cursor) mAdapter.getItem(position)).getString(1), true);
return true;
}
});
mSearchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String s) {
addSlice(Uri.parse(s));
mSearchView.clearFocus();
return false;
}
@Override
public boolean onQueryTextChange(String s) {
populateAdapter(s);
return false;
}
});
mSelectedMode = (savedInstanceState != null)
? savedInstanceState.getString("SELECTED_MODE", SliceView.MODE_SHORTCUT)
: SliceView.MODE_SHORTCUT;
if (savedInstanceState != null) {
mSearchView.setQuery(savedInstanceState.getString("SELECTED_QUERY"), true);
}
// TODO: Listen for changes.
updateAvailableSlices();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
mTypeMenu = menu.addSubMenu("Type");
mTypeMenu.setIcon(R.drawable.ic_shortcut);
mTypeMenu.getItem().setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
mTypeMenu.add("Shortcut");
mTypeMenu.add("Small");
mTypeMenu.add("Large");
super.onCreateOptionsMenu(menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getTitle().toString()) {
case "Shortcut":
mTypeMenu.setIcon(R.drawable.ic_shortcut);
mSelectedMode = SliceView.MODE_SHORTCUT;
updateSliceModes();
return true;
case "Small":
mTypeMenu.setIcon(R.drawable.ic_small);
mSelectedMode = SliceView.MODE_SMALL;
updateSliceModes();
return true;
case "Large":
mTypeMenu.setIcon(R.drawable.ic_large);
mSelectedMode = SliceView.MODE_LARGE;
updateSliceModes();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putString("SELECTED_MODE", mSelectedMode);
outState.putString("SELECTED_QUERY", mSearchView.getQuery().toString());
}
private void updateAvailableSlices() {
mSliceUris.clear();
List<PackageInfo> packageInfos = getPackageManager()
.getInstalledPackages(PackageManager.GET_ACTIVITIES | PackageManager.GET_META_DATA);
for (PackageInfo pi : packageInfos) {
ActivityInfo[] activityInfos = pi.activities;
if (activityInfos != null) {
for (ActivityInfo ai : activityInfos) {
if (ai.metaData != null) {
String sliceUri = ai.metaData.getString(SLICE_METADATA_KEY);
if (sliceUri != null) {
mSliceUris.add(Uri.parse(sliceUri));
}
}
}
}
}
populateAdapter(String.valueOf(mSearchView.getQuery()));
}
private void addSlice(Uri uri) {
if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
SliceView v = new SliceView(getApplicationContext());
v.setTag(uri);
mContainer.removeAllViews();
mContainer.addView(v);
v.setMode(mSelectedMode);
v.setSlice(uri);
} else {
Log.w(TAG, "Invalid uri, skipping slice: " + uri);
}
}
private void updateSliceModes() {
final int count = mContainer.getChildCount();
for (int i = 0; i < count; i++) {
((SliceView) mContainer.getChildAt(i)).setMode(mSelectedMode);
}
}
private void populateAdapter(String query) {
final MatrixCursor c = new MatrixCursor(new String[]{BaseColumns._ID, "uri"});
ArrayMap<String, Integer> ranking = new ArrayMap<>();
ArrayList<String> suggestions = new ArrayList();
mSliceUris.forEach(uri -> {
String uriString = uri.toString();
if (uriString.contains(query)) {
ranking.put(uriString, uriString.indexOf(query));
suggestions.add(uriString);
}
});
suggestions.sort(Comparator.comparingInt(ranking::get));
for (int i = 0; i < suggestions.size(); i++) {
c.addRow(new Object[]{i, suggestions.get(i)});
}
mAdapter.changeCursor(c);
}
}
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