| /* |
| * Copyright (C) 2013 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.documentsui; |
| |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.FragmentTransaction; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ProviderInfo; |
| import android.os.Bundle; |
| import android.provider.DocumentsContract; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.ArrayAdapter; |
| import android.widget.GridView; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import com.google.android.collect.Lists; |
| |
| import java.util.List; |
| |
| /** |
| * Display all known storage backends. |
| */ |
| public class BackendFragment extends Fragment { |
| |
| // TODO: handle multiple accounts from single backend |
| |
| private GridView mGridView; |
| private BackendAdapter mAdapter; |
| |
| public static void show(FragmentManager fm) { |
| final BackendFragment fragment = new BackendFragment(); |
| |
| final FragmentTransaction ft = fm.beginTransaction(); |
| ft.replace(R.id.directory, fragment); |
| ft.setBreadCrumbTitle("TOP"); |
| ft.commitAllowingStateLoss(); |
| } |
| |
| @Override |
| public View onCreateView( |
| LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| final Context context = inflater.getContext(); |
| |
| // Gather known storage providers |
| final List<ProviderInfo> providers = context.getPackageManager() |
| .queryContentProviders(null, -1, PackageManager.GET_META_DATA); |
| final List<ProviderInfo> backends = Lists.newArrayList(); |
| for (ProviderInfo info : providers) { |
| if (info.metaData != null |
| && info.metaData.containsKey(DocumentsContract.META_DATA_DOCUMENT_PROVIDER)) { |
| backends.add(info); |
| } |
| } |
| |
| final View view = inflater.inflate(R.layout.fragment_backend, container, false); |
| |
| mGridView = (GridView) view.findViewById(R.id.grid); |
| mGridView.setOnItemClickListener(mItemListener); |
| |
| mAdapter = new BackendAdapter(context, backends); |
| mGridView.setAdapter(mAdapter); |
| mGridView.setNumColumns(GridView.AUTO_FIT); |
| |
| return view; |
| } |
| |
| private OnItemClickListener mItemListener = new OnItemClickListener() { |
| @Override |
| public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| final ProviderInfo info = mAdapter.getItem(position); |
| ((DocumentsActivity) getActivity()).onBackendPicked(info); |
| } |
| }; |
| |
| public static class BackendAdapter extends ArrayAdapter<ProviderInfo> { |
| public BackendAdapter(Context context, List<ProviderInfo> list) { |
| super(context, android.R.layout.simple_list_item_1, list); |
| } |
| |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| if (convertView == null) { |
| convertView = LayoutInflater.from(parent.getContext()) |
| .inflate(R.layout.item_backend, parent, false); |
| } |
| |
| final ImageView icon = (ImageView) convertView.findViewById(android.R.id.icon); |
| final TextView text1 = (TextView) convertView.findViewById(android.R.id.text1); |
| |
| final PackageManager pm = parent.getContext().getPackageManager(); |
| final ProviderInfo info = getItem(position); |
| icon.setImageDrawable(info.loadIcon(pm)); |
| text1.setText(info.loadLabel(pm)); |
| |
| return convertView; |
| } |
| } |
| } |