9e0036ed7d
Continuing to flesh out storage backends by adding an external storage document backend. Still rough, but it can traverse files and directories. Early pass at OPEN/CREATE_DOC picker UI, which offers to traverse any known storage backends. Supports opening subdirectories and returning a picked file. Change-Id: Idc3554036b3816a93d9b465ee8a620746859d2ae
116 lines
4.0 KiB
Java
116 lines
4.0 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.documentsui;
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import android.app.Activity;
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import android.app.FragmentManager;
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import android.app.FragmentTransaction;
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import android.app.ListFragment;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ProviderInfo;
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import android.net.Uri;
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import android.os.Bundle;
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import android.provider.DocumentsContract;
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import android.util.Log;
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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.ArrayAdapter;
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import android.widget.ListView;
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import com.google.android.collect.Lists;
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import java.util.ArrayList;
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import java.util.List;
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public class DocumentsActivity extends Activity {
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private static final String TAG = "Documents";
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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SourceFragment.show(getFragmentManager());
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setResult(Activity.RESULT_CANCELED);
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}
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public void onDocumentPicked(Uri uri) {
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Log.d(TAG, "onDocumentPicked() " + uri);
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final Intent intent = new Intent();
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intent.setData(uri);
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intent.addFlags(
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Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_PERSIST_GRANT_URI_PERMISSION);
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if (Intent.ACTION_CREATE_DOCUMENT.equals(getIntent().getAction())) {
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intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
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}
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setResult(Activity.RESULT_OK, intent);
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finish();
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}
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public static class SourceFragment extends ListFragment {
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private ArrayList<ProviderInfo> mProviders = Lists.newArrayList();
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private ArrayAdapter<ProviderInfo> mAdapter;
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public static void show(FragmentManager fm) {
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final SourceFragment fragment = new SourceFragment();
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final FragmentTransaction ft = fm.beginTransaction();
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ft.replace(android.R.id.content, fragment);
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ft.setBreadCrumbTitle("TOP");
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ft.commitAllowingStateLoss();
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}
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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final Context context = inflater.getContext();
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// Gather known storage providers
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mProviders.clear();
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final List<ProviderInfo> providers = context.getPackageManager()
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.queryContentProviders(null, -1, PackageManager.GET_META_DATA);
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for (ProviderInfo info : providers) {
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if (info.metaData != null
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&& info.metaData.containsKey(
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DocumentsContract.META_DATA_DOCUMENT_PROVIDER)) {
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mProviders.add(info);
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}
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}
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mAdapter = new ArrayAdapter<ProviderInfo>(
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context, android.R.layout.simple_list_item_1, mProviders);
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setListAdapter(mAdapter);
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return super.onCreateView(inflater, container, savedInstanceState);
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}
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@Override
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public void onListItemClick(ListView l, View v, int position, long id) {
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final ProviderInfo info = mAdapter.getItem(position);
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final Uri uri = DocumentsContract.buildContentsUri(DocumentsContract.buildDocumentUri(
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info.authority, DocumentsContract.ROOT_GUID));
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final String displayName = info.name;
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DirectoryFragment.show(getFragmentManager(), uri, displayName);
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}
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}
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}
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