Merge "Don't show title in delete confirmation." into nyc-dev

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2016 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.

-->

<TextView

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingTop="30dp"

    android:gravity="center"

    android:textAppearance="@android:style/TextAppearance.Material.Subhead"

    android:textColor="@*android:color/primary_text_default_material_light">

</TextView>

    <string name="allow">Allow</string>

    <!-- Text in the button asking user to deny access to a given directory. -->

    <string name="deny">Deny</string>

    <!-- Dialog title shown to users when asking if they want to delete files (a confirmation). -->

    <string name="delete_confirmation_title">Delete files?</string>

    <!-- Dialog text shown to users when asking if they want to delete files (a confirmation). -->

    <plurals name="delete_confirmation_message">

        <item quantity="one">Are you sure you want to delete <xliff:g id="count" example="1">%1$d</xliff:g> file?</item>

        <item quantity="other">Are you sure you want to delete <xliff:g id="count" example="3">%1$d</xliff:g> files?</item>

        <item quantity="one">Delete <xliff:g id="count" example="1">%1$d</xliff:g> file?</item>

        <item quantity="other">Delete <xliff:g id="count" example="3">%1$d</xliff:g> files?</item>

    </plurals>

</resources>

    private GridLayoutManager mLayout;

    private int mColumnCount = 1;  // This will get updated when layout changes.

    private LayoutInflater mInflater;

    private MessageBar mMessageBar;

    private View mProgressBar;

    @Override

    public View onCreateView(

            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        mInflater = inflater;

        final View view = inflater.inflate(R.layout.fragment_directory, container, false);

        mMessageBar = MessageBar.create(getChildFragmentManager());

        mProgressBar = view.findViewById(R.id.progressbar);

        mEmptyView = view.findViewById(android.R.id.empty);

        mRecView = (RecyclerView) view.findViewById(R.id.dir_list);

        mRecView.setRecyclerListener(

                new RecyclerListener() {

        new GetDocumentsTask() {

            @Override

            void onDocumentsReady(final List<DocumentInfo> docs) {

                new AlertDialog.Builder(getActivity())

                    .setTitle(R.string.delete_confirmation_title)

                    .setMessage(

                TextView message =

                        (TextView) mInflater.inflate(R.layout.dialog_delete_confirmation, null);

                message.setText(

                        Shared.getQuantityString(

                                getActivity(),

                                R.plurals.delete_confirmation_message,

                                    docs.size()))

                                docs.size()));

                // This "insta-hides" files that are being deleted, because

                // the delete operation may be not execute immediately (it

                // may be queued up on the FileOperationService.)

                // To hide the files locally, we call the hide method on the adapter

                // ...which a live object...cannot be parceled.

                // For that reason, for now, we implement this dialog NOT

                // as a fragment (which can survive rotation and have its own state),

                // but as a simple runtime dialog. So rotating a device with an

                // active delete dialog...results in that dialog disappearing.

                // We can do better, but don't have cycles for it now.

                new AlertDialog.Builder(getActivity())

                    .setView(message)

                    .setPositiveButton(

                         android.R.string.yes,

                         new DialogInterface.OnClickListener() {

     */

    abstract public SparseArray<String> hide(String... ids);

    /**

     * Unhides a set of previously hidden items.

     *

     * @param ids A sparse array of IDs from a previous call to {@link #hide}.

     */

    abstract void unhide(SparseArray<String> ids);

    /**

     * Returns a class that yields the span size for a particular element. This is

     * primarily useful in {@link SectionBreakDocumentsAdapterWrapper} where

import android.database.Cursor;

import android.provider.DocumentsContract.Document;

import android.support.annotation.VisibleForTesting;

import android.util.Log;

import android.util.SparseArray;

import android.view.ViewGroup;

import com.android.documentsui.State;

import com.google.common.collect.Sets;

import java.util.ArrayList;

        return hiddenItems;

    }

    @VisibleForTesting

    @Override

    public void unhide(SparseArray<String> ids) {

        if (DEBUG) Log.d(TAG, "Unhiding ids: " + ids);

        // An ArrayList can shrink at runtime...and in fact

        // it does when we clear it completely.

        // This means we can't call add(pos, id) without

        // first checking the list size.

        List<String> oldIds = mModelIds;

        mModelIds = new ArrayList<>(oldIds.size() + ids.size());

        mModelIds.addAll(oldIds);

        // Finally insert the unhidden items.

        for (int i = 0; i < ids.size(); i++) {

            int pos = ids.keyAt(i);

            String id = ids.get(pos);

            mHiddenIds.remove(id);

            mModelIds.add(pos, id);

            notifyItemInserted(pos);

        }

    }

    @Override

    public List<String> getModelIds() {

        return mModelIds;