src/com/android/dialer/list/RegularSearchFragment.java

/*
 * 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.dialer.list;

import static android.Manifest.permission.READ_CONTACTS;

import android.app.Activity;
import android.content.pm.PackageManager;
import android.support.v13.app.FragmentCompat;
import android.view.LayoutInflater;
import android.view.ViewGroup;

import com.android.contacts.common.list.ContactEntryListAdapter;
import com.android.contacts.common.list.PinnedHeaderListView;
import com.android.contacts.common.util.PermissionsUtil;
import com.android.contacts.commonbind.analytics.AnalyticsUtil;
import com.android.dialerbind.ObjectFactory;
import com.android.incallui.Call.LogState;

import com.android.dialer.R;
import com.android.dialer.logging.Logger;
import com.android.dialer.logging.ScreenEvent;
import com.android.dialer.service.CachedNumberLookupService;
import com.android.dialer.widget.EmptyContentView;
import com.android.dialer.widget.EmptyContentView.OnEmptyViewActionButtonClickedListener;

public class RegularSearchFragment extends SearchFragment
        implements OnEmptyViewActionButtonClickedListener,
        FragmentCompat.OnRequestPermissionsResultCallback {

    public static final int PERMISSION_REQUEST_CODE = 1;

    private static final int SEARCH_DIRECTORY_RESULT_LIMIT = 5;

    private static final CachedNumberLookupService mCachedNumberLookupService =
        ObjectFactory.newCachedNumberLookupService();

    public interface CapabilityChecker {
        public boolean isNearbyPlacesSearchEnabled();
    }

    protected String mPermissionToRequest;

    public RegularSearchFragment() {
        configureDirectorySearch();
    }

    public void configureDirectorySearch() {
        setDirectorySearchEnabled(true);
        setDirectoryResultLimit(SEARCH_DIRECTORY_RESULT_LIMIT);
    }

    @Override
    protected void onCreateView(LayoutInflater inflater, ViewGroup container) {
        super.onCreateView(inflater, container);
        ((PinnedHeaderListView) getListView()).setScrollToSectionOnHeaderTouch(true);
    }

    @Override
    protected ContactEntryListAdapter createListAdapter() {
        RegularSearchListAdapter adapter = new RegularSearchListAdapter(getActivity());
        adapter.setDisplayPhotos(true);
        adapter.setUseCallableUri(usesCallableUri());
        adapter.setListener(this);
        return adapter;
    }

    @Override
    protected void cacheContactInfo(int position) {
        if (mCachedNumberLookupService != null) {
            final RegularSearchListAdapter adapter =
                (RegularSearchListAdapter) getAdapter();
            mCachedNumberLookupService.addContact(getContext(),
                    adapter.getContactInfo(mCachedNumberLookupService, position));
        }
    }

    @Override
    protected void setupEmptyView() {
        if (mEmptyView != null && getActivity() != null) {
            final int imageResource;
            final int actionLabelResource;
            final int descriptionResource;
            final OnEmptyViewActionButtonClickedListener listener;
            if (!PermissionsUtil.hasPermission(getActivity(), READ_CONTACTS)) {
                imageResource = R.drawable.empty_contacts;
                actionLabelResource = R.string.permission_single_turn_on;
                descriptionResource = R.string.permission_no_search;
                listener = this;
                mPermissionToRequest = READ_CONTACTS;
            } else {
                imageResource = EmptyContentView.NO_IMAGE;
                actionLabelResource = EmptyContentView.NO_LABEL;
                descriptionResource = EmptyContentView.NO_LABEL;
                listener = null;
                mPermissionToRequest = null;
            }

            mEmptyView.setImage(imageResource);
            mEmptyView.setActionLabel(actionLabelResource);
            mEmptyView.setDescription(descriptionResource);
            if (listener != null) {
                mEmptyView.setActionClickedListener(listener);
            }
        }
    }

    @Override
    public void onEmptyViewActionButtonClicked() {
        final Activity activity = getActivity();
        if (activity == null) {
            return;
        }

        if (READ_CONTACTS.equals(mPermissionToRequest)) {
          FragmentCompat.requestPermissions(this, new String[] {mPermissionToRequest},
              PERMISSION_REQUEST_CODE);
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions,
            int[] grantResults) {
        if (requestCode == PERMISSION_REQUEST_CODE) {
            setupEmptyView();
            if (grantResults != null && grantResults.length == 1
                    && PackageManager.PERMISSION_GRANTED == grantResults[0]) {
                PermissionsUtil.notifyPermissionGranted(getActivity(), mPermissionToRequest);
            }
        }
    }

    @Override
    protected int getCallInitiationType(boolean isRemoteDirectory) {
        return isRemoteDirectory ? LogState.INITIATION_REMOTE_DIRECTORY
                : LogState.INITIATION_REGULAR_SEARCH;
    }
}