1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/home/PinSiteDialog.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,238 @@
1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +package org.mozilla.gecko.home;
1.10 +
1.11 +import org.mozilla.gecko.R;
1.12 +import org.mozilla.gecko.db.BrowserDB.URLColumns;
1.13 +
1.14 +import android.content.Context;
1.15 +import android.database.Cursor;
1.16 +import android.os.Bundle;
1.17 +import android.support.v4.app.DialogFragment;
1.18 +import android.support.v4.app.LoaderManager;
1.19 +import android.support.v4.app.LoaderManager.LoaderCallbacks;
1.20 +import android.support.v4.content.Loader;
1.21 +import android.support.v4.widget.CursorAdapter;
1.22 +import android.text.Editable;
1.23 +import android.text.TextUtils;
1.24 +import android.text.TextWatcher;
1.25 +import android.view.KeyEvent;
1.26 +import android.view.LayoutInflater;
1.27 +import android.view.View;
1.28 +import android.view.ViewGroup;
1.29 +import android.view.WindowManager;
1.30 +import android.widget.AdapterView;
1.31 +import android.widget.EditText;
1.32 +import android.widget.ListView;
1.33 +
1.34 +/**
1.35 + * Dialog fragment that displays frecency search results, for pinning a site, in a GridView.
1.36 + */
1.37 +class PinSiteDialog extends DialogFragment {
1.38 + // Listener for url selection
1.39 + public static interface OnSiteSelectedListener {
1.40 + public void onSiteSelected(String url, String title);
1.41 + }
1.42 +
1.43 + // Cursor loader ID for search query
1.44 + private static final int LOADER_ID_SEARCH = 0;
1.45 +
1.46 + // Holds the current search term to use in the query
1.47 + private String mSearchTerm;
1.48 +
1.49 + // Adapter for the list of search results
1.50 + private SearchAdapter mAdapter;
1.51 +
1.52 + // Search entry
1.53 + private EditText mSearch;
1.54 +
1.55 + // Search results
1.56 + private ListView mList;
1.57 +
1.58 + // Callbacks used for the search loader
1.59 + private CursorLoaderCallbacks mLoaderCallbacks;
1.60 +
1.61 + // Bookmark selected listener
1.62 + private OnSiteSelectedListener mOnSiteSelectedListener;
1.63 +
1.64 + public static PinSiteDialog newInstance() {
1.65 + return new PinSiteDialog();
1.66 + }
1.67 +
1.68 + private PinSiteDialog() {
1.69 + }
1.70 +
1.71 + @Override
1.72 + public void onCreate(Bundle savedInstanceState) {
1.73 + super.onCreate(savedInstanceState);
1.74 +
1.75 + setStyle(DialogFragment.STYLE_NO_TITLE, android.R.style.Theme_Holo_Light_Dialog);
1.76 + }
1.77 +
1.78 + @Override
1.79 + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1.80 + // All list views are styled to look the same with a global activity theme.
1.81 + // If the style of the list changes, inflate it from an XML.
1.82 + return inflater.inflate(R.layout.pin_site_dialog, container, false);
1.83 + }
1.84 +
1.85 + @Override
1.86 + public void onViewCreated(View view, Bundle savedInstanceState) {
1.87 + super.onViewCreated(view, savedInstanceState);
1.88 +
1.89 + mSearch = (EditText) view.findViewById(R.id.search);
1.90 + mSearch.addTextChangedListener(new TextWatcher() {
1.91 + @Override
1.92 + public void afterTextChanged(Editable s) {
1.93 + }
1.94 +
1.95 + @Override
1.96 + public void beforeTextChanged(CharSequence s, int start, int count, int after) {
1.97 + }
1.98 +
1.99 + @Override
1.100 + public void onTextChanged(CharSequence s, int start, int before, int count) {
1.101 + setSearchTerm(mSearch.getText().toString());
1.102 + filter(mSearchTerm);
1.103 + }
1.104 + });
1.105 +
1.106 + mSearch.setOnKeyListener(new View.OnKeyListener() {
1.107 + @Override
1.108 + public boolean onKey(View v, int keyCode, KeyEvent event) {
1.109 + if (keyCode != KeyEvent.KEYCODE_ENTER || mOnSiteSelectedListener == null) {
1.110 + return false;
1.111 + }
1.112 +
1.113 + // If the user manually entered a search term or URL, wrap the value in
1.114 + // a special URI until we can get a valid URL for this bookmark.
1.115 + final String text = mSearch.getText().toString().trim();
1.116 + if (!TextUtils.isEmpty(text)) {
1.117 + final String url = TopSitesPanel.encodeUserEnteredUrl(text);
1.118 + mOnSiteSelectedListener.onSiteSelected(url, text);
1.119 + dismiss();
1.120 + }
1.121 +
1.122 + return true;
1.123 + }
1.124 + });
1.125 +
1.126 + mSearch.setOnFocusChangeListener(new View.OnFocusChangeListener() {
1.127 + @Override
1.128 + public void onFocusChange(View v, boolean hasFocus) {
1.129 + if (hasFocus) {
1.130 + getDialog().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
1.131 + }
1.132 + }
1.133 + });
1.134 +
1.135 + mList = (HomeListView) view.findViewById(R.id.list);
1.136 + mList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
1.137 + @Override
1.138 + public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
1.139 + if (mOnSiteSelectedListener != null) {
1.140 + final Cursor c = mAdapter.getCursor();
1.141 + if (c == null || !c.moveToPosition(position)) {
1.142 + return;
1.143 + }
1.144 +
1.145 + final String url = c.getString(c.getColumnIndexOrThrow(URLColumns.URL));
1.146 + final String title = c.getString(c.getColumnIndexOrThrow(URLColumns.TITLE));
1.147 + mOnSiteSelectedListener.onSiteSelected(url, title);
1.148 + }
1.149 +
1.150 + // Dismiss the fragment and the dialog.
1.151 + dismiss();
1.152 + }
1.153 + });
1.154 + }
1.155 +
1.156 + @Override
1.157 + public void onActivityCreated(Bundle savedInstanceState) {
1.158 + super.onActivityCreated(savedInstanceState);
1.159 +
1.160 + final LoaderManager manager = getLoaderManager();
1.161 +
1.162 + // Initialize the search adapter
1.163 + mAdapter = new SearchAdapter(getActivity());
1.164 + mList.setAdapter(mAdapter);
1.165 +
1.166 + // Create callbacks before the initial loader is started
1.167 + mLoaderCallbacks = new CursorLoaderCallbacks();
1.168 +
1.169 + // Reconnect to the loader only if present
1.170 + manager.initLoader(LOADER_ID_SEARCH, null, mLoaderCallbacks);
1.171 +
1.172 + // If there is a search term, put it in the text field
1.173 + if (!TextUtils.isEmpty(mSearchTerm)) {
1.174 + mSearch.setText(mSearchTerm);
1.175 + mSearch.selectAll();
1.176 + }
1.177 +
1.178 + // Always start with an empty filter
1.179 + filter("");
1.180 + }
1.181 +
1.182 + @Override
1.183 + public void onDestroyView() {
1.184 + super.onDestroyView();
1.185 +
1.186 + // Discard any additional site selection as the dialog
1.187 + // is getting destroyed (see bug 935542).
1.188 + setOnSiteSelectedListener(null);
1.189 + }
1.190 +
1.191 + public void setSearchTerm(String searchTerm) {
1.192 + mSearchTerm = searchTerm;
1.193 + }
1.194 +
1.195 + private void filter(String searchTerm) {
1.196 + // Restart loaders with the new search term
1.197 + SearchLoader.restart(getLoaderManager(), LOADER_ID_SEARCH, mLoaderCallbacks, searchTerm);
1.198 + }
1.199 +
1.200 + public void setOnSiteSelectedListener(OnSiteSelectedListener listener) {
1.201 + mOnSiteSelectedListener = listener;
1.202 + }
1.203 +
1.204 + private static class SearchAdapter extends CursorAdapter {
1.205 + private LayoutInflater mInflater;
1.206 +
1.207 + public SearchAdapter(Context context) {
1.208 + super(context, null, 0);
1.209 + mInflater = LayoutInflater.from(context);
1.210 + }
1.211 +
1.212 + @Override
1.213 + public void bindView(View view, Context context, Cursor cursor) {
1.214 + TwoLinePageRow row = (TwoLinePageRow) view;
1.215 + row.setShowIcons(false);
1.216 + row.updateFromCursor(cursor);
1.217 + }
1.218 +
1.219 + @Override
1.220 + public View newView(Context context, Cursor cursor, ViewGroup parent) {
1.221 + return (TwoLinePageRow) mInflater.inflate(R.layout.home_item_row, parent, false);
1.222 + }
1.223 + }
1.224 +
1.225 + private class CursorLoaderCallbacks implements LoaderCallbacks<Cursor> {
1.226 + @Override
1.227 + public Loader<Cursor> onCreateLoader(int id, Bundle args) {
1.228 + return SearchLoader.createInstance(getActivity(), args);
1.229 + }
1.230 +
1.231 + @Override
1.232 + public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
1.233 + mAdapter.swapCursor(c);
1.234 + }
1.235 +
1.236 + @Override
1.237 + public void onLoaderReset(Loader<Cursor> loader) {
1.238 + mAdapter.swapCursor(null);
1.239 + }
1.240 + }
1.241 +}
