1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/home/HomePanelPicker.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,257 @@
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 android.app.Activity;
1.12 +import android.content.Context;
1.13 +import android.os.Bundle;
1.14 +import android.support.v4.app.FragmentActivity;
1.15 +import android.support.v4.app.LoaderManager;
1.16 +import android.support.v4.app.LoaderManager.LoaderCallbacks;
1.17 +import android.support.v4.content.Loader;
1.18 +import android.view.LayoutInflater;
1.19 +import android.view.View;
1.20 +import android.view.View.OnClickListener;
1.21 +import android.view.ViewGroup;
1.22 +import android.widget.BaseAdapter;
1.23 +import android.widget.ListView;
1.24 +import android.widget.TextView;
1.25 +import android.widget.Toast;
1.26 +
1.27 +import java.util.ArrayList;
1.28 +import java.util.Arrays;
1.29 +import java.util.List;
1.30 +
1.31 +import org.mozilla.gecko.R;
1.32 +import org.mozilla.gecko.home.HomeConfig;
1.33 +import org.mozilla.gecko.home.HomeConfig.PanelConfig;
1.34 +import org.mozilla.gecko.home.PanelInfoManager.RequestCallback;
1.35 +import org.mozilla.gecko.home.PanelInfoManager.PanelInfo;
1.36 +
1.37 +/**
1.38 + * Dialog for selecting new home panels to add.
1.39 + */
1.40 +public class HomePanelPicker extends FragmentActivity {
1.41 + private static final String LOGTAG = "HomePanelPicker";
1.42 +
1.43 + /**
1.44 + * Intent extra key for caller to pass in a list of existing panel ids.
1.45 + */
1.46 + public static final String CURRENT_PANELS_IDS = "currentPanelsIds";
1.47 +
1.48 + /**
1.49 + * Request code when starting the activity with startActivityForResult.
1.50 + */
1.51 + public static final int REQUEST_CODE_ADD_PANEL = 1;
1.52 +
1.53 + private static final int LOADER_ID_CONFIG = 0;
1.54 +
1.55 + private ListView mListView;
1.56 + private List<String> mCurrentPanelsIds;
1.57 + private List<PanelInfo> mPanelInfos;
1.58 +
1.59 + @Override
1.60 + public void onCreate(Bundle savedInstance) {
1.61 + super.onCreate(savedInstance);
1.62 + setContentView(R.layout.home_panel_picker);
1.63 +
1.64 + // Fetch current panel ids from extras bundle, if provided by caller.
1.65 + Bundle intentExtras = getIntent().getExtras();
1.66 + if (intentExtras != null) {
1.67 + String[] panelIdsArray = intentExtras.getStringArray(CURRENT_PANELS_IDS);
1.68 + if (panelIdsArray != null) {
1.69 + mCurrentPanelsIds = Arrays.asList(panelIdsArray);
1.70 + }
1.71 + }
1.72 +
1.73 + mListView = (ListView) findViewById(R.id.list);
1.74 +
1.75 + // Set an empty adapter.
1.76 + final PickerAdapter adapter = new PickerAdapter(this);
1.77 + mListView.setAdapter(adapter);
1.78 +
1.79 + requestAvailablePanels();
1.80 + }
1.81 +
1.82 + /**
1.83 + * Get panels and update the adapter to display the ones
1.84 + * available for install.
1.85 + */
1.86 + private void requestAvailablePanels() {
1.87 + final PanelInfoManager pm = new PanelInfoManager();
1.88 + pm.requestAvailablePanels(new RequestCallback() {
1.89 + @Override
1.90 + public void onComplete(final List<PanelInfo> panelInfos) {
1.91 + mPanelInfos = panelInfos;
1.92 +
1.93 + // Fetch current home panels if necessary.
1.94 + if (mCurrentPanelsIds == null) {
1.95 + loadConfig();
1.96 + } else {
1.97 + updatePanelsAdapter(mPanelInfos);
1.98 + }
1.99 + }
1.100 + });
1.101 + }
1.102 +
1.103 + /**
1.104 + * Fetch panels from HomeConfig.
1.105 + *
1.106 + * This is an async call using Loaders.
1.107 + */
1.108 + private void loadConfig() {
1.109 + final ConfigLoaderCallbacks loaderCallbacks = new ConfigLoaderCallbacks();
1.110 + final LoaderManager lm = HomePanelPicker.this.getSupportLoaderManager();
1.111 + lm.initLoader(LOADER_ID_CONFIG, null, loaderCallbacks);
1.112 + }
1.113 +
1.114 + /**
1.115 + * Update the list adapter to contain only available panels (with the
1.116 + * installed panels filtered out).
1.117 + *
1.118 + * @param panelInfos List of all available panels.
1.119 + */
1.120 + private void updatePanelsAdapter(List<PanelInfo> panelInfos) {
1.121 + final List<PanelInfo> availablePanels = new ArrayList<PanelInfo>();
1.122 +
1.123 + // Filter out panels that are already displayed.
1.124 + for (PanelInfo panelInfo : panelInfos) {
1.125 + if (!mCurrentPanelsIds.contains(panelInfo.getId())) {
1.126 + availablePanels.add(panelInfo);
1.127 + }
1.128 + }
1.129 +
1.130 + if (availablePanels.isEmpty()) {
1.131 + setContentView(R.layout.home_panel_picker_empty);
1.132 + return;
1.133 + }
1.134 +
1.135 + final PickerAdapter adapter = (PickerAdapter) mListView.getAdapter();
1.136 + adapter.updateFromPanelInfos(availablePanels);
1.137 + }
1.138 +
1.139 + private void installNewPanelAndQuit(PanelInfo panelInfo) {
1.140 + final PanelConfig newPanelConfig = panelInfo.toPanelConfig();
1.141 + HomePanelsManager.getInstance().installPanel(newPanelConfig);
1.142 + showToastForNewPanel(newPanelConfig);
1.143 +
1.144 + setResult(Activity.RESULT_OK);
1.145 + finish();
1.146 + }
1.147 +
1.148 + private void showToastForNewPanel(PanelConfig panelConfig) {
1.149 + String panelName = panelConfig.getTitle();
1.150 +
1.151 + // Display toast.
1.152 + final String successMsg = getResources().getString(R.string.home_add_panel_installed, panelName);
1.153 + Toast.makeText(this, successMsg, Toast.LENGTH_SHORT).show();
1.154 + }
1.155 +
1.156 + // ViewHolder for rows of the panel picker.
1.157 + private static class PanelRow {
1.158 + final TextView title;
1.159 + int position;
1.160 +
1.161 + public PanelRow(View view) {
1.162 + title = (TextView) view.findViewById(R.id.title);
1.163 + }
1.164 + }
1.165 +
1.166 + private class PickerAdapter extends BaseAdapter {
1.167 + private final LayoutInflater mInflater;
1.168 + private List<PanelInfo> mPanelInfos;
1.169 + private final OnClickListener mOnClickListener;
1.170 +
1.171 + public PickerAdapter(Context context) {
1.172 + this(context, null);
1.173 + }
1.174 +
1.175 + public PickerAdapter(Context context, List<PanelInfo> panelInfos) {
1.176 + mInflater = LayoutInflater.from(context);
1.177 + mPanelInfos = panelInfos;
1.178 +
1.179 + mOnClickListener = new OnClickListener() {
1.180 + @Override
1.181 + public void onClick(View view) {
1.182 + final PanelRow panelsRow = (PanelRow) view.getTag();
1.183 + installNewPanelAndQuit(mPanelInfos.get(panelsRow.position));
1.184 + }
1.185 + };
1.186 + }
1.187 +
1.188 + @Override
1.189 + public int getCount() {
1.190 + if (mPanelInfos == null) {
1.191 + return 0;
1.192 + }
1.193 +
1.194 + return mPanelInfos.size();
1.195 + }
1.196 +
1.197 + @Override
1.198 + public PanelInfo getItem(int position) {
1.199 + if (mPanelInfos == null) {
1.200 + return null;
1.201 + }
1.202 +
1.203 + return mPanelInfos.get(position);
1.204 + }
1.205 +
1.206 + @Override
1.207 + public long getItemId(int position) {
1.208 + return position;
1.209 + }
1.210 +
1.211 + @Override
1.212 + public View getView(int position, View convertView, ViewGroup parent) {
1.213 + PanelRow row;
1.214 +
1.215 + if (convertView == null) {
1.216 + convertView = mInflater.inflate(R.layout.home_panel_picker_row, null);
1.217 + convertView.setOnClickListener(mOnClickListener);
1.218 +
1.219 + row = new PanelRow(convertView);
1.220 + convertView.setTag(row);
1.221 + } else {
1.222 + row = (PanelRow) convertView.getTag();
1.223 + }
1.224 +
1.225 + row.title.setText(mPanelInfos.get(position).getTitle());
1.226 + row.position = position;
1.227 +
1.228 + return convertView;
1.229 + }
1.230 +
1.231 + public void updateFromPanelInfos(List<PanelInfo> panelInfos) {
1.232 + mPanelInfos = panelInfos;
1.233 + notifyDataSetChanged();
1.234 + }
1.235 + }
1.236 +
1.237 + /**
1.238 + * Fetch installed Home panels and update the adapter for this activity.
1.239 + */
1.240 + private class ConfigLoaderCallbacks implements LoaderCallbacks<HomeConfig.State> {
1.241 + @Override
1.242 + public Loader<HomeConfig.State> onCreateLoader(int id, Bundle args) {
1.243 + final HomeConfig homeConfig = HomeConfig.getDefault(HomePanelPicker.this);
1.244 + return new HomeConfigLoader(HomePanelPicker.this, homeConfig);
1.245 + }
1.246 +
1.247 + @Override
1.248 + public void onLoadFinished(Loader<HomeConfig.State> loader, HomeConfig.State configState) {
1.249 + mCurrentPanelsIds = new ArrayList<String>();
1.250 + for (PanelConfig panelConfig : configState) {
1.251 + mCurrentPanelsIds.add(panelConfig.getId());
1.252 + }
1.253 +
1.254 + updatePanelsAdapter(mPanelInfos);
1.255 + }
1.256 +
1.257 + @Override
1.258 + public void onLoaderReset(Loader<HomeConfig.State> loader) {}
1.259 + }
1.260 +}
