The Tor Browser: mobile/android/base/home/HomePanelPicker.java@6474c204b198 (annotated)

mobile/android/base/home/HomePanelPicker.java@6474c204b198 (annotated)

mobile/android/base/home/HomePanelPicker.java

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.home;
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.app.LoaderManager.LoaderCallbacks;
 import android.support.v4.content.Loader;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import org.mozilla.gecko.R;
 import org.mozilla.gecko.home.HomeConfig;
 import org.mozilla.gecko.home.HomeConfig.PanelConfig;
 import org.mozilla.gecko.home.PanelInfoManager.RequestCallback;
 import org.mozilla.gecko.home.PanelInfoManager.PanelInfo;
 /**
  * Dialog for selecting new home panels to add.
  */
 public class HomePanelPicker extends FragmentActivity {
     private static final String LOGTAG = "HomePanelPicker";
     /**
      * Intent extra key for caller to pass in a list of existing panel ids.
      */
     public static final String CURRENT_PANELS_IDS = "currentPanelsIds";
     /**
      * Request code when starting the activity with startActivityForResult.
      */
     public static final int REQUEST_CODE_ADD_PANEL = 1;
     private static final int LOADER_ID_CONFIG = 0;
     private ListView mListView;
     private List<String> mCurrentPanelsIds;
     private List<PanelInfo> mPanelInfos;
     @Override
     public void onCreate(Bundle savedInstance) {
         super.onCreate(savedInstance);
         setContentView(R.layout.home_panel_picker);
         // Fetch current panel ids from extras bundle, if provided by caller.
         Bundle intentExtras = getIntent().getExtras();
         if (intentExtras != null) {
             String[] panelIdsArray = intentExtras.getStringArray(CURRENT_PANELS_IDS);
             if (panelIdsArray != null) {
                 mCurrentPanelsIds = Arrays.asList(panelIdsArray);
             }
         }
         mListView = (ListView) findViewById(R.id.list);
         // Set an empty adapter.
         final PickerAdapter adapter = new PickerAdapter(this);
         mListView.setAdapter(adapter);
         requestAvailablePanels();
     }
     /**
      * Get panels and update the adapter to display the ones
      * available for install.
      */
     private void requestAvailablePanels() {
         final PanelInfoManager pm = new PanelInfoManager();
         pm.requestAvailablePanels(new RequestCallback() {
             @Override
             public void onComplete(final List<PanelInfo> panelInfos) {
                 mPanelInfos = panelInfos;
                 // Fetch current home panels if necessary.
                 if (mCurrentPanelsIds == null) {
                     loadConfig();
                 } else {
                     updatePanelsAdapter(mPanelInfos);
                 }
             }
         });
     }
     /**
      * Fetch panels from HomeConfig.
      *
      * This is an async call using Loaders.
      */
     private void loadConfig() {
         final ConfigLoaderCallbacks loaderCallbacks = new ConfigLoaderCallbacks();
         final LoaderManager lm = HomePanelPicker.this.getSupportLoaderManager();
         lm.initLoader(LOADER_ID_CONFIG, null, loaderCallbacks);
     }
     /**
      * Update the list adapter to contain only available panels (with the
      * installed panels filtered out).
      *
      * @param panelInfos List of all available panels.
      */
     private void updatePanelsAdapter(List<PanelInfo> panelInfos) {
         final List<PanelInfo> availablePanels = new ArrayList<PanelInfo>();
         // Filter out panels that are already displayed.
         for (PanelInfo panelInfo : panelInfos) {
             if (!mCurrentPanelsIds.contains(panelInfo.getId())) {
                 availablePanels.add(panelInfo);
             }
         }
         if (availablePanels.isEmpty()) {
             setContentView(R.layout.home_panel_picker_empty);
             return;
         }
         final PickerAdapter adapter = (PickerAdapter) mListView.getAdapter();
         adapter.updateFromPanelInfos(availablePanels);
     }
     private void installNewPanelAndQuit(PanelInfo panelInfo) {
         final PanelConfig newPanelConfig = panelInfo.toPanelConfig();
         HomePanelsManager.getInstance().installPanel(newPanelConfig);
         showToastForNewPanel(newPanelConfig);
         setResult(Activity.RESULT_OK);
         finish();
     }
     private void showToastForNewPanel(PanelConfig panelConfig) {
         String panelName = panelConfig.getTitle();
         // Display toast.
         final String successMsg = getResources().getString(R.string.home_add_panel_installed, panelName);
         Toast.makeText(this, successMsg, Toast.LENGTH_SHORT).show();
     }
     // ViewHolder for rows of the panel picker.
     private static class PanelRow {
         final TextView title;
         int position;
         public PanelRow(View view) {
             title = (TextView) view.findViewById(R.id.title);
         }
     }
     private class PickerAdapter extends BaseAdapter {
         private final LayoutInflater mInflater;
         private List<PanelInfo> mPanelInfos;
         private final OnClickListener mOnClickListener;
         public PickerAdapter(Context context) {
             this(context, null);
         }
         public PickerAdapter(Context context, List<PanelInfo> panelInfos) {
             mInflater = LayoutInflater.from(context);
             mPanelInfos = panelInfos;
             mOnClickListener = new OnClickListener() {
                 @Override
                 public void onClick(View view) {
                     final PanelRow panelsRow = (PanelRow) view.getTag();
                     installNewPanelAndQuit(mPanelInfos.get(panelsRow.position));
                 }
             };
         }
         @Override
         public int getCount() {
             if (mPanelInfos == null) {
                 return 0;
             }
             return mPanelInfos.size();
         }
         @Override
         public PanelInfo getItem(int position) {
             if (mPanelInfos == null) {
                 return null;
             }
             return mPanelInfos.get(position);
         }
         @Override
         public long getItemId(int position) {
             return position;
         }
         @Override
         public View getView(int position, View convertView, ViewGroup parent) {
             PanelRow row;
             if (convertView == null) {
                 convertView = mInflater.inflate(R.layout.home_panel_picker_row, null);
                 convertView.setOnClickListener(mOnClickListener);
                 row = new PanelRow(convertView);
                 convertView.setTag(row);
             } else {
                 row = (PanelRow) convertView.getTag();
             }
             row.title.setText(mPanelInfos.get(position).getTitle());
             row.position = position;
             return convertView;
         }
         public void updateFromPanelInfos(List<PanelInfo> panelInfos) {
             mPanelInfos = panelInfos;
             notifyDataSetChanged();
         }
     }
     /**
      * Fetch installed Home panels and update the adapter for this activity.
      */
     private class ConfigLoaderCallbacks implements LoaderCallbacks<HomeConfig.State> {
         @Override
         public Loader<HomeConfig.State> onCreateLoader(int id, Bundle args) {
             final HomeConfig homeConfig = HomeConfig.getDefault(HomePanelPicker.this);
             return new HomeConfigLoader(HomePanelPicker.this, homeConfig);
         }
         @Override
         public void onLoadFinished(Loader<HomeConfig.State> loader, HomeConfig.State configState) {
             mCurrentPanelsIds = new ArrayList<String>();
             for (PanelConfig panelConfig : configState) {
                 mCurrentPanelsIds.add(panelConfig.getId());
             }
             updatePanelsAdapter(mPanelInfos);
         }
         @Override
         public void onLoaderReset(Loader<HomeConfig.State> loader) {}
     }
 }

The Tor Browser / annotate

mobile/android/base/home/HomePanelPicker.java@6474c204b198 (annotated)

mobile/android/base/home/HomePanelPicker.java