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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.musicfx;
     18 
     19 import com.android.internal.app.AlertActivity;
     20 import com.android.internal.app.AlertController;
     21 import com.android.internal.app.AlertController.AlertParams.OnPrepareListViewListener;
     22 import com.android.musicfx.Compatibility.Service;
     23 
     24 import android.content.DialogInterface;
     25 import android.content.DialogInterface.OnClickListener;
     26 import android.content.Intent;
     27 import android.content.SharedPreferences;
     28 import android.content.pm.PackageManager;
     29 import android.content.pm.ResolveInfo;
     30 import android.database.Cursor;
     31 import android.database.MatrixCursor;
     32 import android.media.audiofx.AudioEffect;
     33 import android.os.Bundle;
     34 import android.util.Log;
     35 import android.view.View;
     36 import android.widget.AdapterView;
     37 import android.widget.AdapterView.OnItemSelectedListener;
     38 import android.widget.ListView;
     39 
     40 import java.util.List;
     41 
     42 /**
     43  * shows a dialog that lets the user switch between control panels
     44  */
     45 public class ControlPanelPicker extends AlertActivity implements OnClickListener, OnPrepareListViewListener {
     46 
     47 
     48 
     49     @Override
     50     public void onCreate(final Bundle savedInstanceState) {
     51         super.onCreate(savedInstanceState);
     52 
     53         String [] cols = new String [] { "_id", "title", "package", "name" };
     54         MatrixCursor c = new MatrixCursor(cols);
     55 
     56         PackageManager pmgr = getPackageManager();
     57         Intent i = new Intent(AudioEffect.ACTION_DISPLAY_AUDIO_EFFECT_CONTROL_PANEL);
     58         List<ResolveInfo> ris = pmgr.queryIntentActivities(i, PackageManager.GET_DISABLED_COMPONENTS);
     59         SharedPreferences pref = getSharedPreferences("musicfx", MODE_PRIVATE);
     60         String savedDefPackage = pref.getString("defaultpanelpackage", null);
     61         String savedDefName = pref.getString("defaultpanelname", null);
     62         int cnt = -1;
     63         int defpanelidx = 0;
     64         for (ResolveInfo foo: ris) {
     65             if (foo.activityInfo.name.equals(Compatibility.Redirector.class.getName())) {
     66                 continue;
     67             }
     68             CharSequence name = pmgr.getApplicationLabel(foo.activityInfo.applicationInfo);
     69             c.addRow(new Object [] { 0, name, foo.activityInfo.packageName, foo.activityInfo.name });
     70             cnt += 1;
     71             if (foo.activityInfo.name.equals(savedDefName) &&
     72                     foo.activityInfo.packageName.equals(savedDefPackage) &&
     73                     foo.activityInfo.enabled) {
     74                 // mark as default in the list
     75                 defpanelidx = cnt;
     76             }
     77         }
     78 
     79         final AlertController.AlertParams p = mAlertParams;
     80         p.mCursor = c;
     81         p.mOnClickListener = mItemClickListener;
     82         p.mLabelColumn = "title";
     83         p.mIsSingleChoice = true;
     84         p.mPositiveButtonText = getString(com.android.internal.R.string.ok);
     85         p.mPositiveButtonListener = this;
     86         p.mNegativeButtonText = getString(com.android.internal.R.string.cancel);
     87         p.mOnPrepareListViewListener = this;
     88         p.mTitle = getString(R.string.picker_title);
     89         p.mCheckedItem = defpanelidx;
     90 
     91         setupAlert();
     92     }
     93 
     94     private DialogInterface.OnClickListener mItemClickListener =
     95         new DialogInterface.OnClickListener() {
     96 
     97         public void onClick(DialogInterface dialog, int which) {
     98             // Save the position of most recently clicked item
     99             mAlertParams.mCheckedItem = which;
    100         }
    101 
    102     };
    103 
    104     @Override
    105     public void onClick(DialogInterface dialog, int which) {
    106         if (which == DialogInterface.BUTTON_POSITIVE) {
    107             // set new default
    108             Intent updateIntent = new Intent(this, Service.class);
    109             Cursor c = mAlertParams.mCursor;
    110             c.moveToPosition(mAlertParams.mCheckedItem);
    111             updateIntent.putExtra("defPackage", c.getString(2));
    112             updateIntent.putExtra("defName", c.getString(3));
    113             startService(updateIntent);
    114         }
    115     }
    116 
    117     @Override
    118     public void onPrepareListView(ListView listView) {
    119         //mAlertParams.mCheckedItem = mDefPanelPos;
    120     }
    121 }
    122