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1 /*
2  * Copyright (C) 2009 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 package android.accounts;
17 
18 import android.app.Activity;
19 import android.content.Context;
20 import android.content.pm.PackageManager;
21 import android.content.res.Resources;
22 import android.graphics.drawable.Drawable;
23 import android.os.Bundle;
24 import android.os.Parcelable;
25 import android.os.Process;
26 import android.os.UserHandle;
27 import android.util.Log;
28 import android.view.LayoutInflater;
29 import android.view.View;
30 import android.view.ViewGroup;
31 import android.widget.AdapterView;
32 import android.widget.ArrayAdapter;
33 import android.widget.ImageView;
34 import android.widget.ListView;
35 import android.widget.TextView;
36 
37 import com.android.internal.R;
38 
39 import java.util.HashMap;
40 
41 /**
42  * @hide
43  */
44 public class ChooseAccountActivity extends Activity {
45 
46     private static final String TAG = "AccountManager";
47 
48     private Parcelable[] mAccounts = null;
49     private AccountManagerResponse mAccountManagerResponse = null;
50     private Bundle mResult;
51     private int mCallingUid;
52     private String mCallingPackage;
53 
54     private HashMap<String, AuthenticatorDescription> mTypeToAuthDescription
55             = new HashMap<String, AuthenticatorDescription>();
56 
57     @Override
onCreate(Bundle savedInstanceState)58     public void onCreate(Bundle savedInstanceState) {
59         super.onCreate(savedInstanceState);
60         getWindow().addSystemFlags(
61                 android.view.WindowManager.LayoutParams
62                         .SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
63         mAccounts = getIntent().getParcelableArrayExtra(AccountManager.KEY_ACCOUNTS);
64         mAccountManagerResponse =
65                 getIntent().getParcelableExtra(AccountManager.KEY_ACCOUNT_MANAGER_RESPONSE);
66 
67         // KEY_ACCOUNTS is a required parameter
68         if (mAccounts == null) {
69             setResult(RESULT_CANCELED);
70             finish();
71             return;
72         }
73 
74         mCallingUid = getLaunchedFromUid();
75         mCallingPackage = getLaunchedFromPackage();
76 
77         if (UserHandle.isSameApp(mCallingUid, Process.SYSTEM_UID) &&
78             getIntent().getStringExtra(AccountManager.KEY_ANDROID_PACKAGE_NAME) != null) {
79             mCallingPackage = getIntent().getStringExtra(
80                 AccountManager.KEY_ANDROID_PACKAGE_NAME);
81         }
82 
83         if (!UserHandle.isSameApp(mCallingUid, Process.SYSTEM_UID) &&
84                 getIntent().getStringExtra(AccountManager.KEY_ANDROID_PACKAGE_NAME) != null) {
85             Log.w(getClass().getSimpleName(),
86                 "Non-system Uid: " + mCallingUid + " tried to override packageName \n");
87         }
88 
89         getAuthDescriptions();
90 
91         AccountInfo[] mAccountInfos = new AccountInfo[mAccounts.length];
92         for (int i = 0; i < mAccounts.length; i++) {
93             mAccountInfos[i] = new AccountInfo(((Account) mAccounts[i]).name,
94                     getDrawableForType(((Account) mAccounts[i]).type));
95         }
96 
97         setContentView(R.layout.choose_account);
98 
99         // Setup the list
100         ListView list = findViewById(android.R.id.list);
101         // Use an existing ListAdapter that will map an array of strings to TextViews
102         list.setAdapter(new AccountArrayAdapter(this,
103                 android.R.layout.simple_list_item_1, mAccountInfos));
104         list.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
105         list.setTextFilterEnabled(true);
106         list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
107             public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
108                 onListItemClick((ListView)parent, v, position, id);
109             }
110         });
111     }
112 
getAuthDescriptions()113     private void getAuthDescriptions() {
114         for(AuthenticatorDescription desc : AccountManager.get(this).getAuthenticatorTypes()) {
115             mTypeToAuthDescription.put(desc.type, desc);
116         }
117     }
118 
getDrawableForType(String accountType)119     private Drawable getDrawableForType(String accountType) {
120         Drawable icon = null;
121         if(mTypeToAuthDescription.containsKey(accountType)) {
122             try {
123                 AuthenticatorDescription desc = mTypeToAuthDescription.get(accountType);
124                 Context authContext = createPackageContext(desc.packageName, 0);
125                 icon = authContext.getDrawable(desc.iconId);
126             } catch (PackageManager.NameNotFoundException e) {
127                 // Nothing we can do much here, just log
128                 if (Log.isLoggable(TAG, Log.WARN)) {
129                     Log.w(TAG, "No icon name for account type " + accountType);
130                 }
131             } catch (Resources.NotFoundException e) {
132                 // Nothing we can do much here, just log
133                 if (Log.isLoggable(TAG, Log.WARN)) {
134                     Log.w(TAG, "No icon resource for account type " + accountType);
135                 }
136             }
137         }
138         return icon;
139     }
140 
onListItemClick(ListView l, View v, int position, long id)141     protected void onListItemClick(ListView l, View v, int position, long id) {
142         Account account = (Account) mAccounts[position];
143         // Mark account as visible since user chose it.
144         AccountManager am = AccountManager.get(this);
145         Integer oldVisibility = am.getAccountVisibility(account, mCallingPackage);
146         if (oldVisibility != null
147                 && oldVisibility == AccountManager.VISIBILITY_USER_MANAGED_NOT_VISIBLE) {
148             am.setAccountVisibility(account, mCallingPackage,
149                 AccountManager.VISIBILITY_USER_MANAGED_VISIBLE);
150         }
151         Log.d(TAG, "selected account " + account);
152         Bundle bundle = new Bundle();
153         bundle.putString(AccountManager.KEY_ACCOUNT_NAME, account.name);
154         bundle.putString(AccountManager.KEY_ACCOUNT_TYPE, account.type);
155         mResult = bundle;
156         finish();
157     }
158 
finish()159     public void finish() {
160         if (mAccountManagerResponse != null) {
161             if (mResult != null) {
162                 mAccountManagerResponse.onResult(mResult);
163             } else {
164                 mAccountManagerResponse.onError(AccountManager.ERROR_CODE_CANCELED, "canceled");
165             }
166         }
167         super.finish();
168     }
169 
170     private static class AccountInfo {
171         final String name;
172         final Drawable drawable;
173 
AccountInfo(String name, Drawable drawable)174         AccountInfo(String name, Drawable drawable) {
175             this.name = name;
176             this.drawable = drawable;
177         }
178     }
179 
180     private static class ViewHolder {
181         ImageView icon;
182         TextView text;
183     }
184 
185     private static class AccountArrayAdapter extends ArrayAdapter<AccountInfo> {
186         private LayoutInflater mLayoutInflater;
187         private AccountInfo[] mInfos;
188 
AccountArrayAdapter(Context context, int textViewResourceId, AccountInfo[] infos)189         public AccountArrayAdapter(Context context, int textViewResourceId, AccountInfo[] infos) {
190             super(context, textViewResourceId, infos);
191             mInfos = infos;
192             mLayoutInflater = (LayoutInflater) context.getSystemService(
193                     Context.LAYOUT_INFLATER_SERVICE);
194         }
195 
196         @Override
getView(int position, View convertView, ViewGroup parent)197         public View getView(int position, View convertView, ViewGroup parent) {
198             ViewHolder holder;
199 
200             if (convertView == null) {
201                 convertView = mLayoutInflater.inflate(R.layout.choose_account_row, null);
202                 holder = new ViewHolder();
203                 holder.text = (TextView) convertView.findViewById(R.id.account_row_text);
204                 holder.icon = (ImageView) convertView.findViewById(R.id.account_row_icon);
205                 convertView.setTag(holder);
206             } else {
207                 holder = (ViewHolder) convertView.getTag();
208             }
209 
210             holder.text.setText(mInfos[position].name);
211             holder.icon.setImageDrawable(mInfos[position].drawable);
212 
213             return convertView;
214         }
215     }
216 }
217