1 /*
2  * Copyright (C) 2012 Google Inc.
3  * Licensed to The Android Open Source Project.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 package com.android.mail.ui;
19 
20 import android.app.AlertDialog;
21 import android.app.Dialog;
22 import android.app.DialogFragment;
23 import android.content.DialogInterface.OnClickListener;
24 import android.os.Bundle;
25 import android.view.View;
26 import android.widget.AdapterView;
27 
28 import com.android.mail.R;
29 import com.android.mail.providers.Account;
30 import com.android.mail.providers.Conversation;
31 import com.android.mail.providers.Folder;
32 import com.android.mail.providers.UIProvider;
33 import com.android.mail.utils.LogTag;
34 
35 import java.util.Arrays;
36 import java.util.Collection;
37 
38 public abstract class FolderSelectionDialog extends DialogFragment implements OnClickListener {
39     protected static final String LOG_TAG = LogTag.getLogTag();
40 
41     private static final String ARG_FOLDER_TAG = "folder";
42     private static final String ARG_ACCOUNT_TAG = "account";
43     private static final String ARG_BATCH_TAG = "batch";
44     private static final String ARG_TARGET_TAG = "target";
45 
46     protected SeparatedFolderListAdapter mAdapter;
47     protected Collection<Conversation> mTarget;
48     // True for CAB mode
49     protected boolean mBatch;
50     protected Account mAccount;
51     protected Folder mCurrentFolder;
52     protected int mTitleId;
53 
getInstance(final Account account, final Collection<Conversation> target, final boolean isBatch, final Folder currentFolder, final boolean isMoveTo)54     public static FolderSelectionDialog getInstance(final Account account,
55             final Collection<Conversation> target, final boolean isBatch,
56             final Folder currentFolder, final boolean isMoveTo) {
57         /*
58          * TODO: This method should only be called with isMoveTo=true if this capability is not
59          * present on the account, so we should be able to remove the check here.
60          */
61         final FolderSelectionDialog f;
62         if (isMoveTo || !account.supportsCapability(
63                 UIProvider.AccountCapabilities.MULTIPLE_FOLDERS_PER_CONV)) {
64             f = new SingleFolderSelectionDialog();
65         } else {
66             f = new MultiFoldersSelectionDialog();
67         }
68         final Bundle args = new Bundle(4);
69         args.putParcelable(ARG_FOLDER_TAG, currentFolder);
70         args.putParcelable(ARG_ACCOUNT_TAG, account);
71         args.putBoolean(ARG_BATCH_TAG, isBatch);
72         args.putParcelableArray(ARG_TARGET_TAG, target.toArray(new Conversation[target.size()]));
73         f.setArguments(args);
74         return f;
75     }
76 
onListItemClick(int position)77     protected abstract void onListItemClick(int position);
78 
79     @Override
onCreate(final Bundle savedInstanceState)80     public void onCreate(final Bundle savedInstanceState) {
81         super.onCreate(savedInstanceState);
82         mAdapter = new SeparatedFolderListAdapter();
83 
84         final Bundle args = getArguments();
85 
86         mCurrentFolder = args.getParcelable(ARG_FOLDER_TAG);
87         mAccount = args.getParcelable(ARG_ACCOUNT_TAG);
88         mBatch = args.getBoolean(ARG_BATCH_TAG);
89         mTarget = Arrays.asList((Conversation[])args.getParcelableArray(ARG_TARGET_TAG));
90     }
91 
92     @Override
onCreateDialog(final Bundle savedInstanceState)93     public Dialog onCreateDialog(final Bundle savedInstanceState) {
94         final AlertDialog dialog = new AlertDialog.Builder(getActivity())
95                 .setNegativeButton(R.string.cancel, this)
96                 .setPositiveButton(R.string.ok, this)
97                 .setAdapter(mAdapter, this)
98                 .setTitle(mTitleId)
99                 .create();
100         dialog.getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
101             @Override
102             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
103                 onListItemClick(position);
104             }
105         });
106         return dialog;
107     }
108 
getConversationUpdater()109     protected ConversationUpdater getConversationUpdater() {
110         if (!isResumed()) {
111             throw new IllegalStateException(
112                     "Tried to update conversations while fragment is not running");
113         }
114         final ControllableActivity activity = (ControllableActivity)getActivity();
115         return activity.getConversationUpdater();
116     }
117 }
118