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      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 
     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 
     77     protected abstract void onListItemClick(int position);
     78 
     79     @Override
     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
     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 
    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