src/chrome/android/java/src/org/chromium/chrome/browser/RepostFormWarningDialog.java

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 package org.chromium.chrome.browser;
   6
   7 import android.app.AlertDialog;
   8 import android.app.Dialog;
   9 import android.app.DialogFragment;
  10 import android.content.DialogInterface;
  11 import android.os.Bundle;
  12
  13 import org.chromium.chrome.R;
  14
  15 /**
  16  * Form resubmission warning dialog. Presents the cancel/continue choice and fires one of two
  17  * callbacks accordingly.
  18  */
  19 class RepostFormWarningDialog extends DialogFragment {
  20     // Warning dialog currently being shown, stored for testing.
  21     private static Dialog sCurrentDialog;
  22
  23     private final Runnable mCancelCallback;
  24     private final Runnable mContinueCallback;
  25
  26     public RepostFormWarningDialog(Runnable cancelCallback, Runnable continueCallback) {
  27         mCancelCallback = cancelCallback;
  28         mContinueCallback = continueCallback;
  29     }
  30
  31     @Override
  32     public Dialog onCreateDialog(Bundle savedInstanceState) {
  33         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
  34                 .setMessage(R.string.http_post_warning)
  35                 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
  36                     @Override
  37                     public void onClick(DialogInterface dialog, int id) {
  38                         mCancelCallback.run();
  39                     }
  40                 })
  41                 .setPositiveButton(R.string.http_post_warning_resend,
  42                         new DialogInterface.OnClickListener() {
  43                             @Override
  44                             public void onClick(DialogInterface dialog, int id) {
  45                                 mContinueCallback.run();
  46                             }
  47                         });
  48
  49         assert getCurrentDialog() == null;
  50         Dialog dialog = builder.create();
  51         setCurrentDialog(dialog);
  52
  53         return dialog;
  54     }
  55
  56     @Override
  57     public void onDismiss(DialogInterface dialog) {
  58         super.onDismiss(dialog);
  59         setCurrentDialog(null);
  60     }
  61
  62     /**
  63      * Sets the currently displayed dialog in sCurrentDialog. This is required by findbugs, which
  64      * allows static fields only to be set from static methods.
  65      */
  66     private static void setCurrentDialog(Dialog dialog) {
  67         sCurrentDialog = dialog;
  68     }
  69
  70     /**
  71      * @return dialog currently being displayed.
  72      */
  73     public static Dialog getCurrentDialog() {
  74         return sCurrentDialog;
  75     }
  76 }