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 java.lang.Runnable;
   8
   9 import android.app.AlertDialog;
  10 import android.app.Dialog;
  11 import android.app.DialogFragment;
  12 import android.content.DialogInterface;
  13 import android.os.Bundle;
  14
  15 import org.chromium.chrome.R;
  16
  17 /**
  18  * Form resubmission warning dialog. Presents the cancel/continue choice and fires one of two
  19  * callbacks accordingly.
  20  */
  21 class RepostFormWarningDialog extends DialogFragment {
  22     // Warning dialog currently being shown, stored for testing.
  23     private static Dialog sCurrentDialog;
  24
  25     private final Runnable mCancelCallback;
  26     private final Runnable mContinueCallback;
  27
  28     public RepostFormWarningDialog(Runnable cancelCallback, Runnable continueCallback) {
  29         mCancelCallback = cancelCallback;
  30         mContinueCallback = continueCallback;
  31     }
  32
  33     @Override
  34     public Dialog onCreateDialog(Bundle savedInstanceState) {
  35         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
  36                 .setMessage(R.string.http_post_warning)
  37                 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
  38                     public void onClick(DialogInterface dialog, int id) {
  39                         mCancelCallback.run();
  40                     }
  41                 })
  42                 .setPositiveButton(R.string.http_post_warning_resend,
  43                         new DialogInterface.OnClickListener() {
  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 }