java/com/android/incallui/PostCharDialogFragment.java

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.incallui;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import com.android.incallui.call.TelecomAdapter;

/**
 * Pop up an alert dialog with OK and Cancel buttons to allow user to Accept or Reject the WAIT
 * inserted as part of the Dial string.
 */
public class PostCharDialogFragment extends DialogFragment {

  private static final String STATE_CALL_ID = "CALL_ID";
  private static final String STATE_POST_CHARS = "POST_CHARS";

  private String callId;
  private String postDialStr;

  public PostCharDialogFragment() {}

  public PostCharDialogFragment(String callId, String postDialStr) {
    this.callId = callId;
    this.postDialStr = postDialStr;
  }

  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    super.onCreateDialog(savedInstanceState);

    if (postDialStr == null && savedInstanceState != null) {
      callId = savedInstanceState.getString(STATE_CALL_ID);
      postDialStr = savedInstanceState.getString(STATE_POST_CHARS);
    }

    final StringBuilder buf = new StringBuilder();
    buf.append(getResources().getText(R.string.wait_prompt_str));
    buf.append(postDialStr);

    final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    builder.setMessage(buf.toString());

    builder.setPositiveButton(
        R.string.pause_prompt_yes,
        new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int whichButton) {
            TelecomAdapter.getInstance().postDialContinue(callId, true);
          }
        });
    builder.setNegativeButton(
        R.string.pause_prompt_no,
        new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int whichButton) {
            dialog.cancel();
          }
        });

    final AlertDialog dialog = builder.create();
    return dialog;
  }

  @Override
  public void onCancel(DialogInterface dialog) {
    super.onCancel(dialog);

    TelecomAdapter.getInstance().postDialContinue(callId, false);
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);

    outState.putString(STATE_CALL_ID, callId);
    outState.putString(STATE_POST_CHARS, postDialStr);
  }
}