src/com/android/settings/support/SupportDisclaimerDialogFragment.java

   1 /*
   2  * Copyright (C) 2016 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.settings.support;
  18
  19 import android.accounts.Account;
  20 import android.app.Activity;
  21 import android.app.AlertDialog;
  22 import android.app.Dialog;
  23 import android.app.DialogFragment;
  24 import android.content.DialogInterface;
  25 import android.os.Bundle;
  26 import android.text.Spannable;
  27 import android.text.TextPaint;
  28 import android.text.method.LinkMovementMethod;
  29 import android.text.style.URLSpan;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.widget.CheckBox;
  33 import android.widget.TextView;
  34
  35 import com.android.internal.logging.MetricsLogger;
  36 import com.android.internal.logging.MetricsProto;
  37 import com.android.settings.R;
  38 import com.android.settings.overlay.FeatureFactory;
  39 import com.android.settings.overlay.SupportFeatureProvider;
  40
  41 /**
  42  * {@link DialogFragment} for support disclaimer.
  43  */
  44 public final class SupportDisclaimerDialogFragment extends DialogFragment implements
  45         DialogInterface.OnClickListener {
  46
  47     public static final String TAG = "SupportDisclaimerDialog";
  48     private static final String EXTRA_TYPE = "extra_type";
  49     private static final String EXTRA_ACCOUNT = "extra_account";
  50
  51     public static SupportDisclaimerDialogFragment newInstance(Account account,
  52             @SupportFeatureProvider.SupportType int type) {
  53         final SupportDisclaimerDialogFragment fragment = new SupportDisclaimerDialogFragment();
  54         final Bundle bundle = new Bundle(2);
  55         bundle.putParcelable(SupportDisclaimerDialogFragment.EXTRA_ACCOUNT, account);
  56         bundle.putInt(SupportDisclaimerDialogFragment.EXTRA_TYPE, type);
  57         fragment.setArguments(bundle);
  58         return fragment;
  59     }
  60
  61     @Override
  62     public Dialog onCreateDialog(Bundle savedInstanceState) {
  63         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
  64                 .setTitle(R.string.support_disclaimer_title)
  65                 .setPositiveButton(android.R.string.ok, this)
  66                 .setNegativeButton(android.R.string.cancel, this);
  67         final View content = LayoutInflater.from(builder.getContext())
  68                 .inflate(R.layout.support_disclaimer_content, null);
  69         final TextView disclaimer = (TextView) content.findViewById(R.id.support_disclaimer_text);
  70         disclaimer.setMovementMethod(LinkMovementMethod.getInstance());
  71         final Activity activity = getActivity();
  72         final SupportFeatureProvider supportFeatureProvider =
  73                 FeatureFactory.getFactory(activity).getSupportFeatureProvider(activity);
  74         disclaimer.setText(supportFeatureProvider.getDisclaimerString());
  75         stripUnderlines((Spannable) disclaimer.getText());
  76         return builder
  77                 .setView(content)
  78                 .create();
  79     }
  80
  81     @Override
  82     public void onClick(DialogInterface dialog, int which) {
  83         if (which == Dialog.BUTTON_NEGATIVE) {
  84             MetricsLogger.action(getContext(),
  85                     MetricsProto.MetricsEvent.ACTION_SUPPORT_DISCLAIMER_CANCEL);
  86             return;
  87         }
  88         final Activity activity = getActivity();
  89         final CheckBox doNotShow =
  90                 (CheckBox) getDialog().findViewById(R.id.support_disclaimer_do_not_show_again);
  91         final SupportFeatureProvider supportFeatureProvider =
  92                 FeatureFactory.getFactory(activity).getSupportFeatureProvider(activity);
  93         supportFeatureProvider.setShouldShowDisclaimerDialog(getContext(), !doNotShow.isChecked());
  94         final Bundle bundle = getArguments();
  95         MetricsLogger.action(activity, MetricsProto.MetricsEvent.ACTION_SUPPORT_DISCLAIMER_OK);
  96         supportFeatureProvider.startSupport(getActivity(),
  97                 (Account) bundle.getParcelable(EXTRA_ACCOUNT), bundle.getInt(EXTRA_TYPE));
  98     }
  99
 100     @Override
 101     public void onCancel(DialogInterface dialog) {
 102         super.onCancel(dialog);
 103         MetricsLogger.action(getContext(),
 104                 MetricsProto.MetricsEvent.ACTION_SUPPORT_DISCLAIMER_CANCEL);
 105     }
 106
 107     /**
 108      * Removes the underlines of {@link android.text.style.URLSpan}s.
 109      */
 110     private static void stripUnderlines(Spannable input) {
 111         final URLSpan[] urls = input.getSpans(0, input.length(), URLSpan.class);
 112
 113         for (URLSpan span : urls) {
 114             final int start = input.getSpanStart(span);
 115             final int end = input.getSpanEnd(span);
 116             input.removeSpan(span);
 117             input.setSpan(new NoUnderlineUrlSpan(span.getURL()), start, end,
 118                     Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 119         }
 120     }
 121
 122     /**
 123      * A {@link URLSpan} that doesn't decorate the link with underline.
 124      */
 125     public static class NoUnderlineUrlSpan extends URLSpan {
 126
 127         public NoUnderlineUrlSpan(String url) {
 128             super(url);
 129         }
 130
 131         @Override
 132         public void updateDrawState(TextPaint ds) {
 133             super.updateDrawState(ds);
 134             ds.setUnderlineText(false);
 135         }
 136     }
 137 }