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      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.style.URLSpan;
     29 import android.view.LayoutInflater;
     30 import android.view.View;
     31 import android.widget.CheckBox;
     32 import android.widget.TextView;
     33 
     34 import com.android.internal.logging.MetricsLogger;
     35 import com.android.internal.logging.MetricsProto;
     36 import com.android.settings.R;
     37 import com.android.settings.overlay.FeatureFactory;
     38 import com.android.settings.overlay.SupportFeatureProvider;
     39 
     40 /**
     41  * {@link DialogFragment} for support disclaimer.
     42  */
     43 public final class SupportDisclaimerDialogFragment extends DialogFragment implements
     44         DialogInterface.OnClickListener {
     45 
     46     public static final String TAG = "SupportDisclaimerDialog";
     47     private static final String EXTRA_TYPE = "extra_type";
     48     private static final String EXTRA_ACCOUNT = "extra_account";
     49 
     50     public static SupportDisclaimerDialogFragment newInstance(Account account,
     51             @SupportFeatureProvider.SupportType int type) {
     52         final SupportDisclaimerDialogFragment fragment = new SupportDisclaimerDialogFragment();
     53         final Bundle bundle = new Bundle(2);
     54         bundle.putParcelable(SupportDisclaimerDialogFragment.EXTRA_ACCOUNT, account);
     55         bundle.putInt(SupportDisclaimerDialogFragment.EXTRA_TYPE, type);
     56         fragment.setArguments(bundle);
     57         return fragment;
     58     }
     59 
     60     @Override
     61     public Dialog onCreateDialog(Bundle savedInstanceState) {
     62         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
     63                 .setTitle(R.string.support_disclaimer_title)
     64                 .setPositiveButton(android.R.string.ok, this)
     65                 .setNegativeButton(android.R.string.cancel, this);
     66         final View content = LayoutInflater.from(builder.getContext())
     67                 .inflate(R.layout.support_disclaimer_content, null);
     68         final TextView disclaimer = (TextView) content.findViewById(R.id.support_disclaimer_text);
     69         final Activity activity = getActivity();
     70         final SupportFeatureProvider supportFeatureProvider =
     71                 FeatureFactory.getFactory(activity).getSupportFeatureProvider(activity);
     72         disclaimer.setText(supportFeatureProvider.getDisclaimerStringResId());
     73         stripUnderlines((Spannable) disclaimer.getText());
     74         return builder
     75                 .setView(content)
     76                 .create();
     77     }
     78 
     79     @Override
     80     public void onClick(DialogInterface dialog, int which) {
     81         if (which == Dialog.BUTTON_NEGATIVE) {
     82             MetricsLogger.action(getContext(),
     83                     MetricsProto.MetricsEvent.ACTION_SUPPORT_DISCLAIMER_CANCEL);
     84             return;
     85         }
     86         final Activity activity = getActivity();
     87         final CheckBox doNotShow =
     88                 (CheckBox) getDialog().findViewById(R.id.support_disclaimer_do_not_show_again);
     89         final SupportFeatureProvider supportFeatureProvider =
     90                 FeatureFactory.getFactory(activity).getSupportFeatureProvider(activity);
     91         supportFeatureProvider.setShouldShowDisclaimerDialog(getContext(), !doNotShow.isChecked());
     92         final Bundle bundle = getArguments();
     93         MetricsLogger.action(activity, MetricsProto.MetricsEvent.ACTION_SUPPORT_DISCLAIMER_OK);
     94         supportFeatureProvider.startSupport(getActivity(),
     95                 (Account) bundle.getParcelable(EXTRA_ACCOUNT), bundle.getInt(EXTRA_TYPE));
     96     }
     97 
     98     @Override
     99     public void onCancel(DialogInterface dialog) {
    100         super.onCancel(dialog);
    101         MetricsLogger.action(getContext(),
    102                 MetricsProto.MetricsEvent.ACTION_SUPPORT_DISCLAIMER_CANCEL);
    103     }
    104 
    105     /**
    106      * Removes the underlines of {@link android.text.style.URLSpan}s.
    107      */
    108     private static void stripUnderlines(Spannable input) {
    109         final URLSpan[] urls = input.getSpans(0, input.length(), URLSpan.class);
    110 
    111         for (URLSpan span : urls) {
    112             final int start = input.getSpanStart(span);
    113             final int end = input.getSpanEnd(span);
    114             input.removeSpan(span);
    115             input.setSpan(new NoUnderlineUrlSpan(span.getURL()), start, end,
    116                     Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    117         }
    118     }
    119 
    120     /**
    121      * A {@link URLSpan} that doesn't decorate the link with underline.
    122      */
    123     public static class NoUnderlineUrlSpan extends URLSpan {
    124 
    125         public NoUnderlineUrlSpan(String url) {
    126             super(url);
    127         }
    128 
    129         @Override
    130         public void updateDrawState(TextPaint ds) {
    131             super.updateDrawState(ds);
    132             ds.setUnderlineText(false);
    133         }
    134     }
    135 }
    136