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      1 /*
      2  * Copyright (C) 2015 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.tv.dialog;
     18 
     19 import android.app.DialogFragment;
     20 import android.os.Bundle;
     21 import android.support.annotation.Nullable;
     22 import android.text.TextUtils;
     23 import android.util.Log;
     24 import android.view.LayoutInflater;
     25 import android.view.View;
     26 import android.view.ViewGroup;
     27 import android.view.ViewGroup.LayoutParams;
     28 import android.webkit.WebView;
     29 import android.webkit.WebViewClient;
     30 
     31 /**
     32  * A DialogFragment that shows a web view.
     33  */
     34 public class WebDialogFragment extends SafeDismissDialogFragment {
     35     private static final String TAG = "WebDialogFragment";
     36     private static final String URL = "URL";
     37     private static final String TITLE = "TITLE";
     38     private static final String TRACKER_LABEL = "TRACKER_LABEL";
     39 
     40     private String mTrackerLabel;
     41 
     42     /**
     43      * Create a new WebDialogFragment to show a particular web page.
     44      *
     45      * @param url   The URL of the content to show.
     46      * @param title Optional title for the dialog.
     47      */
     48     public static WebDialogFragment newInstance(String url, @Nullable String title,
     49             String trackerLabel) {
     50         WebDialogFragment f = new WebDialogFragment();
     51         Bundle args = new Bundle();
     52         args.putString(URL, url);
     53         args.putString(TITLE, title);
     54         args.putString(TRACKER_LABEL, trackerLabel);
     55         f.setArguments(args);
     56         return f;
     57     }
     58 
     59     @Override
     60     public void onCreate(Bundle savedInstanceState) {
     61         super.onCreate(savedInstanceState);
     62         String title = getArguments().getString(TITLE);
     63         mTrackerLabel = getArguments().getString(TRACKER_LABEL);
     64         int style = TextUtils.isEmpty(title) ? DialogFragment.STYLE_NO_TITLE
     65                 : DialogFragment.STYLE_NORMAL;
     66         setStyle(style, 0);
     67     }
     68 
     69     @Nullable
     70     @Override
     71     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     72             Bundle savedInstanceState) {
     73         String title = getArguments().getString(TITLE);
     74         getDialog().setTitle(title);
     75 
     76         WebView webView = new WebView(getActivity());
     77         webView.setWebViewClient(new WebViewClient());
     78         String url = getArguments().getString(URL);
     79         webView.loadUrl(url);
     80         Log.d(TAG, "Loading web content from " + url);
     81 
     82         return webView;
     83     }
     84 
     85     @Override
     86     public void onStart() {
     87         super.onStart();
     88         // Ensure the dialog is fullscreen, even if the webview doesn't have its content yet.
     89         getDialog().getWindow().setLayout(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
     90     }
     91 
     92     @Override
     93     public String getTrackerLabel() {
     94         return mTrackerLabel;
     95     }
     96 }
     97