Home | History | Annotate | Download | only in browser 
      1 /*
      2  * Copyright (C) 2009 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.browser;
     18 
     19 import android.content.Context;
     20 import android.graphics.drawable.Drawable;
     21 import android.net.Uri;
     22 import android.util.AttributeSet;
     23 import android.view.Gravity;
     24 import android.view.LayoutInflater;
     25 import android.view.View;
     26 import android.webkit.WebView;
     27 import android.webkit.GeolocationPermissions;
     28 import android.widget.Button;
     29 import android.widget.CheckBox;
     30 import android.widget.LinearLayout;
     31 import android.widget.TextView;
     32 import android.widget.Toast;
     33 
     34 public class GeolocationPermissionsPrompt extends LinearLayout {
     35     private LinearLayout mInner;
     36     private TextView mMessage;
     37     private Button mShareButton;
     38     private Button mDontShareButton;
     39     private CheckBox mRemember;
     40     private GeolocationPermissions.Callback mCallback;
     41     private String mOrigin;
     42 
     43     public GeolocationPermissionsPrompt(Context context) {
     44         this(context, null);
     45     }
     46 
     47     public GeolocationPermissionsPrompt(Context context, AttributeSet attrs) {
     48         super(context, attrs);
     49     }
     50 
     51     void init() {
     52         mInner = (LinearLayout) findViewById(R.id.inner);
     53         mMessage = (TextView) findViewById(R.id.message);
     54         mShareButton = (Button) findViewById(R.id.share_button);
     55         mDontShareButton = (Button) findViewById(R.id.dont_share_button);
     56         mRemember = (CheckBox) findViewById(R.id.remember);
     57 
     58         final GeolocationPermissionsPrompt me = this;
     59         mShareButton.setOnClickListener(new View.OnClickListener() {
     60             public void onClick(View v) {
     61                 me.handleButtonClick(true);
     62             }
     63         });
     64         mDontShareButton.setOnClickListener(new View.OnClickListener() {
     65             public void onClick(View v) {
     66                 me.handleButtonClick(false);
     67             }
     68         });
     69     }
     70 
     71     /**
     72      * Shows the prompt for the given origin. When the user clicks on one of
     73      * the buttons, the supplied callback is be called.
     74      */
     75     public void show(String origin, GeolocationPermissions.Callback callback) {
     76         mOrigin = origin;
     77         mCallback = callback;
     78         Uri uri = Uri.parse(mOrigin);
     79         setMessage("http".equals(uri.getScheme()) ?  mOrigin.substring(7) : mOrigin);
     80         // The checkbox should always be intially checked.
     81         mRemember.setChecked(true);
     82         showDialog(true);
     83     }
     84 
     85     /**
     86      * Hides the prompt.
     87      */
     88     public void hide() {
     89         showDialog(false);
     90     }
     91 
     92     /**
     93      * Handles a click on one the buttons by invoking the callback.
     94      */
     95     private void handleButtonClick(boolean allow) {
     96         showDialog(false);
     97 
     98         boolean remember = mRemember.isChecked();
     99         if (remember) {
    100             Toast toast = Toast.makeText(
    101                     getContext(),
    102                     allow ? R.string.geolocation_permissions_prompt_toast_allowed :
    103                             R.string.geolocation_permissions_prompt_toast_disallowed,
    104                     Toast.LENGTH_LONG);
    105             toast.setGravity(Gravity.BOTTOM, 0, 0);
    106             toast.show();
    107         }
    108 
    109         mCallback.invoke(mOrigin, allow, remember);
    110     }
    111 
    112     /**
    113      * Sets the prompt's message.
    114      */
    115     private void setMessage(CharSequence origin) {
    116         mMessage.setText(String.format(
    117             getResources().getString(R.string.geolocation_permissions_prompt_message),
    118             origin));
    119     }
    120 
    121     /**
    122      * Shows or hides the prompt.
    123      */
    124     private void showDialog(boolean shown) {
    125         mInner.setVisibility(shown ? View.VISIBLE : View.GONE);
    126     }
    127 }
    128