GeolocationPermissionsPrompt.java revision c9f6d7a165d90562d9d503bb0bbfa06e116aa67a 
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
17package com.android.browser;
18
19import android.content.Context;
20import android.graphics.drawable.Drawable;
21import android.net.Uri;
22import android.util.AttributeSet;
23import android.view.Gravity;
24import android.view.LayoutInflater;
25import android.view.View;
26import android.webkit.WebView;
27import android.webkit.GeolocationPermissions;
28import android.widget.Button;
29import android.widget.CheckBox;
30import android.widget.LinearLayout;
31import android.widget.TextView;
32import android.widget.Toast;
33
34public 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        LayoutInflater factory = LayoutInflater.from(context);
50        factory.inflate(R.layout.geolocation_permissions_prompt, this);
51
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        setButtonClickListeners();
58    }
59
60    /**
61     * Shows the prompt for the given origin. When the user clicks on one of
62     * the buttons, the supplied callback is be called.
63     */
64    public void show(String origin, GeolocationPermissions.Callback callback) {
65        mOrigin = origin;
66        mCallback = callback;
67        Uri uri = Uri.parse(mOrigin);
68        setMessage("http".equals(uri.getScheme()) ?  mOrigin.substring(7) : mOrigin);
69        // The checkbox should always be intially checked.
70        mRemember.setChecked(true);
71        showDialog(true);
72    }
73
74    /**
75     * Hides the prompt.
76     */
77    public void hide() {
78        showDialog(false);
79    }
80
81    /**
82     * Sets the on click listeners for the buttons.
83     */
84    private void setButtonClickListeners() {
85        final GeolocationPermissionsPrompt me = this;
86        mShareButton.setOnClickListener(new View.OnClickListener() {
87            public void onClick(View v) {
88                me.handleButtonClick(true);
89            }
90        });
91        mDontShareButton.setOnClickListener(new View.OnClickListener() {
92            public void onClick(View v) {
93                me.handleButtonClick(false);
94            }
95        });
96    }
97
98    /**
99     * Handles a click on one the buttons by invoking the callback.
100     */
101    private void handleButtonClick(boolean allow) {
102        showDialog(false);
103
104        boolean remember = mRemember.isChecked();
105        if (remember) {
106            Toast toast = Toast.makeText(
107                    getContext(),
108                    allow ? R.string.geolocation_permissions_prompt_toast_allowed :
109                            R.string.geolocation_permissions_prompt_toast_disallowed,
110                    Toast.LENGTH_LONG);
111            toast.setGravity(Gravity.BOTTOM, 0, 0);
112            toast.show();
113        }
114
115        mCallback.invoke(mOrigin, allow, remember);
116    }
117
118    /**
119     * Sets the prompt's message.
120     */
121    private void setMessage(CharSequence origin) {
122        mMessage.setText(String.format(
123            getResources().getString(R.string.geolocation_permissions_prompt_message),
124            origin));
125    }
126
127    /**
128     * Shows or hides the prompt.
129     */
130    private void showDialog(boolean shown) {
131        mInner.setVisibility(shown ? View.VISIBLE : View.GONE);
132    }
133}
134