SeekBarSummaryPreference.java revision eabe5dabe4e56a78c5d6cf99e6f171452bad2f23 
1/*
2 * Copyright (C) 2011 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.preferences;
18
19import android.content.Context;
20import android.preference.SeekBarPreference;
21import android.text.TextUtils;
22import android.util.AttributeSet;
23import android.view.View;
24import android.widget.SeekBar;
25import android.widget.TextView;
26
27import com.android.browser.R;
28
29public class SeekBarSummaryPreference extends SeekBarPreference {
30
31    CharSequence mSummary;
32    TextView mSummaryView;
33
34    public SeekBarSummaryPreference(
35            Context context, AttributeSet attrs, int defStyle) {
36        super(context, attrs, defStyle);
37        init();
38    }
39
40    public SeekBarSummaryPreference(Context context, AttributeSet attrs) {
41        super(context, attrs);
42        init();
43    }
44
45    public SeekBarSummaryPreference(Context context) {
46        super(context);
47        init();
48    }
49
50    void init() {
51        setWidgetLayoutResource(R.layout.font_size_widget);
52    }
53
54    @Override
55    public void setSummary(CharSequence summary) {
56        mSummary = summary;
57        if (mSummaryView != null) {
58            mSummaryView.setText(mSummary);
59        }
60    }
61
62    @Override
63    public CharSequence getSummary() {
64        return null;
65    }
66
67    @Override
68    protected void onBindView(View view) {
69        super.onBindView(view);
70        mSummaryView = (TextView) view.findViewById(R.id.text);
71        if (TextUtils.isEmpty(mSummary)) {
72            mSummaryView.setVisibility(View.GONE);
73        } else {
74            mSummaryView.setVisibility(View.VISIBLE);
75            mSummaryView.setText(mSummary);
76        }
77    }
78
79    @Override
80    public void onStartTrackingTouch(SeekBar seekBar) {
81        // Intentionally blank - prevent super.onStartTrackingTouch from running
82    }
83
84    @Override
85    public void onStopTrackingTouch(SeekBar seekBar) {
86        // Intentionally blank - prevent onStopTrackingTouch from running
87    }
88
89}
90