src/com/android/browser/preferences/SeekBarSummaryPreference.java

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.browser.preferences;

import android.content.Context;
import android.preference.SeekBarPreference;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;

import com.android.browser.R;

public class SeekBarSummaryPreference extends SeekBarPreference {

    CharSequence mSummary;
    TextView mSummaryView;

    public SeekBarSummaryPreference(
            Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    public SeekBarSummaryPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public SeekBarSummaryPreference(Context context) {
        super(context);
        init();
    }

    void init() {
        setWidgetLayoutResource(R.layout.font_size_widget);
    }

    @Override
    public void setSummary(CharSequence summary) {
        mSummary = summary;
        if (mSummaryView != null) {
            mSummaryView.setText(mSummary);
        }
    }

    @Override
    public CharSequence getSummary() {
        return null;
    }

    @Override
    protected void onBindView(View view) {
        super.onBindView(view);
        mSummaryView = (TextView) view.findViewById(R.id.text);
        if (TextUtils.isEmpty(mSummary)) {
            mSummaryView.setVisibility(View.GONE);
        } else {
            mSummaryView.setVisibility(View.VISIBLE);
            mSummaryView.setText(mSummary);
        }
    }

    @Override
    public void onStartTrackingTouch(SeekBar seekBar) {
        // Intentionally blank - prevent super.onStartTrackingTouch from running
    }

    @Override
    public void onStopTrackingTouch(SeekBar seekBar) {
        // Intentionally blank - prevent onStopTrackingTouch from running
    }

}