1 /* 2 * Copyright (C) 2017 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.settings.widget; 18 19 import android.content.Context; 20 import android.support.v7.preference.PreferenceViewHolder; 21 import android.util.AttributeSet; 22 import android.view.View; 23 24 import com.android.settings.R; 25 import com.android.settingslib.RestrictedPreference; 26 27 /** 28 * A preference with a Gear on the side 29 */ 30 public class GearPreference extends RestrictedPreference implements View.OnClickListener { 31 32 private OnGearClickListener mOnGearClickListener; 33 GearPreference(Context context, AttributeSet attrs)34 public GearPreference(Context context, AttributeSet attrs) { 35 super(context, attrs); 36 } 37 setOnGearClickListener(OnGearClickListener l)38 public void setOnGearClickListener(OnGearClickListener l) { 39 mOnGearClickListener = l; 40 notifyChanged(); 41 } 42 43 @Override getSecondTargetResId()44 protected int getSecondTargetResId() { 45 return R.layout.preference_widget_gear; 46 } 47 48 @Override shouldHideSecondTarget()49 protected boolean shouldHideSecondTarget() { 50 return mOnGearClickListener == null; 51 } 52 53 @Override onBindViewHolder(PreferenceViewHolder holder)54 public void onBindViewHolder(PreferenceViewHolder holder) { 55 super.onBindViewHolder(holder); 56 final View gear = holder.findViewById(R.id.settings_button); 57 if (mOnGearClickListener != null) { 58 gear.setVisibility(View.VISIBLE); 59 gear.setOnClickListener(this); 60 } else { 61 gear.setVisibility(View.GONE); 62 gear.setOnClickListener(null); 63 } 64 gear.setEnabled(true); // Make gear available even if the preference itself is disabled. 65 } 66 67 @Override onClick(View v)68 public void onClick(View v) { 69 if (v.getId() == R.id.settings_button) { 70 if (mOnGearClickListener != null) { 71 mOnGearClickListener.onGearClick(this); 72 } 73 } 74 } 75 76 public interface OnGearClickListener { onGearClick(GearPreference p)77 void onGearClick(GearPreference p); 78 } 79 } 80