1 /* 2 * Copyright (C) 2019 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.wifi.tether; 18 19 import android.content.Context; 20 import android.content.res.Resources; 21 import android.graphics.drawable.Drawable; 22 import android.util.AttributeSet; 23 import android.util.Log; 24 import android.view.View; 25 import android.widget.ImageButton; 26 27 import androidx.annotation.DrawableRes; 28 import androidx.preference.PreferenceViewHolder; 29 30 import com.android.internal.annotations.VisibleForTesting; 31 import com.android.settings.R; 32 import com.android.settings.widget.ValidatedEditTextPreference; 33 34 /** 35 * Support a QR code share button for {@code EditTextPreference} that supports input validation. 36 */ 37 public class WifiTetherSsidPreference extends ValidatedEditTextPreference { 38 private static final String TAG = "WifiTetherSsidPreference"; 39 40 private Drawable mShareIconDrawable; 41 private View.OnClickListener mClickListener; 42 private boolean mVisible; 43 WifiTetherSsidPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)44 public WifiTetherSsidPreference(Context context, AttributeSet attrs, 45 int defStyleAttr, int defStyleRes) { 46 super(context, attrs, defStyleAttr, defStyleRes); 47 48 initialize(); 49 } 50 WifiTetherSsidPreference(Context context, AttributeSet attrs, int defStyleAttr)51 public WifiTetherSsidPreference(Context context, AttributeSet attrs, int defStyleAttr) { 52 super(context, attrs, defStyleAttr); 53 54 initialize(); 55 } 56 WifiTetherSsidPreference(Context context, AttributeSet attrs)57 public WifiTetherSsidPreference(Context context, AttributeSet attrs) { 58 super(context, attrs); 59 60 initialize(); 61 } 62 WifiTetherSsidPreference(Context context)63 public WifiTetherSsidPreference(Context context) { 64 super(context); 65 66 initialize(); 67 } 68 initialize()69 private void initialize() { 70 // TODO(b/129019971): use methods of divider line in parent object 71 setLayoutResource(com.android.settingslib.R.layout.preference_two_target); 72 setWidgetLayoutResource(R.layout.wifi_button_preference_widget); 73 74 mShareIconDrawable = getDrawable(R.drawable.ic_qrcode_24dp); 75 } 76 77 @Override onBindViewHolder(PreferenceViewHolder holder)78 public void onBindViewHolder(PreferenceViewHolder holder) { 79 super.onBindViewHolder(holder); 80 81 final ImageButton shareButton = (ImageButton) holder.findViewById(R.id.button_icon); 82 final View dividerView = holder.findViewById(R.id.two_target_divider); 83 84 if (mVisible) { 85 shareButton.setOnClickListener(mClickListener); 86 shareButton.setVisibility(View.VISIBLE); 87 shareButton.setContentDescription( 88 getContext().getString(R.string.wifi_dpp_share_hotspot)); 89 shareButton.setImageDrawable(mShareIconDrawable); 90 91 dividerView.setVisibility(View.VISIBLE); 92 } else { 93 shareButton.setVisibility(View.GONE); 94 95 dividerView.setVisibility(View.GONE); 96 } 97 } 98 setButtonOnClickListener(View.OnClickListener listener)99 public void setButtonOnClickListener(View.OnClickListener listener) { 100 mClickListener = listener; 101 } 102 setButtonVisible(boolean visible)103 public void setButtonVisible(boolean visible) { 104 mVisible = visible; 105 } 106 getDrawable(@rawableRes int iconResId)107 private Drawable getDrawable(@DrawableRes int iconResId) { 108 Drawable buttonIcon = null; 109 110 try { 111 buttonIcon = getContext().getDrawable(iconResId); 112 } catch (Resources.NotFoundException exception) { 113 Log.e(TAG, "Resource does not exist: " + iconResId); 114 } 115 return buttonIcon; 116 } 117 118 @VisibleForTesting isQrCodeButtonAvailable()119 boolean isQrCodeButtonAvailable() { 120 return mVisible && mClickListener != null; 121 } 122 } 123