1 /* 2 * Copyright (C) 2020 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.google.android.setupdesign.util; 18 19 import android.annotation.TargetApi; 20 import android.content.Context; 21 import android.content.res.TypedArray; 22 import android.os.Build.VERSION_CODES; 23 import android.view.View; 24 import android.view.ViewGroup; 25 import androidx.annotation.Nullable; 26 import com.google.android.setupcompat.partnerconfig.PartnerConfig; 27 import com.google.android.setupcompat.partnerconfig.PartnerConfigHelper; 28 import com.google.android.setupdesign.R; 29 30 /** 31 * Applies the partner style of layout to the given View {@code view}. The user needs to check if 32 * the {@code view} should apply partner heavy theme before calling this method. 33 */ 34 public final class LayoutStyler { 35 36 /** 37 * Applies the partner layout padding style to the given view {@code view}. The theme should set 38 * partner heavy theme config first, and then the partner layout style would be applied. 39 * 40 * @param view A view would be applied partner layout padding style 41 */ 42 @TargetApi(VERSION_CODES.JELLY_BEAN_MR1) applyPartnerCustomizationLayoutPaddingStyle(@ullable View view)43 public static void applyPartnerCustomizationLayoutPaddingStyle(@Nullable View view) { 44 if (view == null) { 45 return; 46 } 47 48 Context context = view.getContext(); 49 boolean partnerMarginStartAvailable = 50 PartnerConfigHelper.get(context) 51 .isPartnerConfigAvailable(PartnerConfig.CONFIG_LAYOUT_MARGIN_START); 52 boolean partnerMarginEndAvailable = 53 PartnerConfigHelper.get(context) 54 .isPartnerConfigAvailable(PartnerConfig.CONFIG_LAYOUT_MARGIN_END); 55 56 // TODO: After all users added the check before calling the API, this check can be 57 // deleted. 58 if (PartnerStyleHelper.shouldApplyPartnerResource(view) 59 && (partnerMarginStartAvailable || partnerMarginEndAvailable)) { 60 int paddingStart; 61 int paddingEnd; 62 if (partnerMarginStartAvailable) { 63 paddingStart = 64 (int) 65 PartnerConfigHelper.get(context) 66 .getDimension(context, PartnerConfig.CONFIG_LAYOUT_MARGIN_START); 67 } else { 68 paddingStart = view.getPaddingStart(); 69 } 70 if (partnerMarginEndAvailable) { 71 paddingEnd = 72 (int) 73 PartnerConfigHelper.get(context) 74 .getDimension(context, PartnerConfig.CONFIG_LAYOUT_MARGIN_END); 75 } else { 76 paddingEnd = view.getPaddingEnd(); 77 } 78 79 if (paddingStart != view.getPaddingStart() || paddingEnd != view.getPaddingEnd()) { 80 view.setPadding(paddingStart, view.getPaddingTop(), paddingEnd, view.getPaddingBottom()); 81 } 82 } 83 } 84 85 /** 86 * Applies the extra padding style to the given view {@code view}. This method is used when {@code 87 * view} already sets its margin, and like to extra padding make view.margin + view.pendding = 88 * global page margin. 89 * 90 * @param view A view would be applied extra padding style based on the layout margin of partner 91 * config. 92 */ 93 @TargetApi(VERSION_CODES.JELLY_BEAN_MR1) applyPartnerCustomizationExtraPaddingStyle(@ullable View view)94 public static void applyPartnerCustomizationExtraPaddingStyle(@Nullable View view) { 95 if (view == null) { 96 return; 97 } 98 99 Context context = view.getContext(); 100 boolean partnerMarginStartAvailable = 101 PartnerConfigHelper.get(context) 102 .isPartnerConfigAvailable(PartnerConfig.CONFIG_LAYOUT_MARGIN_START); 103 boolean partnerMarginEndAvailable = 104 PartnerConfigHelper.get(context) 105 .isPartnerConfigAvailable(PartnerConfig.CONFIG_LAYOUT_MARGIN_END); 106 107 // TODO: After all users added the check before calling the API, this check can be 108 // deleted. 109 if (PartnerStyleHelper.shouldApplyPartnerResource(view) 110 && (partnerMarginStartAvailable || partnerMarginEndAvailable)) { 111 int extraPaddingStart; 112 int extraPaddingEnd; 113 114 TypedArray a = 115 context.obtainStyledAttributes(new int[] {R.attr.sudMarginStart, R.attr.sudMarginEnd}); 116 int layoutMarginStart = a.getDimensionPixelSize(0, 0); 117 int layoutMarginEnd = a.getDimensionPixelSize(1, 0); 118 a.recycle(); 119 120 if (partnerMarginStartAvailable) { 121 extraPaddingStart = 122 ((int) 123 PartnerConfigHelper.get(context) 124 .getDimension(context, PartnerConfig.CONFIG_LAYOUT_MARGIN_START)) 125 - layoutMarginStart; 126 } else { 127 extraPaddingStart = view.getPaddingStart(); 128 } 129 130 if (partnerMarginEndAvailable) { 131 extraPaddingEnd = 132 ((int) 133 PartnerConfigHelper.get(context) 134 .getDimension(context, PartnerConfig.CONFIG_LAYOUT_MARGIN_END)) 135 - layoutMarginEnd; 136 // If the view is a content view, padding start and padding end will be the same. 137 if (view.getId() == R.id.sud_layout_content) { 138 extraPaddingEnd = 139 ((int) 140 PartnerConfigHelper.get(context) 141 .getDimension(context, PartnerConfig.CONFIG_LAYOUT_MARGIN_START)) 142 - layoutMarginEnd; 143 } 144 } else { 145 extraPaddingEnd = view.getPaddingEnd(); 146 // If the view is a content view, padding start and padding end will be the same. 147 if (view.getId() == R.id.sud_layout_content) { 148 extraPaddingEnd = view.getPaddingStart(); 149 } 150 } 151 152 if (extraPaddingStart != view.getPaddingStart() || extraPaddingEnd != view.getPaddingEnd()) { 153 if (view.getId() == R.id.sud_layout_content) { 154 // The sud_layout_content is framelayout. 155 // The framelayout background maybe infected by this change. 156 // Currently the content background is same as the activity background, and there is no 157 // partner config to customize it. 158 ViewGroup.LayoutParams params = view.getLayoutParams(); 159 ViewGroup.MarginLayoutParams marginLayoutParams; 160 if (params instanceof ViewGroup.MarginLayoutParams) { 161 marginLayoutParams = (ViewGroup.MarginLayoutParams) params; 162 } else { 163 marginLayoutParams = new ViewGroup.MarginLayoutParams(params); 164 } 165 marginLayoutParams.setMargins( 166 extraPaddingStart, view.getPaddingTop(), extraPaddingEnd, view.getPaddingBottom()); 167 } else { 168 view.setPadding( 169 extraPaddingStart, view.getPaddingTop(), extraPaddingEnd, view.getPaddingBottom()); 170 } 171 } 172 } 173 } 174 LayoutStyler()175 private LayoutStyler() {} 176 } 177