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 package com.android.customization.picker.theme; 17 18 import android.os.Bundle; 19 import android.view.LayoutInflater; 20 import android.view.View; 21 import android.view.ViewGroup; 22 23 import androidx.annotation.NonNull; 24 import androidx.annotation.Nullable; 25 import androidx.recyclerview.widget.RecyclerView; 26 27 import com.android.customization.model.theme.custom.ThemeComponentOption; 28 import com.android.customization.model.theme.custom.ThemeComponentOptionProvider; 29 import com.android.customization.widget.OptionSelectorController; 30 import com.android.wallpaper.R; 31 import com.android.wallpaper.picker.AppbarFragment; 32 33 public class CustomThemeComponentFragment extends CustomThemeStepFragment { 34 private static final String ARG_USE_GRID_LAYOUT = "CustomThemeComponentFragment.use_grid";; 35 newInstance(CharSequence toolbarTitle, int position, int titleResId)36 public static CustomThemeComponentFragment newInstance(CharSequence toolbarTitle, int position, 37 int titleResId) { 38 return newInstance(toolbarTitle, position, titleResId, false); 39 } 40 newInstance(CharSequence toolbarTitle, int position, int titleResId, boolean allowGridLayout)41 public static CustomThemeComponentFragment newInstance(CharSequence toolbarTitle, int position, 42 int titleResId, boolean allowGridLayout) { 43 CustomThemeComponentFragment fragment = new CustomThemeComponentFragment(); 44 Bundle arguments = AppbarFragment.createArguments(toolbarTitle); 45 arguments.putInt(ARG_KEY_POSITION, position); 46 arguments.putInt(ARG_KEY_TITLE_RES_ID, titleResId); 47 arguments.putBoolean(ARG_USE_GRID_LAYOUT, allowGridLayout); 48 fragment.setArguments(arguments); 49 return fragment; 50 } 51 52 private ThemeComponentOptionProvider<? extends ThemeComponentOption> mProvider; 53 private boolean mUseGridLayout; 54 55 private RecyclerView mOptionsContainer; 56 private OptionSelectorController<ThemeComponentOption> mOptionsController; 57 private ThemeComponentOption mSelectedOption; 58 59 @Override onCreate(@ullable Bundle savedInstanceState)60 public void onCreate(@Nullable Bundle savedInstanceState) { 61 super.onCreate(savedInstanceState); 62 mUseGridLayout = getArguments().getBoolean(ARG_USE_GRID_LAYOUT); 63 mProvider = mHost.getComponentOptionProvider(mPosition); 64 } 65 66 @Nullable 67 @Override onCreateView(@onNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState)68 public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, 69 @Nullable Bundle savedInstanceState) { 70 View view = super.onCreateView(inflater, container, savedInstanceState); 71 mOptionsContainer = view.findViewById(R.id.options_container); 72 mPreviewContainer = view.findViewById(R.id.component_preview_content); 73 mTitle = view.findViewById(R.id.component_options_title); 74 mTitle.setText(mTitleResId); 75 setUpOptions(); 76 77 return view; 78 } 79 80 @Override getFragmentLayoutResId()81 protected int getFragmentLayoutResId() { 82 return R.layout.fragment_custom_theme_component; 83 } 84 getSelectedOption()85 public ThemeComponentOption getSelectedOption() { 86 return mSelectedOption; 87 } 88 bindPreview()89 private void bindPreview() { 90 mSelectedOption.bindPreview(mPreviewContainer); 91 } 92 setUpOptions()93 private void setUpOptions() { 94 mProvider.fetch(options -> { 95 mOptionsController = new OptionSelectorController( 96 mOptionsContainer, options, mUseGridLayout, false); 97 98 mOptionsController.addListener(selected -> { 99 mSelectedOption = (ThemeComponentOption) selected; 100 bindPreview(); 101 // Preview and apply. The selection will be kept whatever user goes to previous page 102 // or encounter system config changes, the current selection can be recovered. 103 mCustomThemeManager.apply(mSelectedOption, /* callback= */ null); 104 }); 105 mOptionsController.initOptions(mCustomThemeManager); 106 107 for (ThemeComponentOption option : options) { 108 if (option.isActive(mCustomThemeManager)) { 109 mSelectedOption = option; 110 break; 111 } 112 } 113 if (mSelectedOption == null) { 114 mSelectedOption = options.get(0); 115 } 116 mOptionsController.setSelectedOption(mSelectedOption); 117 }, false); 118 } 119 } 120