| /* |
| * Copyright (C) 2019 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.customization.model.theme.custom; |
| |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.customization.model.CustomizationManager; |
| import com.android.customization.model.theme.ThemeBundle.PreviewInfo; |
| import com.android.customization.model.theme.ThemeBundleProvider; |
| import com.android.customization.model.theme.ThemeManager; |
| import com.android.customization.model.theme.custom.CustomTheme.Builder; |
| |
| import org.json.JSONException; |
| |
| import java.util.Map; |
| |
| public class CustomThemeManager implements CustomizationManager<ThemeComponentOption> { |
| |
| private static final String TAG = "CustomThemeManager"; |
| private static final String EXTRA_CUSTOM_THEME_OPTION = "custom_theme_option"; |
| |
| private final CustomTheme mOriginalTheme; |
| private CustomTheme.Builder mBuilder; |
| |
| private CustomThemeManager(Map<String, String> overlayPackages, |
| @Nullable CustomTheme originalTheme) { |
| mBuilder = new Builder(); |
| overlayPackages.forEach(mBuilder::addOverlayPackage); |
| mOriginalTheme = originalTheme; |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| @Override |
| public void apply(ThemeComponentOption option, @Nullable Callback callback) { |
| option.buildStep(mBuilder); |
| if (callback != null) { |
| callback.onSuccess(); |
| } |
| } |
| |
| public Map<String, String> getOverlayPackages() { |
| return mBuilder.getPackages(); |
| } |
| |
| public CustomTheme buildPartialCustomTheme(Context context, String id, String title) { |
| return ((CustomTheme.Builder)mBuilder.setId(id).setTitle(title)).build(context); |
| } |
| |
| @Override |
| public void fetchOptions(OptionsFetchedListener<ThemeComponentOption> callback, boolean reload) { |
| //Unused |
| } |
| |
| public CustomTheme getOriginalTheme() { |
| return mOriginalTheme; |
| } |
| |
| public PreviewInfo buildCustomThemePreviewInfo(Context context) { |
| return mBuilder.createPreviewInfo(context); |
| } |
| |
| /** Saves the custom theme selections while system config changes. */ |
| public void saveCustomTheme(Context context, Bundle savedInstanceState) { |
| CustomTheme customTheme = |
| buildPartialCustomTheme(context, /* id= */ null, /* title= */ null); |
| savedInstanceState.putString(EXTRA_CUSTOM_THEME_OPTION, |
| customTheme.getSerializedPackages()); |
| } |
| |
| /** Reads the saved custom theme after system config changed. */ |
| public void readCustomTheme(ThemeBundleProvider themeBundleProvider, |
| Bundle savedInstanceState) { |
| String packages = savedInstanceState.getString(EXTRA_CUSTOM_THEME_OPTION); |
| if (!TextUtils.isEmpty(packages)) { |
| try { |
| mBuilder = themeBundleProvider.parseCustomTheme(packages); |
| } catch (JSONException e) { |
| Log.w(TAG, "Couldn't parse provided custom theme."); |
| } |
| } else { |
| Log.w(TAG, "No custom theme being restored."); |
| } |
| } |
| |
| public static CustomThemeManager create( |
| @Nullable CustomTheme customTheme, ThemeManager themeManager) { |
| if (customTheme != null && customTheme.isDefined()) { |
| return new CustomThemeManager(customTheme.getPackagesByCategory(), customTheme); |
| } |
| // Seed the first custom theme with the currently applied theme. |
| return new CustomThemeManager(themeManager.getCurrentOverlays(), customTheme); |
| } |
| |
| } |