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.model.grid; 17 18 import android.os.AsyncTask; 19 20 import androidx.annotation.NonNull; 21 import androidx.annotation.Nullable; 22 23 import com.android.customization.model.CustomizationManager; 24 import com.android.customization.module.ThemesUserEventLogger; 25 26 import java.util.Collections; 27 import java.util.List; 28 29 /** 30 * {@link CustomizationManager} for interfacing with the launcher to handle {@link GridOption}s. 31 */ 32 public class GridOptionsManager implements CustomizationManager<GridOption> { 33 34 private final LauncherGridOptionsProvider mProvider; 35 private final ThemesUserEventLogger mEventLogger; 36 GridOptionsManager(LauncherGridOptionsProvider provider, ThemesUserEventLogger logger)37 public GridOptionsManager(LauncherGridOptionsProvider provider, ThemesUserEventLogger logger) { 38 mProvider = provider; 39 mEventLogger = logger; 40 } 41 42 @Override isAvailable()43 public boolean isAvailable() { 44 return mProvider.areGridsAvailable(); 45 } 46 47 @Override apply(GridOption option, Callback callback)48 public void apply(GridOption option, Callback callback) { 49 int updated = mProvider.applyGrid(option.name); 50 if (updated == 1) { 51 mEventLogger.logGridApplied(option); 52 callback.onSuccess(); 53 } else { 54 callback.onError(null); 55 } 56 } 57 58 @Override fetchOptions(OptionsFetchedListener<GridOption> callback, boolean reload)59 public void fetchOptions(OptionsFetchedListener<GridOption> callback, boolean reload) { 60 new FetchTask(mProvider, callback).execute(); 61 } 62 63 private static class FetchTask extends AsyncTask<Void, Void, List<GridOption>> { 64 private final LauncherGridOptionsProvider mProvider; 65 @Nullable private final OptionsFetchedListener<GridOption> mCallback; 66 FetchTask(@onNull LauncherGridOptionsProvider provider, @Nullable OptionsFetchedListener<GridOption> callback)67 private FetchTask(@NonNull LauncherGridOptionsProvider provider, 68 @Nullable OptionsFetchedListener<GridOption> callback) { 69 mCallback = callback; 70 mProvider = provider; 71 } 72 73 @Override doInBackground(Void[] params)74 protected List<GridOption> doInBackground(Void[] params) { 75 return mProvider.fetch(false); 76 } 77 78 @Override onPostExecute(List<GridOption> gridOptions)79 protected void onPostExecute(List<GridOption> gridOptions) { 80 if (mCallback != null) { 81 if (gridOptions != null && !gridOptions.isEmpty()) { 82 mCallback.onOptionsLoaded(gridOptions); 83 } else { 84 mCallback.onError(null); 85 } 86 } 87 } 88 89 @Override onCancelled()90 protected void onCancelled() { 91 super.onCancelled(); 92 if (mCallback != null) { 93 mCallback.onError(null); 94 } 95 } 96 } 97 } 98