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/*
* 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.grid;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import com.android.customization.model.CustomizationManager;
import com.android.customization.module.CustomizationInjector;
import com.android.customization.module.ThemesUserEventLogger;
import com.android.wallpaper.R;
import com.android.wallpaper.module.InjectorProvider;
import com.android.wallpaper.util.PreviewUtils;
import java.util.List;
/**
* {@link CustomizationManager} for interfacing with the launcher to handle {@link GridOption}s.
*/
public class GridOptionsManager implements CustomizationManager<GridOption> {
private static GridOptionsManager sGridOptionsManager;
private final LauncherGridOptionsProvider mProvider;
private final ThemesUserEventLogger mEventLogger;
/** Returns the {@link GridOptionsManager} instance. */
public static GridOptionsManager get(Context context) {
if (sGridOptionsManager == null) {
Context appContext = context.getApplicationContext();
CustomizationInjector injector = (CustomizationInjector) InjectorProvider.getInjector();
ThemesUserEventLogger eventLogger = (ThemesUserEventLogger) injector.getUserEventLogger(
appContext);
sGridOptionsManager = new GridOptionsManager(
new LauncherGridOptionsProvider(appContext,
appContext.getString(R.string.grid_control_metadata_name)),
eventLogger);
}
return sGridOptionsManager;
}
@VisibleForTesting
GridOptionsManager(LauncherGridOptionsProvider provider, ThemesUserEventLogger logger) {
mProvider = provider;
mEventLogger = logger;
}
@Override
public boolean isAvailable() {
return mProvider.areGridsAvailable();
}
@Override
public void apply(GridOption option, Callback callback) {
int updated = mProvider.applyGrid(option.name);
if (updated == 1) {
mEventLogger.logGridApplied(option);
callback.onSuccess();
} else {
callback.onError(null);
}
}
@Override
public void fetchOptions(OptionsFetchedListener<GridOption> callback, boolean reload) {
new FetchTask(mProvider, callback, reload).execute();
}
/** Call through content provider API to render preview */
public void renderPreview(Bundle bundle, String gridName,
PreviewUtils.WorkspacePreviewCallback callback) {
mProvider.renderPreview(gridName, bundle, callback);
}
private static class FetchTask extends AsyncTask<Void, Void, List<GridOption>> {
private final LauncherGridOptionsProvider mProvider;
@Nullable private final OptionsFetchedListener<GridOption> mCallback;
private final boolean mReload;
private FetchTask(@NonNull LauncherGridOptionsProvider provider,
@Nullable OptionsFetchedListener<GridOption> callback, boolean reload) {
mCallback = callback;
mProvider = provider;
mReload = reload;
}
@Override
protected List<GridOption> doInBackground(Void[] params) {
return mProvider.fetch(mReload);
}
@Override
protected void onPostExecute(List<GridOption> gridOptions) {
if (mCallback != null) {
if (gridOptions != null && !gridOptions.isEmpty()) {
mCallback.onOptionsLoaded(gridOptions);
} else {
mCallback.onError(null);
}
}
}
@Override
protected void onCancelled() {
super.onCancelled();
if (mCallback != null) {
mCallback.onError(null);
}
}
}
}
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