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/*
* Copyright (C) 2021 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.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.Observer;
import com.android.customization.model.CustomizationManager.OptionsFetchedListener;
import com.android.customization.model.grid.ui.fragment.GridFragment2;
import com.android.customization.picker.grid.GridFragment;
import com.android.customization.picker.grid.GridSectionView;
import com.android.wallpaper.R;
import com.android.wallpaper.model.CustomizationSectionController;
import java.util.List;
/** A {@link CustomizationSectionController} for app grid. */
public class GridSectionController implements CustomizationSectionController<GridSectionView> {
private static final String TAG = "GridSectionController";
private final GridOptionsManager mGridOptionsManager;
private final CustomizationSectionNavigationController mSectionNavigationController;
private final boolean mIsRevampedUiEnabled;
private final Observer<Object> mOptionChangeObserver;
private final LifecycleOwner mLifecycleOwner;
private TextView mSectionDescription;
private View mSectionTile;
public GridSectionController(
GridOptionsManager gridOptionsManager,
CustomizationSectionNavigationController sectionNavigationController,
LifecycleOwner lifecycleOwner,
boolean isRevampedUiEnabled) {
mGridOptionsManager = gridOptionsManager;
mSectionNavigationController = sectionNavigationController;
mIsRevampedUiEnabled = isRevampedUiEnabled;
mLifecycleOwner = lifecycleOwner;
mOptionChangeObserver = o -> updateUi(/* reload= */ true);
}
@Override
public boolean isAvailable(Context context) {
return mGridOptionsManager.isAvailable();
}
@Override
public GridSectionView createView(Context context) {
final GridSectionView gridSectionView = (GridSectionView) LayoutInflater.from(context)
.inflate(R.layout.grid_section_view, /* root= */ null);
mSectionDescription = gridSectionView.findViewById(R.id.grid_section_description);
mSectionTile = gridSectionView.findViewById(R.id.grid_section_tile);
// Fetch grid options to show currently set grid.
updateUi(/* The result is getting when calling isAvailable(), so reload= */ false);
if (mIsRevampedUiEnabled) {
mGridOptionsManager.getOptionChangeObservable(/* handler= */ null).observe(
mLifecycleOwner,
mOptionChangeObserver);
}
gridSectionView.setOnClickListener(
v -> {
final Fragment gridFragment;
if (mIsRevampedUiEnabled) {
gridFragment = new GridFragment2();
} else {
gridFragment = new GridFragment();
}
mSectionNavigationController.navigateTo(gridFragment);
});
return gridSectionView;
}
@Override
public void release() {
if (mIsRevampedUiEnabled && mGridOptionsManager.isAvailable()) {
mGridOptionsManager.getOptionChangeObservable(/* handler= */ null).removeObserver(
mOptionChangeObserver
);
}
}
@Override
public void onTransitionOut() {
CustomizationSectionController.super.onTransitionOut();
}
private void updateUi(final boolean reload) {
mGridOptionsManager.fetchOptions(
new OptionsFetchedListener<GridOption>() {
@Override
public void onOptionsLoaded(List<GridOption> options) {
final String title = getActiveOption(options).getTitle();
mSectionDescription.setText(title);
}
@Override
public void onError(@Nullable Throwable throwable) {
if (throwable != null) {
Log.e(TAG, "Error loading grid options", throwable);
}
mSectionDescription.setText(R.string.something_went_wrong);
mSectionTile.setVisibility(View.GONE);
}
},
reload);
}
private GridOption getActiveOption(List<GridOption> options) {
return options.stream()
.filter(option -> option.isActive(mGridOptionsManager))
.findAny()
// For development only, as there should always be a grid set.
.orElse(options.get(0));
}
}
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