| /* |
| * Copyright (C) 2018 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.car.carlauncher; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.support.v7.widget.RecyclerView; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| /** |
| * The adapter that populates the grid view with apps. |
| */ |
| final class AppGridAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { |
| public static final int RECENT_APPS_TYPE = 1; |
| public static final int APP_ITEM_TYPE = 2; |
| |
| private final Context mContext; |
| private final int mColumnNumber; |
| private final LayoutInflater mInflater; |
| |
| private List<AppMetaData> mApps; |
| private List<AppMetaData> mMostRecentApps; |
| private boolean mIsDistractionOptimizationRequired; |
| |
| AppGridAdapter(Context context) { |
| mContext = context; |
| mInflater = LayoutInflater.from(context); |
| mColumnNumber = |
| mContext.getResources().getInteger(R.integer.car_app_selector_column_number); |
| } |
| |
| void setIsDistractionOptimizationRequired(boolean isDistractionOptimizationRequired) { |
| mIsDistractionOptimizationRequired = isDistractionOptimizationRequired; |
| sortAllApps(); |
| notifyDataSetChanged(); |
| } |
| |
| void setMostRecentApps(@Nullable List<AppMetaData> mostRecentApps) { |
| mMostRecentApps = mostRecentApps; |
| notifyDataSetChanged(); |
| } |
| |
| void setAllApps(List<AppMetaData> apps) { |
| mApps = apps; |
| sortAllApps(); |
| notifyDataSetChanged(); |
| } |
| |
| public int getSpanSizeLookup(int position) { |
| if (position == 0 && hasRecentlyUsedApps()) { |
| return mColumnNumber; |
| } |
| return 1; |
| } |
| |
| @Override |
| public int getItemViewType(int position) { |
| if (position == 0 && hasRecentlyUsedApps()) { |
| return RECENT_APPS_TYPE; |
| } |
| return APP_ITEM_TYPE; |
| } |
| |
| @Override |
| public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| if (viewType == RECENT_APPS_TYPE) { |
| View view = |
| mInflater.inflate(R.layout.recent_apps_row, parent, /* attachToRoot= */ false); |
| return new RecentAppsRowViewHolder(view, mContext); |
| } else { |
| View view = mInflater.inflate(R.layout.app_item, parent, /* attachToRoot= */ false); |
| return new AppItemViewHolder(view, mContext); |
| } |
| } |
| |
| @Override |
| public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { |
| switch (holder.getItemViewType()) { |
| case RECENT_APPS_TYPE: |
| ((RecentAppsRowViewHolder) holder).bind( |
| mMostRecentApps, mIsDistractionOptimizationRequired); |
| break; |
| case APP_ITEM_TYPE: |
| int index = hasRecentlyUsedApps() ? position - 1 : position; |
| AppMetaData app = mApps.get(index); |
| ((AppItemViewHolder) holder).bind(app, mIsDistractionOptimizationRequired); |
| break; |
| default: |
| } |
| } |
| |
| @Override |
| public int getItemCount() { |
| // If there are any most recently launched apps, add a "most recently used apps row item" |
| return (mApps == null ? 0 : mApps.size()) + (hasRecentlyUsedApps() ? 1 : 0); |
| } |
| |
| private boolean hasRecentlyUsedApps() { |
| return mMostRecentApps != null && mMostRecentApps.size() > 0; |
| } |
| |
| private void sortAllApps() { |
| if (mApps != null) { |
| Collections.sort(mApps, AppLauncherUtils.ALPHABETICAL_COMPARATOR); |
| } |
| } |
| } |