1 /* 2 * Copyright (C) 2017 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 17 package com.android.settings.dashboard.suggestions; 18 19 import android.content.Context; 20 import android.support.v7.widget.RecyclerView; 21 import android.support.v7.widget.helper.ItemTouchHelper; 22 23 import com.android.settings.R; 24 import com.android.settings.overlay.FeatureFactory; 25 import com.android.settingslib.SuggestionParser; 26 import com.android.settingslib.drawer.Tile; 27 28 public class SuggestionDismissController extends ItemTouchHelper.SimpleCallback { 29 30 public interface Callback { 31 32 /** 33 * Returns suggestion tile data from the callback 34 */ getSuggestionForPosition(int position)35 Tile getSuggestionForPosition(int position); 36 37 /** 38 * Called when a suggestion is dismissed. 39 */ onSuggestionDismissed(Tile suggestion)40 void onSuggestionDismissed(Tile suggestion); 41 } 42 43 private final Context mContext; 44 private final SuggestionFeatureProvider mSuggestionFeatureProvider; 45 private final SuggestionParser mSuggestionParser; 46 private final Callback mCallback; 47 SuggestionDismissController(Context context, RecyclerView recyclerView, SuggestionParser parser, Callback callback)48 public SuggestionDismissController(Context context, RecyclerView recyclerView, 49 SuggestionParser parser, Callback callback) { 50 super(0, ItemTouchHelper.START | ItemTouchHelper.END); 51 mContext = context; 52 mSuggestionParser = parser; 53 mSuggestionFeatureProvider = FeatureFactory.getFactory(context) 54 .getSuggestionFeatureProvider(context); 55 mCallback = callback; 56 final ItemTouchHelper itemTouchHelper = new ItemTouchHelper(this); 57 itemTouchHelper.attachToRecyclerView(recyclerView); 58 } 59 60 @Override onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target)61 public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, 62 RecyclerView.ViewHolder target) { 63 return true; 64 } 65 66 @Override getSwipeDirs(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder)67 public int getSwipeDirs(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) { 68 if (viewHolder.getItemViewType() == R.layout.suggestion_tile) { 69 // Only return swipe direction for suggestion tiles. All other types are not swipeable. 70 return super.getSwipeDirs(recyclerView, viewHolder); 71 } 72 return 0; 73 } 74 75 @Override onSwiped(RecyclerView.ViewHolder viewHolder, int direction)76 public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) { 77 if (mCallback == null) { 78 return; 79 } 80 final Tile suggestion = mCallback.getSuggestionForPosition(viewHolder.getAdapterPosition()); 81 mSuggestionFeatureProvider.dismissSuggestion(mContext, mSuggestionParser, suggestion); 82 mCallback.onSuggestionDismissed(suggestion); 83 } 84 } 85