1 /* 2 * Copyright (C) 2016 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.dialer.callcomposer; 18 19 import android.content.Context; 20 import android.database.Cursor; 21 import android.database.MatrixCursor; 22 import android.database.MergeCursor; 23 import android.support.annotation.NonNull; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.view.View.OnClickListener; 27 import android.view.ViewGroup; 28 import android.widget.CursorAdapter; 29 import com.android.dialer.common.Assert; 30 import com.android.dialer.common.LogUtil; 31 import java.util.ArrayList; 32 import java.util.List; 33 34 /** Bridges between the image cursor loaded by GalleryBoundCursorLoader and the GalleryGridView. */ 35 public class GalleryGridAdapter extends CursorAdapter { 36 37 @NonNull private final OnClickListener onClickListener; 38 @NonNull private final List<GalleryGridItemView> views = new ArrayList<>(); 39 @NonNull private final Context context; 40 41 private GalleryGridItemData selectedData; 42 GalleryGridAdapter( @onNull Context context, Cursor cursor, @NonNull OnClickListener onClickListener)43 public GalleryGridAdapter( 44 @NonNull Context context, Cursor cursor, @NonNull OnClickListener onClickListener) { 45 super(context, cursor, 0); 46 this.onClickListener = Assert.isNotNull(onClickListener); 47 this.context = Assert.isNotNull(context); 48 } 49 50 @Override getCount()51 public int getCount() { 52 // Add one for the header. 53 return super.getCount() + 1; 54 } 55 56 @Override getView(int position, View convertView, ViewGroup parent)57 public View getView(int position, View convertView, ViewGroup parent) { 58 // At position 0, we want to insert a header. If position == 0, we don't need the cursor. 59 // If position != 0, then we need to move the cursor to position - 1 to account for the offset 60 // of the header. 61 if (position != 0 && !getCursor().moveToPosition(position - 1)) { 62 Assert.fail("couldn't move cursor to position " + (position - 1)); 63 } 64 View view; 65 if (convertView == null) { 66 view = newView(context, getCursor(), parent); 67 } else { 68 view = convertView; 69 } 70 bindView(view, context, getCursor(), position); 71 return view; 72 } 73 bindView(View view, Context context, Cursor cursor, int position)74 private void bindView(View view, Context context, Cursor cursor, int position) { 75 if (position == 0) { 76 GalleryGridItemView gridView = (GalleryGridItemView) view; 77 gridView.showGallery(true); 78 } else { 79 bindView(view, context, cursor); 80 } 81 } 82 83 @Override bindView(View view, Context context, Cursor cursor)84 public void bindView(View view, Context context, Cursor cursor) { 85 GalleryGridItemView gridView = (GalleryGridItemView) view; 86 gridView.bind(cursor); 87 gridView.setSelected(gridView.getData().equals(selectedData)); 88 } 89 90 @Override newView(Context context, Cursor cursor, ViewGroup parent)91 public View newView(Context context, Cursor cursor, ViewGroup parent) { 92 GalleryGridItemView view = 93 (GalleryGridItemView) 94 LayoutInflater.from(context).inflate(R.layout.gallery_grid_item_view, parent, false); 95 view.setOnClickListener(onClickListener); 96 views.add(view); 97 return view; 98 } 99 setSelected(GalleryGridItemData selectedData)100 public void setSelected(GalleryGridItemData selectedData) { 101 this.selectedData = selectedData; 102 for (GalleryGridItemView view : views) { 103 view.setSelected(view.getData().equals(selectedData)); 104 } 105 } 106 insertEntries(@onNull List<GalleryGridItemData> entries)107 public void insertEntries(@NonNull List<GalleryGridItemData> entries) { 108 Assert.checkArgument(entries.size() != 0); 109 LogUtil.i("GalleryGridAdapter.insertRows", "inserting %d rows", entries.size()); 110 MatrixCursor extraRow = new MatrixCursor(GalleryGridItemData.IMAGE_PROJECTION); 111 for (GalleryGridItemData entry : entries) { 112 extraRow.addRow(new Object[] {0L, entry.getFilePath(), entry.getMimeType(), ""}); 113 } 114 extraRow.moveToFirst(); 115 Cursor extendedCursor = new MergeCursor(new Cursor[] {extraRow, getCursor()}); 116 swapCursor(extendedCursor); 117 } 118 insertEntry(String filePath, String mimeType)119 public GalleryGridItemData insertEntry(String filePath, String mimeType) { 120 LogUtil.i("GalleryGridAdapter.insertRow", mimeType + " " + filePath); 121 122 MatrixCursor extraRow = new MatrixCursor(GalleryGridItemData.IMAGE_PROJECTION); 123 extraRow.addRow(new Object[] {0L, filePath, mimeType, ""}); 124 extraRow.moveToFirst(); 125 Cursor extendedCursor = new MergeCursor(new Cursor[] {extraRow, getCursor()}); 126 swapCursor(extendedCursor); 127 128 return new GalleryGridItemData(extraRow); 129 } 130 } 131