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/*
* Copyright (C) 2016 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.dialer.callcomposer;
import android.content.Context;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.database.MergeCursor;
import android.support.annotation.NonNull;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import java.util.ArrayList;
import java.util.List;
/** Bridges between the image cursor loaded by GalleryBoundCursorLoader and the GalleryGridView. */
public class GalleryGridAdapter extends CursorAdapter {
@NonNull private final OnClickListener onClickListener;
@NonNull private final List<GalleryGridItemView> views = new ArrayList<>();
@NonNull private final Context context;
private GalleryGridItemData selectedData;
public GalleryGridAdapter(
@NonNull Context context, Cursor cursor, @NonNull OnClickListener onClickListener) {
super(context, cursor, 0);
this.onClickListener = Assert.isNotNull(onClickListener);
this.context = Assert.isNotNull(context);
}
@Override
public int getCount() {
// Add one for the header.
return super.getCount() + 1;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// At position 0, we want to insert a header. If position == 0, we don't need the cursor.
// If position != 0, then we need to move the cursor to position - 1 to account for the offset
// of the header.
if (position != 0 && !getCursor().moveToPosition(position - 1)) {
Assert.fail("couldn't move cursor to position " + (position - 1));
}
View view;
if (convertView == null) {
view = newView(context, getCursor(), parent);
} else {
view = convertView;
}
bindView(view, context, getCursor(), position);
return view;
}
private void bindView(View view, Context context, Cursor cursor, int position) {
if (position == 0) {
GalleryGridItemView gridView = (GalleryGridItemView) view;
gridView.showGallery(true);
} else {
bindView(view, context, cursor);
}
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
GalleryGridItemView gridView = (GalleryGridItemView) view;
gridView.bind(cursor);
gridView.setSelected(gridView.getData().equals(selectedData));
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
GalleryGridItemView view =
(GalleryGridItemView)
LayoutInflater.from(context).inflate(R.layout.gallery_grid_item_view, parent, false);
view.setOnClickListener(onClickListener);
views.add(view);
return view;
}
public void setSelected(GalleryGridItemData selectedData) {
this.selectedData = selectedData;
for (GalleryGridItemView view : views) {
view.setSelected(view.getData().equals(selectedData));
}
}
public void insertEntries(@NonNull List<GalleryGridItemData> entries) {
Assert.checkArgument(entries.size() != 0);
LogUtil.i("GalleryGridAdapter.insertRows", "inserting %d rows", entries.size());
MatrixCursor extraRow = new MatrixCursor(GalleryGridItemData.IMAGE_PROJECTION);
for (GalleryGridItemData entry : entries) {
extraRow.addRow(new Object[] {0L, entry.getFilePath(), entry.getMimeType(), ""});
}
extraRow.moveToFirst();
Cursor extendedCursor = new MergeCursor(new Cursor[] {extraRow, getCursor()});
swapCursor(extendedCursor);
}
public GalleryGridItemData insertEntry(String filePath, String mimeType) {
LogUtil.i("GalleryGridAdapter.insertRow", mimeType + " " + filePath);
MatrixCursor extraRow = new MatrixCursor(GalleryGridItemData.IMAGE_PROJECTION);
extraRow.addRow(new Object[] {0L, filePath, mimeType, ""});
extraRow.moveToFirst();
Cursor extendedCursor = new MergeCursor(new Cursor[] {extraRow, getCursor()});
swapCursor(extendedCursor);
return new GalleryGridItemData(extraRow);
}
}
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