| /* |
| * Copyright 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 androidx.browser.browseractions; |
| |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.Drawable; |
| import android.text.TextUtils; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.BaseAdapter; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import androidx.browser.R; |
| import androidx.core.content.res.ResourcesCompat; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * The adapter to display the icon and title of custom Browser Actions item. |
| */ |
| class BrowserActionsFallbackMenuAdapter extends BaseAdapter { |
| private final List<BrowserActionItem> mMenuItems; |
| private final Context mContext; |
| |
| BrowserActionsFallbackMenuAdapter(List<BrowserActionItem> menuItems, Context context) { |
| mMenuItems = menuItems; |
| mContext = context; |
| } |
| |
| @Override |
| public int getCount() { |
| return mMenuItems.size(); |
| } |
| |
| @Override |
| public Object getItem(int position) { |
| return mMenuItems.get(position); |
| } |
| |
| @Override |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| final BrowserActionItem menuItem = mMenuItems.get(position); |
| final ViewHolderItem viewHolder; |
| if (convertView == null) { |
| convertView = LayoutInflater.from(mContext).inflate( |
| R.layout.browser_actions_context_menu_row, null); |
| viewHolder = new ViewHolderItem(); |
| viewHolder.mIcon = |
| (ImageView) convertView.findViewById(R.id.browser_actions_menu_item_icon); |
| viewHolder.mText = |
| (TextView) convertView.findViewById(R.id.browser_actions_menu_item_text); |
| convertView.setTag(viewHolder); |
| } else { |
| viewHolder = (ViewHolderItem) convertView.getTag(); |
| } |
| |
| final String titleText = menuItem.getTitle(); |
| viewHolder.mText.setText(titleText); |
| if (menuItem.getIconId() != 0) { |
| Drawable drawable = ResourcesCompat.getDrawable( |
| mContext.getResources(), menuItem.getIconId(), null); |
| viewHolder.mIcon.setImageDrawable(drawable); |
| } else if (menuItem.getIconUri() != null) { |
| final ListenableFuture<Bitmap> bitmapFuture = BrowserServiceFileProvider |
| .loadBitmap(mContext.getContentResolver(), menuItem.getIconUri()); |
| |
| bitmapFuture.addListener(new Runnable() { |
| @Override |
| public void run() { |
| // ViewHolder has been reused by other item. |
| if (!TextUtils.equals(titleText, viewHolder.mText.getText())) return; |
| |
| Bitmap bitmap = null; |
| try { |
| bitmap = bitmapFuture.get(); |
| } catch (ExecutionException | InterruptedException e) { |
| // Ignore and just don't use the image. |
| } |
| |
| if (bitmap != null) { |
| viewHolder.mIcon.setVisibility(View.VISIBLE); |
| viewHolder.mIcon.setImageBitmap(bitmap); |
| } else { |
| viewHolder.mIcon.setVisibility(View.INVISIBLE); |
| viewHolder.mIcon.setImageBitmap(null); |
| } |
| } |
| }, new Executor() { |
| @Override |
| public void execute(Runnable runnable) { |
| runnable.run(); |
| } |
| }); |
| |
| } else { |
| viewHolder.mIcon.setImageBitmap(null); |
| viewHolder.mIcon.setVisibility(View.INVISIBLE); |
| } |
| return convertView; |
| } |
| |
| static class ViewHolderItem { |
| @SuppressWarnings("NullAway") // TODO: b/141869399 |
| ImageView mIcon; |
| @SuppressWarnings("NullAway") // TODO: b/141869399 |
| TextView mText; |
| } |
| } |