| /* |
| * Copyright (C) 2014 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.tv.settings; |
| |
| import android.animation.ObjectAnimator; |
| import android.app.Activity; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.net.Uri; |
| import android.support.v17.leanback.widget.Presenter; |
| import android.text.TextUtils; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewGroup.LayoutParams; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import com.android.tv.settings.widget.BitmapDownloader; |
| import com.android.tv.settings.widget.BitmapDownloader.BitmapCallback; |
| import com.android.tv.settings.widget.BitmapWorkerOptions; |
| |
| public class MenuItemPresenter extends Presenter { |
| |
| private static class MenuItemViewHolder extends ViewHolder { |
| public final ImageView mIconView; |
| public final TextView mTitleView; |
| public final TextView mDescriptionView; |
| public BitmapCallback mBitmapCallBack; |
| |
| MenuItemViewHolder(View v) { |
| super(v); |
| mIconView = (ImageView) v.findViewById(R.id.icon); |
| mTitleView = (TextView) v.findViewById(R.id.title); |
| mDescriptionView = (TextView) v.findViewById(R.id.description); |
| } |
| |
| } |
| |
| @Override |
| public ViewHolder onCreateViewHolder(ViewGroup parent) { |
| LayoutInflater inflater = (LayoutInflater) parent.getContext().getSystemService( |
| Context.LAYOUT_INFLATER_SERVICE); |
| View v = inflater.inflate(R.layout.browse_item, parent, false); |
| return new MenuItemViewHolder(v); |
| } |
| |
| @Override |
| public void onBindViewHolder(ViewHolder viewHolder, Object item) { |
| if (item instanceof MenuItem && viewHolder instanceof MenuItemViewHolder) { |
| final MenuItem menuItem = (MenuItem) item; |
| MenuItemViewHolder menuItemViewHolder = (MenuItemViewHolder) viewHolder; |
| |
| prepareTextView(menuItemViewHolder.mTitleView, menuItem.getTitle()); |
| boolean hasDescription = prepareTextView(menuItemViewHolder.mDescriptionView, |
| menuItem.getDescriptionGetter() == null ? null |
| : menuItem.getDescriptionGetter().getText()); |
| |
| Resources res = menuItemViewHolder.mTitleView.getContext().getResources(); |
| ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) |
| menuItemViewHolder.mTitleView.getLayoutParams(); |
| if (hasDescription) { |
| lp.bottomMargin = (int) res.getDimension(R.dimen.browse_item_title_marginBottom); |
| menuItemViewHolder.mTitleView.setSingleLine(true); |
| menuItemViewHolder.mTitleView.setLines(1); |
| } else { |
| lp.bottomMargin = (int) res.getDimension(R.dimen.browse_item_description_marginBottom); |
| menuItemViewHolder.mTitleView.setSingleLine(false); |
| menuItemViewHolder.mTitleView.setLines(2); |
| } |
| menuItemViewHolder.mTitleView.setLayoutParams(lp); |
| |
| viewHolder.view.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| if (v != null && menuItem.getIntent() != null) { |
| ((Activity) v.getContext()).startActivity(menuItem.getIntent()); |
| } |
| } |
| }); |
| |
| prepareImageView(menuItemViewHolder, menuItem.getImageUriGetter().getUri()); |
| } |
| } |
| |
| @Override |
| public void onUnbindViewHolder(ViewHolder viewHolder) { |
| if (viewHolder instanceof MenuItemViewHolder) { |
| MenuItemViewHolder menuItemViewHolder = (MenuItemViewHolder) viewHolder; |
| menuItemViewHolder.mIconView.setImageBitmap(null); |
| BitmapDownloader.getInstance(viewHolder.view.getContext()).cancelDownload( |
| menuItemViewHolder.mBitmapCallBack); |
| } |
| } |
| |
| private void prepareImageView(final MenuItemViewHolder menuItemViewHolder, String imageUri) { |
| menuItemViewHolder.mIconView.setVisibility(View.INVISIBLE); |
| LayoutParams lp = menuItemViewHolder.mIconView.getLayoutParams(); |
| if (imageUri != null) { |
| menuItemViewHolder.mBitmapCallBack = new BitmapCallback() { |
| @Override |
| public void onBitmapRetrieved(Bitmap bitmap) { |
| if (bitmap != null) { |
| menuItemViewHolder.mIconView.setImageBitmap(bitmap); |
| menuItemViewHolder.mIconView.setVisibility(View.VISIBLE); |
| menuItemViewHolder.mIconView.setAlpha(0f); |
| fadeIn(menuItemViewHolder.mIconView); |
| } |
| } |
| }; |
| |
| Context context = menuItemViewHolder.view.getContext(); |
| |
| BitmapWorkerOptions bitmapWorkerOptions = new BitmapWorkerOptions.Builder(context) |
| .resource(Uri.parse(imageUri)).height(lp.height).width(lp.width).build(); |
| |
| BitmapDownloader.getInstance(context).getBitmap(bitmapWorkerOptions, |
| menuItemViewHolder.mBitmapCallBack); |
| } |
| } |
| |
| private void fadeIn(View v) { |
| ObjectAnimator alphaAnimator = ObjectAnimator.ofFloat(v, "alpha", 1f); |
| alphaAnimator.setDuration(v.getContext().getResources().getInteger( |
| android.R.integer.config_shortAnimTime)); |
| alphaAnimator.start(); |
| } |
| |
| private boolean prepareTextView(TextView textView, String title) { |
| boolean hasTextView = !TextUtils.isEmpty(title); |
| if (hasTextView) { |
| textView.setText(title); |
| textView.setVisibility(View.VISIBLE); |
| } else { |
| textView.setVisibility(View.GONE); |
| } |
| return hasTextView; |
| } |
| } |