Home | History | Annotate | Download | only in widget 
      1 /*
      2  * Copyright (C) 2014 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.tv.settings.widget;
     18 
     19 import android.content.Context;
     20 import android.graphics.Bitmap;
     21 import android.net.Uri;
     22 import android.view.Gravity;
     23 import android.view.LayoutInflater;
     24 import android.view.View;
     25 import android.widget.ImageView;
     26 import android.widget.TextView;
     27 import android.widget.Toast;
     28 
     29 import com.android.tv.settings.R;
     30 import com.android.tv.settings.widget.BitmapDownloader.BitmapCallback;
     31 
     32 /**
     33  * Implementation of the SettingsToast notification.
     34  */
     35 public class SettingsToast extends Toast {
     36 
     37     protected final Context mContext;
     38     protected final TextView mTextView;
     39     protected final ImageView mIconView;
     40     protected BitmapCallback mBitmapCallBack;
     41 
     42     /**
     43      * Constructs a SettingsToast message with a text message.
     44      *
     45      * @param context  The context to use.  Usually your {@link android.app.Application}
     46      *                 or {@link android.app.Activity} object.
     47      * @param text     The text to show.  Can be formatted text.
     48      */
     49     public SettingsToast(Context context, CharSequence text) {
     50         super(context);
     51 
     52         mContext = context;
     53 
     54         LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
     55                 Context.LAYOUT_INFLATER_SERVICE);
     56         View layout = inflater.inflate(R.layout.toast_notification, null);
     57 
     58         mTextView = (TextView) layout.findViewById(R.id.text);
     59         if (mTextView != null) {
     60             mTextView.setText(text);
     61         }
     62 
     63         mIconView = (ImageView) layout.findViewById(R.id.icon);
     64 
     65         setGravity(Gravity.CENTER_HORIZONTAL | Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
     66         setView(layout);
     67     }
     68 
     69     /**
     70      * Constructs a SettingsToast message with a text message and an icon.
     71      *
     72      * @param context The context to use. Usually your
     73      *            {@link android.app.Application} or
     74      *            {@link android.app.Activity} object.
     75      * @param text The text to show. Can be formatted text.
     76      * @param iconUri URI String identifying the Icon to be used in this
     77      *            notification.
     78      */
     79     public SettingsToast(Context context, CharSequence text, String iconUri) {
     80         this(context, text);
     81 
     82         if (mIconView != null && iconUri != null) {
     83             mIconView.setVisibility(View.INVISIBLE);
     84 
     85             BitmapDownloader bitmapDownloader = BitmapDownloader.getInstance(mContext);
     86             mBitmapCallBack = new BitmapCallback() {
     87                     @Override
     88                 public void onBitmapRetrieved(Bitmap bitmap) {
     89                     mIconView.setImageBitmap(bitmap);
     90                     mIconView.setVisibility(View.VISIBLE);
     91                 }
     92             };
     93 
     94             bitmapDownloader.getBitmap(new BitmapWorkerOptions.Builder(mContext).resource(
     95                     Uri.parse(iconUri)).width(mIconView.getLayoutParams().width)
     96                     .height(mIconView.getLayoutParams().height).build(), mBitmapCallBack);
     97         }
     98     }
     99 
    100     /**
    101      * Constructs a SettingsToast message with a text message and a Bitmap icon.
    102      *
    103      * @param context The context to use. Usually your
    104      *            {@link android.app.Application} or
    105      *            {@link android.app.Activity} object.
    106      * @param text The text to show. Can be formatted text.
    107      * @param iconBitmap Bitmap Icon to be used in this toast notification.
    108      */
    109     public SettingsToast(Context context, CharSequence text, Bitmap iconBitmap) {
    110         this(context, text);
    111 
    112         if (mIconView != null && iconBitmap != null) {
    113             mIconView.setImageBitmap(iconBitmap);
    114             mIconView.setVisibility(View.VISIBLE);
    115         }
    116     }
    117 
    118     @Override
    119     public void finalize() throws Throwable {
    120         if (mBitmapCallBack != null) {
    121             BitmapDownloader bitmapDownloader = BitmapDownloader.getInstance(mContext);
    122             bitmapDownloader.cancelDownload(mBitmapCallBack);
    123         }
    124         super.finalize();
    125     }
    126 }
    127