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      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 com.android.tv.settings.widget.BitmapDownloader;
     20 import com.android.tv.settings.widget.BitmapDownloader.BitmapCallback;
     21 import com.android.tv.settings.widget.BitmapWorkerOptions;
     22 import com.android.tv.settings.R;
     23 
     24 import android.content.Context;
     25 import android.graphics.Bitmap;
     26 import android.net.Uri;
     27 import android.view.Gravity;
     28 import android.view.LayoutInflater;
     29 import android.view.View;
     30 import android.widget.ImageView;
     31 import android.widget.TextView;
     32 import android.widget.Toast;
     33 
     34 /**
     35  * Implementation of the SettingsToast notification.
     36  */
     37 public class SettingsToast extends Toast {
     38 
     39     protected Context mContext;
     40     protected TextView mTextView;
     41     protected ImageView mIconView;
     42     protected BitmapCallback mBitmapCallBack;
     43 
     44     /**
     45      * Constructs a SettingsToast message with a text message.
     46      *
     47      * @param context  The context to use.  Usually your {@link android.app.Application}
     48      *                 or {@link android.app.Activity} object.
     49      * @param text     The text to show.  Can be formatted text.
     50      */
     51     public SettingsToast(Context context, CharSequence text) {
     52         super(context);
     53 
     54         mContext = context;
     55 
     56         LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
     57                 Context.LAYOUT_INFLATER_SERVICE);
     58         View layout = inflater.inflate(R.layout.toast_notification, null);
     59 
     60         mTextView = (TextView) layout.findViewById(R.id.text);
     61         if (mTextView != null) {
     62             mTextView.setText(text);
     63         }
     64 
     65         mIconView = (ImageView) layout.findViewById(R.id.icon);
     66 
     67         setGravity(Gravity.CENTER_HORIZONTAL | Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
     68         setView(layout);
     69     }
     70 
     71     /**
     72      * Constructs a SettingsToast message with a text message and an icon.
     73      *
     74      * @param context The context to use. Usually your
     75      *            {@link android.app.Application} or
     76      *            {@link android.app.Activity} object.
     77      * @param text The text to show. Can be formatted text.
     78      * @param iconUri URI String identifying the Icon to be used in this
     79      *            notification.
     80      */
     81     public SettingsToast(Context context, CharSequence text, String iconUri) {
     82         this(context, text);
     83 
     84         if (mIconView != null && iconUri != null) {
     85             mIconView.setVisibility(View.INVISIBLE);
     86 
     87             BitmapDownloader bitmapDownloader = BitmapDownloader.getInstance(mContext);
     88             mBitmapCallBack = new BitmapCallback() {
     89                     @Override
     90                 public void onBitmapRetrieved(Bitmap bitmap) {
     91                     mIconView.setImageBitmap(bitmap);
     92                     mIconView.setVisibility(View.VISIBLE);
     93                 }
     94             };
     95 
     96             bitmapDownloader.getBitmap(new BitmapWorkerOptions.Builder(mContext).resource(
     97                     Uri.parse(iconUri)).width(mIconView.getLayoutParams().width)
     98                     .height(mIconView.getLayoutParams().height).build(), mBitmapCallBack);
     99         }
    100     }
    101 
    102     /**
    103      * Constructs a SettingsToast message with a text message and a Bitmap icon.
    104      *
    105      * @param context The context to use. Usually your
    106      *            {@link android.app.Application} or
    107      *            {@link android.app.Activity} object.
    108      * @param text The text to show. Can be formatted text.
    109      * @param iconBitmap Bitmap Icon to be used in this toast notification.
    110      */
    111     public SettingsToast(Context context, CharSequence text, Bitmap iconBitmap) {
    112         this(context, text);
    113 
    114         if (mIconView != null && iconBitmap != null) {
    115             mIconView.setImageBitmap(iconBitmap);
    116             mIconView.setVisibility(View.VISIBLE);
    117         }
    118     }
    119 
    120     @Override
    121     public void finalize() throws Throwable {
    122         if (mBitmapCallBack != null) {
    123             BitmapDownloader bitmapDownloader = BitmapDownloader.getInstance(mContext);
    124             bitmapDownloader.cancelDownload(mBitmapCallBack);
    125         }
    126         super.finalize();
    127     }
    128 }
    129