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 */ SettingsToast(Context context, CharSequence text)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 */ SettingsToast(Context context, CharSequence text, String iconUri)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 */ SettingsToast(Context context, CharSequence text, Bitmap iconBitmap)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 finalize()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