1 /* 2 * Copyright (C) 2018 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.internal.widget; 18 19 import android.annotation.AttrRes; 20 import android.annotation.NonNull; 21 import android.annotation.Nullable; 22 import android.annotation.StyleRes; 23 import android.app.Notification; 24 import android.content.Context; 25 import android.text.Layout; 26 import android.util.AttributeSet; 27 import android.view.LayoutInflater; 28 import android.widget.RemoteViews; 29 30 import com.android.internal.R; 31 32 /** 33 * A message of a {@link MessagingLayout}. 34 */ 35 @RemoteViews.RemoteView 36 public class MessagingTextMessage extends ImageFloatingTextView implements MessagingMessage { 37 38 private static final MessagingPool<MessagingTextMessage> sInstancePool = 39 new MessagingPool<>(20); 40 private final MessagingMessageState mState = new MessagingMessageState(this); 41 MessagingTextMessage(@onNull Context context)42 public MessagingTextMessage(@NonNull Context context) { 43 super(context); 44 } 45 MessagingTextMessage(@onNull Context context, @Nullable AttributeSet attrs)46 public MessagingTextMessage(@NonNull Context context, @Nullable AttributeSet attrs) { 47 super(context, attrs); 48 } 49 MessagingTextMessage(@onNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr)50 public MessagingTextMessage(@NonNull Context context, @Nullable AttributeSet attrs, 51 @AttrRes int defStyleAttr) { 52 super(context, attrs, defStyleAttr); 53 } 54 MessagingTextMessage(@onNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes)55 public MessagingTextMessage(@NonNull Context context, @Nullable AttributeSet attrs, 56 @AttrRes int defStyleAttr, @StyleRes int defStyleRes) { 57 super(context, attrs, defStyleAttr, defStyleRes); 58 } 59 60 @Override getState()61 public MessagingMessageState getState() { 62 return mState; 63 } 64 65 @Override setMessage(Notification.MessagingStyle.Message message)66 public boolean setMessage(Notification.MessagingStyle.Message message) { 67 MessagingMessage.super.setMessage(message); 68 setText(message.getText()); 69 return true; 70 } 71 createMessage(IMessagingLayout layout, Notification.MessagingStyle.Message m)72 static MessagingMessage createMessage(IMessagingLayout layout, 73 Notification.MessagingStyle.Message m) { 74 MessagingLinearLayout messagingLinearLayout = layout.getMessagingLinearLayout(); 75 MessagingTextMessage createdMessage = sInstancePool.acquire(); 76 if (createdMessage == null) { 77 createdMessage = (MessagingTextMessage) LayoutInflater.from( 78 layout.getContext()).inflate( 79 R.layout.notification_template_messaging_text_message, 80 messagingLinearLayout, 81 false); 82 createdMessage.addOnLayoutChangeListener(MessagingLayout.MESSAGING_PROPERTY_ANIMATOR); 83 } 84 createdMessage.setMessage(m); 85 return createdMessage; 86 } 87 recycle()88 public void recycle() { 89 MessagingMessage.super.recycle(); 90 sInstancePool.release(this); 91 } 92 dropCache()93 public static void dropCache() { 94 sInstancePool.clear(); 95 } 96 97 @Override getMeasuredType()98 public int getMeasuredType() { 99 boolean measuredTooSmall = getMeasuredHeight() 100 < getLayoutHeight() + getPaddingTop() + getPaddingBottom(); 101 if (measuredTooSmall && getLineCount() <= 1) { 102 return MEASURED_TOO_SMALL; 103 } else { 104 Layout layout = getLayout(); 105 if (layout == null) { 106 return MEASURED_TOO_SMALL; 107 } 108 if (layout.getEllipsisCount(layout.getLineCount() - 1) > 0) { 109 return MEASURED_SHORTENED; 110 } else { 111 return MEASURED_NORMAL; 112 } 113 } 114 } 115 116 @Override 117 public void setMaxDisplayedLines(int lines) { 118 setMaxLines(lines); 119 } 120 121 @Override 122 public int getConsumedLines() { 123 return getLineCount(); 124 } 125 126 public int getLayoutHeight() { 127 Layout layout = getLayout(); 128 if (layout == null) { 129 return 0; 130 } 131 return layout.getHeight(); 132 } 133 134 @Override 135 public void setColor(int color) { 136 setTextColor(color); 137 } 138 } 139