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      1 /*
      2  * Copyright (C) 2016 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.systemui.statusbar.notification;
     18 
     19 import com.android.internal.widget.MessagingLinearLayout;
     20 import com.android.systemui.statusbar.ExpandableNotificationRow;
     21 import com.android.systemui.statusbar.TransformableView;
     22 
     23 import android.content.Context;
     24 import android.text.TextUtils;
     25 import android.view.View;
     26 import android.widget.TextView;
     27 
     28 import java.util.ArrayList;
     29 
     30 /**
     31  * Wraps a notification containing a messaging template
     32  */
     33 public class NotificationMessagingTemplateViewWrapper extends NotificationTemplateViewWrapper {
     34 
     35     private View mContractedMessage;
     36     private ArrayList<View> mHistoricMessages = new ArrayList<View>();
     37 
     38     protected NotificationMessagingTemplateViewWrapper(Context ctx, View view,
     39             ExpandableNotificationRow row) {
     40         super(ctx, view, row);
     41     }
     42 
     43     private void resolveViews() {
     44         mContractedMessage = null;
     45 
     46         View container = mView.findViewById(com.android.internal.R.id.notification_messaging);
     47         if (container instanceof MessagingLinearLayout
     48                 && ((MessagingLinearLayout) container).getChildCount() > 0) {
     49             MessagingLinearLayout messagingContainer = (MessagingLinearLayout) container;
     50 
     51             int childCount = messagingContainer.getChildCount();
     52             for (int i = 0; i < childCount; i++) {
     53                 View child = messagingContainer.getChildAt(i);
     54 
     55                 if (child.getVisibility() == View.GONE
     56                         && child instanceof TextView
     57                         && !TextUtils.isEmpty(((TextView) child).getText())) {
     58                     mHistoricMessages.add(child);
     59                 }
     60 
     61                 // Only consider the first visible child - transforming to a position other than the
     62                 // first looks bad because we have to move across other messages that are fading in.
     63                 if (child.getId() == messagingContainer.getContractedChildId()) {
     64                     mContractedMessage = child;
     65                 } else if (child.getVisibility() == View.VISIBLE) {
     66                     break;
     67                 }
     68             }
     69         }
     70     }
     71 
     72     @Override
     73     public void onContentUpdated(ExpandableNotificationRow row) {
     74         // Reinspect the notification. Before the super call, because the super call also updates
     75         // the transformation types and we need to have our values set by then.
     76         resolveViews();
     77         super.onContentUpdated(row);
     78     }
     79 
     80     @Override
     81     protected void updateTransformedTypes() {
     82         // This also clears the existing types
     83         super.updateTransformedTypes();
     84         if (mContractedMessage != null) {
     85             mTransformationHelper.addTransformedView(TransformableView.TRANSFORMING_VIEW_TEXT,
     86                     mContractedMessage);
     87         }
     88     }
     89 
     90     @Override
     91     public void setRemoteInputVisible(boolean visible) {
     92         for (int i = 0; i < mHistoricMessages.size(); i++) {
     93             mHistoricMessages.get(i).setVisibility(visible ? View.VISIBLE : View.GONE);
     94         }
     95     }
     96 }
     97