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      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.example.android.intentplayground;
     18 
     19 
     20 import android.app.Activity;
     21 import android.app.ActivityManager;
     22 import android.app.ActivityManager.AppTask;
     23 import android.app.ActivityManager.RecentTaskInfo;
     24 import android.content.Intent;
     25 import android.view.LayoutInflater;
     26 import android.view.View;
     27 import android.view.ViewGroup;
     28 import android.widget.ImageButton;
     29 import android.widget.LinearLayout;
     30 import android.widget.TextView;
     31 
     32 import androidx.annotation.NonNull;
     33 import androidx.fragment.app.FragmentActivity;
     34 import androidx.fragment.app.FragmentManager;
     35 import androidx.recyclerview.widget.RecyclerView;
     36 
     37 import com.example.android.intentplayground.InlineAdapter.TaskViewHolder;
     38 import com.example.android.intentplayground.Tracking.Task;
     39 
     40 import java.util.Collections;
     41 import java.util.List;
     42 
     43 public class InlineAdapter extends RecyclerView.Adapter<TaskViewHolder> {
     44 
     45     private final List<Task> mTasks;
     46     private int mCurrentTaskIndex;
     47     private FragmentActivity mActivity;
     48 
     49     public InlineAdapter(List<Task> tasks, FragmentActivity activity) {
     50         this.mActivity = activity;
     51         this.mTasks = tasks;
     52         this.mCurrentTaskIndex = indexOfRunningTask();
     53     }
     54 
     55     public int indexOfRunningTask() {
     56         int currentTaskId = mActivity.getTaskId();
     57 
     58         int index = 0;
     59         for (int i = 0; i < mTasks.size(); i++) {
     60             Task task = mTasks.get(i);
     61             if (task.id == currentTaskId) {
     62                 index = i;
     63                 break;
     64             }
     65         }
     66 
     67         return index;
     68     }
     69 
     70 
     71     @NonNull
     72     @Override
     73     public TaskViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
     74         View task = LayoutInflater.from(parent.getContext())
     75                 .inflate(R.layout.tree_node_composite, parent, false);
     76         return new TaskViewHolder(task);
     77     }
     78 
     79     @Override
     80     public void onBindViewHolder(@NonNull TaskViewHolder holder, int position) {
     81         boolean highLightRunningActivity = position == mCurrentTaskIndex;
     82         holder.setTask(mTasks.get(position), mActivity.getSupportFragmentManager(),
     83                 highLightRunningActivity);
     84     }
     85 
     86     @Override
     87     public int getItemCount() {
     88         return mTasks.size();
     89     }
     90 
     91     public static class TaskViewHolder extends RecyclerView.ViewHolder {
     92 
     93         private final TextView mTaskIdTextView;
     94         private final LinearLayout mActivitiesLayout;
     95 
     96         public TaskViewHolder(@NonNull View itemView) {
     97             super(itemView);
     98             mTaskIdTextView = itemView.findViewById(R.id.task_id);
     99             mActivitiesLayout = itemView.findViewById(R.id.activity_node_container);
    100         }
    101 
    102         public void setTask(Task task, FragmentManager manager, boolean highLightRunningActivity) {
    103             mTaskIdTextView.setText(task.id == Node.NEW_TASK_ID
    104                     ? mTaskIdTextView.getContext().getString(R.string.new_task)
    105                     : String.valueOf(task.id));
    106             int taskColor = mTaskIdTextView.getContext()
    107                     .getResources().getColor(ColorManager.getColorForTask(task.id),
    108                             null /* theme */);
    109             mTaskIdTextView.setTextColor(taskColor);
    110 
    111             mActivitiesLayout.removeAllViews();
    112             for (Activity activity : task.mActivities) {
    113                 View activityView = LayoutInflater.from(mActivitiesLayout.getContext())
    114                         .inflate(R.layout.activity_node, mActivitiesLayout, false);
    115 
    116                 TextView activityName = activityView.findViewById(R.id.activity_name);
    117 
    118                 activityName.setText(activity.getComponentName().getShortClassName());
    119                 activityName.setOnClickListener(clickedView -> {
    120                     Intent intent = activity.getIntent();
    121                     List<String> flags;
    122                     if (intent != null) {
    123                         flags = FlagUtils.discoverFlags(intent);
    124                         if (flags.size() == 0) {
    125                             flags.add("None");
    126                         }
    127                     } else {
    128                         flags = Collections.singletonList("None");
    129                     }
    130                     showDialogWithFlags(manager, activity.getComponentName().getShortClassName(),
    131                             flags, task.id);
    132                 });
    133 
    134 
    135                 if (highLightRunningActivity) {
    136                     highLightRunningActivity = false;
    137                     activityName.setTextColor(taskColor);
    138                 }
    139 
    140                 mActivitiesLayout.addView(activityView);
    141             }
    142         }
    143 
    144         /**
    145          * Shows a dialog with a list.
    146          *
    147          * @param shortClassName The activity name and title of the dialog.
    148          * @param flags          The flags to list.
    149          */
    150         private void showDialogWithFlags(FragmentManager manager,
    151                 String shortClassName, List<String> flags, int taskId) {
    152             IntentDialogFragment.newInstance(shortClassName, flags, taskId).show(manager,
    153                     "intentDialog");
    154         }
    155     }
    156 }
    157