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      1 /*
      2  * Copyright (C) 2010 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.apps.tag.record;
     18 
     19 import com.android.apps.tag.R;
     20 import com.google.common.collect.Lists;
     21 
     22 import android.app.Activity;
     23 import android.content.ComponentName;
     24 import android.content.Intent;
     25 import android.content.pm.ActivityInfo;
     26 import android.content.pm.PackageManager;
     27 import android.content.pm.ResolveInfo;
     28 import android.util.Log;
     29 import android.view.LayoutInflater;
     30 import android.view.View;
     31 import android.view.View.OnClickListener;
     32 import android.view.ViewGroup;
     33 import android.view.ViewGroup.LayoutParams;
     34 import android.widget.ImageView;
     35 import android.widget.LinearLayout;
     36 import android.widget.TextView;
     37 
     38 import java.util.Collections;
     39 import java.util.Comparator;
     40 import java.util.List;
     41 
     42 /**
     43  * Utilities for parsed records to use.
     44  */
     45 public class RecordUtils {
     46     /**
     47      * Contains info for click events that happen on views created via {@link #getViewsForIntent}.
     48      */
     49     public static final class ClickInfo {
     50         public Activity activity;
     51         public Intent intent;
     52 
     53         public ClickInfo(Activity activity, Intent intent) {
     54             this.activity = activity;
     55             this.intent = intent;
     56         }
     57     }
     58 
     59     /**
     60      * Creates one or more views for a parsed record that wants to display an actionable intent.
     61      * The views will have a {@link ClickInfo} set as their tag.
     62      */
     63     public static View getViewsForIntent(Activity activity, LayoutInflater inflater,
     64             ViewGroup parent, OnClickListener listener, Intent intent, String description) {
     65         // Lookup which packages can handle this intent.
     66         PackageManager pm = activity.getPackageManager();
     67         int flags = PackageManager.GET_RESOLVED_FILTER | PackageManager.MATCH_DEFAULT_ONLY;
     68         List<ResolveInfo> activities = pm.queryIntentActivities(intent, flags);
     69         int numActivities = activities.size();
     70         if (numActivities == 0 || (numActivities == 1 && !activities.get(0).activityInfo.enabled)) {
     71             TextView text = (TextView) inflater.inflate(R.layout.tag_text, parent, false);
     72             text.setText(description);
     73             return text;
     74         } else if (numActivities == 1) {
     75             return buildActivityView(activity, activities.get(0), pm, inflater, parent, listener,
     76                     intent, description);
     77         } else {
     78             // Build a container to hold the multiple entries
     79             LinearLayout container = new LinearLayout(activity);
     80             container.setOrientation(LinearLayout.VERTICAL);
     81             container.setLayoutParams(new LayoutParams(
     82                     LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
     83 
     84             // Create an entry for each activity that can handle the URI
     85             for (ResolveInfo resolveInfo : activities) {
     86                 if (!resolveInfo.activityInfo.enabled) {
     87                     continue;
     88                 }
     89 
     90                 if (container.getChildCount() > 0) {
     91                     inflater.inflate(R.layout.tag_divider, container);
     92                 }
     93                 // Clone the intent for each view so they can each have their own components setup
     94                 Intent clone = new Intent(intent);
     95                 container.addView(buildActivityView(activity, resolveInfo, pm, inflater, container,
     96                         listener, clone, description));
     97             }
     98             return container;
     99         }
    100     }
    101 
    102     /**
    103      * Build a view to display a single activity that can handle this URI.
    104      */
    105     private static View buildActivityView(Activity activity, ResolveInfo resolveInfo, PackageManager pm,
    106             LayoutInflater inflater, ViewGroup parent, OnClickListener listener, Intent intent,
    107             String defaultText) {
    108         ActivityInfo activityInfo = resolveInfo.activityInfo;
    109 
    110         intent.setAction(resolveInfo.filter.getAction(0));
    111         intent.setComponent(new ComponentName(activityInfo.packageName, activityInfo.name));
    112 
    113         View item = inflater.inflate(R.layout.tag_uri, parent, false);
    114         item.setOnClickListener(listener);
    115         item.setTag(new ClickInfo(activity, intent));
    116 
    117         ImageView icon = (ImageView) item.findViewById(R.id.icon);
    118         icon.setImageDrawable(resolveInfo.loadIcon(pm));
    119 
    120         TextView text = (TextView) item.findViewById(R.id.secondary);
    121         text.setText(resolveInfo.loadLabel(pm));
    122 
    123         text = (TextView) item.findViewById(R.id.primary);
    124         text.setText(defaultText);
    125 
    126         return item;
    127     }
    128 }
    129