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
17package com.android.apps.tag.record;
18
19import com.android.apps.tag.R;
20import com.google.common.collect.Lists;
21
22import android.app.Activity;
23import android.content.ComponentName;
24import android.content.Intent;
25import android.content.pm.ActivityInfo;
26import android.content.pm.PackageManager;
27import android.content.pm.ResolveInfo;
28import android.util.Log;
29import android.view.LayoutInflater;
30import android.view.View;
31import android.view.View.OnClickListener;
32import android.view.ViewGroup;
33import android.view.ViewGroup.LayoutParams;
34import android.widget.ImageView;
35import android.widget.LinearLayout;
36import android.widget.TextView;
37
38import java.util.Collections;
39import java.util.Comparator;
40import java.util.List;
41
42/**
43 * Utilities for parsed records to use.
44 */
45public 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