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1 /*
2  * Copyright (C) 2017 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 package com.android.documentsui.inspector;
17 
18 import android.annotation.StringRes;
19 import android.content.Context;
20 import android.content.res.Resources;
21 import android.os.AsyncTask;
22 import android.os.Bundle;
23 import android.provider.DocumentsContract;
24 import android.util.AttributeSet;
25 import android.widget.TextView;
26 
27 import com.android.documentsui.R;
28 import com.android.documentsui.base.DocumentInfo;
29 import com.android.documentsui.base.DummyLookup;
30 import com.android.documentsui.base.Lookup;
31 import com.android.documentsui.inspector.InspectorController.DebugDisplay;
32 
33 import java.text.NumberFormat;
34 import java.util.ArrayList;
35 import java.util.Arrays;
36 import java.util.Collections;
37 import java.util.List;
38 import java.util.concurrent.Executor;
39 
40 /**
41  * Organizes and Displays the debug information about a file. This view
42  * should only be made visible when build is debuggable and system policies
43  * allow debug "stuff".
44  */
45 public class DebugView extends TableView implements DebugDisplay {
46 
47     private final Context mContext;
48     private final Resources mRes;
49     private Lookup<String, Executor> mExecutors = new DummyLookup<>();
50 
DebugView(Context context)51     public DebugView(Context context) {
52         this(context, null);
53     }
54 
DebugView(Context context, AttributeSet attrs)55     public DebugView(Context context, AttributeSet attrs) {
56         this(context, attrs, 0);
57     }
58 
DebugView(Context context, AttributeSet attrs, int defStyleAttr)59     public DebugView(Context context, AttributeSet attrs, int defStyleAttr) {
60         super(context, attrs, defStyleAttr);
61         mContext = context;
62         mRes = context.getResources();
63     }
64 
init(Lookup<String, Executor> executors)65     void init(Lookup<String, Executor> executors) {
66         assert executors != null;
67         setBackgroundColor(0xFFFFFFFF);  // it's just debug. We do what we want!
68         mExecutors = executors;
69     }
70 
71     @Override
accept(DocumentInfo info)72     public void accept(DocumentInfo info) {
73         setTitle(R.string.inspector_debug_section, false);
74 
75         put(R.string.debug_content_uri, info.derivedUri.toString());
76         put(R.string.debug_document_id, info.documentId);
77         put(R.string.debug_raw_mimetype, info.mimeType);
78         put(R.string.debug_stream_types, "-");
79         put(R.string.debug_raw_size, NumberFormat.getInstance().format(info.size));
80         put(R.string.debug_is_archive, info.isArchive());
81         put(R.string.debug_is_container, info.isContainer());
82         put(R.string.debug_is_partial, info.isPartial());
83         put(R.string.debug_is_virtual, info.isVirtual());
84         put(R.string.debug_supports_create, info.isCreateSupported());
85         put(R.string.debug_supports_delete, info.isDeleteSupported());
86         put(R.string.debug_supports_metadata, info.isMetadataSupported());
87         put(R.string.debug_supports_remove, info.isRemoveSupported());
88         put(R.string.debug_supports_rename, info.isRenameSupported());
89         put(R.string.debug_supports_settings, info.isSettingsSupported());
90         put(R.string.debug_supports_thumbnail, info.isThumbnailSupported());
91         put(R.string.debug_supports_weblink, info.isWeblinkSupported());
92         put(R.string.debug_supports_write, info.isWriteSupported());
93 
94         // Load Document stream types of the file. For virtual files, this should be
95         // something other than the primary type of the file.
96         Executor executor = mExecutors.lookup(info.derivedUri.getAuthority());
97         if (executor != null) {
98             new AsyncTask<Void, Void, String[]>() {
99                 @Override
100                 protected String[] doInBackground(Void... params) {
101                     return mContext.getContentResolver().getStreamTypes(info.derivedUri, "*/*");
102                 }
103 
104                 @Override
105                 protected void onPostExecute(String[] streamTypes) {
106                     put(R.string.debug_stream_types,
107                             streamTypes != null ? Arrays.toString(streamTypes) : "[]");
108                 }
109             }.executeOnExecutor(executor, (Void[]) null);
110         }
111     }
112 
113     @Override
accept(Bundle metadata)114     public void accept(Bundle metadata) {
115         if (metadata == null) {
116             return;
117         }
118 
119         String[] types = metadata.getStringArray(DocumentsContract.METADATA_TYPES);
120         if (types == null) {
121             return;
122         }
123 
124         for (String type : types) {
125             dumpMetadata(type, metadata.getBundle(type));
126         }
127     }
128 
dumpMetadata(String type, Bundle bundle)129     private void dumpMetadata(String type, Bundle bundle) {
130         String title = mContext.getResources().getString(
131                 R.string.inspector_debug_metadata_section);
132         putTitle(String.format(title, type), true);
133         List<String> keys = new ArrayList<>(bundle.keySet());
134         Collections.sort(keys);
135         for (String key : keys) {
136             put(key, String.valueOf(bundle.get(key)));
137         }
138     }
139 
put(@tringRes int key, boolean value)140     private void put(@StringRes int key, boolean value) {
141         KeyValueRow row = put(mRes.getString(key), String.valueOf(value));
142         TextView valueView = ((TextView) row.findViewById(R.id.table_row_value));
143         valueView.setTextColor(value ? 0xFF006400 : 0xFF9A2020);
144     }
145 }
146