IconUtils.java revision 6090995951c6e2e4dcf38102f01793f8a94166e1 
1/*
2 * Copyright (C) 2013 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.documentsui;
18
19import android.content.Context;
20import android.content.pm.PackageManager;
21import android.content.pm.ProviderInfo;
22import android.content.res.Resources;
23import android.graphics.drawable.Drawable;
24import android.provider.DocumentsContract.Document;
25
26import com.google.android.collect.Maps;
27
28import java.util.HashMap;
29
30public class IconUtils {
31
32    private static HashMap<String, Integer> sMimeIcons = Maps.newHashMap();
33
34    private static void add(String mimeType, int resId) {
35        if (sMimeIcons.put(mimeType, resId) != null) {
36            throw new RuntimeException(mimeType + " already registered!");
37        }
38    }
39
40    static {
41        int icon;
42
43        // Package
44        icon = R.drawable.ic_doc_apk;
45        add("application/vnd.android.package-archive", icon);
46
47        // Audio
48        icon = R.drawable.ic_doc_audio;
49        add("application/ogg", icon);
50        add("application/x-flac", icon);
51
52        // Certificate
53        icon = R.drawable.ic_doc_certificate;
54        add("application/pgp-keys", icon);
55        add("application/pgp-signature", icon);
56        add("application/x-pkcs12", icon);
57        add("application/x-pkcs7-certreqresp", icon);
58        add("application/x-pkcs7-crl", icon);
59        add("application/x-x509-ca-cert", icon);
60        add("application/x-x509-user-cert", icon);
61        add("application/x-pkcs7-certificates", icon);
62        add("application/x-pkcs7-mime", icon);
63        add("application/x-pkcs7-signature", icon);
64
65        // Source code
66        icon = R.drawable.ic_doc_codes;
67        add("application/rdf+xml", icon);
68        add("application/rss+xml", icon);
69        add("application/x-object", icon);
70        add("application/xhtml+xml", icon);
71        add("text/css", icon);
72        add("text/html", icon);
73        add("text/xml", icon);
74        add("text/x-c++hdr", icon);
75        add("text/x-c++src", icon);
76        add("text/x-chdr", icon);
77        add("text/x-csrc", icon);
78        add("text/x-dsrc", icon);
79        add("text/x-csh", icon);
80        add("text/x-haskell", icon);
81        add("text/x-java", icon);
82        add("text/x-literate-haskell", icon);
83        add("text/x-pascal", icon);
84        add("text/x-tcl", icon);
85        add("text/x-tex", icon);
86        add("application/x-latex", icon);
87        add("application/x-texinfo", icon);
88        add("application/atom+xml", icon);
89        add("application/ecmascript", icon);
90        add("application/json", icon);
91        add("application/javascript", icon);
92        add("application/xml", icon);
93        add("text/javascript", icon);
94        add("application/x-javascript", icon);
95
96        // Compressed
97        icon = R.drawable.ic_doc_compressed;
98        add("application/mac-binhex40", icon);
99        add("application/rar", icon);
100        add("application/zip", icon);
101        add("application/x-apple-diskimage", icon);
102        add("application/x-debian-package", icon);
103        add("application/x-gtar", icon);
104        add("application/x-iso9660-image", icon);
105        add("application/x-lha", icon);
106        add("application/x-lzh", icon);
107        add("application/x-lzx", icon);
108        add("application/x-stuffit", icon);
109        add("application/x-tar", icon);
110        add("application/x-webarchive", icon);
111        add("application/x-webarchive-xml", icon);
112        add("application/gzip", icon);
113        add("application/x-7z-compressed", icon);
114        add("application/x-deb", icon);
115        add("application/x-rar-compressed", icon);
116
117        // Contact
118        icon = R.drawable.ic_doc_contact;
119        add("text/x-vcard", icon);
120        add("text/vcard", icon);
121
122        // Event
123        icon = R.drawable.ic_doc_event;
124        add("text/calendar", icon);
125        add("text/x-vcalendar", icon);
126
127        // Font
128        icon = R.drawable.ic_doc_font;
129        add("application/x-font", icon);
130        add("application/font-woff", icon);
131        add("application/x-font-woff", icon);
132        add("application/x-font-ttf", icon);
133
134        // Image
135        icon = R.drawable.ic_doc_image;
136        add("application/vnd.oasis.opendocument.graphics", icon);
137        add("application/vnd.oasis.opendocument.graphics-template", icon);
138        add("application/vnd.oasis.opendocument.image", icon);
139        add("application/vnd.stardivision.draw", icon);
140        add("application/vnd.sun.xml.draw", icon);
141        add("application/vnd.sun.xml.draw.template", icon);
142
143        // PDF
144        icon = R.drawable.ic_doc_pdf;
145        add("application/pdf", icon);
146
147        // Presentation
148        icon = R.drawable.ic_doc_presentation;
149        add("application/vnd.ms-powerpoint", icon);
150        add("application/vnd.openxmlformats-officedocument.presentationml.presentation", icon);
151        add("application/vnd.openxmlformats-officedocument.presentationml.template", icon);
152        add("application/vnd.openxmlformats-officedocument.presentationml.slideshow", icon);
153        add("application/vnd.stardivision.impress", icon);
154        add("application/vnd.sun.xml.impress", icon);
155        add("application/vnd.sun.xml.impress.template", icon);
156        add("application/x-kpresenter", icon);
157        add("application/vnd.oasis.opendocument.presentation", icon);
158
159        // Spreadsheet
160        icon = R.drawable.ic_doc_spreadsheet;
161        add("application/vnd.oasis.opendocument.spreadsheet", icon);
162        add("application/vnd.oasis.opendocument.spreadsheet-template", icon);
163        add("application/vnd.ms-excel", icon);
164        add("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", icon);
165        add("application/vnd.openxmlformats-officedocument.spreadsheetml.template", icon);
166        add("application/vnd.stardivision.calc", icon);
167        add("application/vnd.sun.xml.calc", icon);
168        add("application/vnd.sun.xml.calc.template", icon);
169        add("application/x-kspread", icon);
170
171        // Text
172        icon = R.drawable.ic_doc_text;
173        add("application/vnd.oasis.opendocument.text", icon);
174        add("application/vnd.oasis.opendocument.text-master", icon);
175        add("application/vnd.oasis.opendocument.text-template", icon);
176        add("application/vnd.oasis.opendocument.text-web", icon);
177        add("application/msword", icon);
178        add("application/vnd.openxmlformats-officedocument.wordprocessingml.document", icon);
179        add("application/vnd.openxmlformats-officedocument.wordprocessingml.template", icon);
180        add("application/vnd.stardivision.writer", icon);
181        add("application/vnd.stardivision.writer-global", icon);
182        add("application/vnd.sun.xml.writer", icon);
183        add("application/vnd.sun.xml.writer.global", icon);
184        add("application/vnd.sun.xml.writer.template", icon);
185        add("application/x-abiword", icon);
186        add("application/x-kword", icon);
187
188        // Video
189        icon = R.drawable.ic_doc_video;
190        add("application/x-quicktimeplayer", icon);
191        add("application/x-shockwave-flash", icon);
192    }
193
194    public static Drawable loadPackageIcon(Context context, String authority, int icon) {
195        if (icon != 0) {
196            if (authority != null) {
197                final PackageManager pm = context.getPackageManager();
198                final ProviderInfo info = pm.resolveContentProvider(authority, 0);
199                if (info != null) {
200                    return pm.getDrawable(info.packageName, icon, info.applicationInfo);
201                }
202            } else {
203                return context.getResources().getDrawable(icon);
204            }
205        }
206        return null;
207    }
208
209    public static Drawable loadMimeIcon(
210            Context context, String mimeType, String authority, String docId, int mode) {
211        final Resources res = context.getResources();
212
213        if (Document.MIME_TYPE_DIR.equals(mimeType)) {
214            // TODO: eventually move these hacky assets into that package
215            if ("com.android.providers.media.documents".equals(authority)
216                    && docId.startsWith("album")) {
217                return res.getDrawable(R.drawable.ic_doc_album);
218            }
219
220            if (mode == DocumentsActivity.State.MODE_GRID) {
221                return res.getDrawable(R.drawable.ic_grid_folder);
222            } else {
223                return res.getDrawable(R.drawable.ic_root_folder);
224            }
225        }
226
227        return loadMimeIcon(context, mimeType);
228    }
229
230    public static Drawable loadMimeIcon(Context context, String mimeType) {
231        final Resources res = context.getResources();
232
233        if (Document.MIME_TYPE_DIR.equals(mimeType)) {
234            // TODO: return a mipmap, since this is used for grid
235            return res.getDrawable(R.drawable.ic_root_folder);
236        }
237
238        // Look for exact match first
239        Integer resId = sMimeIcons.get(mimeType);
240        if (resId != null) {
241            return res.getDrawable(resId);
242        }
243
244        if (mimeType == null) {
245            // TODO: generic icon?
246            return null;
247        }
248
249        // Otherwise look for partial match
250        final String typeOnly = mimeType.split("/")[0];
251        if ("audio".equals(typeOnly)) {
252            return res.getDrawable(R.drawable.ic_doc_audio);
253        } else if ("image".equals(typeOnly)) {
254            return res.getDrawable(R.drawable.ic_doc_image);
255        } else if ("text".equals(typeOnly)) {
256            return res.getDrawable(R.drawable.ic_doc_text);
257        } else if ("video".equals(typeOnly)) {
258            return res.getDrawable(R.drawable.ic_doc_video);
259        } else {
260            return res.getDrawable(R.drawable.ic_doc_generic);
261        }
262    }
263}
264