| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.documentsui.base; |
| |
| import android.provider.DocumentsContract.Document; |
| import android.util.ArraySet; |
| |
| import androidx.annotation.Nullable; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| public final class MimeTypes { |
| |
| private MimeTypes() { |
| } |
| |
| public static final String APK_TYPE = "application/vnd.android.package-archive"; |
| public static final String GENERIC_TYPE = "application/*"; |
| |
| public static final String IMAGE_MIME = "image/*"; |
| public static final String AUDIO_MIME = "audio/*"; |
| public static final String VIDEO_MIME = "video/*"; |
| |
| private static final Set<String> sDocumentsMimeTypes = new ArraySet<>(); |
| |
| static { |
| // all lower case |
| sDocumentsMimeTypes.add("application/epub+zip"); |
| sDocumentsMimeTypes.add("application/msword"); |
| sDocumentsMimeTypes.add("application/pdf"); |
| sDocumentsMimeTypes.add("application/rtf"); |
| sDocumentsMimeTypes.add("application/vnd.ms-excel"); |
| sDocumentsMimeTypes.add("application/vnd.ms-excel.addin.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-excel.sheet.binary.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-excel.sheet.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-excel.template.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-powerpoint"); |
| sDocumentsMimeTypes.add("application/vnd.ms-powerpoint.addin.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-powerpoint.presentation.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-powerpoint.slideshow.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-powerpoint.template.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-word.document.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.ms-word.template.macroenabled.12"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.chart"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.database"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.formula"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.graphics"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.graphics-template"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.presentation"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.presentation-template"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.spreadsheet"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.spreadsheet-template"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.text"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.text-master"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.text-template"); |
| sDocumentsMimeTypes.add("application/vnd.oasis.opendocument.text-web"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.presentationml.presentation"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.presentationml.slideshow"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.presentationml.template"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.spreadsheetml.template"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.wordprocessingml.document"); |
| sDocumentsMimeTypes.add( |
| "application/vnd.openxmlformats-officedocument.wordprocessingml.template"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.calc"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.chart"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.draw"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.impress"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.impress-packed"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.mail"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.math"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.writer"); |
| sDocumentsMimeTypes.add("application/vnd.stardivision.writer-global"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.calc"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.calc.template"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.draw"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.draw.template"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.impress"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.impress.template"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.math"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.writer"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.writer.global"); |
| sDocumentsMimeTypes.add("application/vnd.sun.xml.writer.template"); |
| sDocumentsMimeTypes.add("application/x-mspublisher"); |
| sDocumentsMimeTypes.add("text/*"); |
| } |
| |
| /** |
| * Get the Document mime type array |
| * |
| * @return the mime type array of document |
| */ |
| public static String[] getDocumentMimeTypeArray() { |
| return sDocumentsMimeTypes.toArray((new String[0])); |
| } |
| |
| /** |
| * MIME types that are visual in nature. For example, they should always be shown as thumbnails |
| * in list mode. |
| */ |
| public static final String[] VISUAL_MIMES = new String[]{IMAGE_MIME, VIDEO_MIME}; |
| |
| public static @Nullable String[] splitMimeType(String mimeType) { |
| final String[] groups = mimeType.split("/"); |
| |
| if (groups.length != 2 || groups[0].isEmpty() || groups[1].isEmpty()) { |
| return null; |
| } |
| |
| return groups; |
| } |
| |
| public static String findCommonMimeType(List<String> mimeTypes) { |
| String[] commonType = splitMimeType(mimeTypes.get(0)); |
| if (commonType == null) { |
| return "*/*"; |
| } |
| |
| for (int i = 1; i < mimeTypes.size(); i++) { |
| String[] type = mimeTypes.get(i).split("/"); |
| if (type.length != 2) continue; |
| |
| if (!commonType[1].equals(type[1])) { |
| commonType[1] = "*"; |
| } |
| |
| if (!commonType[0].equals(type[0])) { |
| commonType[0] = "*"; |
| commonType[1] = "*"; |
| break; |
| } |
| } |
| |
| return commonType[0] + "/" + commonType[1]; |
| } |
| |
| public static boolean mimeMatches(String[] filters, String[] tests) { |
| if (tests == null) { |
| return false; |
| } |
| for (String test : tests) { |
| if (mimeMatches(filters, test)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean mimeMatches(String filter, String[] tests) { |
| if (tests == null) { |
| return true; |
| } |
| for (String test : tests) { |
| if (mimeMatches(filter, test)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean mimeMatches(String[] filters, String test) { |
| if (filters == null) { |
| return true; |
| } |
| for (String filter : filters) { |
| if (mimeMatches(filter, test)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean mimeMatches(String filter, String test) { |
| if (test == null) { |
| return false; |
| } else if (filter == null || "*/*".equals(filter)) { |
| return true; |
| } else if (filter.equals(test)) { |
| return true; |
| } else if (filter.endsWith("/*")) { |
| return filter.regionMatches(0, test, 0, filter.indexOf('/')); |
| } else { |
| return false; |
| } |
| } |
| |
| public static boolean isApkType(@Nullable String mimeType) { |
| return APK_TYPE.equals(mimeType); |
| } |
| |
| public static boolean isDirectoryType(@Nullable String mimeType) { |
| return Document.MIME_TYPE_DIR.equals(mimeType); |
| } |
| } |
