| /* |
| * Copyright (C) 2017 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.storagemanager.utils; |
| |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.webkit.MimeTypeMap; |
| |
| import java.io.File; |
| |
| /** |
| * IconProvider is a class for getting file icons. It is strongly based upon the DocumentsUI |
| * implementation of IconUtils, but tailored for the Deletion Helper use-case. Useful for testing. |
| */ |
| public class IconProvider { |
| private Context mContext; |
| |
| public IconProvider(Context context) { |
| mContext = context; |
| } |
| |
| /** |
| * Returns an icon which represents a file with the given MIME type. |
| * |
| * @param mimeType The MIME type of the file. |
| * @return |
| */ |
| public Drawable loadMimeIcon(String mimeType) { |
| return mContext.getContentResolver().getTypeInfo(mimeType).getIcon().loadDrawable(mContext); |
| } |
| |
| public static String getMimeType(File file) { |
| String name = file.getName(); |
| final int lastDot = name.lastIndexOf('.'); |
| if (lastDot >= 0) { |
| final String extension = name.substring(lastDot + 1); |
| final String mimeType = |
| MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase()); |
| if (mimeType != null) { |
| return mimeType; |
| } |
| } |
| return "application/octet-stream"; |
| } |
| |
| public static boolean isImageType(File file) { |
| String mimeType = getMimeType(file); |
| return mimeType.startsWith("image/"); |
| } |
| |
| } |