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Commit 38a6333f authored by Jeff Sharkey's avatar Jeff Sharkey Committed by Android (Google) Code Review
Browse files

Merge "Override MIME type to match MediaStore behavior." into rvc-dev

parents 3a21399c 83aaf908

core/java/android/app/DownloadManager.java

+56 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.annotation.SystemApi; 
import android.annotation.SystemService;

import android.annotation.TestApi;

import android.compat.annotation.UnsupportedAppUsage;

import android.content.ClipDescription;

import android.content.ContentProviderClient;

import android.content.ContentResolver;

import android.content.ContentUris;
@@ -50,11 +51,13 @@ import android.provider.Settings.SettingNotFoundException; 
import android.text.TextUtils;

import android.util.LongSparseArray;

import android.util.Pair;

import android.webkit.MimeTypeMap;



import java.io.File;

import java.io.FileNotFoundException;

import java.util.ArrayList;

import java.util.List;

import java.util.Locale;



/**

 * The download manager is a system service that handles long-running HTTP downloads. Clients may
@@ -1554,6 +1557,7 @@ public class DownloadManager { 
        values.put(Downloads.Impl.COLUMN_DESTINATION,

                Downloads.Impl.DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD);

        values.put(Downloads.Impl._DATA, path);

        values.put(Downloads.Impl.COLUMN_MIME_TYPE, resolveMimeType(new File(path)));

        values.put(Downloads.Impl.COLUMN_STATUS, Downloads.Impl.STATUS_SUCCESS);

        values.put(Downloads.Impl.COLUMN_TOTAL_BYTES, length);

        values.put(Downloads.Impl.COLUMN_MEDIA_SCANNED,
@@ -1569,6 +1573,58 @@ public class DownloadManager { 
        return Long.parseLong(downloadUri.getLastPathSegment());

    }



    /**

     * Shamelessly borrowed from

     * {@code packages/providers/MediaProvider/src/com/android/providers/media/util/MimeUtils.java}

     *

     * @hide

     */

    private static @NonNull String resolveMimeType(@NonNull File file) {

        final String extension = extractFileExtension(file.getPath());

        if (extension == null) return ClipDescription.MIMETYPE_UNKNOWN;



        final String mimeType = MimeTypeMap.getSingleton()

                .getMimeTypeFromExtension(extension.toLowerCase(Locale.ROOT));

        if (mimeType == null) return ClipDescription.MIMETYPE_UNKNOWN;



        return mimeType;

    }



    /**

     * Shamelessly borrowed from

     * {@code packages/providers/MediaProvider/src/com/android/providers/media/util/FileUtils.java}

     *

     * @hide

     */

    private static @Nullable String extractDisplayName(@Nullable String data) {

        if (data == null) return null;

        if (data.indexOf('/') == -1) {

            return data;

        }

        if (data.endsWith("/")) {

            data = data.substring(0, data.length() - 1);

        }

        return data.substring(data.lastIndexOf('/') + 1);

    }



    /**

     * Shamelessly borrowed from

     * {@code packages/providers/MediaProvider/src/com/android/providers/media/util/FileUtils.java}

     *

     * @hide

     */

    private static @Nullable String extractFileExtension(@Nullable String data) {

        if (data == null) return null;

        data = extractDisplayName(data);



        final int lastDot = data.lastIndexOf('.');

        if (lastDot == -1) {

            return null;

        } else {

            return data.substring(lastDot + 1);

        }

    }



    private static final String NON_DOWNLOADMANAGER_DOWNLOAD =

            "non-dwnldmngr-download-dont-retry2download";