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Commit 8826b515 authored by qqzhou's avatar qqzhou Committed by Linux Build Service Account
Browse files

DownloadManager: add to pause/resume download by user 

We add pause and resume APIs here to make application can
pause and resume downloads by DownloadManager.

Code change contains:
  - add pause and resume download APIs.
  - add another paused status for this case.

Change-Id: I5bf4f15b2464009595f7926522ca6d5f1b0e2b8d
parent a3fc9756

core/java/android/app/DownloadManager.java

100644 → 100755
+36 −0
Original line number Diff line number Diff line
@@ -266,6 +266,13 @@ public class DownloadManager { 
     */

    public final static int PAUSED_UNKNOWN = 4;



   /**

    * Value of {@link #COLUMN_REASON} when the download is paused by user.

    *

    * @hide

    */

    public final static int PAUSED_BY_USER = 5;



    /**

     * Broadcast intent action sent by the download manager when a download completes.

     */
@@ -865,6 +872,7 @@ public class DownloadManager { 
                    parts.add(statusClause("=", Downloads.Impl.STATUS_WAITING_TO_RETRY));

                    parts.add(statusClause("=", Downloads.Impl.STATUS_WAITING_FOR_NETWORK));

                    parts.add(statusClause("=", Downloads.Impl.STATUS_QUEUED_FOR_WIFI));

                    parts.add(statusClause("=", Downloads.Impl.STATUS_PAUSED_BY_USER));

                }

                if ((mStatusFlags & STATUS_SUCCESSFUL) != 0) {

                    parts.add(statusClause("=", Downloads.Impl.STATUS_SUCCESS));
@@ -1120,6 +1128,30 @@ public class DownloadManager { 
        mResolver.update(mBaseUri, values, getWhereClauseForIds(ids), getWhereArgsForIds(ids));

    }



    /**

     * Pause the given running download by user.

     *

     * @param id the ID of the download to be paused

     * @hide

     */

    public void pauseDownload(long id) {

        ContentValues values = new ContentValues();

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

        mResolver.update(ContentUris.withAppendedId(mBaseUri, id), values, null, null);

    }



    /**

     * Resume the given paused download by user.

     *

     * @param id the ID of the download to be resumed

     * @hide

     */

    public void resumeDownload(long id) {

       ContentValues values = new ContentValues();

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

       mResolver.update(ContentUris.withAppendedId(mBaseUri, id), values, null, null);

    }



    /**

     * Returns maximum size, in bytes, of downloads that may go over a mobile connection; or null if

     * there's no limit
@@ -1356,6 +1388,9 @@ public class DownloadManager { 
                case Downloads.Impl.STATUS_QUEUED_FOR_WIFI:

                    return PAUSED_QUEUED_FOR_WIFI;



                case Downloads.Impl.STATUS_PAUSED_BY_USER:

                    return PAUSED_BY_USER;



                default:

                    return PAUSED_UNKNOWN;

            }
@@ -1411,6 +1446,7 @@ public class DownloadManager { 
                case Downloads.Impl.STATUS_WAITING_TO_RETRY:

                case Downloads.Impl.STATUS_WAITING_FOR_NETWORK:

                case Downloads.Impl.STATUS_QUEUED_FOR_WIFI:

                case Downloads.Impl.STATUS_PAUSED_BY_USER:

                    return STATUS_PAUSED;



                case Downloads.Impl.STATUS_SUCCESS:

core/java/android/provider/Downloads.java

100644 → 100755
+5 −0
Original line number Diff line number Diff line
@@ -592,6 +592,11 @@ public final class Downloads { 
         */

        public static final int STATUS_QUEUED_FOR_WIFI = 196;



        /**

         * This download has been paused by user.

         */

        public static final int STATUS_PAUSED_BY_USER = 197;



        /**

         * This download couldn't be completed due to insufficient storage

         * space.  Typically, this is because the SD card is full.