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Commit 56f9cde8 authored by qqzhou's avatar qqzhou Committed by Danesh M
Browse files

Download: add to support pause/resume download by manual 

We add pause and resume API here so that application can
pause and resume downloads manually by DownloadManager.
This contains two points:
1. add pause and resume download APIs.
2. add another paused reason for this download status.

Change-Id: I606b48ca20f43bcc6c119683818c2ab6ff03bfe5
parent 1f57c615

core/java/android/app/DownloadManager.java

100644 → 100755
+40 −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 manual.

    *

    * @hide

    */

    public final static int PAUSED_BY_MANUAL = 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_MANUAL));

                }

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

                    parts.add(statusClause("=", Downloads.Impl.STATUS_SUCCESS));
@@ -1124,6 +1132,34 @@ public class DownloadManager { 
        mResolver.update(mBaseUri, values, getWhereClauseForIds(ids), getWhereArgsForIds(ids));

    }



    /**

     * Pause the given running download by manual.

     *

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

     * @return the number of downloads actually updated

     * @hide

     */

    public int pauseDownload(long id) {

        ContentValues values = new ContentValues();

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



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

    }



    /**

     * Resume the given paused download by manual.

     *

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

     * @return the number of downloads actually updated

     * @hide

     */

    public int resumeDownload(long id) {

       ContentValues values = new ContentValues();

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



       return 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
@@ -1360,6 +1396,9 @@ public class DownloadManager { 
                case Downloads.Impl.STATUS_QUEUED_FOR_WIFI:

                    return PAUSED_QUEUED_FOR_WIFI;



                case Downloads.Impl.STATUS_PAUSED_BY_MANUAL:

                    return PAUSED_BY_MANUAL;



                default:

                    return PAUSED_UNKNOWN;

            }
@@ -1415,6 +1454,7 @@ 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_MANUAL:

                    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 is paused by manual.

         */

        public static final int STATUS_PAUSED_BY_MANUAL = 197;



        /**

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

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