bookmarks.m

uclinux 下的vlc播放器源代码

    if( pp_bookmarks[i]->psz_name ) 
    {
        free( pp_bookmarks[i]->psz_name );
    }

    pp_bookmarks[i]->psz_name = strdup([[o_edit_fld_name stringValue] UTF8String]); 
    pp_bookmarks[i]->i_byte_offset = [[o_edit_fld_bytes stringValue] intValue];
    pp_bookmarks[i]->i_time_offset = ([[o_edit_fld_time stringValue] intValue]  * 1000000);
    
    if( input_Control( p_input, INPUT_CHANGE_BOOKMARK, pp_bookmarks[i], i )
        != VLC_SUCCESS )
    {
        msg_Warn( p_intf, "Unable to change the bookmark");
        vlc_object_release( p_input );
        return;
    }
    
    [o_tbl_dataTable reloadData];
    vlc_object_release( p_input );
     
    
    [NSApp endSheet: o_edit_window];
    [o_edit_window close];
}

- (IBAction)extract:(id)sender
{
    /* extract */
    
    intf_thread_t * p_intf = VLCIntf;
    
    if( [o_tbl_dataTable numberOfSelectedRows] < 2 )
    {
        NSBeginAlertSheet(_NS("Invalid selection"), _NS("OK"),
            @"", @"", o_bookmarks_window, nil, nil, nil, nil, 
            _NS("Two bookmarks have to be selected."));
        return;
    }
    input_thread_t *p_input =
        (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
                                           FIND_ANYWHERE );
    if( !p_input )
    {
        NSBeginCriticalAlertSheet(_NS("No input found"), _NS("OK"),
            @"", @"", o_bookmarks_window, nil, nil, nil, nil, 
            _NS("The stream must be playing or paused for bookmarks to work."));
        return;
    }
    
    seekpoint_t **pp_bookmarks;
    int i_bookmarks ;
    int i_first = -1;
    int i_second = -1;
    int x = 0;
    int c = 0;
    while (c != 2)
    {
        if([o_tbl_dataTable isRowSelected:x])
        {
            if (i_first == -1)
            {
                i_first = x;
                c = 1;
            } 
            else if (i_second == -1)
            {
                i_second = x;
                c = 2;
            }
        }
        x = (x + 1);
    }
    
    msg_Dbg(p_intf, "got the bookmark-indexes");
    
    if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
        &i_bookmarks ) != VLC_SUCCESS )
    {
        vlc_object_release( p_input );
        msg_Err(p_intf, "already defined bookmarks couldn't be retrieved");
        return;
    }
    msg_Dbg(p_intf, "calling wizard");

    [[[VLCMain sharedInstance] getWizard] initWithExtractValuesFrom:
            [[NSNumber numberWithInt:
            (pp_bookmarks[i_first]->i_time_offset/1000000)] stringValue]
            to: [[NSNumber numberWithInt:
            (pp_bookmarks[i_second]->i_time_offset/1000000)] stringValue]
            ofItem: [NSString stringWithUTF8String:
            p_input->input.p_item->psz_uri]];
    vlc_object_release( p_input );
    msg_Dbg(p_intf, "released input");
}

- (IBAction)goToBookmark:(id)sender
{
    intf_thread_t * p_intf = VLCIntf;
    input_thread_t *p_input =
    (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT, 
        FIND_ANYWHERE );
    
    if( !p_input ) 
    {
        return;
    }

    input_Control( p_input, INPUT_SET_BOOKMARK, [o_tbl_dataTable selectedRow] );

    vlc_object_release( p_input );
}

- (IBAction)remove:(id)sender
{
    /* remove selected item */
    intf_thread_t * p_intf = VLCIntf;
    input_thread_t *p_input =
    (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT, 
        FIND_ANYWHERE );
    
    if( !p_input ) return;

    int i_focused = [o_tbl_dataTable selectedRow];
    if( i_focused >= 0 )
    {
        input_Control( p_input, INPUT_DEL_BOOKMARK, i_focused );
    }

    vlc_object_release( p_input );
    
    [o_tbl_dataTable reloadData];
}

/*****************************************************************************
 * callback stuff
 *****************************************************************************/

-(id)getDataTable
{
    return o_tbl_dataTable;
}

/*****************************************************************************
 * data source methods
 *****************************************************************************/

- (int)numberOfRowsInTableView:(NSTableView *)theDataTable
{
    /* return the number of bookmarks */
    intf_thread_t * p_intf = VLCIntf;
    input_thread_t * p_input = (input_thread_t *)vlc_object_find( p_intf,
        VLC_OBJECT_INPUT, FIND_ANYWHERE );
    seekpoint_t **pp_bookmarks;
    int i_bookmarks;
    
    if( !p_input )
    {
        return 0;
    }
    else if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
                       &i_bookmarks ) != VLC_SUCCESS )
    {
        vlc_object_release( p_input );
        return 0;
    }
    else {
        vlc_object_release( p_input );
        return i_bookmarks;
    }
}

- (id)tableView:(NSTableView *)theDataTable objectValueForTableColumn:
    (NSTableColumn *)theTableColumn row: (int)row
{
    /* return the corresponding data as NSString */
    intf_thread_t * p_intf = VLCIntf;
    input_thread_t * p_input = (input_thread_t *)vlc_object_find( p_intf,
        VLC_OBJECT_INPUT, FIND_ANYWHERE );
    seekpoint_t **pp_bookmarks;
    int i_bookmarks;
    char * toBeReturned;
    toBeReturned = "";
    int i_toBeReturned;
    i_toBeReturned = 0;
    
    if( !p_input )
    {
        return @"";
    } 
    else if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
                       &i_bookmarks ) != VLC_SUCCESS )
    {
        vlc_object_release( p_input );
        return @"";
    }
    else
    {
        if ([[theTableColumn identifier] isEqualToString: @"description"])
        {
            toBeReturned = pp_bookmarks[row]->psz_name;
            vlc_object_release( p_input );
            return [NSString stringWithUTF8String: toBeReturned];
        } 
        else if ([[theTableColumn identifier] isEqualToString: @"size_offset"])
        {
            i_toBeReturned = pp_bookmarks[row]->i_byte_offset;
            vlc_object_release( p_input );
            return [[NSNumber numberWithInt: i_toBeReturned] stringValue];
        }
        else if ([[theTableColumn identifier] isEqualToString: @"time_offset"])
        {
            i_toBeReturned = pp_bookmarks[row]->i_time_offset;
            vlc_object_release( p_input );
            return [[NSNumber numberWithInt: (i_toBeReturned / 1000000)]
                stringValue];
        }
        else
        {
            /* may not happen, but just in case */
            vlc_object_release( p_input );
            msg_Err(p_intf, "unknown table column identifier (%s) while "
                "updating the bookmark table", [[theTableColumn identifier]

                UTF8String] );
            return @"unknown identifier";
        }
    }

}

/*****************************************************************************
 * delegate methods
 *****************************************************************************/

- (void)tableViewSelectionDidChange:(NSNotification *)aNotification
{
    /* check whether a row is selected and en-/disable the edit/remove buttons */
    if ([o_tbl_dataTable selectedRow] == -1)
    {
        /* no row is selected */
        [o_btn_edit setEnabled: NO];
        [o_btn_rm setEnabled: NO];
        [o_btn_extract setEnabled: NO];
    }
    else
    {
        /* a row is selected */
        [o_btn_edit setEnabled: YES];
        [o_btn_rm setEnabled: YES];
        if ([o_tbl_dataTable numberOfSelectedRows] == 2)
        {
            [o_btn_extract setEnabled: YES];
        }
    }
}

@end