controls.m

uclinux 下的vlc播放器源代码

                                 val_list.p_list->p_values[i].i_int];

            o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
            o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
                    Value: val_list.p_list->p_values[i] ofType: i_type];
            [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
            [o_lmi setTarget: self];

            if( val_list.p_list->p_values[i].i_int == val.i_int && !( i_type & VLC_VAR_ISCOMMAND ) )
                [o_lmi setState: TRUE ];
            break;

        default:
          break;
        }
    }

    /* clean up everything */
    if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
    var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
}

- (IBAction)toggleVar:(id)sender
{
    NSMenuItem *o_mi = (NSMenuItem *)sender;
    VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
    [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
        toTarget: self withObject: o_data];

    return;
}

- (int)toggleVarThread: (id)_o_data
{
    vlc_object_t *p_object;
    NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
    VLCMenuExt *o_data = (VLCMenuExt *)_o_data;

    vlc_thread_set_priority( VLCIntf , VLC_THREAD_PRIORITY_LOW );

    p_object = (vlc_object_t *)vlc_object_get( VLCIntf,
                                    [o_data objectID] );

    if( p_object != NULL )
    {
        var_Set( p_object, strdup([o_data name]), [o_data value] );
        vlc_object_release( p_object );
        [o_pool release];
        return VLC_TRUE;
    }
    [o_pool release];
    return VLC_EGENERIC;
}

- (IBAction)goToSpecificTime:(id)sender
{
    if( sender == o_specificTime_cancel_btn )
    {
        [NSApp endSheet: o_specificTime_win];
        [o_specificTime_win close];
    }
    else if( sender == o_specificTime_ok_btn )
    {
        input_thread_t * p_input = (input_thread_t *)vlc_object_find( VLCIntf, \
            VLC_OBJECT_INPUT, FIND_ANYWHERE );
        if( p_input )
        {
            unsigned int timeInSec = 0;
            NSString * fieldContent = [o_specificTime_enter_fld stringValue];
            if( [[fieldContent componentsSeparatedByString: @":"] count] > 1 && 
                [[fieldContent componentsSeparatedByString: @":"] count] <= 3 )
            {
                NSArray * ourTempArray = \
                    [fieldContent componentsSeparatedByString: @":"];

                if( [[fieldContent componentsSeparatedByString: @":"] count] == 3 )
                {
                    timeInSec += ([[ourTempArray objectAtIndex: 0] intValue] * 3600); //h
                    timeInSec += ([[ourTempArray objectAtIndex: 1] intValue] * 60); //m
                    timeInSec += [[ourTempArray objectAtIndex: 2] intValue];        //s
                }
                else
                {
                    timeInSec += ([[ourTempArray objectAtIndex: 0] intValue] * 60); //m
                    timeInSec += [[ourTempArray objectAtIndex: 1] intValue]; //s
                }
            }
            else
                timeInSec = [fieldContent intValue];

            input_Control( p_input, INPUT_SET_TIME, (int64_t)(timeInSec * 1000000));
            vlc_object_release( p_input );
        }
    
        [NSApp endSheet: o_specificTime_win];
        [o_specificTime_win close];
    }
    else
    {
        input_thread_t * p_input = (input_thread_t *)vlc_object_find( VLCIntf, \
            VLC_OBJECT_INPUT, FIND_ANYWHERE );
        if( p_input )
        {
            /* we can obviously only do that if an input is available */
            vlc_value_t pos, length;
            var_Get( p_input, "time", &pos );
            [o_specificTime_enter_fld setIntValue: (pos.i_time / 1000000)];
            var_Get( p_input, "length", &length );
            [o_specificTime_stepper setMaxValue: (length.i_time / 1000000)];

            [NSApp beginSheet: o_specificTime_win modalForWindow: \
                [NSApp mainWindow] modalDelegate: self didEndSelector: nil \
                contextInfo: nil];
            [o_specificTime_win makeKeyWindow];
            vlc_object_release( p_input );
        }
    }
}

- (id)getFSPanel
{
    if( o_fs_panel )
        return o_fs_panel;
    else
    {
        msg_Err( VLCIntf, "FSPanel is nil" );
        return NULL;
    }
}
@end

@implementation VLCControls (NSMenuValidation)

- (BOOL)validateMenuItem:(NSMenuItem *)o_mi
{
    BOOL bEnabled = TRUE;
    vlc_value_t val;
    intf_thread_t * p_intf = VLCIntf;
    playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                                       FIND_ANYWHERE );

    if( p_playlist != NULL )
    {
        vlc_mutex_lock( &p_playlist->object_lock );
    }
    else return FALSE;

#define p_input p_playlist->p_input

    if( [[o_mi title] isEqualToString: _NS("Faster")] ||
        [[o_mi title] isEqualToString: _NS("Slower")] )
    {
        if( p_input != NULL )
        {
            bEnabled = p_input->input.b_can_pace_control;
        }
        else
        {
            bEnabled = FALSE;
        }
    }
    else if( [[o_mi title] isEqualToString: _NS("Stop")] )
    {
        if( p_input == NULL )
        {
            bEnabled = FALSE;
        }
        [o_main setupMenus]; /* Make sure input menu is up to date */
    }
    else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
             [[o_mi title] isEqualToString: _NS("Next")] )
    {
            bEnabled = p_playlist->i_size > 1;
    }
    else if( [[o_mi title] isEqualToString: _NS("Random")] )
    {
        int i_state;
        var_Get( p_playlist, "random", &val );
        i_state = val.b_bool ? NSOnState : NSOffState;
        [o_mi setState: i_state];
    }
    else if( [[o_mi title] isEqualToString: _NS("Repeat One")] )
    {
        int i_state;
        var_Get( p_playlist, "repeat", &val );
        i_state = val.b_bool ? NSOnState : NSOffState;
        [o_mi setState: i_state];
    }
    else if( [[o_mi title] isEqualToString: _NS("Repeat All")] )
    {
        int i_state;
        var_Get( p_playlist, "loop", &val );
        i_state = val.b_bool ? NSOnState : NSOffState;
        [o_mi setState: i_state];
    }
    else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
             [[o_mi title] isEqualToString: _NS("Step Backward")] ||
             [[o_mi title] isEqualToString: _NS("Jump To Time")])
    {
        if( p_input != NULL )
        {
            var_Get( p_input, "seekable", &val);
            bEnabled = val.b_bool;
        }
        else bEnabled = FALSE;
    }
    else if( [[o_mi title] isEqualToString: _NS("Mute")] )
    {
        [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
        [o_main setupMenus]; /* Make sure audio menu is up to date */
    }
    else if( [[o_mi title] isEqualToString: _NS("Half Size")] ||
                [[o_mi title] isEqualToString: _NS("Normal Size")] ||
                [[o_mi title] isEqualToString: _NS("Double Size")] ||
                [[o_mi title] isEqualToString: _NS("Fit to Screen")] ||
                [[o_mi title] isEqualToString: _NS("Snapshot")] ||
                [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
                [[o_mi title] isEqualToString: _NS("Float on Top")] )
    {
        id o_window;
        NSArray *o_windows = [NSApp orderedWindows];
        NSEnumerator *o_enumerator = [o_windows objectEnumerator];
        bEnabled = FALSE;
        
        vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
                                              FIND_ANYWHERE );
        if( p_vout != NULL )
        {
            if( [[o_mi title] isEqualToString: _NS("Float on Top")] )
            {
                var_Get( p_vout, "video-on-top", &val );
                [o_mi setState: val.b_bool ?  NSOnState : NSOffState];
            }

            while( (o_window = [o_enumerator nextObject]))
            {
                if( [[o_window className] isEqualToString: @"VLCWindow"] ||
                            [[[VLCMain sharedInstance] getEmbeddedList]
                            windowContainsEmbedded: o_window])
                {
                    bEnabled = TRUE;
                    break;
                }
            }
            vlc_object_release( (vlc_object_t *)p_vout );
        }
        else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] )
        {
            var_Get( p_playlist, "fullscreen", &val );
            [o_mi setState: val.b_bool];
            bEnabled = TRUE;
        }
        [o_main setupMenus]; /* Make sure video menu is up to date */
    }

    vlc_mutex_unlock( &p_playlist->object_lock );
    vlc_object_release( p_playlist );

    return( bEnabled );
}

@end

/*****************************************************************************
 * VLCMenuExt implementation 
 *****************************************************************************
 * Object connected to a playlistitem which remembers the data belonging to
 * the variable of the autogenerated menu
 *****************************************************************************/
@implementation VLCMenuExt

- (id)initWithVar: (const char *)_psz_name Object: (int)i_id
        Value: (vlc_value_t)val ofType: (int)_i_type
{
    self = [super init];

    if( self != nil )
    {
        psz_name = strdup( _psz_name );
        i_object_id = i_id;
        value = val;
        i_type = _i_type;
    }

    return( self );
}

- (void)dealloc
{
    free( psz_name );
    [super dealloc];
}

- (char *)name
{
    return psz_name;
}

- (int)objectID
{
    return i_object_id;
}

- (vlc_value_t)value
{
    return value;
}

- (int)type
{
    return i_type;
}

@end


/*****************************************************************************
 * VLCTimeField implementation 
 *****************************************************************************
 * we need this to catch our click-event in the controller window
 *****************************************************************************/

@implementation VLCTimeField
- (void)mouseDown: (NSEvent *)ourEvent
{
    if( [ourEvent clickCount] > 1 )
        [[[VLCMain sharedInstance] getControls] goToSpecificTime: nil];
}
@end