intf.m

来自「VLC媒体播放程序」· M 代码 · 共 1,410 行 · 第 1/4 页

{
    audio_volume_t i_volume;
    intf_thread_t * p_intf = [NSApp getIntf];

    aout_VolumeGet( p_intf, &i_volume );

    [o_volumeslider setFloatValue: (float)i_volume / AOUT_VOLUME_STEP]; 
    [o_volumeslider setEnabled: TRUE];

    p_intf->p_sys->b_mute = ( i_volume == 0 );
}

- (IBAction)timesliderUpdate:(id)sender
{
    intf_thread_t * p_intf;
    input_thread_t * p_input;
    float f_updated;

    switch( [[NSApp currentEvent] type] )
    {
        case NSLeftMouseUp:
        case NSLeftMouseDown:
        case NSLeftMouseDragged:
            f_updated = [sender floatValue];
            break;

        default:
            return;
    }

    p_intf = [NSApp getIntf];
    p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
                                            FIND_ANYWHERE );

    if( p_input != NULL )
    {
        vlc_value_t time;
        mtime_t i_seconds;
        NSString * o_time;

        if( p_input->stream.b_seekable )
        {
                vlc_value_t pos;
                pos.f_float = f_updated / 10000.;
                if( f_slider != f_updated )
                {
                    var_Set( p_input, "position", pos );
                    [o_timeslider setFloatValue: f_updated];
                }
        }
            
        var_Get( p_input, "time", &time );
        i_seconds = time.i_time / 1000000;
        
        o_time = [NSString stringWithFormat: @"%d:%02d:%02d",
                        (int) (i_seconds / (60 * 60)),
                        (int) (i_seconds / 60 % 60),
                        (int) (i_seconds % 60)];
        [o_timefield setStringValue: o_time];
        vlc_object_release( p_input );
    }
}

- (void)terminate
{
    NSEvent * o_event;
    playlist_t * p_playlist;
    vout_thread_t * p_vout;
    intf_thread_t * p_intf = [NSApp getIntf];

    /* Stop playback */
    if( ( p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                        FIND_ANYWHERE ) ) )
    {
        playlist_Stop( p_playlist );
        vlc_object_release( p_playlist );
    }

    /* FIXME - Wait here until all vouts are terminated because
       libvlc's VLC_Stop destroys interfaces before vouts, which isn't
       good on OS X. We definitly need a cleaner way to handle this,
       but this may hopefully be good enough for now.
         -- titer 2003/11/22 */
    while( ( p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
                                       FIND_ANYWHERE ) ) )
    {
        vlc_object_release( p_vout );
        msleep( 100000 );
    }
    msleep( 500000 );

    if( o_img_pause_pressed != nil )
    {
        [o_img_pause_pressed release];
        o_img_pause_pressed = nil;
    }
    
    if( o_img_pause_pressed != nil )
    {
        [o_img_pause_pressed release];
        o_img_pause_pressed = nil;
    }
    
    if( o_img_pause != nil )
    {
        [o_img_pause release];
        o_img_pause = nil;
    }

    if( o_img_play != nil )
    {
        [o_img_play release];
        o_img_play = nil;
    }

    if( o_msg_arr != nil )
    {
        [o_msg_arr removeAllObjects];
        [o_msg_arr release];
        o_msg_arr = nil;
    }

    if( o_msg_lock != nil )
    {
        [o_msg_lock release];
        o_msg_lock = nil;
    }

    [NSApp stop: nil];

    /* write cached user defaults to disk */
    [[NSUserDefaults standardUserDefaults] synchronize];

    /* send a dummy event to break out of the event loop */
    o_event = [NSEvent mouseEventWithType: NSLeftMouseDown
                location: NSMakePoint( 1, 1 ) modifierFlags: 0
                timestamp: 1 windowNumber: [[NSApp mainWindow] windowNumber]
                context: [NSGraphicsContext currentContext] eventNumber: 1
                clickCount: 1 pressure: 0.0];
    [NSApp postEvent: o_event atStart: YES];
}

- (IBAction)clearRecentItems:(id)sender
{
    [[NSDocumentController sharedDocumentController]
                          clearRecentDocuments: nil];
}

- (void)openRecentItem:(id)sender
{
    [self application: nil openFile: [sender title]]; 
}

- (IBAction)viewPreferences:(id)sender
{
    [o_prefs showPrefs];
}

- (IBAction)closeError:(id)sender
{
    vlc_value_t val;
    intf_thread_t * p_intf = [NSApp getIntf];
    
    if( [o_err_ckbk_surpress state] == NSOnState )
    {
        val.i_int = -1;
        var_Set( p_intf->p_vlc, "verbose", val );
    }
    [o_err_msg setString: @""];
    [o_error performClose: self];
}

- (IBAction)openReadMe:(id)sender
{
    NSString * o_path = [[NSBundle mainBundle] 
        pathForResource: @"README.MacOSX" ofType: @"rtf"]; 

    [[NSWorkspace sharedWorkspace] openFile: o_path 
                                   withApplication: @"TextEdit"];
}

- (IBAction)openDocumentation:(id)sender
{
    NSURL * o_url = [NSURL URLWithString: 
        @"http://www.videolan.org/doc/"];

    [[NSWorkspace sharedWorkspace] openURL: o_url];
}

- (IBAction)reportABug:(id)sender
{
    NSURL * o_url = [NSURL URLWithString: 
        @"http://www.videolan.org/support/bug-reporting.html"];

    [[NSWorkspace sharedWorkspace] openURL: o_url];
}

- (IBAction)openWebsite:(id)sender
{
    NSURL * o_url = [NSURL URLWithString: @"http://www.videolan.org/"];

    [[NSWorkspace sharedWorkspace] openURL: o_url];
}

- (IBAction)openLicense:(id)sender
{
    NSString * o_path = [[NSBundle mainBundle] 
        pathForResource: @"COPYING" ofType: nil];

    [[NSWorkspace sharedWorkspace] openFile: o_path 
                                   withApplication: @"TextEdit"];
}

- (IBAction)openCrashLog:(id)sender
{
    NSString * o_path = [@"~/Library/Logs/CrashReporter/VLC.crash.log"
                                    stringByExpandingTildeInPath]; 

    
    if ( [[NSFileManager defaultManager] fileExistsAtPath: o_path ] )
    {
        [[NSWorkspace sharedWorkspace] openFile: o_path 
                                    withApplication: @"Console"];
    }
    else
    {
        NSBeginInformationalAlertSheet(_NS("No CrashLog found"), @"Continue", nil, nil, o_msgs_panel, self, NULL, NULL, nil, _NS("Either you are running Mac OS X pre 10.2 or you haven't experienced any heavy crashes yet.") );

    }
}

- (void)windowDidBecomeKey:(NSNotification *)o_notification
{
    if( [o_notification object] == o_msgs_panel )
    {
        id o_msg;
        NSEnumerator * o_enum;

        [o_messages setString: @""]; 

        [o_msg_lock lock];

        o_enum = [o_msg_arr objectEnumerator];

        while( ( o_msg = [o_enum nextObject] ) != nil )
        {
            [o_messages insertText: o_msg];
        }

        [o_msg_lock unlock];
    }
}

@end

@implementation VLCMain (NSMenuValidation)

- (BOOL)validateMenuItem:(NSMenuItem *)o_mi
{
    NSString *o_title = [o_mi title];
    BOOL bEnabled = TRUE;

    if( [o_title isEqualToString: _NS("License")] )
    {
        /* we need to do this only once */
        [self setupMenus];
    }

    /* Recent Items Menu */
    if( [o_title isEqualToString: _NS("Clear Menu")] )
    {
        NSMenu * o_menu = [o_mi_open_recent submenu];
        int i_nb_items = [o_menu numberOfItems];
        NSArray * o_docs = [[NSDocumentController sharedDocumentController]
                                                       recentDocumentURLs];
        UInt32 i_nb_docs = [o_docs count];

        if( i_nb_items > 1 )
        {
            while( --i_nb_items )
            {
                [o_menu removeItemAtIndex: 0];
            }
        }

        if( i_nb_docs > 0 )
        {
            NSURL * o_url;
            NSString * o_doc;

            [o_menu insertItem: [NSMenuItem separatorItem] atIndex: 0];

            while( TRUE )
            {
                i_nb_docs--;

                o_url = [o_docs objectAtIndex: i_nb_docs];

                if( [o_url isFileURL] )
                {
                    o_doc = [o_url path];
                }
                else
                {
                    o_doc = [o_url absoluteString];
                }

                [o_menu insertItemWithTitle: o_doc
                    action: @selector(openRecentItem:)
                    keyEquivalent: @"" atIndex: 0]; 

                if( i_nb_docs == 0 )
                {
                    break;
                }
            } 
        }
        else
        {
            bEnabled = FALSE;
        }
    }
    return( bEnabled );
}

@end

@implementation VLCMain (Internal)

- (void)handlePortMessage:(NSPortMessage *)o_msg
{
    id ** val;
    NSData * o_data;
    NSValue * o_value;
    NSInvocation * o_inv;
    NSConditionLock * o_lock;
 
    o_data = [[o_msg components] lastObject];
    o_inv = *((NSInvocation **)[o_data bytes]); 
    [o_inv getArgument: &o_value atIndex: 2];
    val = (id **)[o_value pointerValue];
    [o_inv setArgument: val[1] atIndex: 2];
    o_lock = *(val[0]);

    [o_lock lock];
    [o_inv invoke];
    [o_lock unlockWithCondition: 1];
}

@end