intf.m

uclinux 下的vlc播放器源代码

    }
}

- (char *)delocalizeString:(NSString *)id
{
    NSData * o_data = [id dataUsingEncoding: NSUTF8StringEncoding
                          allowLossyConversion: NO];
    char * psz_string;

    if ( o_data == nil )
    {
        o_data = [id dataUsingEncoding: NSUTF8StringEncoding
                     allowLossyConversion: YES];
        psz_string = malloc( [o_data length] + 1 );
        [o_data getBytes: psz_string];
        psz_string[ [o_data length] ] = '\0';
        msg_Err( VLCIntf, "cannot convert to the requested encoding: %s",
                 psz_string );
    }
    else
    {
        psz_string = malloc( [o_data length] + 1 );
        [o_data getBytes: psz_string];
        psz_string[ [o_data length] ] = '\0';
    }

    return psz_string;
}

/* i_width is in pixels */
- (NSString *)wrapString: (NSString *)o_in_string toWidth: (int) i_width
{
    NSMutableString *o_wrapped;
    NSString *o_out_string;
    NSRange glyphRange, effectiveRange, charRange;
    NSRect lineFragmentRect;
    unsigned glyphIndex, breaksInserted = 0;

    NSTextStorage *o_storage = [[NSTextStorage alloc] initWithString: o_in_string
        attributes: [NSDictionary dictionaryWithObjectsAndKeys:
        [NSFont labelFontOfSize: 0.0], NSFontAttributeName, nil]];
    NSLayoutManager *o_layout_manager = [[NSLayoutManager alloc] init];
    NSTextContainer *o_container = [[NSTextContainer alloc]
        initWithContainerSize: NSMakeSize(i_width, 2000)];

    [o_layout_manager addTextContainer: o_container];
    [o_container release];
    [o_storage addLayoutManager: o_layout_manager];
    [o_layout_manager release];

    o_wrapped = [o_in_string mutableCopy];
    glyphRange = [o_layout_manager glyphRangeForTextContainer: o_container];

    for( glyphIndex = glyphRange.location ; glyphIndex < NSMaxRange(glyphRange) ;
            glyphIndex += effectiveRange.length) {
        lineFragmentRect = [o_layout_manager lineFragmentRectForGlyphAtIndex: glyphIndex
                                            effectiveRange: &effectiveRange];
        charRange = [o_layout_manager characterRangeForGlyphRange: effectiveRange
                                    actualGlyphRange: &effectiveRange];
        if ([o_wrapped lineRangeForRange:
                NSMakeRange(charRange.location + breaksInserted, charRange.length)].length > charRange.length) {
            [o_wrapped insertString: @"\n" atIndex: NSMaxRange(charRange) + breaksInserted];
            breaksInserted++;
        }
    }
    o_out_string = [NSString stringWithString: o_wrapped];
    [o_wrapped release];
    [o_storage release];

    return o_out_string;
}


/*****************************************************************************
 * hasDefinedShortcutKey: Check to see if the key press is a defined VLC
 * shortcut key.  If it is, pass it off to VLC for handling and return YES,
 * otherwise ignore it and return NO (where it will get handled by Cocoa).
 *****************************************************************************/
- (BOOL)hasDefinedShortcutKey:(NSEvent *)o_event
{
    unichar key = 0;
    vlc_value_t val;
    unsigned int i_pressed_modifiers = 0;
    struct hotkey *p_hotkeys;
    int i;

    val.i_int = 0;
    p_hotkeys = p_intf->p_vlc->p_hotkeys;

    i_pressed_modifiers = [o_event modifierFlags];

    if( i_pressed_modifiers & NSShiftKeyMask )
        val.i_int |= KEY_MODIFIER_SHIFT;
    if( i_pressed_modifiers & NSControlKeyMask )
        val.i_int |= KEY_MODIFIER_CTRL;
    if( i_pressed_modifiers & NSAlternateKeyMask )
        val.i_int |= KEY_MODIFIER_ALT;
    if( i_pressed_modifiers & NSCommandKeyMask )
        val.i_int |= KEY_MODIFIER_COMMAND;

    key = [[o_event charactersIgnoringModifiers] characterAtIndex: 0];

    switch( key )
    {
        case NSDeleteCharacter:
        case NSDeleteFunctionKey:
        case NSDeleteCharFunctionKey:
        case NSBackspaceCharacter:
        case NSUpArrowFunctionKey:
        case NSDownArrowFunctionKey:
        case NSRightArrowFunctionKey:
        case NSLeftArrowFunctionKey:
        case NSEnterCharacter:
        case NSCarriageReturnCharacter:
            return NO;
    }

    val.i_int |= CocoaKeyToVLC( key );

    for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
    {
        if( p_hotkeys[i].i_key == val.i_int )
        {
            var_Set( p_intf->p_vlc, "key-pressed", val );
            return YES;
        }
    }

    return NO;
}

- (id)getControls
{
    if ( o_controls )
    {
        return o_controls;
    }
    return nil;
}

- (id)getPlaylist
{
    if ( o_playlist )
    {
        return o_playlist;
    }
    return nil;
}

- (id)getInfo
{
    if ( o_info )
    {
        return o_info;
    }
    return nil;
}

- (id)getWizard
{
    if ( o_wizard )
    {
        return o_wizard;
    }
    return nil;
}

- (id)getBookmarks
{
    if ( o_bookmarks )
    {
        return o_bookmarks;
    }
    return nil;
}

- (id)getEmbeddedList
{
    if( o_embedded_list )
    {
        return o_embedded_list;
    }
    return nil;
}

- (id)getInteractionList
{
    if( o_interaction_list )
    {
        return o_interaction_list;
    }
    return nil;
}

- (id)getVoutMenu
{
    return o_vout_menu;
}

- (void)manage
{
    playlist_t * p_playlist;

    /* new thread requires a new pool */
    NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];

    vlc_thread_set_priority( p_intf, VLC_THREAD_PRIORITY_LOW );

    p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                              FIND_ANYWHERE );

    if( p_playlist != NULL )
    {
        var_AddCallback( p_playlist, "intf-change", PlaylistChanged, self );
        var_AddCallback( p_playlist, "item-change", PlaylistChanged, self );
        var_AddCallback( p_playlist, "item-append", PlaylistChanged, self );
        var_AddCallback( p_playlist, "item-deleted", PlaylistChanged, self );
        var_AddCallback( p_playlist, "playlist-current", PlaylistChanged, self );

        vlc_object_release( p_playlist );
    }

    while( !p_intf->b_die )
    {
        vlc_mutex_lock( &p_intf->change_lock );


        if( p_intf->p_sys->p_input == NULL )
        {
            p_intf->p_sys->p_input = p_playlist->p_input;

                /* Refresh the interface */
            if( p_intf->p_sys->p_input )
            {
                msg_Dbg( p_intf, "input has changed, refreshing interface" );
                p_intf->p_sys->b_input_update = VLC_TRUE;
            }
        }
        else if( p_intf->p_sys->p_input->b_die || p_intf->p_sys->p_input->b_dead )
        {
            /* input stopped */
            p_intf->p_sys->b_intf_update = VLC_TRUE;
            p_intf->p_sys->i_play_status = END_S;
            [self setScrollField: _NS("VLC media player") stopAfter:-1];
            msg_Dbg( p_intf, "input has stopped, refreshing interface" );
            p_intf->p_sys->p_input = NULL;
        }

        /* Manage volume status */
        [self manageVolumeSlider];

        vlc_mutex_unlock( &p_intf->change_lock );
        msleep( 100000 );
    }
    [o_pool release];
}

- (void)manageIntf:(NSTimer *)o_timer
{
    vlc_value_t val;

    if( p_intf->p_vlc->b_die == VLC_TRUE )
    {
        [o_timer invalidate];
        return;
    }

    if( p_intf->p_sys->b_input_update )
    {
        /* Called when new input is opened */
        p_intf->p_sys->b_current_title_update = VLC_TRUE;
        p_intf->p_sys->b_intf_update = VLC_TRUE;
        p_intf->p_sys->b_input_update = VLC_FALSE;
    }
    if( p_intf->p_sys->b_intf_update )
    {
        vlc_bool_t b_input = VLC_FALSE;
        vlc_bool_t b_plmul = VLC_FALSE;
        vlc_bool_t b_control = VLC_FALSE;
        vlc_bool_t b_seekable = VLC_FALSE;
        vlc_bool_t b_chapters = VLC_FALSE;

        playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                                   FIND_ANYWHERE );
        b_plmul = p_playlist->i_size > 1;

        vlc_object_release( p_playlist );

        if( ( b_input = ( p_intf->p_sys->p_input != NULL ) ) )
        {
            vlc_object_yield( p_intf->p_sys->p_input );
            /* seekable streams */
            b_seekable = var_GetBool( p_intf->p_sys->p_input, "seekable" );

            /* check wether slow/fast motion is possible*/
            b_control = p_intf->p_sys->p_input->input.b_can_pace_control;

            /* chapters & titles */
            //b_chapters = p_intf->p_sys->p_input->stream.i_area_nb > 1;
            vlc_object_release( p_intf->p_sys->p_input );
        }

        [o_btn_stop setEnabled: b_input];
        [o_btn_ff setEnabled: b_seekable];
        [o_btn_rewind setEnabled: b_seekable];
        [o_btn_prev setEnabled: (b_plmul || b_chapters)];
        [o_btn_next setEnabled: (b_plmul || b_chapters)];

        [o_timeslider setFloatValue: 0.0];
        [o_timeslider setEnabled: b_seekable];
        [o_timefield setStringValue: @"0:00:00"];
        [[[self getControls] getFSPanel] setStreamPos: 0 andTime: @"0:00:00"];
        [[[self getControls] getFSPanel] setSeekable: b_seekable];

        [o_embedded_window setSeekable: b_seekable];

        p_intf->p_sys->b_intf_update = VLC_FALSE;
    }

    if( p_intf->p_sys->b_playmode_update )
    {
        [o_playlist playModeUpdated];
        p_intf->p_sys->b_playmode_update = VLC_FALSE;
    }
    if( p_intf->p_sys->b_playlist_update )
    {
        [o_playlist playlistUpdated];
        p_intf->p_sys->b_playlist_update = VLC_FALSE;
    }

    if( p_intf->p_sys->b_fullscreen_update )
    {
        playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                                   FIND_ANYWHERE );
        var_Get( p_playlist, "fullscreen", &val );
        [o_embedded_window setFullscreen: val.b_bool];
        vlc_object_release( p_playlist );

        p_intf->p_sys->b_fullscreen_update = VLC_FALSE;
    }

    if( p_intf->p_sys->b_intf_show )
    {
        [o_window makeKeyAndOrderFront: self];

        p_intf->p_sys->b_intf_show = VLC_FALSE;
    }

    if( p_intf->p_sys->p_input && !p_intf->p_sys->p_input->b_die )
    {
        vlc_value_t val;

        if( p_intf->p_sys->b_current_title_update )
        {
            NSString *o_temp;
            playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                                       FIND_ANYWHERE );

            if( p_playlist == NULL || p_playlist->status.p_item == NULL )
            {
                return;
            }
            o_temp = [NSString stringWithUTF8String:
                p_playlist->status.p_item->input.psz_name];
            if( o_temp == NULL )
                o_temp = [NSString stringWithCString:
                    p_playlist->status.p_item->input.psz_name];
            [self setScrollField: o_temp stopAfter:-1];
            [[[self getControls] getFSPanel] setStreamTitle: o_temp];

            [[o_controls getVoutView] updateTitle];
            
            [o_playlist updateRowSelection];
            vlc_object_release( p_playlist );
            p_intf->p_sys->b_current_title_update = FALSE;
        }

        if( p_intf->p_sys->p_input && [o_timeslider isEnabled] )
        {
            /* Update the slider */
            vlc_value_t time;
            NSString * o_time;
            mtime_t i_seconds;
            vlc_value_t pos;
            float f_updated;

            var_Get( p_intf->p_sys->p_input, "position", &pos );
            f_updated = 10000. * pos.f_float;
            [o_timeslider setFloatValue: f_updated];

            var_Get( p_intf->p_sys->p_input, "time", &time );
            i_seconds = time.i_time / 1000000;