wizard.m

uclinux 下的vlc播放器源代码

        int x;
        BOOL anythingEnabled;
        x = 0;
        anythingEnabled = NO;
        while (x != [o_t5_matrix_encap numberOfRows])
        {
            if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
            {
                anythingEnabled = YES;
            }
            x += 1;
        }
        if (anythingEnabled == YES)
        {
            /* go the encap-tab */
            [o_tab_pageHolder selectTabViewItemAtIndex:4];
        } else {
            /* show a sheet that the selected codecs are not compatible */
            NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
                @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The " \
                "chosen codecs are not compatible with each other. For example: " \
                "It is impossibleto  mix uncompressed audio with any video codec.\n\n" \
                "Correct your selection and try again."));
        }

    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
    {
        /* get the chosen encap format and store it */
        NSNumber * theNum;
        theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
        [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];

        /* show either "Streaming 2" or "Transcode 2" to the user */
        if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
        {
            /* we are streaming */
            [o_tab_pageHolder selectTabViewItemAtIndex:5];
        }else{
            /* we are just transcoding */
            [o_tab_pageHolder selectTabViewItemAtIndex:6];
            /* in case that we are processing multiple items, let the user
             * select a folder instead of a localtion for a single item */
            if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
            {
                [o_t7_txt_saveFileTo setStringValue: 
                    _NS("Select the directory to save to")];
            }
            else
            {
                [o_t7_txt_saveFileTo setStringValue: 
                    _NS("Select the file to save to")];
            }
        }
    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
        @"Streaming 2"])
    {
        /* store the chosen TTL */
        [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];

        /* check whether SAP is enabled and store the announce, if needed */
        if ([o_t6_ckb_sap state] == NSOnState)
        {
            [o_userSelections setObject:@"YES" forKey:@"sap"];
            [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
        } else {
            [o_userSelections setObject:@"NO" forKey:@"sap"];
        }
        
        /* local playback? */
        if ([o_t6_ckb_local state] == NSOnState)
        {
            [o_userSelections setObject:@"YES" forKey:@"localPb"];
        } else {
            [o_userSelections setObject:@"NO" forKey:@"localPb"];
        }
        
        /* include subtitles? */
        [o_userSelections setObject: 
            [[NSNumber numberWithInt:[o_t6_ckb_soverlay state]] stringValue]
                             forKey: @"soverlay"];
        
        /* go to "Summary" */
        [self showSummary];
    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
        @"Transcode 2"])
    {
        /* local playback? */
        if ([o_t7_ckb_local state] == NSOnState)
        {
            [o_userSelections setObject:@"YES" forKey:@"localPb"];
        } else {
            [o_userSelections setObject:@"NO" forKey:@"localPb"];
        }

        /* check whether the path != "" and store it */
        if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
        {
            /* complain to the user that "" is no valid path for a folder/file */
            if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
                NSBeginInformationalAlertSheet(_NS("No folder selected"), \
                    _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
                    [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
                    "where to save the files has to be selected."),
                    _NS("Enter either a valid path or use the \"Choose...\" " \
                    "button to select a location.")]);
            else
                NSBeginInformationalAlertSheet(_NS("No file selected"), \
                    _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
                    [NSString stringWithFormat: @"%@\n\n%@", _NS("A file " \
                    "where to save the stream has to be selected."),
                    _NS("Enter either a valid path or use the \"Choose\" " \
                    "button to select a location.")]);
        } else {
            /* create a string containing the requested suffix for later usage */
            NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
                [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
                objectAtIndex:0];
            if( theEncapFormat == @"ps" )
                theEncapFormat = @"mpg";

            /* look whether we need to process multiple items or not.
             * choose a faster variant if we just want a single item */
            if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
            {
                NSMutableArray * tempArray = [[NSMutableArray alloc] init];
                int x = 0;
                int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
                NSMutableString * tempString = [[NSMutableString alloc] init];
                while( x != y )
                {
                    NSString * fileNameToUse;
                    /* check whether the extension is hidden or not. 
                     * if not, remove it
                     * we need the casting to make GCC4 happy */
                    if( (int)[[[NSFileManager defaultManager] fileAttributesAtPath: \
                        [[o_userSelections objectForKey:@"pathToStrm"] \
                        objectAtIndex: x] traverseLink: NO] objectForKey: \
                        NSFileExtensionHidden] == YES )
                        fileNameToUse = [NSString stringWithString:
                            [[NSFileManager defaultManager] displayNameAtPath:
                            [[o_userSelections objectForKey:@"pathToStrm"]
                            objectAtIndex: x]]];
                    else
                    {
                        int z = 0;
                        int count = [[[[NSFileManager defaultManager] \
                            displayNameAtPath: \
                            [[o_userSelections objectForKey:@"pathToStrm"] \
                            objectAtIndex: x]] \
                            componentsSeparatedByString: @"."] count];
                        fileNameToUse = @"";
                        while( z < (count - 1) )
                        {
                            fileNameToUse = [fileNameToUse stringByAppendingString:
                                [[[[NSFileManager defaultManager] \
                                displayNameAtPath: \
                                [[o_userSelections objectForKey:@"pathToStrm"] \
                                objectAtIndex: x]] \
                                componentsSeparatedByString: @"."] \
                                objectAtIndex: z]];
                            z += 1;
                        }
                    }
                    tempString = [NSString stringWithFormat: @"%@%@.%@",
                        [o_t7_fld_filePath stringValue],
                        fileNameToUse, theEncapFormat];
                    if( [[NSFileManager defaultManager] fileExistsAtPath: \
                        tempString] )
                    {
                        /* we don't wanna overwrite existing files, so add an
                         * int to the file-name */
                        int additionalInt = 1;
                        while( additionalInt < 100 )
                        {
                            tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
                                [o_t7_fld_filePath stringValue],
                                fileNameToUse, additionalInt, theEncapFormat];
                            if(! [[NSFileManager defaultManager] \
                                fileExistsAtPath: tempString] )
                                break;
                            additionalInt += 1;
                        }
                        if( additionalInt >= 100 )
                            msg_Err( VLCIntf, "Files with the same name are " \
                                "already present in the destination directory. " \
                                "Delete these files or choose a different directory." );
                    }
                    [tempArray addObject: [tempString retain]];
                    x += 1;
                }
                [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
                    forKey: @"trnscdFilePath"];
                [tempArray release];
                [tempString release];
            }
            else
            {
                /* we don't need to check for existing items because Cocoa
                 * does that already when we are asking the user for a location
                 * to save her file */
                [o_userSelections setObject: [NSArray arrayWithObject: \
                    [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
            }

            /* include subtitles ? */
            [o_userSelections setObject: 
                [[NSNumber numberWithInt:[o_t7_ckb_soverlay state]] stringValue]
                                 forKey: @"soverlay"];
            
            /* go to "Summary" */
            [self showSummary];
        }
    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
        @"Summary"])
    {
        intf_thread_t * p_intf = VLCIntf;

        playlist_t * p_playlist = (playlist_t *)vlc_object_find( p_intf,
                            VLC_OBJECT_PLAYLIST, FIND_ANYWHERE);
        if( p_playlist )
        {
            int x = 0;
            int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
            while( x != y )
            {
                /* we need a temp. variable here to work-around a GCC4-bug */
                NSString *tempString = [NSString stringWithFormat: \
                    @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
                    ( x + 1 ), y];
                playlist_item_t *p_item = playlist_ItemNew( p_playlist, \
                    [[[o_userSelections objectForKey:@"pathToStrm"] \
                    objectAtIndex:x] UTF8String], \
                    [tempString UTF8String] );
                playlist_ItemAddOption( p_item, [[[o_userSelections \
                    objectForKey:@"opts"] objectAtIndex: x] UTF8String]);

                if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
                    isEqualToString:@""] )
                {
                    playlist_ItemAddOption( p_item, [[NSString \
                        stringWithFormat: @"start-time=%@", [o_userSelections \
                        objectForKey: @"partExtractFrom"]] UTF8String] );
                }

                if(! [[o_userSelections objectForKey:@"partExtractTo"] \
                    isEqualToString:@""] )
                {
                    playlist_ItemAddOption( p_item, [[NSString \
                        stringWithFormat: @"stop-time=%@", [o_userSelections \
                        objectForKey: @"partExtractTo"]] UTF8String] );
                }

                playlist_ItemAddOption( p_item, [[NSString stringWithFormat: \
                    @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
                    UTF8String] );

                playlist_AddItem( p_playlist, p_item, PLAYLIST_STOP, PLAYLIST_END );
                
                if( x == 0 )
                    /* play the first item and add the others afterwards */ 
                    playlist_Co