Classes/NJMappingsController.m

   1 //
   2 //  NJMappingsController.m
   3 //  Enjoy
   4 //
   5 //  Created by Sam McCall on 4/05/09.
   6 //
   7
   8 #import "NJMappingsController.h"
   9
  10 #import "NJMapping.h"
  11 #import "NJOutput.h"
  12 #import "NJEvents.h"
  13
  14 @implementation NJMappingsController {
  15     NSMutableArray *_mappings;
  16     NJMapping *_manualMapping;
  17 }
  18
  19 - (id)init {
  20     if ((self = [super init])) {
  21         _mappings = [[NSMutableArray alloc] init];
  22         _currentMapping = [[NJMapping alloc] initWithName:
  23                            NSLocalizedString(@"(default)", @"default name for first the mapping")];
  24         _manualMapping = _currentMapping;
  25         [_mappings addObject:_currentMapping];
  26     }
  27     return self;
  28 }
  29
  30 - (NJMapping *)objectForKeyedSubscript:(NSString *)name {
  31     for (NJMapping *mapping in _mappings)
  32         if ([name isEqualToString:mapping.name])
  33             return mapping;
  34     return nil;
  35 }
  36
  37 - (NJMapping *)objectAtIndexedSubscript:(NSUInteger)idx {
  38     return idx < _mappings.count ? _mappings[idx] : nil;
  39 }
  40
  41 - (void)mappingsSet {
  42     [self postLoadProcess];
  43     [NSNotificationCenter.defaultCenter
  44         postNotificationName:NJEventMappingListChanged
  45                       object:self
  46                     userInfo:@{ NJMappingListKey: _mappings,
  47                                 NJMappingKey: _currentMapping }];
  48 }
  49
  50 - (void)mappingsChanged {
  51     [self save];
  52     [self mappingsSet];
  53 }
  54
  55 - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
  56                                   objects:(__unsafe_unretained id [])buffer
  57                                     count:(NSUInteger)len {
  58     return [_mappings countByEnumeratingWithState:state
  59                                           objects:buffer
  60                                             count:len];
  61 }
  62
  63 - (void)activateMappingForProcess:(NSRunningApplication *)app {
  64     NJMapping *oldMapping = _manualMapping;
  65     NSArray *names = app.possibleMappingNames;
  66     BOOL found = NO;
  67     for (NSString *name in names) {
  68         NJMapping *mapping = self[name];
  69         if (mapping) {
  70             [self activateMapping:mapping];
  71             found = YES;
  72             break;
  73         }
  74     }
  75
  76     if (!found) {
  77         [self activateMapping:oldMapping];
  78         if ([oldMapping.name.lowercaseString isEqualToString:@"@application"]
  79             || [oldMapping.name.lowercaseString isEqualToString:
  80                 NSLocalizedString(@"@Application", nil).lowercaseString]) {
  81             oldMapping.name = app.bestMappingName;
  82             [self mappingsChanged];
  83         }
  84     }
  85     _manualMapping = oldMapping;
  86 }
  87
  88 - (void)activateMappingForcibly:(NJMapping *)mapping {
  89     NSLog(@"Switching to mapping %@.", mapping.name);
  90     _currentMapping = mapping;
  91     NSUInteger idx = [self indexOfMapping:_currentMapping];
  92     [NSNotificationCenter.defaultCenter
  93      postNotificationName:NJEventMappingChanged
  94                   object:self
  95                 userInfo:@{ NJMappingKey : _currentMapping,
  96                             NJMappingIndexKey: @(idx) }];
  97 }
  98
  99 - (void)activateMapping:(NJMapping *)mapping {
 100     if (!mapping)
 101         mapping = _manualMapping;
 102     if (mapping == _currentMapping)
 103         return;
 104     _manualMapping = mapping;
 105     [self activateMappingForcibly:mapping];
 106 }
 107
 108 - (void)save {
 109     NSLog(@"Saving mappings to defaults.");
 110     NSMutableArray *ary = [[NSMutableArray alloc] initWithCapacity:_mappings.count];
 111     for (NJMapping *mapping in _mappings)
 112         [ary addObject:[mapping serialize]];
 113     [NSUserDefaults.standardUserDefaults setObject:ary forKey:@"mappings"];
 114 }
 115
 116 - (void)postLoadProcess {
 117     for (NJMapping *mapping in self)
 118         [mapping postLoadProcess:self];
 119 }
 120
 121 - (void)load {
 122     NSUInteger selected = [NSUserDefaults.standardUserDefaults integerForKey:@"selected"];
 123     NSArray *storedMappings = [NSUserDefaults.standardUserDefaults arrayForKey:@"mappings"];
 124     NSMutableArray* newMappings = [[NSMutableArray alloc] initWithCapacity:storedMappings.count];
 125
 126     for (NSDictionary *serialization in storedMappings)
 127         [newMappings addObject:
 128          [[NJMapping alloc] initWithSerialization:serialization]];
 129
 130     if (newMappings.count) {
 131         _mappings = newMappings;
 132         if (selected >= newMappings.count)
 133             selected = 0;
 134         [self activateMapping:_mappings[selected]];
 135         [self mappingsSet];
 136     }
 137 }
 138
 139 - (NSInteger)indexOfMapping:(NJMapping *)mapping {
 140     return [_mappings indexOfObjectIdenticalTo:mapping];
 141 }
 142
 143 - (void)mergeMapping:(NJMapping *)mapping intoMapping:(NJMapping *)existing {
 144     [existing mergeEntriesFrom:mapping];
 145     [self mappingsChanged];
 146     if (existing == _currentMapping)
 147         [self activateMappingForcibly:mapping];
 148 }
 149
 150 - (void)renameMapping:(NJMapping *)mapping to:(NSString *)name {
 151     mapping.name = name;
 152     [self mappingsChanged];
 153     if (mapping == _currentMapping)
 154         [self activateMappingForcibly:mapping];
 155 }
 156
 157 - (void)addMapping:(NJMapping *)mapping {
 158     [self insertMapping:mapping atIndex:_mappings.count];
 159 }
 160
 161 - (void)insertMapping:(NJMapping *)mapping atIndex:(NSInteger)idx {
 162     [_mappings insertObject:mapping atIndex:idx];
 163     [self mappingsChanged];
 164 }
 165
 166 - (void)removeMappingAtIndex:(NSInteger)idx {
 167     NSInteger currentIdx = [self indexOfMapping:_currentMapping];
 168     [_mappings removeObjectAtIndex:idx];
 169     [self activateMapping:self[MIN(currentIdx, _mappings.count - 1)]];
 170     [self mappingsChanged];
 171 }
 172
 173 - (void)moveMoveMappingFromIndex:(NSInteger)fromIdx toIndex:(NSInteger)toIdx {
 174     [_mappings moveObjectAtIndex:fromIdx toIndex:toIdx];
 175     [self mappingsChanged];
 176 }
 177
 178 - (NSUInteger)count {
 179     return _mappings.count;
 180 }
 181
 182 @end