lib/redact/program.rb

   1 #--
   2 # $Id: program.rb 25 2005-04-14 19:42:06Z tilman $
   3 #
   4 # Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
   5 #
   6 # Permission is hereby granted, free of charge, to any person obtaining
   7 # a copy of this software and associated documentation files (the
   8 # "Software"), to deal in the Software without restriction, including
   9 # without limitation the rights to use, copy, modify, merge, publish,
  10 # distribute, sublicense, and/or sell copies of the Software, and to
  11 # permit persons to whom the Software is furnished to do so, subject to
  12 # the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be
  15 # included in all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  21 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 module Redact
  26         class Program
  27                 TYPE_BASE = 0
  28                 TYPE_SET_STATE = 1
  29                 TYPE_STOP_PROGRAM = 2
  30                 TYPE_EMIT_SIGNAL = 3
  31                 #TYPE_SET_DRAG_VAL = 4
  32                 #TYPE_STEP_DRAG_VAL = 5
  33                 #TYPE_PAGE_DRAG_VAL = 6
  34                 TYPE_EXEC_SCRIPT = 7
  35
  36                 include Comparable
  37
  38                 attr_reader :collection, :id, :name, :after, :signal, :source,
  39                             :in_from, :in_range
  40
  41                 def initialize(collection, id, name)
  42                         @collection = collection
  43                         @id = id
  44
  45                         @name = name.to_str.dup.freeze
  46                         @type = TYPE_BASE
  47
  48                         @after = ProgramArgs.new(collection)
  49                         @in_from = 0.0
  50                         @in_range = 0.0
  51                         @signal = ""
  52                         @source = ""
  53                 end
  54
  55                 def <=>(b)
  56                         @id <=> b.id
  57                 end
  58
  59                 def signal=(v)
  60                         @signal = v.to_str.dup
  61                 end
  62
  63                 def source=(v)
  64                         @source = v.to_str.dup
  65                 end
  66
  67                 def in_from=(v)
  68                         unless v.is_a?(Float)
  69                                 raise(ArgumentError,
  70                                       "wrong argument type #{v.class.name} " +
  71                                       "(expected Float)")
  72                         end
  73
  74                         @in_from = v
  75                 end
  76
  77                 def in_range=(v)
  78                         unless v.is_a?(Float)
  79                                 raise(ArgumentError,
  80                                       "wrong argument type #{v.class.name} " +
  81                                       "(expected Float)")
  82                         end
  83
  84                         @in_range = v
  85                 end
  86
  87                 def to_eet_name
  88                         "Edje_Program"
  89                 end
  90
  91                 def to_eet_properties
  92                         {"id" => [@id],
  93                          "name" => [@name],
  94                          "action" => [@type],
  95                          "signal" => [@signal],
  96                          "source" => [@source],
  97                          "in.from" => [@in_from, :double],
  98                          "in.range" => [@in_range, :double],
  99                          "after" => [@after]}
 100                 end
 101         end
 102
 103         class SetStateProgram < Program
 104                 attr_reader :targets, :state, :value, :time
 105                 attr_accessor :mode
 106
 107                 def initialize(collection, id, name)
 108                         super
 109
 110                         @type = TYPE_SET_STATE
 111                         @state = "default"
 112                         @value = 0.0
 113                         @mode = :linear
 114                         @time = 0.0
 115                         @targets = ProgramArgs.new(collection)
 116                 end
 117
 118                 def state=(v)
 119                         @state = v.to_str.dup
 120                 end
 121
 122                 def value=(v)
 123                         unless v.is_a?(Float)
 124                                 raise(ArgumentError,
 125                                       "wrong argument type #{v.class.name} " +
 126                                       "(expected Float)")
 127                         end
 128
 129                         @value = v
 130                 end
 131
 132                 def time=(v)
 133                         unless v.is_a?(Float)
 134                                 raise(ArgumentError,
 135                                       "wrong argument type #{v.class.name} " +
 136                                       "(expected Float)")
 137                         end
 138
 139                         @time = v
 140                 end
 141
 142                 def to_eet_properties
 143                         mode = case @mode
 144                         when :linear: 1
 145                         when :sinusoidal: 2
 146                         when :accelerate: 3
 147                         when :decelerate: 4
 148                         else
 149                                 raise(RedactError, "invalid mode - #{@mode}")
 150                         end
 151
 152                         super.merge!(
 153                         {"state" => [@state],
 154                          "value" => [@value, :double],
 155                          "tween.mode" => [mode],
 156                          "tween.time" => [@time, :double],
 157                          "targets" => [@targets]})
 158                 end
 159         end
 160
 161         class StopProgramProgram < Program
 162                 def initialize(collection, id, name)
 163                         super
 164
 165                         @type = TYPE_STOP_PROGRAM
 166                         @targets = ProgramArgs.new(collection)
 167                 end
 168
 169                 def to_eet_properties
 170                         super.merge!({"targets" => [@targets]})
 171                 end
 172         end
 173
 174         class EmitSignalProgram < Program
 175                 attr_reader :emission_signal, :emission_source
 176
 177                 def initialize(collection, id, name)
 178                         super
 179
 180                         @type = TYPE_EMIT_SIGNAL
 181                         @emission_signal = nil
 182                         @emission_source = nil
 183                 end
 184
 185                 def emission_signal=(v)
 186                         @emission_signal = v.to_str.dup
 187                 end
 188
 189                 def emission_source=(v)
 190                         @emission_source = v.to_str.dup
 191                 end
 192
 193                 def to_eet_properties
 194                         super.merge!(
 195                         {"state" => [@emission_signal],
 196                          "state2" => [@emission_source]})
 197                 end
 198         end
 199
 200         class ExecScriptProgram < Program
 201                 attr_reader :script
 202
 203                 def initialize(collection, id, name)
 204                         super
 205
 206                         @type = TYPE_EXEC_SCRIPT
 207                         @script = nil
 208                 end
 209
 210                 def script=(v)
 211                         @script = v.to_str.dup
 212                 end
 213         end
 214
 215         class ProgramArgs < Array
 216                 attr_reader :collection
 217
 218                 def initialize(collection)
 219                         @collection = collection
 220                 end
 221
 222                 def <<(v)
 223                         if v.collection != @collection
 224                                 raise(ArgumentError, "items not in the same collection")
 225                         end
 226
 227                         super
 228                 end
 229         end
 230
 231         class ProgramArg
 232                 attr_reader :collection
 233
 234                 def initialize(v)
 235                         @collection = v.collection
 236                         @id = v.id
 237                 end
 238
 239                 def to_eet_properties
 240                         {"id" => [@id]}
 241                 end
 242         end
 243
 244         class ProgramAfter < ProgramArg
 245                 def to_eet_name
 246                         "Edje_Program_After"
 247                 end
 248         end
 249
 250         class ProgramTarget < ProgramArg
 251                 def to_eet_name
 252                         "Edje_Program_Target"
 253                 end
 254         end
 255 end