Class: Device

Inherits:
Object
  • Object
show all
Defined in:
lib/device/library/windows/eject.rb,
lib/device.rb,
lib/device/library/linux.rb,
lib/device/library/windows.rb

Overview

Copyright 2013 whiteleaf. All rights reserved.

rubocop:disable Naming/MethodName rubocop:disable Naming/VariableName

Defined Under Namespace

Modules: BackupBookmarkUtility, Epub, Ibooks, Ibunko, Kindle, Kobo, Library, Reader Classes: CantEject, DontConneting, SendFailure, UnknownDevice

Constant Summary collapse

DEVICES = 
{}.tap do |h|
  [Narou.root_dir, __dir__].each do |dir|
    next unless dir # narou init 前だと root_dir は nil
    Dir.glob(File.join(dir, "device", "*.rb")).each do |path|
      name = File.basename(path, ".rb")
      unless h[name]
        if Helper.os_windows?
          # パスにマルチバイト文字が使われる可能性があるのでrequireは使えない
          eval(File.read(path, encoding: Encoding::UTF_8), binding, path)
        else
          require path
        end
        h[name] = Device.const_get(name.capitalize)
      end
    end
  end
end

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(device_name) ⇒ Device

Returns a new instance of Device.



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# File 'lib/device.rb', line 78

def initialize(device_name)
  unless Device.exists?(device_name)
    raise UnknownDevice, "#{device_name} という端末は存在しません"
  end
  @device_module = DEVICES[device_name.downcase]
  @name = @device_module::NAME
  @display_name = @device_module::DISPLAY_NAME
  @ebook_file_ext = @device_module::EBOOK_FILE_EXT
  create_device_check_methods
end

Instance Attribute Details

#display_name ⇒ Object (readonly)

Returns the value of attribute display_name.



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# File 'lib/device.rb', line 41

def display_name
  @display_name
end

#ebook_file_ext ⇒ Object (readonly)

Returns the value of attribute ebook_file_ext.



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# File 'lib/device.rb', line 41

def ebook_file_ext
  @ebook_file_ext
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/device.rb', line 41

def name
  @name
end

Class Method Details

.create(device_name) ⇒ Object 



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# File 'lib/device.rb', line 70

def self.create(device_name)
  @@device_cache ||= {}
  name = device_name.downcase
  return @@device_cache[name] ||= new(name)
end

.exists?(device) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/device.rb', line 66

def self.exists?(device)
  DEVICES.include?(device.downcase)
end

.support_eject? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/device.rb', line 102

def self.support_eject?
  respond_to?(:eject)
end

Instance Method Details

#connecting? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/device.rb', line 89

def connecting?
  physical_support? && !!get_documents_path
end

#copy_to_documents(src_file) ⇒ Object 



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# File 'lib/device.rb', line 143

def copy_to_documents(src_file)
  documents_path = get_documents_path
  if documents_path
    dst_path = File.join(documents_path, File.basename(src_file))
    # Rubyでコピーするのは遅いのでOSのコマンドを叩く
    case Helper.determine_os
    when :windows
      cmd = "copy /B " + %!"#{src_file}" "#{dst_path}"!.gsub("/", "\\").encode(Encoding::Windows_31J)
      res = Helper::AsyncCommand.exec(cmd)
      unless res[2].success?
        raise SendFailure, res[1].force_encoding(Encoding::Windows_31J).encode(Encoding::UTF_8).rstrip
      end
    else
      res = Helper::AsyncCommand.exec(%!cp "#{src_file}" "#{dst_path}"!)
      unless res[2].success?
        # cp コマンドで送信失敗するとファイルがぶっ壊れたり０バイトのファイルが作られる
        # ので一旦削除しておく
        File.delete(dst_path) if File.exist?(dst_path)
        raise SendFailure, res[1].rstrip
      end
    end
    if Narou.economy?("send_delete")
      FileUtils.rm_f(src_file)
    end
    dst_path
  else
    nil
  end
rescue SendFailure => e
  puts
  error $@.shift + ": #{e.message} (#{e.class})"
  exit Narou::EXIT_ERROR_CODE
end

#ebook_file_old?(src_file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/device.rb', line 132

def ebook_file_old?(src_file)
  documents_path = get_documents_path
  if documents_path
    dst_path = File.join(documents_path, File.basename(src_file))
    if File.exist?(dst_path)
      return File.mtime(src_file) > File.mtime(dst_path)
    end
  end
  true
end

#eject ⇒ Object 



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# File 'lib/device.rb', line 93

def eject
  return unless ejectable?

  Device.eject(@device_module::VOLUME_NAME)
  yield if block_given?
rescue CantEject => e
  error e.message
end

#ejectable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/device.rb', line 106

def ejectable?
  if Device.respond_to?(:ejectable?)
    Device.ejectable?(@device_module::VOLUME_NAME)
  else
    Device.support_eject? && connecting?
  end
end

#find_documents_directory(device_root_dir) ⇒ Object 



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# File 'lib/device.rb', line 114

def find_documents_directory(device_root_dir)
  @device_module::DOCUMENTS_PATH_LIST.each do |documents_path|
    documents_directory = File.join(device_root_dir, documents_path)
    return documents_directory if File.directory?(documents_directory)
  end
  nil
end

#get_documents_path ⇒ Object 



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# File 'lib/device.rb', line 122

def get_documents_path
  if Device.respond_to?(:get_device_root_dir)
    dir = Device.get_device_root_dir(@device_module::VOLUME_NAME)
    if dir
      return find_documents_directory(dir)
    end
  end
  nil
end

#get_hook_module ⇒ Object 



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# File 'lib/device.rb', line 181

def get_hook_module
  @device_module
end

#get_relative_variables ⇒ Object 



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# File 'lib/device.rb', line 185

def get_relative_variables
  if @device_module.const_defined?(:RELATED_VARIABLES)
    @device_module::RELATED_VARIABLES
  else
    {}
  end
end

#physical_support? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/device.rb', line 177

def physical_support?
  @device_module::PHYSICAL_SUPPORT
end