Class: Browser::FileList::File

Inherits:
Object
  • Object
show all
Defined in:
lib/browser/file_list.rb

Overview

An individual item in a FileList

Defined Under Namespace

Classes: FileReader

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(native) ⇒ File

Returns a new instance of File.

Parameters:

  • native (JS) —

    the native File object to wrap



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# File 'lib/browser/file_list.rb', line 50

def initialize native
  @native = native
  @data = nil
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/browser/file_list.rb', line 47

def data
  @data
end

Instance Method Details

#last_modified ⇒ Time

Returns the timestamp of the file.

Returns:

  • (Time) —

    the timestamp of the file



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# File 'lib/browser/file_list.rb', line 71

def last_modified
  `#@native.lastModifiedDate`
end

#name ⇒ String

Returns the filename.

Returns:

  • (String) —

    the filename



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# File 'lib/browser/file_list.rb', line 56

def name
  `#@native.name`
end

#read ⇒ Promise

Read the file from disk into memory

Returns:

  • (Promise) —

    a promise that resolves when finished loading and rejects if an error occurs while loading.



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# File 'lib/browser/file_list.rb', line 79

def read
  promise = Promise.new
  reader = FileReader.new
  reader.on :load do
    result = reader.result

    @data = result
    promise.resolve result
  end

  reader.on :error do
    promise.reject reader.result
  end

  reader.read_as_binary_string self

  promise
end

#size ⇒ Integer

Returns the size of this file on disk.

Returns:

  • (Integer) —

    the size of this file on disk



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# File 'lib/browser/file_list.rb', line 61

def size
  `#@native.size`
end

#to_n ⇒ JS.HTMLElement

Convert to the native object

Returns:

  • (JS.HTMLElement) —

    the underlying native element



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# File 'lib/browser/file_list.rb', line 101

def to_n
  @native
end

#type ⇒ String

Returns the MIME type of the file, detected by the browser.

Returns:

  • (String) —

    the MIME type of the file, detected by the browser



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# File 'lib/browser/file_list.rb', line 66

def type
  `#@native.type`
end