Class: SpobBrowserDetector::Detector

Inherits:
Object
  • Object
show all
Defined in:
lib/spob_browser_detector/detector.rb

Overview

The Detector provides the ability to determine browser information from the user agent string.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user_agent) ⇒ Detector

Returns a new instance of Detector.



10
11
12
13
 
# File 'lib/spob_browser_detector/detector.rb', line 10

def initialize( user_agent )
  @ua = user_agent.downcase unless user_agent.nil?
  @version_regex = /(\d*)\.(\d*)\.*(\d*)\.*(\d*)/
end

Instance Attribute Details

#ua ⇒ Object (readonly)

Returns the value of attribute ua.



8
9
10
 
# File 'lib/spob_browser_detector/detector.rb', line 8

def ua
  @ua
end

Class Method Details

.all_browsers ⇒ Object

A list of all the browser types that Guilded recognizes.



155
156
157
 
# File 'lib/spob_browser_detector/detector.rb', line 155

def self.all_browsers
  %w( chrome firefox ie55 ie60 ie70 ie80 konqueror netscape opera safari )
end

.all_mobile_browsers ⇒ Object

A list of all the mobile browser types that Guilded recognizes.



161
162
163
 
# File 'lib/spob_browser_detector/detector.rb', line 161

def self.all_mobile_browsers
  %w( ie_ce4 ie_ce iphone )
end

.user_agents ⇒ Object 



165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
 
# File 'lib/spob_browser_detector/detector.rb', line 165

def self.user_agents
  {
    :ie55 => 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.1)',
    :ie60 => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
    :ie70 => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)',
    :ie80 => 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)',
    :firefox2 => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.17) Gecko/20080829 Firefox/2.0.0.17',
    :firefox3 => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.0.11) Gecko/2009060214 Firefox/3.0.11',
    :firefox35 => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3',
    :firefox35win => 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)',
    :opera10 => 'Opera/9.80 (Macintosh; Intel Mac OS X; U; en) Presto/2.2.15 Version/10.00',
    :safari403 => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_1; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Chrome/4.0.221.8 Safari/532.2',
    :iphone3 => 'Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7C144 Safari/528.16',
    :iphone2 => 'Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420+ (KHTML, like Gecko) Version/3.0 Mobile/1A535b Safari/419.3',
    :chrome3 => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.0 (KHTML, like Gecko) Chrome/3.0.195.27 Safari/532.0',
    :chrome4 => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_1; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Chrome/4.0.221.8 Safari/532.2'
  }
end

Instance Method Details

#browser_full_name ⇒ Object

Returns the browser name concatenated with the browser version. for example, ‘ie7’.

Request

  • request - The request object.



133
134
135
 
# File 'lib/spob_browser_detector/detector.rb', line 133

def browser_full_name
  self.send( "browser_full_name_for_#{self.browser_name}".to_sym )
end

#browser_id ⇒ Object

Returns the browser name concatenated with the browser version. for example, ‘ie7’.

Request

  • request - The request object.



142
143
144
 
# File 'lib/spob_browser_detector/detector.rb', line 142

def browser_id
  browser_name + browser_version.gsub( /\./, '' )
end

#browser_is?(options = {}) ⇒ Boolean

Returns true if the browser matches the options ent in, otherwise returns false.

Request

  • request - The request object.

Options

  • :name - The name of the browser. For example ‘ie’ or :ie.

  • :version - The version of the browser. For example ‘3.0.5’.

  • :major_version - The major version of the browser. For example ‘3’ or 3.

  • :minor_version - The minor version of the browser. For example ‘0’ or 0.

Returns:

  • (Boolean) 


26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/spob_browser_detector/detector.rb', line 26

def browser_is?( options={} )
  name = options[:name]
  version = options[:version]
  major_version = options[:major_version]
  minor_version = options[:minor_version]
  build_version = options[:build_version]
  revision_version = options[:revision_version]

  name ||= self.browser_name
  version ||= self.browser_version
  major_version ||= self.browser_version_major
  minor_version ||= self.browser_version_minor
  build_version ||= self.browser_version_build
  revision_version ||= self.browser_version_revision

  name = name.to_s.strip
  version = version.to_s.strip
  major_version = major_version.to_s.strip
  minor_version = minor_version.to_s.strip
  build_version = build_version.to_s.strip
  revision_version = revision_version.to_s.strip

  self.browser_name == name && self.browser_version == version && self.browser_version_major == major_version &&
    self.browser_version_minor == minor_version #&& self.browser_version_build == build_version &&
    #self.browser_version_revision == revision_version
end

#browser_name ⇒ Object

Returns the name of the browser that is making this request. For example ‘ie’.

Request

  • request - The request object.



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/spob_browser_detector/detector.rb', line 58

def browser_name
  begin
    @browser_name ||= begin
      ua = @ua
      if ua.nil?
        'unknown'
      else
        if ua.index( 'msie' ) && !ua.index( 'opera' ) && !ua.index( 'webtv' )
          if ua.index( 'windows ce' )
            'ie' + '_ce' #+ ua[ua.index( 'msie' ) + 5].chr
          else
            'ie' # + ua[ua.index( 'msie' ) + 5].chr
          end
        elsif ua.include?( 'opera' )
          'opera'
        elsif ua.include?( 'konqueror' )
          'konqueror'
        elsif ua.include?( 'applewebkit/' )
          'safari'
        elsif ua.include?( 'chrome' )
          'chrome'
        elsif ua.include?( 'firefox' )
          'firefox'
        elsif ua.include?( 'netscape' )
          'netscape'
        else
          'unknown'
        end
      end
    end
  rescue
    'unknown'
  end
end

#browser_version ⇒ Object

Returns the version of the browser that is making this request. For example ‘7’.

Request

  • request - The request object.



98
99
100
101
102
 
# File 'lib/spob_browser_detector/detector.rb', line 98

def browser_version
  @browser_version ||= begin
    self.send( "resolve_version_for_#{self.browser_name}".to_sym )
  end
end

#browser_version_build ⇒ Object 



116
117
118
119
120
 
# File 'lib/spob_browser_detector/detector.rb', line 116

def browser_version_build
  match = @version_regex.match( browser_version )
  return match[3].to_i.to_s unless match.nil? || match.size < 4 || match[3].empty? || match[3].nil?
  '0'
end

#browser_version_major ⇒ Object 



104
105
106
107
108
 
# File 'lib/spob_browser_detector/detector.rb', line 104

def browser_version_major
  match = @version_regex.match( browser_version )
  return match[1].to_i.to_s unless match.nil? || match.size < 2
  '0'
end

#browser_version_minor ⇒ Object 



110
111
112
113
114
 
# File 'lib/spob_browser_detector/detector.rb', line 110

def browser_version_minor
  match = @version_regex.match( browser_version )
  return match[2].to_i.to_s unless match.nil? || match.size < 3
  '0'
end

#browser_version_revision ⇒ Object 



122
123
124
125
126
 
# File 'lib/spob_browser_detector/detector.rb', line 122

def browser_version_revision
  match = @version_regex.match( browser_version )
  return match[4].to_i.to_s unless match.nil? || match.size < 5 || match[4].empty? || match[4].nil?
  '0'
end

#can_use_png? ⇒ Boolean

Returns true if the current browser type can handle PNGs.

Returns:

  • (Boolean) 


148
149
150
151
 
# File 'lib/spob_browser_detector/detector.rb', line 148

def can_use_png?
   return browser_version.to_i >= 7 if browser_name== 'ie'
 	true
end