Merge pull request #99 from azul/feature/os-detection

detect os in browser and show proper download link

4 files changed, 147 insertions, 4 deletions

diff --git a/core/app/assets/javascripts/platform.js b/core/app/assets/javascripts/platform.js
new file mode 100644
index 0000000..3ab77d7
--- /dev/null
+++ b/core/app/assets/javascripts/platform.js
@@ -0,0 +1,92 @@
+/* Inspired by mozillas platform detection:
+  https://github.com/mozilla/bedrock/tree/master/media/js/base
+*/
+ (function () {
+   'use strict';
+   function getPlatform() {
+     var ua = navigator.userAgent,
+         pf = navigator.platform;
+     if (/Win(16|9[x58]|NT( [1234]| 5\.0| [^0-9]|[^ -]|$))/.test(ua) ||
+       /Windows ([MC]E|9[x58]|3\.1|4\.10|NT( [1234]| 5\.0| [^0-9]|[^ ]|$))/.test(ua) ||
+       /Windows_95/.test(ua)) {
+       /**
+        * Officially unsupported platforms are Windows 95, 98, ME, NT 4.x, 2000
+        * These regular expressions match:
+        *  - Win16
+        *  - Win9x
+        *  - Win95
+        *  - Win98
+        *  - WinNT (not followed by version or followed by version <= 5)
+        *  - Windows ME
+        *  - Windows CE
+        *  - Windows 9x
+        *  - Windows 95
+        *  - Windows 98
+        *  - Windows 3.1
+        *  - Windows 4.10
+        *  - Windows NT (not followed by version or followed by version <= 5)
+        *  - Windows_95
+        */
+       return 'oldwin';
+     }
+     if (ua.indexOf("MSIE 6.0") !== -1 &&
+       ua.indexOf("Windows NT 5.1") !== -1 &&
+       ua.indexOf("SV1") === -1) {
+       // Windows XP SP1
+       return 'oldwin';
+     }
+     if (pf.indexOf("Win32") !== -1 ||
+       pf.indexOf("Win64") !== -1) {
+       return 'windows';
+     }
+     if (/android/i.test(ua)) {
+       return 'android';
+     }
+     if (/armv[6-7]l/.test(pf)) {
+       return 'android';
+     }
+     if (pf.indexOf("Linux") !== -1) {
+       if (pf.indexOf("64") !== -1) {
+         return 'linux64';
+       } else {
+         return 'linux32';
+       }
+     }
+     if (pf.indexOf("MacPPC") !== -1) {
+       return 'oldmac';
+     }
+     if (/Mac OS X 10.[0-5]/.test(ua)) {
+       return 'oldmac';
+     }
+     if (pf.indexOf('iPhone') !== -1 ||
+       pf.indexOf('iPad') !== -1 ||
+       pf.indexOf('iPod') !== -1 ) {
+       return 'ios';
+     }
+     if (ua.indexOf("Mac OS X") !== -1) {
+       return 'osx';
+     }
+     if (ua.indexOf("MSIE 5.2") !== -1) {
+       return 'oldmac';
+     }
+     if (pf.indexOf("Mac") !== -1) {
+       return 'oldmac';
+     }
+     if (navigator.platform === '' &&
+       navigator.userAgent.indexOf("Firefox") !== -1 &&
+       navigator.userAgent.indexOf("Mobile") !== -1) {
+       return 'fxos';
+     }
+
+     return 'other';
+   }
+   (function () {
+     // Immediately set the platform classname on the html-element
+     // to avoid lots of flickering
+     var h = document.documentElement;
+     window.site = {
+       platform : getPlatform()
+     };
+     h.className = window.site.platform;
+   })();
+ })();
diff --git a/core/app/helpers/core_helper.rb b/core/app/helpers/core_helper.rb
index a496144..29a4700 100644
--- a/core/app/helpers/core_helper.rb
+++ b/core/app/helpers/core_helper.rb
@@ -10,4 +10,40 @@ module CoreHelper
     render 'common/home_page_buttons'
   end
 
-end
\ No newline at end of file
+  def available_clients
+    CLIENT_AVAILABILITY
+  end
+
+  def alternative_client_links(os = nil)
+    alternative_clients(os).map do |client|
+      link_to(client.capitalize, client_download_url(client))
+    end
+  end
+
+  def alternative_clients(os = nil)
+    CLIENT_AVAILABILITY - [os]
+  end
+
+  def client_download_url(os = nil)
+    client_download_domain(os) + client_download_path(os)
+  end
+
+  def client_download_domain(os)
+    "https://downloads.leap.se"
+  end
+
+  def client_download_path(os)
+    CLIENT_DOWNLOAD_PATHS[os]  || '/client'
+  end
+
+
+  CLIENT_AVAILABILITY = %w/linux32 linux64 mac windows android/
+  CLIENT_DOWNLOAD_PATHS = {
+    android: '/client/android',
+    linux:   '/client/linux',
+    linux32: '/client/linux/Bitmask-linux32-latest.tar.bz2',
+    linux64: '/client/linux/Bitmask-linux64-latest.tar.bz2',
+    osx:     '/client/osx/Bitmask-OSC-latest.dmg',
+    windows: '/client/windows'
+  }.with_indifferent_access
+end
diff --git a/core/app/views/common/_download_for_os.html.haml b/core/app/views/common/_download_for_os.html.haml
new file mode 100644
index 0000000..b7c88ba
--- /dev/null
+++ b/core/app/views/common/_download_for_os.html.haml
@@ -0,0 +1,16 @@
+- os = download_for_os
+%div{:class => "os-#{os}"}
+  %span.link
+    - btn_class = (os == "other") ? "disabled" : "btn-primary"
+    = link_to client_download_url(os), :class => "btn btn-large #{btn_class}" do
+      .pull-left= huge_icon('mask')
+      = t(:download_client)
+      %br/
+      %small= I18n.t("os.#{os}")
+  %span.info
+    = t(:client_info, :provider => content_tag(:b,APP_CONFIG[:domain])).html_safe
+    %br/
+    - if os == "other"
+      = t(:all_downloads_info, :clients => alternative_client_links(os).to_sentence).html_safe
+    - else
+      = t(:other_downloads_info, :clients => alternative_client_links(os).to_sentence).html_safe
diff --git a/core/app/views/common/_home_page_buttons.html.haml b/core/app/views/common/_home_page_buttons.html.haml
index 7eb4c40..b87c867 100644
--- a/core/app/views/common/_home_page_buttons.html.haml
+++ b/core/app/views/common/_home_page_buttons.html.haml
@@ -1,11 +1,10 @@
 - icon_color = :black
 
-.home-buttons
+.home-buttons.linux64
   .row-fluid.first
     .span3
     .download.span6
-      %span.link= link_to(big_icon('arrow-down', icon_color) + t(:download_client), "https://downloads.leap.se/client", :class => 'btn btn-large')
-      %span.info= t(:download_client_info, :provider => content_tag(:b,APP_CONFIG[:domain])).html_safe
+      = render partial: 'common/download_for_os', collection: available_clients + ['other']
     .span3
   .row-fluid.second
     .login.span4