Introduce icons with distinct shape for connection status display on the front wui page...

This replaces the status display which was only distinct by color which is a usability issue for color-blind users.  This commit includes test coverage by way of pattern matching on rendered templates.  The PNG icons are conversions of original SVG source which I've included and placed in the public domain.

src/allmydata/test/test_system.py

@@ -1114,7 +1114,7 @@ class SystemTest(SystemTestMixin, RunBinTahoeMixin, unittest.TestCase):
         d.addCallback(lambda res: getPage(self.helper_webish_url))
         def _got_welcome_helper(page):
             html = page.replace('\n', ' ')
-            self.failUnless(re.search(r'<div class="status-indicator connected-yes"></div>\s*<div>Helper</div>', html), page)
+            self.failUnless(re.search('<img src="img/connected-yes.png" alt="Connected" />', html), page)
             self.failUnlessIn("Not running helper", page)
         d.addCallback(_got_welcome_helper)
 

src/allmydata/test/test_web.py

@@ -649,7 +649,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
             html = res.replace('\n', ' ')
             self.failUnlessIn('<div class="furl">pb://someIntroducer/[censored]</div>', html)
             self.failIfIn('pb://someIntroducer/secret', html)
-            self.failUnless(re.search('<div class="status-indicator connected-no"></div>[ ]*<div>Introducer not connected</div>', html), res)
+            self.failUnless(re.search('<img src="img/connected-no.png" alt="Disconnected" />', html), res)
         d.addCallback(_check_introducer_not_connected_unguessable)
 
         # introducer connected, unguessable furl
@@ -662,7 +662,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
             html = res.replace('\n', ' ')
             self.failUnlessIn('<div class="furl">pb://someIntroducer/[censored]</div>', html)
             self.failIfIn('pb://someIntroducer/secret', html)
-            self.failUnless(re.search('<div class="status-indicator connected-yes"></div>[ ]*<div>Introducer</div>', html), res)
+            self.failUnless(re.search('<img src="img/connected-yes.png" alt="Connected" />', html), res)
         d.addCallback(_check_introducer_connected_unguessable)
 
         # introducer connected, guessable furl
@@ -674,7 +674,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
         def _check_introducer_connected_guessable(res):
             html = res.replace('\n', ' ')
             self.failUnlessIn('<div class="furl">pb://someIntroducer/introducer</div>', html)
-            self.failUnless(re.search('<div class="status-indicator connected-yes"></div>[ ]*<div>Introducer</div>', html), res)
+            self.failUnless(re.search('<img src="img/connected-yes.png" alt="Connected" />', html), res)
         d.addCallback(_check_introducer_connected_guessable)
         return d
 
@@ -688,7 +688,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
         d.addCallback(_set_no_helper)
         def _check_no_helper(res):
             html = res.replace('\n', ' ')
-            self.failUnless(re.search('<div class="status-indicator connected-not-configured"></div>[ ]*<div>Helper</div>', html), res)
+            self.failUnless(re.search('<img src="img/connected-not-configured.png" alt="Not Configured" />', html), res)
         d.addCallback(_check_no_helper)
 
         # enable helper, not connected
@@ -701,7 +701,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
             html = res.replace('\n', ' ')
             self.failUnlessIn('<div class="furl">pb://someHelper/[censored]</div>', html)
             self.failIfIn('pb://someHelper/secret', html)
-            self.failUnless(re.search('<div class="status-indicator connected-no"></div>[ ]*<div>Helper not connected</div>', html), res)
+            self.failUnless(re.search('<img src="img/connected-no.png" alt="Disconnected" />', html), res)
         d.addCallback(_check_helper_not_connected)
 
         # enable helper, connected
@@ -714,7 +714,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
             html = res.replace('\n', ' ')
             self.failUnlessIn('<div class="furl">pb://someHelper/[censored]</div>', html)
             self.failIfIn('pb://someHelper/secret', html)
-            self.failUnless(re.search('<div class="status-indicator connected-yes"></div>[ ]*<div>Helper</div>', html), res)
+            self.failUnless(re.search('<img src="img/connected-yes.png" alt="Connected" />', html), res)
         d.addCallback(_check_helper_connected)
         return d
 

src/allmydata/web/root.py

@@ -132,6 +132,12 @@ class Root(rend.Page):
     addSlash = True
     docFactory = getxmlfile("welcome.xhtml")
 
+    _connectedalts = {
+        "not-configured": "Not Configured",
+        "yes": "Connected",
+        "no": "Disconnected",
+        }
+
     def __init__(self, client, clock=None):
         rend.Page.__init__(self, client)
         self.client = client
@@ -222,6 +228,9 @@ class Root(rend.Page):
             return "yes"
         return "no"
 
+    def data_connected_to_introducer_alt(self, ctx, data):
+        return self._connectedalts[self.data_connected_to_introducer(ctx, data)]
+
     def data_helper_furl_prefix(self, ctx, data):
         try:
             uploader = self.client.getServiceNamed("uploader")
@@ -252,6 +261,9 @@ class Root(rend.Page):
             return "yes"
         return "no"
 
+    def data_connected_to_helper_alt(self, ctx, data):
+        return self._connectedalts[self.data_connected_to_helper(ctx, data)]
+
     def data_known_storage_servers(self, ctx, data):
         sb = self.client.get_storage_broker()
         return len(sb.get_all_serverids())
@@ -295,6 +307,7 @@ class Root(rend.Page):
             available_space = abbreviate_size(available_space)
         ctx.fillSlots("address", addr)
         ctx.fillSlots("connected", connected)
+        ctx.fillSlots("connected_alt", self._connectedalts[connected])
         ctx.fillSlots("connected-bool", bool(rhost))
         ctx.fillSlots("since", time.strftime(TIME_FORMAT,
                                              time.localtime(since)))

src/allmydata/web/static/img/connected-no.svg

@@ -0,0 +1,22 @@
+<svg version="1.1"
+     baseProfile="full"
+     width="20" height="20"
+     xmlns="http://www.w3.org/2000/svg">
+
+  <!-- Made by Nathan Wilcox on 2015-01-20.
+       This file is hereby placed into the public domain.
+  -->
+
+  <style>
+    /* <![CDATA[ */
+    line {
+    stroke: #aa0000;
+    stroke-width: 3.2;
+    stroke-linecap: round;
+    }
+    /* ]]> */
+  </style>
+
+  <line x1="2" y1="2" x2="18" y2="18" />
+  <line x1="18" y1="2" x2="2" y2="18" />
+</svg>

src/allmydata/web/static/img/connected-not-configured.svg

@@ -0,0 +1,23 @@
+<svg version="1.1"
+     baseProfile="full"
+     width="20" height="20"
+     xmlns="http://www.w3.org/2000/svg">
+
+  <!-- Made by Nathan Wilcox on 2015-01-20.
+       This file is hereby placed into the public domain.
+  -->
+
+  <style>
+    /* <![CDATA[ */
+    line, circle {
+    stroke: #444444;
+    stroke-width: 2.4;
+    stroke-linecap: round;
+    }
+    /* ]]> */
+  </style>
+
+  <circle cx="10" cy="10" r="8" fill="transparent" />
+
+  <line x1="15" y1="5" x2="5" y2="15" />
+</svg>

src/allmydata/web/static/img/connected-yes.svg

@@ -0,0 +1,22 @@
+<svg version="1.1"
+     baseProfile="full"
+     width="20" height="20"
+     xmlns="http://www.w3.org/2000/svg">
+
+  <!-- Made by Nathan Wilcox on 2015-01-20.
+       This file is hereby placed into the public domain.
+  -->
+
+  <style>
+    /* <![CDATA[ */
+    line {
+    stroke: #00aa00;
+    stroke-width: 3.2;
+    stroke-linecap: round;
+    }
+    /* ]]> */
+  </style>
+
+  <line x1="2" y1="10" x2="8" y2="18" />
+  <line x1="18" y1="2" x2="8" y2="18" />
+</svg>

src/allmydata/web/welcome.xhtml

@@ -137,14 +137,14 @@
               <div class="span6">
                 <div>
                   <h3>
-                    <div><n:attr name="class">status-indicator connected-<n:invisible n:render="string" n:data="connected_to_introducer" /></n:attr></div>
+                    <img><n:attr name="src">img/connected-<n:invisible n:render="string" n:data="connected_to_introducer" />.png</n:attr><n:attr name="alt"><n:invisible n:render="string" n:data="connected_to_introducer_alt" /></n:attr></img>
                     <div n:render="string" n:data="introducer_description" />
                   </h3>
                   <div class="furl" n:render="string" n:data="introducer_furl_prefix" />
                 </div>
                 <div>
                   <h3>
-                    <div><n:attr name="class">status-indicator connected-<n:invisible n:render="string" n:data="connected_to_helper" /></n:attr></div>
+                    <img><n:attr name="src">img/connected-<n:invisible n:render="string" n:data="connected_to_helper" />.png</n:attr><n:attr name="alt"><n:invisible n:render="string" n:data="connected_to_helper_alt" /></n:attr></img>
                     <div n:render="string" n:data="helper_description" />
                   </h3>
                   <div class="furl" n:render="string" n:data="helper_furl_prefix" />
@@ -178,7 +178,7 @@
             </thead>
             <tr n:pattern="item" n:render="service_row">
               <td class="nickname-and-peerid">
-              <div><n:attr name="class">status-indicator connected-<n:slot name="connected"/></n:attr></div>
+              <img><n:attr name="src">img/connected-<n:slot name="connected" />.png</n:attr><n:attr name="alt"><n:slot name="connected_alt" /></n:attr></img>
                 <div class="nickname"><n:slot name="nickname"/></div>
                 <div class="nodeid"><n:slot name="peerid"/></div>
               </td>