Add color enhancer as a chromium accessibility extensions.

ui/accessibility/extensions/colorenhancer/src/popup.js

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var site;
+
+function update() {

[kevers, 2015/03/09 13:56:59]

jsdoc.

Also we have a fair number of global functions here and if cvd.js.  Might be
better to wrap in closures.

[Peter Wen, 2015/03/09 21:35:57]

http://crbug.com/465457

+  if (site) {
+    console.log("updated site " + site + " to " +
+                getSiteDelta(site) + "," + getSiteSeverity(site));
+    $("delta").value = getSiteDelta(site);
+    $("severity").value = getSiteSeverity(site);
+  } else {
+    console.log("updated site " + site + " to " +
+                getDefaultDelta() + "," + getDefaultSeverity());
+    $("delta").value = getDefaultDelta();
+    $("severity").value = getDefaultSeverity();
+  }
+
+  console.log("updated site " + site + " type " + getDefaultType());
+  $("type").value = getDefaultType();
+
+  //console.log("updated site " + site + " simulate " + getDefaultSimulate());

[dmazzoni, 2015/03/09 15:40:40]

Delete commented out code or use log levels?

[Peter Wen, 2015/03/09 21:35:57]

Added TODO as this is part of the next feature (already completed in google3,
just needs to be merged into Chromium after this CL).

+  //$("simulate").checked = getDefaultSimulate();
+
+  chrome.extension.getBackgroundPage().updateTabs();
+}
+
+function onDeltaChange(value) {
+  console.log("delta changing to " + value + " for site " + site);
+  if (site) {
+    setSiteDelta(site, value);
+  }
+  setDefaultDelta(value);
+  update();
+}
+
+function onSeverityChange(value) {
+  console.log("severity changing to " + value + " for site " + site);
+  if (site) {
+    setSiteSeverity(site, value);
+  }
+  setDefaultSeverity(value);
+  update();
+}
+
+function onTypeChange(value) {
+  console.log("type changing to " + value + " for site " + site);
+  setDefaultType(value);
+  update();
+}
+
+function onSimulateChange(value) {
+  console.log("simulate changing to " + value + " for site " + site);
+  setDefaultSimulate(value);
+  update();
+}
+
+function onReset() {
+  console.log("resetting sites");
+  resetSiteDeltas();
+  resetSiteSeverities();
+  update();
+}
+
+function init() {
+  $("delta").addEventListener("input", function() {
+    onDeltaChange(parseFloat(this.value));
+  });
+  $("severity").addEventListener("input", function() {
+    onSeverityChange(parseFloat(this.value));
+  });
+  $("type").addEventListener("input", function() {
+    onTypeChange(this.value);
+  });
+  //$("simulate").addEventListener("change", function() {
+  //  onSimulateChange(!this.checked);
+  //});
+  $("resetall").addEventListener("click", function() {
+    onReset();
+  });
+
+  chrome.windows.getLastFocused({"populate": true}, function(window) {
+    for (var i = 0; i < window.tabs.length; i++) {
+      var tab = window.tabs[i];
+      if (tab.active) {
+        site = siteFromUrl(tab.url);
+        console.log("active tab update " + site);
+        update();
+        return;
+      }
+    }
+    site = "unknown site";
+    update();
+  });
+}
+
+window.addEventListener("load", init, false);