Merge branch 'master' into configurebuild-work

7 files changed, 188 insertions, 16 deletions

diff --git a/devtools/shared/css/color.js b/devtools/shared/css/color.js
index b354043d7..98ddeff19 100644
--- a/devtools/shared/css/color.js
+++ b/devtools/shared/css/color.js
@@ -28,6 +28,10 @@ const SPECIALVALUES = new Set([
  * Usage:
  *   let {colorUtils} = require("devtools/shared/css/color");
  *   let color = new colorUtils.CssColor("red");
+ *   // In order to support css-color-4 color function, pass true to the
+ *   // second argument.
+ *   // e.g.
+ *   //   let color = new colorUtils.CssColor("red", true);
  *
  *   color.authored === "red"
  *   color.hasAlpha === false
@@ -58,8 +62,9 @@ const SPECIALVALUES = new Set([
  *   Valid values for COLOR_UNIT_PREF are contained in CssColor.COLORUNIT.
  */
 
-function CssColor(colorValue) {
+function CssColor(colorValue, supportsCssColor4ColorFunction = false) {
   this.newColor(colorValue);
+  this.cssColor4 = supportsCssColor4ColorFunction;
 }
 
 module.exports.colorUtils = {
@@ -92,6 +97,9 @@ CssColor.prototype = {
   // A lower-cased copy of |authored|.
   lowerCased: null,
 
+  // Whether the value should be parsed using css-color-4 rules.
+  cssColor4: false,
+
   _setColorUnitUppercase: function (color) {
     // Specifically exclude the case where the color is
     // case-insensitive.  This makes it so that "#000" isn't
@@ -136,7 +144,7 @@ CssColor.prototype = {
   },
 
   get valid() {
-    return isValidCSSColor(this.authored);
+    return isValidCSSColor(this.authored, this.cssColor4);
   },
 
   /**
@@ -393,7 +401,7 @@ CssColor.prototype = {
    * appropriate.
    */
   _getRGBATuple: function () {
-    let tuple = colorToRGBA(this.authored);
+    let tuple = colorToRGBA(this.authored, this.cssColor4);
 
     tuple.a = parseFloat(tuple.a.toFixed(1));
 
@@ -481,11 +489,13 @@ function roundTo(number, digits) {
  *         Color in the form of hex, hsl, hsla, rgb, rgba.
  * @param  {Number} alpha
  *         Alpha value for the color, between 0 and 1.
+ * @param  {Boolean} useCssColor4ColorFunction
+ *         use css-color-4 color function or not.
  * @return {String}
  *         Converted color with `alpha` value in rgba form.
  */
-function setAlpha(colorValue, alpha) {
-  let color = new CssColor(colorValue);
+function setAlpha(colorValue, alpha, useCssColor4ColorFunction = false) {
+  let color = new CssColor(colorValue, useCssColor4ColorFunction);
 
   // Throw if the color supplied is not valid.
   if (!color.valid) {
@@ -1049,12 +1059,11 @@ function parseOldStyleRgb(lexer, hasAlpha) {
  * color's components.  Any valid CSS color form can be passed in.
  *
  * @param {String} name the color
- * @param {Boolean} oldColorFunctionSyntax use old color function syntax or the
- *        css-color-4 syntax
+ * @param {Boolean} useCssColor4ColorFunction use css-color-4 color function or not.
  * @return {Object} an object of the form {r, g, b, a}; or null if the
  *         name was not a valid color
  */
-function colorToRGBA(name, oldColorFunctionSyntax = true) {
+function colorToRGBA(name, useCssColor4ColorFunction = false) {
   name = name.trim().toLowerCase();
 
   if (name in cssColors) {
@@ -1089,7 +1098,7 @@ function colorToRGBA(name, oldColorFunctionSyntax = true) {
   let hsl = func.text === "hsl" || func.text === "hsla";
 
   let vals;
-  if (oldColorFunctionSyntax) {
+  if (!useCssColor4ColorFunction) {
     let hasAlpha = (func.text === "rgba" || func.text === "hsla");
     vals = hsl ? parseOldStyleHsl(lexer, hasAlpha) : parseOldStyleRgb(lexer, hasAlpha);
   } else {
@@ -1110,8 +1119,9 @@ function colorToRGBA(name, oldColorFunctionSyntax = true) {
  * Check whether a string names a valid CSS color.
  *
  * @param {String} name The string to check
+ * @param {Boolean} useCssColor4ColorFunction use css-color-4 color function or not.
  * @return {Boolean} True if the string is a CSS color name.
  */
-function isValidCSSColor(name) {
-  return colorToRGBA(name) !== null;
+function isValidCSSColor(name, useCssColor4ColorFunction = false) {
+  return colorToRGBA(name, useCssColor4ColorFunction) !== null;
 }
diff --git a/devtools/shared/fronts/css-properties.js b/devtools/shared/fronts/css-properties.js
index 9b3172a22..d61bb4b07 100644
--- a/devtools/shared/fronts/css-properties.js
+++ b/devtools/shared/fronts/css-properties.js
@@ -47,6 +47,20 @@ const CssPropertiesFront = FrontClassWithSpec(cssPropertiesSpec, {
 });
 
 /**
+ * Query the feature supporting status in the featureSet.
+ *
+ * @param {Hashmap} featureSet the feature set hashmap
+ * @param {String} feature the feature name string
+ * @return {Boolean} has the feature or not
+ */
+function hasFeature(featureSet, feature) {
+  if (feature in featureSet) {
+    return featureSet[feature];
+  }
+  return false;
+}
+
+/**
  * Ask questions to a CSS database. This class does not care how the database
  * gets loaded in, only the questions that you can ask to it.
  * Prototype functions are bound to 'this' so they can be passed around as helper
@@ -62,10 +76,16 @@ function CssProperties(db) {
   this.properties = db.properties;
   this.pseudoElements = db.pseudoElements;
 
+  // supported feature
+  this.cssColor4ColorFunction = hasFeature(db.supportedFeature,
+                                           "css-color-4-color-function");
+
   this.isKnown = this.isKnown.bind(this);
   this.isInherited = this.isInherited.bind(this);
   this.supportsType = this.supportsType.bind(this);
   this.isValidOnClient = this.isValidOnClient.bind(this);
+  this.supportsCssColor4ColorFunction =
+    this.supportsCssColor4ColorFunction.bind(this);
 
   // A weakly held dummy HTMLDivElement to test CSS properties on the client.
   this._dummyElements = new WeakMap();
@@ -181,6 +201,15 @@ CssProperties.prototype = {
     }
     return [];
   },
+
+  /**
+   * Checking for the css-color-4 color function support.
+   *
+   * @return {Boolean} Return true if the server supports css-color-4 color function.
+   */
+  supportsCssColor4ColorFunction() {
+    return this.cssColor4ColorFunction;
+  },
 };
 
 /**
@@ -292,6 +321,11 @@ function normalizeCssData(db) {
 
   reattachCssColorValues(db);
 
+  // If there is no supportedFeature in db, create an empty one.
+  if (!db.supportedFeature) {
+    db.supportedFeature = {};
+  }
+
   return db;
 }
 
diff --git a/devtools/shared/gcli/source/lib/gcli/commands/commands.js b/devtools/shared/gcli/source/lib/gcli/commands/commands.js
index 67793b2dc..0af4be620 100644
--- a/devtools/shared/gcli/source/lib/gcli/commands/commands.js
+++ b/devtools/shared/gcli/source/lib/gcli/commands/commands.js
@@ -335,10 +335,10 @@ Parameter.prototype.toJson = function() {
   };
 
   // Values do not need to be serializable, so we don't try. For the client
-  // side (which doesn't do any executing) we don't actually care what the
-  // default value is, just that it exists
+  // side (which doesn't do any executing) we only care whether default value is
+  // undefined, null, or something else.
   if (this.paramSpec.defaultValue !== undefined) {
-    json.defaultValue = {};
+    json.defaultValue = (this.paramSpec.defaultValue === null) ? null : {};
   }
   if (this.paramSpec.description != null) {
     json.description = this.paramSpec.description;
diff --git a/devtools/shared/gcli/source/lib/gcli/commands/help.js b/devtools/shared/gcli/source/lib/gcli/commands/help.js
index 317f80240..7d1cc9087 100644
--- a/devtools/shared/gcli/source/lib/gcli/commands/help.js
+++ b/devtools/shared/gcli/source/lib/gcli/commands/help.js
@@ -69,7 +69,7 @@ function getHelpManData(commandData, context) {
       }
       else {
         // We need defaultText to work the text version of defaultValue
-        input = l10n.lookupFormat('helpManOptional');
+        input = l10n.lookup('helpManOptional');
         /*
         var val = param.type.stringify(param.defaultValue);
         input = Promise.resolve(val).then(function(defaultValue) {
diff --git a/devtools/shared/specs/node.js b/devtools/shared/specs/node.js
index ea3d1b264..022d7f1ac 100644
--- a/devtools/shared/specs/node.js
+++ b/devtools/shared/specs/node.js
@@ -37,6 +37,12 @@ const nodeSpec = generateActorSpec({
         value: RetVal("string")
       }
     },
+    getCssPath: {
+      request: {},
+      response: {
+        value: RetVal("string")
+      }
+    },
     scrollIntoView: {
       request: {},
       response: {}
diff --git a/devtools/shared/tests/mochitest/chrome.ini b/devtools/shared/tests/mochitest/chrome.ini
index 85ece7c48..3e4e028d1 100644
--- a/devtools/shared/tests/mochitest/chrome.ini
+++ b/devtools/shared/tests/mochitest/chrome.ini
@@ -2,6 +2,7 @@
 tags = devtools
 skip-if = os == 'android'
 
-[test_eventemitter_basic.html]
+[test_css-logic-getCssPath.html]
 [test_devtools_extensions.html]
+[test_eventemitter_basic.html]
 skip-if = os == 'linux' && debug # Bug 1205739
diff --git a/devtools/shared/tests/mochitest/test_css-logic-getCssPath.html b/devtools/shared/tests/mochitest/test_css-logic-getCssPath.html
new file mode 100644
index 000000000..2c444308a
--- /dev/null
+++ b/devtools/shared/tests/mochitest/test_css-logic-getCssPath.html
@@ -0,0 +1,121 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1323700
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1323700</title>
+
+  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+  <script type="application/javascript;version=1.8">
+const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+
+let { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
+const CssLogic = require("devtools/shared/inspector/css-logic");
+
+var _tests = [];
+function addTest(test) {
+  _tests.push(test);
+}
+
+function runNextTest() {
+  if (_tests.length == 0) {
+    SimpleTest.finish()
+    return;
+  }
+  _tests.shift()();
+}
+
+window.onload = function() {
+  SimpleTest.waitForExplicitFinish();
+  runNextTest();
+}
+
+addTest(function getCssPathForUnattachedElement() {
+  var unattached = document.createElement("div");
+  unattached.id = "unattached";
+  try {
+    CssLogic.getCssPath(unattached);
+    ok(false, "Unattached node did not throw")
+  } catch(e) {
+    ok(e, "Unattached node throws an exception");
+  }
+
+  var unattachedChild = document.createElement("div");
+  unattached.appendChild(unattachedChild);
+  try {
+    CssLogic.getCssPath(unattachedChild);
+    ok(false, "Unattached child node did not throw")
+  } catch(e) {
+    ok(e, "Unattached child node throws an exception");
+  }
+
+  var unattachedBody = document.createElement("body");
+  try {
+    CssLogic.getCssPath(unattachedBody);
+    ok(false, "Unattached body node did not throw")
+  } catch(e) {
+    ok(e, "Unattached body node throws an exception");
+  }
+
+  runNextTest();
+});
+
+addTest(function cssPathHasOneStepForEachAncestor() {
+  for (let el of [...document.querySelectorAll('*')]) {
+    let splitPath = CssLogic.getCssPath(el).split(" ");
+
+    let expectedNbOfParts = 0;
+    var parent = el.parentNode;
+    while (parent) {
+      expectedNbOfParts ++;
+      parent = parent.parentNode;
+    }
+
+    is(splitPath.length, expectedNbOfParts, "There are enough parts in the full path");
+  }
+
+  runNextTest();
+});
+
+addTest(function getCssPath() {
+  let data = [{
+    selector: "#id",
+    path: "html body div div div.class div#id"
+  }, {
+    selector: "html",
+    path: "html"
+  }, {
+    selector: "body",
+    path: "html body"
+  }, {
+    selector: ".c1.c2.c3",
+    path: "html body span.c1.c2.c3"
+  }, {
+    selector: "#i",
+    path: "html body span#i.c1.c2"
+  }];
+
+  for (let {selector, path} of data) {
+    let node = document.querySelector(selector);
+    is (CssLogic.getCssPath(node), path, `Full css path is correct for ${selector}`);
+  }
+
+  runNextTest();
+});
+  </script>
+</head>
+<body>
+  <div>
+    <div>
+      <div class="class">
+        <div id="id"></div>
+      </div>
+    </div>
+  </div>
+  <span class="c1 c2 c3"></span>
+  <span id="i" class="c1 c2"></span>
+</body>
+</html>