Bug 606548 - Start page options > Custom vs Current pages is redundant [r=mfinkle]

mobile/chrome/content/browser-ui.js

@@ -2416,10 +2416,20 @@ var MenuListHelperUI = {
     return this._title = document.getElementById("menulist-title");
   },
 
+  _firePopupEvent: function firePopupEvent(aEventName) {
+    let menupopup = this._currentList.menupopup;
+    if (menupopup.hasAttribute(aEventName)) {
+      let func = new Function("event", menupopup.getAttribute(aEventName));
+      func.call(this);
+    }
+  },
+
   _currentList: null,
   show: function mn_show(aMenulist) {
     this._currentList = aMenulist;
+    this._container.setAttribute("for", aMenulist.id);
     this._title.value = aMenulist.title || "";
+    this._firePopupEvent("onpopupshowing");
 
     let container = this._container;
     let listbox = this._popup.lastChild;
@@ -2430,6 +2440,11 @@ var MenuListHelperUI = {
     for (let i = 0; i < children.length; i++) {
       let child = children[i];
       let item = document.createElement("richlistitem");
+      if (child.disabled)
+        item.setAttribute("disabled", "true");
+      if (child.hidden)
+        item.setAttribute("hidden", "true");
+
       // Add selected as a class name instead of an attribute to not being overidden
       // by the richlistbox behavior (it sets the "current" and "selected" attribute
       item.setAttribute("class", "menulist-command prompt-button" + (child.selected ? " selected" : ""));
@@ -2453,6 +2468,7 @@ var MenuListHelperUI = {
 
   hide: function mn_hide() {
     this._currentList = null;
+    this._container.removeAttribute("for");
     this._container.hidden = true;
     window.removeEventListener("resize", this, true);
     BrowserUI.popPopup(this);

mobile/chrome/content/browser.xul

@@ -436,7 +436,7 @@
                 </setting>
                 <setting id="prefs-homepage" title="&homepage.title;" type="control">
                   <menulist id="prefs-homepage-options" oncommand="PreferencesView.updateHomePage();">
-                    <menupopup>
+                    <menupopup onpopupshowing="PreferencesView.updateHomePageList();">
                       <menuitem id="prefs-homepage-default" label="&homepage.default;" value="default"/>
                       <menuitem id="prefs-homepage-none" label="&homepage.none;" value="none"/>
                       <menuitem id="prefs-homepage-currentpage" label="&homepage.currentpage;" value="currentpage"/>

mobile/chrome/content/preferences.js

@@ -170,7 +170,7 @@ var PreferencesView = {
     if (localeCount == 1)
       document.getElementById("prefs-uilanguage").hidden = true;
   },
-  
+
   updateLocale: function updateLocale() {
     // Which locale did the user select?
     let newLocale = this._languages.selectedItem.value;
@@ -223,7 +223,7 @@ var PreferencesView = {
 
     // Show or hide the title or URL of the custom homepage
     this._showHomePageHint(display);
-  
+
     // Add the helper "Custom Page" item in the menulist, if needed
     let options = document.getElementById("prefs-homepage-options");
     if (value == "custom") {
@@ -235,6 +235,22 @@ var PreferencesView = {
     options.value = value;
   },
 
+  updateHomePageList: function updateHomePageMenuList() {
+    // Update the "Use Current Page" item in the menulist by disabling it if
+    // the current page is already the user homepage
+    let currentUrl = Browser.selectedBrowser.currentURI.spec;
+    let currentHomepage = Browser.getHomePage();
+    let isHomepage = (currentHomepage == currentUrl);
+    let itemRow = document.getElementById("prefs-homepage-currentpage");
+    if (currentHomepage == "about:home") {
+      itemRow.disabled = isHomepage;
+      itemRow.hidden = false;
+    } else {
+      itemRow.hidden = isHomepage;
+      itemRow.disabled = false;
+    }
+  },
+
   updateHomePage: function updateHomePage() {
     let options = document.getElementById("prefs-homepage-options");
     let value = options.selectedItem.value;
@@ -250,8 +266,14 @@ var PreferencesView = {
         url = "about:home";
         break;
       case "currentpage":
-        url = Browser.selectedBrowser.currentURI.spec;
-        display = Browser.selectedBrowser.contentTitle || url;
+        // If the selected page is the about:home page, emulate the default case
+        let currentURL = Browser.selectedBrowser.currentURI.spec;
+        if (currentURL == "about:home") {
+          value = "default";
+        } else {
+          url = currentURL;
+          display = Browser.selectedBrowser.contentTitle || currentURL;
+        }
         break;
     }
 
@@ -272,8 +294,11 @@ var PreferencesView = {
         helper = options.appendItem(Elements.browserBundle.getString("homepage.custom2"), "custom");
 
       options.selectedItem = helper;
-    } else if (helper) {
-      options.menupopup.removeChild(helper);
+    } else {
+      if (helper)
+        options.menupopup.removeChild(helper);
+
+      options.selectedItem = options.menupopup.getElementsByAttribute("value", value)[0];
     }
 
     // Save the homepage URL to a preference

mobile/themes/core/browser.css

@@ -437,6 +437,11 @@ toolbarbutton.choice-remotetabs {
   list-style-image: url("chrome://browser/skin/images/console-default-64.png");
 }
 
+/* preferences panel UI -----------------------------------------------------*/
+#menulist-container[for="prefs-homepage-options"] .menulist-command.selected {
+  pointer-events: none;
+}
+
 /* addons panel UI   ------------------------------------------------------- */
 @media (min-width: 500px) {
   #addons-repo {
@@ -1031,6 +1036,12 @@ pageaction {
   -moz-box-align: center;
 }
 
+.prompt-button[disabled="true"],
+.context-command[disabled="true"] {
+  pointer-events: none;
+  color: #aaa !important;
+}
+
 .prompt-button[selected="true"],
 .context-command[selected="true"] {
   background: transparent;
@@ -1066,7 +1077,7 @@ pageaction {
 }
 
 .prompt-button:not([disabled]):hover:active,
-.context-command:hover:active,
+.context-command:not([disabled]):hover:active,
 pageaction:not([disabled]):hover:active {
   background: url("chrome://browser/skin/images/popup-selected-item-hdpi.png") repeat-x !important;
   background-origin: border-box !important;
@@ -1397,7 +1408,7 @@ pageaction:not([image]) > hbox >.pageaction-image {
   background-color: #8db8d8;
 }
 
-echrome-select-option[disabled="true"] {
+.chrome-select-option[disabled="true"] {
   pointer-events: none;
   color: #aaa !important;
 }