Show app disable and enable on NTP, and desaturate non-offline-enabled apps when offline.

chrome/browser/resources/ntp4/new_tab.js

Index: chrome/browser/resources/ntp4/new_tab.js
diff --git a/chrome/browser/resources/ntp4/new_tab.js b/chrome/browser/resources/ntp4/new_tab.js
index df176032abc0cfbf2bcb33893f356f5d0b61b31e..4e0a3ce8155eb87521633e2770d0fecf87deb205 100644
--- a/chrome/browser/resources/ntp4/new_tab.js
+++ b/chrome/browser/resources/ntp4/new_tab.js
@@ -342,9 +342,10 @@ cr.define('ntp4', function() {
   }
 
   /**
-   * Called by chrome when a new app has been added to chrome.
-   * @param {Object} app A data structure full of relevant information for the
-   *     app.
+   * Called by chrome when a new app has been added to chrome or has been
+   * enabled if previously disabled.
+   * @param {Object} appData A data structure full of relevant information for
+   *     the app.
    */
   function appAdded(app, opt_highlight) {
     // If the page is already open when a new app is installed, the hash will
@@ -365,21 +366,30 @@ cr.define('ntp4', function() {
     var page = appsPages[pageIndex];
     if (opt_highlight)
       cardSlider.selectCardByValue(page);
-    page.appendApp(app, true);
+    var app = $(appData.id);
+    if (app) {

[Evan Stade, 2011/08/30 03:34:14]

no curlies

[Yoyo Zhou, 2011/08/30 17:37:10]

Done.

+      app.replaceAppData(appData);
+    } else {
+      page.appendApp(appData, true);
+    }
   }
 
   /**
-   * Called by chrome when an existing app has been removed/uninstalled from
-   * chrome.
+   * Called by chrome when an existing app has been disabled or
+   * removed/uninstalled from chrome.
    * @param {Object} appData A data structure full of relevant information for
    *     the app.
    */
-  function appRemoved(appData) {
+  function appRemoved(appData, is_uninstall) {

[Evan Stade, 2011/08/30 03:34:14]

isUninstall

also, doc the param

[Yoyo Zhou, 2011/08/30 17:37:10]

Done.

     var app = $(appData.id);
     assert(app, 'trying to remove an app that doesn\'t exist');
 
-    var tile = findAncestorByClass(app, 'tile');
-    tile.doRemove();
+    if (!is_uninstall) {
+      app.replaceAppData(appData);
+    } else {
+      var tile = findAncestorByClass(app, 'tile');
+      tile.doRemove();
+    }
   }
 
   /**
@@ -410,6 +420,17 @@ cr.define('ntp4', function() {
     }
   }
 
+  /**
+   * Listener for offline status change events. Updates apps that are
+   * not offline-enabled to be grayscale if the browser is offline.
+   */
+  function updateOfflineEnabledApps() {
+    for (var i = 0; i < apps.length; ++i) {
+      if (apps[i].appData.enabled && !apps[i].appData.offline_enabled)
+        apps[i].setIcon();
+    }
+  }
+
   function getCardSlider() {
     return cardSlider;
   }
@@ -779,7 +800,8 @@ cr.define('ntp4', function() {
     setMostVisitedPages: setMostVisitedPages,
     setRecentlyClosedTabs: setRecentlyClosedTabs,
     showNotification: showNotification,
-    themeChanged: themeChanged
+    themeChanged: themeChanged,
+    updateOfflineEnabledApps: updateOfflineEnabledApps
   };
 });
 
@@ -794,3 +816,5 @@ var recentlyClosedTabs = ntp4.setRecentlyClosedTabs;
 var setMostVisitedPages = ntp4.setMostVisitedPages;
 
 document.addEventListener('DOMContentLoaded', ntp4.initialize);
+document.addEventListener('online', ntp4.updateOfflineEnabledApps);
+document.addEventListener('offline', ntp4.updateOfflineEnabledApps);