Bug 579779: Installing a new theme should mark it to be enabled. r=robstrong

browser/base/content/browser.js

@@ -750,7 +750,7 @@ const gXPInstallObserver = {
         PopupNotifications.remove(notification);
 
       var needsRestart = installInfo.installs.some(function(i) {
-        return (i.addon.pendingOperations & AddonManager.PENDING_INSTALL) != 0;
+        return i.addon.pendingOperations != AddonManager.PENDING_NONE;
       });
 
       if (needsRestart) {

browser/base/content/test/browser_bug553455.js

@@ -406,6 +406,36 @@ function test_reload() {
       gBrowser.loadURI(TESTROOT2 + "enabled.html");
     });
   });
+},
+
+function test_theme() {
+  var pm = Services.perms;
+  pm.add(makeURI("http://example.com/"), "install", pm.ALLOW_ACTION);
+
+  var triggers = encodeURIComponent(JSON.stringify({
+    "Theme XPI": "theme.xpi"
+  }));
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.loadURI(TESTROOT + "installtrigger.html?" + triggers);
+
+  // Wait for the install confirmation dialog
+  wait_for_install_dialog(function(aWindow) {
+    aWindow.document.documentElement.acceptDialog();
+
+    // Wait for the complete notification
+    wait_for_notification(function(aPanel) {
+      let notification = aPanel.childNodes[0];
+      is(notification.id, "addon-install-complete", "Should have seen the install complete");
+      is(notification.button.label, "Restart Now", "Should have seen the right button");
+      is(notification.getAttribute("label"),
+         "Theme Test will be installed after you restart " + gApp + ".",
+         "Should have seen the right message");
+
+      gBrowser.removeTab(gBrowser.selectedTab);
+      Services.perms.remove("example.com", "install");
+      runNextTest();
+    });
+  });
 }
 ];
 

toolkit/mozapps/extensions/amWebInstallListener.js

@@ -253,6 +253,14 @@ Installer.prototype = {
   onInstallEnded: function(aInstall) {
     aInstall.removeListener(this);
     this.installed.push(aInstall);
+
+    // If installing a theme that is disabled and can be enabled then enable it
+    if (aInstall.addon.type == "theme" &&
+        aInstall.addon.userDisabled == true &&
+        aInstall.addon.appDisabled == false) {
+      aInstall.addon.userDisabled = false;
+    }
+
     this.checkAllInstalled();
   }
 };

toolkit/mozapps/extensions/test/xpinstall/Makefile.in

@@ -91,6 +91,7 @@ _BROWSER_FILES = head.js \
                  signed-no-cn.xpi \
                  signed-untrusted.xpi \
                  signed-tampered.xpi \
+                 theme.xpi \
                  restartless.xpi \
                  incompatible.xpi \
                  empty.xpi \