for #242: disable move when incompatible add-ons detected

index.js

@@ -8,6 +8,12 @@ const DEFAULT_TAB = "about:newtab";
 const SHOW_MENU_TIMEOUT = 100;
 const HIDE_MENU_TIMEOUT = 300;
 
+const INCOMPATIBLE_ADDON_IDS = [
+  "pulse@mozilla.com",
+  "snoozetabs@mozilla.com",
+  "jid1-NeEaf3sAHdKHPA@jetpack" // PageShot
+];
+
 const IDENTITY_COLORS = [
  { name: "blue", color: "#00a7e0" },
  { name: "turquoise", color: "#01bdad" },
@@ -40,6 +46,7 @@ const PREFS = [
   [ "privacy.usercontext.about_newtab_segregation.enabled", true ],
 ];
 
+const { AddonManager } = require("resource://gre/modules/AddonManager.jsm");
 const { attachTo, detachFrom } = require("sdk/content/mod");
 const { Cu } = require("chrome");
 const { ContextualIdentityService } = require("resource://gre/modules/ContextualIdentityService.jsm");
@@ -181,7 +188,8 @@ const ContainerService = {
       "removeIdentity",
       "updateIdentity",
       "getPreference",
-      "sendTelemetryPayload"
+      "sendTelemetryPayload",
+      "checkIncompatibleAddons"
     ];
 
     // Map of identities.
@@ -488,6 +496,15 @@ const ContainerService = {
     this._sendEvent(payload);
   },
 
+  checkIncompatibleAddons() {
+    return new Promise(resolve => {
+      AddonManager.getAddonsByIDs(INCOMPATIBLE_ADDON_IDS, (addons) => {
+        addons = addons.filter((a) => a && a.isActive);
+        resolve(addons.length !== 0);
+      });
+    });
+  },
+
   // Tabs management
 
   hideTabs(args) {

webextension/css/popup.css

@@ -420,7 +420,13 @@ span ~ .panel-header-text {
   margin-block-start: 4px;
 }
 
-.container-info-tab-row:not(.clickable) {
+#container-info-movetabs-incompat {
+  font-size: 10px;
+  opacity: 0.3;
+}
+
+.container-info-tab-row:not(.clickable),
+.select-row:not(.clickable) {
   opacity: 0.3;
 }
 

webextension/js/popup.js

@@ -302,13 +302,36 @@ Logic.registerPanel(P_CONTAINER_INFO, {
       });
     });
 
-    document.querySelector("#container-info-movetabs").addEventListener("click", () => {
-      return browser.runtime.sendMessage({
-        method: "moveTabsToWindow",
-        userContextId: Logic.currentIdentity().userContextId,
-      }).then(() => {
-        window.close();
-      });
+    // Check if the user has incompatible add-ons installed
+    browser.runtime.sendMessage({
+      method: "checkIncompatibleAddons"
+    }).then(incompatible => {
+      const moveTabsEl = document.querySelector("#container-info-movetabs");
+      if (incompatible) {
+        const fragment = document.createDocumentFragment();
+        const incompatEl = document.createElement("div");
+
+        moveTabsEl.classList.remove("clickable");
+        moveTabsEl.setAttribute("title", "Moving container tabs is incompatible with Pulse, PageShot, and SnoozeTabs.");
+
+        fragment.appendChild(incompatEl);
+        incompatEl.setAttribute("id", "container-info-movetabs-incompat");
+        incompatEl.innerText = "Incompatible with other Experiments.";
+        incompatEl.classList.add("container-info-tab-row");
+
+        moveTabsEl.parentNode.insertBefore(fragment, moveTabsEl.nextSibling);
+      } else {
+        moveTabsEl.addEventListener("click", () => {
+          return browser.runtime.sendMessage({
+            method: "moveTabsToWindow",
+            userContextId: Logic.currentIdentity().userContextId,
+          }).then(() => {
+            window.close();
+          });
+        });
+      }
+    }).catch(() => {
+      throw new Error("Could not check for incompatible add-ons.");
     });
   },