Back out a104642698a0 (bug 842762) for b2g test bustage

CLOSED TREE

addon-sdk/source/lib/sdk/selection.js

@@ -20,7 +20,7 @@ const { Ci, Cc } = require("chrome"),
     { when: unload } = require("./system/unload"),
     { getTabs, getTabContentWindow, getTabForContentWindow,
       getAllTabContentWindows } = require('./tabs/utils'),
-    { getMostRecentBrowserWindow,
+    { getInnerId, getMostRecentBrowserWindow,
       windows, getFocusedWindow, getFocusedElement } = require("./window/utils"),
     events = require("./system/events");
 
@@ -321,6 +321,17 @@ function addSelectionListener(window) {
   window.addEventListener("select", selectionListener.onSelect, true);
 
   selections(window).selection = selection;
+
+  let innerId = getInnerId(window);
+
+  events.on("inner-window-destroyed", function destroyed (event) {
+    let destroyedId = event.subject.QueryInterface(Ci.nsISupportsPRUint64).data;
+
+    if (destroyedId === innerId) {
+      removeSelectionListener(window);
+      events.off("inner-window-destroyed", destroyed);
+    }
+  });
 };
 
 /**
@@ -371,7 +382,7 @@ getAllTabContentWindows().forEach(addSelectionListener);
 //
 // See bug 665386 for further details.
 
-function onShown(event) {
+events.on("document-shown", function (event) {
   let window = event.subject.defaultView;
 
   // We are not interested in documents without valid defaultView.
@@ -397,21 +408,17 @@ function onShown(event) {
     if (currentSelection instanceof Ci.nsISelectionPrivate &&
       currentSelection !== selection) {
 
-      window.addEventListener("select", selectionListener.onSelect, true);
       currentSelection.addSelectionListener(selectionListener);
       selections(window).selection = currentSelection;
     }
   }
-}
-
-events.on("document-shown", onShown, true);
+});
 
 // Removes Selection listeners when the add-on is unloaded
 unload(function(){
   getAllTabContentWindows().forEach(removeSelectionListener);
 
   events.off("document-element-inserted", onContent);
-  events.off("document-shown", onShown);
 
   off(exports);
 });