From 77e7fcac500629602059ad573c4ff6a9ff4d93b7 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Sat, 28 Apr 2018 12:47:07 +0200
Subject: Bug 1263935 - Forward AddonManager.mapURIToAddonId to
 AddonPathService.mapURIToAddonId

Issue #102
---
 toolkit/mozapps/extensions/internal/XPIProvider.jsm | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

(limited to 'toolkit/mozapps/extensions/internal')

diff --git a/toolkit/mozapps/extensions/internal/XPIProvider.jsm b/toolkit/mozapps/extensions/internal/XPIProvider.jsm
index c43811ba8..8b49c6600 100644
--- a/toolkit/mozapps/extensions/internal/XPIProvider.jsm
+++ b/toolkit/mozapps/extensions/internal/XPIProvider.jsm
@@ -52,6 +52,10 @@ XPCOMUtils.defineLazyServiceGetter(this,
                                    "ResProtocolHandler",
                                    "@mozilla.org/network/protocol;1?name=resource",
                                    "nsIResProtocolHandler");
+XPCOMUtils.defineLazyServiceGetter(this,
+                                   "AddonPathService",
+                                   "@mozilla.org/addon-path-service;1",
+                                   "amIAddonPathService");
 
 const nsIFile = Components.Constructor("@mozilla.org/file/local;1", "nsIFile",
                                        "initWithPath");
@@ -1887,8 +1891,7 @@ this.XPIProvider = {
     logger.info("Mapping " + aID + " to " + aFile.path);
     this._addonFileMap.set(aID, aFile.path);
 
-    let service = Cc["@mozilla.org/addon-path-service;1"].getService(Ci.amIAddonPathService);
-    service.insertPath(aFile.path, aID);
+    AddonPathService.insertPath(aFile.path, aID);
   },
 
   /**
@@ -3916,16 +3919,8 @@ this.XPIProvider = {
    * @see    amIAddonManager.mapURIToAddonID
    */
   mapURIToAddonID: function XPI_mapURIToAddonID(aURI) {
-    let resolved = this._resolveURIToFile(aURI);
-    if (!resolved || !(resolved instanceof Ci.nsIFileURL))
-      return null;
-
-    for (let [id, path] of this._addonFileMap) {
-      if (resolved.file.path.startsWith(path))
-        return id;
-    }
-
-    return null;
+    // Returns `null` instead of empty string if the URI can't be mapped.
+    return AddonPathService.mapURIToAddonId(aURI) || null;
   },
 
   /**
-- 
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