From aba697f2f09cde4c9e5e56820adcbcfdcd1d18f0 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Sun, 13 May 2018 19:00:02 -0400
Subject: [PATCH] fix https://github.com/uBlockOrigin/uMatrix-issues/issues/8

---
 src/js/hosts-files.js | 24 ++++++++++-------
 src/js/storage.js     | 62 ++++++++++++++++++++++++++++++-------------
 2 files changed, 59 insertions(+), 27 deletions(-)

diff --git a/src/js/hosts-files.js b/src/js/hosts-files.js
index a087490..5c930e2 100644
--- a/src/js/hosts-files.js
+++ b/src/js/hosts-files.js
@@ -48,6 +48,9 @@ vAPI.messaging.addListener(function onMessage(msg) {
     case 'loadHostsFilesCompleted':
         renderHostsFiles();
         break;
+    case 'loadRecipeFilesCompleted':
+        renderHostsFiles();
+        break;
     default:
         break;
     }
@@ -70,9 +73,7 @@ var renderHostsFiles = function(soft) {
     // Assemble a pretty list name if possible
     var listNameFromListKey = function(collection, listKey) {
         let list = collection.get(listKey);
-        let listTitle = list ? list.title : '';
-        if ( listTitle === '' ) { return listKey; }
-        return listTitle;
+        return list && list.title || listKey;
     };
 
     var liFromListEntry = function(collection, listKey, li) {
@@ -132,13 +133,22 @@ var renderHostsFiles = function(soft) {
         return li;
     };
     var onRenderAssetFiles = function(collection, listSelector) {
+        // Incremental rendering: this will allow us to easily discard unused
+        // DOM list entries.
+        uDom(listSelector + ' .listEntry:not(.notAnAsset)').addClass('discard');
+
         var assetKeys = Array.from(collection.keys());
 
         // Sort works this way:
         // - Send /^https?:/ items at the end (custom hosts file URL)
         assetKeys.sort(function(a, b) {
-            var ta = collection.get(a).title || a,
-                tb = collection.get(b).title || b;
+            let ea = collection.get(a),
+                eb = collection.get(b);
+            if ( ea.submitter !== eb.submitter ) {
+                return ea.submitter !== 'user' ? -1 : 1;
+            }
+            let ta = ea.title || a,
+                tb = eb.title || b;
             if ( reExternalHostFile.test(ta) === reExternalHostFile.test(tb) ) {
                 return ta.localeCompare(tb);
             }
@@ -178,10 +188,6 @@ var renderHostsFiles = function(soft) {
             listDetails.contributor === true
         );
 
-        // Incremental rendering: this will allow us to easily discard unused
-        // DOM list entries.
-        uDom('#hosts .listEntry:not(.notAnAsset)').addClass('discard');
-
         onRenderAssetFiles(details.hosts, '#hosts');
         onRenderAssetFiles(details.recipes, '#recipes');
 
diff --git a/src/js/storage.js b/src/js/storage.js
index b639ead..20ae6e1 100644
--- a/src/js/storage.js
+++ b/src/js/storage.js
@@ -273,33 +273,63 @@
     }
 
     let µm = this,
-        countdownCount = µm.userSettings.selectedRecipeFiles.length;
+        countdownCount = 0;
 
     if ( reset ) {
         µm.recipeManager.reset();
     }
 
-    var onLoaded = function(details) {
+    let recipeMetadata;
+
+    let onDone = function() {
+        vAPI.messaging.broadcast({ what: 'loadRecipeFilesCompleted' });
+        µm.getBytesInUse();
+        callback();
+    };
+
+    let onLoaded = function(details) {
         if ( details.content ) {
+            let entry = recipeMetadata.get(details.assetKey);
+            if ( entry.submitter === 'user' ) {
+                let match = /^! +Title: *(.+)$/im.exec(
+                    details.content.slice(2048)
+                );
+                if ( match !== null && match[1] !== entry.title ) {
+                    µm.assets.registerAssetSource(
+                        details.assetKey,
+                        { title: match[1] }
+                    );
+                }
+            }
             µm.recipeManager.fromString(details.content);
         }
         countdownCount -= 1;
         if ( countdownCount === 0 ) {
-            callback();
+            onDone();
         }
     };
 
-    for ( let assetKey of µm.userSettings.selectedRecipeFiles ) {
-        this.assets.get(assetKey, onLoaded);
-    }
-
-    let userRecipes = µm.userSettings.userRecipes;
-    if ( userRecipes.enabled ) {
-        µm.recipeManager.fromString(
-            '! uMatrix: Ruleset recipes 1.0\n' + userRecipes.content
-        );
-    }
+    let onMetadataReady = function(metadata) {
+        recipeMetadata = metadata;
+        for ( let entry of metadata ) {
+            let assetKey = entry[0];
+            let recipeFile = entry[1];
+            if ( recipeFile.selected !== true ) { continue; }
+            µm.assets.get(assetKey, onLoaded);
+            countdownCount += 1;
+        }
+        let userRecipes = µm.userSettings.userRecipes;
+        if ( userRecipes.enabled ) {
+            µm.recipeManager.fromString(
+                '! uMatrix: Ruleset recipes 1.0\n' + userRecipes.content
+            );
+        }
+        if ( countdownCount === 0 ) {
+            onDone();
+        }
+    };
 
+    this.getAvailableRecipeFiles(onMetadataReady);
 };
 
 /******************************************************************************/
@@ -406,8 +436,7 @@
             type: 'recipes',
             contentURL: assetKey,
             external: true,
-            submitter: 'user',
-            title: assetKey
+            submitter: 'user'
         };
         this.assets.registerAssetSource(assetKey, entry);
         availableRecipeFiles.set(assetKey, entry);
@@ -717,9 +746,6 @@
             'externalRecipeFiles',
             'userRecipes'
         );
-        if ( recipesChanged ) {
-            µm.recipeManager.reset();
-        }
         if ( typeof callback === 'function' ) {
             callback({
                 hostsChanged: hostsChanged,