Bug 738818 part 1: replace originalDefaultEngine with defaultEngine and make defaultEngine a settable. r=gavin

Author: mikedeboer

browser/base/content/test/browser_canonizeURL.js

@@ -17,7 +17,7 @@ var pairs = [
   ["1.1.1.1", "http://1.1.1.1/"],
   ["ftp://example", "ftp://example/"],
   ["ftp.example.bar", "ftp://ftp.example.bar/"],
-  ["ex ample", Services.search.originalDefaultEngine.getSubmission("ex ample", null, "keyword").uri.spec],
+  ["ex ample", Services.search.defaultEngine.getSubmission("ex ample", null, "keyword").uri.spec],
 ];
 
 function testNext() {

browser/base/content/test/browser_keywordSearch.js

@@ -7,30 +7,12 @@ var gTests = [
   {
     name: "normal search (search service)",
     testText: "test search",
-    searchURL: Services.search.originalDefaultEngine.getSubmission("test search", null, "keyword").uri.spec
+    searchURL: Services.search.defaultEngine.getSubmission("test search", null, "keyword").uri.spec
   },
   {
     name: "?-prefixed search (search service)",
     testText: "?   foo  ",
-    searchURL: Services.search.originalDefaultEngine.getSubmission("foo", null, "keyword").uri.spec
-  },
-  {
-    name: "normal search (keyword.url)",
-    testText: "test search",
-    keywordURLPref: "http://example.com/?q=",
-    searchURL: "http://example.com/?q=test+search"
-  },
-  {
-    name: "?-prefixed search (keyword.url)",
-    testText: "?   foo  ",
-    keywordURLPref: "http://example.com/?q=",
-    searchURL: "http://example.com/?q=foo"
-  },
-  {
-    name: "encoding test (keyword.url)",
-    testText: "test encoded+%/",
-    keywordURLPref: "http://example.com/?q=",
-    searchURL: "http://example.com/?q=test+encoded%2B%25%2F"
+    searchURL: Services.search.defaultEngine.getSubmission("foo", null, "keyword").uri.spec
   }
 ];
 

browser/components/search/test/browser_google.js

@@ -57,7 +57,7 @@ function test() {
   let engine = Services.search.getEngineByName("Google");
   ok(engine, "Google");
 
-  is(Services.search.originalDefaultEngine, engine, "Check that Google is the default search engine");
+  is(Services.search.defaultEngine, engine, "Check that Google is the default search engine");
 
   let distributionID;
   try {

browser/modules/AboutHomeUtils.jsm

@@ -24,7 +24,7 @@ this.AboutHomeUtils = {
  * search engine.
  */
 XPCOMUtils.defineLazyGetter(AboutHomeUtils, "defaultSearchEngine", function() {
-  let defaultEngine = Services.search.originalDefaultEngine;
+  let defaultEngine = Services.search.defaultEngine;
   let submission = defaultEngine.getSubmission("_searchTerms_", null, "homepage");
   if (submission.postData) {
     throw new Error("Home page does not support POST search engines.");

docshell/base/nsDefaultURIFixup.cpp

@@ -364,7 +364,7 @@ NS_IMETHODIMP nsDefaultURIFixup::KeywordToURI(const nsACString& aKeyword,
     nsCOMPtr<nsIBrowserSearchService> searchSvc = do_GetService("@mozilla.org/browser/search-service;1");
     if (searchSvc) {
         nsCOMPtr<nsISearchEngine> defaultEngine;
-        searchSvc->GetOriginalDefaultEngine(getter_AddRefs(defaultEngine));
+        searchSvc->GetDefaultEngine(getter_AddRefs(defaultEngine));
         if (defaultEngine) {
             nsCOMPtr<nsISearchSubmission> submission;
             // We allow default search plugins to specify alternate

docshell/test/browser/browser_search_notification.js

@@ -11,7 +11,7 @@ function test() {
     Services.obs.removeObserver(observer, "keyword-search");
     is(topic, "keyword-search", "Got keyword-search notification");
 
-    let engine = Services.search.originalDefaultEngine;
+    let engine = Services.search.defaultEngine;
     ok(engine, "Have default search engine.");
     is(engine.name, data, "Notification data is engine name.");
 

mobile/android/chrome/content/browser.js

@@ -5775,8 +5775,7 @@ var SearchEngines = {
 
   getSuggestionEngine: function () {
     let engines = [ Services.search.currentEngine,
-                    Services.search.defaultEngine,
-                    Services.search.originalDefaultEngine ];
+                    Services.search.defaultEngine ];
 
     for (let i = 0; i < engines.length; i++) {
       let engine = engines[i];

netwerk/base/public/nsIBrowserSearchService.idl

@@ -154,7 +154,7 @@ interface nsIBrowserSearchInitObserver : nsISupports
   void onInitComplete(in nsresult aStatus);
 };
 
-[scriptable, uuid(a676eb70-6987-4429-a668-3e253b6f7c7c)]
+[scriptable, uuid(89beea9f-61a8-45d3-818d-b259f00195fe)]
 interface nsIBrowserSearchService : nsISupports
 {
   /**
@@ -330,20 +330,13 @@ interface nsIBrowserSearchService : nsISupports
    * The default search engine. Returns the first visible engine if the default
    * engine is hidden. May be null if there are no visible search engines.
    */
-  readonly attribute nsISearchEngine defaultEngine;
+  attribute nsISearchEngine defaultEngine;
 
   /**
    * The currently active search engine. May be null if there are no visible
    * search engines.
    */
   attribute nsISearchEngine currentEngine;
-
-  /**
-   * The original default engine. This differs from the "defaultEngine"
-   * attribute in that it always returns a given build's default engine,
-   * regardless of whether it is hidden.
-   */
-  readonly attribute nsISearchEngine originalDefaultEngine;
 };
 
 %{ C++
@@ -383,4 +376,11 @@ interface nsIBrowserSearchService : nsISupports
  */
 #define SEARCH_ENGINE_CURRENT      "engine-current";
 
+/**
+ * Sent when the "default" engine is changed.
+ */
+#define SEARCH_ENGINE_DEFAULT      "engine-default";
+
+
+
 %}

toolkit/components/search/nsSearchService.js

@@ -58,6 +58,7 @@ const SEARCH_ENGINE_ADDED        = "engine-added";
 const SEARCH_ENGINE_CHANGED      = "engine-changed";
 const SEARCH_ENGINE_LOADED       = "engine-loaded";
 const SEARCH_ENGINE_CURRENT      = "engine-current";
+const SEARCH_ENGINE_DEFAULT      = "engine-default";
 
 // The following constants are left undocumented in nsIBrowserSearchService.idl
 // For the moment, they are meant for testing/debugging purposes only.
@@ -3463,15 +3464,22 @@ SearchService.prototype = {
       FAIL("no engine passed to removeEngine!");
 
     var engineToRemove = null;
-    for (var e in this._engines)
+    for (var e in this._engines) {
       if (aEngine.wrappedJSObject == this._engines[e])
         engineToRemove = this._engines[e];
+    }
 
     if (!engineToRemove)
       FAIL("removeEngine: Can't find engine to remove!", Cr.NS_ERROR_FILE_NOT_FOUND);
 
-    if (engineToRemove == this.currentEngine)
+    if (engineToRemove == this.currentEngine) {
       this._currentEngine = null;
+    }
+    
+    if (engineToRemove == this.defaultEngine) {
+      this._defaultEngine = null;
+      Services.prefs.clearUserPref(BROWSER_SEARCH_PREF + "defaultenginename");
+    }
 
     if (engineToRemove._readOnly) {
       // Just hide it (the "hidden" setter will notify) and remove its alias to
@@ -3564,18 +3572,36 @@ SearchService.prototype = {
     }
   },
 
-  get originalDefaultEngine() {
+  get defaultEngine() {
     this._ensureInitialized();
-    const defPref = BROWSER_SEARCH_PREF + "defaultenginename";
-    return this.getEngineByName(getLocalizedPref(defPref, ""));
+    if (!this._defaultEngine || this._defaultEngine.hidden) {
+      let defPref = BROWSER_SEARCH_PREF + "defaultenginename";
+      let defaultEngine = this.getEngineByName(getLocalizedPref(defPref, ""))
+      if (!defaultEngine || defaultEngine.hidden)
+        defaultEngine = this._getSortedEngines(false)[0] || null;
+      this._defaultEngine = defaultEngine;
+    }
+    return this._defaultEngine;
   },
 
-  get defaultEngine() {
+  set defaultEngine(val) {
     this._ensureInitialized();
-    let defaultEngine = this.originalDefaultEngine;
-    if (!defaultEngine || defaultEngine.hidden)
-      defaultEngine = this._getSortedEngines(false)[0] || null;
-    return defaultEngine;
+    if (!(val instanceof Ci.nsISearchEngine))
+      FAIL("Invalid argument passed to defaultEngine setter");
+
+    let newDefaultEngine = this.getEngineByName(val.name);
+    if (!newDefaultEngine)
+      FAIL("Can't find engine in store!", Cr.NS_ERROR_UNEXPECTED);
+
+    if (newDefaultEngine == this._defaultEngine)
+      return;
+
+    this._defaultEngine = newDefaultEngine;
+
+    let defPref = BROWSER_SEARCH_PREF + "defaultenginename";
+    setLocalizedPref(defPref, this._defaultEngine.name);
+
+    notifyAction(this._defaultEngine, SEARCH_ENGINE_DEFAULT);
   },
 
   get currentEngine() {
@@ -3590,6 +3616,7 @@ SearchService.prototype = {
       this._currentEngine = this.defaultEngine;
     return this._currentEngine;
   },
+
   set currentEngine(val) {
     this._ensureInitialized();
     if (!(val instanceof Ci.nsISearchEngine))
@@ -3599,6 +3626,9 @@ SearchService.prototype = {
     if (!newCurrentEngine)
       FAIL("Can't find engine in store!", Cr.NS_ERROR_UNEXPECTED);
 
+    if (newCurrentEngine == this._currentEngine)
+      return;
+
     this._currentEngine = newCurrentEngine;
 
     var currentEnginePref = BROWSER_SEARCH_PREF + "selectedEngine";

toolkit/components/search/tests/xpcshell/data/engine2.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"> 
+  <ShortName>A second test engine</ShortName> 
+  <Description>A second test search engine (based on DuckDuckGo)</Description> 
+  <InputEncoding>UTF-8</InputEncoding> 
+  <LongName>A second test search engine (based on DuckDuckGo)</LongName> 
+  <Image width="16" 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