From a5db0f5415a9bef9d27815e54cd37304f41866c2 Mon Sep 17 00:00:00 2001
From: Bogdan Tara <btara@mozilla.com>
Date: Fri, 3 Aug 2018 19:24:41 +0300
Subject: [PATCH] Backed out changeset 85fd8d212397 (bug 1479544) for windows
 build bustages CLOSED TREE

---
 chrome/nsChromeRegistry.cpp      | 41 ++++++++++++++++++++++++++++++++
 chrome/nsChromeRegistry.h        |  1 +
 chrome/nsIChromeRegistry.idl     |  3 +++
 dom/base/nsGlobalWindowOuter.cpp |  7 ++++++
 dom/base/nsGlobalWindowOuter.h   |  1 +
 dom/base/nsPIDOMWindow.h         |  1 +
 6 files changed, 54 insertions(+)

diff --git a/chrome/nsChromeRegistry.cpp b/chrome/nsChromeRegistry.cpp
index 027d48f62a1a..5850c011aafb 100644
--- a/chrome/nsChromeRegistry.cpp
+++ b/chrome/nsChromeRegistry.cpp
@@ -472,6 +472,47 @@ nsChromeRegistry::FlushAllCaches()
                           NS_CHROME_FLUSH_TOPIC, nullptr);
 }
 
+// xxxbsmedberg Move me to nsIWindowMediator
+NS_IMETHODIMP
+nsChromeRegistry::ReloadChrome()
+{
+  FlushAllCaches();
+  // Do a reload of all top level windows.
+  nsresult rv = NS_OK;
+
+  // Get the window mediator
+  nsCOMPtr<nsIWindowMediator> windowMediator
+    (do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
+  if (windowMediator) {
+    nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
+
+    rv = windowMediator->GetEnumerator(nullptr, getter_AddRefs(windowEnumerator));
+    if (NS_SUCCEEDED(rv)) {
+      // Get each dom window
+      bool more;
+      rv = windowEnumerator->HasMoreElements(&more);
+      if (NS_FAILED(rv)) return rv;
+      while (more) {
+        nsCOMPtr<nsISupports> protoWindow;
+        rv = windowEnumerator->GetNext(getter_AddRefs(protoWindow));
+        if (NS_SUCCEEDED(rv)) {
+          nsCOMPtr<nsPIDOMWindowOuter> domWindow = do_QueryInterface(protoWindow);
+          if (domWindow) {
+            Location* location = domWindow->GetLocation();
+            if (location) {
+              rv = location->Reload(false);
+              if (NS_FAILED(rv)) return rv;
+            }
+          }
+        }
+        rv = windowEnumerator->HasMoreElements(&more);
+        if (NS_FAILED(rv)) return rv;
+      }
+    }
+  }
+  return rv;
+}
+
 NS_IMETHODIMP
 nsChromeRegistry::AllowScriptsForPackage(nsIURI* aChromeURI, bool *aResult)
 {
diff --git a/chrome/nsChromeRegistry.h b/chrome/nsChromeRegistry.h
index b5dd03c8c68a..9d70d3678509 100644
--- a/chrome/nsChromeRegistry.h
+++ b/chrome/nsChromeRegistry.h
@@ -39,6 +39,7 @@ public:
   NS_DECL_ISUPPORTS
 
   // nsIXULChromeRegistry methods:
+  NS_IMETHOD ReloadChrome() override;
   NS_IMETHOD RefreshSkins() override;
   NS_IMETHOD AllowScriptsForPackage(nsIURI* url,
                                     bool* _retval) override;
diff --git a/chrome/nsIChromeRegistry.idl b/chrome/nsIChromeRegistry.idl
index 91814f281532..8d67c6a50066 100644
--- a/chrome/nsIChromeRegistry.idl
+++ b/chrome/nsIChromeRegistry.idl
@@ -48,6 +48,9 @@ interface nsIChromeRegistry : nsISupports
 [scriptable, uuid(93251ddf-5e85-4172-ac2a-31780562974f)]
 interface nsIXULChromeRegistry : nsIChromeRegistry
 {
+  /* Should be called when locales change to reload all chrome (including XUL). */
+  void reloadChrome();
+
   // If the optional asBCP47 parameter is true, the locale code will be
   // converted to a BCP47 language tag; in particular, this means that
   // "ja-JP-mac" will be returned as "ja-JP-x-lvariant-mac", which can be
diff --git a/dom/base/nsGlobalWindowOuter.cpp b/dom/base/nsGlobalWindowOuter.cpp
index 193ce132b602..894086f1c095 100644
--- a/dom/base/nsGlobalWindowOuter.cpp
+++ b/dom/base/nsGlobalWindowOuter.cpp
@@ -6430,6 +6430,13 @@ nsGlobalWindowOuter::GetPrivateRoot()
   return top;
 }
 
+Location*
+nsGlobalWindowOuter::GetLocation()
+{
+  // This method can be called on the outer window as well.
+  FORWARD_TO_INNER(GetLocation, (), nullptr);
+}
+
 void
 nsGlobalWindowOuter::ActivateOrDeactivate(bool aActivate)
 {
diff --git a/dom/base/nsGlobalWindowOuter.h b/dom/base/nsGlobalWindowOuter.h
index 8d73a0e54d26..7db69b85d87c 100644
--- a/dom/base/nsGlobalWindowOuter.h
+++ b/dom/base/nsGlobalWindowOuter.h
@@ -561,6 +561,7 @@ public:
   }
   void GetNameOuter(nsAString& aName);
   void SetNameOuter(const nsAString& aName, mozilla::ErrorResult& aError);
+  mozilla::dom::Location* GetLocation() override;
   void GetStatusOuter(nsAString& aStatus);
   void SetStatusOuter(const nsAString& aStatus);
   void CloseOuter(bool aTrustedCaller);
diff --git a/dom/base/nsPIDOMWindow.h b/dom/base/nsPIDOMWindow.h
index dec694fb0aac..66a0c513b501 100644
--- a/dom/base/nsPIDOMWindow.h
+++ b/dom/base/nsPIDOMWindow.h
@@ -1098,6 +1098,7 @@ public:
   // XXX(nika): These feel like they should be inner window only, but they're
   // called on the outer window.
   virtual mozilla::dom::Navigator* GetNavigator() = 0;
+  virtual mozilla::dom::Location* GetLocation() = 0;
 
   virtual nsresult GetPrompter(nsIPrompt** aPrompt) = 0;
   virtual nsresult GetControllers(nsIControllers** aControllers) = 0;