Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/toolkit/components/places/nsPlacesMacros.h b/toolkit/components/places/nsPlacesMacros.h
new file mode 100644
index 0000000000..b6ce4def39
--- /dev/null
+++ b/toolkit/components/places/nsPlacesMacros.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Call a method on each observer in a category cache, then call the same
+// method on the observer array.
+#define NOTIFY_OBSERVERS(canFire, array, type, method) \
+  PR_BEGIN_MACRO                                       \
+  if (canFire) {                                       \
+    ENUMERATE_WEAKARRAY(array, type, method)           \
+  }                                                    \
+  PR_END_MACRO;
+
+#define NOTIFY_BOOKMARKS_OBSERVERS(canFire, array, skipIf, method) \
+  PR_BEGIN_MACRO                                                   \
+  if (canFire) {                                                   \
+    for (uint32_t idx = 0; idx < array.Length(); ++idx) {          \
+      const nsCOMPtr<nsINavBookmarkObserver>& e =                  \
+          array.ElementAt(idx).GetValue();                         \
+      if (e) {                                                     \
+        if (skipIf(e)) continue;                                   \
+        e->method;                                                 \
+      }                                                            \
+    }                                                              \
+  }                                                                \
+  PR_END_MACRO;
+
+#define PLACES_FACTORY_SINGLETON_IMPLEMENTATION(_className, _sInstance)     \
+  _className* _className::_sInstance = nullptr;                             \
+                                                                            \
+  already_AddRefed<_className> _className::GetSingleton() {                 \
+    if (_sInstance) {                                                       \
+      RefPtr<_className> ret = _sInstance;                                  \
+      return ret.forget();                                                  \
+    }                                                                       \
+    _sInstance = new _className();                                          \
+    RefPtr<_className> ret = _sInstance;                                    \
+    if (NS_FAILED(_sInstance->Init())) {                                    \
+      /* Null out ret before _sInstance so the destructor doesn't assert */ \
+      ret = nullptr;                                                        \
+      _sInstance = nullptr;                                                 \
+      return nullptr;                                                       \
+    }                                                                       \
+    return ret.forget();                                                    \
+  }