Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 69 insertions, 0 deletions

diff --git a/dom/commandhandler/nsCommandManager.h b/dom/commandhandler/nsCommandManager.h
new file mode 100644
index 0000000000..77a10e5f35
--- /dev/null
+++ b/dom/commandhandler/nsCommandManager.h
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef nsCommandManager_h__
+#define nsCommandManager_h__
+
+#include "nsString.h"
+#include "nsClassHashtable.h"
+#include "nsWeakReference.h"
+
+#include "nsICommandManager.h"
+#include "nsCycleCollectionParticipant.h"
+
+class nsIController;
+template <class E>
+class nsCOMArray;
+
+class nsCommandManager final : public nsICommandManager,
+                               public nsSupportsWeakReference {
+ public:
+  using ObserverList = nsTArray<nsCOMPtr<nsIObserver>>;
+
+  nsCommandManager() = delete;
+
+  /**
+   * @param aWindow     An window which is what this command manager lives on.
+   */
+  explicit nsCommandManager(mozIDOMWindowProxy* aWindow);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCommandManager, nsICommandManager)
+
+  NS_DECL_NSICOMMANDMANAGER
+
+  /**
+   * Notify the command manager that the status of a command changed. It may
+   * have changed from enabled to disabled, or vice versa, or become toggled
+   * etc.
+   */
+  void CommandStatusChanged(const char* aCommandName);
+
+  bool IsCommandEnabled(const nsCString& aCommandName,
+                        mozIDOMWindowProxy* aTargetWindow);
+
+ protected:
+  virtual ~nsCommandManager();
+
+  nsresult GetControllerForCommand(const char* aCommand,
+                                   mozIDOMWindowProxy* aDirectedToThisWindow,
+                                   nsIController** aResult);
+
+ protected:
+  nsClassHashtable<nsCharPtrHashKey, ObserverList> mObserversTable;
+
+  mozIDOMWindowProxy* mWindow;  // weak ptr. The window should always outlive us
+};
+
+nsCommandManager* nsICommandManager::AsCommandManager() {
+  return static_cast<nsCommandManager*>(this);
+}
+
+const nsCommandManager* nsICommandManager::AsCommandManager() const {
+  return static_cast<const nsCommandManager*>(this);
+}
+
+#endif  // nsCommandManager_h__