Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 60 insertions, 0 deletions

diff --git a/layout/generic/AutoCopyListener.h b/layout/generic/AutoCopyListener.h
new file mode 100644
index 0000000000..acb0aaa46d
--- /dev/null
+++ b/layout/generic/AutoCopyListener.h
@@ -0,0 +1,60 @@
+/* -*- 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 mozilla_AutoCopyListener_h
+#define mozilla_AutoCopyListener_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/Selection.h"
+#include "mozilla/StaticPrefs_clipboard.h"
+#include "nsIClipboard.h"
+
+namespace mozilla {
+
+class AutoCopyListener final {
+ public:
+  /**
+   * OnSelectionChange() is called when a Selection whose NotifyAutoCopy() was
+   * called is changed.
+   *
+   * @param aDocument           The document of the Selection.  May be nullptr.
+   * @param aSelection          The selection.
+   * @param aReason             The reasons of the change.
+   *                            See nsISelectionListener::*_REASON.
+   */
+  static void OnSelectionChange(dom::Document* aDocument,
+                                dom::Selection& aSelection, int16_t aReason);
+
+  /**
+   * Init() initializes all static members of this class.  Should be called
+   * only once.
+   */
+  static void Init(int16_t aClipboardID) {
+    MOZ_ASSERT(IsValidClipboardID(aClipboardID));
+    static bool sInitialized = false;
+    if (!sInitialized && IsValidClipboardID(aClipboardID)) {
+      sClipboardID = aClipboardID;
+      sInitialized = true;
+    }
+  }
+
+  /**
+   * IsPrefEnabled() returns true if the pref enables auto-copy feature.
+   */
+  static bool IsPrefEnabled() { return StaticPrefs::clipboard_autocopy(); }
+
+ private:
+  static bool IsValidClipboardID(int16_t aClipboardID) {
+    return aClipboardID >= nsIClipboard::kSelectionClipboard &&
+           aClipboardID <= nsIClipboard::kSelectionCache;
+  }
+
+  static int16_t sClipboardID;
+};
+
+}  // namespace mozilla
+
+#endif  // #ifndef mozilla_AutoCopyListener_h