Add m-esr52 at 52.6.0

1 files changed, 50 insertions, 0 deletions

diff --git a/widget/windows/WinTextEventDispatcherListener.h b/widget/windows/WinTextEventDispatcherListener.h
new file mode 100644
index 000000000..d4e7965d9
--- /dev/null
+++ b/widget/windows/WinTextEventDispatcherListener.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+#ifndef WinTextEventDispatcherListener_h_
+#define WinTextEventDispatcherListener_h_
+
+#include "mozilla/Attributes.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/TextEventDispatcherListener.h"
+
+namespace mozilla {
+namespace widget {
+
+/**
+ * On Windows, it's enough TextEventDispatcherListener to be a singleton
+ * because we have only one input context per process (IMM can create
+ * multiple IM context but we don't support such behavior).
+ */
+
+class WinTextEventDispatcherListener final : public TextEventDispatcherListener
+{
+public:
+  static WinTextEventDispatcherListener* GetInstance();
+  static void Shutdown();
+
+  NS_DECL_ISUPPORTS
+
+  NS_IMETHOD NotifyIME(TextEventDispatcher* aTextEventDispatcher,
+                       const IMENotification& aNotification) override;
+  NS_IMETHOD_(void) OnRemovedFrom(
+                      TextEventDispatcher* aTextEventDispatcher) override;
+  NS_IMETHOD_(void) WillDispatchKeyboardEvent(
+                      TextEventDispatcher* aTextEventDispatcher,
+                      WidgetKeyboardEvent& aKeyboardEvent,
+                      uint32_t aIndexOfKeypress,
+                      void* aData) override;
+
+private:
+  WinTextEventDispatcherListener();
+  virtual ~WinTextEventDispatcherListener();
+
+  static StaticRefPtr<WinTextEventDispatcherListener> sInstance;
+};
+
+} // namespace widget
+} // namespace mozilla
+
+#endif // #ifndef WinTextEventDispatcherListener_h_