Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

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

1 files changed, 100 insertions, 0 deletions

diff --git a/editor/libeditor/HTMLEditorEventListener.h b/editor/libeditor/HTMLEditorEventListener.h
new file mode 100644
index 0000000000..201265dfab
--- /dev/null
+++ b/editor/libeditor/HTMLEditorEventListener.h
@@ -0,0 +1,100 @@
+/* -*- 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 HTMLEditorEventListener_h
+#define HTMLEditorEventListener_h
+
+#include "EditorEventListener.h"
+
+#include "EditorForwards.h"
+#include "HTMLEditor.h"
+
+#include "nscore.h"
+
+namespace mozilla {
+
+namespace dom {
+class Element;
+}
+
+class HTMLEditorEventListener final : public EditorEventListener {
+ public:
+  HTMLEditorEventListener()
+      : EditorEventListener(),
+        mListeningToMouseMoveEventForResizers(false),
+        mListeningToMouseMoveEventForGrabber(false),
+        mListeningToResizeEvent(false) {}
+
+  // nsIDOMEventListener
+  MOZ_CAN_RUN_SCRIPT NS_IMETHOD HandleEvent(dom::Event* aEvent) override;
+
+  /**
+   * Connect() fails if aEditorBase isn't an HTMLEditor instance.
+   */
+  virtual nsresult Connect(EditorBase* aEditorBase) override;
+
+  virtual void Disconnect() override;
+
+  /**
+   * ListenToMouseMoveEventForResizers() starts to listen to or stop
+   * listening to "mousemove" events for resizers.
+   */
+  nsresult ListenToMouseMoveEventForResizers(bool aListen) {
+    if (aListen == mListeningToMouseMoveEventForResizers) {
+      return NS_OK;
+    }
+    nsresult rv = ListenToMouseMoveEventForResizersOrGrabber(aListen, false);
+    NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
+                         "HTMLEditorEventListener::"
+                         "ListenToMouseMoveEventForResizersOrGrabber() failed");
+    return rv;
+  }
+
+  /**
+   * ListenToMouseMoveEventForResizers() starts to listen to or stop
+   * listening to "mousemove" events for grabber to move absolutely
+   * positioned element.
+   */
+  nsresult ListenToMouseMoveEventForGrabber(bool aListen) {
+    if (aListen == mListeningToMouseMoveEventForGrabber) {
+      return NS_OK;
+    }
+    nsresult rv = ListenToMouseMoveEventForResizersOrGrabber(aListen, true);
+    NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
+                         "HTMLEditorEventListener::"
+                         "ListenToMouseMoveEventForResizersOrGrabber() failed");
+    return rv;
+  }
+
+  /**
+   * ListenToWindowResizeEvent() starts to listen to or stop listening to
+   * "resize" events of the document.
+   */
+  nsresult ListenToWindowResizeEvent(bool aListen);
+
+ protected:
+  MOZ_CAN_RUN_SCRIPT virtual nsresult MouseDown(
+      dom::MouseEvent* aMouseEvent) override;
+  MOZ_CAN_RUN_SCRIPT virtual nsresult MouseUp(
+      dom::MouseEvent* aMouseEvent) override;
+  MOZ_CAN_RUN_SCRIPT virtual nsresult MouseClick(
+      WidgetMouseEvent* aMouseClickEvent) override;
+
+  nsresult ListenToMouseMoveEventForResizersOrGrabber(bool aListen,
+                                                      bool aForGrabber);
+
+  MOZ_CAN_RUN_SCRIPT nsresult HandlePrimaryMouseButtonDown(
+      HTMLEditor& aHTMLEditor, dom::MouseEvent& aMouseEvent);
+  MOZ_CAN_RUN_SCRIPT nsresult HandleSecondaryMouseButtonDown(
+      HTMLEditor& aHTMLEditor, dom::MouseEvent& aMouseEvent);
+
+  bool mListeningToMouseMoveEventForResizers;
+  bool mListeningToMouseMoveEventForGrabber;
+  bool mListeningToResizeEvent;
+};
+
+}  // namespace mozilla
+
+#endif  // #ifndef HTMLEditorEventListener_h