1 files changed, 85 insertions, 0 deletions
diff --git a/layout/xul/nsScrollbarButtonFrame.h b/layout/xul/nsScrollbarButtonFrame.h
new file mode 100644
index 0000000000..2499c8c134
--- /dev/null
+++ b/layout/xul/nsScrollbarButtonFrame.h
@@ -0,0 +1,85 @@
+/* -*- 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/. */
+
+/**
+
+  Eric D Vaughan
+  This class lays out its children either vertically or horizontally
+
+**/
+
+#ifndef nsScrollbarButtonFrame_h___
+#define nsScrollbarButtonFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsBoxFrame.h"
+#include "nsRepeatService.h"
+
+namespace mozilla {
+class PresShell;
+}  // namespace mozilla
+
+class nsScrollbarButtonFrame final : public nsBoxFrame {
+ public:
+  NS_DECL_FRAMEARENA_HELPERS(nsScrollbarButtonFrame)
+
+  explicit nsScrollbarButtonFrame(ComputedStyle* aStyle,
+                                  nsPresContext* aPresContext)
+      : nsBoxFrame(aStyle, aPresContext, kClassID), mCursorOnThis(false) {}
+
+  // Overrides
+  virtual void DestroyFrom(nsIFrame* aDestructRoot,
+                           PostDestroyData& aPostDestroyData) override;
+
+  friend nsIFrame* NS_NewScrollbarButtonFrame(mozilla::PresShell* aPresShell,
+                                              ComputedStyle* aStyle);
+
+  nsresult HandleEvent(nsPresContext* aPresContext,
+                       mozilla::WidgetGUIEvent* aEvent,
+                       nsEventStatus* aEventStatus) override;
+
+  static nsresult GetChildWithTag(nsAtom* atom, nsIFrame* start,
+                                  nsIFrame*& result);
+  static nsresult GetParentWithTag(nsAtom* atom, nsIFrame* start,
+                                   nsIFrame*& result);
+
+  bool HandleButtonPress(nsPresContext* aPresContext,
+                         mozilla::WidgetGUIEvent* aEvent,
+                         nsEventStatus* aEventStatus);
+
+  NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
+                                 mozilla::WidgetGUIEvent* aEvent,
+                                 nsEventStatus* aEventStatus,
+                                 bool aControlHeld) override {
+    return NS_OK;
+  }
+
+  MOZ_CAN_RUN_SCRIPT
+  NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
+                        mozilla::WidgetGUIEvent* aEvent,
+                        nsEventStatus* aEventStatus) override {
+    return NS_OK;
+  }
+
+  NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
+                           mozilla::WidgetGUIEvent* aEvent,
+                           nsEventStatus* aEventStatus) override;
+
+ protected:
+  void StartRepeat() {
+    nsRepeatService::GetInstance()->Start(Notify, this, mContent->OwnerDoc(),
+                                          "nsScrollbarButtonFrame"_ns);
+  }
+  void StopRepeat() { nsRepeatService::GetInstance()->Stop(Notify, this); }
+  void Notify();
+  static void Notify(void* aData) {
+    static_cast<nsScrollbarButtonFrame*>(aData)->Notify();
+  }
+
+  bool mCursorOnThis;
+};
+
+#endif