1 files changed, 83 insertions, 0 deletions
diff --git a/layout/forms/nsButtonFrameRenderer.h b/layout/forms/nsButtonFrameRenderer.h
new file mode 100644
index 0000000000..ea5a9cdea4
--- /dev/null
+++ b/layout/forms/nsButtonFrameRenderer.h
@@ -0,0 +1,83 @@
+/* -*- 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 nsButtonFrameRenderer_h___
+#define nsButtonFrameRenderer_h___
+
+#include "nsMargin.h"
+#include "nsCSSRenderingBorders.h"
+
+class gfxContext;
+class nsIFrame;
+class nsPresContext;
+struct nsRect;
+
+namespace mozilla {
+class nsDisplayList;
+class nsDisplayListBuilder;
+}  // namespace mozilla
+
+#define NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX 0
+#define NS_BUTTON_RENDERER_LAST_CONTEXT_INDEX \
+  NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX
+
+class nsButtonFrameRenderer {
+  using nsDisplayList = mozilla::nsDisplayList;
+  using nsDisplayListBuilder = mozilla::nsDisplayListBuilder;
+
+  typedef mozilla::image::ImgDrawResult ImgDrawResult;
+  typedef mozilla::ComputedStyle ComputedStyle;
+
+ public:
+  nsButtonFrameRenderer();
+  ~nsButtonFrameRenderer();
+
+  /**
+   * Create display list items for the button
+   */
+  nsresult DisplayButton(nsDisplayListBuilder* aBuilder,
+                         nsDisplayList* aBackground,
+                         nsDisplayList* aForeground);
+
+  ImgDrawResult PaintInnerFocusBorder(nsDisplayListBuilder* aBuilder,
+                                      nsPresContext* aPresContext,
+                                      gfxContext& aRenderingContext,
+                                      const nsRect& aDirtyRect,
+                                      const nsRect& aRect);
+
+  mozilla::Maybe<nsCSSBorderRenderer> CreateInnerFocusBorderRenderer(
+      nsDisplayListBuilder* aBuilder, nsPresContext* aPresContext,
+      gfxContext* aRenderingContext, const nsRect& aDirtyRect,
+      const nsRect& aRect, bool* aBorderIsEmpty);
+
+  ImgDrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
+                            nsPresContext* aPresContext,
+                            gfxContext& aRenderingContext,
+                            const nsRect& aDirtyRect, const nsRect& aRect);
+
+  void SetFrame(nsIFrame* aFrame, nsPresContext* aPresContext);
+
+  void SetDisabled(bool aDisabled, bool notify);
+
+  bool isActive();
+  bool isDisabled();
+
+  void GetButtonInnerFocusRect(const nsRect& aRect, nsRect& aResult);
+
+  ComputedStyle* GetComputedStyle(int32_t aIndex) const;
+  void SetComputedStyle(int32_t aIndex, ComputedStyle* aComputedStyle);
+  void ReResolveStyles(nsPresContext* aPresContext);
+
+  nsIFrame* GetFrame();
+
+ private:
+  // cached style for optional inner focus outline (used on Windows).
+  RefPtr<ComputedStyle> mInnerFocusStyle;
+
+  nsIFrame* mFrame;
+};
+
+#endif