1 files changed, 88 insertions, 0 deletions
diff --git a/layout/forms/nsButtonFrameRenderer.h b/layout/forms/nsButtonFrameRenderer.h
new file mode 100644
index 000000000..8662c52e0
--- /dev/null
+++ b/layout/forms/nsButtonFrameRenderer.h
@@ -0,0 +1,88 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsButtonFrameRenderer_h___
+#define nsButtonFrameRenderer_h___
+
+#include "imgIContainer.h"
+#include "nsMargin.h"
+
+class nsIFrame;
+class nsFrame;
+class nsDisplayList;
+class nsDisplayListBuilder;
+class nsPresContext;
+class nsRenderingContext;
+struct nsRect;
+class nsStyleContext;
+
+
+#define NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX  0
+#define NS_BUTTON_RENDERER_FOCUS_OUTER_CONTEXT_INDEX  1
+#define NS_BUTTON_RENDERER_LAST_CONTEXT_INDEX   NS_BUTTON_RENDERER_FOCUS_OUTER_CONTEXT_INDEX
+
+class nsButtonFrameRenderer {
+  typedef mozilla::image::DrawResult DrawResult;
+
+public:
+
+  nsButtonFrameRenderer();
+  ~nsButtonFrameRenderer();
+
+  /**
+   * Create display list items for the button
+   */
+  nsresult DisplayButton(nsDisplayListBuilder* aBuilder,
+                         nsDisplayList* aBackground, nsDisplayList* aForeground);
+
+
+  DrawResult PaintOutlineAndFocusBorders(nsDisplayListBuilder* aBuilder,
+                                         nsPresContext* aPresContext,
+                                         nsRenderingContext& aRenderingContext,
+                                         const nsRect& aDirtyRect,
+                                         const nsRect& aRect);
+
+  DrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
+                         nsPresContext* aPresContext,
+                         nsRenderingContext& aRenderingContext,
+                         const nsRect& aDirtyRect,
+                         const nsRect& aRect);
+
+  void SetFrame(nsFrame* aFrame, nsPresContext* aPresContext);
+ 
+  void SetDisabled(bool aDisabled, bool notify);
+
+  bool isActive();
+  bool isDisabled();
+
+  void GetButtonOuterFocusRect(const nsRect& aRect, nsRect& aResult);
+  void GetButtonRect(const nsRect& aRect, nsRect& aResult);
+  void GetButtonInnerFocusRect(const nsRect& aRect, nsRect& aResult);
+  nsMargin GetButtonOuterFocusBorderAndPadding();
+  nsMargin GetButtonBorderAndPadding();
+  nsMargin GetButtonInnerFocusMargin();
+  nsMargin GetButtonInnerFocusBorderAndPadding();
+  nsMargin GetAddedButtonBorderAndPadding();
+
+  nsStyleContext* GetStyleContext(int32_t aIndex) const;
+  void SetStyleContext(int32_t aIndex, nsStyleContext* aStyleContext);
+  void ReResolveStyles(nsPresContext* aPresContext);
+
+  nsIFrame* GetFrame();
+
+protected:
+
+private:
+
+  // cached styles for focus and outline.
+  RefPtr<nsStyleContext> mInnerFocusStyle;
+  RefPtr<nsStyleContext> mOuterFocusStyle;
+
+  nsFrame* mFrame;
+};
+
+
+#endif
+