1 files changed, 33 insertions, 0 deletions
diff --git a/dom/interfaces/canvas/nsIDOMCanvasRenderingContext2D.idl b/dom/interfaces/canvas/nsIDOMCanvasRenderingContext2D.idl
new file mode 100644
index 000000000..a26e81563
--- /dev/null
+++ b/dom/interfaces/canvas/nsIDOMCanvasRenderingContext2D.idl
@@ -0,0 +1,33 @@
+/* -*- Mode: IDL; 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/. */
+
+#include "nsISupports.idl"
+
+/**
+ * This interface remains only for the constants, for a context, use the
+ * WebIDL/Paris bindings instead (CanvasRenderingContext2D.webidl).
+ * The constants are used by CanvasRenderingContext2D::DrawWindow and are
+ * used in WindowsPreviewPerTab.jsm and some extensions. The constants can
+ * be referenced directly via a canvas context 2d rather than this interface,
+ * and that should be preferred in new code. 
+ */
+[uuid(4417cab7-c7eb-4e0c-b00a-c43842f0cba8)]
+interface nsIDOMCanvasRenderingContext2D : nsISupports
+{
+  // Show the caret if appropriate when drawing
+  const unsigned long DRAWWINDOW_DRAW_CARET   = 0x01;
+  // Don't flush pending layout notifications that could otherwise
+  // be batched up
+  const unsigned long DRAWWINDOW_DO_NOT_FLUSH = 0x02;
+  // Draw scrollbars and scroll the viewport if they are present
+  const unsigned long DRAWWINDOW_DRAW_VIEW    = 0x04;
+  // Use the widget layer manager if available. This means hardware
+  // acceleration may be used, but it might actually be slower or
+  // lower quality than normal. It will however more accurately reflect
+  // the pixels rendered to the screen.
+  const unsigned long DRAWWINDOW_USE_WIDGET_LAYERS = 0x08;
+  // Don't synchronously decode images - draw what we have
+  const unsigned long DRAWWINDOW_ASYNC_DECODE_IMAGES = 0x10;
+};