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+/* -*- 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;
+};