[not part of build] generalized printing support.

widget/public/nsIPrintingContext.h

@@ -0,0 +1,76 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ *  Patrick C. Beard <beard@netscape.com>
+ */
+
+#ifndef nsIPrintingContextMac_h___
+#define nsIPrintingContextMac_h___
+
+#include "nsISupports.h"
+
+// 3d5917da-1dd2-11b2-bc7b-aa83823362e0
+#define NS_IPRINTING_CONTEXT_IID    \
+{ 0x3d5917da, 0x1dd2, 0x11b2,       \
+{ 0xbc, 0x7b, 0xaa, 0x83, 0x82, 0x33, 0x62, 0xe0 } }
+
+class nsIPrintingContext : public nsISupports {
+public:
+    NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPRINTING_CONTEXT_IID)
+    /**
+     * Initialize the printing context for use.
+     * @param aQuiet if PR_TRUE, prevent the need for user intervention
+     *        in obtaining device context spec. if nsnull is passed in for
+     *        the aOldSpec, this will typically result in getting a device
+     *        context spec for the default output device (i.e. default
+     *        printer).
+     * @return error status
+    */
+    NS_IMETHOD Init(PRBool aQuiet) = 0;
+
+    /**
+     * This will tell if the printmanager is currently open
+     * @update   dc 12/03/98
+     * @param aIsOpen True or False depending if the printmanager is open
+     * @return error status
+     */
+    NS_IMETHOD PrintManagerOpen(PRBool* aIsOpen) = 0;
+
+    /**
+     * Closes the printmanager if it is open.
+     * @update   dc 12/03/98
+     * @return error status
+     */
+    NS_IMETHOD ClosePrintManager() = 0;
+    
+    NS_IMETHOD BeginDocument() = 0;
+    
+    NS_IMETHOD EndDocument() = 0;
+    
+    NS_IMETHOD BeginPage() = 0;
+    
+    NS_IMETHOD EndPage() = 0;
+    
+    NS_IMETHOD GetPrinterResolution(double* aResolution) = 0;
+    
+    NS_IMETHOD GetPageRect(double* aTop, double* aLeft, double* aBottom, double* aRight) = 0;
+};
+
+#endif /* nsIPrintingContextMac_h___ */