mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 22:25:30 +00:00
143 lines
4.7 KiB
C++
143 lines
4.7 KiB
C++
/* -*- 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 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
#ifndef nsIPageSequenceFrame_h___
|
|
#define nsIPageSequenceFrame_h___
|
|
|
|
#include "nslayout.h"
|
|
#include "nsISupports.h"
|
|
|
|
class nsIPresContext;
|
|
|
|
// IID for the nsIPageSequenceFrame interface
|
|
// a6cf90d2-15b3-11d2-932e-00805f8add32
|
|
#define NS_IPAGESEQUENCEFRAME_IID \
|
|
{ 0xa6cf90d2, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
|
|
|
|
// IID for the nsIPrintStatusCallback interface
|
|
// a6cf90d3-15b3-11d2-932e-00805f8add32
|
|
#define NS_IPRINTSTATUSCALLBACK_IID \
|
|
{ 0xa6cf90d3, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
/**
|
|
* List of status codes that provide additional information about the
|
|
* progress of the print operation.
|
|
* @see nsIPrintStatusCallback#OnProgress()
|
|
*/
|
|
enum nsPrintStatus {
|
|
ePrintStatus_StartPage, // beginning the specified page
|
|
ePrintStatus_EndPage // finished with the specified page
|
|
};
|
|
|
|
/**
|
|
* List of print error codes.
|
|
* @see nsIPrintStatusCallback##OnError()
|
|
*/
|
|
enum nsPrintError {
|
|
ePrintError_Error, // unspecified error
|
|
ePrintError_Abort, // operation was aborted by the user
|
|
ePrintError_OutOfDisk, // system is out of disk space
|
|
ePrintError_OutOfMemory // system is out of memory
|
|
};
|
|
|
|
/**
|
|
* The page sequence frame provides information on the print operation by
|
|
* calling notification methods on the client's nsIPrintStatusCallback
|
|
* interface.
|
|
*/
|
|
class nsIPrintStatusCallback : public nsISupports {
|
|
public:
|
|
/**
|
|
* Indicates the current progress of the print operation.
|
|
*
|
|
* @param aPageNumber the number of the current page
|
|
* @param aTotalPages the total number of pages
|
|
* @param aStatusCode additional information regarding the progress
|
|
* @param aContinuePrinting return PR_TRUE to continue printing and
|
|
* PR_FALSE to cancel the printing operation
|
|
*/
|
|
NS_IMETHOD OnProgress(PRInt32 aPageNumber,
|
|
PRInt32 aTotalPages,
|
|
nsPrintStatus aStatusCode,
|
|
PRBool& aContinuePrinting) = 0;
|
|
|
|
/**
|
|
* Notification that an error has occured.
|
|
*/
|
|
NS_IMETHOD OnError(nsPrintError aErrorCode) = 0;
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
enum nsPrintRange {
|
|
ePrintRange_AllPages, // print all pages
|
|
ePrintRange_SpecifiedRange // only print pages in the specified range
|
|
};
|
|
|
|
/**
|
|
* Structure containing options for printing.
|
|
*/
|
|
struct nsPrintOptions {
|
|
nsPrintRange range;
|
|
PRInt32 startPage, endPage; // only used for ePrintRange_SpecifiedRange
|
|
PRPackedBool oddNumberedPages; // print the odd-numbered pages
|
|
PRPackedBool evenNumberedPages; // print the even-numbered pages
|
|
|
|
nsPrintOptions() {
|
|
range = ePrintRange_AllPages;
|
|
startPage = endPage = 1;
|
|
oddNumberedPages = evenNumberedPages = PR_TRUE;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Interface for accessing special capabilities of the page sequence frame.
|
|
*
|
|
* Today all that exists are member functions for printing.
|
|
*/
|
|
class nsIPageSequenceFrame : public nsISupports {
|
|
public:
|
|
|
|
/**
|
|
* Print the set of pages.
|
|
*
|
|
* @param aPrintOptions options for printing
|
|
* @param aStatusCallback interface that the client provides to receive
|
|
* progress notifications. Can be NULL
|
|
* @return NS_OK if successful
|
|
* NS_ERROR_ABORT if the client cancels printing using the callback
|
|
* interface
|
|
* NS_ERROR_INVALID_ARG if printing a range of pages (not all pages)
|
|
* and the start page is greater than the total number of pages
|
|
* NS_ERROR_FAILURE if there is an error
|
|
* @see nsIPrintStatusCallback#OnProgress()
|
|
*/
|
|
NS_IMETHOD Print(nsIPresContext& aPresContext,
|
|
const nsPrintOptions& aPrintOptions,
|
|
nsIPrintStatusCallback* aStatusCallback) = 0;
|
|
|
|
private:
|
|
NS_IMETHOD_(nsrefcnt) AddRef(void) = 0;
|
|
NS_IMETHOD_(nsrefcnt) Release(void) = 0;
|
|
};
|
|
|
|
#endif /* nsIPageSequenceFrame_h___ */
|
|
|
|
|