pjs/widget/gtk2/nsPaperPS.h

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 developed for mozilla.
*
* The Initial Developer of the Original Code is
* Kenneth Herron <kherron@newsguy.com>.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef _PAPERPS_H_
#define _PAPERPS_H_
#include "prtypes.h"
#include "nsDebug.h"
struct nsPaperSizePS_ {
const char *name;
float width_mm;
float height_mm;
bool isMetric; // Present to the user in metric, if possible
};
class nsPaperSizePS {
public:
/** ---------------------------------------------------
* Constructor
*/
nsPaperSizePS() { mCurrent = 0; }
/** ---------------------------------------------------
* @return true if the cursor points past the last item.
*/
bool AtEnd() { return mCurrent >= mCount; }
/** ---------------------------------------------------
* Position the cursor at the beginning of the paper size list.
* @return VOID
*/
void First() { mCurrent = 0; }
/** ---------------------------------------------------
* Advance the cursor to the next item.
* @return VOID
*/
void Next() {
NS_ASSERTION(!AtEnd(), "Invalid current item");
mCurrent++;
}
/** ---------------------------------------------------
* Point the cursor to the entry with the given paper name.
* @return true if pointing to a valid entry.
*/
bool Find(const char *aName);
/** ---------------------------------------------------
* @return a pointer to the name of the current paper size
*/
const char *Name() {
NS_PRECONDITION(!AtEnd(), "Invalid current item");
return mList[mCurrent].name;
}
/** ---------------------------------------------------
* @return the width of the page in millimeters
*/
float Width_mm() {
NS_PRECONDITION(!AtEnd(), "Invalid current item");
return mList[mCurrent].width_mm;
}
/** ---------------------------------------------------
* @return the height of the page in millimeters
*/
float Height_mm() {
NS_PRECONDITION(!AtEnd(), "Invalid current item");
return mList[mCurrent].height_mm;
}
/** ---------------------------------------------------
* @return true if the paper should be presented to
* the user in metric units.
*/
bool IsMetric() {
NS_PRECONDITION(!AtEnd(), "Invalid current item");
return mList[mCurrent].isMetric;
}
private:
unsigned int mCurrent;
static const nsPaperSizePS_ mList[];
static const unsigned int mCount;
};
#endif