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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: */
/* 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/. */
#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
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