зеркало из https://github.com/mozilla/gecko-dev.git
127 строки
4.4 KiB
C++
127 строки
4.4 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is developed for mozilla.
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*
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* The Initial Developer of the Original Code is
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* Kenneth Herron <kherron@newsguy.com>.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _PAPERPS_H_
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#define _PAPERPS_H_
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#include "prtypes.h"
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#include "nsDebug.h"
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struct nsPaperSizePS_ {
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const char *name;
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float width_mm;
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float height_mm;
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bool isMetric; // Present to the user in metric, if possible
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};
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class nsPaperSizePS {
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public:
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/** ---------------------------------------------------
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* Constructor
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*/
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nsPaperSizePS() { mCurrent = 0; }
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/** ---------------------------------------------------
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* @return true if the cursor points past the last item.
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*/
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bool AtEnd() { return mCurrent >= mCount; }
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/** ---------------------------------------------------
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* Position the cursor at the beginning of the paper size list.
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* @return VOID
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*/
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void First() { mCurrent = 0; }
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/** ---------------------------------------------------
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* Advance the cursor to the next item.
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* @return VOID
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*/
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void Next() {
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NS_ASSERTION(!AtEnd(), "Invalid current item");
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mCurrent++;
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}
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/** ---------------------------------------------------
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* Point the cursor to the entry with the given paper name.
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* @return true if pointing to a valid entry.
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*/
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bool Find(const char *aName);
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/** ---------------------------------------------------
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* @return a pointer to the name of the current paper size
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*/
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const char *Name() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].name;
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}
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/** ---------------------------------------------------
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* @return the width of the page in millimeters
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*/
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float Width_mm() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].width_mm;
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}
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/** ---------------------------------------------------
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* @return the height of the page in millimeters
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*/
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float Height_mm() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].height_mm;
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}
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/** ---------------------------------------------------
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* @return true if the paper should be presented to
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* the user in metric units.
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*/
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bool IsMetric() {
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NS_PRECONDITION(!AtEnd(), "Invalid current item");
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return mList[mCurrent].isMetric;
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}
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private:
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unsigned int mCurrent;
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static const nsPaperSizePS_ mList[];
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static const unsigned int mCount;
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};
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#endif
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