1 : /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is developed for mozilla.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Kenneth Herron <kherron@newsguy.com>.
20 : * Portions created by the Initial Developer are Copyright (C) 2004
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 :
40 : #ifndef _PAPERPS_H_
41 : #define _PAPERPS_H_
42 :
43 : #include "prtypes.h"
44 : #include "nsDebug.h"
45 :
46 : struct nsPaperSizePS_ {
47 : const char *name;
48 : float width_mm;
49 : float height_mm;
50 : bool isMetric; // Present to the user in metric, if possible
51 : };
52 :
53 : class nsPaperSizePS {
54 : public:
55 : /** ---------------------------------------------------
56 : * Constructor
57 : */
58 0 : nsPaperSizePS() { mCurrent = 0; }
59 :
60 : /** ---------------------------------------------------
61 : * @return true if the cursor points past the last item.
62 : */
63 0 : bool AtEnd() { return mCurrent >= mCount; }
64 :
65 : /** ---------------------------------------------------
66 : * Position the cursor at the beginning of the paper size list.
67 : * @return VOID
68 : */
69 0 : void First() { mCurrent = 0; }
70 :
71 : /** ---------------------------------------------------
72 : * Advance the cursor to the next item.
73 : * @return VOID
74 : */
75 0 : void Next() {
76 0 : NS_ASSERTION(!AtEnd(), "Invalid current item");
77 0 : mCurrent++;
78 0 : }
79 :
80 : /** ---------------------------------------------------
81 : * Point the cursor to the entry with the given paper name.
82 : * @return true if pointing to a valid entry.
83 : */
84 : bool Find(const char *aName);
85 :
86 : /** ---------------------------------------------------
87 : * @return a pointer to the name of the current paper size
88 : */
89 0 : const char *Name() {
90 0 : NS_PRECONDITION(!AtEnd(), "Invalid current item");
91 0 : return mList[mCurrent].name;
92 : }
93 :
94 : /** ---------------------------------------------------
95 : * @return the width of the page in millimeters
96 : */
97 0 : float Width_mm() {
98 0 : NS_PRECONDITION(!AtEnd(), "Invalid current item");
99 0 : return mList[mCurrent].width_mm;
100 : }
101 :
102 : /** ---------------------------------------------------
103 : * @return the height of the page in millimeters
104 : */
105 0 : float Height_mm() {
106 0 : NS_PRECONDITION(!AtEnd(), "Invalid current item");
107 0 : return mList[mCurrent].height_mm;
108 : }
109 :
110 : /** ---------------------------------------------------
111 : * @return true if the paper should be presented to
112 : * the user in metric units.
113 : */
114 0 : bool IsMetric() {
115 0 : NS_PRECONDITION(!AtEnd(), "Invalid current item");
116 0 : return mList[mCurrent].isMetric;
117 : }
118 :
119 : private:
120 : unsigned int mCurrent;
121 : static const nsPaperSizePS_ mList[];
122 : static const unsigned int mCount;
123 : };
124 :
125 : #endif
126 :
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