The Tor Browser: widget/gtk/nsPaperPS.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #ifndef _PAPERPS_H_

     9 #define _PAPERPS_H_

    11 #include "nsDebug.h"

    13 struct nsPaperSizePS_ {

    14     const char *name;

    15     float width_mm;

    16     float height_mm;

    17     bool isMetric;        // Present to the user in metric, if possible

    18 };

    20 class nsPaperSizePS {

    21     public:

    22         /** ---------------------------------------------------

    23          * Constructor

    24          */

    25         nsPaperSizePS() { mCurrent = 0; }

    27         /** ---------------------------------------------------

    28          * @return true if the cursor points past the last item.

    29          */

    30         bool AtEnd() { return mCurrent >= mCount; }

    32         /** ---------------------------------------------------

    33          * Position the cursor at the beginning of the paper size list.

    34          * @return VOID

    35          */

    36         void First() { mCurrent = 0; }

    38         /** ---------------------------------------------------

    39          * Advance the cursor to the next item.

    40          * @return VOID

    41          */

    42         void Next() {

    43             NS_ASSERTION(!AtEnd(), "Invalid current item");

    44             mCurrent++;

    45         }

    47         /** ---------------------------------------------------

    48          * Point the cursor to the entry with the given paper name.

    49          * @return true if pointing to a valid entry.

    50          */

    51         bool Find(const char *aName);

    53         /** ---------------------------------------------------

    54          * @return a pointer to the name of the current paper size

    55          */

    56         const char *Name() {

    57             NS_PRECONDITION(!AtEnd(), "Invalid current item");

    58             return mList[mCurrent].name;

    59         }

    61         /** ---------------------------------------------------

    62          * @return the width of the page in millimeters

    63          */

    64         float Width_mm() {

    65             NS_PRECONDITION(!AtEnd(), "Invalid current item");

    66             return mList[mCurrent].width_mm;

    67         }

    69         /** ---------------------------------------------------

    70          * @return the height of the page in millimeters

    71          */

    72         float Height_mm() {

    73             NS_PRECONDITION(!AtEnd(), "Invalid current item");

    74             return mList[mCurrent].height_mm;

    75         }

    77         /** ---------------------------------------------------

    78          * @return true if the paper should be presented to

    79          *                 the user in metric units.

    80          */

    81         bool IsMetric() {

    82             NS_PRECONDITION(!AtEnd(), "Invalid current item");

    83             return mList[mCurrent].isMetric;

    84         }

    86     private:

    87         unsigned int mCurrent;

    88         static const nsPaperSizePS_ mList[];

    89         static const unsigned int mCount;

    90 };

    92 #endif

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