LCOV - code coverage report
Current view: directory - widget/xpwidgets - nsXPLookAndFeel.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 179 5 2.8 %
Date: 2012-06-02 Functions: 25 1 4.0 %

       1                 : /* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "mozilla/Util.h"
      39                 : 
      40                 : #include "nscore.h"
      41                 : 
      42                 : #include "nsXPLookAndFeel.h"
      43                 : #include "nsLookAndFeel.h"
      44                 : #include "nsCRT.h"
      45                 : #include "nsFont.h"
      46                 : #include "mozilla/Preferences.h"
      47                 : 
      48                 : #include "gfxPlatform.h"
      49                 : #include "qcms.h"
      50                 : 
      51                 : #ifdef DEBUG
      52                 : #include "nsSize.h"
      53                 : #endif
      54                 : 
      55                 : using namespace mozilla;
      56                 : 
      57                 : nsLookAndFeelIntPref nsXPLookAndFeel::sIntPrefs[] =
      58                 : {
      59                 :   { "ui.caretBlinkTime",
      60                 :     eIntID_CaretBlinkTime,
      61                 :     false, 0 },
      62                 :   { "ui.caretWidth",
      63                 :     eIntID_CaretWidth,
      64                 :     false, 0 },
      65                 :   { "ui.caretVisibleWithSelection",
      66                 :     eIntID_ShowCaretDuringSelection,
      67                 :     false, 0 },
      68                 :   { "ui.submenuDelay",
      69                 :     eIntID_SubmenuDelay,
      70                 :     false, 0 },
      71                 :   { "ui.dragThresholdX",
      72                 :     eIntID_DragThresholdX,
      73                 :     false, 0 },
      74                 :   { "ui.dragThresholdY",
      75                 :     eIntID_DragThresholdY,
      76                 :     false, 0 },
      77                 :   { "ui.useAccessibilityTheme",
      78                 :     eIntID_UseAccessibilityTheme,
      79                 :     false, 0 },
      80                 :   { "ui.menusCanOverlapOSBar",
      81                 :     eIntID_MenusCanOverlapOSBar,
      82                 :     false, 0 },
      83                 :   { "ui.skipNavigatingDisabledMenuItem",
      84                 :     eIntID_SkipNavigatingDisabledMenuItem,
      85                 :     false, 0 },
      86                 :   { "ui.treeOpenDelay",
      87                 :     eIntID_TreeOpenDelay,
      88                 :     false, 0 },
      89                 :   { "ui.treeCloseDelay",
      90                 :     eIntID_TreeCloseDelay,
      91                 :     false, 0 },
      92                 :   { "ui.treeLazyScrollDelay",
      93                 :     eIntID_TreeLazyScrollDelay,
      94                 :     false, 0 },
      95                 :   { "ui.treeScrollDelay",
      96                 :     eIntID_TreeScrollDelay,
      97                 :     false, 0 },
      98                 :   { "ui.treeScrollLinesMax",
      99                 :     eIntID_TreeScrollLinesMax,
     100                 :     false, 0 },
     101                 :   { "accessibility.tabfocus",
     102                 :     eIntID_TabFocusModel,
     103                 :     false, 0 },
     104                 :   { "ui.alertNotificationOrigin",
     105                 :     eIntID_AlertNotificationOrigin,
     106                 :     false, 0 },
     107                 :   { "ui.scrollToClick",
     108                 :     eIntID_ScrollToClick,
     109                 :     false, 0 },
     110                 :   { "ui.IMERawInputUnderlineStyle",
     111                 :     eIntID_IMERawInputUnderlineStyle,
     112                 :     false, 0 },
     113                 :   { "ui.IMESelectedRawTextUnderlineStyle",
     114                 :     eIntID_IMESelectedRawTextUnderlineStyle,
     115                 :     false, 0 },
     116                 :   { "ui.IMEConvertedTextUnderlineStyle",
     117                 :     eIntID_IMEConvertedTextUnderlineStyle,
     118                 :     false, 0 },
     119                 :   { "ui.IMESelectedConvertedTextUnderlineStyle",
     120                 :     eIntID_IMESelectedConvertedTextUnderline,
     121                 :     false, 0 },
     122                 :   { "ui.SpellCheckerUnderlineStyle",
     123                 :     eIntID_SpellCheckerUnderlineStyle,
     124                 :     false, 0 },
     125                 :   { "ui.scrollbarButtonAutoRepeatBehavior",
     126                 :     eIntID_ScrollbarButtonAutoRepeatBehavior,
     127                 :     false, 0 },
     128                 :   { "ui.tooltipDelay",
     129                 :     eIntID_TooltipDelay,
     130                 :     false, 0 },
     131                 : };
     132                 : 
     133                 : nsLookAndFeelFloatPref nsXPLookAndFeel::sFloatPrefs[] =
     134                 : {
     135                 :   { "ui.IMEUnderlineRelativeSize",
     136                 :     eFloatID_IMEUnderlineRelativeSize,
     137                 :     false, 0 },
     138                 :   { "ui.SpellCheckerUnderlineRelativeSize",
     139                 :     eFloatID_SpellCheckerUnderlineRelativeSize,
     140                 :     false, 0 },
     141                 :   { "ui.caretAspectRatio",
     142                 :     eFloatID_CaretAspectRatio,
     143                 :     false, 0 },
     144                 : };
     145                 : 
     146                 : 
     147                 : // This array MUST be kept in the same order as the color list in LookAndFeel.h.
     148                 : /* XXX If you add any strings longer than
     149                 :  * "ui.IMESelectedConvertedTextBackground"
     150                 :  * to the following array then you MUST update the
     151                 :  * sizes of the sColorPrefs array in nsXPLookAndFeel.h
     152                 :  */
     153                 : const char nsXPLookAndFeel::sColorPrefs[][38] =
     154                 : {
     155                 :   "ui.windowBackground",
     156                 :   "ui.windowForeground",
     157                 :   "ui.widgetBackground",
     158                 :   "ui.widgetForeground",
     159                 :   "ui.widgetSelectBackground",
     160                 :   "ui.widgetSelectForeground",
     161                 :   "ui.widget3DHighlight",
     162                 :   "ui.widget3DShadow",
     163                 :   "ui.textBackground",
     164                 :   "ui.textForeground",
     165                 :   "ui.textSelectBackground",
     166                 :   "ui.textSelectForeground",
     167                 :   "ui.textSelectBackgroundDisabled",
     168                 :   "ui.textSelectBackgroundAttention",
     169                 :   "ui.textHighlightBackground",
     170                 :   "ui.textHighlightForeground",
     171                 :   "ui.IMERawInputBackground",
     172                 :   "ui.IMERawInputForeground",
     173                 :   "ui.IMERawInputUnderline",
     174                 :   "ui.IMESelectedRawTextBackground",
     175                 :   "ui.IMESelectedRawTextForeground",
     176                 :   "ui.IMESelectedRawTextUnderline",
     177                 :   "ui.IMEConvertedTextBackground",
     178                 :   "ui.IMEConvertedTextForeground",
     179                 :   "ui.IMEConvertedTextUnderline",
     180                 :   "ui.IMESelectedConvertedTextBackground",
     181                 :   "ui.IMESelectedConvertedTextForeground",
     182                 :   "ui.IMESelectedConvertedTextUnderline",
     183                 :   "ui.SpellCheckerUnderline",
     184                 :   "ui.activeborder",
     185                 :   "ui.activecaption",
     186                 :   "ui.appworkspace",
     187                 :   "ui.background",
     188                 :   "ui.buttonface",
     189                 :   "ui.buttonhighlight",
     190                 :   "ui.buttonshadow",
     191                 :   "ui.buttontext",
     192                 :   "ui.captiontext",
     193                 :   "ui.graytext",
     194                 :   "ui.highlight",
     195                 :   "ui.highlighttext",
     196                 :   "ui.inactiveborder",
     197                 :   "ui.inactivecaption",
     198                 :   "ui.inactivecaptiontext",
     199                 :   "ui.infobackground",
     200                 :   "ui.infotext",
     201                 :   "ui.menu",
     202                 :   "ui.menutext",
     203                 :   "ui.scrollbar",
     204                 :   "ui.threeddarkshadow",
     205                 :   "ui.threedface",
     206                 :   "ui.threedhighlight",
     207                 :   "ui.threedlightshadow",
     208                 :   "ui.threedshadow",
     209                 :   "ui.window",
     210                 :   "ui.windowframe",
     211                 :   "ui.windowtext",
     212                 :   "ui.-moz-buttondefault",
     213                 :   "ui.-moz-field",
     214                 :   "ui.-moz-fieldtext",
     215                 :   "ui.-moz-dialog",
     216                 :   "ui.-moz-dialogtext",
     217                 :   "ui.-moz-dragtargetzone",
     218                 :   "ui.-moz-cellhighlight",
     219                 :   "ui.-moz_cellhighlighttext",
     220                 :   "ui.-moz-html-cellhighlight",
     221                 :   "ui.-moz-html-cellhighlighttext",
     222                 :   "ui.-moz-buttonhoverface",
     223                 :   "ui.-moz_buttonhovertext",
     224                 :   "ui.-moz_menuhover",
     225                 :   "ui.-moz_menuhovertext",
     226                 :   "ui.-moz_menubartext",
     227                 :   "ui.-moz_menubarhovertext",
     228                 :   "ui.-moz_eventreerow",
     229                 :   "ui.-moz_oddtreerow",
     230                 :   "ui.-moz_mac_chrome_active",
     231                 :   "ui.-moz_mac_chrome_inactive",
     232                 :   "ui.-moz-mac-focusring",
     233                 :   "ui.-moz-mac-menuselect",
     234                 :   "ui.-moz-mac-menushadow",
     235                 :   "ui.-moz-mac-menutextdisable",
     236                 :   "ui.-moz-mac-menutextselect",
     237                 :   "ui.-moz_mac_disabledtoolbartext",
     238                 :   "ui.-moz-mac-alternateprimaryhighlight",
     239                 :   "ui.-moz-mac-secondaryhighlight",
     240                 :   "ui.-moz-win-mediatext",
     241                 :   "ui.-moz-win-communicationstext",
     242                 :   "ui.-moz-nativehyperlinktext",
     243                 :   "ui.-moz-comboboxtext",
     244                 :   "ui.-moz-combobox"
     245                 : };
     246                 : 
     247                 : PRInt32 nsXPLookAndFeel::sCachedColors[LookAndFeel::eColorID_LAST_COLOR] = {0};
     248                 : PRInt32 nsXPLookAndFeel::sCachedColorBits[COLOR_CACHE_SIZE] = {0};
     249                 : 
     250                 : bool nsXPLookAndFeel::sInitialized = false;
     251                 : bool nsXPLookAndFeel::sUseNativeColors = true;
     252                 : 
     253                 : nsLookAndFeel* nsXPLookAndFeel::sInstance = nsnull;
     254                 : bool nsXPLookAndFeel::sShutdown = false;
     255                 : 
     256                 : // static
     257                 : nsLookAndFeel*
     258               0 : nsXPLookAndFeel::GetInstance()
     259                 : {
     260               0 :   if (sInstance) {
     261               0 :     return sInstance;
     262                 :   }
     263                 : 
     264               0 :   NS_ENSURE_TRUE(!sShutdown, nsnull);
     265                 : 
     266               0 :   sInstance = new nsLookAndFeel();
     267               0 :   return sInstance;
     268                 : }
     269                 : 
     270                 : // static
     271                 : void
     272            1387 : nsXPLookAndFeel::Shutdown()
     273                 : {
     274            1387 :   if (sShutdown) {
     275               0 :     return;
     276                 :   }
     277            1387 :   sShutdown = true;
     278            1387 :   delete sInstance;
     279            1387 :   sInstance = nsnull;
     280                 : }
     281                 : 
     282               0 : nsXPLookAndFeel::nsXPLookAndFeel() : LookAndFeel()
     283                 : {
     284               0 : }
     285                 : 
     286                 : // static
     287                 : void
     288               0 : nsXPLookAndFeel::IntPrefChanged(nsLookAndFeelIntPref *data)
     289                 : {
     290               0 :   if (!data) {
     291               0 :     return;
     292                 :   }
     293                 : 
     294                 :   PRInt32 intpref;
     295               0 :   nsresult rv = Preferences::GetInt(data->name, &intpref);
     296               0 :   if (NS_FAILED(rv)) {
     297               0 :     return;
     298                 :   }
     299               0 :   data->intVar = intpref;
     300               0 :   data->isSet = true;
     301                 : #ifdef DEBUG_akkana
     302                 :   printf("====== Changed int pref %s to %d\n", data->name, data->intVar);
     303                 : #endif
     304                 : }
     305                 : 
     306                 : // static
     307                 : void
     308               0 : nsXPLookAndFeel::FloatPrefChanged(nsLookAndFeelFloatPref *data)
     309                 : {
     310               0 :   if (!data) {
     311               0 :     return;
     312                 :   }
     313                 : 
     314                 :   PRInt32 intpref;
     315               0 :   nsresult rv = Preferences::GetInt(data->name, &intpref);
     316               0 :   if (NS_FAILED(rv)) {
     317               0 :     return;
     318                 :   }
     319               0 :   data->floatVar = (float)intpref / 100.0f;
     320               0 :   data->isSet = true;
     321                 : #ifdef DEBUG_akkana
     322                 :   printf("====== Changed float pref %s to %f\n", data->name, data->floatVar);
     323                 : #endif
     324                 : }
     325                 : 
     326                 : // static
     327                 : void
     328               0 : nsXPLookAndFeel::ColorPrefChanged (unsigned int index, const char *prefName)
     329                 : {
     330               0 :   nsAutoString colorStr;
     331               0 :   nsresult rv = Preferences::GetString(prefName, &colorStr);
     332               0 :   if (NS_FAILED(rv)) {
     333                 :     return;
     334                 :   }
     335               0 :   if (!colorStr.IsEmpty()) {
     336                 :     nscolor thecolor;
     337               0 :     if (colorStr[0] == PRUnichar('#')) {
     338               0 :       if (NS_HexToRGB(nsDependentString(colorStr, 1), &thecolor)) {
     339               0 :         PRInt32 id = NS_PTR_TO_INT32(index);
     340               0 :         CACHE_COLOR(id, thecolor);
     341                 :       }
     342               0 :     } else if (NS_ColorNameToRGB(colorStr, &thecolor)) {
     343               0 :       PRInt32 id = NS_PTR_TO_INT32(index);
     344               0 :       CACHE_COLOR(id, thecolor);
     345                 : #ifdef DEBUG_akkana
     346                 :       printf("====== Changed color pref %s to 0x%lx\n",
     347                 :              prefName, thecolor);
     348                 : #endif
     349                 :     }
     350                 :   } else {
     351                 :     // Reset to the default color, by clearing the cache
     352                 :     // to force lookup when the color is next used
     353               0 :     PRInt32 id = NS_PTR_TO_INT32(index);
     354               0 :     CLEAR_COLOR_CACHE(id);
     355                 :   }
     356                 : }
     357                 : 
     358                 : void
     359               0 : nsXPLookAndFeel::InitFromPref(nsLookAndFeelIntPref* aPref)
     360                 : {
     361                 :   PRInt32 intpref;
     362               0 :   nsresult rv = Preferences::GetInt(aPref->name, &intpref);
     363               0 :   if (NS_SUCCEEDED(rv)) {
     364               0 :     aPref->isSet = true;
     365               0 :     aPref->intVar = intpref;
     366                 :   }
     367               0 : }
     368                 : 
     369                 : void
     370               0 : nsXPLookAndFeel::InitFromPref(nsLookAndFeelFloatPref* aPref)
     371                 : {
     372                 :   PRInt32 intpref;
     373               0 :   nsresult rv = Preferences::GetInt(aPref->name, &intpref);
     374               0 :   if (NS_SUCCEEDED(rv)) {
     375               0 :     aPref->isSet = true;
     376               0 :     aPref->floatVar = (float)intpref / 100.0f;
     377                 :   }
     378               0 : }
     379                 : 
     380                 : void
     381               0 : nsXPLookAndFeel::InitColorFromPref(PRInt32 i)
     382                 : {
     383               0 :   nsAutoString colorStr;
     384               0 :   nsresult rv = Preferences::GetString(sColorPrefs[i], &colorStr);
     385               0 :   if (NS_FAILED(rv) || colorStr.IsEmpty()) {
     386                 :     return;
     387                 :   }
     388                 :   nscolor thecolor;
     389               0 :   if (colorStr[0] == PRUnichar('#')) {
     390               0 :     nsAutoString hexString;
     391               0 :     colorStr.Right(hexString, colorStr.Length() - 1);
     392               0 :     if (NS_HexToRGB(hexString, &thecolor)) {
     393               0 :       CACHE_COLOR(i, thecolor);
     394                 :     }
     395               0 :   } else if (NS_ColorNameToRGB(colorStr, &thecolor)) {
     396               0 :     CACHE_COLOR(i, thecolor);
     397                 :   }
     398                 : }
     399                 : 
     400                 : // static
     401                 : int
     402               0 : nsXPLookAndFeel::OnPrefChanged(const char* aPref, void* aClosure)
     403                 : {
     404                 : 
     405                 :   // looping in the same order as in ::Init
     406                 : 
     407               0 :   nsDependentCString prefName(aPref);
     408                 :   unsigned int i;
     409               0 :   for (i = 0; i < ArrayLength(sIntPrefs); ++i) {
     410               0 :     if (prefName.Equals(sIntPrefs[i].name)) {
     411               0 :       IntPrefChanged(&sIntPrefs[i]);
     412               0 :       return 0;
     413                 :     }
     414                 :   }
     415                 : 
     416               0 :   for (i = 0; i < ArrayLength(sFloatPrefs); ++i) {
     417               0 :     if (prefName.Equals(sFloatPrefs[i].name)) {
     418               0 :       FloatPrefChanged(&sFloatPrefs[i]);
     419               0 :       return 0;
     420                 :     }
     421                 :   }
     422                 : 
     423               0 :   for (i = 0; i < ArrayLength(sColorPrefs); ++i) {
     424               0 :     if (prefName.Equals(sColorPrefs[i])) {
     425               0 :       ColorPrefChanged(i, sColorPrefs[i]);
     426               0 :       return 0;
     427                 :     }
     428                 :   }
     429                 : 
     430               0 :   return 0;
     431                 : }
     432                 : 
     433                 : //
     434                 : // Read values from the user's preferences.
     435                 : // This is done once at startup, but since the user's preferences
     436                 : // haven't actually been read yet at that time, we also have to
     437                 : // set a callback to inform us of changes to each pref.
     438                 : //
     439                 : void
     440               0 : nsXPLookAndFeel::Init()
     441                 : {
     442                 :   // Say we're already initialized, and take the chance that it might fail;
     443                 :   // protects against some other process writing to our static variables.
     444               0 :   sInitialized = true;
     445                 : 
     446                 :   // XXX If we could reorganize the pref names, we should separate the branch
     447                 :   //     for each types.  Then, we could reduce the unnecessary loop from
     448                 :   //     nsXPLookAndFeel::OnPrefChanged().
     449               0 :   Preferences::RegisterCallback(OnPrefChanged, "ui.");
     450               0 :   Preferences::RegisterCallback(OnPrefChanged, "accessibility.tabfocus");
     451                 : 
     452                 :   unsigned int i;
     453               0 :   for (i = 0; i < ArrayLength(sIntPrefs); ++i) {
     454               0 :     InitFromPref(&sIntPrefs[i]);
     455                 :   }
     456                 : 
     457               0 :   for (i = 0; i < ArrayLength(sFloatPrefs); ++i) {
     458               0 :     InitFromPref(&sFloatPrefs[i]);
     459                 :   }
     460                 : 
     461               0 :   for (i = 0; i < ArrayLength(sColorPrefs); ++i) {
     462               0 :     InitColorFromPref(i);
     463                 :   }
     464                 : 
     465                 :   bool val;
     466               0 :   if (NS_SUCCEEDED(Preferences::GetBool("ui.use_native_colors", &val))) {
     467               0 :     sUseNativeColors = val;
     468                 :   }
     469               0 : }
     470                 : 
     471               0 : nsXPLookAndFeel::~nsXPLookAndFeel()
     472                 : {
     473               0 :   NS_ASSERTION(sInstance == this,
     474                 :                "This destroying instance isn't the singleton instance");
     475               0 :   sInstance = nsnull;
     476               0 : }
     477                 : 
     478                 : bool
     479               0 : nsXPLookAndFeel::IsSpecialColor(ColorID aID, nscolor &aColor)
     480                 : {
     481               0 :   switch (aID) {
     482                 :     case eColorID_TextSelectForeground:
     483               0 :       return (aColor == NS_DONT_CHANGE_COLOR);
     484                 :     case eColorID_IMESelectedRawTextBackground:
     485                 :     case eColorID_IMESelectedConvertedTextBackground:
     486                 :     case eColorID_IMERawInputBackground:
     487                 :     case eColorID_IMEConvertedTextBackground:
     488                 :     case eColorID_IMESelectedRawTextForeground:
     489                 :     case eColorID_IMESelectedConvertedTextForeground:
     490                 :     case eColorID_IMERawInputForeground:
     491                 :     case eColorID_IMEConvertedTextForeground:
     492                 :     case eColorID_IMERawInputUnderline:
     493                 :     case eColorID_IMEConvertedTextUnderline:
     494                 :     case eColorID_IMESelectedRawTextUnderline:
     495                 :     case eColorID_IMESelectedConvertedTextUnderline:
     496                 :     case eColorID_SpellCheckerUnderline:
     497               0 :       return NS_IS_SELECTION_SPECIAL_COLOR(aColor);
     498                 :     default:
     499                 :       /*
     500                 :        * In GetColor(), every color that is not a special color is color
     501                 :        * corrected. Use false to make other colors color corrected.
     502                 :        */
     503               0 :       return false;
     504                 :   }
     505                 :   return false;
     506                 : }
     507                 : 
     508                 : //
     509                 : // All these routines will return NS_OK if they have a value,
     510                 : // in which case the nsLookAndFeel should use that value;
     511                 : // otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
     512                 : // platform-specific nsLookAndFeel should use its own values instead.
     513                 : //
     514                 : nsresult
     515               0 : nsXPLookAndFeel::GetColorImpl(ColorID aID, nscolor &aResult)
     516                 : {
     517               0 :   if (!sInitialized)
     518               0 :     Init();
     519                 : 
     520                 :   // define DEBUG_SYSTEM_COLOR_USE if you want to debug system color
     521                 :   // use in a skin that uses them.  When set, it will make all system
     522                 :   // color pairs that are appropriate for foreground/background
     523                 :   // pairing the same.  This means if the skin is using system colors
     524                 :   // correctly you will not be able to see *any* text.
     525                 : #undef DEBUG_SYSTEM_COLOR_USE
     526                 : 
     527                 : #ifdef DEBUG_SYSTEM_COLOR_USE
     528                 :   {
     529                 :     nsresult rv = NS_OK;
     530                 :     switch (aID) {
     531                 :         // css2  http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
     532                 :       case eColorID_activecaption:
     533                 :           // active window caption background
     534                 :       case eColorID_captiontext:
     535                 :           // text in active window caption
     536                 :         aResult = NS_RGB(0xff, 0x00, 0x00);
     537                 :         break;
     538                 : 
     539                 :       case eColorID_highlight:
     540                 :           // background of selected item
     541                 :       case eColorID_highlighttext:
     542                 :           // text of selected item
     543                 :         aResult = NS_RGB(0xff, 0xff, 0x00);
     544                 :         break;
     545                 : 
     546                 :       case eColorID_inactivecaption:
     547                 :           // inactive window caption
     548                 :       case eColorID_inactivecaptiontext:
     549                 :           // text in inactive window caption
     550                 :         aResult = NS_RGB(0x66, 0x66, 0x00);
     551                 :         break;
     552                 : 
     553                 :       case eColorID_infobackground:
     554                 :           // tooltip background color
     555                 :       case eColorID_infotext:
     556                 :           // tooltip text color
     557                 :         aResult = NS_RGB(0x00, 0xff, 0x00);
     558                 :         break;
     559                 : 
     560                 :       case eColorID_menu:
     561                 :           // menu background
     562                 :       case eColorID_menutext:
     563                 :           // menu text
     564                 :         aResult = NS_RGB(0x00, 0xff, 0xff);
     565                 :         break;
     566                 : 
     567                 :       case eColorID_threedface:
     568                 :       case eColorID_buttonface:
     569                 :           // 3-D face color
     570                 :       case eColorID_buttontext:
     571                 :           // text on push buttons
     572                 :         aResult = NS_RGB(0x00, 0x66, 0x66);
     573                 :         break;
     574                 : 
     575                 :       case eColorID_window:
     576                 :       case eColorID_windowtext:
     577                 :         aResult = NS_RGB(0x00, 0x00, 0xff);
     578                 :         break;
     579                 : 
     580                 :       // from the CSS3 working draft (not yet finalized)
     581                 :       // http://www.w3.org/tr/2000/wd-css3-userint-20000216.html#color
     582                 : 
     583                 :       case eColorID__moz_field:
     584                 :       case eColorID__moz_fieldtext:
     585                 :         aResult = NS_RGB(0xff, 0x00, 0xff);
     586                 :         break;
     587                 : 
     588                 :       case eColorID__moz_dialog:
     589                 :       case eColorID__moz_dialogtext:
     590                 :         aResult = NS_RGB(0x66, 0x00, 0x66);
     591                 :         break;
     592                 : 
     593                 :       default:
     594                 :         rv = NS_ERROR_NOT_AVAILABLE;
     595                 :     }
     596                 :     if (NS_SUCCEEDED(rv))
     597                 :       return rv;
     598                 :   }
     599                 : #endif // DEBUG_SYSTEM_COLOR_USE
     600                 : 
     601               0 :   if (IS_COLOR_CACHED(aID)) {
     602               0 :     aResult = sCachedColors[aID];
     603               0 :     return NS_OK;
     604                 :   }
     605                 : 
     606                 :   // There are no system color settings for these, so set them manually
     607               0 :   if (aID == eColorID_TextSelectBackgroundDisabled) {
     608                 :     // This is used to gray out the selection when it's not focused
     609                 :     // Used with nsISelectionController::SELECTION_DISABLED
     610               0 :     aResult = NS_RGB(0xb0, 0xb0, 0xb0);
     611               0 :     return NS_OK;
     612                 :   }
     613                 : 
     614               0 :   if (aID == eColorID_TextSelectBackgroundAttention) {
     615                 :     // This makes the selection stand out when typeaheadfind is on
     616                 :     // Used with nsISelectionController::SELECTION_ATTENTION
     617               0 :     aResult = NS_RGB(0x38, 0xd8, 0x78);
     618               0 :     return NS_OK;
     619                 :   }
     620                 : 
     621               0 :   if (aID == eColorID_TextHighlightBackground) {
     622                 :     // This makes the matched text stand out when findbar highlighting is on
     623                 :     // Used with nsISelectionController::SELECTION_FIND
     624               0 :     aResult = NS_RGB(0xef, 0x0f, 0xff);
     625               0 :     return NS_OK;
     626                 :   }
     627                 : 
     628               0 :   if (aID == eColorID_TextHighlightForeground) {
     629                 :     // The foreground color for the matched text in findbar highlighting
     630                 :     // Used with nsISelectionController::SELECTION_FIND
     631               0 :     aResult = NS_RGB(0xff, 0xff, 0xff);
     632               0 :     return NS_OK;
     633                 :   }
     634                 : 
     635               0 :   if (sUseNativeColors && NS_SUCCEEDED(NativeGetColor(aID, aResult))) {
     636               0 :     if ((gfxPlatform::GetCMSMode() == eCMSMode_All) &&
     637               0 :          !IsSpecialColor(aID, aResult)) {
     638               0 :       qcms_transform *transform = gfxPlatform::GetCMSInverseRGBTransform();
     639               0 :       if (transform) {
     640                 :         PRUint8 color[3];
     641               0 :         color[0] = NS_GET_R(aResult);
     642               0 :         color[1] = NS_GET_G(aResult);
     643               0 :         color[2] = NS_GET_B(aResult);
     644               0 :         qcms_transform_data(transform, color, color, 1);
     645               0 :         aResult = NS_RGB(color[0], color[1], color[2]);
     646                 :       }
     647                 :     }
     648                 : 
     649               0 :     CACHE_COLOR(aID, aResult);
     650               0 :     return NS_OK;
     651                 :   }
     652                 : 
     653               0 :   return NS_ERROR_NOT_AVAILABLE;
     654                 : }
     655                 :   
     656                 : nsresult
     657               0 : nsXPLookAndFeel::GetIntImpl(IntID aID, PRInt32 &aResult)
     658                 : {
     659               0 :   if (!sInitialized)
     660               0 :     Init();
     661                 : 
     662                 :   // Set the default values for these prefs. but allow different platforms
     663                 :   // to override them in their nsLookAndFeel if desired.
     664               0 :   switch (aID) {
     665                 :     case eIntID_ScrollButtonLeftMouseButtonAction:
     666               0 :       aResult = 0;
     667               0 :       return NS_OK;
     668                 :     case eIntID_ScrollButtonMiddleMouseButtonAction:
     669               0 :       aResult = 3;
     670               0 :       return NS_OK;
     671                 :     case eIntID_ScrollButtonRightMouseButtonAction:
     672               0 :       aResult = 3;
     673               0 :       return NS_OK;
     674                 :     default:
     675                 :       /*
     676                 :        * The metrics above are hardcoded platform defaults. All the other
     677                 :        * metrics are stored in sIntPrefs and can be changed at runtime.
     678                 :        */
     679                 :     break;
     680                 :   }
     681                 : 
     682               0 :   for (unsigned int i = 0; i < ArrayLength(sIntPrefs); ++i) {
     683               0 :     if (sIntPrefs[i].isSet && (sIntPrefs[i].id == aID)) {
     684               0 :       aResult = sIntPrefs[i].intVar;
     685               0 :       return NS_OK;
     686                 :     }
     687                 :   }
     688                 : 
     689               0 :   return NS_ERROR_NOT_AVAILABLE;
     690                 : }
     691                 : 
     692                 : nsresult
     693               0 : nsXPLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
     694                 : {
     695               0 :   if (!sInitialized)
     696               0 :     Init();
     697                 : 
     698               0 :   for (unsigned int i = 0; i < ArrayLength(sFloatPrefs); ++i) {
     699               0 :     if (sFloatPrefs[i].isSet && sFloatPrefs[i].id == aID) {
     700               0 :       aResult = sFloatPrefs[i].floatVar;
     701               0 :       return NS_OK;
     702                 :     }
     703                 :   }
     704                 : 
     705               0 :   return NS_ERROR_NOT_AVAILABLE;
     706                 : }
     707                 : 
     708                 : void
     709               0 : nsXPLookAndFeel::RefreshImpl()
     710                 : {
     711                 :   // Wipe out our color cache.
     712                 :   PRUint32 i;
     713               0 :   for (i = 0; i < eColorID_LAST_COLOR; i++)
     714               0 :     sCachedColors[i] = 0;
     715               0 :   for (i = 0; i < COLOR_CACHE_SIZE; i++)
     716               0 :     sCachedColorBits[i] = 0;
     717               0 : }
     718                 : 
     719                 : namespace mozilla {
     720                 : 
     721                 : // static
     722                 : nsresult
     723               0 : LookAndFeel::GetColor(ColorID aID, nscolor* aResult)
     724                 : {
     725               0 :   return nsLookAndFeel::GetInstance()->GetColorImpl(aID, *aResult);
     726                 : }
     727                 : 
     728                 : // static
     729                 : nsresult
     730               0 : LookAndFeel::GetInt(IntID aID, PRInt32* aResult)
     731                 : {
     732               0 :   return nsLookAndFeel::GetInstance()->GetIntImpl(aID, *aResult);
     733                 : }
     734                 : 
     735                 : // static
     736                 : nsresult
     737               0 : LookAndFeel::GetFloat(FloatID aID, float* aResult)
     738                 : {
     739               0 :   return nsLookAndFeel::GetInstance()->GetFloatImpl(aID, *aResult);
     740                 : }
     741                 : 
     742                 : // static
     743                 : bool
     744               0 : LookAndFeel::GetFont(FontID aID, nsString& aName, gfxFontStyle& aStyle)
     745                 : {
     746               0 :   return nsLookAndFeel::GetInstance()->GetFontImpl(aID, aName, aStyle);
     747                 : }
     748                 : 
     749                 : // static
     750                 : PRUnichar
     751               0 : LookAndFeel::GetPasswordCharacter()
     752                 : {
     753               0 :   return nsLookAndFeel::GetInstance()->GetPasswordCharacterImpl();
     754                 : }
     755                 : 
     756                 : // static
     757                 : bool
     758               0 : LookAndFeel::GetEchoPassword()
     759                 : {
     760               0 :   return nsLookAndFeel::GetInstance()->GetEchoPasswordImpl();
     761                 : }
     762                 : 
     763                 : // static
     764                 : void
     765               0 : LookAndFeel::Refresh()
     766                 : {
     767               0 :   nsLookAndFeel::GetInstance()->RefreshImpl();
     768               0 : }
     769                 : 
     770                 : } // namespace mozilla

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