The Tor Browser: widget/xpwidgets/nsXPLookAndFeel.cpp@6474c204b198 (annotated)

widget/xpwidgets/nsXPLookAndFeel.cpp@6474c204b198 (annotated)

widget/xpwidgets/nsXPLookAndFeel.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* 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/. */
 #include "mozilla/ArrayUtils.h"
 #include "nscore.h"
 #include "nsXPLookAndFeel.h"
 #include "nsLookAndFeel.h"
 #include "nsCRT.h"
 #include "nsFont.h"
 #include "nsThemeConstants.h"
 #include "mozilla/Preferences.h"
 #include "mozilla/gfx/2D.h"
 #include "gfxPlatform.h"
 #include "qcms.h"
 #ifdef DEBUG
 #include "nsSize.h"
 #endif
 using namespace mozilla;
 nsLookAndFeelIntPref nsXPLookAndFeel::sIntPrefs[] =
 {
   { "ui.caretBlinkTime",
     eIntID_CaretBlinkTime,
     false, 0 },
   { "ui.caretWidth",
     eIntID_CaretWidth,
     false, 0 },
   { "ui.caretVisibleWithSelection",
     eIntID_ShowCaretDuringSelection,
     false, 0 },
   { "ui.submenuDelay",
     eIntID_SubmenuDelay,
     false, 0 },
   { "ui.dragThresholdX",
     eIntID_DragThresholdX,
     false, 0 },
   { "ui.dragThresholdY",
     eIntID_DragThresholdY,
     false, 0 },
   { "ui.useAccessibilityTheme",
     eIntID_UseAccessibilityTheme,
     false, 0 },
   { "ui.menusCanOverlapOSBar",
     eIntID_MenusCanOverlapOSBar,
     false, 0 },
   { "ui.useOverlayScrollbars",
     eIntID_UseOverlayScrollbars,
     false, 0 },
   { "ui.scrollbarDisplayOnMouseMove",
     eIntID_ScrollbarDisplayOnMouseMove,
     false, 0 },
   { "ui.scrollbarFadeBeginDelay",
     eIntID_ScrollbarFadeBeginDelay,
     false, 0 },
   { "ui.scrollbarFadeDuration",
     eIntID_ScrollbarFadeDuration,
     false, 0 },
   { "ui.showHideScrollbars",
     eIntID_ShowHideScrollbars,
     false, 0 },
   { "ui.skipNavigatingDisabledMenuItem",
     eIntID_SkipNavigatingDisabledMenuItem,
     false, 0 },
   { "ui.treeOpenDelay",
     eIntID_TreeOpenDelay,
     false, 0 },
   { "ui.treeCloseDelay",
     eIntID_TreeCloseDelay,
     false, 0 },
   { "ui.treeLazyScrollDelay",
     eIntID_TreeLazyScrollDelay,
     false, 0 },
   { "ui.treeScrollDelay",
     eIntID_TreeScrollDelay,
     false, 0 },
   { "ui.treeScrollLinesMax",
     eIntID_TreeScrollLinesMax,
     false, 0 },
   { "accessibility.tabfocus",
     eIntID_TabFocusModel,
     false, 0 },
   { "ui.alertNotificationOrigin",
     eIntID_AlertNotificationOrigin,
     false, 0 },
   { "ui.scrollToClick",
     eIntID_ScrollToClick,
     false, 0 },
   { "ui.IMERawInputUnderlineStyle",
     eIntID_IMERawInputUnderlineStyle,
     false, 0 },
   { "ui.IMESelectedRawTextUnderlineStyle",
     eIntID_IMESelectedRawTextUnderlineStyle,
     false, 0 },
   { "ui.IMEConvertedTextUnderlineStyle",
     eIntID_IMEConvertedTextUnderlineStyle,
     false, 0 },
   { "ui.IMESelectedConvertedTextUnderlineStyle",
     eIntID_IMESelectedConvertedTextUnderline,
     false, 0 },
   { "ui.SpellCheckerUnderlineStyle",
     eIntID_SpellCheckerUnderlineStyle,
     false, 0 },
   { "ui.scrollbarButtonAutoRepeatBehavior",
     eIntID_ScrollbarButtonAutoRepeatBehavior,
     false, 0 },
   { "ui.tooltipDelay",
     eIntID_TooltipDelay,
     false, 0 },
   { "ui.physicalHomeButton",
     eIntID_PhysicalHomeButton,
     false, 0 },
 };
 nsLookAndFeelFloatPref nsXPLookAndFeel::sFloatPrefs[] =
 {
   { "ui.IMEUnderlineRelativeSize",
     eFloatID_IMEUnderlineRelativeSize,
     false, 0 },
   { "ui.SpellCheckerUnderlineRelativeSize",
     eFloatID_SpellCheckerUnderlineRelativeSize,
     false, 0 },
   { "ui.caretAspectRatio",
     eFloatID_CaretAspectRatio,
     false, 0 },
 };
 // This array MUST be kept in the same order as the color list in LookAndFeel.h.
 /* XXX If you add any strings longer than
  * "ui.IMESelectedConvertedTextBackground"
  * to the following array then you MUST update the
  * sizes of the sColorPrefs array in nsXPLookAndFeel.h
  */
 const char nsXPLookAndFeel::sColorPrefs[][38] =
 {
   "ui.windowBackground",
   "ui.windowForeground",
   "ui.widgetBackground",
   "ui.widgetForeground",
   "ui.widgetSelectBackground",
   "ui.widgetSelectForeground",
   "ui.widget3DHighlight",
   "ui.widget3DShadow",
   "ui.textBackground",
   "ui.textForeground",
   "ui.textSelectBackground",
   "ui.textSelectForeground",
   "ui.textSelectBackgroundDisabled",
   "ui.textSelectBackgroundAttention",
   "ui.textHighlightBackground",
   "ui.textHighlightForeground",
   "ui.IMERawInputBackground",
   "ui.IMERawInputForeground",
   "ui.IMERawInputUnderline",
   "ui.IMESelectedRawTextBackground",
   "ui.IMESelectedRawTextForeground",
   "ui.IMESelectedRawTextUnderline",
   "ui.IMEConvertedTextBackground",
   "ui.IMEConvertedTextForeground",
   "ui.IMEConvertedTextUnderline",
   "ui.IMESelectedConvertedTextBackground",
   "ui.IMESelectedConvertedTextForeground",
   "ui.IMESelectedConvertedTextUnderline",
   "ui.SpellCheckerUnderline",
   "ui.activeborder",
   "ui.activecaption",
   "ui.appworkspace",
   "ui.background",
   "ui.buttonface",
   "ui.buttonhighlight",
   "ui.buttonshadow",
   "ui.buttontext",
   "ui.captiontext",
   "ui.graytext",
   "ui.highlight",
   "ui.highlighttext",
   "ui.inactiveborder",
   "ui.inactivecaption",
   "ui.inactivecaptiontext",
   "ui.infobackground",
   "ui.infotext",
   "ui.menu",
   "ui.menutext",
   "ui.scrollbar",
   "ui.threeddarkshadow",
   "ui.threedface",
   "ui.threedhighlight",
   "ui.threedlightshadow",
   "ui.threedshadow",
   "ui.window",
   "ui.windowframe",
   "ui.windowtext",
   "ui.-moz-buttondefault",
   "ui.-moz-field",
   "ui.-moz-fieldtext",
   "ui.-moz-dialog",
   "ui.-moz-dialogtext",
   "ui.-moz-dragtargetzone",
   "ui.-moz-cellhighlight",
   "ui.-moz_cellhighlighttext",
   "ui.-moz-html-cellhighlight",
   "ui.-moz-html-cellhighlighttext",
   "ui.-moz-buttonhoverface",
   "ui.-moz_buttonhovertext",
   "ui.-moz_menuhover",
   "ui.-moz_menuhovertext",
   "ui.-moz_menubartext",
   "ui.-moz_menubarhovertext",
   "ui.-moz_eventreerow",
   "ui.-moz_oddtreerow",
   "ui.-moz_mac_chrome_active",
   "ui.-moz_mac_chrome_inactive",
   "ui.-moz-mac-focusring",
   "ui.-moz-mac-menuselect",
   "ui.-moz-mac-menushadow",
   "ui.-moz-mac-menutextdisable",
   "ui.-moz-mac-menutextselect",
   "ui.-moz_mac_disabledtoolbartext",
   "ui.-moz-mac-secondaryhighlight",
   "ui.-moz-win-mediatext",
   "ui.-moz-win-communicationstext",
   "ui.-moz-nativehyperlinktext",
   "ui.-moz-comboboxtext",
   "ui.-moz-combobox"
 };
 int32_t nsXPLookAndFeel::sCachedColors[LookAndFeel::eColorID_LAST_COLOR] = {0};
 int32_t nsXPLookAndFeel::sCachedColorBits[COLOR_CACHE_SIZE] = {0};
 bool nsXPLookAndFeel::sInitialized = false;
 bool nsXPLookAndFeel::sUseNativeColors = true;
 nsLookAndFeel* nsXPLookAndFeel::sInstance = nullptr;
 bool nsXPLookAndFeel::sShutdown = false;
 // static
 nsLookAndFeel*
 nsXPLookAndFeel::GetInstance()
 {
   if (sInstance) {
     return sInstance;
   }
   NS_ENSURE_TRUE(!sShutdown, nullptr);
   sInstance = new nsLookAndFeel();
   return sInstance;
 }
 // static
 void
 nsXPLookAndFeel::Shutdown()
 {
   if (sShutdown) {
     return;
   }
   sShutdown = true;
   delete sInstance;
   sInstance = nullptr;
 }
 nsXPLookAndFeel::nsXPLookAndFeel() : LookAndFeel()
 {
 }
 // static
 void
 nsXPLookAndFeel::IntPrefChanged(nsLookAndFeelIntPref *data)
 {
   if (!data) {
     return;
   }
   int32_t intpref;
   nsresult rv = Preferences::GetInt(data->name, &intpref);
   if (NS_FAILED(rv)) {
     return;
   }
   data->intVar = intpref;
   data->isSet = true;
 #ifdef DEBUG_akkana
   printf("====== Changed int pref %s to %d\n", data->name, data->intVar);
 #endif
 }
 // static
 void
 nsXPLookAndFeel::FloatPrefChanged(nsLookAndFeelFloatPref *data)
 {
   if (!data) {
     return;
   }
   int32_t intpref;
   nsresult rv = Preferences::GetInt(data->name, &intpref);
   if (NS_FAILED(rv)) {
     return;
   }
   data->floatVar = (float)intpref / 100.0f;
   data->isSet = true;
 #ifdef DEBUG_akkana
   printf("====== Changed float pref %s to %f\n", data->name, data->floatVar);
 #endif
 }
 // static
 void
 nsXPLookAndFeel::ColorPrefChanged (unsigned int index, const char *prefName)
 {
   nsAutoString colorStr;
   nsresult rv = Preferences::GetString(prefName, &colorStr);
   if (NS_FAILED(rv)) {
     return;
   }
   if (!colorStr.IsEmpty()) {
     nscolor thecolor;
     if (colorStr[0] == char16_t('#')) {
       if (NS_HexToRGB(nsDependentString(colorStr, 1), &thecolor)) {
         int32_t id = NS_PTR_TO_INT32(index);
         CACHE_COLOR(id, thecolor);
       }
     } else if (NS_ColorNameToRGB(colorStr, &thecolor)) {
       int32_t id = NS_PTR_TO_INT32(index);
       CACHE_COLOR(id, thecolor);
 #ifdef DEBUG_akkana
       printf("====== Changed color pref %s to 0x%lx\n",
              prefName, thecolor);
 #endif
     }
   } else {
     // Reset to the default color, by clearing the cache
     // to force lookup when the color is next used
     int32_t id = NS_PTR_TO_INT32(index);
     CLEAR_COLOR_CACHE(id);
   }
 }
 void
 nsXPLookAndFeel::InitFromPref(nsLookAndFeelIntPref* aPref)
 {
   int32_t intpref;
   nsresult rv = Preferences::GetInt(aPref->name, &intpref);
   if (NS_SUCCEEDED(rv)) {
     aPref->isSet = true;
     aPref->intVar = intpref;
   }
 }
 void
 nsXPLookAndFeel::InitFromPref(nsLookAndFeelFloatPref* aPref)
 {
   int32_t intpref;
   nsresult rv = Preferences::GetInt(aPref->name, &intpref);
   if (NS_SUCCEEDED(rv)) {
     aPref->isSet = true;
     aPref->floatVar = (float)intpref / 100.0f;
   }
 }
 void
 nsXPLookAndFeel::InitColorFromPref(int32_t i)
 {
   nsAutoString colorStr;
   nsresult rv = Preferences::GetString(sColorPrefs[i], &colorStr);
   if (NS_FAILED(rv) || colorStr.IsEmpty()) {
     return;
   }
   nscolor thecolor;
   if (colorStr[0] == char16_t('#')) {
     nsAutoString hexString;
     colorStr.Right(hexString, colorStr.Length() - 1);
     if (NS_HexToRGB(hexString, &thecolor)) {
       CACHE_COLOR(i, thecolor);
     }
   } else if (NS_ColorNameToRGB(colorStr, &thecolor)) {
     CACHE_COLOR(i, thecolor);
   }
 }
 // static
 void
 nsXPLookAndFeel::OnPrefChanged(const char* aPref, void* aClosure)
 {
   // looping in the same order as in ::Init
   nsDependentCString prefName(aPref);
   unsigned int i;
   for (i = 0; i < ArrayLength(sIntPrefs); ++i) {
     if (prefName.Equals(sIntPrefs[i].name)) {
       IntPrefChanged(&sIntPrefs[i]);
       return;
     }
   }
   for (i = 0; i < ArrayLength(sFloatPrefs); ++i) {
     if (prefName.Equals(sFloatPrefs[i].name)) {
       FloatPrefChanged(&sFloatPrefs[i]);
       return;
     }
   }
   for (i = 0; i < ArrayLength(sColorPrefs); ++i) {
     if (prefName.Equals(sColorPrefs[i])) {
       ColorPrefChanged(i, sColorPrefs[i]);
       return;
     }
   }
 }
 //
 // Read values from the user's preferences.
 // This is done once at startup, but since the user's preferences
 // haven't actually been read yet at that time, we also have to
 // set a callback to inform us of changes to each pref.
 //
 void
 nsXPLookAndFeel::Init()
 {
   // Say we're already initialized, and take the chance that it might fail;
   // protects against some other process writing to our static variables.
   sInitialized = true;
   // XXX If we could reorganize the pref names, we should separate the branch
   //     for each types.  Then, we could reduce the unnecessary loop from
   //     nsXPLookAndFeel::OnPrefChanged().
   Preferences::RegisterCallback(OnPrefChanged, "ui.");
   Preferences::RegisterCallback(OnPrefChanged, "accessibility.tabfocus");
   unsigned int i;
   for (i = 0; i < ArrayLength(sIntPrefs); ++i) {
     InitFromPref(&sIntPrefs[i]);
   }
   for (i = 0; i < ArrayLength(sFloatPrefs); ++i) {
     InitFromPref(&sFloatPrefs[i]);
   }
   for (i = 0; i < ArrayLength(sColorPrefs); ++i) {
     InitColorFromPref(i);
   }
   bool val;
   if (NS_SUCCEEDED(Preferences::GetBool("ui.use_native_colors", &val))) {
     sUseNativeColors = val;
   }
 }
 nsXPLookAndFeel::~nsXPLookAndFeel()
 {
   NS_ASSERTION(sInstance == this,
                "This destroying instance isn't the singleton instance");
   sInstance = nullptr;
 }
 bool
 nsXPLookAndFeel::IsSpecialColor(ColorID aID, nscolor &aColor)
 {
   switch (aID) {
     case eColorID_TextSelectForeground:
       return (aColor == NS_DONT_CHANGE_COLOR);
     case eColorID_IMESelectedRawTextBackground:
     case eColorID_IMESelectedConvertedTextBackground:
     case eColorID_IMERawInputBackground:
     case eColorID_IMEConvertedTextBackground:
     case eColorID_IMESelectedRawTextForeground:
     case eColorID_IMESelectedConvertedTextForeground:
     case eColorID_IMERawInputForeground:
     case eColorID_IMEConvertedTextForeground:
     case eColorID_IMERawInputUnderline:
     case eColorID_IMEConvertedTextUnderline:
     case eColorID_IMESelectedRawTextUnderline:
     case eColorID_IMESelectedConvertedTextUnderline:
     case eColorID_SpellCheckerUnderline:
       return NS_IS_SELECTION_SPECIAL_COLOR(aColor);
     default:
       /*
        * In GetColor(), every color that is not a special color is color
        * corrected. Use false to make other colors color corrected.
        */
       return false;
   }
   return false;
 }
 bool
 nsXPLookAndFeel::ColorIsNotCSSAccessible(ColorID aID)
 {
   bool result = false;
   switch (aID) {
     case eColorID_WindowBackground:
     case eColorID_WindowForeground:
     case eColorID_WidgetBackground:
     case eColorID_WidgetForeground:
     case eColorID_WidgetSelectBackground:
     case eColorID_WidgetSelectForeground:
     case eColorID_Widget3DHighlight:
     case eColorID_Widget3DShadow:
     case eColorID_TextBackground:
     case eColorID_TextForeground:
     case eColorID_TextSelectBackground:
     case eColorID_TextSelectForeground:
     case eColorID_TextSelectBackgroundDisabled:
     case eColorID_TextSelectBackgroundAttention:
     case eColorID_TextHighlightBackground:
     case eColorID_TextHighlightForeground:
     case eColorID_IMERawInputBackground:
     case eColorID_IMERawInputForeground:
     case eColorID_IMERawInputUnderline:
     case eColorID_IMESelectedRawTextBackground:
     case eColorID_IMESelectedRawTextForeground:
     case eColorID_IMESelectedRawTextUnderline:
     case eColorID_IMEConvertedTextBackground:
     case eColorID_IMEConvertedTextForeground:
     case eColorID_IMEConvertedTextUnderline:
     case eColorID_IMESelectedConvertedTextBackground:
     case eColorID_IMESelectedConvertedTextForeground:
     case eColorID_IMESelectedConvertedTextUnderline:
     case eColorID_SpellCheckerUnderline:
       result = true;
       break;
     default:
       break;
   }
   return result;
 }
 nscolor
 nsXPLookAndFeel::GetStandinForNativeColor(ColorID aID)
 {
   nscolor result = NS_RGB(0xFF, 0xFF, 0xFF);
   // The stand-in colors are taken from the Windows 7 Aero theme
   // except Mac-specific colors which are taken from Mac OS 10.7.
   switch (aID) {
     // CSS 2 colors:
     case eColorID_activeborder:      result = NS_RGB(0xB4, 0xB4, 0xB4); break;
     case eColorID_activecaption:     result = NS_RGB(0x99, 0xB4, 0xD1); break;
     case eColorID_appworkspace:      result = NS_RGB(0xAB, 0xAB, 0xAB); break;
     case eColorID_background:        result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID_buttonface:        result = NS_RGB(0xF0, 0xF0, 0xF0); break;
     case eColorID_buttonhighlight:   result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID_buttonshadow:      result = NS_RGB(0xA0, 0xA0, 0xA0); break;
     case eColorID_buttontext:        result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID_captiontext:       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID_graytext:          result = NS_RGB(0x6D, 0x6D, 0x6D); break;
     case eColorID_highlight:         result = NS_RGB(0x33, 0x99, 0xFF); break;
     case eColorID_highlighttext:     result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID_inactiveborder:    result = NS_RGB(0xF4, 0xF7, 0xFC); break;
     case eColorID_inactivecaption:   result = NS_RGB(0xBF, 0xCD, 0xDB); break;
     case eColorID_inactivecaptiontext:
       result = NS_RGB(0x43, 0x4E, 0x54); break;
     case eColorID_infobackground:    result = NS_RGB(0xFF, 0xFF, 0xE1); break;
     case eColorID_infotext:          result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID_menu:              result = NS_RGB(0xF0, 0xF0, 0xF0); break;
     case eColorID_menutext:          result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID_scrollbar:         result = NS_RGB(0xC8, 0xC8, 0xC8); break;
     case eColorID_threeddarkshadow:  result = NS_RGB(0x69, 0x69, 0x69); break;
     case eColorID_threedface:        result = NS_RGB(0xF0, 0xF0, 0xF0); break;
     case eColorID_threedhighlight:   result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID_threedlightshadow: result = NS_RGB(0xE3, 0xE3, 0xE3); break;
     case eColorID_threedshadow:      result = NS_RGB(0xA0, 0xA0, 0xA0); break;
     case eColorID_window:            result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID_windowframe:       result = NS_RGB(0x64, 0x64, 0x64); break;
     case eColorID_windowtext:        result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_buttondefault:
       result = NS_RGB(0x69, 0x69, 0x69); break;
     case eColorID__moz_field:        result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_fieldtext:    result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_dialog:       result = NS_RGB(0xF0, 0xF0, 0xF0); break;
     case eColorID__moz_dialogtext:   result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_dragtargetzone:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_cellhighlight:
       result = NS_RGB(0xF0, 0xF0, 0xF0); break;
     case eColorID__moz_cellhighlighttext:
       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_html_cellhighlight:
       result = NS_RGB(0x33, 0x99, 0xFF); break;
     case eColorID__moz_html_cellhighlighttext:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_buttonhoverface:
       result = NS_RGB(0xF0, 0xF0, 0xF0); break;
     case eColorID__moz_buttonhovertext:
       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_menuhover:
       result = NS_RGB(0x33, 0x99, 0xFF); break;
     case eColorID__moz_menuhovertext:
       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_menubartext:
       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_menubarhovertext:
       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_oddtreerow:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_mac_chrome_active:
       result = NS_RGB(0xB2, 0xB2, 0xB2); break;
     case eColorID__moz_mac_chrome_inactive:
       result = NS_RGB(0xE1, 0xE1, 0xE1); break;
     case eColorID__moz_mac_focusring:
       result = NS_RGB(0x60, 0x9D, 0xD7); break;
     case eColorID__moz_mac_menuselect:
       result = NS_RGB(0x38, 0x75, 0xD7); break;
     case eColorID__moz_mac_menushadow:
       result = NS_RGB(0xA3, 0xA3, 0xA3); break;
     case eColorID__moz_mac_menutextdisable:
       result = NS_RGB(0x88, 0x88, 0x88); break;
     case eColorID__moz_mac_menutextselect:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_mac_disabledtoolbartext:
       result = NS_RGB(0x3F, 0x3F, 0x3F); break;
     case eColorID__moz_mac_secondaryhighlight:
       result = NS_RGB(0xD4, 0xD4, 0xD4); break;
     case eColorID__moz_win_mediatext:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_win_communicationstext:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     case eColorID__moz_nativehyperlinktext:
       result = NS_RGB(0x00, 0x66, 0xCC); break;
     case eColorID__moz_comboboxtext:
       result = NS_RGB(0x00, 0x00, 0x00); break;
     case eColorID__moz_combobox:
       result = NS_RGB(0xFF, 0xFF, 0xFF); break;
     default:
       break;
   }
   return result;
 }
 //
 // All these routines will return NS_OK if they have a value,
 // in which case the nsLookAndFeel should use that value;
 // otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
 // platform-specific nsLookAndFeel should use its own values instead.
 //
 nsresult
 nsXPLookAndFeel::GetColorImpl(ColorID aID, bool aUseStandinsForNativeColors,
                               nscolor &aResult)
 {
   if (!sInitialized)
     Init();
   // define DEBUG_SYSTEM_COLOR_USE if you want to debug system color
   // use in a skin that uses them.  When set, it will make all system
   // color pairs that are appropriate for foreground/background
   // pairing the same.  This means if the skin is using system colors
   // correctly you will not be able to see *any* text.
 #undef DEBUG_SYSTEM_COLOR_USE
 #ifdef DEBUG_SYSTEM_COLOR_USE
   {
     nsresult rv = NS_OK;
     switch (aID) {
         // css2  http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
       case eColorID_activecaption:
           // active window caption background
       case eColorID_captiontext:
           // text in active window caption
         aResult = NS_RGB(0xff, 0x00, 0x00);
         break;
       case eColorID_highlight:
           // background of selected item
       case eColorID_highlighttext:
           // text of selected item
         aResult = NS_RGB(0xff, 0xff, 0x00);
         break;
       case eColorID_inactivecaption:
           // inactive window caption
       case eColorID_inactivecaptiontext:
           // text in inactive window caption
         aResult = NS_RGB(0x66, 0x66, 0x00);
         break;
       case eColorID_infobackground:
           // tooltip background color
       case eColorID_infotext:
           // tooltip text color
         aResult = NS_RGB(0x00, 0xff, 0x00);
         break;
       case eColorID_menu:
           // menu background
       case eColorID_menutext:
           // menu text
         aResult = NS_RGB(0x00, 0xff, 0xff);
         break;
       case eColorID_threedface:
       case eColorID_buttonface:
           // 3-D face color
       case eColorID_buttontext:
           // text on push buttons
         aResult = NS_RGB(0x00, 0x66, 0x66);
         break;
       case eColorID_window:
       case eColorID_windowtext:
         aResult = NS_RGB(0x00, 0x00, 0xff);
         break;
       // from the CSS3 working draft (not yet finalized)
       // http://www.w3.org/tr/2000/wd-css3-userint-20000216.html#color
       case eColorID__moz_field:
       case eColorID__moz_fieldtext:
         aResult = NS_RGB(0xff, 0x00, 0xff);
         break;
       case eColorID__moz_dialog:
       case eColorID__moz_dialogtext:
         aResult = NS_RGB(0x66, 0x00, 0x66);
         break;
       default:
         rv = NS_ERROR_NOT_AVAILABLE;
     }
     if (NS_SUCCEEDED(rv))
       return rv;
   }
 #endif // DEBUG_SYSTEM_COLOR_USE
   if (aUseStandinsForNativeColors && ColorIsNotCSSAccessible(aID))
     aUseStandinsForNativeColors = false;
   if (!aUseStandinsForNativeColors && IS_COLOR_CACHED(aID)) {
     aResult = sCachedColors[aID];
     return NS_OK;
   }
   // There are no system color settings for these, so set them manually
   if (aID == eColorID_TextSelectBackgroundDisabled) {
     // This is used to gray out the selection when it's not focused
     // Used with nsISelectionController::SELECTION_DISABLED
     aResult = NS_RGB(0xb0, 0xb0, 0xb0);
     return NS_OK;
   }
   if (aID == eColorID_TextSelectBackgroundAttention) {
     // This makes the selection stand out when typeaheadfind is on
     // Used with nsISelectionController::SELECTION_ATTENTION
     aResult = NS_RGB(0x38, 0xd8, 0x78);
     return NS_OK;
   }
   if (aID == eColorID_TextHighlightBackground) {
     // This makes the matched text stand out when findbar highlighting is on
     // Used with nsISelectionController::SELECTION_FIND
     aResult = NS_RGB(0xef, 0x0f, 0xff);
     return NS_OK;
   }
   if (aID == eColorID_TextHighlightForeground) {
     // The foreground color for the matched text in findbar highlighting
     // Used with nsISelectionController::SELECTION_FIND
     aResult = NS_RGB(0xff, 0xff, 0xff);
     return NS_OK;
   }
   if (sUseNativeColors && aUseStandinsForNativeColors)
   {
     aResult = GetStandinForNativeColor(aID);
     return NS_OK;
   }
   if (sUseNativeColors && NS_SUCCEEDED(NativeGetColor(aID, aResult))) {
     if ((gfxPlatform::GetCMSMode() == eCMSMode_All) &&
          !IsSpecialColor(aID, aResult)) {
       qcms_transform *transform = gfxPlatform::GetCMSInverseRGBTransform();
       if (transform) {
         uint8_t color[3];
         color[0] = NS_GET_R(aResult);
         color[1] = NS_GET_G(aResult);
         color[2] = NS_GET_B(aResult);
         qcms_transform_data(transform, color, color, 1);
         aResult = NS_RGB(color[0], color[1], color[2]);
       }
     }
     CACHE_COLOR(aID, aResult);
     return NS_OK;
   }
   return NS_ERROR_NOT_AVAILABLE;
 }
 nsresult
 nsXPLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
 {
   if (!sInitialized)
     Init();
   // Set the default values for these prefs. but allow different platforms
   // to override them in their nsLookAndFeel if desired.
   switch (aID) {
     case eIntID_ScrollButtonLeftMouseButtonAction:
       aResult = 0;
       return NS_OK;
     case eIntID_ScrollButtonMiddleMouseButtonAction:
       aResult = 3;
       return NS_OK;
     case eIntID_ScrollButtonRightMouseButtonAction:
       aResult = 3;
       return NS_OK;
     default:
       /*
        * The metrics above are hardcoded platform defaults. All the other
        * metrics are stored in sIntPrefs and can be changed at runtime.
        */
     break;
   }
   for (unsigned int i = 0; i < ArrayLength(sIntPrefs); ++i) {
     if (sIntPrefs[i].isSet && (sIntPrefs[i].id == aID)) {
       aResult = sIntPrefs[i].intVar;
       return NS_OK;
     }
   }
   return NS_ERROR_NOT_AVAILABLE;
 }
 nsresult
 nsXPLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
 {
   if (!sInitialized)
     Init();
   for (unsigned int i = 0; i < ArrayLength(sFloatPrefs); ++i) {
     if (sFloatPrefs[i].isSet && sFloatPrefs[i].id == aID) {
       aResult = sFloatPrefs[i].floatVar;
       return NS_OK;
     }
   }
   return NS_ERROR_NOT_AVAILABLE;
 }
 void
 nsXPLookAndFeel::RefreshImpl()
 {
   // Wipe out our color cache.
   uint32_t i;
   for (i = 0; i < eColorID_LAST_COLOR; i++)
     sCachedColors[i] = 0;
   for (i = 0; i < COLOR_CACHE_SIZE; i++)
     sCachedColorBits[i] = 0;
 }
 namespace mozilla {
 // static
 nsresult
 LookAndFeel::GetColor(ColorID aID, nscolor* aResult)
 {
   return nsLookAndFeel::GetInstance()->GetColorImpl(aID, false, *aResult);
 }
 nsresult
 LookAndFeel::GetColor(ColorID aID, bool aUseStandinsForNativeColors,
                       nscolor* aResult)
 {
   return nsLookAndFeel::GetInstance()->GetColorImpl(aID,
                                        aUseStandinsForNativeColors, *aResult);
 }
 // static
 nsresult
 LookAndFeel::GetColorForNativeAppearance(uint8_t aWidgetType, bool aIsDisabled,
                                          nscolor* aResult)
 {
   NS_ENSURE_ARG_POINTER(aResult);
   ColorID colorID = eColorID_LAST_COLOR;
   switch (aWidgetType) {
     case NS_THEME_TEXTFIELD:
     case NS_THEME_TEXTFIELD_MULTILINE:
     case NS_THEME_LISTBOX:
     case NS_THEME_DROPDOWN:
     case NS_THEME_DROPDOWN_TEXTFIELD:
     case NS_THEME_TREEVIEW:
       colorID = (aIsDisabled) ? eColorID_graytext : eColorID__moz_fieldtext;
       break;
     case NS_THEME_TOOLTIP:
       colorID = eColorID_infotext;
       break;
     case NS_THEME_BUTTON:
     case NS_THEME_GROUPBOX:
     case NS_THEME_PROGRESSBAR:
     case NS_THEME_PROGRESSBAR_VERTICAL:
     case NS_THEME_TAB_PANEL:
     case NS_THEME_STATUSBAR:
     case NS_THEME_STATUSBAR_RESIZER_PANEL:
       colorID = (aIsDisabled) ? eColorID_graytext : eColorID_buttontext;
       break;
   }
   if (LookAndFeel::eColorID_LAST_COLOR == colorID)
     return NS_ERROR_FAILURE;
   *aResult = NS_RGB(0, 0, 0);
   return nsLookAndFeel::GetInstance()->NativeGetColor(colorID, *aResult);
 }
 // static
 nsresult
 LookAndFeel::GetInt(IntID aID, int32_t* aResult)
 {
   return nsLookAndFeel::GetInstance()->GetIntImpl(aID, *aResult);
 }
 // static
 nsresult
 LookAndFeel::GetFloat(FloatID aID, float* aResult)
 {
   return nsLookAndFeel::GetInstance()->GetFloatImpl(aID, *aResult);
 }
 // static
 bool
 LookAndFeel::GetFont(FontID aID, nsString& aName, gfxFontStyle& aStyle,
                      float aDevPixPerCSSPixel)
 {
   return nsLookAndFeel::GetInstance()->GetFontImpl(aID, aName, aStyle,
                                                    aDevPixPerCSSPixel);
 }
 // static
 char16_t
 LookAndFeel::GetPasswordCharacter()
 {
   return nsLookAndFeel::GetInstance()->GetPasswordCharacterImpl();
 }
 // static
 bool
 LookAndFeel::GetEchoPassword()
 {
   return nsLookAndFeel::GetInstance()->GetEchoPasswordImpl();
 }
 // static
 uint32_t
 LookAndFeel::GetPasswordMaskDelay()
 {
   return nsLookAndFeel::GetInstance()->GetPasswordMaskDelayImpl();
 }
 // static
 void
 LookAndFeel::Refresh()
 {
   nsLookAndFeel::GetInstance()->RefreshImpl();
 }
 } // namespace mozilla

The Tor Browser / annotate

widget/xpwidgets/nsXPLookAndFeel.cpp@6474c204b198 (annotated)

widget/xpwidgets/nsXPLookAndFeel.cpp