mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
683 lines
21 KiB
C++
683 lines
21 KiB
C++
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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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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#include "nscore.h"
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#include "nsXPLookAndFeel.h"
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#include "nsIServiceManager.h"
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#include "nsIPrefBranch2.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefService.h"
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#include "nsIObserver.h"
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#include "nsCRT.h"
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#include "nsFont.h"
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#include "gfxPlatform.h"
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#include "qcms.h"
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#ifdef DEBUG
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#include "nsSize.h"
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#endif
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NS_IMPL_ISUPPORTS2(nsXPLookAndFeel, nsILookAndFeel, nsIObserver)
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nsLookAndFeelIntPref nsXPLookAndFeel::sIntPrefs[] =
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{
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{ "ui.caretBlinkTime", eMetric_CaretBlinkTime, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.caretWidth", eMetric_CaretWidth, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.caretVisibleWithSelection", eMetric_ShowCaretDuringSelection, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.submenuDelay", eMetric_SubmenuDelay, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.dragThresholdX", eMetric_DragThresholdX, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.dragThresholdY", eMetric_DragThresholdY, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.useAccessibilityTheme", eMetric_UseAccessibilityTheme, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.scrollbarsCanOverlapContent", eMetric_ScrollbarsCanOverlapContent,
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PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.menusCanOverlapOSBar", eMetric_MenusCanOverlapOSBar,
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PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.skipNavigatingDisabledMenuItem", eMetric_SkipNavigatingDisabledMenuItem, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.treeOpenDelay",
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eMetric_TreeOpenDelay, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.treeCloseDelay",
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eMetric_TreeCloseDelay, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.treeLazyScrollDelay",
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eMetric_TreeLazyScrollDelay, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.treeScrollDelay",
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eMetric_TreeScrollDelay, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.treeScrollLinesMax",
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eMetric_TreeScrollLinesMax, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "accessibility.tabfocus",
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eMetric_TabFocusModel, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.alertNotificationOrigin",
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eMetric_AlertNotificationOrigin, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.scrollToClick",
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eMetric_ScrollToClick, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.IMERawInputUnderlineStyle",
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eMetric_IMERawInputUnderlineStyle, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.IMESelectedRawTextUnderlineStyle",
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eMetric_IMESelectedRawTextUnderlineStyle, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.IMEConvertedTextUnderlineStyle",
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eMetric_IMEConvertedTextUnderlineStyle, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.IMESelectedConvertedTextUnderlineStyle",
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eMetric_IMESelectedConvertedTextUnderline, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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{ "ui.SpellCheckerUnderlineStyle",
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eMetric_SpellCheckerUnderlineStyle, PR_FALSE, nsLookAndFeelTypeInt, 0 },
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};
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nsLookAndFeelFloatPref nsXPLookAndFeel::sFloatPrefs[] =
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{
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{ "ui.IMEUnderlineRelativeSize", eMetricFloat_IMEUnderlineRelativeSize,
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PR_FALSE, nsLookAndFeelTypeFloat, 0 },
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{ "ui.SpellCheckerUnderlineRelativeSize",
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eMetricFloat_SpellCheckerUnderlineRelativeSize, PR_FALSE,
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nsLookAndFeelTypeFloat, 0 },
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{ "ui.caretAspectRatio", eMetricFloat_CaretAspectRatio, PR_FALSE,
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nsLookAndFeelTypeFloat, 0 },
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};
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// This array MUST be kept in the same order as the color list in nsILookAndFeel.h.
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/* XXX If you add any strings longer than
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* "ui.IMESelectedConvertedTextBackground"
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* to the following array then you MUST update the
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* sizes of the sColorPrefs array in nsXPLookAndFeel.h
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*/
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const char nsXPLookAndFeel::sColorPrefs[][38] =
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{
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"ui.windowBackground",
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"ui.windowForeground",
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"ui.widgetBackground",
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"ui.widgetForeground",
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"ui.widgetSelectBackground",
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"ui.widgetSelectForeground",
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"ui.widget3DHighlight",
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"ui.widget3DShadow",
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"ui.textBackground",
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"ui.textForeground",
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"ui.textSelectBackground",
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"ui.textSelectForeground",
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"ui.textSelectBackgroundDisabled",
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"ui.textSelectBackgroundAttention",
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"ui.textHighlightBackground",
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"ui.textHighlightForeground",
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"ui.IMERawInputBackground",
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"ui.IMERawInputForeground",
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"ui.IMERawInputUnderline",
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"ui.IMESelectedRawTextBackground",
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"ui.IMESelectedRawTextForeground",
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"ui.IMESelectedRawTextUnderline",
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"ui.IMEConvertedTextBackground",
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"ui.IMEConvertedTextForeground",
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"ui.IMEConvertedTextUnderline",
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"ui.IMESelectedConvertedTextBackground",
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"ui.IMESelectedConvertedTextForeground",
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"ui.IMESelectedConvertedTextUnderline",
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"ui.SpellCheckerUnderline",
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"ui.activeborder",
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"ui.activecaption",
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"ui.appworkspace",
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"ui.background",
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"ui.buttonface",
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"ui.buttonhighlight",
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"ui.buttonshadow",
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"ui.buttontext",
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"ui.captiontext",
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"ui.graytext",
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"ui.highlight",
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"ui.highlighttext",
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"ui.inactiveborder",
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"ui.inactivecaption",
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"ui.inactivecaptiontext",
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"ui.infobackground",
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"ui.infotext",
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"ui.menu",
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"ui.menutext",
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"ui.scrollbar",
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"ui.threeddarkshadow",
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"ui.threedface",
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"ui.threedhighlight",
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"ui.threedlightshadow",
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"ui.threedshadow",
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"ui.window",
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"ui.windowframe",
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"ui.windowtext",
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"ui.-moz-buttondefault",
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"ui.-moz-field",
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"ui.-moz-fieldtext",
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"ui.-moz-dialog",
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"ui.-moz-dialogtext",
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"ui.-moz-dragtargetzone",
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"ui.-moz-cellhighlight",
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"ui.-moz_cellhighlighttext",
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"ui.-moz-html-cellhighlight",
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"ui.-moz-html-cellhighlighttext",
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"ui.-moz-buttonhoverface",
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"ui.-moz_buttonhovertext",
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"ui.-moz_menuhover",
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"ui.-moz_menuhovertext",
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"ui.-moz_menubartext",
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"ui.-moz_menubarhovertext",
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"ui.-moz_eventreerow",
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"ui.-moz_oddtreerow",
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"ui.-moz_mac_chrome_active",
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"ui.-moz_mac_chrome_inactive",
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"ui.-moz-mac-focusring",
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"ui.-moz-mac-menuselect",
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"ui.-moz-mac-menushadow",
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"ui.-moz-mac-menutextdisable",
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"ui.-moz-mac-menutextselect",
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"ui.-moz_mac_disabledtoolbartext",
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"ui.-moz-mac-alternateprimaryhighlight",
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"ui.-moz-mac-secondaryhighlight",
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"ui.-moz-win-mediatext",
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"ui.-moz-win-communicationstext",
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"ui.-moz-nativehyperlinktext",
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"ui.-moz-comboboxtext",
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"ui.-moz-combobox"
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};
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PRInt32 nsXPLookAndFeel::sCachedColors[nsILookAndFeel::eColor_LAST_COLOR] = {0};
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PRInt32 nsXPLookAndFeel::sCachedColorBits[COLOR_CACHE_SIZE] = {0};
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PRBool nsXPLookAndFeel::sInitialized = PR_FALSE;
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PRBool nsXPLookAndFeel::sUseNativeColors = PR_TRUE;
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nsXPLookAndFeel::nsXPLookAndFeel() : nsILookAndFeel()
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{
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}
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void
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nsXPLookAndFeel::IntPrefChanged (nsLookAndFeelIntPref *data)
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{
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if (data)
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{
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nsCOMPtr<nsIPrefBranch> prefService(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (prefService)
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{
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PRInt32 intpref;
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nsresult rv = prefService->GetIntPref(data->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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data->intVar = intpref;
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data->isSet = PR_TRUE;
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#ifdef DEBUG_akkana
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printf("====== Changed int pref %s to %d\n", data->name, data->intVar);
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#endif
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}
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}
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}
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}
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void
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nsXPLookAndFeel::FloatPrefChanged (nsLookAndFeelFloatPref *data)
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{
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if (data)
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{
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nsCOMPtr<nsIPrefBranch> prefService(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (prefService)
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{
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PRInt32 intpref;
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nsresult rv = prefService->GetIntPref(data->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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data->floatVar = (float)intpref / 100.;
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data->isSet = PR_TRUE;
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#ifdef DEBUG_akkana
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printf("====== Changed float pref %s to %f\n", data->name, data->floatVar);
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#endif
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}
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}
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}
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}
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void
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nsXPLookAndFeel::ColorPrefChanged (unsigned int index, const char *prefName)
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{
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nsCOMPtr<nsIPrefBranch> prefService(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (prefService) {
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nsXPIDLCString colorStr;
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nsresult rv = prefService->GetCharPref(prefName, getter_Copies(colorStr));
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if (NS_SUCCEEDED(rv) && !colorStr.IsEmpty()) {
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nscolor thecolor;
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if (colorStr[0] == '#') {
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if (NS_HexToRGB(NS_ConvertASCIItoUTF16(Substring(colorStr, 1, colorStr.Length() - 1)),
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&thecolor)) {
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PRInt32 id = NS_PTR_TO_INT32(index);
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CACHE_COLOR(id, thecolor);
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}
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}
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else if (NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(colorStr), &thecolor)) {
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PRInt32 id = NS_PTR_TO_INT32(index);
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CACHE_COLOR(id, thecolor);
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#ifdef DEBUG_akkana
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printf("====== Changed color pref %s to 0x%lx\n",
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prefName, thecolor);
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#endif
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}
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} else if (colorStr.IsEmpty()) {
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// Reset to the default color, by clearing the cache
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// to force lookup when the color is next used
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PRInt32 id = NS_PTR_TO_INT32(index);
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CLEAR_COLOR_CACHE(id);
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}
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}
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}
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void
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nsXPLookAndFeel::InitFromPref(nsLookAndFeelIntPref* aPref, nsIPrefBranch* aPrefBranch)
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{
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PRInt32 intpref;
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nsresult rv = aPrefBranch->GetIntPref(aPref->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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aPref->isSet = PR_TRUE;
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aPref->intVar = intpref;
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}
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}
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void
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nsXPLookAndFeel::InitFromPref(nsLookAndFeelFloatPref* aPref, nsIPrefBranch* aPrefBranch)
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{
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PRInt32 intpref;
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nsresult rv = aPrefBranch->GetIntPref(aPref->name, &intpref);
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if (NS_SUCCEEDED(rv))
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{
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aPref->isSet = PR_TRUE;
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aPref->floatVar = (float)intpref / 100.;
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}
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}
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void
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nsXPLookAndFeel::InitColorFromPref(PRInt32 i, nsIPrefBranch* aPrefBranch)
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{
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nsXPIDLCString colorStr;
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nsresult rv = aPrefBranch->GetCharPref(sColorPrefs[i], getter_Copies(colorStr));
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if (NS_SUCCEEDED(rv) && !colorStr.IsEmpty())
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{
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nsAutoString colorNSStr; colorNSStr.AssignWithConversion(colorStr);
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nscolor thecolor;
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if (colorNSStr[0] == '#') {
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nsAutoString hexString;
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colorNSStr.Right(hexString, colorNSStr.Length() - 1);
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if (NS_HexToRGB(hexString, &thecolor)) {
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CACHE_COLOR(i, thecolor);
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}
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}
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else if (NS_ColorNameToRGB(colorNSStr, &thecolor))
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{
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CACHE_COLOR(i, thecolor);
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}
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}
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}
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NS_IMETHODIMP
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nsXPLookAndFeel::Observe(nsISupports* aSubject,
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const char* aTopic,
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const PRUnichar* aData)
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{
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// looping in the same order as in ::Init
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unsigned int i;
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for (i = 0; i < NS_ARRAY_LENGTH(sIntPrefs); ++i) {
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if (nsDependentString(aData).EqualsASCII(sIntPrefs[i].name)) {
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IntPrefChanged(&sIntPrefs[i]);
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return NS_OK;
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}
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}
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for (i = 0; i < NS_ARRAY_LENGTH(sFloatPrefs); ++i) {
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if (nsDependentString(aData).EqualsASCII(sFloatPrefs[i].name)) {
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FloatPrefChanged(&sFloatPrefs[i]);
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return NS_OK;
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}
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}
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for (i = 0; i < NS_ARRAY_LENGTH(sColorPrefs); ++i) {
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if (nsDependentString(aData).EqualsASCII(sColorPrefs[i])) {
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ColorPrefChanged(i, sColorPrefs[i]);
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return NS_OK;
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}
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}
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return NS_OK;
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}
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//
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// Read values from the user's preferences.
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// This is done once at startup, but since the user's preferences
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// haven't actually been read yet at that time, we also have to
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// set a callback to inform us of changes to each pref.
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//
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void
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nsXPLookAndFeel::Init()
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{
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// Say we're already initialized, and take the chance that it might fail;
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// protects against some other process writing to our static variables.
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sInitialized = PR_TRUE;
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nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (!prefs)
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return;
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nsCOMPtr<nsIPrefBranch2> prefBranchInternal(do_QueryInterface(prefs));
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if (!prefBranchInternal)
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return;
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unsigned int i;
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for (i = 0; i < NS_ARRAY_LENGTH(sIntPrefs); ++i) {
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InitFromPref(&sIntPrefs[i], prefs);
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prefBranchInternal->AddObserver(sIntPrefs[i].name, this, PR_FALSE);
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}
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for (i = 0; i < NS_ARRAY_LENGTH(sFloatPrefs); ++i) {
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InitFromPref(&sFloatPrefs[i], prefs);
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prefBranchInternal->AddObserver(sFloatPrefs[i].name, this, PR_FALSE);
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}
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for (i = 0; i < NS_ARRAY_LENGTH(sColorPrefs); ++i) {
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InitColorFromPref(i, prefs);
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prefBranchInternal->AddObserver(sColorPrefs[i], this, PR_FALSE);
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}
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PRBool val;
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if (NS_SUCCEEDED(prefs->GetBoolPref("ui.use_native_colors", &val))) {
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sUseNativeColors = val;
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}
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}
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nsXPLookAndFeel::~nsXPLookAndFeel()
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{
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}
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PRBool
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nsXPLookAndFeel::IsSpecialColor(const nsColorID aID, nscolor &aColor)
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{
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switch (aID) {
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case eColor_TextSelectForeground:
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return (aColor == NS_DONT_CHANGE_COLOR);
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case eColor_IMESelectedRawTextBackground:
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case eColor_IMESelectedConvertedTextBackground:
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case eColor_IMERawInputBackground:
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case eColor_IMEConvertedTextBackground:
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case eColor_IMESelectedRawTextForeground:
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case eColor_IMESelectedConvertedTextForeground:
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case eColor_IMERawInputForeground:
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case eColor_IMEConvertedTextForeground:
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case eColor_IMERawInputUnderline:
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case eColor_IMEConvertedTextUnderline:
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case eColor_IMESelectedRawTextUnderline:
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case eColor_IMESelectedConvertedTextUnderline:
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case eColor_SpellCheckerUnderline:
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return NS_IS_SELECTION_SPECIAL_COLOR(aColor);
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default:
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/*
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* In GetColor(), every color that is not a special color is color
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* corrected. Use PR_FALSE to make other colors color corrected.
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*/
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return PR_FALSE;
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}
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return PR_FALSE;
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}
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//
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// All these routines will return NS_OK if they have a value,
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// in which case the nsLookAndFeel should use that value;
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// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
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// platform-specific nsLookAndFeel should use its own values instead.
|
|
//
|
|
NS_IMETHODIMP
|
|
nsXPLookAndFeel::GetColor(const nsColorID aID, nscolor &aColor)
|
|
{
|
|
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 eColor_activecaption:
|
|
// active window caption background
|
|
case eColor_captiontext:
|
|
// text in active window caption
|
|
aColor = NS_RGB(0xff, 0x00, 0x00);
|
|
break;
|
|
|
|
case eColor_highlight:
|
|
// background of selected item
|
|
case eColor_highlighttext:
|
|
// text of selected item
|
|
aColor = NS_RGB(0xff, 0xff, 0x00);
|
|
break;
|
|
|
|
case eColor_inactivecaption:
|
|
// inactive window caption
|
|
case eColor_inactivecaptiontext:
|
|
// text in inactive window caption
|
|
aColor = NS_RGB(0x66, 0x66, 0x00);
|
|
break;
|
|
|
|
case eColor_infobackground:
|
|
// tooltip background color
|
|
case eColor_infotext:
|
|
// tooltip text color
|
|
aColor = NS_RGB(0x00, 0xff, 0x00);
|
|
break;
|
|
|
|
case eColor_menu:
|
|
// menu background
|
|
case eColor_menutext:
|
|
// menu text
|
|
aColor = NS_RGB(0x00, 0xff, 0xff);
|
|
break;
|
|
|
|
case eColor_threedface:
|
|
case eColor_buttonface:
|
|
// 3-D face color
|
|
case eColor_buttontext:
|
|
// text on push buttons
|
|
aColor = NS_RGB(0x00, 0x66, 0x66);
|
|
break;
|
|
|
|
case eColor_window:
|
|
case eColor_windowtext:
|
|
aColor = 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 eColor__moz_field:
|
|
case eColor__moz_fieldtext:
|
|
aColor = NS_RGB(0xff, 0x00, 0xff);
|
|
break;
|
|
|
|
case eColor__moz_dialog:
|
|
case eColor__moz_dialogtext:
|
|
aColor = NS_RGB(0x66, 0x00, 0x66);
|
|
break;
|
|
|
|
default:
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (NS_SUCCEEDED(rv))
|
|
return rv;
|
|
}
|
|
#endif // DEBUG_SYSTEM_COLOR_USE
|
|
|
|
if (IS_COLOR_CACHED(aID)) {
|
|
aColor = sCachedColors[aID];
|
|
return NS_OK;
|
|
}
|
|
|
|
// There are no system color settings for these, so set them manually
|
|
if (aID == eColor_TextSelectBackgroundDisabled) {
|
|
// This is used to gray out the selection when it's not focused
|
|
// Used with nsISelectionController::SELECTION_DISABLED
|
|
aColor = NS_RGB(0xb0, 0xb0, 0xb0);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (aID == eColor_TextSelectBackgroundAttention) {
|
|
// This makes the selection stand out when typeaheadfind is on
|
|
// Used with nsISelectionController::SELECTION_ATTENTION
|
|
aColor = NS_RGB(0x38, 0xd8, 0x78);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (aID == eColor_TextHighlightBackground) {
|
|
// This makes the matched text stand out when findbar highlighting is on
|
|
// Used with nsISelectionController::SELECTION_FIND
|
|
aColor = NS_RGB(0xef, 0x0f, 0xff);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (aID == eColor_TextHighlightForeground) {
|
|
// The foreground color for the matched text in findbar highlighting
|
|
// Used with nsISelectionController::SELECTION_FIND
|
|
aColor = NS_RGB(0xff, 0xff, 0xff);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (sUseNativeColors && NS_SUCCEEDED(NativeGetColor(aID, aColor))) {
|
|
if ((gfxPlatform::GetCMSMode() == eCMSMode_All) && !IsSpecialColor(aID, aColor)) {
|
|
qcms_transform *transform = gfxPlatform::GetCMSInverseRGBTransform();
|
|
if (transform) {
|
|
PRUint8 color[3];
|
|
color[0] = NS_GET_R(aColor);
|
|
color[1] = NS_GET_G(aColor);
|
|
color[2] = NS_GET_B(aColor);
|
|
qcms_transform_data(transform, color, color, 1);
|
|
aColor = NS_RGB(color[0], color[1], color[2]);
|
|
}
|
|
}
|
|
|
|
CACHE_COLOR(aID, aColor);
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPLookAndFeel::GetMetric(const nsMetricID aID, PRInt32& aMetric)
|
|
{
|
|
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 eMetric_ScrollButtonLeftMouseButtonAction:
|
|
aMetric = 0;
|
|
return NS_OK;
|
|
case eMetric_ScrollButtonMiddleMouseButtonAction:
|
|
aMetric = 3;
|
|
return NS_OK;
|
|
case eMetric_ScrollButtonRightMouseButtonAction:
|
|
aMetric = 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 < ((sizeof (sIntPrefs) / sizeof (*sIntPrefs))); ++i)
|
|
if (sIntPrefs[i].isSet && (sIntPrefs[i].id == aID))
|
|
{
|
|
aMetric = sIntPrefs[i].intVar;
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPLookAndFeel::GetMetric(const nsMetricFloatID aID, float& aMetric)
|
|
{
|
|
if (!sInitialized)
|
|
Init();
|
|
|
|
for (unsigned int i = 0; i < ((sizeof (sFloatPrefs) / sizeof (*sFloatPrefs))); ++i)
|
|
if (sFloatPrefs[i].isSet && sFloatPrefs[i].id == aID)
|
|
{
|
|
aMetric = sFloatPrefs[i].floatVar;
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPLookAndFeel::LookAndFeelChanged()
|
|
{
|
|
// Wipe out our color cache.
|
|
PRUint32 i;
|
|
for (i = 0; i < nsILookAndFeel::eColor_LAST_COLOR; i++)
|
|
sCachedColors[i] = 0;
|
|
for (i = 0; i < COLOR_CACHE_SIZE; i++)
|
|
sCachedColorBits[i] = 0;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
#ifdef DEBUG
|
|
// This method returns the actual (or nearest estimate)
|
|
// of the Navigator size for a given form control for a given font
|
|
// and font size. This is used in NavQuirks mode to see how closely
|
|
// we match its size
|
|
NS_IMETHODIMP
|
|
nsXPLookAndFeel::GetNavSize(const nsMetricNavWidgetID aWidgetID,
|
|
const nsMetricNavFontID aFontID,
|
|
const PRInt32 aFontSize,
|
|
nsSize &aSize)
|
|
{
|
|
aSize.width = 0;
|
|
aSize.height = 0;
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
#endif
|