gecko-dev/gfx/thebes/gfxPlatformFontList.cpp
Zack Weinberg 95de3783f6 Bug 571989 part 3: Flatten directory structure below gfx/thebes.
--HG--
rename : gfx/thebes/src/GLContext.cpp => gfx/thebes/GLContext.cpp
rename : gfx/thebes/public/GLContext.h => gfx/thebes/GLContext.h
rename : gfx/thebes/public/GLContextProvider.h => gfx/thebes/GLContextProvider.h
rename : gfx/thebes/src/GLContextProviderCGL.mm => gfx/thebes/GLContextProviderCGL.mm
rename : gfx/thebes/src/GLContextProviderEGL.cpp => gfx/thebes/GLContextProviderEGL.cpp
rename : gfx/thebes/src/GLContextProviderGLX.cpp => gfx/thebes/GLContextProviderGLX.cpp
rename : gfx/thebes/src/GLContextProviderNull.cpp => gfx/thebes/GLContextProviderNull.cpp
rename : gfx/thebes/src/GLContextProviderOSMesa.cpp => gfx/thebes/GLContextProviderOSMesa.cpp
rename : gfx/thebes/src/GLContextProviderWGL.cpp => gfx/thebes/GLContextProviderWGL.cpp
rename : gfx/thebes/public/GLDefs.h => gfx/thebes/GLDefs.h
rename : gfx/thebes/public/GLXLibrary.h => gfx/thebes/GLXLibrary.h
rename : gfx/thebes/public/WGLLibrary.h => gfx/thebes/WGLLibrary.h
rename : gfx/thebes/src/cairo-gdk-utils.c => gfx/thebes/cairo-gdk-utils.c
rename : gfx/thebes/src/cairo-gdk-utils.h => gfx/thebes/cairo-gdk-utils.h
rename : gfx/thebes/src/cairo-xlib-utils.c => gfx/thebes/cairo-xlib-utils.c
rename : gfx/thebes/src/cairo-xlib-utils.h => gfx/thebes/cairo-xlib-utils.h
rename : gfx/thebes/src/genUnicodeScriptData.pl => gfx/thebes/genUnicodeScriptData.pl
rename : gfx/thebes/public/gfx3DMatrix.h => gfx/thebes/gfx3DMatrix.h
rename : gfx/thebes/src/gfxASurface.cpp => gfx/thebes/gfxASurface.cpp
rename : gfx/thebes/public/gfxASurface.h => gfx/thebes/gfxASurface.h
rename : gfx/thebes/src/gfxAlphaRecovery.cpp => gfx/thebes/gfxAlphaRecovery.cpp
rename : gfx/thebes/public/gfxAlphaRecovery.h => gfx/thebes/gfxAlphaRecovery.h
rename : gfx/thebes/src/gfxAndroidPlatform.cpp => gfx/thebes/gfxAndroidPlatform.cpp
rename : gfx/thebes/public/gfxAndroidPlatform.h => gfx/thebes/gfxAndroidPlatform.h
rename : gfx/thebes/src/gfxAtomList.h => gfx/thebes/gfxAtomList.h
rename : gfx/thebes/src/gfxAtoms.cpp => gfx/thebes/gfxAtoms.cpp
rename : gfx/thebes/src/gfxAtoms.h => gfx/thebes/gfxAtoms.h
rename : gfx/thebes/src/gfxBeOSPlatform.cpp => gfx/thebes/gfxBeOSPlatform.cpp
rename : gfx/thebes/public/gfxBeOSPlatform.h => gfx/thebes/gfxBeOSPlatform.h
rename : gfx/thebes/src/gfxBeOSSurface.cpp => gfx/thebes/gfxBeOSSurface.cpp
rename : gfx/thebes/public/gfxBeOSSurface.h => gfx/thebes/gfxBeOSSurface.h
rename : gfx/thebes/public/gfxColor.h => gfx/thebes/gfxColor.h
rename : gfx/thebes/src/gfxContext.cpp => gfx/thebes/gfxContext.cpp
rename : gfx/thebes/public/gfxContext.h => gfx/thebes/gfxContext.h
rename : gfx/thebes/src/gfxCoreTextShaper.cpp => gfx/thebes/gfxCoreTextShaper.cpp
rename : gfx/thebes/src/gfxCoreTextShaper.h => gfx/thebes/gfxCoreTextShaper.h
rename : gfx/thebes/src/gfxD2DSurface.cpp => gfx/thebes/gfxD2DSurface.cpp
rename : gfx/thebes/public/gfxD2DSurface.h => gfx/thebes/gfxD2DSurface.h
rename : gfx/thebes/src/gfxDDrawSurface.cpp => gfx/thebes/gfxDDrawSurface.cpp
rename : gfx/thebes/public/gfxDDrawSurface.h => gfx/thebes/gfxDDrawSurface.h
rename : gfx/thebes/src/gfxDWriteCommon.cpp => gfx/thebes/gfxDWriteCommon.cpp
rename : gfx/thebes/src/gfxDWriteCommon.h => gfx/thebes/gfxDWriteCommon.h
rename : gfx/thebes/src/gfxDWriteFontList.cpp => gfx/thebes/gfxDWriteFontList.cpp
rename : gfx/thebes/src/gfxDWriteFontList.h => gfx/thebes/gfxDWriteFontList.h
rename : gfx/thebes/src/gfxDWriteFonts.cpp => gfx/thebes/gfxDWriteFonts.cpp
rename : gfx/thebes/public/gfxDWriteFonts.h => gfx/thebes/gfxDWriteFonts.h
rename : gfx/thebes/src/gfxDWriteShaper.cpp => gfx/thebes/gfxDWriteShaper.cpp
rename : gfx/thebes/src/gfxDWriteShaper.h => gfx/thebes/gfxDWriteShaper.h
rename : gfx/thebes/src/gfxDWriteTextAnalysis.cpp => gfx/thebes/gfxDWriteTextAnalysis.cpp
rename : gfx/thebes/src/gfxDWriteTextAnalysis.h => gfx/thebes/gfxDWriteTextAnalysis.h
rename : gfx/thebes/src/gfxDirectFBSurface.cpp => gfx/thebes/gfxDirectFBSurface.cpp
rename : gfx/thebes/public/gfxDirectFBSurface.h => gfx/thebes/gfxDirectFBSurface.h
rename : gfx/thebes/src/gfxDllDeps.cpp => gfx/thebes/gfxDllDeps.cpp
rename : gfx/thebes/src/gfxFT2FontBase.cpp => gfx/thebes/gfxFT2FontBase.cpp
rename : gfx/thebes/public/gfxFT2FontBase.h => gfx/thebes/gfxFT2FontBase.h
rename : gfx/thebes/src/gfxFT2FontList.cpp => gfx/thebes/gfxFT2FontList.cpp
rename : gfx/thebes/src/gfxFT2FontList.h => gfx/thebes/gfxFT2FontList.h
rename : gfx/thebes/src/gfxFT2Fonts.cpp => gfx/thebes/gfxFT2Fonts.cpp
rename : gfx/thebes/public/gfxFT2Fonts.h => gfx/thebes/gfxFT2Fonts.h
rename : gfx/thebes/src/gfxFT2Utils.cpp => gfx/thebes/gfxFT2Utils.cpp
rename : gfx/thebes/src/gfxFT2Utils.h => gfx/thebes/gfxFT2Utils.h
rename : gfx/thebes/src/gfxFont.cpp => gfx/thebes/gfxFont.cpp
rename : gfx/thebes/public/gfxFont.h => gfx/thebes/gfxFont.h
rename : gfx/thebes/public/gfxFontConstants.h => gfx/thebes/gfxFontConstants.h
rename : gfx/thebes/src/gfxFontMissingGlyphs.cpp => gfx/thebes/gfxFontMissingGlyphs.cpp
rename : gfx/thebes/src/gfxFontMissingGlyphs.h => gfx/thebes/gfxFontMissingGlyphs.h
rename : gfx/thebes/src/gfxFontTest.cpp => gfx/thebes/gfxFontTest.cpp
rename : gfx/thebes/public/gfxFontTest.h => gfx/thebes/gfxFontTest.h
rename : gfx/thebes/src/gfxFontUtils.cpp => gfx/thebes/gfxFontUtils.cpp
rename : gfx/thebes/public/gfxFontUtils.h => gfx/thebes/gfxFontUtils.h
rename : gfx/thebes/src/gfxFontconfigUtils.cpp => gfx/thebes/gfxFontconfigUtils.cpp
rename : gfx/thebes/src/gfxFontconfigUtils.h => gfx/thebes/gfxFontconfigUtils.h
rename : gfx/thebes/src/gfxGDIFont.cpp => gfx/thebes/gfxGDIFont.cpp
rename : gfx/thebes/src/gfxGDIFont.h => gfx/thebes/gfxGDIFont.h
rename : gfx/thebes/src/gfxGDIFontList.cpp => gfx/thebes/gfxGDIFontList.cpp
rename : gfx/thebes/src/gfxGDIFontList.h => gfx/thebes/gfxGDIFontList.h
rename : gfx/thebes/src/gfxGDIShaper.cpp => gfx/thebes/gfxGDIShaper.cpp
rename : gfx/thebes/src/gfxGDIShaper.h => gfx/thebes/gfxGDIShaper.h
rename : gfx/thebes/src/gfxGdkNativeRenderer.cpp => gfx/thebes/gfxGdkNativeRenderer.cpp
rename : gfx/thebes/public/gfxGdkNativeRenderer.h => gfx/thebes/gfxGdkNativeRenderer.h
rename : gfx/thebes/public/gfxGlitzSurface.h => gfx/thebes/gfxGlitzSurface.h
rename : gfx/thebes/src/gfxHarfBuzzShaper.cpp => gfx/thebes/gfxHarfBuzzShaper.cpp
rename : gfx/thebes/src/gfxHarfBuzzShaper.h => gfx/thebes/gfxHarfBuzzShaper.h
rename : gfx/thebes/src/gfxImageSurface.cpp => gfx/thebes/gfxImageSurface.cpp
rename : gfx/thebes/public/gfxImageSurface.h => gfx/thebes/gfxImageSurface.h
rename : gfx/thebes/src/gfxMacFont.cpp => gfx/thebes/gfxMacFont.cpp
rename : gfx/thebes/src/gfxMacFont.h => gfx/thebes/gfxMacFont.h
rename : gfx/thebes/src/gfxMacPlatformFontList.h => gfx/thebes/gfxMacPlatformFontList.h
rename : gfx/thebes/src/gfxMacPlatformFontList.mm => gfx/thebes/gfxMacPlatformFontList.mm
rename : gfx/thebes/src/gfxMatrix.cpp => gfx/thebes/gfxMatrix.cpp
rename : gfx/thebes/public/gfxMatrix.h => gfx/thebes/gfxMatrix.h
rename : gfx/thebes/src/gfxOS2Fonts.cpp => gfx/thebes/gfxOS2Fonts.cpp
rename : gfx/thebes/public/gfxOS2Fonts.h => gfx/thebes/gfxOS2Fonts.h
rename : gfx/thebes/src/gfxOS2Platform.cpp => gfx/thebes/gfxOS2Platform.cpp
rename : gfx/thebes/public/gfxOS2Platform.h => gfx/thebes/gfxOS2Platform.h
rename : gfx/thebes/src/gfxOS2Surface.cpp => gfx/thebes/gfxOS2Surface.cpp
rename : gfx/thebes/public/gfxOS2Surface.h => gfx/thebes/gfxOS2Surface.h
rename : gfx/thebes/src/gfxPDFSurface.cpp => gfx/thebes/gfxPDFSurface.cpp
rename : gfx/thebes/public/gfxPDFSurface.h => gfx/thebes/gfxPDFSurface.h
rename : gfx/thebes/src/gfxPSSurface.cpp => gfx/thebes/gfxPSSurface.cpp
rename : gfx/thebes/public/gfxPSSurface.h => gfx/thebes/gfxPSSurface.h
rename : gfx/thebes/src/gfxPangoFonts.cpp => gfx/thebes/gfxPangoFonts.cpp
rename : gfx/thebes/public/gfxPangoFonts.h => gfx/thebes/gfxPangoFonts.h
rename : gfx/thebes/src/gfxPath.cpp => gfx/thebes/gfxPath.cpp
rename : gfx/thebes/public/gfxPath.h => gfx/thebes/gfxPath.h
rename : gfx/thebes/src/gfxPattern.cpp => gfx/thebes/gfxPattern.cpp
rename : gfx/thebes/public/gfxPattern.h => gfx/thebes/gfxPattern.h
rename : gfx/thebes/src/gfxPlatform.cpp => gfx/thebes/gfxPlatform.cpp
rename : gfx/thebes/public/gfxPlatform.h => gfx/thebes/gfxPlatform.h
rename : gfx/thebes/src/gfxPlatformFontList.cpp => gfx/thebes/gfxPlatformFontList.cpp
rename : gfx/thebes/src/gfxPlatformFontList.h => gfx/thebes/gfxPlatformFontList.h
rename : gfx/thebes/src/gfxPlatformGtk.cpp => gfx/thebes/gfxPlatformGtk.cpp
rename : gfx/thebes/public/gfxPlatformGtk.h => gfx/thebes/gfxPlatformGtk.h
rename : gfx/thebes/src/gfxPlatformMac.cpp => gfx/thebes/gfxPlatformMac.cpp
rename : gfx/thebes/public/gfxPlatformMac.h => gfx/thebes/gfxPlatformMac.h
rename : gfx/thebes/public/gfxPoint.h => gfx/thebes/gfxPoint.h
rename : gfx/thebes/src/gfxQPainterSurface.cpp => gfx/thebes/gfxQPainterSurface.cpp
rename : gfx/thebes/public/gfxQPainterSurface.h => gfx/thebes/gfxQPainterSurface.h
rename : gfx/thebes/src/gfxQtNativeRenderer.cpp => gfx/thebes/gfxQtNativeRenderer.cpp
rename : gfx/thebes/public/gfxQtNativeRenderer.h => gfx/thebes/gfxQtNativeRenderer.h
rename : gfx/thebes/src/gfxQtPlatform.cpp => gfx/thebes/gfxQtPlatform.cpp
rename : gfx/thebes/public/gfxQtPlatform.h => gfx/thebes/gfxQtPlatform.h
rename : gfx/thebes/src/gfxQuartzImageSurface.cpp => gfx/thebes/gfxQuartzImageSurface.cpp
rename : gfx/thebes/public/gfxQuartzImageSurface.h => gfx/thebes/gfxQuartzImageSurface.h
rename : gfx/thebes/src/gfxQuartzNativeDrawing.cpp => gfx/thebes/gfxQuartzNativeDrawing.cpp
rename : gfx/thebes/public/gfxQuartzNativeDrawing.h => gfx/thebes/gfxQuartzNativeDrawing.h
rename : gfx/thebes/src/gfxQuartzPDFSurface.cpp => gfx/thebes/gfxQuartzPDFSurface.cpp
rename : gfx/thebes/public/gfxQuartzPDFSurface.h => gfx/thebes/gfxQuartzPDFSurface.h
rename : gfx/thebes/src/gfxQuartzSurface.cpp => gfx/thebes/gfxQuartzSurface.cpp
rename : gfx/thebes/public/gfxQuartzSurface.h => gfx/thebes/gfxQuartzSurface.h
rename : gfx/thebes/src/gfxRect.cpp => gfx/thebes/gfxRect.cpp
rename : gfx/thebes/public/gfxRect.h => gfx/thebes/gfxRect.h
rename : gfx/thebes/src/gfxScriptItemizer.cpp => gfx/thebes/gfxScriptItemizer.cpp
rename : gfx/thebes/src/gfxScriptItemizer.h => gfx/thebes/gfxScriptItemizer.h
rename : gfx/thebes/src/gfxSharedImageSurface.cpp => gfx/thebes/gfxSharedImageSurface.cpp
rename : gfx/thebes/public/gfxSharedImageSurface.h => gfx/thebes/gfxSharedImageSurface.h
rename : gfx/thebes/src/gfxSkipChars.cpp => gfx/thebes/gfxSkipChars.cpp
rename : gfx/thebes/public/gfxSkipChars.h => gfx/thebes/gfxSkipChars.h
rename : gfx/thebes/src/gfxTextRunCache.cpp => gfx/thebes/gfxTextRunCache.cpp
rename : gfx/thebes/public/gfxTextRunCache.h => gfx/thebes/gfxTextRunCache.h
rename : gfx/thebes/src/gfxTextRunWordCache.cpp => gfx/thebes/gfxTextRunWordCache.cpp
rename : gfx/thebes/public/gfxTextRunWordCache.h => gfx/thebes/gfxTextRunWordCache.h
rename : gfx/thebes/public/gfxTypes.h => gfx/thebes/gfxTypes.h
rename : gfx/thebes/src/gfxUnicodeProperties.cpp => gfx/thebes/gfxUnicodeProperties.cpp
rename : gfx/thebes/src/gfxUnicodeProperties.h => gfx/thebes/gfxUnicodeProperties.h
rename : gfx/thebes/src/gfxUnicodePropertyData.cpp => gfx/thebes/gfxUnicodePropertyData.cpp
rename : gfx/thebes/src/gfxUniscribeShaper.cpp => gfx/thebes/gfxUniscribeShaper.cpp
rename : gfx/thebes/src/gfxUniscribeShaper.h => gfx/thebes/gfxUniscribeShaper.h
rename : gfx/thebes/src/gfxUserFontSet.cpp => gfx/thebes/gfxUserFontSet.cpp
rename : gfx/thebes/public/gfxUserFontSet.h => gfx/thebes/gfxUserFontSet.h
rename : gfx/thebes/src/gfxUtils.cpp => gfx/thebes/gfxUtils.cpp
rename : gfx/thebes/public/gfxUtils.h => gfx/thebes/gfxUtils.h
rename : gfx/thebes/src/gfxWindowsNativeDrawing.cpp => gfx/thebes/gfxWindowsNativeDrawing.cpp
rename : gfx/thebes/public/gfxWindowsNativeDrawing.h => gfx/thebes/gfxWindowsNativeDrawing.h
rename : gfx/thebes/src/gfxWindowsPlatform.cpp => gfx/thebes/gfxWindowsPlatform.cpp
rename : gfx/thebes/public/gfxWindowsPlatform.h => gfx/thebes/gfxWindowsPlatform.h
rename : gfx/thebes/src/gfxWindowsSurface.cpp => gfx/thebes/gfxWindowsSurface.cpp
rename : gfx/thebes/public/gfxWindowsSurface.h => gfx/thebes/gfxWindowsSurface.h
rename : gfx/thebes/src/gfxXlibNativeRenderer.cpp => gfx/thebes/gfxXlibNativeRenderer.cpp
rename : gfx/thebes/public/gfxXlibNativeRenderer.h => gfx/thebes/gfxXlibNativeRenderer.h
rename : gfx/thebes/src/gfxXlibSurface.cpp => gfx/thebes/gfxXlibSurface.cpp
rename : gfx/thebes/public/gfxXlibSurface.h => gfx/thebes/gfxXlibSurface.h
rename : gfx/thebes/src/ignorable.x-ccmap => gfx/thebes/ignorable.x-ccmap
rename : gfx/thebes/src/nsUnicodeRange.cpp => gfx/thebes/nsUnicodeRange.cpp
rename : gfx/thebes/src/nsUnicodeRange.h => gfx/thebes/nsUnicodeRange.h
rename : gfx/thebes/src/woff-private.h => gfx/thebes/woff-private.h
rename : gfx/thebes/src/woff.c => gfx/thebes/woff.c
rename : gfx/thebes/src/woff.h => gfx/thebes/woff.h
2010-06-28 10:37:23 -07:00

558 lines
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C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2006-2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jonathan Kew <jfkthame@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* Based in part on sample code provided by Apple Computer, Inc.,
* under the following license:
*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
#include "gfxPlatformFontList.h"
#include "gfxTextRunWordCache.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h" // for pref changes callback notification
#include "nsServiceManagerUtils.h"
#include "nsUnicharUtils.h"
// font info loader constants
static const PRUint32 kDelayBeforeLoadingCmaps = 8 * 1000; // 8secs
static const PRUint32 kIntervalBetweenLoadingCmaps = 150; // 150ms
static const PRUint32 kNumFontsPerSlice = 10; // read in info 10 fonts at a time
static PRLogModuleInfo *gFontListLog = PR_NewLogModule("fontListLog");
gfxPlatformFontList *gfxPlatformFontList::sPlatformFontList = nsnull;
class gfxFontListPrefObserver : public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
};
NS_IMPL_ISUPPORTS1(gfxFontListPrefObserver, nsIObserver)
NS_IMETHODIMP
gfxFontListPrefObserver::Observe(nsISupports *aSubject,
const char *aTopic,
const PRUnichar *aData)
{
NS_ASSERTION(!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID), "invalid topic");
// XXX this could be made to only clear out the cache for the prefs that were changed
// but it probably isn't that big a deal.
gfxPlatformFontList::PlatformFontList()->ClearPrefFonts();
gfxFontCache::GetCache()->AgeAllGenerations();
return NS_OK;
}
gfxPlatformFontList::gfxPlatformFontList(PRBool aNeedFullnamePostscriptNames)
: mNeedFullnamePostscriptNames(aNeedFullnamePostscriptNames),
mStartIndex(0), mIncrement(kNumFontsPerSlice), mNumFamilies(0)
{
mFontFamilies.Init(100);
mOtherFamilyNames.Init(30);
mOtherFamilyNamesInitialized = PR_FALSE;
if (mNeedFullnamePostscriptNames) {
mFullnames.Init(100);
mPostscriptNames.Init(100);
}
mFaceNamesInitialized = PR_FALSE;
mPrefFonts.Init(10);
mBadUnderlineFamilyNames.Init(10);
LoadBadUnderlineList();
// pref changes notification setup
gfxFontListPrefObserver *observer = new gfxFontListPrefObserver();
if (observer) {
nsCOMPtr<nsIPrefBranch2> pref = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (pref) {
pref->AddObserver("font.", observer, PR_FALSE);
pref->AddObserver("font.name-list.", observer, PR_FALSE);
pref->AddObserver("intl.accept_languages", observer, PR_FALSE); // hmmmm...
} else {
delete observer;
}
}
}
void
gfxPlatformFontList::InitFontList()
{
mFontFamilies.Clear();
mOtherFamilyNames.Clear();
mOtherFamilyNamesInitialized = PR_FALSE;
if (mNeedFullnamePostscriptNames) {
mFullnames.Clear();
mPostscriptNames.Clear();
}
mFaceNamesInitialized = PR_FALSE;
mPrefFonts.Clear();
CancelLoader();
// initialize ranges of characters for which system-wide font search should be skipped
mCodepointsWithNoFonts.reset();
mCodepointsWithNoFonts.SetRange(0,0x1f); // C0 controls
mCodepointsWithNoFonts.SetRange(0x7f,0x9f); // C1 controls
}
void
gfxPlatformFontList::GenerateFontListKey(const nsAString& aKeyName, nsAString& aResult)
{
aResult = aKeyName;
ToLowerCase(aResult);
}
void
gfxPlatformFontList::InitOtherFamilyNames()
{
mOtherFamilyNamesInitialized = PR_TRUE;
// iterate over all font families and read in other family names
mFontFamilies.Enumerate(gfxPlatformFontList::InitOtherFamilyNamesProc, this);
}
PLDHashOperator PR_CALLBACK
gfxPlatformFontList::InitOtherFamilyNamesProc(nsStringHashKey::KeyType aKey,
nsRefPtr<gfxFontFamily>& aFamilyEntry,
void* userArg)
{
gfxPlatformFontList *fc = static_cast<gfxPlatformFontList*>(userArg);
aFamilyEntry->ReadOtherFamilyNames(fc);
return PL_DHASH_NEXT;
}
void
gfxPlatformFontList::InitFaceNameLists()
{
mFaceNamesInitialized = PR_TRUE;
// iterate over all font families and read in other family names
mFontFamilies.Enumerate(gfxPlatformFontList::InitFaceNameListsProc, this);
}
PLDHashOperator PR_CALLBACK
gfxPlatformFontList::InitFaceNameListsProc(nsStringHashKey::KeyType aKey,
nsRefPtr<gfxFontFamily>& aFamilyEntry,
void* userArg)
{
gfxPlatformFontList *fc = static_cast<gfxPlatformFontList*>(userArg);
aFamilyEntry->ReadFaceNames(fc, fc->NeedFullnamePostscriptNames());
return PL_DHASH_NEXT;
}
void
gfxPlatformFontList::PreloadNamesList()
{
nsAutoTArray<nsString, 10> preloadFonts;
gfxFontUtils::GetPrefsFontList("font.preload-names-list", preloadFonts);
PRUint32 numFonts = preloadFonts.Length();
for (PRUint32 i = 0; i < numFonts; i++) {
PRBool found;
nsAutoString key;
GenerateFontListKey(preloadFonts[i], key);
// only search canonical names!
gfxFontFamily *familyEntry = mFontFamilies.GetWeak(key, &found);
if (familyEntry) {
familyEntry->ReadOtherFamilyNames(this);
}
}
}
void
gfxPlatformFontList::SetFixedPitch(const nsAString& aFamilyName)
{
gfxFontFamily *family = FindFamily(aFamilyName);
if (!family) return;
family->FindStyleVariations();
nsTArray<nsRefPtr<gfxFontEntry> >& fontlist = family->GetFontList();
PRUint32 i, numFonts = fontlist.Length();
for (i = 0; i < numFonts; i++) {
fontlist[i]->mFixedPitch = 1;
}
}
void
gfxPlatformFontList::LoadBadUnderlineList()
{
nsAutoTArray<nsString, 10> blacklist;
gfxFontUtils::GetPrefsFontList("font.blacklist.underline_offset", blacklist);
PRUint32 numFonts = blacklist.Length();
for (PRUint32 i = 0; i < numFonts; i++) {
nsAutoString key;
GenerateFontListKey(blacklist[i], key);
mBadUnderlineFamilyNames.Put(key);
}
}
PRBool
gfxPlatformFontList::ResolveFontName(const nsAString& aFontName, nsAString& aResolvedFontName)
{
gfxFontFamily *family = FindFamily(aFontName);
if (family) {
aResolvedFontName = family->Name();
return PR_TRUE;
}
return PR_FALSE;
}
struct FontListData {
FontListData(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts) :
mLangGroup(aLangGroup), mGenericFamily(aGenericFamily),
mListOfFonts(aListOfFonts) {}
nsIAtom *mLangGroup;
const nsACString& mGenericFamily;
nsTArray<nsString>& mListOfFonts;
};
PLDHashOperator PR_CALLBACK
gfxPlatformFontList::HashEnumFuncForFamilies(nsStringHashKey::KeyType aKey,
nsRefPtr<gfxFontFamily>& aFamilyEntry,
void *aUserArg)
{
FontListData *data = static_cast<FontListData*>(aUserArg);
// use the first variation for now. This data should be the same
// for all the variations and should probably be moved up to
// the Family
gfxFontStyle style;
style.language = data->mLangGroup;
PRBool needsBold;
nsRefPtr<gfxFontEntry> aFontEntry = aFamilyEntry->FindFontForStyle(style, needsBold);
NS_ASSERTION(aFontEntry, "couldn't find any font entry in family");
if (!aFontEntry)
return PL_DHASH_NEXT;
/* skip symbol fonts */
if (aFontEntry->IsSymbolFont())
return PL_DHASH_NEXT;
if (aFontEntry->SupportsLangGroup(data->mLangGroup) &&
aFontEntry->MatchesGenericFamily(data->mGenericFamily)) {
nsAutoString localizedFamilyName;
aFamilyEntry->LocalizedName(localizedFamilyName);
data->mListOfFonts.AppendElement(localizedFamilyName);
}
return PL_DHASH_NEXT;
}
void
gfxPlatformFontList::GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts)
{
FontListData data(aLangGroup, aGenericFamily, aListOfFonts);
mFontFamilies.Enumerate(gfxPlatformFontList::HashEnumFuncForFamilies, &data);
aListOfFonts.Sort();
aListOfFonts.Compact();
}
struct FontFamilyListData {
FontFamilyListData(nsTArray<nsRefPtr<gfxFontFamily> >& aFamilyArray)
: mFamilyArray(aFamilyArray)
{}
static PLDHashOperator PR_CALLBACK AppendFamily(nsStringHashKey::KeyType aKey,
nsRefPtr<gfxFontFamily>& aFamilyEntry,
void *aUserArg)
{
FontFamilyListData *data = static_cast<FontFamilyListData*>(aUserArg);
data->mFamilyArray.AppendElement(aFamilyEntry);
return PL_DHASH_NEXT;
}
nsTArray<nsRefPtr<gfxFontFamily> >& mFamilyArray;
};
void
gfxPlatformFontList::GetFontFamilyList(nsTArray<nsRefPtr<gfxFontFamily> >& aFamilyArray)
{
FontFamilyListData data(aFamilyArray);
mFontFamilies.Enumerate(FontFamilyListData::AppendFamily, &data);
}
gfxFontEntry*
gfxPlatformFontList::FindFontForChar(const PRUint32 aCh, gfxFont *aPrevFont)
{
// is codepoint with no matching font? return null immediately
if (mCodepointsWithNoFonts.test(aCh)) {
return nsnull;
}
// TODO: optimize fallback e.g. by caching lists of fonts to try for a given
// unicode range or script
// try to short-circuit font fallback for U+FFFD, used to represent encoding errors:
// just use a platform-specific fallback system font that is guaranteed (or at least
// highly likely) to be around, or a cached family from last time U+FFFD was seen.
// this helps speed up pages with lots of encoding errors, binary-as-text, etc.
if (aCh == 0xFFFD && mReplacementCharFallbackFamily.Length() > 0) {
gfxFontEntry* fontEntry = nsnull;
PRBool needsBold; // ignored in the system fallback case
if (aPrevFont) {
fontEntry = FindFontForFamily(mReplacementCharFallbackFamily, aPrevFont->GetStyle(), needsBold);
} else {
gfxFontStyle normalStyle;
fontEntry = FindFontForFamily(mReplacementCharFallbackFamily, &normalStyle, needsBold);
}
if (fontEntry && fontEntry->TestCharacterMap(aCh))
return fontEntry;
}
FontSearch data(aCh, aPrevFont);
// iterate over all font families to find a font that support the character
mFontFamilies.Enumerate(gfxPlatformFontList::FindFontForCharProc, &data);
// no match? add to set of non-matching codepoints
if (!data.mBestMatch) {
mCodepointsWithNoFonts.set(aCh);
} else if (aCh == 0xFFFD) {
mReplacementCharFallbackFamily = data.mBestMatch->FamilyName();
}
return data.mBestMatch;
}
PLDHashOperator PR_CALLBACK
gfxPlatformFontList::FindFontForCharProc(nsStringHashKey::KeyType aKey, nsRefPtr<gfxFontFamily>& aFamilyEntry,
void *userArg)
{
FontSearch *data = static_cast<FontSearch*>(userArg);
// evaluate all fonts in this family for a match
aFamilyEntry->FindFontForChar(data);
return PL_DHASH_NEXT;
}
gfxFontFamily*
gfxPlatformFontList::FindFamily(const nsAString& aFamily)
{
nsAutoString key;
gfxFontFamily *familyEntry;
PRBool found;
GenerateFontListKey(aFamily, key);
// lookup in canonical (i.e. English) family name list
if ((familyEntry = mFontFamilies.GetWeak(key, &found))) {
return familyEntry;
}
// lookup in other family names list (mostly localized names)
if ((familyEntry = mOtherFamilyNames.GetWeak(key, &found))) {
return familyEntry;
}
// name not found and other family names not yet fully initialized so
// initialize the rest of the list and try again. this is done lazily
// since reading name table entries is expensive
if (!mOtherFamilyNamesInitialized) {
InitOtherFamilyNames();
if ((familyEntry = mOtherFamilyNames.GetWeak(key, &found))) {
return familyEntry;
}
}
return nsnull;
}
gfxFontEntry*
gfxPlatformFontList::FindFontForFamily(const nsAString& aFamily, const gfxFontStyle* aStyle, PRBool& aNeedsBold)
{
gfxFontFamily *familyEntry = FindFamily(aFamily);
aNeedsBold = PR_FALSE;
if (familyEntry)
return familyEntry->FindFontForStyle(*aStyle, aNeedsBold);
return nsnull;
}
PRBool
gfxPlatformFontList::GetPrefFontFamilyEntries(eFontPrefLang aLangGroup, nsTArray<nsRefPtr<gfxFontFamily> > *array)
{
return mPrefFonts.Get(PRUint32(aLangGroup), array);
}
void
gfxPlatformFontList::SetPrefFontFamilyEntries(eFontPrefLang aLangGroup, nsTArray<nsRefPtr<gfxFontFamily> >& array)
{
mPrefFonts.Put(PRUint32(aLangGroup), array);
}
void
gfxPlatformFontList::AddOtherFamilyName(gfxFontFamily *aFamilyEntry, nsAString& aOtherFamilyName)
{
nsAutoString key;
PRBool found;
GenerateFontListKey(aOtherFamilyName, key);
if (!mOtherFamilyNames.GetWeak(key, &found)) {
mOtherFamilyNames.Put(key, aFamilyEntry);
PR_LOG(gFontListLog, PR_LOG_DEBUG, ("(fontlist-otherfamily) canonical family: %s, other family: %s\n",
NS_ConvertUTF16toUTF8(aFamilyEntry->Name()).get(),
NS_ConvertUTF16toUTF8(aOtherFamilyName).get()));
if (mBadUnderlineFamilyNames.Contains(key))
aFamilyEntry->SetBadUnderlineFamily();
}
}
void
gfxPlatformFontList::AddFullname(gfxFontEntry *aFontEntry, nsAString& aFullname)
{
PRBool found;
if (!mFullnames.GetWeak(aFullname, &found)) {
mFullnames.Put(aFullname, aFontEntry);
PR_LOG(gFontListLog, PR_LOG_DEBUG, ("(fontlist-fullname) name: %s, fullname: %s\n",
NS_ConvertUTF16toUTF8(aFontEntry->Name()).get(),
NS_ConvertUTF16toUTF8(aFullname).get()));
}
}
void
gfxPlatformFontList::AddPostscriptName(gfxFontEntry *aFontEntry, nsAString& aPostscriptName)
{
PRBool found;
if (!mPostscriptNames.GetWeak(aPostscriptName, &found)) {
mPostscriptNames.Put(aPostscriptName, aFontEntry);
PR_LOG(gFontListLog, PR_LOG_DEBUG, ("(fontlist-postscript) name: %s, psname: %s\n",
NS_ConvertUTF16toUTF8(aFontEntry->Name()).get(),
NS_ConvertUTF16toUTF8(aPostscriptName).get()));
}
}
PRBool
gfxPlatformFontList::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
{
aFamilyName.Truncate();
ResolveFontName(aFontName, aFamilyName);
return !aFamilyName.IsEmpty();
}
void
gfxPlatformFontList::InitLoader()
{
GetFontFamilyList(mFontFamiliesToLoad);
mStartIndex = 0;
mNumFamilies = mFontFamiliesToLoad.Length();
}
PRBool
gfxPlatformFontList::RunLoader()
{
PRUint32 i, endIndex = (mStartIndex + mIncrement < mNumFamilies ? mStartIndex + mIncrement : mNumFamilies);
// for each font family, load in various font info
for (i = mStartIndex; i < endIndex; i++) {
gfxFontFamily* familyEntry = mFontFamiliesToLoad[i];
// find all faces that are members of this family
familyEntry->FindStyleVariations();
if (familyEntry->GetFontList().Length() == 0) {
// failed to load any faces for this family, so discard it
nsAutoString key;
GenerateFontListKey(familyEntry->Name(), key);
mFontFamilies.Remove(key);
continue;
}
// load the cmaps
familyEntry->ReadCMAP();
// read in face names
familyEntry->ReadFaceNames(this, mNeedFullnamePostscriptNames);
// check whether the family can be considered "simple" for style matching
familyEntry->CheckForSimpleFamily();
}
mStartIndex = endIndex;
return (mStartIndex >= mNumFamilies);
}
void
gfxPlatformFontList::FinishLoader()
{
mFontFamiliesToLoad.Clear();
mNumFamilies = 0;
}