/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** 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 Communicator client code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of 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. * * ***** END LICENSE BLOCK ***** */ /* rendering object for list-item bullets */ #include "nsCOMPtr.h" #include "nsBulletFrame.h" #include "nsGkAtoms.h" #include "nsHTMLParts.h" #include "nsHTMLContainerFrame.h" #include "nsIFontMetrics.h" #include "nsGenericHTMLElement.h" #include "nsPresContext.h" #include "nsIPresShell.h" #include "nsIDocument.h" #include "nsIRenderingContext.h" #include "nsILoadGroup.h" #include "nsIURL.h" #include "nsNetUtil.h" #include "prprf.h" #include "nsDisplayList.h" #include "imgILoader.h" #include "imgIContainer.h" #include "nsStubImageDecoderObserver.h" #include "nsIServiceManager.h" #include "nsIComponentManager.h" #include "nsContentUtils.h" class nsBulletListener : public nsStubImageDecoderObserver { public: nsBulletListener(); virtual ~nsBulletListener(); NS_DECL_ISUPPORTS // imgIDecoderObserver (override nsStubImageDecoderObserver) NS_IMETHOD OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage); NS_IMETHOD OnDataAvailable(imgIRequest *aRequest, PRBool aCurrentFrame, const nsIntRect *aRect); NS_IMETHOD OnStopDecode(imgIRequest *aRequest, nsresult status, const PRUnichar *statusArg); // imgIContainerObserver (override nsStubImageDecoderObserver) NS_IMETHOD FrameChanged(imgIContainer *aContainer, const nsIntRect *dirtyRect); void SetFrame(nsBulletFrame *frame) { mFrame = frame; } private: nsBulletFrame *mFrame; }; NS_IMPL_FRAMEARENA_HELPERS(nsBulletFrame) nsBulletFrame::~nsBulletFrame() { } void nsBulletFrame::DestroyFrom(nsIFrame* aDestructRoot) { // Stop image loading first if (mImageRequest) { mImageRequest->CancelAndForgetObserver(NS_ERROR_FAILURE); mImageRequest = nsnull; } if (mListener) reinterpret_cast(mListener.get())->SetFrame(nsnull); // Let base class do the rest nsFrame::DestroyFrom(aDestructRoot); } #ifdef NS_DEBUG NS_IMETHODIMP nsBulletFrame::GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("Bullet"), aResult); } #endif nsIAtom* nsBulletFrame::GetType() const { return nsGkAtoms::bulletFrame; } PRBool nsBulletFrame::IsEmpty() { return IsSelfEmpty(); } PRBool nsBulletFrame::IsSelfEmpty() { return GetStyleList()->mListStyleType == NS_STYLE_LIST_STYLE_NONE; } /* virtual */ void nsBulletFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext) { nsFrame::DidSetStyleContext(aOldStyleContext); imgIRequest *newRequest = GetStyleList()->GetListStyleImage(); if (newRequest) { if (!mListener) { nsBulletListener *listener = new nsBulletListener(); NS_ADDREF(listener); listener->SetFrame(this); listener->QueryInterface(NS_GET_IID(imgIDecoderObserver), getter_AddRefs(mListener)); NS_ASSERTION(mListener, "queryinterface for the listener failed"); NS_RELEASE(listener); } PRBool needNewRequest = PR_TRUE; if (mImageRequest) { // Reload the image, maybe... nsCOMPtr oldURI; mImageRequest->GetURI(getter_AddRefs(oldURI)); nsCOMPtr newURI; newRequest->GetURI(getter_AddRefs(newURI)); if (oldURI && newURI) { PRBool same; newURI->Equals(oldURI, &same); if (same) { needNewRequest = PR_FALSE; } else { mImageRequest->Cancel(NS_ERROR_FAILURE); mImageRequest = nsnull; } } } if (needNewRequest) { newRequest->Clone(mListener, getter_AddRefs(mImageRequest)); } } else { // No image request on the new style context if (mImageRequest) { mImageRequest->Cancel(NS_ERROR_FAILURE); mImageRequest = nsnull; } } } class nsDisplayBullet : public nsDisplayItem { public: nsDisplayBullet(nsDisplayListBuilder* aBuilder, nsBulletFrame* aFrame) : nsDisplayItem(aBuilder, aFrame) { MOZ_COUNT_CTOR(nsDisplayBullet); } #ifdef NS_BUILD_REFCNT_LOGGING virtual ~nsDisplayBullet() { MOZ_COUNT_DTOR(nsDisplayBullet); } #endif virtual void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect, HitTestState* aState, nsTArray *aOutFrames) { aOutFrames->AppendElement(mFrame); } virtual void Paint(nsDisplayListBuilder* aBuilder, nsIRenderingContext* aCtx); NS_DISPLAY_DECL_NAME("Bullet", TYPE_BULLET) virtual PRBool HasText() { return PR_TRUE; } }; void nsDisplayBullet::Paint(nsDisplayListBuilder* aBuilder, nsIRenderingContext* aCtx) { static_cast(mFrame)-> PaintBullet(*aCtx, ToReferenceFrame(), mVisibleRect); } NS_IMETHODIMP nsBulletFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists) { if (!IsVisibleForPainting(aBuilder)) return NS_OK; DO_GLOBAL_REFLOW_COUNT_DSP("nsBulletFrame"); return aLists.Content()->AppendNewToTop( new (aBuilder) nsDisplayBullet(aBuilder, this)); } void nsBulletFrame::PaintBullet(nsIRenderingContext& aRenderingContext, nsPoint aPt, const nsRect& aDirtyRect) { const nsStyleList* myList = GetStyleList(); PRUint8 listStyleType = myList->mListStyleType; if (myList->GetListStyleImage() && mImageRequest) { PRUint32 status; mImageRequest->GetImageStatus(&status); if (status & imgIRequest::STATUS_LOAD_COMPLETE && !(status & imgIRequest::STATUS_ERROR)) { nsCOMPtr imageCon; mImageRequest->GetImage(getter_AddRefs(imageCon)); if (imageCon) { nsRect dest(mPadding.left, mPadding.top, mRect.width - (mPadding.left + mPadding.right), mRect.height - (mPadding.top + mPadding.bottom)); nsLayoutUtils::DrawSingleImage(&aRenderingContext, imageCon, nsLayoutUtils::GetGraphicsFilterForFrame(this), dest + aPt, aDirtyRect, imgIContainer::FLAG_NONE); return; } } } nsCOMPtr fm; aRenderingContext.SetColor(GetVisitedDependentColor(eCSSProperty_color)); mTextIsRTL = PR_FALSE; nsAutoString text; switch (listStyleType) { case NS_STYLE_LIST_STYLE_NONE: break; default: case NS_STYLE_LIST_STYLE_DISC: aRenderingContext.FillEllipse(mPadding.left + aPt.x, mPadding.top + aPt.y, mRect.width - (mPadding.left + mPadding.right), mRect.height - (mPadding.top + mPadding.bottom)); break; case NS_STYLE_LIST_STYLE_CIRCLE: aRenderingContext.DrawEllipse(mPadding.left + aPt.x, mPadding.top + aPt.y, mRect.width - (mPadding.left + mPadding.right), mRect.height - (mPadding.top + mPadding.bottom)); break; case NS_STYLE_LIST_STYLE_SQUARE: { nsRect rect(mPadding.TopLeft() + aPt, nsSize(mRect.width - mPadding.LeftRight(), mRect.height - mPadding.TopBottom())); // Snap the height and the width of the rectangle to device pixels, // and then center the result within the original rectangle, so that // all square bullets at the same font size have the same visual // size (bug 376690). // FIXME: We should really only do this if we're not transformed // (like gfxContext::UserToDevicePixelSnapped does). nsPresContext *pc = PresContext(); nsRect snapRect(rect.x, rect.y, pc->RoundAppUnitsToNearestDevPixels(rect.width), pc->RoundAppUnitsToNearestDevPixels(rect.height)); snapRect.MoveBy((rect.width - snapRect.width) / 2, (rect.height - snapRect.height) / 2); aRenderingContext.FillRect(snapRect.x, snapRect.y, snapRect.width, snapRect.height); } break; case NS_STYLE_LIST_STYLE_DECIMAL: case NS_STYLE_LIST_STYLE_OLD_DECIMAL: case NS_STYLE_LIST_STYLE_DECIMAL_LEADING_ZERO: case NS_STYLE_LIST_STYLE_LOWER_ROMAN: case NS_STYLE_LIST_STYLE_UPPER_ROMAN: case NS_STYLE_LIST_STYLE_LOWER_ALPHA: case NS_STYLE_LIST_STYLE_UPPER_ALPHA: case NS_STYLE_LIST_STYLE_OLD_LOWER_ROMAN: case NS_STYLE_LIST_STYLE_OLD_UPPER_ROMAN: case NS_STYLE_LIST_STYLE_OLD_LOWER_ALPHA: case NS_STYLE_LIST_STYLE_OLD_UPPER_ALPHA: case NS_STYLE_LIST_STYLE_LOWER_GREEK: case NS_STYLE_LIST_STYLE_HEBREW: case NS_STYLE_LIST_STYLE_ARMENIAN: case NS_STYLE_LIST_STYLE_GEORGIAN: case NS_STYLE_LIST_STYLE_CJK_IDEOGRAPHIC: case NS_STYLE_LIST_STYLE_HIRAGANA: case NS_STYLE_LIST_STYLE_KATAKANA: case NS_STYLE_LIST_STYLE_HIRAGANA_IROHA: case NS_STYLE_LIST_STYLE_KATAKANA_IROHA: case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_INFORMAL: case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_FORMAL: case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_INFORMAL: case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_FORMAL: case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_INFORMAL: case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_FORMAL: case NS_STYLE_LIST_STYLE_MOZ_CJK_HEAVENLY_STEM: case NS_STYLE_LIST_STYLE_MOZ_CJK_EARTHLY_BRANCH: case NS_STYLE_LIST_STYLE_MOZ_ARABIC_INDIC: case NS_STYLE_LIST_STYLE_MOZ_PERSIAN: case NS_STYLE_LIST_STYLE_MOZ_URDU: case NS_STYLE_LIST_STYLE_MOZ_DEVANAGARI: case NS_STYLE_LIST_STYLE_MOZ_GURMUKHI: case NS_STYLE_LIST_STYLE_MOZ_GUJARATI: case NS_STYLE_LIST_STYLE_MOZ_ORIYA: case NS_STYLE_LIST_STYLE_MOZ_KANNADA: case NS_STYLE_LIST_STYLE_MOZ_MALAYALAM: case NS_STYLE_LIST_STYLE_MOZ_BENGALI: case NS_STYLE_LIST_STYLE_MOZ_TAMIL: case NS_STYLE_LIST_STYLE_MOZ_TELUGU: case NS_STYLE_LIST_STYLE_MOZ_THAI: case NS_STYLE_LIST_STYLE_MOZ_LAO: case NS_STYLE_LIST_STYLE_MOZ_MYANMAR: case NS_STYLE_LIST_STYLE_MOZ_KHMER: case NS_STYLE_LIST_STYLE_MOZ_HANGUL: case NS_STYLE_LIST_STYLE_MOZ_HANGUL_CONSONANT: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_NUMERIC: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_AM: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ER: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ET: nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fm)); GetListItemText(*myList, text); aRenderingContext.SetFont(fm); nscoord ascent; fm->GetMaxAscent(ascent); aRenderingContext.SetTextRunRTL(mTextIsRTL); aRenderingContext.DrawString(text, mPadding.left + aPt.x, mPadding.top + aPt.y + ascent); break; } } PRInt32 nsBulletFrame::SetListItemOrdinal(PRInt32 aNextOrdinal, PRBool* aChanged) { // Assume that the ordinal comes from the caller PRInt32 oldOrdinal = mOrdinal; mOrdinal = aNextOrdinal; // Try to get value directly from the list-item, if it specifies a // value attribute. Note: we do this with our parent's content // because our parent is the list-item. nsIContent* parentContent = mParent->GetContent(); if (parentContent) { nsGenericHTMLElement *hc = nsGenericHTMLElement::FromContent(parentContent); if (hc) { const nsAttrValue* attr = hc->GetParsedAttr(nsGkAtoms::value); if (attr && attr->Type() == nsAttrValue::eInteger) { // Use ordinal specified by the value attribute mOrdinal = attr->GetIntegerValue(); } } } *aChanged = oldOrdinal != mOrdinal; return mOrdinal + 1; } // XXX change roman/alpha to use unsigned math so that maxint and // maxnegint will work /** * For all functions below, a return value of PR_TRUE means that we * could represent mOrder in the desired numbering system. PR_FALSE * means we had to fall back to decimal */ static PRBool DecimalToText(PRInt32 ordinal, nsString& result) { char cbuf[40]; PR_snprintf(cbuf, sizeof(cbuf), "%ld", ordinal); result.AppendASCII(cbuf); return PR_TRUE; } static PRBool DecimalLeadingZeroToText(PRInt32 ordinal, nsString& result) { char cbuf[40]; PR_snprintf(cbuf, sizeof(cbuf), "%02ld", ordinal); result.AppendASCII(cbuf); return PR_TRUE; } static PRBool OtherDecimalToText(PRInt32 ordinal, PRUnichar zeroChar, nsString& result) { PRUnichar diff = zeroChar - PRUnichar('0'); DecimalToText(ordinal, result); PRUnichar* p = result.BeginWriting(); if (ordinal < 0) { // skip the leading '-' ++p; } for(; nsnull != *p ; p++) *p += diff; return PR_TRUE; } static PRBool TamilToText(PRInt32 ordinal, nsString& result) { PRUnichar diff = 0x0BE6 - PRUnichar('0'); DecimalToText(ordinal, result); if (ordinal < 1 || ordinal > 9999) { // Can't do those in this system. return PR_FALSE; } PRUnichar* p = result.BeginWriting(); for(; nsnull != *p ; p++) if(*p != PRUnichar('0')) *p += diff; return PR_TRUE; } static const char gLowerRomanCharsA[] = "ixcm"; static const char gUpperRomanCharsA[] = "IXCM"; static const char gLowerRomanCharsB[] = "vld"; static const char gUpperRomanCharsB[] = "VLD"; static PRBool RomanToText(PRInt32 ordinal, nsString& result, const char* achars, const char* bchars) { if (ordinal < 1 || ordinal > 3999) { DecimalToText(ordinal, result); return PR_FALSE; } nsAutoString addOn, decStr; decStr.AppendInt(ordinal, 10); PRIntn len = decStr.Length(); const PRUnichar* dp = decStr.get(); const PRUnichar* end = dp + len; PRIntn romanPos = len; PRIntn n; for (; dp < end; dp++) { romanPos--; addOn.SetLength(0); switch(*dp) { case '3': addOn.Append(PRUnichar(achars[romanPos])); case '2': addOn.Append(PRUnichar(achars[romanPos])); case '1': addOn.Append(PRUnichar(achars[romanPos])); break; case '4': addOn.Append(PRUnichar(achars[romanPos])); // FALLTHROUGH case '5': case '6': case '7': case '8': addOn.Append(PRUnichar(bchars[romanPos])); for(n=0;'5'+n<*dp;n++) { addOn.Append(PRUnichar(achars[romanPos])); } break; case '9': addOn.Append(PRUnichar(achars[romanPos])); addOn.Append(PRUnichar(achars[romanPos+1])); break; default: break; } result.Append(addOn); } return PR_TRUE; } #define ALPHA_SIZE 26 static const PRUnichar gLowerAlphaChars[ALPHA_SIZE] = { 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, // A B C D E 0x0066, 0x0067, 0x0068, 0x0069, 0x006A, // F G H I J 0x006B, 0x006C, 0x006D, 0x006E, 0x006F, // K L M N O 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, // P Q R S T 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, // U V W X Y 0x007A // Z }; static const PRUnichar gUpperAlphaChars[ALPHA_SIZE] = { 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, // A B C D E 0x0046, 0x0047, 0x0048, 0x0049, 0x004A, // F G H I J 0x004B, 0x004C, 0x004D, 0x004E, 0x004F, // K L M N O 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, // P Q R S T 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, // U V W X Y 0x005A // Z }; #define KATAKANA_CHARS_SIZE 48 // Page 94 Writing Systems of The World // after modification by momoi static const PRUnichar gKatakanaChars[KATAKANA_CHARS_SIZE] = { 0x30A2, 0x30A4, 0x30A6, 0x30A8, 0x30AA, // a i u e o 0x30AB, 0x30AD, 0x30AF, 0x30B1, 0x30B3, // ka ki ku ke ko 0x30B5, 0x30B7, 0x30B9, 0x30BB, 0x30BD, // sa shi su se so 0x30BF, 0x30C1, 0x30C4, 0x30C6, 0x30C8, // ta chi tsu te to 0x30CA, 0x30CB, 0x30CC, 0x30CD, 0x30CE, // na ni nu ne no 0x30CF, 0x30D2, 0x30D5, 0x30D8, 0x30DB, // ha hi hu he ho 0x30DE, 0x30DF, 0x30E0, 0x30E1, 0x30E2, // ma mi mu me mo 0x30E4, 0x30E6, 0x30E8, // ya yu yo 0x30E9, 0x30EA, 0x30EB, 0x30EC, 0x30ED, // ra ri ru re ro 0x30EF, 0x30F0, 0x30F1, 0x30F2, // wa (w)i (w)e (w)o 0x30F3 // n }; #define HIRAGANA_CHARS_SIZE 48 static const PRUnichar gHiraganaChars[HIRAGANA_CHARS_SIZE] = { 0x3042, 0x3044, 0x3046, 0x3048, 0x304A, // a i u e o 0x304B, 0x304D, 0x304F, 0x3051, 0x3053, // ka ki ku ke ko 0x3055, 0x3057, 0x3059, 0x305B, 0x305D, // sa shi su se so 0x305F, 0x3061, 0x3064, 0x3066, 0x3068, // ta chi tsu te to 0x306A, 0x306B, 0x306C, 0x306D, 0x306E, // na ni nu ne no 0x306F, 0x3072, 0x3075, 0x3078, 0x307B, // ha hi hu he ho 0x307E, 0x307F, 0x3080, 0x3081, 0x3082, // ma mi mu me mo 0x3084, 0x3086, 0x3088, // ya yu yo 0x3089, 0x308A, 0x308B, 0x308C, 0x308D, // ra ri ru re ro 0x308F, 0x3090, 0x3091, 0x3092, // wa (w)i (w)e (w)o 0x3093 // n }; #define HIRAGANA_IROHA_CHARS_SIZE 47 // Page 94 Writing Systems of The World static const PRUnichar gHiraganaIrohaChars[HIRAGANA_IROHA_CHARS_SIZE] = { 0x3044, 0x308D, 0x306F, 0x306B, 0x307B, // i ro ha ni ho 0x3078, 0x3068, 0x3061, 0x308A, 0x306C, // he to chi ri nu 0x308B, 0x3092, 0x308F, 0x304B, 0x3088, // ru (w)o wa ka yo 0x305F, 0x308C, 0x305D, 0x3064, 0x306D, // ta re so tsu ne 0x306A, 0x3089, 0x3080, 0x3046, 0x3090, // na ra mu u (w)i 0x306E, 0x304A, 0x304F, 0x3084, 0x307E, // no o ku ya ma 0x3051, 0x3075, 0x3053, 0x3048, 0x3066, // ke hu ko e te 0x3042, 0x3055, 0x304D, 0x3086, 0x3081, // a sa ki yu me 0x307F, 0x3057, 0x3091, 0x3072, 0x3082, // mi shi (w)e hi mo 0x305B, 0x3059 // se su }; #define KATAKANA_IROHA_CHARS_SIZE 47 static const PRUnichar gKatakanaIrohaChars[KATAKANA_IROHA_CHARS_SIZE] = { 0x30A4, 0x30ED, 0x30CF, 0x30CB, 0x30DB, // i ro ha ni ho 0x30D8, 0x30C8, 0x30C1, 0x30EA, 0x30CC, // he to chi ri nu 0x30EB, 0x30F2, 0x30EF, 0x30AB, 0x30E8, // ru (w)o wa ka yo 0x30BF, 0x30EC, 0x30BD, 0x30C4, 0x30CD, // ta re so tsu ne 0x30CA, 0x30E9, 0x30E0, 0x30A6, 0x30F0, // na ra mu u (w)i 0x30CE, 0x30AA, 0x30AF, 0x30E4, 0x30DE, // no o ku ya ma 0x30B1, 0x30D5, 0x30B3, 0x30A8, 0x30C6, // ke hu ko e te 0x30A2, 0x30B5, 0x30AD, 0x30E6, 0x30E1, // a sa ki yu me 0x30DF, 0x30B7, 0x30F1, 0x30D2, 0x30E2, // mi shi (w)e hi mo 0x30BB, 0x30B9 // se su }; #define LOWER_GREEK_CHARS_SIZE 24 // Note: 0x03C2 GREEK FINAL SIGMA is not used in here.... static const PRUnichar gLowerGreekChars[LOWER_GREEK_CHARS_SIZE] = { 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, // alpha beta gamma delta epsilon 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, // zeta eta theta iota kappa 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, // lamda mu nu xi omicron 0x03C0, 0x03C1, 0x03C3, 0x03C4, 0x03C5, // pi rho sigma tau upsilon 0x03C6, 0x03C7, 0x03C8, 0x03C9 // phi chi psi omega }; #define CJK_HEAVENLY_STEM_CHARS_SIZE 10 static const PRUnichar gCJKHeavenlyStemChars[CJK_HEAVENLY_STEM_CHARS_SIZE] = { 0x7532, 0x4e59, 0x4e19, 0x4e01, 0x620a, 0x5df1, 0x5e9a, 0x8f9b, 0x58ec, 0x7678 }; #define CJK_EARTHLY_BRANCH_CHARS_SIZE 12 static const PRUnichar gCJKEarthlyBranchChars[CJK_EARTHLY_BRANCH_CHARS_SIZE] = { 0x5b50, 0x4e11, 0x5bc5, 0x536f, 0x8fb0, 0x5df3, 0x5348, 0x672a, 0x7533, 0x9149, 0x620c, 0x4ea5 }; #define HANGUL_CHARS_SIZE 14 static const PRUnichar gHangulChars[HANGUL_CHARS_SIZE] = { 0xac00, 0xb098, 0xb2e4, 0xb77c, 0xb9c8, 0xbc14, 0xc0ac, 0xc544, 0xc790, 0xcc28, 0xce74, 0xd0c0, 0xd30c, 0xd558 }; #define HANGUL_CONSONANT_CHARS_SIZE 14 static const PRUnichar gHangulConsonantChars[HANGUL_CONSONANT_CHARS_SIZE] = { 0x3131, 0x3134, 0x3137, 0x3139, 0x3141, 0x3142, 0x3145, 0x3147, 0x3148, 0x314a, 0x314b, 0x314c, 0x314d, 0x314e }; // Ge'ez set of Ethiopic ordered list. There are other locale-dependent sets. // For the time being, let's implement two Ge'ez sets only // per Momoi san's suggestion in bug 102252. // For details, refer to http://www.ethiopic.org/Collation/OrderedLists.html. #define ETHIOPIC_HALEHAME_CHARS_SIZE 26 static const PRUnichar gEthiopicHalehameChars[ETHIOPIC_HALEHAME_CHARS_SIZE] = { 0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1240, 0x1260, 0x1270, 0x1280, 0x1290, 0x12a0, 0x12a8, 0x12c8, 0x12d0, 0x12d8, 0x12e8, 0x12f0, 0x1308, 0x1320, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350 }; #define ETHIOPIC_HALEHAME_AM_CHARS_SIZE 33 static const PRUnichar gEthiopicHalehameAmChars[ETHIOPIC_HALEHAME_AM_CHARS_SIZE] = { 0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1238, 0x1240, 0x1260, 0x1270, 0x1278, 0x1280, 0x1290, 0x1298, 0x12a0, 0x12a8, 0x12b8, 0x12c8, 0x12d0, 0x12d8, 0x12e0, 0x12e8, 0x12f0, 0x1300, 0x1308, 0x1320, 0x1328, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350 }; #define ETHIOPIC_HALEHAME_TI_ER_CHARS_SIZE 31 static const PRUnichar gEthiopicHalehameTiErChars[ETHIOPIC_HALEHAME_TI_ER_CHARS_SIZE] = { 0x1200, 0x1208, 0x1210, 0x1218, 0x1228, 0x1230, 0x1238, 0x1240, 0x1250, 0x1260, 0x1270, 0x1278, 0x1290, 0x1298, 0x12a0, 0x12a8, 0x12b8, 0x12c8, 0x12d0, 0x12d8, 0x12e0, 0x12e8, 0x12f0, 0x1300, 0x1308, 0x1320, 0x1328, 0x1330, 0x1338, 0x1348, 0x1350 }; #define ETHIOPIC_HALEHAME_TI_ET_CHARS_SIZE 34 static const PRUnichar gEthiopicHalehameTiEtChars[ETHIOPIC_HALEHAME_TI_ET_CHARS_SIZE] = { 0x1200, 0x1208, 0x1210, 0x1218, 0x1220, 0x1228, 0x1230, 0x1238, 0x1240, 0x1250, 0x1260, 0x1270, 0x1278, 0x1280, 0x1290, 0x1298, 0x12a0, 0x12a8, 0x12b8, 0x12c8, 0x12d0, 0x12d8, 0x12e0, 0x12e8, 0x12f0, 0x1300, 0x1308, 0x1320, 0x1328, 0x1330, 0x1338, 0x1340, 0x1348, 0x1350 }; // We know cjk-ideographic need 31 characters to display 99,999,999,999,999,999 // georgian needs 6 at most // armenian needs 12 at most // hebrew may need more... #define NUM_BUF_SIZE 34 static PRBool CharListToText(PRInt32 ordinal, nsString& result, const PRUnichar* chars, PRInt32 aBase) { PRUnichar buf[NUM_BUF_SIZE]; PRInt32 idx = NUM_BUF_SIZE; if (ordinal < 1) { DecimalToText(ordinal, result); return PR_FALSE; } do { ordinal--; // a == 0 PRInt32 cur = ordinal % aBase; buf[--idx] = chars[cur]; ordinal /= aBase ; } while ( ordinal > 0); result.Append(buf+idx,NUM_BUF_SIZE-idx); return PR_TRUE; } static const PRUnichar gCJKIdeographicDigit1[10] = { 0x96f6, 0x4e00, 0x4e8c, 0x4e09, 0x56db, // 0 - 4 0x4e94, 0x516d, 0x4e03, 0x516b, 0x4e5d // 5 - 9 }; static const PRUnichar gCJKIdeographicDigit2[10] = { 0x96f6, 0x58f9, 0x8cb3, 0x53c3, 0x8086, // 0 - 4 0x4f0d, 0x9678, 0x67d2, 0x634c, 0x7396 // 5 - 9 }; static const PRUnichar gCJKIdeographicDigit3[10] = { 0x96f6, 0x58f9, 0x8d30, 0x53c1, 0x8086, // 0 - 4 0x4f0d, 0x9646, 0x67d2, 0x634c, 0x7396 // 5 - 9 }; static const PRUnichar gCJKIdeographicUnit1[4] = { 0x000, 0x5341, 0x767e, 0x5343 }; static const PRUnichar gCJKIdeographicUnit2[4] = { 0x000, 0x62FE, 0x4F70, 0x4EDF }; static const PRUnichar gCJKIdeographic10KUnit1[4] = { 0x000, 0x842c, 0x5104, 0x5146 }; static const PRUnichar gCJKIdeographic10KUnit2[4] = { 0x000, 0x4E07, 0x4ebf, 0x5146 }; static const PRUnichar gCJKIdeographic10KUnit3[4] = { 0x000, 0x4E07, 0x5104, 0x5146 }; static const PRBool CJKIdeographicToText(PRInt32 ordinal, nsString& result, const PRUnichar* digits, const PRUnichar *unit, const PRUnichar* unit10k) { // In theory, we need the following if condiction, // However, the limit, 10 ^ 16, is greater than the max of PRUint32 // so we don't really need to test it here. // if( ordinal > 9999999999999999) // { // PR_snprintf(cbuf, sizeof(cbuf), "%ld", ordinal); // result.Append(cbuf); // } // else // { if (ordinal < 0) { DecimalToText(ordinal, result); return PR_FALSE; } PRUnichar c10kUnit = 0; PRUnichar cUnit = 0; PRUnichar cDigit = 0; PRUint32 ud = 0; PRUnichar buf[NUM_BUF_SIZE]; PRInt32 idx = NUM_BUF_SIZE; PRBool bOutputZero = ( 0 == ordinal ); do { if(0 == (ud % 4)) { c10kUnit = unit10k[ud/4]; } PRInt32 cur = ordinal % 10; cDigit = digits[cur]; if( 0 == cur) { cUnit = 0; if(bOutputZero) { bOutputZero = PR_FALSE; if(0 != cDigit) buf[--idx] = cDigit; } } else { bOutputZero = PR_TRUE; cUnit = unit[ud%4]; if(0 != c10kUnit) buf[--idx] = c10kUnit; if(0 != cUnit) buf[--idx] = cUnit; if((0 != cDigit) && ( (1 != cur) || (1 != (ud%4)) || ( ordinal > 10)) ) buf[--idx] = cDigit; c10kUnit = 0; } ordinal /= 10; ++ud; } while( ordinal > 0); result.Append(buf+idx,NUM_BUF_SIZE-idx); // } return PR_TRUE; } #define HEBREW_GERESH 0x05F3 static const PRUnichar gHebrewDigit[22] = { // 1 2 3 4 5 6 7 8 9 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7, 0x05D8, // 10 20 30 40 50 60 70 80 90 0x05D9, 0x05DB, 0x05DC, 0x05DE, 0x05E0, 0x05E1, 0x05E2, 0x05E4, 0x05E6, // 100 200 300 400 0x05E7, 0x05E8, 0x05E9, 0x05EA }; static PRBool HebrewToText(PRInt32 ordinal, nsString& result) { if (ordinal < 1 || ordinal > 999999) { DecimalToText(ordinal, result); return PR_FALSE; } PRBool outputSep = PR_FALSE; nsAutoString allText, thousandsGroup; do { thousandsGroup.Truncate(); PRInt32 n3 = ordinal % 1000; // Process digit for 100 - 900 for(PRInt32 n1 = 400; n1 > 0; ) { if( n3 >= n1) { n3 -= n1; thousandsGroup.Append(gHebrewDigit[(n1/100)-1+18]); } else { n1 -= 100; } // if } // for // Process digit for 10 - 90 PRInt32 n2; if( n3 >= 10 ) { // Special process for 15 and 16 if(( 15 == n3 ) || (16 == n3)) { // Special rule for religious reason... // 15 is represented by 9 and 6, not 10 and 5 // 16 is represented by 9 and 7, not 10 and 6 n2 = 9; thousandsGroup.Append(gHebrewDigit[ n2 - 1]); } else { n2 = n3 - (n3 % 10); thousandsGroup.Append(gHebrewDigit[(n2/10)-1+9]); } // if n3 -= n2; } // if // Process digit for 1 - 9 if ( n3 > 0) thousandsGroup.Append(gHebrewDigit[n3-1]); if (outputSep) thousandsGroup.Append((PRUnichar)HEBREW_GERESH); if (allText.IsEmpty()) allText = thousandsGroup; else allText = thousandsGroup + allText; ordinal /= 1000; outputSep = PR_TRUE; } while (ordinal >= 1); result.Append(allText); return PR_TRUE; } static PRBool ArmenianToText(PRInt32 ordinal, nsString& result) { if (ordinal < 1 || ordinal > 9999) { // zero or reach the limit of Armenian numbering system DecimalToText(ordinal, result); return PR_FALSE; } PRUnichar buf[NUM_BUF_SIZE]; PRInt32 idx = NUM_BUF_SIZE; PRInt32 d = 0; do { PRInt32 cur = ordinal % 10; if (cur > 0) { PRUnichar u = 0x0530 + (d * 9) + cur; buf[--idx] = u; } ++d; ordinal /= 10; } while (ordinal > 0); result.Append(buf + idx, NUM_BUF_SIZE - idx); return PR_TRUE; } static const PRUnichar gGeorgianValue [ 37 ] = { // 4 * 9 + 1 = 37 // 1 2 3 4 5 6 7 8 9 0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10F1, 0x10D7, // 10 20 30 40 50 60 70 80 90 0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10F2, 0x10DD, 0x10DE, 0x10DF, // 100 200 300 400 500 600 700 800 900 0x10E0, 0x10E1, 0x10E2, 0x10F3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, 0x10E8, // 1000 2000 3000 4000 5000 6000 7000 8000 9000 0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10F4, 0x10EF, 0x10F0, // 10000 0x10F5 }; static PRBool GeorgianToText(PRInt32 ordinal, nsString& result) { if (ordinal < 1 || ordinal > 19999) { // zero or reach the limit of Georgian numbering system DecimalToText(ordinal, result); return PR_FALSE; } PRUnichar buf[NUM_BUF_SIZE]; PRInt32 idx = NUM_BUF_SIZE; PRInt32 d = 0; do { PRInt32 cur = ordinal % 10; if (cur > 0) { PRUnichar u = gGeorgianValue[(d * 9 ) + ( cur - 1)]; buf[--idx] = u; } ++d; ordinal /= 10; } while (ordinal > 0); result.Append(buf + idx, NUM_BUF_SIZE - idx); return PR_TRUE; } // Convert ordinal to Ethiopic numeric representation. // The detail is available at http://www.ethiopic.org/Numerals/ // The algorithm used here is based on the pseudo-code put up there by // Daniel Yacob . // Another reference is Unicode 3.0 standard section 11.1. #define ETHIOPIC_ONE 0x1369 #define ETHIOPIC_TEN 0x1372 #define ETHIOPIC_HUNDRED 0x137B #define ETHIOPIC_TEN_THOUSAND 0x137C static PRBool EthiopicToText(PRInt32 ordinal, nsString& result) { nsAutoString asciiNumberString; // decimal string representation of ordinal DecimalToText(ordinal, asciiNumberString); if (ordinal < 1) { result.Append(asciiNumberString); return PR_FALSE; } PRUint8 asciiStringLength = asciiNumberString.Length(); // If number length is odd, add a leading "0" // the leading "0" preconditions the string to always have the // leading tens place populated, this avoids a check within the loop. // If we didn't add the leading "0", decrement asciiStringLength so // it will be equivalent to a zero-based index in both cases. if (asciiStringLength & 1) { asciiNumberString.Insert(NS_LITERAL_STRING("0"), 0); } else { asciiStringLength--; } // Iterate from the highest digits to lowest // indexFromLeft indexes digits (0 = most significant) // groupIndexFromRight indexes pairs of digits (0 = least significant) for (PRUint8 indexFromLeft = 0, groupIndexFromRight = asciiStringLength >> 1; indexFromLeft <= asciiStringLength; indexFromLeft += 2, groupIndexFromRight--) { PRUint8 tensValue = asciiNumberString.CharAt(indexFromLeft) & 0x0F; PRUint8 unitsValue = asciiNumberString.CharAt(indexFromLeft + 1) & 0x0F; PRUint8 groupValue = tensValue * 10 + unitsValue; PRBool oddGroup = (groupIndexFromRight & 1); // we want to clear ETHIOPIC_ONE when it is superfluous if (ordinal > 1 && groupValue == 1 && // one without a leading ten (oddGroup || indexFromLeft == 0)) { // preceding (100) or leading the sequence unitsValue = 0; } // put it all together... if (tensValue) { // map onto Ethiopic "tens": result.Append((PRUnichar) (tensValue + ETHIOPIC_TEN - 1)); } if (unitsValue) { //map onto Ethiopic "units": result.Append((PRUnichar) (unitsValue + ETHIOPIC_ONE - 1)); } // Add a separator for all even groups except the last, // and for odd groups with non-zero value. if (oddGroup) { if (groupValue) { result.Append((PRUnichar) ETHIOPIC_HUNDRED); } } else { if (groupIndexFromRight) { result.Append((PRUnichar) ETHIOPIC_TEN_THOUSAND); } } } return PR_TRUE; } /* static */ PRBool nsBulletFrame::AppendCounterText(PRInt32 aListStyleType, PRInt32 aOrdinal, nsString& result) { PRBool success = PR_TRUE; switch (aListStyleType) { case NS_STYLE_LIST_STYLE_NONE: // used by counters code only break; case NS_STYLE_LIST_STYLE_DISC: // used by counters code only // XXX We really need to do this the same way we do list bullets. result.Append(PRUnichar(0x2022)); break; case NS_STYLE_LIST_STYLE_CIRCLE: // used by counters code only // XXX We really need to do this the same way we do list bullets. result.Append(PRUnichar(0x25E6)); break; case NS_STYLE_LIST_STYLE_SQUARE: // used by counters code only // XXX We really need to do this the same way we do list bullets. result.Append(PRUnichar(0x25FE)); break; case NS_STYLE_LIST_STYLE_DECIMAL: case NS_STYLE_LIST_STYLE_OLD_DECIMAL: default: // CSS2 say "A users agent that does not recognize a numbering system // should use 'decimal' success = DecimalToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_DECIMAL_LEADING_ZERO: success = DecimalLeadingZeroToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_LOWER_ROMAN: case NS_STYLE_LIST_STYLE_OLD_LOWER_ROMAN: success = RomanToText(aOrdinal, result, gLowerRomanCharsA, gLowerRomanCharsB); break; case NS_STYLE_LIST_STYLE_UPPER_ROMAN: case NS_STYLE_LIST_STYLE_OLD_UPPER_ROMAN: success = RomanToText(aOrdinal, result, gUpperRomanCharsA, gUpperRomanCharsB); break; case NS_STYLE_LIST_STYLE_LOWER_ALPHA: case NS_STYLE_LIST_STYLE_OLD_LOWER_ALPHA: success = CharListToText(aOrdinal, result, gLowerAlphaChars, ALPHA_SIZE); break; case NS_STYLE_LIST_STYLE_UPPER_ALPHA: case NS_STYLE_LIST_STYLE_OLD_UPPER_ALPHA: success = CharListToText(aOrdinal, result, gUpperAlphaChars, ALPHA_SIZE); break; case NS_STYLE_LIST_STYLE_KATAKANA: success = CharListToText(aOrdinal, result, gKatakanaChars, KATAKANA_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_HIRAGANA: success = CharListToText(aOrdinal, result, gHiraganaChars, HIRAGANA_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_KATAKANA_IROHA: success = CharListToText(aOrdinal, result, gKatakanaIrohaChars, KATAKANA_IROHA_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_HIRAGANA_IROHA: success = CharListToText(aOrdinal, result, gHiraganaIrohaChars, HIRAGANA_IROHA_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_LOWER_GREEK: success = CharListToText(aOrdinal, result, gLowerGreekChars , LOWER_GREEK_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_CJK_IDEOGRAPHIC: case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_INFORMAL: success = CJKIdeographicToText(aOrdinal, result, gCJKIdeographicDigit1, gCJKIdeographicUnit1, gCJKIdeographic10KUnit1); break; case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_FORMAL: success = CJKIdeographicToText(aOrdinal, result, gCJKIdeographicDigit2, gCJKIdeographicUnit2, gCJKIdeographic10KUnit1); break; case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_INFORMAL: success = CJKIdeographicToText(aOrdinal, result, gCJKIdeographicDigit1, gCJKIdeographicUnit1, gCJKIdeographic10KUnit2); break; case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_FORMAL: success = CJKIdeographicToText(aOrdinal, result, gCJKIdeographicDigit3, gCJKIdeographicUnit2, gCJKIdeographic10KUnit2); break; case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_INFORMAL: success = CJKIdeographicToText(aOrdinal, result, gCJKIdeographicDigit1, gCJKIdeographicUnit1, gCJKIdeographic10KUnit3); break; case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_FORMAL: success = CJKIdeographicToText(aOrdinal, result, gCJKIdeographicDigit2, gCJKIdeographicUnit2, gCJKIdeographic10KUnit3); break; case NS_STYLE_LIST_STYLE_HEBREW: success = HebrewToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_ARMENIAN: success = ArmenianToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_GEORGIAN: success = GeorgianToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_MOZ_ARABIC_INDIC: success = OtherDecimalToText(aOrdinal, 0x0660, result); break; case NS_STYLE_LIST_STYLE_MOZ_PERSIAN: case NS_STYLE_LIST_STYLE_MOZ_URDU: success = OtherDecimalToText(aOrdinal, 0x06f0, result); break; case NS_STYLE_LIST_STYLE_MOZ_DEVANAGARI: success = OtherDecimalToText(aOrdinal, 0x0966, result); break; case NS_STYLE_LIST_STYLE_MOZ_GURMUKHI: success = OtherDecimalToText(aOrdinal, 0x0a66, result); break; case NS_STYLE_LIST_STYLE_MOZ_GUJARATI: success = OtherDecimalToText(aOrdinal, 0x0AE6, result); break; case NS_STYLE_LIST_STYLE_MOZ_ORIYA: success = OtherDecimalToText(aOrdinal, 0x0B66, result); break; case NS_STYLE_LIST_STYLE_MOZ_KANNADA: success = OtherDecimalToText(aOrdinal, 0x0CE6, result); break; case NS_STYLE_LIST_STYLE_MOZ_MALAYALAM: success = OtherDecimalToText(aOrdinal, 0x0D66, result); break; case NS_STYLE_LIST_STYLE_MOZ_THAI: success = OtherDecimalToText(aOrdinal, 0x0E50, result); break; case NS_STYLE_LIST_STYLE_MOZ_LAO: success = OtherDecimalToText(aOrdinal, 0x0ED0, result); break; case NS_STYLE_LIST_STYLE_MOZ_MYANMAR: success = OtherDecimalToText(aOrdinal, 0x1040, result); break; case NS_STYLE_LIST_STYLE_MOZ_KHMER: success = OtherDecimalToText(aOrdinal, 0x17E0, result); break; case NS_STYLE_LIST_STYLE_MOZ_BENGALI: success = OtherDecimalToText(aOrdinal, 0x09E6, result); break; case NS_STYLE_LIST_STYLE_MOZ_TELUGU: success = OtherDecimalToText(aOrdinal, 0x0C66, result); break; case NS_STYLE_LIST_STYLE_MOZ_TAMIL: success = TamilToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_MOZ_CJK_HEAVENLY_STEM: success = CharListToText(aOrdinal, result, gCJKHeavenlyStemChars, CJK_HEAVENLY_STEM_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_CJK_EARTHLY_BRANCH: success = CharListToText(aOrdinal, result, gCJKEarthlyBranchChars, CJK_EARTHLY_BRANCH_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_HANGUL: success = CharListToText(aOrdinal, result, gHangulChars, HANGUL_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_HANGUL_CONSONANT: success = CharListToText(aOrdinal, result, gHangulConsonantChars, HANGUL_CONSONANT_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME: success = CharListToText(aOrdinal, result, gEthiopicHalehameChars, ETHIOPIC_HALEHAME_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_NUMERIC: success = EthiopicToText(aOrdinal, result); break; case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_AM: success = CharListToText(aOrdinal, result, gEthiopicHalehameAmChars, ETHIOPIC_HALEHAME_AM_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ER: success = CharListToText(aOrdinal, result, gEthiopicHalehameTiErChars, ETHIOPIC_HALEHAME_TI_ER_CHARS_SIZE); break; case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ET: success = CharListToText(aOrdinal, result, gEthiopicHalehameTiEtChars, ETHIOPIC_HALEHAME_TI_ET_CHARS_SIZE); break; } return success; } PRBool nsBulletFrame::GetListItemText(const nsStyleList& aListStyle, nsString& result) { const nsStyleVisibility* vis = GetStyleVisibility(); NS_ASSERTION(aListStyle.mListStyleType != NS_STYLE_LIST_STYLE_NONE && aListStyle.mListStyleType != NS_STYLE_LIST_STYLE_DISC && aListStyle.mListStyleType != NS_STYLE_LIST_STYLE_CIRCLE && aListStyle.mListStyleType != NS_STYLE_LIST_STYLE_SQUARE, "we should be using specialized code for these types"); PRBool success = AppendCounterText(aListStyle.mListStyleType, mOrdinal, result); if (success && aListStyle.mListStyleType == NS_STYLE_LIST_STYLE_HEBREW) mTextIsRTL = PR_TRUE; // XXX For some of these systems, "." is wrong! This should really be // pushed down into the individual cases! nsString suffix = NS_LITERAL_STRING("."); // We're not going to do proper Bidi reordering on the list item marker, but // just display the whole thing as RTL or LTR, so we fake reordering by // appending the suffix to the end of the list item marker if the // directionality of the characters is the same as the style direction or // prepending it to the beginning if they are different. result = (mTextIsRTL == (vis->mDirection == NS_STYLE_DIRECTION_RTL)) ? result + suffix : suffix + result; return success; } #define MIN_BULLET_SIZE 1 void nsBulletFrame::GetDesiredSize(nsPresContext* aCX, nsIRenderingContext *aRenderingContext, nsHTMLReflowMetrics& aMetrics) { // Reset our padding. If we need it, we'll set it below. mPadding.SizeTo(0, 0, 0, 0); const nsStyleList* myList = GetStyleList(); nscoord ascent; if (myList->GetListStyleImage() && mImageRequest) { PRUint32 status; mImageRequest->GetImageStatus(&status); if (status & imgIRequest::STATUS_SIZE_AVAILABLE && !(status & imgIRequest::STATUS_ERROR)) { // auto size the image mComputedSize.width = mIntrinsicSize.width; mComputedSize.height = mIntrinsicSize.height; aMetrics.width = mComputedSize.width; aMetrics.ascent = aMetrics.height = mComputedSize.height; return; } } // If we're getting our desired size and don't have an image, reset // mIntrinsicSize to (0,0). Otherwise, if we used to have an image, it // changed, and the new one is coming in, but we're reflowing before it's // fully there, we'll end up with mIntrinsicSize not matching our size, but // won't trigger a reflow in OnStartContainer (because mIntrinsicSize will // match the image size). mIntrinsicSize.SizeTo(0, 0); nsCOMPtr fm; nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fm)); nscoord bulletSize; nsAutoString text; switch (myList->mListStyleType) { case NS_STYLE_LIST_STYLE_NONE: aMetrics.width = 0; aMetrics.ascent = aMetrics.height = 0; break; case NS_STYLE_LIST_STYLE_DISC: case NS_STYLE_LIST_STYLE_CIRCLE: case NS_STYLE_LIST_STYLE_SQUARE: fm->GetMaxAscent(ascent); bulletSize = NS_MAX(nsPresContext::CSSPixelsToAppUnits(MIN_BULLET_SIZE), NSToCoordRound(0.8f * (float(ascent) / 2.0f))); mPadding.bottom = NSToCoordRound(float(ascent) / 8.0f); aMetrics.width = mPadding.right + bulletSize; aMetrics.ascent = aMetrics.height = mPadding.bottom + bulletSize; break; default: case NS_STYLE_LIST_STYLE_DECIMAL_LEADING_ZERO: case NS_STYLE_LIST_STYLE_DECIMAL: case NS_STYLE_LIST_STYLE_OLD_DECIMAL: case NS_STYLE_LIST_STYLE_LOWER_ROMAN: case NS_STYLE_LIST_STYLE_UPPER_ROMAN: case NS_STYLE_LIST_STYLE_LOWER_ALPHA: case NS_STYLE_LIST_STYLE_UPPER_ALPHA: case NS_STYLE_LIST_STYLE_OLD_LOWER_ROMAN: case NS_STYLE_LIST_STYLE_OLD_UPPER_ROMAN: case NS_STYLE_LIST_STYLE_OLD_LOWER_ALPHA: case NS_STYLE_LIST_STYLE_OLD_UPPER_ALPHA: case NS_STYLE_LIST_STYLE_KATAKANA: case NS_STYLE_LIST_STYLE_HIRAGANA: case NS_STYLE_LIST_STYLE_KATAKANA_IROHA: case NS_STYLE_LIST_STYLE_HIRAGANA_IROHA: case NS_STYLE_LIST_STYLE_LOWER_GREEK: case NS_STYLE_LIST_STYLE_HEBREW: case NS_STYLE_LIST_STYLE_ARMENIAN: case NS_STYLE_LIST_STYLE_GEORGIAN: case NS_STYLE_LIST_STYLE_CJK_IDEOGRAPHIC: case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_INFORMAL: case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_FORMAL: case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_INFORMAL: case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_FORMAL: case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_INFORMAL: case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_FORMAL: case NS_STYLE_LIST_STYLE_MOZ_CJK_HEAVENLY_STEM: case NS_STYLE_LIST_STYLE_MOZ_CJK_EARTHLY_BRANCH: case NS_STYLE_LIST_STYLE_MOZ_ARABIC_INDIC: case NS_STYLE_LIST_STYLE_MOZ_PERSIAN: case NS_STYLE_LIST_STYLE_MOZ_URDU: case NS_STYLE_LIST_STYLE_MOZ_DEVANAGARI: case NS_STYLE_LIST_STYLE_MOZ_GURMUKHI: case NS_STYLE_LIST_STYLE_MOZ_GUJARATI: case NS_STYLE_LIST_STYLE_MOZ_ORIYA: case NS_STYLE_LIST_STYLE_MOZ_KANNADA: case NS_STYLE_LIST_STYLE_MOZ_MALAYALAM: case NS_STYLE_LIST_STYLE_MOZ_BENGALI: case NS_STYLE_LIST_STYLE_MOZ_TAMIL: case NS_STYLE_LIST_STYLE_MOZ_TELUGU: case NS_STYLE_LIST_STYLE_MOZ_THAI: case NS_STYLE_LIST_STYLE_MOZ_LAO: case NS_STYLE_LIST_STYLE_MOZ_MYANMAR: case NS_STYLE_LIST_STYLE_MOZ_KHMER: case NS_STYLE_LIST_STYLE_MOZ_HANGUL: case NS_STYLE_LIST_STYLE_MOZ_HANGUL_CONSONANT: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_NUMERIC: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_AM: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ER: case NS_STYLE_LIST_STYLE_MOZ_ETHIOPIC_HALEHAME_TI_ET: GetListItemText(*myList, text); fm->GetHeight(aMetrics.height); aRenderingContext->SetFont(fm); aMetrics.width = nsLayoutUtils::GetStringWidth(this, aRenderingContext, text.get(), text.Length()); aMetrics.width += mPadding.right; fm->GetMaxAscent(aMetrics.ascent); break; } } NS_IMETHODIMP nsBulletFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aMetrics, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsBulletFrame"); DISPLAY_REFLOW(aPresContext, this, aReflowState, aMetrics, aStatus); // Get the base size GetDesiredSize(aPresContext, aReflowState.rendContext, aMetrics); // Add in the border and padding; split the top/bottom between the // ascent and descent to make things look nice const nsMargin& borderPadding = aReflowState.mComputedBorderPadding; aMetrics.width += borderPadding.left + borderPadding.right; aMetrics.height += borderPadding.top + borderPadding.bottom; aMetrics.ascent += borderPadding.top; // XXX this is a bit of a hack, we're assuming that no glyphs used for bullets // overflow their font-boxes. It'll do for now; to fix it for real, we really // should rewrite all the text-handling code here to use gfxTextRun (bug // 397294). aMetrics.SetOverflowAreasToDesiredBounds(); aStatus = NS_FRAME_COMPLETE; NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aMetrics); return NS_OK; } /* virtual */ nscoord nsBulletFrame::GetMinWidth(nsIRenderingContext *aRenderingContext) { nsHTMLReflowMetrics metrics; DISPLAY_MIN_WIDTH(this, metrics.width); GetDesiredSize(PresContext(), aRenderingContext, metrics); return metrics.width; } /* virtual */ nscoord nsBulletFrame::GetPrefWidth(nsIRenderingContext *aRenderingContext) { nsHTMLReflowMetrics metrics; DISPLAY_PREF_WIDTH(this, metrics.width); GetDesiredSize(PresContext(), aRenderingContext, metrics); return metrics.width; } NS_IMETHODIMP nsBulletFrame::OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage) { if (!aImage) return NS_ERROR_INVALID_ARG; if (!aRequest) return NS_ERROR_INVALID_ARG; PRUint32 status; aRequest->GetImageStatus(&status); if (status & imgIRequest::STATUS_ERROR) { return NS_OK; } nscoord w, h; aImage->GetWidth(&w); aImage->GetHeight(&h); nsPresContext* presContext = PresContext(); nsSize newsize(nsPresContext::CSSPixelsToAppUnits(w), nsPresContext::CSSPixelsToAppUnits(h)); if (mIntrinsicSize != newsize) { mIntrinsicSize = newsize; // Now that the size is available (or an error occurred), trigger // a reflow of the bullet frame. nsIPresShell *shell = presContext->GetPresShell(); if (shell) { shell->FrameNeedsReflow(this, nsIPresShell::eStyleChange, NS_FRAME_IS_DIRTY); } } // Handle animations aImage->SetAnimationMode(presContext->ImageAnimationMode()); // Ensure the animation (if any) is started. Note: There is no // corresponding call to Decrement for this. This Increment will be // 'cleaned up' by the Request when it is destroyed, but only then. aRequest->IncrementAnimationConsumers(); return NS_OK; } NS_IMETHODIMP nsBulletFrame::OnDataAvailable(imgIRequest *aRequest, PRBool aCurrentFrame, const nsIntRect *aRect) { // The image has changed. // Invalidate the entire content area. Maybe it's not optimal but it's simple and // always correct, and I'll be a stunned mullet if it ever matters for performance Invalidate(nsRect(0, 0, mRect.width, mRect.height)); return NS_OK; } NS_IMETHODIMP nsBulletFrame::OnStopDecode(imgIRequest *aRequest, nsresult aStatus, const PRUnichar *aStatusArg) { // XXX should the bulletframe do anything if the image failed to load? // it didn't in the old code... #if 0 if (NS_FAILED(aStatus)) { // We failed to load the image. Notify the pres shell if (NS_FAILED(aStatus) && (mImageRequest == aRequest || !mImageRequest)) { imageFailed = PR_TRUE; } } #endif return NS_OK; } NS_IMETHODIMP nsBulletFrame::FrameChanged(imgIContainer *aContainer, const nsIntRect *aDirtyRect) { // Invalidate the entire content area. Maybe it's not optimal but it's simple and // always correct. Invalidate(nsRect(0, 0, mRect.width, mRect.height)); return NS_OK; } void nsBulletFrame::GetLoadGroup(nsPresContext *aPresContext, nsILoadGroup **aLoadGroup) { if (!aPresContext) return; NS_PRECONDITION(nsnull != aLoadGroup, "null OUT parameter pointer"); nsIPresShell *shell = aPresContext->GetPresShell(); if (!shell) return; nsIDocument *doc = shell->GetDocument(); if (!doc) return; *aLoadGroup = doc->GetDocumentLoadGroup().get(); // already_AddRefed } NS_IMPL_ISUPPORTS2(nsBulletListener, imgIDecoderObserver, imgIContainerObserver) nsBulletListener::nsBulletListener() : mFrame(nsnull) { } nsBulletListener::~nsBulletListener() { } NS_IMETHODIMP nsBulletListener::OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage) { if (!mFrame) return NS_ERROR_FAILURE; return mFrame->OnStartContainer(aRequest, aImage); } NS_IMETHODIMP nsBulletListener::OnDataAvailable(imgIRequest *aRequest, PRBool aCurrentFrame, const nsIntRect *aRect) { if (!mFrame) return NS_ERROR_FAILURE; return mFrame->OnDataAvailable(aRequest, aCurrentFrame, aRect); } NS_IMETHODIMP nsBulletListener::OnStopDecode(imgIRequest *aRequest, nsresult status, const PRUnichar *statusArg) { if (!mFrame) return NS_ERROR_FAILURE; return mFrame->OnStopDecode(aRequest, status, statusArg); } NS_IMETHODIMP nsBulletListener::FrameChanged(imgIContainer *aContainer, const nsIntRect *aDirtyRect) { if (!mFrame) return NS_ERROR_FAILURE; return mFrame->FrameChanged(aContainer, aDirtyRect); }