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pjs/layout/generic/nsBulletFrame.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCOMPtr.h"
#include "nsBulletFrame.h"
#include "nsHTMLAtoms.h"
#include "nsHTMLIIDs.h"
#include "nsHTMLParts.h"
#include "nsHTMLValue.h"
#include "nsHTMLContainerFrame.h"
#include "nsIFontMetrics.h"
#include "nsIHTMLContent.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsIDocument.h"
#include "nsIReflowCommand.h"
#include "nsIRenderingContext.h"
#include "nsILoadGroup.h"
#include "nsIURL.h"
#include "nsNetUtil.h"
#include "nsLayoutAtoms.h"
#include "prprf.h"
#ifdef IBMBIDI
#include "nsBidiPresUtils.h"
#endif // IBMBIDI
#include "imgILoader.h"
#include "imgIContainer.h"
#include "imgIDecoderObserver.h"
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
class nsBulletListener : public imgIDecoderObserver
{
public:
nsBulletListener();
virtual ~nsBulletListener();
NS_DECL_ISUPPORTS
NS_DECL_IMGIDECODEROBSERVER
NS_DECL_IMGICONTAINEROBSERVER
void SetFrame(nsBulletFrame *frame) { mFrame = frame; }
private:
nsBulletFrame *mFrame;
};
nsBulletFrame::nsBulletFrame()
{
}
nsBulletFrame::~nsBulletFrame()
{
}
NS_IMETHODIMP
nsBulletFrame::Destroy(nsIPresContext* aPresContext)
{
// Stop image loading first
if (mImageRequest) {
mImageRequest->Cancel(NS_ERROR_FAILURE);
mImageRequest = nsnull;
}
if (mListener)
NS_REINTERPRET_CAST(nsBulletListener*, mListener.get())->SetFrame(nsnull);
// Let base class do the rest
return nsFrame::Destroy(aPresContext);
}
NS_IMETHODIMP
nsBulletFrame::Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow)
{
nsresult rv = nsFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
const nsStyleList* myList = (const nsStyleList*)mStyleContext->GetStyleData(eStyleStruct_List);
if (!myList->mListStyleImage.IsEmpty()) {
nsCOMPtr<imgILoader> il(do_GetService("@mozilla.org/image/loader;1", &rv));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsILoadGroup> loadGroup;
GetLoadGroup(aPresContext, getter_AddRefs(loadGroup));
nsCOMPtr<nsIURI> baseURI;
GetBaseURI(getter_AddRefs(baseURI));
nsCOMPtr<nsIURI> imgURI;
NS_NewURI(getter_AddRefs(imgURI), myList->mListStyleImage, baseURI);
if (!mListener) {
nsBulletListener *listener;
NS_NEWXPCOM(listener, 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);
}
il->LoadImage(imgURI, loadGroup, mListener, aPresContext, nsIRequest::LOAD_NORMAL, nsnull, nsnull, getter_AddRefs(mImageRequest));
}
return NS_OK;
}
#ifdef NS_DEBUG
NS_IMETHODIMP
nsBulletFrame::GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("Bullet"), aResult);
}
#endif
NS_IMETHODIMP
nsBulletFrame::GetFrameType(nsIAtom** aType) const
{
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
*aType = nsLayoutAtoms::bulletFrame;
NS_ADDREF(*aType);
return NS_OK;
}
#include "nsIDOMNode.h"
NS_IMETHODIMP
nsBulletFrame::Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags)
{
if (NS_FRAME_PAINT_LAYER_FOREGROUND != aWhichLayer) {
return NS_OK;
}
PRBool isVisible;
if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && isVisible) {
const nsStyleList* myList = (const nsStyleList*)mStyleContext->GetStyleData(eStyleStruct_List);
PRUint8 listStyleType = myList->mListStyleType;
if (myList->mListStyleImage.Length() > 0 && mImageRequest) {
PRUint32 status;
mImageRequest->GetImageStatus(&status);
if (status & imgIRequest::STATUS_LOAD_COMPLETE) {
nsCOMPtr<imgIContainer> imageCon;
mImageRequest->GetImage(getter_AddRefs(imageCon));
if (imageCon) {
nsRect innerArea(mPadding.left, mPadding.top,
mRect.width - (mPadding.left + mPadding.right),
mRect.height - (mPadding.top + mPadding.bottom));
nsPoint p(innerArea.x, innerArea.y);
innerArea.x = innerArea.y = 0;
aRenderingContext.DrawImage(imageCon, &innerArea, &p);
return NS_OK;
}
}
}
const nsStyleFont* myFont = (const nsStyleFont*)mStyleContext->GetStyleData(eStyleStruct_Font);
const nsStyleColor* myColor = (const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
nsCOMPtr<nsIFontMetrics> fm;
aRenderingContext.SetColor(myColor->mColor);
#ifdef IBMBIDI
nsCharType charType = eCharType_LeftToRight;
PRUint8 level = 0;
PRBool isBidiSystem = PR_FALSE;
const nsStyleVisibility* vis = (const nsStyleVisibility*)mStyleContext->GetStyleData(eStyleStruct_Visibility);
PRUint32 hints = 0;
#endif // IBMBIDI
nsAutoString text;
switch (listStyleType) {
case NS_STYLE_LIST_STYLE_NONE:
break;
default:
case NS_STYLE_LIST_STYLE_BASIC:
case NS_STYLE_LIST_STYLE_DISC:
aRenderingContext.FillEllipse(mPadding.left, mPadding.top,
mRect.width - (mPadding.left + mPadding.right),
mRect.height - (mPadding.top + mPadding.bottom));
break;
case NS_STYLE_LIST_STYLE_CIRCLE:
aRenderingContext.DrawEllipse(mPadding.left, mPadding.top,
mRect.width - (mPadding.left + mPadding.right),
mRect.height - (mPadding.top + mPadding.bottom));
break;
case NS_STYLE_LIST_STYLE_SQUARE:
aRenderingContext.FillRect(mPadding.left, mPadding.top,
mRect.width - (mPadding.left + mPadding.right),
mRect.height - (mPadding.top + mPadding.bottom));
break;
case NS_STYLE_LIST_STYLE_DECIMAL:
case NS_STYLE_LIST_STYLE_OLD_DECIMAL:
case NS_STYLE_LIST_STYLE_DECIMAL_LEADING_ZERO:
#ifdef IBMBIDI
GetListItemText(aPresContext, *myList, text);
charType = eCharType_EuropeanNumber;
break;
case NS_STYLE_LIST_STYLE_MOZ_ARABIC_INDIC:
GetListItemText(aPresContext, *myList, text);
charType = eCharType_ArabicNumber;
break;
case NS_STYLE_LIST_STYLE_HEBREW:
aRenderingContext.GetHints(hints);
isBidiSystem = (hints & NS_RENDERING_HINT_BIDI_REORDERING);
if (!isBidiSystem) {
charType = eCharType_RightToLeft;
level = 1;
GetListItemText(aPresContext, *myList, text);
if (NS_STYLE_DIRECTION_RTL == vis->mDirection) {
nsStr::Delete(text, 0, 1);
text.AppendWithConversion(".");
}
break;
}
// else fall through
#endif // IBMBIDI
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:
#ifndef IBMBIDI
case NS_STYLE_LIST_STYLE_HEBREW:
#endif
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:
#ifndef IBMBIDI
case NS_STYLE_LIST_STYLE_MOZ_ARABIC_INDIC:
#endif
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:
aPresContext->GetMetricsFor(myFont->mFont, getter_AddRefs(fm));
GetListItemText(aPresContext, *myList, text);
aRenderingContext.SetFont(fm);
nscoord ascent;
fm->GetMaxAscent(ascent);
aRenderingContext.DrawString(text, mPadding.left, mPadding.top + ascent);
break;
}
#ifdef IBMBIDI
if (charType != eCharType_LeftToRight) {
aPresContext->GetMetricsFor(myFont->mFont, getter_AddRefs(fm));
aRenderingContext.SetFont(fm);
nscoord ascent;
fm->GetMaxAscent(ascent);
nsBidiPresUtils* bidiUtils;
aPresContext->GetBidiUtils(&bidiUtils);
if (bidiUtils) {
const PRUnichar* buffer = text.get();
PRInt32 textLength = text.Length();
if (eCharType_RightToLeft == charType) {
bidiUtils->FormatUnicodeText(aPresContext, (PRUnichar*)buffer, textLength,
charType, level, PR_FALSE);
}
else {
//Mohamed
aRenderingContext.GetHints(hints);
isBidiSystem = (hints & NS_RENDERING_HINT_ARABIC_SHAPING);
bidiUtils->FormatUnicodeText(aPresContext, (PRUnichar*)buffer, textLength,
charType, level, isBidiSystem);//Mohamed
}
}
aRenderingContext.DrawString(text, mPadding.left, mPadding.top + ascent);
}
#endif // IBMBIDI
}
DO_GLOBAL_REFLOW_COUNT_DSP("nsBulletFrame", &aRenderingContext);
return NS_OK;
}
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.
nsHTMLValue value;
nsCOMPtr<nsIContent> parentContent;
mParent->GetContent(getter_AddRefs(parentContent));
if (parentContent) {
nsCOMPtr<nsIHTMLContent> hc = do_QueryInterface(parentContent);
if (hc) {
if (NS_CONTENT_ATTR_HAS_VALUE ==
hc->GetHTMLAttribute(nsHTMLAtoms::value, value)) {
if (eHTMLUnit_Integer == value.GetUnit()) {
// Use ordinal specified by the value attribute
mOrdinal = value.GetIntValue();
if (mOrdinal <= 0) {
mOrdinal = 1;
}
}
}
}
}
*aChanged = oldOrdinal != mOrdinal;
return mOrdinal + 1;
}
// XXX change roman/alpha to use unsigned math so that maxint and
// maxnegint will work
static void DecimalToText(PRInt32 ordinal, nsString& result)
{
char cbuf[40];
PR_snprintf(cbuf, sizeof(cbuf), "%ld", ordinal);
result.AppendWithConversion(cbuf);
}
static void DecimalLeadingZeroToText(PRInt32 ordinal, nsString& result)
{
char cbuf[40];
PR_snprintf(cbuf, sizeof(cbuf), "%02ld", ordinal);
result.AppendWithConversion(cbuf);
}
static void OtherDecimalToText(PRInt32 ordinal, PRUnichar zeroChar, nsString& result)
{
PRUnichar diff = zeroChar - PRUnichar('0');
DecimalToText(ordinal, result);
PRUnichar* p = (PRUnichar*)result.get();
for(; nsnull != *p ; p++)
*p += diff;
}
static void TamilToText(PRInt32 ordinal, nsString& result)
{
PRUnichar diff = 0x0BE6 - PRUnichar('0');
DecimalToText(ordinal, result);
PRUnichar* p = (PRUnichar*)result.get();
for(; nsnull != *p ; p++)
if(*p != PRUnichar('0'))
*p += diff;
}
static const char* gLowerRomanCharsA = "ixcm";
static const char* gUpperRomanCharsA = "IXCM";
static const char* gLowerRomanCharsB = "vld?";
static const char* gUpperRomanCharsB = "VLD?";
static void RomanToText(PRInt32 ordinal, nsString& result, const char* achars, const char* bchars)
{
if (ordinal <= 0) {
ordinal = 1;
}
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.AppendWithConversion(achars[romanPos]);
case '2': addOn.AppendWithConversion(achars[romanPos]);
case '1': addOn.AppendWithConversion(achars[romanPos]);
break;
case '4':
addOn.AppendWithConversion(achars[romanPos]);
// FALLTHROUGH
case '5': case '6':
case '7': case '8':
addOn.AppendWithConversion(bchars[romanPos]);
for(n=0;n<(*dp-'5');n++) {
addOn.AppendWithConversion(achars[romanPos]);
}
break;
case '9':
addOn.AppendWithConversion(achars[romanPos]);
addOn.AppendWithConversion(achars[romanPos+1]);
break;
default:
break;
}
result.Append(addOn);
}
}
#define ALPHA_SIZE 26
static 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 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 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 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 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 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 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 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 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 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 PRUnichar gHangulConsonantChars[HANGUL_CONSONANT_CHARS_SIZE] =
{
0x3131, 0x3134, 0x3137, 0x3139, 0x3141, 0x3142,
0x3145, 0x3147, 0x3148, 0x314a, 0x314b, 0x314c,
0x314d, 0x314e
};
// We know cjk-ideographic need 31 characters to display 99,999,999,999,999,999
// georgian and armenian need 6 at most
// hebrew may need more...
#define NUM_BUF_SIZE 34
static void CharListToText(PRInt32 ordinal, nsString& result, const PRUnichar* chars, PRInt32 aBase)
{
PRUnichar buf[NUM_BUF_SIZE];
PRInt32 idx = NUM_BUF_SIZE;
if (ordinal <= 0) {
ordinal = 1;
}
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);
}
static PRUnichar gCJKIdeographicDigit1[10] =
{
0x96f6, 0x4e00, 0x4e8c, 0x4e09, 0x56db, // 0 - 4
0x4e94, 0x516d, 0x4e03, 0x516b, 0x4e5d // 5 - 9
};
static PRUnichar gCJKIdeographicDigit2[10] =
{
0x96f6, 0x58f9, 0x8cb3, 0x53c3, 0x8086, // 0 - 4
0x4f0d, 0x9678, 0x67d2, 0x634c, 0x7396 // 5 - 9
};
static PRUnichar gCJKIdeographicDigit3[10] =
{
0x96f6, 0x58f9, 0x8d30, 0x53c1, 0x8086, // 0 - 4
0x4f0d, 0x9646, 0x67d2, 0x634c, 0x7396 // 5 - 9
};
static PRUnichar gCJKIdeographicUnit1[4] =
{
0x000, 0x5341, 0x767e, 0x5343
};
static PRUnichar gCJKIdeographicUnit2[4] =
{
0x000, 0x62FE, 0x4F70, 0x4EDF
};
static PRUnichar gCJKIdeographic10KUnit1[4] =
{
0x000, 0x842c, 0x5104, 0x5146
};
static PRUnichar gCJKIdeographic10KUnit2[4] =
{
0x000, 0x4E07, 0x4ebf, 0x5146
};
static PRUnichar gCJKIdeographic10KUnit3[4] =
{
0x000, 0x4E07, 0x5104, 0x5146
};
static void 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
// {
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);
// }
}
#define HEBREW_THROSAND_SEP 0x0020
#define HEBREW_GERESH 0x05F3
#define HEBREW_GERSHAYIM 0x05F4
static 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 void HebrewToText(PRInt32 ordinal, nsString& result)
{
PRBool outputSep = PR_FALSE;
PRUnichar buf[NUM_BUF_SIZE];
#ifdef IBMBIDI
// Changes: 1) don't reverse the text; 2) don't insert geresh/gershayim.
PRInt32 idx = 0;
#else
PRInt32 idx = NUM_BUF_SIZE;
#endif // IBMBIDI
PRUnichar digit;
do {
PRInt32 n3 = ordinal % 1000;
if(outputSep)
#ifdef IBMBIDI
buf[idx++] = HEBREW_THROSAND_SEP; // output thousand seperator
#else
buf[--idx] = HEBREW_THROSAND_SEP; // output thousand seperator
#endif // IBMBIDI
outputSep = ( n3 > 0); // request to output thousand seperator next time.
PRInt32 d = 0; // we need to keep track of digit got output per 3 digits,
// so we can handle Gershayim and Gersh correctly
// Process digit for 100 - 900
for(PRInt32 n1 = 400; n1 > 0; )
{
if( n3 >= n1)
{
n3 -= n1;
digit = gHebrewDigit[(n1/100)-1+18];
if( n3 > 0)
{
#ifdef IBMBIDI
buf[idx++] = digit;
#else
buf[--idx] = digit;
#endif // IBMBIDI
d++;
} else {
// if this is the last digit
#ifdef IBMBIDI
buf[idx++] = digit;
#else
if (d > 0)
{
buf[--idx] = HEBREW_GERSHAYIM;
buf[--idx] = digit;
} else {
buf[--idx] = digit;
buf[--idx] = HEBREW_GERESH;
} // if
#endif // IBMBIDI
} // if
} 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;
digit = gHebrewDigit[ n2 - 1];
} else {
n2 = n3 - (n3 % 10);
digit = gHebrewDigit[(n2/10)-1+9];
} // if
n3 -= n2;
if( n3 > 0) {
#ifdef IBMBIDI
buf[idx++] = digit;
#else
buf[--idx] = digit;
#endif // IBMBIDI
d++;
} else {
// if this is the last digit
#ifdef IBMBIDI
buf[idx++] = digit;
#else
if (d > 0)
{
buf[--idx] = HEBREW_GERSHAYIM;
buf[--idx] = digit;
} else {
buf[--idx] = digit;
buf[--idx] = HEBREW_GERESH;
} // if
#endif // IBMBIDI
} // if
} // if
// Process digit for 1 - 9
if ( n3 > 0)
{
digit = gHebrewDigit[n3-1];
// must be the last digit
#ifdef IBMBIDI
buf[idx++] = digit;
#else
if (d > 0)
{
buf[--idx] = HEBREW_GERSHAYIM;
buf[--idx] = digit;
} else {
buf[--idx] = digit;
buf[--idx] = HEBREW_GERESH;
} // if
#endif // IBMBIDI
} // if
ordinal /= 1000;
} while (ordinal >= 1);
#ifdef IBMBIDI
result.Append(buf, idx);
#else
result.Append(buf+idx,NUM_BUF_SIZE-idx);
#endif // IBMBIDI
}
static void ArmenianToText(PRInt32 ordinal, nsString& result)
{
if((0 == ordinal) || (ordinal > 9999)) { // zero or reach the limit of Armenain numbering system
DecimalToText(ordinal, result);
return;
} else {
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);
}
}
static PRUnichar gGeorgianValue [ 37 ] = { // 4 * 9 + 1 = 37
// 1 2 3 4 5 6 7 8 9
0x10A0, 0x10A1, 0x10A2, 0x10A3, 0x10A4, 0x10A5, 0x10A6, 0x10C1, 0x10A7,
// 10 20 30 40 50 60 70 80 90
0x10A8, 0x10A9, 0x10AA, 0x10AB, 0x10AC, 0x10C2, 0x10AD, 0x10AE, 0x10AF,
// 100 200 300 400 500 600 700 800 900
0x10B0, 0x10B1, 0x10B2, 0x10B3, 0x10C3, 0x10B4, 0x10B5, 0x10B6, 0x10B7,
// 1000 2000 3000 4000 5000 6000 7000 8000 9000
0x10B8, 0x10B9, 0x10BA, 0x10BB, 0x10BC, 0x10BD, 0x10BE, 0x10C4, 0x10C5,
// 10000
0x10BF
};
static void GeorgianToText(PRInt32 ordinal, nsString& result)
{
if((0 == ordinal) || (ordinal > 19999)) { // zero or reach the limit of Georgian numbering system
DecimalToText(ordinal, result);
return;
} else {
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);
}
}
void
nsBulletFrame::GetListItemText(nsIPresContext* aCX,
const nsStyleList& aListStyle,
nsString& result)
{
#ifdef IBMBIDI
const nsStyleVisibility* vis;
GetStyleData(eStyleStruct_Visibility, (const nsStyleStruct*&)vis);
if (NS_STYLE_DIRECTION_RTL == vis->mDirection) {
result.AppendWithConversion(".");
}
#endif // IBMBIDI
switch (aListStyle.mListStyleType) {
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'
DecimalToText(mOrdinal, result);
break;
case NS_STYLE_LIST_STYLE_DECIMAL_LEADING_ZERO:
DecimalLeadingZeroToText(mOrdinal, result);
break;
case NS_STYLE_LIST_STYLE_LOWER_ROMAN:
case NS_STYLE_LIST_STYLE_OLD_LOWER_ROMAN:
RomanToText(mOrdinal, result, gLowerRomanCharsA, gLowerRomanCharsB);
break;
case NS_STYLE_LIST_STYLE_UPPER_ROMAN:
case NS_STYLE_LIST_STYLE_OLD_UPPER_ROMAN:
RomanToText(mOrdinal, result, gUpperRomanCharsA, gUpperRomanCharsB);
break;
case NS_STYLE_LIST_STYLE_LOWER_ALPHA:
case NS_STYLE_LIST_STYLE_OLD_LOWER_ALPHA:
CharListToText(mOrdinal, result, gLowerAlphaChars, ALPHA_SIZE);
break;
case NS_STYLE_LIST_STYLE_UPPER_ALPHA:
case NS_STYLE_LIST_STYLE_OLD_UPPER_ALPHA:
CharListToText(mOrdinal, result, gUpperAlphaChars, ALPHA_SIZE);
break;
case NS_STYLE_LIST_STYLE_KATAKANA:
CharListToText(mOrdinal, result, gKatakanaChars, KATAKANA_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_HIRAGANA:
CharListToText(mOrdinal, result, gHiraganaChars, HIRAGANA_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_KATAKANA_IROHA:
CharListToText(mOrdinal, result, gKatakanaIrohaChars, KATAKANA_IROHA_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_HIRAGANA_IROHA:
CharListToText(mOrdinal, result, gHiraganaIrohaChars, HIRAGANA_IROHA_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_LOWER_GREEK:
CharListToText(mOrdinal, result, gLowerGreekChars , LOWER_GREEK_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_CJK_IDEOGRAPHIC:
case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_INFORMAL:
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit1, gCJKIdeographicUnit1, gCJKIdeographic10KUnit1);
break;
case NS_STYLE_LIST_STYLE_MOZ_TRAD_CHINESE_FORMAL:
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit2, gCJKIdeographicUnit2, gCJKIdeographic10KUnit1);
break;
case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_INFORMAL:
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit1, gCJKIdeographicUnit1, gCJKIdeographic10KUnit2);
break;
case NS_STYLE_LIST_STYLE_MOZ_SIMP_CHINESE_FORMAL:
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit3, gCJKIdeographicUnit2, gCJKIdeographic10KUnit2);
break;
case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_INFORMAL:
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit1, gCJKIdeographicUnit1, gCJKIdeographic10KUnit3);
break;
case NS_STYLE_LIST_STYLE_MOZ_JAPANESE_FORMAL:
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit2, gCJKIdeographicUnit2, gCJKIdeographic10KUnit3);
break;
case NS_STYLE_LIST_STYLE_HEBREW:
HebrewToText(mOrdinal, result);
break;
case NS_STYLE_LIST_STYLE_ARMENIAN:
ArmenianToText(mOrdinal, result);
break;
case NS_STYLE_LIST_STYLE_GEORGIAN:
GeorgianToText(mOrdinal, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_ARABIC_INDIC:
OtherDecimalToText(mOrdinal, 0x0660, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_PERSIAN:
case NS_STYLE_LIST_STYLE_MOZ_URDU:
OtherDecimalToText(mOrdinal, 0x06f0, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_DEVANAGARI:
OtherDecimalToText(mOrdinal, 0x0966, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_GURMUKHI:
OtherDecimalToText(mOrdinal, 0x0a66, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_GUJARATI:
OtherDecimalToText(mOrdinal, 0x0AE6, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_ORIYA:
OtherDecimalToText(mOrdinal, 0x0B66, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_KANNADA:
OtherDecimalToText(mOrdinal, 0x0CE6, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_MALAYALAM:
OtherDecimalToText(mOrdinal, 0x0D66, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_THAI:
OtherDecimalToText(mOrdinal, 0x0E50, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_LAO:
OtherDecimalToText(mOrdinal, 0x0ED0, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_MYANMAR:
OtherDecimalToText(mOrdinal, 0x1040, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_KHMER:
OtherDecimalToText(mOrdinal, 0x17E0, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_BENGALI:
OtherDecimalToText(mOrdinal, 0x09E6, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_TELUGU:
OtherDecimalToText(mOrdinal, 0x0C66, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_TAMIL:
TamilToText(mOrdinal, result);
break;
case NS_STYLE_LIST_STYLE_MOZ_CJK_HEAVENLY_STEM:
CharListToText(mOrdinal, result, gCJKHeavenlyStemChars, CJK_HEAVENLY_STEM_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_MOZ_CJK_EARTHLY_BRANCH:
CharListToText(mOrdinal, result, gCJKEarthlyBranchChars, CJK_EARTHLY_BRANCH_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_MOZ_HANGUL:
CharListToText(mOrdinal, result, gHangulChars, HANGUL_CHARS_SIZE);
break;
case NS_STYLE_LIST_STYLE_MOZ_HANGUL_CONSONANT:
CharListToText(mOrdinal, result, gHangulConsonantChars, HANGUL_CONSONANT_CHARS_SIZE);
break;
}
#ifdef IBMBIDI
if (NS_STYLE_DIRECTION_RTL != vis->mDirection)
#endif // IBMBIDI
result.AppendWithConversion(".");
}
#define MIN_BULLET_SIZE 5 // from laytext.c
#define MINMAX(_value,_min,_max) \
((_value) < (_min) \
? (_min) \
: ((_value) > (_max) \
? (_max) \
: (_value)))
void
nsBulletFrame::GetDesiredSize(nsIPresContext* aCX,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
const nsStyleList* myList = (const nsStyleList*)mStyleContext->GetStyleData(eStyleStruct_List);
nscoord ascent;
if (!myList->mListStyleImage.IsEmpty()) {
nscoord widthConstraint = NS_INTRINSICSIZE;
nscoord heightConstraint = NS_INTRINSICSIZE;
PRBool fixedContentWidth = PR_FALSE;
PRBool fixedContentHeight = PR_FALSE;
nscoord minWidth, maxWidth, minHeight, maxHeight;
// Determine whether the image has fixed content width
widthConstraint = aReflowState.mComputedWidth;
minWidth = aReflowState.mComputedMinWidth;
maxWidth = aReflowState.mComputedMaxWidth;
if (widthConstraint != NS_INTRINSICSIZE) {
fixedContentWidth = PR_TRUE;
}
// Determine whether the image has fixed content height
heightConstraint = aReflowState.mComputedHeight;
minHeight = aReflowState.mComputedMinHeight;
maxHeight = aReflowState.mComputedMaxHeight;
if (heightConstraint != NS_UNCONSTRAINEDSIZE) {
fixedContentHeight = PR_TRUE;
}
PRBool haveComputedSize = PR_FALSE;
PRBool needIntrinsicImageSize = PR_FALSE;
nscoord newWidth=0, newHeight=0;
if (fixedContentWidth) {
newWidth = MINMAX(widthConstraint, minWidth, maxWidth);
if (fixedContentHeight) {
newHeight = MINMAX(heightConstraint, minHeight, maxHeight);
haveComputedSize = PR_TRUE;
} else {
// We have a width, and an auto height. Compute height from
// width once we have the intrinsic image size.
if (mIntrinsicSize.height != 0) {
newHeight = (mIntrinsicSize.height * newWidth) / mIntrinsicSize.width;
haveComputedSize = PR_TRUE;
} else {
newHeight = 0;
needIntrinsicImageSize = PR_TRUE;
}
}
} else if (fixedContentHeight) {
// We have a height, and an auto width. Compute width from height
// once we have the intrinsic image size.
newHeight = MINMAX(heightConstraint, minHeight, maxHeight);
if (mIntrinsicSize.width != 0) {
newWidth = (mIntrinsicSize.width * newHeight) / mIntrinsicSize.height;
haveComputedSize = PR_TRUE;
} else {
newWidth = 0;
needIntrinsicImageSize = PR_TRUE;
}
} else {
// auto size the image
if (mIntrinsicSize.width == 0 && mIntrinsicSize.height == 0)
needIntrinsicImageSize = PR_TRUE;
else
haveComputedSize = PR_TRUE;
newWidth = mIntrinsicSize.width;
newHeight = mIntrinsicSize.height;
}
mComputedSize.width = newWidth;
mComputedSize.height = newHeight;
#if 0 // don't do scaled images in bullets
if (mComputedSize == mIntrinsicSize) {
mTransform.SetToIdentity();
} else {
if (mComputedSize.width != 0 && mComputedSize.height != 0) {
mTransform.SetToScale(float(mIntrinsicSize.width) / float(mComputedSize.width),
float(mIntrinsicSize.height) / float(mComputedSize.height));
}
}
#endif
aMetrics.width = mComputedSize.width;
aMetrics.height = mComputedSize.height;
#if 0
mImageLoader.GetDesiredSize(aCX, &aReflowState, aMetrics);
if (!mImageLoader.GetLoadImageFailed()) {
nsHTMLContainerFrame::CreateViewForFrame(aCX, this, mStyleContext, nsnull,
PR_FALSE);
aMetrics.ascent = aMetrics.height;
aMetrics.descent = 0;
return;
}
#endif
aMetrics.ascent = aMetrics.height;
aMetrics.descent = 0;
return;
}
const nsStyleFont* myFont =
(const nsStyleFont*)mStyleContext->GetStyleData(eStyleStruct_Font);
nsCOMPtr<nsIFontMetrics> fm;
aCX->GetMetricsFor(myFont->mFont, getter_AddRefs(fm));
nscoord bulletSize;
float p2t;
float t2p;
nsAutoString text;
switch (myList->mListStyleType) {
case NS_STYLE_LIST_STYLE_NONE:
aMetrics.width = 0;
aMetrics.height = 0;
aMetrics.ascent = 0;
aMetrics.descent = 0;
break;
case NS_STYLE_LIST_STYLE_DISC:
case NS_STYLE_LIST_STYLE_CIRCLE:
case NS_STYLE_LIST_STYLE_BASIC:
case NS_STYLE_LIST_STYLE_SQUARE:
aCX->GetTwipsToPixels(&t2p);
fm->GetMaxAscent(ascent);
bulletSize = NSTwipsToIntPixels(
(nscoord)NSToIntRound(0.8f * (float(ascent) / 2.0f)), t2p);
if (bulletSize < 1) {
bulletSize = MIN_BULLET_SIZE;
}
aCX->GetPixelsToTwips(&p2t);
bulletSize = NSIntPixelsToTwips(bulletSize, p2t);
mPadding.bottom = ascent / 8;
aMetrics.width = mPadding.right + bulletSize;
aMetrics.height = mPadding.bottom + bulletSize;
aMetrics.ascent = mPadding.bottom + bulletSize;
aMetrics.descent = 0;
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:
GetListItemText(aCX, *myList, text);
fm->GetHeight(aMetrics.height);
aReflowState.rendContext->SetFont(fm);
aReflowState.rendContext->GetWidth(text, aMetrics.width);
aMetrics.width += mPadding.right;
fm->GetMaxAscent(aMetrics.ascent);
fm->GetMaxDescent(aMetrics.descent);
break;
}
}
NS_IMETHODIMP
nsBulletFrame::Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsBulletFrame", aReflowState.reason);
DISPLAY_REFLOW(aPresContext, this, aReflowState, aMetrics, aStatus);
if (eReflowReason_Incremental == aReflowState.reason) {
nsIReflowCommand::ReflowType type;
aReflowState.reflowCommand->GetType(type);
/* if the style changed, see if we need to load a new url */
if (nsIReflowCommand::StyleChanged == type) {
nsCOMPtr<nsIURI> baseURI;
GetBaseURI(getter_AddRefs(baseURI));
const nsStyleList* myList = (const nsStyleList*)mStyleContext->GetStyleData(eStyleStruct_List);
if (!myList->mListStyleImage.IsEmpty()) {
if (!mListener) {
nsBulletListener *listener;
NS_NEWXPCOM(listener, 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);
}
nsCOMPtr<nsIURI> newURI;
NS_NewURI(getter_AddRefs(newURI), myList->mListStyleImage, baseURI);
PRBool needNewRequest = PR_TRUE;
if (mImageRequest) {
// Reload the image, maybe...
nsCOMPtr<nsIURI> oldURI;
mImageRequest->GetURI(getter_AddRefs(oldURI));
if (oldURI) {
PRBool same;
newURI->Equals(oldURI, &same);
if (same) {
needNewRequest = PR_FALSE;
} else {
mImageRequest->Cancel(NS_ERROR_FAILURE);
mImageRequest = nsnull;
}
}
}
if (needNewRequest) {
nsresult rv;
nsCOMPtr<imgILoader> il(do_GetService("@mozilla.org/image/loader;1", &rv));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsILoadGroup> loadGroup;
GetLoadGroup(aPresContext, getter_AddRefs(loadGroup));
il->LoadImage(newURI, loadGroup, mListener, aPresContext, nsIRequest::LOAD_NORMAL, nsnull, nsnull, getter_AddRefs(mImageRequest));
}
}
}
}
// Get the base size
GetDesiredSize(aPresContext, aReflowState, 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;
aMetrics.descent += borderPadding.bottom;
if (nsnull != aMetrics.maxElementSize) {
aMetrics.maxElementSize->width = aMetrics.width;
aMetrics.maxElementSize->height = aMetrics.height;
}
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
NS_IMETHODIMP nsBulletFrame::OnStartContainer(imgIRequest *aRequest, nsIPresContext *aPresContext, imgIContainer *aImage)
{
if (!aImage) return NS_ERROR_INVALID_ARG;
nscoord w, h;
aImage->GetWidth(&w);
aImage->GetHeight(&h);
float p2t;
aPresContext->GetPixelsToTwips(&p2t);
nsSize newsize(NSIntPixelsToTwips(w, p2t), NSIntPixelsToTwips(h, p2t));
if (mIntrinsicSize != newsize) {
mIntrinsicSize = newsize;
// Now that the size is available (or an error occurred), trigger
// a reflow of the bullet frame.
nsCOMPtr<nsIPresShell> shell;
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && shell) {
NS_ASSERTION(mParent, "No parent to pass the reflow request up to.");
if (mParent) {
// Reflow the first child of the parent not the bullet frame.
// The bullet frame is not in a line list so marking it dirty
// has no effect. The reflowing of the bullet frame is done
// indirectly.
nsIFrame* frame = nsnull;
mParent->FirstChild(aPresContext, nsnull, &frame);
NS_ASSERTION(frame, "No frame to mark dirty for bullet frame.");
if (frame) {
nsFrameState state;
frame->GetFrameState(&state);
state |= NS_FRAME_IS_DIRTY;
frame->SetFrameState(state);
mParent->ReflowDirtyChild(shell, frame);
}
}
}
}
return NS_OK;
}
NS_IMETHODIMP nsBulletFrame::OnDataAvailable(imgIRequest *aRequest, nsIPresContext *aPresContext, gfxIImageFrame *aFrame, const nsRect *aRect)
{
if (!aRect) return NS_ERROR_NULL_POINTER;
nsRect r(*aRect);
/* XXX Why do we subtract 1 here? The rect is (for example): (0, 0, 600, 1)..
Why do we have to make y -1?
*/
// The y coordinate of aRect is passed as a scanline where the first scanline is given
// a value of 1. We need to convert this to the nsFrames coordinate space by subtracting
// 1.
r.y -= 1;
float p2t;
aPresContext->GetPixelsToTwips(&p2t);
r.x = NSIntPixelsToTwips(r.x, p2t);
r.y = NSIntPixelsToTwips(r.y, p2t);
r.width = NSIntPixelsToTwips(r.width, p2t);
r.height = NSIntPixelsToTwips(r.height, p2t);
Invalidate(aPresContext, r, PR_FALSE);
return NS_OK;
}
NS_IMETHODIMP nsBulletFrame::OnStopDecode(imgIRequest *aRequest, nsIPresContext *aPresContext, 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
nsCOMPtr<nsIPresShell> presShell;
aPresContext->GetShell(getter_AddRefs(presShell));
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, nsIPresContext *aPresContext, gfxIImageFrame *aNewFrame, nsRect *aDirtyRect)
{
nsRect r(*aDirtyRect);
float p2t;
aPresContext->GetPixelsToTwips(&p2t);
r.x = NSIntPixelsToTwips(r.x, p2t);
r.y = NSIntPixelsToTwips(r.y, p2t);
r.width = NSIntPixelsToTwips(r.width, p2t);
r.height = NSIntPixelsToTwips(r.height, p2t);
Invalidate(aPresContext, r, PR_FALSE);
return NS_OK;
}
void
nsBulletFrame::GetBaseURI(nsIURI **aURI)
{
NS_PRECONDITION(nsnull != aURI, "null OUT parameter pointer");
nsresult rv;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIHTMLContent> htmlContent(do_QueryInterface(mContent, &rv));
if (NS_SUCCEEDED(rv)) {
htmlContent->GetBaseURL(*getter_AddRefs(baseURI));
}
else {
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
doc->GetBaseURL(*getter_AddRefs(baseURI));
}
}
*aURI = baseURI;
NS_IF_ADDREF(*aURI);
}
void
nsBulletFrame::GetLoadGroup(nsIPresContext *aPresContext, nsILoadGroup **aLoadGroup)
{
if (!aPresContext)
return;
NS_PRECONDITION(nsnull != aLoadGroup, "null OUT parameter pointer");
nsCOMPtr<nsIPresShell> shell;
aPresContext->GetShell(getter_AddRefs(shell));
if (!shell)
return;
nsCOMPtr<nsIDocument> doc;
shell->GetDocument(getter_AddRefs(doc));
if (!doc)
return;
doc->GetDocumentLoadGroup(aLoadGroup);
}
NS_IMPL_ISUPPORTS2(nsBulletListener, imgIDecoderObserver, imgIContainerObserver)
nsBulletListener::nsBulletListener() :
mFrame(nsnull)
{
NS_INIT_ISUPPORTS();
}
nsBulletListener::~nsBulletListener()
{
}
NS_IMETHODIMP nsBulletListener::OnStartDecode(imgIRequest *aRequest, nsISupports *aContext)
{
return NS_OK;
}
NS_IMETHODIMP nsBulletListener::OnStartContainer(imgIRequest *aRequest, nsISupports *aContext, imgIContainer *aImage)
{
if (!mFrame)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIPresContext> pc(do_QueryInterface(aContext));
NS_ASSERTION(pc, "not a pres context!");
return mFrame->OnStartContainer(aRequest, pc, aImage);
}
NS_IMETHODIMP nsBulletListener::OnStartFrame(imgIRequest *aRequest, nsISupports *aContext, gfxIImageFrame *aFrame)
{
return NS_OK;
}
NS_IMETHODIMP nsBulletListener::OnDataAvailable(imgIRequest *aRequest, nsISupports *aContext, gfxIImageFrame *aFrame, const nsRect *aRect)
{
if (!mFrame)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIPresContext> pc(do_QueryInterface(aContext));
NS_ASSERTION(pc, "not a pres context!");
return mFrame->OnDataAvailable(aRequest, pc, aFrame, aRect);
}
NS_IMETHODIMP nsBulletListener::OnStopFrame(imgIRequest *aRequest, nsISupports *aContext, gfxIImageFrame *aFrame)
{
return NS_OK;
}
NS_IMETHODIMP nsBulletListener::OnStopContainer(imgIRequest *aRequest, nsISupports *aContext, imgIContainer *aImage)
{
return NS_OK;
}
NS_IMETHODIMP nsBulletListener::OnStopDecode(imgIRequest *aRequest, nsISupports *aContext, nsresult status, const PRUnichar *statusArg)
{
if (!mFrame)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIPresContext> pc(do_QueryInterface(aContext));
NS_ASSERTION(pc, "not a pres context!");
return mFrame->OnStopDecode(aRequest, pc, status, statusArg);
}
NS_IMETHODIMP nsBulletListener::FrameChanged(imgIContainer *aContainer, nsISupports *aContext, gfxIImageFrame *newframe, nsRect * dirtyRect)
{
if (!mFrame)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIPresContext> pc(do_QueryInterface(aContext));
NS_ASSERTION(pc, "not a pres context!");
return mFrame->FrameChanged(aContainer, pc, newframe, dirtyRect);
}
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