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gecko-dev/layout/generic/nsBulletFrame.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (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 Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#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 "nsIURL.h"
#include "nsLayoutAtoms.h"
#include "prprf.h"
nsBulletFrame::nsBulletFrame()
{
}
nsBulletFrame::~nsBulletFrame()
{
}
NS_IMETHODIMP
nsBulletFrame::Destroy(nsIPresContext& aPresContext)
{
// Stop image loading first
mImageLoader.StopAllLoadImages(&aPresContext);
// 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);
nsIURI* baseURL = nsnull;
nsIHTMLContent* htmlContent;
rv = mContent->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
if (NS_SUCCEEDED(rv)) {
htmlContent->GetBaseURL(baseURL);
NS_RELEASE(htmlContent);
}
else {
nsIDocument* doc;
rv = mContent->GetDocument(doc);
if (NS_SUCCEEDED(rv) && doc) {
doc->GetBaseURL(baseURL);
NS_RELEASE(doc);
}
}
const nsStyleList* myList = (const nsStyleList*)
mStyleContext->GetStyleData(eStyleStruct_List);
mImageLoader.Init(this, UpdateBulletCB, this,
baseURL, myList->mListStyleImage);
NS_IF_RELEASE(baseURL);
return NS_OK;
}
NS_IMETHODIMP
nsBulletFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("Bullet", aResult);
}
NS_IMETHODIMP
nsBulletFrame::GetFrameType(nsIAtom** aType) const
{
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
*aType = nsLayoutAtoms::bulletFrame;
NS_ADDREF(*aType);
return NS_OK;
}
NS_IMETHODIMP
nsBulletFrame::Paint(nsIPresContext& aCX,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
if (NS_FRAME_PAINT_LAYER_FOREGROUND != aWhichLayer) {
return NS_OK;
}
const nsStyleDisplay* disp =
(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
if (disp->mVisible) {
const nsStyleList* myList =
(const nsStyleList*)mStyleContext->GetStyleData(eStyleStruct_List);
PRUint8 listStyleType = myList->mListStyleType;
if (myList->mListStyleImage.Length() > 0) {
nsIImage* image = mImageLoader.GetImage();
if (image) {
if (!mImageLoader.GetLoadImageFailed()) {
nsRect innerArea(mPadding.left, mPadding.top,
mRect.width - (mPadding.left + mPadding.right),
mRect.height - (mPadding.top + mPadding.bottom));
aRenderingContext.DrawImage(image, innerArea);
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);
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_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:
aCX.GetMetricsFor(myFont->mFont, getter_AddRefs(fm));
GetListItemText(aCX, *myList, text);
aRenderingContext.SetFont(fm);
aRenderingContext.DrawString(text, mPadding.left, mPadding.top);
break;
}
}
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.Append(cbuf);
}
static void DecimalLeadingZeroToText(PRInt32 ordinal, nsString& result)
{
char cbuf[40];
PR_snprintf(cbuf, sizeof(cbuf), "%02ld", ordinal);
result.Append(cbuf);
}
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.Append(ordinal, 10);
PRIntn len = decStr.Length();
const PRUnichar* dp = decStr.GetUnicode();
const PRUnichar* end = dp + len;
PRIntn romanPos = len;
PRIntn n;
for (; dp < end; dp++) {
romanPos--;
addOn.SetLength(0);
switch(*dp) {
case '3': addOn.Append(achars[romanPos]);
case '2': addOn.Append(achars[romanPos]);
case '1': addOn.Append(achars[romanPos]);
break;
case '4':
addOn.Append(achars[romanPos]);
// FALLTHROUGH
case '5': case '6':
case '7': case '8':
addOn.Append(bchars[romanPos]);
for(n=0;n<(*dp-'5');n++) {
addOn.Append(achars[romanPos]);
}
break;
case '9':
addOn.Append(achars[romanPos]);
addOn.Append(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
};
// 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 gCJKIdeographicDigit[10] =
{
0x96f6, 0x4e00, 0x4e8c, 0x4e09, 0x56db, // 0 - 4
0x4e94, 0x516d, 0x4e03, 0x516b, 0x4e5d // 5 - 9
};
static PRUnichar gCJKIdeographicUnit[4] =
{
0x000, 0x5341, 0x767e, 0x5343
};
static PRUnichar gCJKIdeographic10KUnit[4] =
{
0x000, 0x842c, 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];
PRInt32 idx = NUM_BUF_SIZE;
PRUnichar digit;
do {
PRInt32 n3 = ordinal % 1000;
if(outputSep)
buf[--idx] = HEBREW_THROSAND_SEP; // output thousand seperator
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)
{
buf[--idx] = digit;
d++;
} else {
// if this is the last digit
if (d > 0)
{
buf[--idx] = HEBREW_GERSHAYIM;
buf[--idx] = digit;
} else {
buf[--idx] = digit;
buf[--idx] = HEBREW_GERESH;
} // if
} // 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) {
buf[--idx] = digit;
d++;
} else {
// if this is the last digit
if (d > 0)
{
buf[--idx] = HEBREW_GERSHAYIM;
buf[--idx] = digit;
} else {
buf[--idx] = digit;
buf[--idx] = HEBREW_GERESH;
} // if
} // if
} // if
// Process digit for 1 - 9
if ( n3 > 0)
{
digit = gHebrewDigit[n3-1];
// must be the last digit
if (d > 0)
{
buf[--idx] = HEBREW_GERSHAYIM;
buf[--idx] = digit;
} else {
buf[--idx] = digit;
buf[--idx] = HEBREW_GERESH;
} // if
} // if
ordinal /= 1000;
} while (ordinal >= 1);
result.Append(buf+idx,NUM_BUF_SIZE-idx);
}
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 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 = 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)
{
switch (aListStyle.mListStyleType) {
case NS_STYLE_LIST_STYLE_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:
// We may need to pass in different table for CJK-Ideographic-complex if it is
// supported in CSS3 or we may pass in different table for simplified Chinese
CJKIdeographicToText(mOrdinal, result, gCJKIdeographicDigit, gCJKIdeographicUnit, gCJKIdeographic10KUnit);
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;
}
result.Append(".");
}
#define MIN_BULLET_SIZE 5 // from laytext.c
nsresult
nsBulletFrame::UpdateBulletCB(nsIPresContext* aPresContext,
nsHTMLImageLoader* aLoader,
nsIFrame* aFrame,
void* aClosure,
PRUint32 aStatus)
{
nsresult rv = NS_OK;
if ((NS_IMAGE_LOAD_STATUS_SIZE_AVAILABLE|NS_IMAGE_LOAD_STATUS_ERROR)
& aStatus) {
// Now that the size is available (or an error occurred), trigger
// a reflow of the bullet frame.
nsCOMPtr<nsIPresShell> shell;
rv = aPresContext->GetShell(getter_AddRefs(shell));
if (NS_SUCCEEDED(rv) && shell) {
nsIReflowCommand* cmd;
rv = NS_NewHTMLReflowCommand(&cmd, aFrame,
nsIReflowCommand::ContentChanged);
if (NS_OK == rv) {
shell->EnterReflowLock();
shell->AppendReflowCommand(cmd);
NS_RELEASE(cmd);
shell->ExitReflowLock();
}
}
}
return rv;
}
void
nsBulletFrame::GetDesiredSize(nsIPresContext* aCX,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
const nsStyleList* myList =
(const nsStyleList*)mStyleContext->GetStyleData(eStyleStruct_List);
nscoord ascent;
if (myList->mListStyleImage.Length() > 0) {
mImageLoader.GetDesiredSize(aCX, &aReflowState, aMetrics);
if (!mImageLoader.GetLoadImageFailed()) {
nsHTMLContainerFrame::CreateViewForFrame(*aCX, this, mStyleContext,
PR_FALSE);
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_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:
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)
{
if (eReflowReason_Incremental == aReflowState.reason) {
nsIReflowCommand::ReflowType type;
aReflowState.reflowCommand->GetType(type);
if (nsIReflowCommand::StyleChanged == type) {
// Reload the image, maybe...
nsAutoString oldImageURL;
mImageLoader.GetURLSpec(oldImageURL);
const nsStyleList* myList = (const nsStyleList*)
mStyleContext->GetStyleData(eStyleStruct_List);
if (myList->mListStyleImage != oldImageURL) {
mImageLoader.UpdateURLSpec(&aPresContext, myList->mListStyleImage);
}
}
}
// 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;
}
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