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#642: M1677940 M1698503 M1699835 (modified)

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This commit is contained in:
Cameron Kaiser 2021-04-15 17:08:30 -07:00
parent 36ee9cc9c8
commit 4f70dd5c95
2 changed files with 31 additions and 13 deletions
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36
dom/canvas/CanvasRenderingContext2D.cpp
View File

@ -4030,29 +4030,41 @@ CanvasRenderingContext2D::DrawOrMeasureText(const nsAString& aRawText,
gfxFontGroup *CanvasRenderingContext2D::GetCurrentFontStyle()
{
// use lazy initilization for the font group since it's rather expensive
if (!CurrentState().fontGroup) {
// Use lazy (re)initialization for the fontGroup since it's rather expensive.
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
gfxTextPerfMetrics* tp = nullptr;
if (presShell && !presShell->IsDestroying()) {
tp = presShell->GetPresContext()->GetTextPerfMetrics();
}
// If we have a cached fontGroup, check that it is valid for the current
// prescontext; if not, we need to discard and re-create it.
RefPtr<gfxFontGroup>& fontGroup = CurrentState().fontGroup;
if (fontGroup && fontGroup->GetTextPerfMetrics() != tp)
fontGroup = nullptr;
if (!fontGroup) {
ErrorResult err;
NS_NAMED_LITERAL_STRING(kDefaultFontStyle, "10px sans-serif");
static float kDefaultFontSize = 10.0;
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
bool fontUpdated = SetFontInternal(kDefaultFontStyle, err);
// If the font has already been set, we're re-creating the fontGroup
// and should re-use the existing font attribute; if not, we initialize
// it to the canvas default.
const nsString& currentFont = CurrentState().font;
bool fontUpdated = SetFontInternal(
currentFont.IsEmpty() ? kDefaultFontStyle : currentFont, err);
if (err.Failed() || !fontUpdated) {
err.SuppressException();
gfxFontStyle style;
style.size = kDefaultFontSize;
gfxTextPerfMetrics* tp = nullptr;
if (presShell && !presShell->IsDestroying()) {
tp = presShell->GetPresContext()->GetTextPerfMetrics();
}
int32_t perDevPixel, perCSSPixel;
GetAppUnitsValues(&perDevPixel, &perCSSPixel);
gfxFloat devToCssSize = gfxFloat(perDevPixel) / gfxFloat(perCSSPixel);
CurrentState().fontGroup =
gfxPlatform::GetPlatform()->CreateFontGroup(FontFamilyList(eFamily_sans_serif),
fontGroup = gfxPlatform::GetPlatform()->CreateFontGroup(FontFamilyList(eFamily_sans_serif),
&style, tp,
nullptr, devToCssSize);
if (CurrentState().fontGroup) {
if (fontGroup) {
CurrentState().font = kDefaultFontStyle;
} else {
NS_ERROR("Default canvas font is invalid");
@ -4060,7 +4072,7 @@ gfxFontGroup *CanvasRenderingContext2D::GetCurrentFontStyle()
}
}
return CurrentState().fontGroup;
return fontGroup;
}
//

8
netwerk/base/nsIOService.cpp
View File

@ -113,6 +113,7 @@ int16_t gBadPortList[] = {
42, // name
43, // nicname
53, // domain
69, // tftp
77, // priv-rjs
79, // finger
87, // ttylink
@ -130,8 +131,10 @@ int16_t gBadPortList[] = {
119, // nntp
123, // ntp
135, // loc-srv / epmap
137, // netbios
139, // netbios
143, // imap2
161, // snmp
179, // bgp
389, // ldap
427, // afp (alternate)
@ -154,6 +157,7 @@ int16_t gBadPortList[] = {
636, // ldap+ssl
993, // imap+ssl
995, // pop3+ssl
1719, // h323gatestat
1720, // h323hostcall
1723, // pptp
2049, // nfs
@ -162,12 +166,14 @@ int16_t gBadPortList[] = {
5060, // sip
5061, // sips
6000, // x11
6566, // sane-port
6665, // irc (alternate)
6666, // irc (alternate)
6667, // irc (default)
6668, // irc (alternate)
6669, // irc (alternate)
6697, // irc+tls
10080, // amanda
0, // Sentinel value: This MUST be zero
};
@ -1182,7 +1188,7 @@ nsIOService::AllowPort(int32_t inPort, const char *scheme, bool *_retval)
return NS_OK;
}
if (port == 0) {
if (port <= 0 || port >= std::numeric_limits<uint16_t>::max()) {
*_retval = false;
return NS_OK;
}