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fix: rewrite gfxTextRun constructor for Firefox 146 FontVisibilityProvider

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- Update constructor signature from nsPresContext to FontVisibilityProvider
- Remove mLastPrefFirstFont and mSkipDrawing from initializer (not in FF146)
- Update line numbers: 1861→1873, 1876→1875
- Replace mPresContext with mFontVisibilityProvider for user context extraction
This commit is contained in:
Nirupam Bhowmick
2025-12-21 23:48:32 +00:00
parent 21b92cf5bf
commit 541ab0f35c
1 changed files with 9 additions and 9 deletions
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patches/roverfox/font-fingerprinting.context.patch
+9 -9
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@@ -869,25 +869,25 @@ index a8fac45e67..d59815f2d5 100644
EmphasisMarkDrawParams params(aContext, aPaletteCache);
params.mark = aMark;
@@ -1861,7 +1865,8 @@ gfxFontGroup::gfxFontGroup(nsPresContext* aPresContext,
mPageLang(gfxPlatformFontList::GetFontPrefLangFor(aLanguage)),
mLastPrefFirstFont(false),
mSkipDrawing(false),
- mExplicitLanguage(aExplicitLanguage) {
+ mExplicitLanguage(aExplicitLanguage),
@@ -1873,2 +1877,3 @@ gfxFontGroup::gfxFontGroup(FontVisibilityProvider* aFontVisibilityProvider,
mPageLang(gfxPlatformFontList::GetFontPrefLangFor(aLanguage)),
mExplicitLanguage(aExplicitLanguage),
- mFontVariantEmoji(aVariantEmoji) {
+ mFontVariantEmoji(aVariantEmoji),
+ mUserContextId(0) {
+ mUserContextId(0) {
switch (aVariantEmoji) {
case StyleFontVariantEmoji::Normal:
case StyleFontVariantEmoji::Unicode:
@@ -1876,6 +1881,19 @@ gfxFontGroup::gfxFontGroup(nsPresContext* aPresContext,
@@ -1875,4 +1880,17 @@ gfxFontGroup::gfxFontGroup(FontVisibilityProvider* aFontVisibilityProvider,
// We don't use SetUserFontSet() here, as we want to unconditionally call
// EnsureFontList() rather than only do UpdateUserFonts() if it changed.
mCurrGeneration = 0;
+
+ // Initialize cached user context ID from the document principal.
+ mUserContextId = 0;
+ if (mPresContext) {
+ if (auto* doc = mPresContext->Document()) {
+ if (mFontVisibilityProvider) {
if (auto* doc = mFontVisibilityProvider ? mFontVisibilityProvider->GetDocument() : nullptr) {
+ if (auto* principal = doc->NodePrincipal()) {
+ auto* bp = mozilla::BasePrincipal::Cast(principal);
+ if (bp) {