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Bug 838105 - add debug logging code for userfont cache. r=birtles

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This commit is contained in:
John Daggett 2013-09-19 10:56:49 +09:00
parent bdfea7f41f
commit f751ca2a58
2 changed files with 70 additions and 0 deletions
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59
gfx/thebes/gfxUserFontSet.cpp
View File

@ -899,6 +899,11 @@ gfxUserFontSet::UserFontCache::CacheFont(gfxFontEntry *aFontEntry)
gfxUserFontData *data = aFontEntry->mUserFontData;
sUserFonts->PutEntry(Key(data->mURI, data->mPrincipal, aFontEntry,
data->mPrivate));
#ifdef DEBUG_USERFONT_CACHE
printf("userfontcache added fontentry: %p\n", aFontEntry);
Dump();
#endif
}
void
@ -915,6 +920,11 @@ gfxUserFontSet::UserFontCache::ForgetFont(gfxFontEntry *aFontEntry)
// would no longer find the entry (bug 838105).
sUserFonts->EnumerateEntries(
gfxUserFontSet::UserFontCache::Entry::RemoveIfMatches, aFontEntry);
#ifdef DEBUG_USERFONT_CACHE
printf("userfontcache removed fontentry: %p\n", aFontEntry);
Dump();
#endif
}
gfxFontEntry*
@ -944,3 +954,52 @@ gfxUserFontSet::UserFontCache::Shutdown()
sUserFonts = nullptr;
}
}
#ifdef DEBUG_USERFONT_CACHE
PLDHashOperator
gfxUserFontSet::UserFontCache::Entry::DumpEntry(Entry* aEntry, void* aUserData)
{
nsresult rv;
nsAutoCString principalURISpec;
nsCOMPtr<nsIURI> principalURI;
rv = aEntry->mPrincipal->GetURI(getter_AddRefs(principalURI));
if (NS_SUCCEEDED(rv)) {
principalURI->GetSpec(principalURISpec);
}
bool setDomain = false;
nsCOMPtr<nsIURI> domainURI;
aEntry->mPrincipal->GetDomain(getter_AddRefs(domainURI));
if (domainURI) {
setDomain = true;
}
NS_ASSERTION(aEntry->mURI, "null URI in userfont cache entry");
printf("userfontcache fontEntry: %p fonturihash: %8.8x family: %s domainset: %s principal: [%s]\n",
aEntry->mFontEntry,
nsURIHashKey::HashKey(aEntry->mURI),
NS_ConvertUTF16toUTF8(aEntry->mFontEntry->FamilyName()).get(),
(setDomain ? "true" : "false"),
principalURISpec.get()
);
return PL_DHASH_NEXT;
}
void
gfxUserFontSet::UserFontCache::Dump()
{
if (!sUserFonts) {
return;
}
printf("userfontcache dump count: %d ========\n", sUserFonts->Count());
sUserFonts->EnumerateEntries(Entry::DumpEntry, nullptr);
printf("userfontcache dump ==================\n");
}
#endif

11
gfx/thebes/gfxUserFontSet.h
View File

@ -22,6 +22,8 @@
class gfxMixedFontFamily;
class nsFontFaceLoader;
//#define DEBUG_USERFONT_CACHE
// parsed CSS @font-face rule information
// lifetime: from when @font-face rule processed until font is loaded
struct gfxFontFaceSrc {
@ -270,6 +272,11 @@ public:
// Clear everything so that we don't leak URIs and Principals.
static void Shutdown();
#ifdef DEBUG_USERFONT_CACHE
// dump contents
static void Dump();
#endif
private:
// Helper that we use to observe the empty-cache notification
// from nsICacheService.
@ -349,6 +356,10 @@ public:
static PLDHashOperator RemoveIfMatches(Entry* aEntry, void* aUserData);
static PLDHashOperator DisconnectSVG(Entry* aEntry, void* aUserData);
#ifdef DEBUG_USERFONT_CACHE
static PLDHashOperator DumpEntry(Entry* aEntry, void* aUserData);
#endif
private:
static uint32_t
HashFeatures(const nsTArray<gfxFontFeature>& aFeatures) {