static RetainPtr<CFDataRef> encodeSessionHistoryEntryData(const FrameState& frameState)
{
static CFAllocatorRef fastMallocDeallocator;
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
CFAllocatorContext context = {
0, // version
nullptr, // info
nullptr, // retain
nullptr, // release
nullptr, // copyDescription
nullptr, // allocate
nullptr, // reallocate
[](void *ptr, void *info) {
WTF::fastFree(ptr);
},
nullptr, // preferredSize
};
fastMallocDeallocator = CFAllocatorCreate(kCFAllocatorDefault, &context);
});
size_t bufferSize;
auto buffer = encodeSessionHistoryEntryData(frameState, bufferSize);
return adoptCF(CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, buffer.leakPtr(), bufferSize, fastMallocDeallocator));
}
static RetainPtr<CFDictionaryRef> encodeSessionHistory(const BackForwardListState& backForwardListState)
{
ASSERT(!backForwardListState.currentIndex || backForwardListState.currentIndex.value() < backForwardListState.items.size());
auto sessionHistoryVersionNumber = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &sessionHistoryVersion));
if (!backForwardListState.currentIndex)
return createDictionary({ { sessionHistoryVersionKey, sessionHistoryVersionNumber.get() } });
auto entries = adoptCF(CFArrayCreateMutable(kCFAllocatorDefault, backForwardListState.items.size(), &kCFTypeArrayCallBacks));
for (const auto& item : backForwardListState.items) {
auto url = item.pageState.mainFrameState.urlString.createCFString();
auto title = item.pageState.title.createCFString();
auto originalURL = item.pageState.mainFrameState.originalURLString.createCFString();
auto data = encodeSessionHistoryEntryData(item.pageState.mainFrameState);
auto entryDictionary = createDictionary({ { sessionHistoryEntryURLKey, url.get() }, { sessionHistoryEntryTitleKey, title.get() }, { sessionHistoryEntryOriginalURLKey, originalURL.get() }, { sessionHistoryEntryDataKey, data.get() } });
CFArrayAppendValue(entries.get(), entryDictionary.get());
}
uint32_t currentIndex = backForwardListState.currentIndex.value();
auto currentIndexNumber = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, ¤tIndex));
return createDictionary({ { sessionHistoryVersionKey, sessionHistoryVersionNumber.get() }, { sessionHistoryCurrentIndexKey, currentIndexNumber.get() }, { sessionHistoryEntriesKey, entries.get() } });
}
static RetainPtr<CFDictionaryRef> encodeSessionHistory(const BackForwardListState& backForwardListState)
{
ASSERT(!backForwardListState.currentIndex || backForwardListState.currentIndex.value() < backForwardListState.items.size());
auto sessionHistoryVersionNumber = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &sessionHistoryVersion));
if (!backForwardListState.currentIndex)
return createDictionary({ { sessionHistoryVersionKey, sessionHistoryVersionNumber.get() } });
auto entries = adoptCF(CFArrayCreateMutable(kCFAllocatorDefault, backForwardListState.items.size(), &kCFTypeArrayCallBacks));
size_t totalDataSize = 0;
for (const auto& item : backForwardListState.items) {
auto url = item.pageState.mainFrameState.urlString.createCFString();
auto title = item.pageState.title.createCFString();
auto originalURL = item.pageState.mainFrameState.originalURLString.createCFString();
auto data = totalDataSize <= maximumSessionStateDataSize ? encodeSessionHistoryEntryData(item.pageState.mainFrameState) : nullptr;
auto shouldOpenExternalURLsPolicyValue = static_cast<uint64_t>(item.pageState.shouldOpenExternalURLsPolicy);
auto shouldOpenExternalURLsPolicy = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &shouldOpenExternalURLsPolicyValue));
RetainPtr<CFDictionaryRef> entryDictionary;
if (data) {
totalDataSize += CFDataGetLength(data.get());
entryDictionary = createDictionary({
{ sessionHistoryEntryURLKey, url.get() },
{ sessionHistoryEntryTitleKey, title.get() },
{ sessionHistoryEntryOriginalURLKey, originalURL.get() },
{ sessionHistoryEntryDataKey, data.get() },
{ sessionHistoryEntryShouldOpenExternalURLsPolicyKey, shouldOpenExternalURLsPolicy.get() },
});
} else {
entryDictionary = createDictionary({
{ sessionHistoryEntryURLKey, url.get() },
{ sessionHistoryEntryTitleKey, title.get() },
{ sessionHistoryEntryOriginalURLKey, originalURL.get() },
{ sessionHistoryEntryShouldOpenExternalURLsPolicyKey, shouldOpenExternalURLsPolicy.get() },
});
}
CFArrayAppendValue(entries.get(), entryDictionary.get());
}
uint32_t currentIndex = backForwardListState.currentIndex.value();
auto currentIndexNumber = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, ¤tIndex));
return createDictionary({ { sessionHistoryVersionKey, sessionHistoryVersionNumber.get() }, { sessionHistoryCurrentIndexKey, currentIndexNumber.get() }, { sessionHistoryEntriesKey, entries.get() } });
}
