static void write_children_recursive(WTF::Vector<char>& v, WebCore::HistoryItem* parent)
{
const WebCore::HistoryItemVector& children = parent->children();
WebCore::HistoryItemVector::const_iterator end = children.end();
for (WebCore::HistoryItemVector::const_iterator i = children.begin(); i != end; ++i) {
WebCore::HistoryItem* item = (*i).get();
LOG_ASSERT(parent->bridge(),
"The parent item should have a bridge object!");
if (!item->bridge()) {
WebHistoryItem* bridge = new WebHistoryItem(static_cast<WebHistoryItem*>(parent->bridge()));
item->setBridge(bridge);
bridge->setActive();
} else {
// The only time this item's parent may not be the same as the
// parent's bridge is during history close. In that case, the
// parent must not have a parent bridge.
WebHistoryItem* bridge = static_cast<WebHistoryItem*>(item->bridge());
WebHistoryItem* parentBridge = static_cast<WebHistoryItem*>(parent->bridge());
LOG_ASSERT(parentBridge->parent() == 0 ||
bridge->parent() == parentBridge,
"Somehow this item has an incorrect parent");
bridge->setParent(parentBridge);
}
write_item(v, item);
write_children_recursive(v, item);
}
}
jbyteArray WebHistory::Flatten(JNIEnv* env, WTF::Vector<char>& v, WebCore::HistoryItem* item)
{
if (!item)
return NULL;
// Reserve a vector of chars with an initial size of HISTORY_MIN_SIZE.
v.reserveCapacity(HISTORY_MIN_SIZE);
// Write the top-level history item and then write all the children
// recursively.
LOG_ASSERT(item->bridge(), "Why don't we have a bridge object here?");
write_item(v, item);
write_children_recursive(v, item);
//SAMSUNG - CRASH FIX BEGIN
int size = v.size();
if (size > 0)
{
long availableMemory = GetVmAvailableMemory(env);
if(size > availableMemory)
{
LOGV("WebHistory::Flatten(): load size=%d, availableMemory=%ld, still larger, return NULL", size, availableMemory);
return NULL;
}
checkException(env);
}
//SAMSUNG - CRASH FIX END
// Try to create a new java byte array.
jbyteArray b = env->NewByteArray(v.size());
if (!b)
{
//SAMSUNG - CRASH FIX BEGIN
if (checkException(env))
{
LOGV("WebHistory::Flatten(): env exception happened while allocating %d bytes, clear pending exception", v.size());
env->ExceptionClear();
}
//SAMSUNG - CRASH FIX END
return NULL;
}
// Write our flattened data to the java array.
env->SetByteArrayRegion(b, 0, v.size(), (const jbyte*)v.data());
return b;
}
jbyteArray WebHistory::Flatten(JNIEnv* env, WTF::Vector<char>& v, WebCore::HistoryItem* item)
{
if (!item)
return NULL;
// Reserve a vector of chars with an initial size of HISTORY_MIN_SIZE.
v.reserveCapacity(HISTORY_MIN_SIZE);
// Write the top-level history item and then write all the children
// recursively.
LOG_ASSERT(item->bridge(), "Why don't we have a bridge object here?");
write_item(v, item);
write_children_recursive(v, item);
// Try to create a new java byte array.
jbyteArray b = env->NewByteArray(v.size());
if (!b)
return NULL;
// Write our flattened data to the java array.
env->SetByteArrayRegion(b, 0, v.size(), (const jbyte*)v.data());
return b;
}
