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Fix memory leak and remove deprecated API usage

This commit is contained in:
Marshall Greenblatt 2022-09-28 20:49:37 -04:00
parent ce13240080
commit cbdc66c0ab
1 changed files with 35 additions and 23 deletions
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58
libcef/common/values_impl.cc
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@ -732,9 +732,8 @@ bool CefDictionaryValueImpl::HasKey(const CefString& key) {
bool CefDictionaryValueImpl::GetKeys(KeyList& keys) {
CEF_VALUE_VERIFY_RETURN(false, 0);
for (base::DictionaryValue::Iterator i(const_value()); !i.IsAtEnd();
i.Advance()) {
keys.push_back(i.key());
for (const auto item : const_value().GetDict()) {
keys.push_back(item.first);
}
return true;
@ -996,10 +995,22 @@ bool CefDictionaryValueImpl::RemoveInternal(const CefString& key) {
base::Value* CefDictionaryValueImpl::SetInternal(const CefString& key,
base::Value* value) {
DCHECK(value);
std::unique_ptr<base::Value> valueObj(value);
RemoveInternal(key);
mutable_value()->SetWithoutPathExpansion(
base::StringPiece(key), base::WrapUnique<base::Value>(value));
return value;
// base::Value now uses move semantics which means that Set() will move the
// contents of the passed-in base::Value instead of keeping the same object.
// Set() then returns the actual Value pointer as it currently exists.
base::Value* actual_value =
mutable_value()->GetDict().Set(base::StringPiece(key), std::move(*value));
CHECK(actual_value);
// |value| will be deleted when this method returns. Update the controller to
// reference |actual_value| instead.
controller()->Swap(value, actual_value);
return actual_value;
}
CefDictionaryValueImpl::CefDictionaryValueImpl(base::DictionaryValue* value,
@ -1128,7 +1139,7 @@ CefRefPtr<CefListValue> CefListValueImpl::Copy() {
bool CefListValueImpl::SetSize(size_t size) {
CEF_VALUE_VERIFY_RETURN(true, false);
size_t current_size = const_value().GetListDeprecated().size();
size_t current_size = const_value().GetList().size();
if (size < current_size) {
// Clean up any values above the requested size.
for (size_t i = current_size - 1; i >= size; --i)
@ -1137,7 +1148,7 @@ bool CefListValueImpl::SetSize(size_t size) {
// Expand the list size.
// TODO: This approach seems inefficient. See https://crbug.com/1187066#c17
// for background.
auto list = mutable_value()->GetListDeprecated();
auto& list = mutable_value()->GetList();
while (list.size() < size)
mutable_value()->Append(base::Value());
}
@ -1146,7 +1157,7 @@ bool CefListValueImpl::SetSize(size_t size) {
size_t CefListValueImpl::GetSize() {
CEF_VALUE_VERIFY_RETURN(false, 0);
return const_value().GetListDeprecated().size();
return const_value().GetList().size();
}
bool CefListValueImpl::Clear() {
@ -1167,7 +1178,7 @@ bool CefListValueImpl::Remove(size_t index) {
CefValueType CefListValueImpl::GetType(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, VTYPE_INVALID);
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
switch (value.type()) {
@ -1196,7 +1207,7 @@ CefValueType CefListValueImpl::GetType(size_t index) {
CefRefPtr<CefValue> CefListValueImpl::GetValue(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, nullptr);
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
return CefValueImpl::GetOrCreateRefOrCopy(
@ -1212,7 +1223,7 @@ bool CefListValueImpl::GetBool(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, false);
bool ret_value = false;
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_bool()) {
@ -1227,7 +1238,7 @@ int CefListValueImpl::GetInt(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, 0);
int ret_value = 0;
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_int()) {
@ -1242,7 +1253,7 @@ double CefListValueImpl::GetDouble(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, 0);
double ret_value = 0;
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_double()) {
@ -1257,7 +1268,7 @@ CefString CefListValueImpl::GetString(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, CefString());
std::string ret_value;
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_string()) {
@ -1271,7 +1282,7 @@ CefString CefListValueImpl::GetString(size_t index) {
CefRefPtr<CefBinaryValue> CefListValueImpl::GetBinary(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, nullptr);
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_blob()) {
@ -1288,7 +1299,7 @@ CefRefPtr<CefBinaryValue> CefListValueImpl::GetBinary(size_t index) {
CefRefPtr<CefDictionaryValue> CefListValueImpl::GetDictionary(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, nullptr);
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_dict()) {
@ -1306,7 +1317,7 @@ CefRefPtr<CefDictionaryValue> CefListValueImpl::GetDictionary(size_t index) {
CefRefPtr<CefListValue> CefListValueImpl::GetList(size_t index) {
CEF_VALUE_VERIFY_RETURN(false, nullptr);
const auto& list = const_value().GetListDeprecated();
const auto& list = const_value().GetList();
if (index < list.size()) {
const base::Value& value = list[index];
if (value.is_list()) {
@ -1397,7 +1408,7 @@ bool CefListValueImpl::SetList(size_t index, CefRefPtr<CefListValue> value) {
}
bool CefListValueImpl::RemoveInternal(size_t index) {
auto list = mutable_value()->GetListDeprecated();
auto& list = mutable_value()->GetList();
if (index >= list.size())
return false;
@ -1410,7 +1421,7 @@ bool CefListValueImpl::RemoveInternal(size_t index) {
// |actual_value| is no longer valid after this call.
auto out_value = std::move(list[index]);
mutable_value()->EraseListIter(list.begin() + index);
list.erase(list.begin() + index);
// Remove the value.
controller()->Remove(const_cast<base::Value*>(&actual_value), true);
@ -1425,11 +1436,12 @@ bool CefListValueImpl::RemoveInternal(size_t index) {
base::Value* CefListValueImpl::SetInternal(size_t index, base::Value* value) {
DCHECK(value);
std::unique_ptr<base::Value> valueObj(value);
auto list = mutable_value()->GetListDeprecated();
auto& list = mutable_value()->GetList();
if (RemoveInternal(index)) {
CHECK_LE(index, list.size());
mutable_value()->GetList().Insert(list.begin() + index, std::move(*value));
list.Insert(list.begin() + index, std::move(*value));
} else {
if (index >= list.size()) {
// Expand the list size.
@ -1447,7 +1459,7 @@ base::Value* CefListValueImpl::SetInternal(size_t index, base::Value* value) {
// pointer as it exists in the std::vector.
const base::Value& actual_value = list[index];
// |value| will have been deleted at this point. Update the controller to
// |value| will be deleted when this method returns. Update the controller to
// reference |actual_value| instead.
controller()->Swap(value, const_cast<base::Value*>(&actual_value));