blob: 1ebdf6055786ff7ce99eaef57689f6f4b0b3f21b [file] [log] [blame]
// Copyright 2018 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/dom/script_event_log.h"
#include "cobalt/dom/event_target.h"
namespace cobalt {
namespace dom {
ScriptEventLog::ScriptEventLog() : current_stack_depth_(0) {
base::UserLog::Register(base::UserLog::kEventStackLevelCountIndex,
"EventLevelCnt", &current_stack_depth_,
sizeof(current_stack_depth_));
memset(event_log_stack_, 0, sizeof(event_log_stack_));
const int kLogNameBufferSize = 16;
char log_name_buffer[kLogNameBufferSize];
for (int i = 0; i < base::UserLog::kEventStackMaxDepth; i++) {
snprintf(log_name_buffer, kLogNameBufferSize, "EventLevel%d", i);
base::UserLog::Register(static_cast<base::UserLog::Index>(
base::UserLog::kEventStackMinLevelIndex + i),
log_name_buffer, event_log_stack_[i],
kLogEntryMaxLength);
}
}
ScriptEventLog::~ScriptEventLog() {
base::UserLog::Deregister(base::UserLog::kEventStackLevelCountIndex);
for (int i = 0; i < base::UserLog::kEventStackMaxDepth; i++) {
base::UserLog::Deregister(static_cast<base::UserLog::Index>(
base::UserLog::kEventStackMinLevelIndex + i));
}
}
void ScriptEventLog::PushEvent(Event* event) {
if (current_stack_depth_ < base::UserLog::kEventStackMaxDepth) {
snprintf(event_log_stack_[current_stack_depth_], kLogEntryMaxLength,
"%s@%s", event->type().c_str(),
event->current_target()->GetDebugName().c_str());
} else if (current_stack_depth_ == base::UserLog::kEventStackMaxDepth) {
DLOG(WARNING) << "Reached maximum depth of " << kLogEntryMaxLength
<< ". Subsequent events will not be logged.";
}
current_stack_depth_++;
}
void ScriptEventLog::PopEvent() {
DCHECK(current_stack_depth_);
current_stack_depth_--;
if (current_stack_depth_ < base::UserLog::kEventStackMaxDepth) {
memset(event_log_stack_[current_stack_depth_], 0, kLogEntryMaxLength);
}
}
base::LazyInstance<ScriptEventLog> script_event_log = LAZY_INSTANCE_INITIALIZER;
} // namespace dom
} // namespace cobalt